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Academic literature on the topic 'The Effects of Seismic Forces on the Performance of Building'
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Journal articles on the topic "The Effects of Seismic Forces on the Performance of Building"
1
Gajbhiye, Shobhit. "Seismic Effects on Different Structural Members." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (2021): 1481–85. http://dx.doi.org/10.22214/ijraset.2021.36589.
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Civil engineers deal with constructing differing types of structures with guaranteeing safety, sturdiness and utility. Currently days “earthquake “is a natural tragedy that affects the structures with their safety and utility. The quantity of harm that earthquake will cause to structures is rely upon sort of building, sort of soil, Technology used for earthquake resistance, and last however not the smallest amount Location of building. Effects of earthquake area unit mostly counting on sort of soil within which foundation of building is finished as a result of earthquake changes the motion of ground that results the failure foundation. Therefore it's vital to check the behavior of various soils at the time of construction of structures. Earthquake will be resisted by varied technologies utilized in building, one amongst these area unit shear wall. It improves the structural performance of building subjected to lateral forces because of earthquake excitation. Much analysis comes area unit afoot worldwide for development of effective ways for estimating unstable demands for performance-based engineering of buildings.
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Nizamani, Zafarullah, Seah Kay Seng, Akihiko Nakayama, Mohamad Shariff Bin Omar Khan, and Haider Bilal. "Seismic Effects on a Horizontally Unsymmetrical Building using Response Spectrum Analysis." MATEC Web of Conferences 203 (2018): 06014. http://dx.doi.org/10.1051/matecconf/201820306014.
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Most of the residential buildings in Malaysia are not designed to withstand the seismic forces, while the high-rise buildings. However, since the Sumatra 2004 earthquake, there had been increasing concerns about the structure vulnerability in our country to earthquakes. Several recent studies had also revealed that Malaysia had the possibility to be influenced by both local and far field earthquakes. This study is conducted to analyze the vulnerability of a high rise building to local and far field earthquakes using Scia Engineer. Modal Response Spectrum method of Scia Engineer is used. The model is a 12 story hotel building from Ipoh, Perak. The designing code is the Eurocode with Malaysia Annex. Different Peak Ground Accelerations (PGA) that represents the local and far field earthquakes is acted on the model to obtain the seismic performance. The deformation of the building by the seismic combinations is compared to the ASCE-7 design to evaluate the vulnerability. Research of seismic performance of the flat slab system is also conducted along with beam frame system. The result shows that the building is in a safe condition in terms of deformation and the seismic performance of the flat slab system is advantageous.
3
Pillai, Manoj S., and Jency Sara Kurian. "Hybrid Model for Retrofitting: A Review." Applied Mechanics and Materials 857 (November 2016): 200–205. http://dx.doi.org/10.4028/www.scientific.net/amm.857.200.
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Beam-column joint is considered as a crucial zone in moment resisting frames. It is subjected to large forces during an earthquake, due to ground shaking and the response of the building depends on the behavior of the beam-column joint. During analysis, the joints are usually treated as rigid and this fails to consider the effects of various shear forces developed within the joint. So there emerges the need of seismic upgrading owing to structural deterioration, change in functions or increased performance requirements. Damping is one of the commonly adopted methods proposed for achieving optimal performance of the building subjected to seismic actions. In the present study, an economical approach towards the use of dampers in buildings to reduce the seismic effect is studied. A hybrid combination of dampers with steel bracings for retrofitting is studied in this paper. A cost effective hybrid configuration is presented which can simultaneously reduce the seismic effect and the overall cost for retrofitting.
4
Hasan, A., K. I. M. Iqbal, S. Ahammed, and A. Ghosh. "Nonlinear Time History Analysis for Seismic Effects on Reinforced Concrete Building." Nigerian Journal of Technological Development 19, no. 4 (2023): 391–99. http://dx.doi.org/10.4314/njtd.v19i4.12.
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A typical Reinforced Concrete (RC) building frame comprising of RC columns and connecting beams that participates in resisting the earthquake forces. Due to earthquake, reversal tension generates at both faces of a beam and column; and hence damage occur in the frame for the disability of tension carrying capacity of concrete. Therefore, the structural performance of RC building for seismic load has been analyzed by nonlinear time history analysis method for this study. A residential building located in Dhaka, Bangladesh subjected to various types of gravity load and seismic load was considered to analyze using ETABS software as per the guideline of BNBC (2020). According to the guideline of ATC 40 (1996), the seismic performances like maximum displacement and story drift for RC building were evaluated both at structural and element levels by applying El Centro (1940) ground motion at the base of the structure. Formation of plastic hinges is used as the basis to evaluate the local performance and story drift is used to evaluate the global performance. At first, the considered building was designed only for gravity load, and then for both gravity and seismic load according to BNBC (2020). Further studies have been performed on that building considering double height column at a story level. It was observed that the maximum displacement and story drift exceeds the allowable limit for all the considered cases if seismic load is applied on the structure.
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Shukla, Kusamakar, and Dr Gunjan Shrivastava. "Comparative Study of 30-Storey Building with and without Seismic Load Combination by using STAAD PRO." International Journal for Research in Applied Science and Engineering Technology 11, no. 7 (2023): 1426–36. http://dx.doi.org/10.22214/ijraset.2023.54888.
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Abstract: This comparative study aims to evaluate the structural behaviour of a 30-storey building using STAAD Pro under two scenarios: with and without seismic load combinations. By comparing the results obtained from both cases, the study seeks to determine the significance of seismic design provisions and the impact they have on the structural performance of the building. The findings of this research will contribute to the understanding of the importance of incorporating seismic load combinations in the design process of high-rise buildings and aid in improving their safety and resilience.Seismic design provisions and load combinations are essential in ensuring the structural integrity of high-rise buildings. These provisions consider the effects of lateral forces generated by seismic activity and aim to minimize structural damage and protect human life during an earthquake. It is crucial to evaluate the performance of buildings under different loading conditions, including seismic load combinations, to ensure they meet safety standards and codes.
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Panthi, Ashim, Ashin Lamsal, Binod Pathak, Kishor Poudel, and Bharat Pradhan. "Design Demands of RC Buildings Due to Irregularities." Journal of Advanced College of Engineering and Management 8, no. 1 (2023): 109–18. http://dx.doi.org/10.3126/jacem.v8i1.55915.
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The RC-framed building is one of the most common construction technique for seismic-resistant structures due to its ductile nature. However, the seismic performance of RC structures can be significantly influenced by different factors, irregularities being one of the most important aspect. Irregularities on buildings increase the lateral seismic forces and inter-storey drifts thus increasing seismic demands in the structural elements. Due to architectural or functional requirements, many times irregularities cannot be avoided even though such arrangements are discouraged in the building codes including the Nepal National Building Code (NBC) 105:2020. Although many studies have been performed to quantify the effects of such irregularities internationally, design effect has not been analyzed in the context of Nepal and NBC 105:2020. Therefore, this study aims to present the variation in design demand for RC buildings in different irregularities scenarios. Three buildings models exhibiting irregularities in torsion, stiffness, and diaphragm are taken and analyzed in Finite Element platform SAP 2000 and compared with a regular building in terms of storey drift, internal forces, etc. The final design of the structural elements shows that the design demand in terms of section size and reinforcements can be significantly influenced by the presence of such irregularities.
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Heidebrecht, A. C. "Insights and challenges associated with determining seismic design forces in a loading code." Bulletin of the New Zealand Society for Earthquake Engineering 28, no. 3 (1995): 224–46. http://dx.doi.org/10.5459/bnzsee.28.3.224-246.
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 This paper presents and discusses a number of important topics which affect the determination of seismic design forces in a loading code. These range broadly from seismic hazard through to design philosophy and include the following aspects: influence of uncertainty in determining seismic hazard, seismic hazard parameters, site effects, probability level of design ground motions, role of deformations in seismic design, performance expectations and level of protection. The discussion makes frequent reference to the seismic provisions of both the National Building Code of Canada (1995) and the New Zealand Loading Standard (1992). Also, comparisons are made of seismic hazard and seismic design forces for several Canadian and New Zealand cities.
 
 
 
8
G, Gayathri, K. M Mini, and Sruthy S. "Seismic and blast loading performance of a gypsum panelled prefabricated building." International Journal of Engineering & Technology 7, no. 4.5 (2018): 669. http://dx.doi.org/10.14419/ijet.v7i4.5.25055.
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Urge for modern technologies and limited space leads to the idea of light weight building technology that can resist major loading condi- tions and can even be used in lands with very poor soil profile. For proper understanding of the structural response, building needs to be evaluated for natural hazards like seismic and manmade calamities like blast loading along with the normal forces acting on the structure. Whole building and structural components are also to be evaluated to study the progressive collapse of the building. This paper includes the study of static, seismic and blast loading effects on a conventional and a prefabricated building. The structural components and con- nections are also evaluated to forecast the strength of a prefabricated building using FE method. Gypsum wall panel incorporated with glass fibres and casted with cavities, as hollow and filled, are used as building panel. This study is useful in suggesting an innovative technology which is light in weight and cost effective with composite structural components.
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Rana, UpasanaR, SnehalV Mevada, and VishalB Patel. "Seismic Risk Assessment of Asymmetric Buildings using Fragility Curves." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 1727–39. http://dx.doi.org/10.38208/acp.v1.712.
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It is very important and necessary to assess the seismic risk for the buildings subjected to uncertain and highly unpredictable dynamic forces produced from earthquakes. Fragility curves are the best tools for the representation of seismic risk assessment. In the present study, risk assessment of structure subjected to seismic loading is evaluated. Further, the effects of different eccentricities are also studied for seismic risk assessment. The fragility curves are developed for G+5 storied RCC bare frame building as well as G+5 storied RCC building with shear wall. The considered buildings are subjected to ground motions of past recorded earthquakes. Buildings with different eccentricities and various structural configurations are studied for various failure criteria. The responses of the considered buildings subjected to earthquake excitations are evaluated by Incremental Dynamic Analyses. Fragility curves are developed using Monte Carlo method considering various performance levels as per ATC-40. It is observed that for immediate occupancy failure criteria, the probability of failure is increased constantly with increasing the percentage of structural eccentricity. Further, it is observed that very less variation is observed in the probability of failure under life safety and collapse prevention failure stages.
10
Bairán, J. M., R. Moreno-González, and J. Peguero. "Seismic Behavior of Medium and High Strength Concrete Buildings." Open Civil Engineering Journal 9, no. 1 (2015): 308–20. http://dx.doi.org/10.2174/1874149501509010308.
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Current concrete technology has made higher concrete grades more affordable to mid and high-rise buildings; hence its use has been increasing in the late years as it allows for smaller cross-sections, reduction of the structure’s weight, improve durability, among other benefits. However, it is known that brittleness of plain concrete increases with the strength; therefore, some national codes have limited the concrete’s strength in high seismic zones. In this paper, the seismic behavior of a 10 storey dual frame-wall building, designed with concrete grades C30, C60 and C90 is studied in order to assess the advantages and disadvantages of this material and investigate the effects of high concrete strength on the seismic behavior of buildings. In total, three models were studied. Furthermore, a comparison between Force-Based-Design (FBD) and Displacement-Based-Design (DBD) methodologies is made. DBD showed advantages in determining the adequate design ductility and the distribution of forces between frame and wall. The structures are designed according to Eurocode 8 for seismic design high ductility structures. To assess the seismic performance of the building, pushover analyses were made according to the Eurocode 8 (N2 method) in order to determine the performance point. It is observed that adequate design could accommodate concrete’s reduction of ductility. Needed confinement levels can objectively be defined for different concrete strength. Some benefits of the overall increase of strength are highlighted in the paper. The C90 building showed adequate response, although changes on the failure mode were observed.