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Journal articles on the topic 'Asymmetric Multi-storey Buildings'

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Published: 4 June 2021

Last updated: 7 September 2023

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Harasimowicz, Anthony P., and Rakesh K. Goel. "Seismic code analysis of multi-storey asymmetric buildings." Earthquake Engineering & Structural Dynamics 27, no. 2 (1998): 173–85. http://dx.doi.org/10.1002/(sici)1096-9845(199802)27:2<173::aid-eqe724>3.0.co;2-w.

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Humar, J. L., and P. Kumar. "Torsional motion of buildings during earthquakes. II. Inelastic response." Canadian Journal of Civil Engineering 25, no. 5 (1998): 917–34. http://dx.doi.org/10.1139/l98-032.

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In a previous study on the elastic torsional response of building models subjected to earthquake motion, it was shown that the current provisions of the National Building Code of Canada for design against torsion induced by earthquakes are quite conservative for the flexible edge of the building, but may be inadequate for the stiff edge. Based on the results of studies on the elastic response, a new set of design provisions was suggested. The present study deals with the inelastic torsional response of single- and multi-storey buildings designed according to the suggested provisions. Effects of both the natural and the accidental torsion are considered. It is shown that, given the complexity of inelastic response, particularly that of multistorey buildings, the suggested provisions can reasonably be used for the torsion design of single-storey buildings, as well as of multistorey buildings that are asymmetric in plan, but otherwise fairly regular.Key words: earthquake response, natural torsion, accidental torsion, inelastic torsional response, design for torsion.

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Chandler, A. M., and G. L. Hutchinson. "A modified approach to earthquake resistant design of torsionally coupled buildings." Bulletin of the New Zealand Society for Earthquake Engineering 21, no. 2 (1988): 140–53. http://dx.doi.org/10.5459/bnzsee.21.2.140-153.

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All major building codes employ empirical procedures to account for modal coupling between the lateral and torsional responses of a structure. These procedures are implemented using expressions defining an equivalent static design torque. The provisions are based largely on the results of parametric investigations of the earthquake response of simple single-storey building models, which are found to be representative of regular multi-storey structures. This paper presents results obtained by the analysis of the time-history earth- quake response of a single storey mono-symmetric building model, leading to the development of an alternative approach for defining the design torque for torsionally coupled buildings. The procedure is based on the concept of effective eccentricity, in which the design lateral displacements of key structural members on the edge of the building are matched to the results of a dynamic analysis. A close approximation to the dynamic responses is derived over the relevant ranges of the important parameters. These parameters include the ratio of torsional to translational natural frequencies, which strongly influences the magnitude of torsional coupling effects in asymmetric buildings.

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Greco, Annalisa, Ilaria Fiore, Giuseppe Occhipinti, Salvatore Caddemi, Daniele Spina, and Ivo Caliò. "An Equivalent Non-Uniform Beam-Like Model for Dynamic Analysis of Multi-Storey Irregular Buildings." Applied Sciences 10, no. 9 (2020): 3212. http://dx.doi.org/10.3390/app10093212.

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Dynamic analyses and seismic assessments of multi-storey buildings at the urban level require large-scale simulations and computational procedures based on simplified but accurate numerical models. For this aim, the present paper proposes an equivalent non-uniform beam-like model, suitable for the dynamic analysis of buildings with an asymmetric plan and non-uniform vertical distribution of mass and stiffness. The equations of motion of this beam-like model, which presents only shear and torsional deformability, were derived through the application of Hamilton’s principle. The linear dynamic behaviour was evaluated by discretizing the continuous non-uniform model according to a Rayleigh–Ritz approach based on a suitable number of modal shapes of the uniform shear-torsional beam. In spite of its simplicity, the model is able to reproduce the dynamic behaviour of low- and mid-rise buildings with a significant reduction of the computational burden with respect to that required by more general models. The efficacy of the proposed approach was tested, by means of comparisons with linear Finite Element Model (FEM) simulations, on three multi-storey buildings characterized by different irregularities. The satisfactory agreement, in terms of natural frequencies, modes of vibration and seismic response, proves the capability of the proposed approach to reproduce the dynamic response of complex spatial multi-storey frames.

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Lyublinskiy, Valery, and Vladislav Struchkov. "Torsion RC structures of asymmetric multistory buildings." E3S Web of Conferences 410 (2023): 02017. http://dx.doi.org/10.1051/e3sconf/202341002017.

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In multi-storey buildings that are asymmetrical in plan, an eccentricity occurs between the center of mass and the center of stiffness. Under the action of wind and seismic horizontal loads, torsion appears in the bearing system of the building. Torsion can also occur in nominally symmetrical buildings caused by uneven deformations of structural components. There are numerous analytical and experimental studies of the effect of torsion on bearing structures. It is required to assess the achievement of the ultimate states of reinforced concrete structures and shear bonds that create a spatial system. This paper uses computer simulation to study the stress-strain state of the welded bond under the action of shear and torque. Two joint models are considered, which are subject to only shear and shear with torsion. The results show the process of destruction of the joint, deformation of the shear walls to be joined, and a decrease in the rigidity of the connection. The study is useful for understanding the mechanisms of twisting effects during translational and rotational vibrations of a building.

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Kinderis, Tomas, Mindaugas Daukšys, and Jūratė Mockienė. "Research on the Efficiency of Composite Beam Application in Multi-Storey Buildings." Sustainability 12, no. 20 (2020): 8328. http://dx.doi.org/10.3390/su12208328.

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Over the past decade, several types of composite slim floor constructions have been used in multi-storey buildings in Lithuania. In order to study the efficiency of composite beam application in steel-framed multi-storey buildings, Thorbeam (A1), Deltabeam (A2), slim floor beam (A3) and asymmetric slim floor beam (A4) were chosen and evaluated according to nine assessment criteria (beam cost (K1), initial preparation on site (K2), installation time (K3), complexity of installation technology (K4), labour costs (K5), fire resistance (K6), load bearing capacity (K7), beam versatility (K8), and availability of beams (K9)). First, the significance of the rating criteria was selected and the order of the ranking criteria was obtained (K1˃K7˃K3˃K6˃K4˃K5˃K2˃K8˃K9) by means of a survey questionnaire. Second, the beams were ranked according to the points given by the questionnaire respondents as follows: 160 points were given to A2, 144 points to A1, 129 points to A4, and 111 points to A3. Deltabeam is considered to be the most rational alternative of the four beams compared. Calculations done using the Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS) analysis method revealed that composite beam A2 was the best slim floor structure alternative for an eight-storey high-rise commercial residential building frame, A1 ranked second, A4 ranked third, and A3 ranked fourth. In addition, the four composite beams were compared to a reinforced concrete beam (A5) according to three assessment criteria (beam cost including installation (C1), beam self-weight (C2) and fire resistance (C3)). Deltabeam was found to be efficient for use as a slim floor structure in a multi-story building due to having the lowest cost, including installation, and self-weight, and the highest fire resistance compared to other composite beams studied. Although Deltabeams are 1.4 times more expensive than reinforced concrete beams, including installation costs, they save about 2.5% of the building’s height compared to reinforced concrete beams.

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de Stefano, Mario, Edoardo Michele Marino, and Pier Paolo Rossi. "Effect of Overstrength on the Seismic Behaviour of Multi-Storey Regularly Asymmetric Buildings." Bulletin of Earthquake Engineering 4, no. 1 (2006): 23–42. http://dx.doi.org/10.1007/s10518-005-5408-8.

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Ghersi, A., E. M. Marino, and P. P. Rossi. "Static versus modal analysis: influence on inelastic response of multi-storey asymmetric buildings." Bulletin of Earthquake Engineering 5, no. 4 (2007): 511–32. http://dx.doi.org/10.1007/s10518-007-9046-1.

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Makarios, Triantafyllos K. "Seismic nonlinear static new method of spatial asymmetric multi-storey reinforced concrete buildings." Structural Design of Tall and Special Buildings 21, no. 11 (2010): 800–823. http://dx.doi.org/10.1002/tal.640.

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J. Hamood, Mohammed, Layla A. Ghalib, and Ameer G. Abdalwahab. "Numerical Evaluation of Seismic Response of Asymmetrical Reinforced Concrete Frame Buildings." International Journal of Engineering & Technology 7, no. 4.20 (2018): 491. http://dx.doi.org/10.14419/ijet.v7i4.20.26249.

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Asymmetrical multi-storey buildings are almost unavoidable in modern structures due to various types of useful and architectural requirements. Latest earthquakes showed that irregular distribution of mass, stiffness and strength cause serious damage in building structural systems. This paper investigates the numerical simulation of buildings with plan irregularity and presents a case study to demonstrate the numerical evaluation of the seismic response of a three real plan-asymmetric reinforced concrete building tested at full scale at the European Laboratory for Structural Assessment of the Joint Research Center, Ispra / Italy within the SPEAR project. The structural evaluation performed through a validated Finite Elements Package, modeled by the general purpose ABAQUS, which is able to run accurate analysis, in particular nonlinear static and dynamic analysis considering both geometric nonlinearity and material inelasticity.Adequacy of the numerical modeling is verified by comparing numerical and experimental results through evaluation of the seismic capacity and dynamic characteristics of the building. The provisions of the adopted seismic code for designing such buildings are also checked over and done with the nonlinear static and dynamic analysis by verifying the proficiency of an analytical model for simulating the nonlinear response of structures considered to conduct an investigation into experiments.

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Bosco, Melina, Giovanna A. F. Ferrara, Aurelio Ghersi, Edoardo M. Marino, and Pier Paolo Rossi. "Predicting displacement demand of multi-storey asymmetric buildings by nonlinear static analysis and corrective eccentricities." Engineering Structures 99 (September 2015): 373–87. http://dx.doi.org/10.1016/j.engstruct.2015.05.006.

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P. Bakalis, Athanasios, and Triantafyllos K. Makarios. "Verification of seismic enforced-displacement pushover procedure on torsionally flexible, asymmetric, multi-storey r/c buildings." Jounarl of Building Design and Environment 2, no. 1 (2023): 0. http://dx.doi.org/10.37155/2811-0730-0201-2.

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Oliveira Batista da Costa, Patrick, Rúbia Mara Bosse, and Gustavo de Miranda Saleme Gidrão. "Behavior assessment of asymmetrical building with concrete damage plasticity (CDP) under seismic load." Frattura ed Integrità Strutturale 16, no. 61 (2022): 108–18. http://dx.doi.org/10.3221/igf-esis.61.07.

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According to the research conducted, the asymmetric multi-storey buildings are complex and suffer from severe damage caused by increased torsional response. This paper addresses the behavior assessment of setback building with irregularity in the plan under severe seismic event such as Kobe earthquake. Using three-dimensional model, the structure is subjected to seismic waves in the three directions through ground accelerations. Nonlinear dynamic procedures have been used by means time-history analysis method. The mechanical model describes physical nonlinear behavior with damage and plasticity showing the regions of cracking propagation, mainly the columns-beams connections and the whole column as well, corroborating the weak column and strong beam concept. The slabs did not present significant failures despite indicating damage regions on the borders of the first floors.

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Kewalramani, M. A., Z. I. Syed, M. S. Almustafa, and M. S. Hassouna. "Structural reliability and performance evaluation of symmetric and asymmetric multi-storey buildings subjected to lateral wind forces." IOP Conference Series: Materials Science and Engineering 575 (August 13, 2019): 012005. http://dx.doi.org/10.1088/1757-899x/575/1/012005.

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Makarios, Triantafyllos. "Numerical Investigation of Seismic Behavior of Spatial Asymmetric Multi- Storey Reinforced Concrete Buildings with Masonry Infill Walls." Open Construction and Building Technology Journal 6, no. 1 (2012): 113–25. http://dx.doi.org/10.2174/1874836801206010113.

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Hu, Yao, Prashidha Khatiwada, Elisa Lumantarna, and Hing Ho Tsang. "Assessment of Torsional Amplification of Drift Demand in a Building Employing Site-Specific Response Spectra and Accelerograms." CivilEng 4, no. 1 (2023): 248–69. http://dx.doi.org/10.3390/civileng4010015.

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This paper aims at giving structural designers guidance on how to transform seismic demand on a building structure from two-dimensional (2D) to three-dimensional (3D) in an expedient manner, taking into account amplification of the torsional actions. This paper is to be read in conjunction with either paper #3 or #4. Torsional amplification of the drift demand in a building is of major concern in the structural design for countering seismic actions on the building. Code-based seismic design procedures based on elastic analyses may understate torsional actions in a plan of asymmetric building. This is because the inability of elastic analyses to capture the abrupt increase in the torsional action as the limit of yield of the supporting structural walls is surpassed. Nonlinear dynamic analysis can provide accurate assessment of torsional actions in a building which has been excited to respond in the inelastic range. However, a 3D whole building analysis of a multi-storey building can be costly and challenging, and hence not suited to day-to-day structural design. To simplify the analysis and reduce the scale of the computation, closed-form expressions are introduced in this paper for estimation of the Δ3D/Δ2D drift demand ratio for elastic conditions when buildings are subjected to moderate-intensity ground shaking. The drift demand of the 3D model can be estimated as a product of the 2D drift demand and the Δ3D/Δ2D drift demand ratio. In dealing with higher-intensity ground shaking causing yielding to occur, a macroscopic modelling methodology may be employed. The estimated Δ3D/Δ2D drift demand ratio of an equivalent single-storey building is combined with separate analysis for determination of the 2D drift demand. The deflection profile of the multi-storey prototype taking into account 3D effects, including torsional actions, is hence obtained. The accuracy of the presented methodologies has been verified by case studies in which drift estimates generated by the proposed calculation procedure were compared against results from whole building analyses, employing a well-established computer software.

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Makarios, Triantafyllos K. "Equivalent non-linear single-degree-of-freedom system of spatial asymmetric multi-storey buildings in pushover procedure: theory and applications." Structural Design of Tall and Special Buildings 18, no. 7 (2009): 729–63. http://dx.doi.org/10.1002/tal.459.

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Khatiwada, Prashidha, Elisa Lumantarna, Nelson Lam, and Daniel Looi. "Fast Checking of Drift Demand in Multi-Storey Buildings with Asymmetry." Buildings 11, no. 1 (2020): 13. http://dx.doi.org/10.3390/buildings11010013.

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Buildings possessing an asymmetrical arrangement of structural elements are torsionally unbalanced and can be vulnerable in a seismic event. Building codes of practices typically recommend the use of three-dimensional dynamic analysis to determine the seismic demands of a multi-storey building. Whilst most design practices are well equipped with commercial software for undertaking such analyses, designers often find it difficult to verify results. Much of the published technical articles present findings for buildings based on an idealised single-storey model. As a result of challenges in dealing with real multi-storey buildings, there has been very limited uptake of research findings in design practices. This article presents a three-tiered approach of estimating the displacement behaviour of the building in term of 3D/2D displacement ratio. The estimate can be used for verifying results reported from a computer package conveniently. The quick method provides predictions of the 3D/2D ratio and only requires the gross plan dimensions of the building to be known. The refined method requires knowledge of the torsional stiffness properties to be known, whereas the detailed method requires the eccentricity properties to be known as well. The proposed methodology is robust and reliable, as is demonstrated by case studies undertaken on six real multi-storey buildings.

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Khatiwada, Prashidha, and Elisa Lumantarna. "Simplified Method of Determining Torsional Stability of the Multi-Storey Reinforced Concrete Buildings." CivilEng 2, no. 2 (2021): 290–308. http://dx.doi.org/10.3390/civileng2020016.

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This article proposes a simplified method for determining the elastic radius ratio of the multi-storey reinforced concrete building. The elastic radius ratio is the benchmark parameter of the buildings in determining torsional stability during an earthquake. When buildings are torsionally flexible, the torsional component of seismic response amplifies the overall response of the building. Because of the numbers of simplified assumptions such as the adoption of the single-storey model, much of the published articles have a very limited range of application. Quantifying the interaction of different forces in multi-story non-proportional buildings has been the main challenge of these studies. The proposed “shear and bending combination method” solves this by introducing parameters that can determine the relative influence of individual actions. Moreover, the proposed method applies to buildings with all type of structural systems, having asymmetry, and accidental eccentricity. The method is validated through a parametric study consisting of eighty-one building models and using computer analysis. The proposed method and the research findings of this study are useful in determining the torsional stability of the building, in verifying the results of the computer-based analysis, and in optimizing the structural system in the buildings.

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Khadiranaikar, R. B., and Kerur Farhanaz. "Analysis of high-rise building by using fluid viscous dampers." i-manager's Journal on Structural Engineering 11, no. 2 (2022): 7. http://dx.doi.org/10.26634/jste.11.2.18982.

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Fluid viscous dampers are dynamic actuators that when stroke, it absorb the energy that by tectonic disturbances, wind absorption, or heat on a structure. Every multi-story building structure that is subjected to ground motion in daily life needs to be studied to determine how it responds because this is a common issue for construction. The structure's foundation is vibrating due to the earthquake. Buildings oscillate as a result of these vibrations, which could seriously harm the structure and observe the earthquake behaviour of structures with and without Fluid Viscous Dampers (FVD) and conventional Reinforce Concrete (RC) moment-resistant frames. The analysis takes place on displacement changes that caused by the addition of FVD in the structure and reduction in base shear in reinforced concrete structures after installing FVD and by using response spectrum and time history analysis. It compares the findings of storey displacement, storey stiffness, base shear, and storey drift assessments. This research provides information on several studies done on multi-story buildings while taking into account the various factors. The examination on vibration characteristics of a G+20 structure with and without a viscous damper is presented in the proposed work. Practically all multi-storeyed buildings must be analysed as three-dimensional systems, according to the current edition of the IS: 1893–2016. The building floor plans may be seen as asymmetrical and the hill slope topography of India is typically geologically stable.

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Jiang, Xinliang, and Yuping Kuang. "Inelastic parametric analysis of two-way asymmetrical multi-storey buildings." Advances in Structural Engineering 19, no. 5 (2016): 806–24. http://dx.doi.org/10.1177/1369433216630366.

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Veera Babu, K., S. Siva Rama Krishna, and Venu Malagavelli. "Seismic analysis of Multi storey Building on Sloping Ground and Flat Ground by using ETABS." IOP Conference Series: Earth and Environmental Science 1130, no. 1 (2023): 012004. http://dx.doi.org/10.1088/1755-1315/1130/1/012004.

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Abstract Due to urbanization and industrialization, which paved the door for the development of tall, multi-story structures on mountainous terrain, land is scarce in emerging nations like India. Buildings built on hilly terrain differ from those built on flat terrain due of their uneven and asymmetrical vertical and horizontal structures. These buildings are also significantly more vulnerable to earthquake pressures when located in mountainous terrain. The primary goal of the current endeavor is to investigate how structures behave on level and sloping terrain. Hilly places require different construction configurations than level areas. Hill structures vary from those on lowlands in that they are torsionally linked, highly irregular, and asymmetrical in both the horizontal and vertical planes. As a result, they are vulnerable to severe damage when an earthquake strikes. The behavior of a multi-story structure with two distinct slope angles was attempted to be studied in this paper, and a comparison with flat ground was made. by taking Earthquake Zone II into account. Buildings on level ground and buildings on slanted ground are compared. The models are created with the aid of the structural analysis program ETABS. Response spectrum analysis is used for analysis. The analysis’s findings, including storey shear, storey drifts, moments, and displacement, are tabulated and examined.

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Kaur, Kamalroop, and Balwinder Singh. "Seismic Analysis of Symmetric and Asymmetric Structures with and without Shear wall using Etabs software." IOP Conference Series: Earth and Environmental Science 889, no. 1 (2021): 012043. http://dx.doi.org/10.1088/1755-1315/889/1/012043.

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Abstract Behavior of multistory structures during solid seismic tremor relies on the underlying configurations.Irregularities are not avoidable in development of structures in light of the fact that the space accessible for building the structures are restricted consequently the structure with irregularity is built up more, because of these abnormalities in the structure damages are more during earthquake.The effect of lateral load as wind/Earthquakes influences the performance of these constructions significantly. For the stability against seismic forces of multi-celebrated structure, there is need to investigation of seismic examination to plan earthquake opposition structures. It was tracked down that principle reason for failure of RC building is due to irregular circulations of load, plan of the structures, strength, stiffness. In this paper the correlation of seismic behavior of G+15 story structures having plan irregularities was finished utilizing ETAB programming. For this reason different multi-storey structure plans are viewed as that are regular plan without shear wall, regular plan with shear wall, L shape without shear wall, L shape with shear wall, irregular plan of C shape without shear wall, irregular plan of C shape with shear wall structures. For the correlation, boundaries taken are displacement, story float and storey shear. Every one of the six structures was dissected for zone V. The fundamental objective is to contemplate the behavior of both symmetric and Asymmetric structures during seismic tremor having abnormalities in plan but the plan area is same. The another aim of the study is to examine the taken boundaries like storey shear, storey displacements, Maximum storey float of all structures that are build in this paper during seismic tremor and also to study the impact of shear wall on the behavior of different structures.

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Arun, Meera, PVVSSR Krishna, and T. Srinivas. "Seismic analysis of a multi- storied building for different plan configurations using E-tabs." E3S Web of Conferences 309 (2021): 01129. http://dx.doi.org/10.1051/e3sconf/202130901129.

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This paper consists of the work made on the study of seismic analysis on the multi-storied building by maintaining same floor area for all four different plan configurations. To make the analysis of these different four plan configurations, the modelling is done prior in the ETABS:2016 (Extended Three-Dimensional analysis of building system). An effort is made by providing all the load combinations and the performance of each plan is analysed individually and the comparison is made between symmetrically and asymmetrically plan configurations by keeping the floor area constant. After completion of the analysis, the comparison of storey displacement, base shear and storey drift is made and conclude that the symmetrical plans are superior when compared to asymmetrical plans in the view of the resistance against the seismic forces. Further the expansions joints are to be provided in the asymmetrical plans to ensure the safety against the seismic forces.

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Arif, W., and I. G. Craifaleanu. "Assessment of the Seismic Vulnerability of a Multi-storey RC Structure with Plan Irregularity: A Case Study." IOP Conference Series: Earth and Environmental Science 1185, no. 1 (2023): 012021. http://dx.doi.org/10.1088/1755-1315/1185/1/012021.

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Abstract A nine-story reinforced concrete dual system (wall-frame) building located in Bucharest, categorized as plan-asymmetric and designed according to the provisions of Romanian and European codes was studied. The criteria for regularity in plan were verified comparatively according to three codes (Eurocode 8, ASCE 7-16 and the Romanian seismic design code P100-1-2013). The seismic behaviour of the studied building was further investigated by detailed nonlinear static analyses (pushover) and nonlinear dynamic analyses performed on the 3-D building model, for various load patterns and spectrum-compatible ground motion records, respectively. The seismic vulnerability of the building was estimated based on the structural vulnerability index, determined from the nonlinear analyses. The study highlighted the significant effects of the overall torsion on the investigated parameters, in particular on interstory drifts and roof displacements, but also on the seismic vulnerability index.

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WANG, Y., C. ARNAOUTI, and S. GUO. "A SIMPLE APPROXIMATE FORMULATION FOR THE FIRST TWO FREQUENCIES OF ASYMMETRIC WALL–FRAME MULTI-STOREY BUILDING STRUCTURES." Journal of Sound and Vibration 236, no. 1 (2000): 141–60. http://dx.doi.org/10.1006/jsvi.2000.2984.

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Alam, Zeshan, Li Sun, Chunwei Zhang, Zhongxin Su, and Bijan Samali. "Experimental and numerical investigation on the complex behaviour of the localised seismic response in a multi-storey plan-asymmetric structure." Structure and Infrastructure Engineering 17, no. 1 (2020): 86–102. http://dx.doi.org/10.1080/15732479.2020.1730914.

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Beauchamp, J., P. Paultre, and P. Léger. "A simple method for determining seismic demands on gravity load frames." Canadian Journal of Civil Engineering 44, no. 8 (2017): 661–73. http://dx.doi.org/10.1139/cjce-2016-0034.

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This paper presents a simple method based on modal response spectrum analysis to compute internal forces in structural elements belonging to gravity framing not part of the seismic force resisting system (SFRS). It is required that demands on these gravity load resisting system (GLRS) be determined according to the design displacement profile of the SFRS. The proposed new method uses the fact that if the linear stiffness properties of the GLRS not part of the SFRS have negligible values compared to those of the SFRS, only the latter will provide lateral resistance. Displacements of the GLRS then correspond to those of the SFRS alone. The new method is illustrated by computing the seismic responses of a symmetric and an asymmetric multi-storey reinforced concrete building. These results are compared to those obtained from the application of the simplified analysis method proposed in the Canadian standard for the design of concrete structures. Nonlinear time history analyses are also performed to provide a benchmark for comparison. Results show that the new method can predict shear and bending moment in all members at once with ease. Therefore, this new simplified method can effectively be used to predict seismic forces in elements not considered part of the SFRS.

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Hentri, Mohammed, Miloud Hemsas, and Djamel Nedjar. "Vulnerability of asymmetric multi-storey buildings in the context of performance-based seismic design." European Journal of Environmental and Civil Engineering, December 31, 2018, 1–22. http://dx.doi.org/10.1080/19648189.2018.1548380.

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Ponnada, Markandeya Raju, and Poornima Reddi. "Linear static analysis of multi storey building with horizontally asymmetric architectures." Journal of Building Pathology and Rehabilitation 5, no. 1 (2020). http://dx.doi.org/10.1007/s41024-020-00086-y.

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"Seismic Analysis of Multistoried Building on Sloping Ground with Ground, Middle and Top Soft Storey." Regular 9, no. 11 (2020): 112–18. http://dx.doi.org/10.35940/ijitee.k7708.0991120.

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Buildings that rest on sloping ground are different from those that rest on level ground. Buildings located on sloping ground are much more prone to earthquakes because they are, in general, irregular, asymmetrical and tensional. Therefore, the movement of the ground affects them much more. Therefore, there is increased insertion of the shear wall to resist side loading. In this work, the multi-storey building G + 20 is analyzed on slopes of 0o and 24o. For the improvement and analysis of full-filled shear walls, GMT, type L and type C soft soil is used. The structure is analyzed by the response spectrum method and responses such as displacement, ground deviation, period and base slices are evaluated and compared using E-TAB software.

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Khadheeja Hussain. "Seismic and Torsional Performance Improvement on Symmetric and Asymmetric Multi Storey Building with Post Tension Flat Slabs." International Journal of Engineering Research and V9, no. 06 (2020). http://dx.doi.org/10.17577/ijertv9is060935.

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Lokesh J K and Venugopal Bhat. "Pushover Analysis of Sir M Visvesvaraya Block NMAMIT NITTE." International Journal of Advanced Research in Science, Communication and Technology, June 30, 2022, 409–31. http://dx.doi.org/10.48175/ijarsct-5477.

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Abstract:

Pushover analysis is one of the most-used nonlinear static procedures for the seismic assessment of structures, due to its simplicity, efficiency in modeling and low computational time. The previous studies about pushover analysis are almost based on symmetric building structures and unidirectional earthquake excitation. This analysis is conducted to evaluate the seismic capacities of an existing asymmetric-plan building. The seismic response of RC building frame in terms of performance point and the effect of earthquake forces on multi storey building frame with the help of pushover analysis are carried out. In the present study the building frame is designed as per IS 456:2000 and IS 1893:2002. We should also go through ATC-40, FEMA 356. To get knowledge of pushover analysis we have to learn Etabs and should practice to analysis a RC building. The main objective of this study is to check the kind of performance a building can give when designed as per Indian Standards. The pushover analysis of the building frame is carried out by using structural analysis and design software ETABS (Version 19).

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