scholarly journals Analytical Comparison of Structure with Reinforced Concrete Wall Against Lateral Load

2019 ◽  
pp. 1336-1340
Author(s):  
Mehul J. Bhavsar ◽  
Digant A. Pastagia
Keyword(s):  
Performance Optimization ◽  
Structural Parameters ◽  
Structural System ◽  
Concrete Wall ◽  
Structural Wall ◽  
Static And Dynamic Analysis ◽  
High Rise ◽  
High Rise Building ◽  
Moment Resisting ◽  
Reinforced Concrete Wall

Buildings are generally designed to withstand against gravity load for expected life and resist extent of lateral loads by satisfying the codal provision. Main objective of structural elements is to transfer the load safely to the ground, which depends on structural system adopted. Generally, structural system can be adopted depending on the demand of client/building needs/use of structure, environmental condition, performance optimization, economic condition etc. For high rise building moment resisting frame system, structural wall systems, dual system, flat slab-structural wall systems can be employed. A residential ground with ten upper floors high rise building situated in zone-III has been taken under reference, where MRF with RC structural wall system is used. Structural parameters are compared in the study for various location and orientation of RC wall. Linear static and dynamic analysis is performed on the structure based on the IS 1893 Part-I on ETABS software.

Analysis of Asymmetric High-Rise Building

2017 ◽  
Vol 738 ◽  
pp. 120-129
Author(s):  
Olga Ivankova ◽  
Marian Stellmach ◽  
Lenka Konecna
Keyword(s):  
Dynamic Analysis ◽  
Soil Structure ◽  
Applied Load ◽  
Soil Structure Interaction ◽  
Static And Dynamic Analysis ◽  
Structure Interaction ◽  
High Rise ◽  
High Rise Building ◽  
Seismic Area ◽  
Two Alternatives

This paper deals with static and dynamic analysis of asymmetric high-rise building. Two alternatives have been analysed – without dilatation and with dilatation. Then, the influence of the dilatation was discussed. The building was located in 4th seismic area in Slovakia (Bratislava). The description of the building, applied load, considered soil-structure interaction, created calculating models, used analysis and obtained results are mentioned here. The conclusions and the photos of defective repairs of real structures are depicted at the end of the paper.

Experimental Study on Seismic Behavior of High-Rise RC Shear Wall with Diagonal Web Reinforcement

2012 ◽  
Vol 446-449 ◽  
pp. 2305-2308
Author(s):  
Guang Qiang Zhou ◽  
Qing Yang Liu ◽  
De Yuan Zhou
Keyword(s):  
Reinforced Concrete ◽  
Axial Compression ◽  
Seismic Behavior ◽  
Shear Wall ◽  
Concrete Wall ◽  
High Rise ◽  
Web Reinforcement ◽  
Reinforced Concrete Wall ◽  
Rc Shear Wall ◽  
Reversed Cyclic

Based on the experiment of four models of reduced scale high-rise reinforced concrete wall under low-reversed cyclic loading, seismic behavior of reinforced concrete (RC) shear wall with diagonal web reinforcement under different ratio of axial compression is studied, in comparison to ordinary shear wall. The experiment result shows that diagonal bars affect the distribution of cracks and help to resist shear slip at the bottom of the wall. Seismic behavior of high-rise shear wall, which horizontal bars are replaced with the same amount diagonal bars in part can be obviously improved when the ratio of axial compression is high, but when the ratio of axial compression is low, the effect is not obvious.

scholarly journals Analytical Investigation of Composite Structure in Comparison of RCC Structure

2021 ◽  
Vol 1197 (1) ◽  
pp. 012069
Author(s):  
Vrunda R Laddha ◽  
Sharda P Siddh ◽  
Prashant D Hiwas
Keyword(s):  
Composite Structure ◽  
Composite Structures ◽  
Structural Parameters ◽  
Analytical Investigation ◽  
Static Method ◽  
Structural System ◽  
Commercial Building ◽  
Design Data ◽  
High Rise ◽  
Earthquake Zone

Abstract High rise structures becoming very common everywhere due to scarcity of land and increasing population. Though we have RCC structure system as high-rise buildings, but in RCC buildings due to bulky size of the components of the structure self-weight will be more due to the heavy density of materials. By observing the difficulties and challenges in the field of high-rise structures engineers are using efficient structural system that is Steel Concrete Composite Structure. Composite structure consists composite deck slab, composite beam and composite column. Composite Structure complies of Concrete which is good in compression and structural steel which good in tension and composition of these material makes structure better in ductility which comparatively on higher side than RCC structure. Here G+7 high rise structure is considered for analysis by ETABS software. This paper involves Analysis of Commercial building by Equivalent static method on Composite structure and RCC structure with same plan of building and same design data. The structure is in earthquake zone III and wind speed 44m/s. Analytical comparisons of both Composite and RCC frame based on structural parameters are made with help of graphs and tables. By comparing the results, we found that Steel-Concrete Composite Structures are more desirable than RCC structures.

scholarly journals Impact of the Reinforcement Detailing on Seismic Performance of Isolated Non-structural Walls

Buildings ◽  
2020 ◽  
Vol 10 (5) ◽  
pp. 89 ◽  
Author(s):  
Walid Ahmad Safi ◽  
Yo Hibino ◽  
Koichi Kusunoki ◽  
Yasushi Sanada ◽  
Tomohisa Mukai
Keyword(s):  
Experimental Approach ◽  
Hanging Wall ◽  
Concrete Wall ◽  
Structural Walls ◽  
Concrete Walls ◽  
Structural Wall ◽  
Drift Capacity ◽  
Reinforced Concrete Walls ◽  
Strength Capacity ◽  
Moment Resisting

Following the observation of severe damage to structurally isolated non-structural reinforced concrete walls after major earthquakes, researchers began to reassess the effectiveness and connection detail of non-structural walls to moment-resisting frames. A method to control damages to the non-structural wall, is to cast exterior non-structural concrete wall elements to be monolithic with frame elements, without anchoring the wall longitudinal bar. The non-anchorage of the wall longitudinal bar significantly increases the drift capacity of the wall and decreases damage. Using an experimental approach, this study assesses the influence of reinforcement detailing and quantity of the transverse reinforcements on the strength and drift capacity of the non-structural hanging wall. This study further evaluates the workability mechanism of the transverse reinforcements and reinforcement detailing with concrete. The non-anchorage of hanging walls, having boundary confinements, was found to exhibit a higher drift and strength capacity than similar walls with the anchored detailing without boundary confinements. The strength capacity of the anchored detailing hanging walls with minimum amounts of reinforcements was higher than that of the non-anchored specimen. The boundary confinements were found to be more influential on the capability of the hanging wall when placed along with non-anchored detailing reinforcement.

Behaviour of steel-to-concrete joints - moment resisting joint of a composite beam to reinforced concrete wall

2011 ◽  
Vol 4 (3) ◽  
pp. 161-165 ◽  
Author(s):  
José Henriques ◽  
Luís Simões da Silva ◽  
Ana Ozbolt ◽  
Ulrike Kuhlmann ◽  
Jiří Žižka ◽  
...  
Keyword(s):  
Reinforced Concrete ◽  
Composite Beam ◽  
Concrete Wall ◽  
Moment Resisting ◽  
Reinforced Concrete Wall ◽  
Concrete Joints

The Conceptual Design of High-Rise Structures

2011 ◽  
Vol 99-100 ◽  
pp. 46-50
Author(s):  
Ming Chen Xue ◽  
Yong Sheng Zhao
Keyword(s):  
Conceptual Design ◽  
Structure Design ◽  
Building Structures ◽  
Building Structure ◽  
Structural System ◽  
Seismic Line ◽  
High Rise ◽  
High Rise Building

In this paper, the contents, meaning and importance of conceptual design in the high-rise building structure design are explored from the following respects: structural system, facade layout and multi-channel seismic line. It not only provides a strong protection of concept for calculation of high-rise building structures, but also accumulates some experience for the research on conceptual design of high-rise structures.

System Identification of High-Rise Building under Unknown Seismic Excitation with Limited Output Measurements

2010 ◽  
Vol 163-167 ◽  
pp. 3947-3951
Author(s):  
Ying Lei ◽  
Chao Liu ◽  
Yong Qiang Jiang
Keyword(s):  
System Identification ◽  
Structural Parameters ◽  
Frequency Equation ◽  
Seismic Excitation ◽  
Element Formulation ◽  
Unknown Inputs ◽  
High Rise ◽  
High Rise Building ◽  
Limited Output ◽  
Shear Building

In this paper, a system identification approach is proposed for high-rise building under unknown seismic excitation with limited output measurements. A high-rise building is decomposed into small size substructures based on its finite element formulation. Interaction effect between adjacent substructures is considered as ‘equivalent known inputs’ to each substructure. Unknown seismic excitation is considered as ‘equivalent unknown inputs’ at the first floor. By sequentially utilizing the extended Kalman estimator for the extended state vectors and the least squares estimation for the ‘equivalent unknown inputs’, structural parameters above the first story of a shear building can be identified. Then, with the analysis of the measured absolute acceleration responses in frequency domain and the peak-picking method for the estimation of the first natural frequency of the building, structural parameters of the first story can be identified from the frequency equation. Finally, the unknown seismic excitation can be identified via the numerical solution of a first-order differential equation. It is shown by a numerical example that the proposed method can identify high-rise building parameters and the seismic excitation with good accuracy.

scholarly journals Characterization of High-Rise Reinforced Concrete Buildings Located in Antofagasta, Chile, by Means of Structural Indexes

2021 ◽  
Vol 41 (3) ◽  
pp. e90430
Author(s):  
Juan Andrés Music Tomicic ◽  
Felipe Ignacio Soto Ramírez
Keyword(s):  
Reinforced Concrete ◽  
Seismic Event ◽  
Structural Performance ◽  
Structural Redundancy ◽  
Concrete Wall ◽  
Professional Activities ◽  
High Rise ◽  
Reinforced Concrete Wall ◽  
Engineering Drawings

This study aims to characterize a series of high-rise reinforced concrete wall buildings located in Antofagasta, Chile, by means of a set of structural indexes commonly used in professional activities in our country and recommended by researchers. To this effect, a total of eight buildings was analyzed, from which, based on their architectural plans and engineering drawings, a series of properties was determined, such as wall and floor area, among others. Additionally, a modal spectral analysis was carried out according to the current Chilean regulations (NCh 433Of.1996Mod.2009 and DS 61) by means of the ETABS software. Next, eleven structural indexes were selected and determined, which are related to stiffness, structural redundancy, and ductility, with the purpose of making a seismic qualification. The obtained values indexes provide information about the expected structural performance of the buildings under a major seismic event. Finally, correlations between the different indexes were established.

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