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An analytical investigation into the lateral load response of curved RC shear walls Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-25 Hatef Abdoos, Alireza Khaloo, Mohammad Tabiee
SummaryCurved structural elements can extensively be employed in engineering applications, to which structural designers and architects can resort in order to cope with the existing structural limitations and architectural challenges. In this regard, the current study is an attempt to provide insight into the overall performance of curved reinforced concrete (RC) shear walls (CRCSWs) due to the gaps
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Influence of near‐field ground motions with fling‐step and forward‐directivity characteristics on seismic response of stilted buildings in mountainous area Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-21 Ruifeng Li, Yingmin Li, Weihao Pan, Liping Liu
SummaryNear‐field ground motions with fling‐step and forward‐directivity characteristics contain large‐amplitude pulses in velocity history, causing severe damage to stilted buildings in mountainous areas. In this study, three groups of 20 near‐field ground motions with fling‐step and forward‐directivity characteristics and 10 far‐field ground motions were selected as seismic inputs. Nonlinear response
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Dynamic response of asymmetric suspended structure subjected to random wind excitation Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-17 Chong Tian, Weicang Yao, Yi Pan, Xinguang Ge, Changchun Xu
Suspended structures, regarded as the expression of structural beauty, have attracted the focus of many architects and engineers. With the complexity of dynamic responses of the asymmetric suspended structures subjected to the random alongside wind excitation, an innovative method was proposed through combining the finite element method (FEM), the complex mode method (CMM), the pseudo excitation method
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Uncertainty in the dynamic properties of tall buildings and propagation to the wind‐induced response Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-20 Vincenzo Picozzi, Venere Maietta, Alberto Maria Avossa, Francesco Ricciardelli
SummaryThe response of tall buildings to wind actions is commonly assessed through the quasi‐static approach considering mean, background, and resonant components of the action. The latter accounts for the amplification due to resonance and depends on the dynamic properties of the buildings, that is, modal mass, frequency, and damping ratio. Selecting appropriate values of the modal parameters of tall
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Prediction on wind‐induced responses for tall buildings considering frequency dependency of viscoelastic damped structures Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-15 Daiki Sato, Ting‐Wei Chang
SummaryTime history analysis is sometimes used in an estimation of the wind‐induced response of a tall building. However, time history analysis for the wind‐induced behavior by the ensemble‐averaging wind force costs much computation time. This paper provides a reliable prediction method for the wind‐induced response of the viscoelastic (VE)‐damped system considering its frequency dependency coupling
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Finite element analysis of concrete‐encased columns reinforced with multiple steel sections Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-13 Lianjin Bao, Guoqiang Li, Feng Fan, Hang Zhao, Gang Huang, Jianyun Sun, Feifei Sun
SummaryConcrete‐encased columns reinforced with one built‐up steel core are widely used as mega columns in high‐rise buildings. Due to the enormous size of the steel core, multiple steel segments have to be welded and spliced on‐site, which might inflict detrimental impacts on the integrity and ductility of the columns. To solve this practical issue, one method using multiple steel sections to replace
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Research on the interfacial bonding performance of novel composite L‐shaped concrete‐filled steel tubes Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-13 Ying‐hua Bai, Hao Xin, Bo Xie, Kang Shen, Yan Yan
SummaryThis study aims to investigate the bonding performance of novel composite specially shaped concrete‐filled steel tubes (CFSTs). Seven novel composite L‐shaped CFST specimens were designed utilizing variations in steel tube wall thickness, steel tube length, and concrete strength as the primary parameters. Their failure modes, load–slip relationships, and longitudinal strain distribution patterns
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-12
No abstract is available for this article.
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-12
No abstract is available for this article.
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Bayesian model updating of super high‐rise building for construction simulation Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-06 Ya‐Nan Du, Zhi‐Chuan Qin, Cong‐Cong Guan, De‐Cheng Feng, Gang Wu
SummaryA finite element model was established using SAP2000 software for the C1 tower, a super high‐rise building in the second phase of the Nanjing Financial City project, and the construction process of the tower was simulated. The C1 tower adopts a frame core tube extension arm and ring truss structure system, with 87 floors above ground and five floors underground. The roof structure has an elevation
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Vision‐based robust missing and loosened bolt detection for splice plate joints Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-05 Zhidong Yao, Zhihua Chen, Hongbo Liu, Jiaqi Lu
SummaryVision‐based bolt defect detection methods based on feature changes have been reported. However, the robustness of key feature extraction and bolt detection requires improvement. This paper proposes a robust missing and loose bolt defect detection approach. The key features—reference points for perspective correction and the straight lines of the bolt edges—are extracted from the masks obtained
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Seismic fragility analysis of high‐strength concrete frame structures reinforced with high‐strength steel bars Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-03-02 Juan Liu, Jianwei Zhang, Zuozhou Zhao
SummaryTo investigate the influence of using high‐strength steel bars in columns on the seismic resistance capacity and seismic resilience of frame structures, seismic fragility evaluation of three 8‐story reinforced concrete (RC) frame structures was conducted based on the incremental dynamic analysis (IDA) using 11 ground motion records. The main parameter is the longitudinal reinforcement configuration
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Influence of core width on the optimization analysis of the outrigger‐braced structure Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-29 Xin Chen, Guo‐Kang Er, Vai Pan Iu
SummaryIn this paper, the governing equations of the outrigger‐braced structure are formulated by considering the influence of core‐wall width. The axial forces in the columns are considered as unknowns and the compatibility of the column's axial deformation is considered in formulating the governing equations. Then, the governing equations for the optimum locations of outriggers are formulated by
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Structural flexibility identification from impact test data through a subband estimation method Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-29 Ming‐Sheng Xue, Chun‐Xu Qu, Ting‐Hua Yi, Hong‐Nan Li
SummaryFlexibility is an important parameter reflecting bridge load‐carrying capacity. Dynamic testing is a fast and effective method to obtain the structural modal flexibility of small‐ and medium‐span bridges. The Deterministic‐stochastic subspace identification (DSI) algorithm is a well‐established structure identification method in the time domain. However, the estimation of damping, especially
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Experimental study on fundamental frequency and human‐induced vibration characteristics of light steel foam concrete composite floor Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-28 Qiang Xu, Liping Xu, Linghui Meng, Yuyang Liu, Yinhui Bai
SummaryIn order to study the dynamic characteristics and human‐induced vibration response of light steel foamed concrete composite floor (LCSF), the vibration characteristics of 4.2 m × 5 m LCSF model were tested under the condition of opposite side support, and the natural vibration frequency of LCSF was obtained. The orthogonal anisotropic elastic plate and the simulated beam element were used, respectively
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A new performance‐based seismic design method using endurance time analysis for linked column frame system and a comparison of structural systems and seismic analysis methods Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-28 Vahid Jaberi, Masume Jaberi, Abazar Asghari
SummaryThis paper presents a new performance‐based seismic design method for the design of repairable linked column frame (LCF) and linked column system (LCS). Currently, the biggest problem of these systems is the lack of a simple and practical design method that leads to the design of optimal models with sufficient seismic capacity. The interaction of the primary and secondary systems, changing the
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Investigating the effect of form curvature on diagrid tall buildings considering wind loads Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-28 Aram Alizadegan, Amirreza Ardekani, Mahmood Golabchi
SummaryThe use of curved forms in tall buildings has increased recently due to their structural and esthetic advantages. Diagrid structures are typically used for these buildings because of their ability to express curved forms. There are, however, few studies about the curvature of tall buildings. This paper examines the effect of curvature on the wind force on tall curved buildings with diagrid system
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Seismic performance of a frame‐supported shear wall over‐track building through shaking table test Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-24 Ying Zhou, Qidong Chen, Hao Wu, Hongchang Wen, Xingzhong Nong, Yongsheng Wu, Peng Xiao
SummaryThis research deals with a frame‐supported shear wall for urban over‐track building of vehicle depot in Chisha, Guangzhou, China, which is characterized by its remarkable height of 160.8 m. Technical issues are commonly encountered in these kinds of buildings due to discontinuous vertical structural rigidity, large podium, and structural transition. These challenges significantly impact the
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Modal identification with uncertainty quantification of large‐scale civil structures via a hybrid operation modal analysis framework Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-24 Mengmeng Sun, Qiusheng Li
SummaryIn operational modal analysis (OMA), only structural responses are typically available. In this context, bias and variance (uncertainty) errors may exist in modal estimates (especially damping estimates), resulting in inaccurate determination of the modal properties of large‐scale structures under harsh excitations. To this end, a hybrid OMA framework based on the modal decoupling, the natural
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Computational fluid dynamics and artificial neural network‐based analysis and forecasting of wind effects on obliquely parallel multiple building models using categorical variable encoding Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-23 Prasenjit Sanyal, Sujit Kumar Dalui
SummaryThis research investigates the influence of wind on four closely spaced parallel building models using computational fluid dynamics (CFD). The buildings are positioned either perpendicular to the wind direction or at various oblique angles. The aerodynamic results obtained for these buildings in an interfering condition are compared to those of an isolated tall building using the interference
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Modal identification of non‐classically damped structures using generalized sparse component analysis Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-23 Xiao‐Jun Yao, Ting‐Hua Yi, Chun‐Xu Qu, Hong‐Nan Li
SummaryModal identification method based on blind source separation (BSS) technique has gained extensive attentions for civil structures. Developing the complex modes estimation method is important in practical applications because the assumption of proportional damping is not always satisfied. Sparse component analysis (SCA) performs well in underdetermined BSS problems. However, SCA is confined to
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-12
No abstract is available for this article.
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Seismic behavior of reduced beam section joints considering concrete floor effect Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-02-07 Shengcan Lu, Liang Luo, Xiangxi Han, Anqi Liu
This study investigates the seismic impact of concrete floors on reduced beam section beam-to-column joints through four quasi-static cyclic tests. We examine mechanical properties, failure modes, and processes against specific criteria. Additionally, we analyze hysteretic response, energy dissipation, stiffness, capacity, and stress–strain mechanisms. Moreover, the ABAQUS platform was used to reproduce
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Investigation of reinforcement curtailment in tall lightly reinforced structural concrete walls Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-01-23 Tianhua Deng, Richard S. Henry
Recent studies have investigated the impact of minimum longitudinal reinforcement limits on the ductility of the plastic hinge region of reinforced concrete (RC) walls, resulting in revised minimum reinforcement limits in design standards. The objective of this research was to investigate the influence of the longitudinal reinforcement distribution or termination rules for the additional reinforcement
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A metaheuristic-based method for analysis of tensegrity structures Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-01-22 Gebrail Bekdaş, Ayla Ocak, Sinan Melih Nigdeli, Yusuf Cengiz Toklu
Tensegrity systems are construction system that offers solutions for lighter designs compared with a standard truss system consisting of tension and compression elements. Due to their structure, they are recommended in the design of space structures due to the use of lighter and easy-to-assemble structural elements such as cables, ropes, and similar to provide the desired durability. In this study
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Application of amplified damped outrigger in seismic design of high-rise buildings Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-01-17 Hongjing Xue, Zibin Zhao, Pei Li, Weinong Shu, Yu Guan, Dongdong He, Dong Wei, Jincheng Song
The application of the outrigger technology effectively improves the lateral stiffness of buildings, reduces harmful deformation, enhances the seismic resistance of structures, and contributes to the rapid development of high-rise buildings. To improve the response speed and energy dissipation of a viscous damping outrigger under seismic excitation, a viscous damping outrigger with an amplifier was
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2024-01-15
No abstract is available for this article.
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A review on the performance of concrete filled tubular columns under axial compression: Emphasis on geometrical parameters and various concrete infills and encasings Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-22 Isha Rohilla, Surinder Gupta
This paper summarizes the literature available on the behavior of concrete-filled steel tubular (CFST) columns to evaluate the effect of geometrical properties such as shape of cross-section, diameter-to-thickness ratio, and length-to-diameter ratio of CFST columns under axial loading. Then, the impact of different material composition for core concrete and encasing material is concluded for columns
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Influence of slab structure on the behavioral analysis of hybrid outrigger system Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-22 Neethu Elizabeth John, Kiran Kamath
Outriggers are internal structural systems used to enhance the stiffness and strength of high-rise structures. This research investigates the efficacy of a hybrid outrigger system (HOS) which consists of one conventional and one virtual outrigger at two distinct floor levels in high-rise RCC buildings. A non-dimensional quantity, ϒ, defined as the relative stiffness ratio between the core and the diaphragm
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Shaking table test of the shock absorbing performance of a new cable-damper stopper for coal-fired thermal power plants Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-18 Yuheng Jiang, Liping Duan, Feng Yue, Jincheng Zhao
Coal-fired thermal power plants play important roles in daily life but are vulnerable to earthquakes. This paper presents a novel cable-damper stopper with linear damping and carries out a series of shaking table tests to evaluate its performance on a 1/25-scaled coal-fired thermal power plant. The stopper consists of a cable, a linear viscous damper and a steel block attached to the boiler. The seismic
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-17
No abstract is available for this article.
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Study on the influence of non-load effects during the whole process of construction of setback super-tall structures Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-19 Jun Liu, Bohan Song, Guilong Wu, Xiaoqun Luo, Qilin Zhang, Guijing Yu
The mechanical characteristics of the setback super-tall structure are complex, and the design is difficult. In the actual analysis and design process, the relevant influencing factors should be fully considered. In this paper, the fine construction simulation analysis of the super-tall structure is carried out. Based on the shrinkage test of concrete members, the CEB-FIP 90 shrinkage model is modified
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Seismic performance evaluation of reinforced concrete hilly buildings under sequence of earthquakes Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-19 Yati Aggarwal, Mahipal Kulariya, Sandip Kumar Saha
The present study investigates the effect of earthquake sequences on the response of reinforced concrete hilly buildings having typical configurations, that is, stepback and split-foundation, with three different story ratios. A set of 30 as-recorded mainshock-aftershock sequence of earthquake ground motions is considered for this study. Mainshock acceleration time histories are scaled at two distinct
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Improved analytic method for outrigger structures considering floor stiffness Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-15 Lin Chen, Ping Tan, Xiaofeng Zhao, Yafei Xu, Fulin Zhou
Current analytical models for outrigger structures in super high-rise buildings tend to oversimplify by not considering the stiffness of individual floors. This paper introduces a more refined calculation model, based on the substructure method, which takes floor stiffness into account. To verify our proposed approach, we derived a mathematical algorithm and developed a finite element model using ANSYS
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Damage tracking and hysteresis-based evaluation of seismic-excited RC shear wall using monitoring data Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-15 Jiazeng Shan, Luji Wang, Cheng Ning Loong, Hanqing Zhang, Peican Huang
Reinforced concrete (RC) shear walls play an important role as the seismic resisting system in tall buildings. Yet, assessing the seismic damage of real-world shear walls remains a challenging task. In this study, a damage index that relies on the vibration data measured by the sensors embedded in the structure is proposed to evaluate the damage condition of shear walls. The damage index is formed
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The inter-history iteration method for seismic response analysis of seismically isolated structures and its secondary development based on ABAQUS Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-18 Chuanguo Jia, Yutao Li, Hongchen Su, Min Gan, Longchang Chen, Weinan Guo
In seismic response analysis of seismically isolated structures (SISs), the nonlinearity is concentrated in the isolation layer while the upper structure behaves linearly, making SISs locally nonlinear systems. This paper proposed a novel seismic analysis method based on equivalent linearization (EL) and iterative solution for SISs. In this method, the equilibrium equations of an SIS are expressed
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Electromechanical analysis of a bending-torsion coupling piezoelectric energy harvester Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-13 Taotao Zhang, Linda Wang, Wende Liu
Piezoelectric energy harvester devices have been widely used for collection of the vibration energy. Especially, the cantilever structure has been extensively studied to optimizing its energy harvesting performance. In this paper, a new type of bending torsion coupled piezoelectric energy harvester is proposed with the combination of the elastic connection and the optimized design of the eccentric
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Out-of-plane behavior of dry-stack brick masonry walls Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-13 Barış Erdil, Fırat Kıpçak, Mücip Tapan
As a result of the combination of the complex behavior of masonry buildings with insufficient material quality and lack in engineering calculations, a large number of damages has been observed in the earthquakes that occurred in recent years. Therefore, a realistic understanding of the behavior of masonry walls and buildings is necessary to construct seismic-resistant structures. Since masonry walls
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Effect of unreinforced masonry infills on seismic performance of reinforced concrete frame-shear wall buildings Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-13 Mayank Sharma, Yogendra Singh, Henry V. Burton
Reinforced concrete (RC) shear wall buildings with unreinforced masonry (URM) infilled moment frames are common in India and neighboring countries. This study assesses the influence of the URM infills on their seismic performance. Fully infilled, open first-storied, and bare frame versions of a 25-story shear wall building are considered. Multiple stripe analysis is conducted at five return periods
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Experimental and numerical study on eccentric compression performance of partially encased composite columns with corrugated web Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-13 Wei Wang, Hengli Cai, Congyou Bai, Haiyang Bao, Boyuan Gao, Zhiwei Yuan, Jianhui Niu
Partially encased composite (PEC) members are becoming increasingly popular because of their high strength and suitability for prefabrication and assembly. Corrugated steel plate has higher out-of-plane stiffness than flat steel plate. When it is combined with concrete, the bonding between corrugated steel plate and concrete is more obvious than that between flat steel plate and concrete. For this
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Multi-indicator evaluation method of important members of truss string structures Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-09 Wenhao Liu, Bin Zeng, Zhen Zhou, Yifan Zheng
During the past decade, the progressive collapse of structures has received growing attention, and the study of member importance is a key step for investigating the progressive collapse resistance. However, traditional methods for evaluating the member importance usually employ a single indicator, and when multiple indicators are involved, different indicators may generate different member rankings
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Static behavior of ribbed folded plate roof under vertical uniform load—Experimental study and meshfree method analysis Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-09 Renzhong Sun, Kejian Ma, Huagang Zhang, Fang Yu, Qiang Fang
Folded plate roofs are widely used in building roofs due to their light weight and high stiffness. However, traditional folded plate roofs are often limited in application due to insufficient stiffness under the current trend of pursuing larger-span roofs. Ribbed folded plate roofs can effectively solve this problem because ribs not only increase the stiffness of the roof and reduce stress concentration
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Floating column mechanism experimental investigation in historic timber buildings subjected to decay for seismic resilience Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-09 Lingkun Chen, Chencheng Zhai, Qizhi Chen, Xiaolun Hu, Teng Wu, Liming Zhu, Xiaoming Huang
Traditional wooden structures are characterized by the presence of a column base that seems to be floated above the foundation stone. This study used pseudo-static experiments to assess the seismic performance of flat pendulum floating resting columns, focusing on the decay and repair of the wood frame (WF). First, an artificial method was used to simulate fungal decay damage of column-foot joints
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Optimization-based design of sliding sector control for active seismic protection of structures Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-12-06 Saman Saadatfar, Fereshteh Emami, Mohsen Khatibinia, Hussein Eliasi
The active tuned mass damper (ATMD) is a reliable energy-dissipating device to effectively protect structures from serious damages due to earthquake excitations. This study proposes the optimal design of sliding sector control (SSC) for the seismic protection of an 11-story shear building structure equipped with ATMD. First, the SSC controller is optimally designed for the seismic control of the structure
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Special all-round fillet weld for anchor rods of base-plate T-stub connections Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-11-27 Mahmoud Ali, Seyed Rasoul Mirghaderi, Amir Reza Ghiami Azad, Iman Karami
The eccentricity between connected steel parts and the anchor rods in base-plate T-stub connections makes base plates the weaker components in tension and compression. Additionally, the oversized holes in base plates lead to irregular placement of anchor rods, resulting in an unsymmetrical shear behavior. Thus, this paper aims to develop a special all-round fillet weld to connect the anchor rods beneath
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Multi-level enhancement of structural behavior of bracing systems with coupling beams at floor level Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-11-20 Mohammad Younes Rahnama, Seyed Rasoul Mirghaderi, Mohammad Reza Bahaari
Despite good rigidity, braced frames have weak nonlinear behavior and inadequate distribution of ductility in stories, which cause significant structural damage. In this research, a seismic resistant system called coupled concentrically braced frame (CCBF) is developed to enhance the performance of braced frames by coupling them with a beam. In this case, the coupling beams are the primary source for
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Universal boosting ML approaches to predict the ultimate load capacity of CFST columns Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-11-15 Thuy-Anh Nguyen, Khuong Le Nguyen, Hai-Bang Ly
Establishing a universal machine learning (ML) model in structural engineering is vital for understanding how various parameters, like geometry and material properties, influence a structure's behavior. This study aims to create a comprehensive ML model that considers the impact of different cross-sectional parameters on the ultimate load capacity (ULC) of concrete-filled steel tube (CFST) columns
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Flexural design curves of steel plate I-girders at elevated temperatures: I-girders with yield or local buckling failure mode Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-11-14 Akbar Rasoulnia, Vahid Broujerdian, Ali Ghamari, Abbas Ghadami
The present study was undertaken to characterize the structural behavior and ultimate flexural strength of steel plate I-girders under pure flexural moment at elevated temperatures. A novel design procedure along with flexural design curves was proposed to predict the flexural behavior of the I-girders and estimate corresponding ultimate flexural strengths. The main strategy of the procedure is to
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-11-07
No abstract is available for this article.
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Study on seismic performance test and calculation method of recycled steel fiber reinforced concrete shear wall Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-14 Yan Li, Dong-yi Li, Shan-mu Zhao, Xiao-peng Wang
Recycled steel wire is taken from used tires, and by procedures like mechanical cutting and friction treatment, it can be converted into industrial recycled steel fiber that meets precise criteria. Such green fiber may effectively limit the growth of fractures in concrete and diffuse the fracture energy of concrete when incorporated into concrete. An investigation of the effects of materials and horizontal
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Finite element simulation and strength evaluation on innovative and traditional composite shear wall systems Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-14 Yikang Li, Chenxi Li, Xiaomin Liu, Qian Zhang, Liu Yu
Composite shear wall (CSW) system, which consists of a steel boundary frame and a steel panel with a reinforced concrete (RC) panel attached to one side of it using bolts, is commonly used in mid- to high-rise buildings. In a CSW system, RC panel functions as out-of-plane restraint to prevent overall buckling of steel panel, thereby enhancing system behavior. However, for a traditional CSW system,
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CFD simulation of wind loads of kilometer-scale super tall buildings with typical configurations in veering wind field Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-12 Chengdong Feng, Ming Gu
The atmospheric boundary layer (ABL), whose total height is about 1–1.5 km, is composed of the atmospheric surface layer (ASL) and the Ekman layer, which typically account for the lower 10% and the upper 90% of the ABL, respectively. The wind veering angle in the Ekman layer can be between 10° and 30°, which may be an important influence factor for the wind-resistant design of kilometer-scale super-tall
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Improving the behavior of concentrically braced frame braces using a flexural damper: Experimental and numerical study Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-11 Seong-Hoon Jeong, Ali Ghamari, Akram Jawdhari
Although the concentrically braced frames (CBFs) systems have high lateral elastic stiffness and strength, they reflect a low seismic energy absorption capacity mainly due to their diagonal buckling under compressive loading. To overcome this problem, researchers have proposed metallic shear damper as the most popular due to its satisfactory performance and affordable cost. In this paper, an innovative
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Effect of load details of the successive explosions on the blast behaviors of reinforced concrete beams Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-11 Yingliang Xu, Yan Liu, Fenglei Huang, Junbo Yan, Fan Bai, Xu Li, Hongfu Wang
The objective of this study was to study the effect of load details of successive explosions on the blast behaviors of reinforced concrete (RC) beams. First, the effect of the successive loading of two identical explosions was discussed by considering the influences of standoff distance, charge mass on the failure states, and structural responses (displacement and support reaction force). And keeping
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Study of the flexural performance and a novel calculation formula for the degree of composite action for precast concrete sandwich panels Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-10 Tiancai Zheng, Qi Ge, Feng Xiong, Guo Li, Yu Xue, Xiang Deng
This study investigates the flexural performance and degree of composite action (DCA) of precast concrete sandwich panels (PCSPs) with four types of connectors. Five full-scale specimens were designed, and 4-point bending tests were performed. The specimens included four PCSPs utilizing glass fiber reinforced polymer (GFRP) truss connectors, steel truss connectors, concrete rib connectors, and GFRP
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Structural damping estimation from live monitoring of a tall modular building Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-10 John Hickey, Hollie Moore, Brian Broderick, Breiffni Fitzgerald
The damping ratio is a key indicator of an individual structure's susceptibility to dynamic loads, including the level of discomfort experienced by the occupants of a tall building subjected to wind loading. While computational models, laboratory studies and empirical data can provide estimates of structural damping, the most reliable way to evaluate true damping ratio values is through modal identification
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Machine vision-based automated earthquake-induced drift ratio quantification for reinforced concrete columns Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-07 Mohammadjavad Hamidia, Sara Jamshidian, Mobinasadat Afzali, Mohammad Safi
This paper presents a novel method for estimating the seismic peak interstory drift ratio (IDR) in reinforced concrete (RC) columns after an earthquake using surface crack image analysis. The quantitative representation of the complexity and irregularity of crack images in damaged RC columns is obtained through the consideration of the generalized fractal dimensions. The authors have compiled a comprehensive
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Mass ratio factor in control performance of optimum tuned liquid dampers Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-05 Ayla Ocak, Gebrail Bekdaş, Sinan Melih Nigdeli
Tuned liquid dampers provide structure control with the help of the liquid mass in tanks that are attached to the structure. The mass ratio affects the optimum tuned liquid damper (TLD) parameters. This study examines the effect of mass ratio on the control performance of TLD devices in providing seismic control of structures with different damping ratios. For this purpose, TLD devices with different
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-10-03
No abstract is available for this article.
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Investigation of the vertically-layered structure and surface roughness parameters of the urban boundary layer Struct. Des. Tall Spec. Build. (IF 2.4) Pub Date : 2023-09-18 Bo Li, Zhen Han, Xinxin Zhang, Qingshan Yang, Chen Li, Lin Sun
Atmospheric flow is the main factor affecting the wind load of urban buildings. The measured data observed continuously from the 325-m-tall Beijing Meteorological Tower (BMT) during 2013–2017 is employed to investigate the vertically-layered structure and surface roughness parameters of the urban boundary layer. Based on the local similarity theory and analysis results of the atmospheric stability