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Life‐cycle cost optimization of wind‐excited tall buildings using surrogate models Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-15 Laura Micheli; Alice Alipour; Simon Laflamme
As buildings become taller and slender, they become more sensitive to wind‐induced vibrations. Commonly used solutions to mitigate wind‐induced vibrations are structural system modifications and integration of supplemental damping devices. This paper presents a procedure to optimize the structural system and the damping device configuration with the goal of reducing wind‐induced vibrations. The performance
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Analytic expression of additional damping ratio based on Bouc–Wen model and performance evaluation Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-15 Shan Wu; Haoxiang He; Baoshun Wang
Accurate calculation of the additional damping ratio provided by the damper to the structure is a necessary parameter for evaluating and selecting the optimal damping design scheme. At present, bilinear model is usually adopted to calculate the additional damping ratio of buckling‐restrained brace (BRB) and metal damper, but this method is not accurate. The hysteretic characteristics of the dampers
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Effects of Constant Parameters on Optimum Design of Axially Symmetric Cylindrical Reinforced Concrete Walls Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-11 Aylin Ece Kayabekir
This paper presents a metaheuristic‐based optimization methodology for optimum design of axially symmetric cylindrical reinforced concrete walls that are a type of thin shells. In the methodology, recently proposed metaheuristic algorithm called Jaya algorithm is conducted with well‐known method called flexibility theory. The thickness of the wall is defined as a design variable of the optimization
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Designing gusset plates of chevron‐SCBFs through a new method Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-11 Samira Ebrahimi; Seyed Rasoul Mirghaderi
A corner gusset plate possesses interfaces to both beam and column. To calculate the force demands of corner gusset plate interfaces, several methods have been proposed by researchers. No method has been proposed to determine dimensions and force demands for the gusset plates of chevron‐Special Concentrically Braced Frames (chevron‐SCBFs), so far. Generally, researchers utilize Uniform Force Method
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-10
No abstract is available for this article.
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Comparison of seismic behavior of the eccentric and conventional diagrid systems Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-20 Iman Dabbaghchian; Seyed Rasoul Mirghaderi; Sina Sayadi
Diagrid system is known for its efficient structural behavior besides its outstanding aesthetic characteristics and architectural flexibility. However, a brief existing study on the nonlinear performance of the diagrid system has reported an inefficient nonlinear behavior. Diagrid with fused‐shear link is a newly introduced system that can solve this flaw in the conventional diagrids and keep the advantages
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Seismic performance enhancement of buildings using multi‐limb brace damper systems Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-08 Huan Feng; Fangyuan Zhou; Hanbin Ge; Hongping Zhu; Lemu Zhou
A novel brace system with a displacement amplification mechanism for damper energy dissipation is proposed in this paper. Theoretical mechanism of the multi‐limb brace damper system (MLBDS) is established. Finite element models are established to confirm the effectiveness of the proposed system. The seismic performance of the MLBDS is compared with those of traditional brace damper systems. Comparison
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Pre‐reinforcing the mortise‐tenon joints with near‐surface‐mounted glued‐in rods Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-01 Guofang Wu; Yong Zhong; Rongjun Zhao; Haiqing Ren
This paper reported the effects of the pre‐reinforcement to the mortise‐tenon joints with glued‐in rods that were mounted near the surface of the tenon. Fifteen full‐scale specimens that were manufactured with engineered wood products using computer numerically controlled technology were tested under monotonic loading. The initial stiffnesses and moment carrying capacities of joints with different
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An analytical method to visualize higher mode effects on yielding cantilever walls Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-02 İlker Kazaz
A nonlinear flexural plastic hinge developing at the base of the cantilever wall changes its dynamic properties. In such systems, contribution of higher modes to the total shear force response after yielding may be underestimated when they are assumed to prone same or some nonlinearity as the first mode. In order to calculate the modal properties of a cantilever walls developing a plastic hinge at
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-08
No abstract is available for this article.
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Simplified design procedure for nonconventional multiple tuned mass damper and experimental validation Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-05 Bowei Li; Kaoshan Dai; Jiayao Meng; Kai Liu; Jianze Wang; Solomon Tesfamariam
A simplified design procedure, for nonconventional multiple tuned mass damper (TMD) (NC‐MTMD) system, was proposed. This system entails targeted tuning of each TMD by considering several mechanical factors (e.g., seismic excitation, TMD mass, and location). Subsequently, all TMDs are tuned to their corresponding modes by a group of semi‐empirical design formulae based on previous theoretical studies
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Seismic performance of precast concrete wall with vertical energy‐dissipating connection Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-17 Longji Dang; Shuting Liang; Xiaojun Zhu; Ming Zhang; Yamin Song
A precast concrete wall with vertical energy‐dissipating connection (PCWVEC) was proposed in which X‐shaped metal dampers (XMD) with better energy‐dissipating capacity were installed along the vertical connections between precast wall panels, and the pore‐forming grouted lap‐sliced connector was adopted for the longitudinal steel bars between wall panels and floors. Lateral cyclic loading tests were
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Experimental cyclic performance of steel shear walls with single rectangular opening Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-18 Ghavam Kordzangeneh; Hossein Showkati; Abbas Rezaeian; Mohammad Yekrangnia
This paper presents the results of evaluating the effects of the location and size of rectangular opening on the cyclic performance of steel plate shear wall (SPSW) systems through an experimental study. A total of seven 1:6 scale SPSW specimens were tested under quasi‐static cyclic loads. Apart from a solid (without opening) specimen, six specimens with different opening locations and sizes were considered
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Mass irregularity effect on seismic response of moment‐resisting steel frame by nonlinear time history analysis using force analogy method Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-17 Sukumar Singh Ningthoukhongjam; Konjengbam Darunkumar Singh
Nonlinear time history analysis (NTHA) is widely considered to be the most accurate and robust method of seismic analysis and, when performed with force analogy method (FAM), can result in significant reduction in computational time, as compared to the conventional displacement‐based finite element (FE) solution technique. Taking this advantage of efficient FAM, this paper investigates the effects
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A study of differential foundation settlement of piled raft and its effect on the long‐term vertical shortening of super‐tall buildings Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-08 Lilin Wang; Xin Zhao; Shehong Liu
In this study, the long‐term differential foundation settlement and vertical shortening of super‐tall buildings are investigated considering the coupling effect. At first, a time‐dependent settlement model is proposed to predict the foundation settlement based on the construction sequence method, in which both soil compression and pile shortening are considered. The pile shortening including the elasticity
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Performance‐based seismic design of the outrigger of a high‐rise overrun building with asymmetric vertical setback in a strong earthquake area Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-06 Xin Huang; Yang Lv; Yu Chen; Lin Qi; Xu‐dong Zhu; Xue‐ying Hu
Outriggers, which should be systematically analyzed and designed based on seismic performance methods in the different seismic level actions, can improve the lateral stiffness of irregular high‐rise structures. In this paper, a concrete‐filled steel frame‐core tube‐outrigger structural system is adopted for a practical overrun high‐rise building with an obviously asymmetrical vertical setback in a
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Application of artificial neural network for predicting dynamic along‐wind response of tall buildings Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-05 Trupti J. Nikose; Ranjan S. Sonparote
This paper presents the simplified approach based on the artificial neural network (ANN) for predictions of the dynamic along‐wind response in the context of the Indian Wind Standard IS 875 (Part 3): 2015. This standard provides direct guidelines for the specific aspect ratio of buildings (h/b ratio as 3, 5, 10, and 20) for assessing along‐wind loads. Evaluation of dynamic wind load and its responses
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A posttensioned rocking infill wall–frame system for multistory precast concrete buildings Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2021-01-04 Afshin Naserpour; Mojtaba Fathi
By proposing a multiple rocking infill wall–frame (MRWF) system, this paper investigates the effects of wall–frame interaction on the seismic response of self‐centering walls. In the MRWF system, infill walls are connected to the adjacent beams through posttensioned tendons, which provide the self‐centering ability, and the energy dissipation capacity of the system is enhanced using O‐shaped steel
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A simple model for nonlinear analysis of steel plate shear wall structural systems Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-29 Akbar Vasseghi
This paper presents a simple and efficient analytical model for nonlinear response analysis of steel plate shear wall (SPSW) structural systems. The proposed model combines individual contributions of the boundary frame and the infill plate. It includes a nonlinear spring element that simulates the global response of the infill plate. The load‐deformation characteristic of this element is defined by
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Experimental and numerical investigation of vertical through‐plate for concrete‐filled steel tube column to H‐beam connections Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-17 HakJong Chang; JunHee Kim; Insub Choi; Bora Gencturk
The purpose of this study is to evaluate the structural behavior of concrete‐filled steel tube (CFT) column to H‐beam connections with vertical through‐plate through full‐scale experiments and examine retrofit methods using the finite element method to improve the connection performance. For this purpose, monotonic loading tests were performed on three full‐scale specimens with varying thickness of
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-16
No abstract is available for this article.
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Higher‐mode buckling and friction in long and large‐scale buckling‐restrained braces Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-28 Ben Sitler; Toru Takeuchi
Buckling‐restrained braces (BRBs) are widely used as energy‐dissipation members in seismic areas, and BRBs with 10–20 m workpoint lengths have been applied in practice, particularly in tall buildings and spatial structures. This paper investigates the adverse effects of the core yield length on the compressive overstrength factor, local compressive and tensile strains, and fatigue demands. Sets of
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Study of a new type of steel slit shear wall with initially twisted links Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-16 Liusheng He; Yiming Ma; Haifeng Bu; Huanjun Jiang
To address the issue of strength and stiffness degradation of steel slit shear walls (SSSWs) after the occurrence of out‐of‐plane buckling at large lateral deformation, a new type of SSSW made by assembling initially twisted steel plate links is proposed in the present work. Three types of SSSW specimens, with vertical slits, narrow rhomboid openings, and initially twisted steel plate links, respectively
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Experimental study on shear behavior of two‐way hollow core precast panel shear wall with vertical connection Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-15 Mingjin Chu; Chen Xiong; Jiliang Liu; Zhijuan Sun
The two‐way hollow core precast panel (TWHCPP) exhibits good seismic performance. In this study, the shear behavior of the TWHCPP shear wall with vertical connections was investigated. Specifically, five shear wall specimens, which comprised one cast‐in‐place shear wall, one TWHCPP shear wall without vertical connections, and three TWHCPP shear walls with vertical connections, were investigated experimentally
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Structural investigation of the collapse of the 16‐story Plasco building due to fire Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-27 Ali Akbar Aghakouchak; Sadegh Garivani; Ali Shahmari; Mahdi Heshmati
On January 19, 2017, the 16‐story Plasco tower located in Tehran, the capital city of Iran, collapsed in several stages, due to a fire lasting 3.5 h. This paper presents the results of numerical investigations on how the structure behaved during that incident. In this regard, initially, a part of floor system including main truss girders, secondary truss beams, tie beams, and reinforced concrete slab
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A variable gain state‐feedback technique for an AMD control system with stroke limit and its application to a high‐rise building Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-27 Chao‐Jun Chen; Zuo‐Hua Li; Jun Teng; Qing‐Gui Wu; Bei‐Chun Lin
As the auxiliary mass of an active mass damper/driver (AMD) control system in a high‐rise building has excessive strokes and its relative velocities are in the same direction with the strokes, the auxiliary mass probably collides with its anti‐collision device. As a result, the structural responses increase and even the structural safety is endangered. In this paper, a variable gain state‐feedback
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An integrated topology optimization framework for three‐dimensional domains using shell elements Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-02 Giulia Angelucci; Seymour M.J. Spence; Fabrizio Mollaioli
In the last decades, topology optimization has been widely investigated as a preliminary design tool to minimize the use of material in a structure. Despite this, applications to realistic three‐dimensional engineering problems are still limited. This study provides the instruments for the definition of a versatile and integrated framework in order to apply topology optimization to large‐scale 3‐D
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Capacity design for composite partially restrained steel frame‐reinforced concrete infill walls with concealed vertical slits Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-13 Guohua Sun; Yuehua Hu; Qiang Gu; Yixin Wang; Youzhen Fang
This paper presents an innovative capacity‐based design procedure that aims to achieve the ideal seismic performance for the composite partially restrained (PR) steel frame‐reinforced concrete (RC) infill wall with concealed vertical slits (PSRCW‐CVS). The proposed method adopts the direct capacity design principles and preselected preferred plastic mechanism such that the RC infill wall undergoes
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Experiment of torsional response induced by the Q–delta resonance Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-11 Fumiya Mizutori; Masayuki Kohiyama
Because of geometric nonlinearities, vibrations in two horizontal directions can generate a torsional moment that induces a torsional response, even in a structure with no eccentricity; we term this phenomenon Q–Δ effect. In this study, the torsional response caused by the Q–Δ resonance was investigated by performing a shaking table test that involves a single‐layer symmetric specimen. The specimen
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Optimization of alongwind and crosswind force coefficients on a tall building with horizontal limbs using surrogate modeling Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-12-09 Rajdip Paul; Sujit Kumar Dalui
For tall buildings, values of wind force coefficients can be obtained from wind tunnel tests or Computational Fluid Dynamics (CFD). This paper is concentrated to analyze a set of CFD data and propose parametric equations for determining force coefficients in the alongwind and crosswind direction (Cfx and Cfy) of tall buildings with horizontal limbs. Initially, a parametric study is performed with CFD
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-13
No abstract is available for this article.
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Life‐cycle cost optimization of semiactive magnetorheological dampers for the seismic control of steel frames Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-05 Soheil Salajegheh; Payam Asadi
This paper aims to achieve minimum life‐cycle cost, by applying a seismic design optimization of the steel frames with semiactive magnetorheological (MR) dampers. The total life‐cycle cost, which includes the initial constructional and expected damage costs, is an adequate goal to satisfy both employer and users. For optimal performance of the dampers, two fuzzy control systems are suggested, each
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Data‐driven identification and modeling of earthquake‐excited building structures regarding soil‐structure interaction Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-09-27 Nan Gong; Peizhen Li; Jiazeng Shan; Yuting Ouyang
Data‐driven identification and modeling of the integrated soil‐structure interaction (SSI) structure system are significantly important for real‐world structures subjected to earthquakes in various engineering disciplines. The representative mechanical modeling for the overall system with SSI effect is firstly presented, and the differential evolution algorithm is introduced for model‐based iterative
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Lateral stiffness and preliminary design methodology of twisted diagrid tube structures Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-05 Sirui Song; Chonghou Zhang
Twisted forms have been widely employed in high‐rise buildings in recent years. The diagrid structural system is particularly suitable for twisted buildings because of its large lateral stiffness and unique architectural esthetics, but little research on twisted diagrid tube structures is currently available. This paper studies the influence of diagonal angle, twist rate, aspect ratio, corner column
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Seismic performance of high‐rise special truss moment frames with multiple Vierendeel ductile segments and high panel aspect ratios Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-12 Rajesh Kumar; Dipti Ranjan Sahoo
Special truss moment frames (STMFs) are often adopted as the lateral force‐resisting systems in structures, in which the inelastic activity is mostly accommodated in the special segments of truss girders. Current design standards permit the use of STMFs in buildings if the maximum height is less than 48.8 m and the aspect ratio of single Vierendeel panel is limited to 1.5. The present study is focused
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Seismic analysis of a reinforced concrete building isolated by high damping rubber bearings using deformation history integral type model Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-05 Xiaorong Hu; Zhiguang Zhou
The base‐isolation system is a very effective technology for earthquake resistance. Nevertheless, it is adverse to the horizontal displacement control of isolation layer and less efficient in reducing the seismic response of the superstructure on a soft soil. The high damping rubber bearings can provide large hysteretic damping and show hardening effect at high shear strains. To explore the applicability
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-11-09
No abstract is available for this article.
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Dynamic homogenization approach for in‐plane and out‐of‐plane linear vibration analysis of masonry wall structures Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-09-14 Sarra Atailia; Sid Ahmed Meftah; Fazia Fouchal; Salah‐eddine Laib
In the present paper, a constitutive viscoelastic model for periodic masonry structures is proposed. Using a dynamic homogenization approach of the continuous and discrete‐based model leads to the determination of the anisotropic material properties by assigning the fictitious stress and strains of the homogeneous cell masonry unit. These properties are defined as complex moduli, which consist of real
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Decoupling the strength and drift criteria in steel moment‐resisting frames Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-09-14 Sanaz Ahlehagh; Seyed Rasoul Mirghaderi
Superior ductility of moment‐resisting frames allows for high response modification factors, therefore design for smaller earthquake loads. In contrast, to limit the lateral drift, the cross‐sectional dimensions of the beams and columns are increased, which deactivates the benefits of the achieved high response modification factor. The linked beam frame system is proposed in this paper to decouple
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Aseismic study of the frame structure with hanging prefabricated infill plate Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-09-29 Wenxue Zhang; Yuhao Tian; Ying Chen; Kai Fei
The previous seismic disaster indicates that the traditional masonry infill wall was easy damaged during earthquake. The traditional masonry infill wall not only increases the load of the main structure but also injures people during collapsing. So a new aseismic structure system with hanging prefabricated infill plate was proposed. The dynamical characteristic of frame structure with hanging prefabricated
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Design and structural analysis of a 70‐m metal space‐frame radome Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-09-07 Yan Liu
The electrical performance of an antenna is usually affected by the stiffness, intensity, and stability of the radome structure. Thus, radome structural analysis is of great concern to designers. Taking a 70‐m radome structure to be built in the future with a 50‐m aperture antenna structure as the study platform, its mechanical behavior and electrical properties are analyzed and discussed. First, a
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-10-13
No abstract is available for this article.
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Vibration analysis of third generation nuclear power plant considering soil‐structure‐interaction effect under the impact of large commercial aircraft Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-15 Jianbo Li; Runyu Mei; Yougang Wang; Gao Lin; Rong Pan
Despite the rapid development of nuclear power, the risk of unforeseen beyond‐design‐basis events has become a major concern for nuclear power plant (NPP) operators such as malicious aircraft impacts (AIs). This paper aims to perform vibration analysis on a Generation III NPP subjected to a large commercial aircraft crash, considering soil‐structure‐interaction (SSI) effect. Based on the verified finite
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Seismic performance assessment of steel frames with shape‐memory alloy wire‐based dampers Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-06 Afsaneh Falahian; Payam Asadi; Hossein Tajmir Riahi; Mahsa Haghy
Steel braces reduce the interstory drifts of steel structures under earthquake excitations; however, severe earthquakes could still cause some notable residual drifts in the structures. The reduction of these residual drifts decreases post‐earthquake retrofitting costs. This study investigates the seismic performance of steel frames equipped with a proposed self‐centering damper, using shape‐memory
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Base isolation of buildings for subway‐induced environmental vibration: Field experiments and a semi‐analytical prediction model Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-09 Tao Sheng; Wei‐xing Shi; Jia‐zeng Shan; Fang‐yue Hong; Xue‐cheng Bian; Gan‐bin Liu; Yue Chen
This paper presents a new three‐directional isolator and a new prediction model for base isolation method of buildings to improve the comfort of occupants under subway‐induced environmental vibration. The mechanical properties of the isolator were tested in a laboratory. The results indicated that the stiffness values can satisfy the isolation requirements for environmental vibrations by increasing
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Integrated optimal wind‐resistant design of super‐tall structures with toggle‐brace damper systems Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-08 Xin Zhao; Junchen Guo; Haojia Ma; Kun Ding
With the increasing heights of super‐tall buildings, the natural frequency of these structures approaches the predominant frequency of winds, causing the structures to be more sensitive to wind load. For the safety and economy of these structures, the formulation of a reasonable wind‐resistant design is crucial. In this paper, an optimal design of toggle‐brace damper systems for super‐tall buildings
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Extension of direct displacement‐based design for quantifying higher mode effects on controlled rocking steel cores Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-12 Navid Rahgozar; Nima Rahgozar
Direct displacement‐based design (DDBD) procedure utilizes an equivalent single‐degree‐of‐freedom model to predict seismic demands while neglecting the higher mode effects. Controlled rocking steel cores (CRSCs) vibrate in the first mode of vibration; however, higher modes greatly influence the member forces. Previous studies, in which DDBD has been utilized, have not quantified the contribution of
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-09-14
No abstract is available for this article.
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-09-10
No abstract is available for this article.
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Seismic performances of a structure equipped with a large mass ratio multiple tuned mass damper Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-25 Ying‐jie Kang; Ling‐yun Peng; Peng Pan; Hai‐shen Wang; Gen‐qi Xiao
This paper focuses on improvement of structural seismic performance under earthquakes of different intensities using a large mass ratio multiple tuned mass damper (LMTMD). A thermal power plant was taken as the example, and the plant was modeled using the finite element software ABAQUS. Coal buckets, which comprised 29.2% of the total mass of the structure, were used as the mass of the LMTMD. Thus
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Experimental study on a novel replaceable yielding‐based energy dissipater for rocking and seesaw buildings Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-16 Soroush Kherad, Mahmood Hosseini, Mehrtash Motamedi
The use of energy dissipaters for creation of earthquake‐resilient buildings has been paid more and more attention in recent years, and some newly developed structural fuses or dampers have been proposed to be employed in rocking and seesaw buildings. In this study, a new type of yielding‐based dampers, called curved‐yielding‐plates energy dissipater (CYPED), is introduced. CYPEDs are installed at
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Lateral force distribution in the inelastic state for seismic design of high‐strength steel framed‐tube structures with shear links Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-12 Hao Zhang; Ming Lian; Mingzhou Su; Qianqian Cheng
High‐strength steel framed‐tube structures with shear links (HSSFT‐SLs) exhibit better performance under seismic loading than conventional steel framed‐tube structures. In this study, the optimum lateral force distribution considering the higher mode effects in an inelastic state for the seismic design of HSSFT‐SLs was investigated to overcome the shortcomings of existing lateral force distribution
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-09
No abstract is available for this article.
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Study on adaptive‐passive eddy current pendulum tuned mass damper for wind‐induced vibration control Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-08-04 Liangkun Wang, Satish Nagarajaiah, Weixing Shi, Ying Zhou
Tuned mass dampers (TMDs) are used to control wind‐excited responses of high‐rise building as traditional vibration control devices. A TMD will have an excellent control effect when it is well tuned. However, a traditional passive TMD is sensitive to the frequency deviation; the mistuning in frequency and damping ratio both will decrease its control effect. In the previous research, an adaptive‐passive
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Cover Image Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-07-26 Zeshan Alam, Chunwei Zhang, Bijan Samali
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Issue Information Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-07-26
No abstract is available for this article.
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An innovative infill wall utilizing light expanded clay aggregate: An experimental and numerical study Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-07-22 Ali Ghamari, Alireza Khaloo
Past earthquakes had shown vulnerability of infill walls especially under out of plane (OOP) loading. Although some new infill walls show a good OOP performance, generally, they do not have the right economic justification or have complexity in construction. Therefore, in this paper, an innovative economical infill wall is presented that is not complicated in construction. The proposed wall constructed
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Dual‐steel frame consisting of moment‐resisting frame and shape memory alloy braces subjected to near‐field earthquakes Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-07-21 Hamid Beiraghi, Hao Zhou
In this paper, concentric braced frames are combined with moment‐resisting frame (MRF) as a dual system subjected to near‐field (NF) pulse‐like and far‐field ground motions. The braced frame in this system configuration consists of steel buckling‐restrained braces (BRB model), braces with shape memory alloy (SMA model), or combination of BRB and SMA braces (COMBINED model). Some prototype structures
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Structural design of high‐rise buildings using steel‐framed modules: A case study in Hong Kong Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-07-17 Sidi Shan, Wei Pan
Steel‐framed modular buildings afford certain advantages, such as rapid and high‐quality construction. However, although steel‐framed modules have been adopted in several countries, most of them are limited to low‐to‐medium‐rise structures; modular high‐rise buildings are rare. This study proposes a feasible structural design solution for high‐rise buildings using a steel‐framed modular system. A 31‐story
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Hybrid simulation of a tall building with a double‐decker tuned sloshing damper system under wind loads Struct. Des. Tall Spec. Build. (IF 2.048) Pub Date : 2020-07-14 Dae Kun Kwon, Ahsan Kareem
This study presents an advanced experimental system, hardware‐in‐the‐loop (HIL), recently referred to as hybrid testing, to validate the effectiveness of a double‐decker tuned sloshing damper (TSD) system with screens applied to a recently constructed tall building. The HIL simulation facilitates a performance analysis of a combined structure‐damper system in which the nonlinear behavior of liquid