Characteristics of FBD and DDBD techniques for SMRF buildings designed for seismic zone-V in India

Sil, Arjun; Das, Gourab; Hait, Pritam

doi:10.1007/s41024-018-0040-6

Cited by 25 publications

(3 citation statements)

References 11 publications

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“…From Fig. 5 result, it can be concluded that the low-rise RC buildings designed by DDBD for 2% target drift are stiffer and have high initial stiffness and attract higher floor acceleration than buildings designed by FBD method [19,21].…”

Section: Evaluation Of Selected Rc Frames Using Nthamentioning

confidence: 94%

“…Many literatures compared FBD and DDBD approaches by comparing various parameters, i.e. displacements, drifts, ductility demands, strain limits, serviceability limits etc., and provides an in-depth knowledge of advantages and disadvantages of both the methods [18][19][20][21][22][23]. With time DDBD approach gets further extension to different structural systems, i.e.…”

Section: Introductionmentioning

confidence: 99%

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Applicability of DDBD approach on low-rise RC buildings situated in Indian seismic regions

Sharma

Tripathi

Bhatt

2021

Archit. Struct. Constr.

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Design of reinforced concrete (RC) buildings with a direct-displacement-based design (DDBD) method has been used extensively for the last few decades around the world. As compared to force-based design (FBD) method, DDBD provides advantages in cost-reduction, construction timing, and better structural performance. This paper investigates the DDBD methodology for G + 3 storied RC buildings, having different structural configurations by varying bays in the longitudinal and transverse directions, but having the same total plan area. The selected case-study RC buildings are analysed via non-linear time history analysis considering seismicity of zone-V of Indian regions. A suite of different spectrum compatible ground motions is used. The seismic behaviour has been analysed in terms of base-shear ratio, ductility demand, displacement profiles and drift ratios. The results illustrate that the DDBD procedure proves to be useful in designing RC buildings situated in seismic regions of India and are competent enough to withstand lateral forces due to seismic excitations.

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Section: Evaluation Of Selected Rc Frames Using Nthamentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Applicability of DDBD approach on low-rise RC buildings situated in Indian seismic regions

Sharma

Tripathi

Bhatt

2021

Archit. Struct. Constr.

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“…In FBD, building displacement acts as the ultimate criterion for assessing structural performance, while in UPBD, it serves as the targeted performance during the design phase. Several studies have compared the seismic performance between FBD and the DDBD method, consistently revealing that structures designed with DDBD method show significantly better seismic performance than those designed according to the FBD methods [24][25][26][27][28]. However, similar studies regarding UPBD method are not available in the literatures.…”

Section: Introductionmentioning

confidence: 99%

Cost and Damage Comparison of RC Frame Buildings Designed by IS Code and Unified Performance-Based Design Method

Das,

Choudhury,

Das

2024

Preprint

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Seismic design code of India follows the traditional forced-based approach for designing buildings to resist a lateral force representing the earthquake excitations. Owing to various limitations of this approach, there is a growing interest towards Performance-Based Design (PBD) when designing buildings for seismic events. The Unified Performance-Based Design (UPBD) is a new and advanced PBD approach capable of effectively designing buildings for specific performance levels and drift. Despite its potential benefits, the widespread adoption of PBD remains limited especially, in India. To address this gap, a comprehensive study was conducted to evaluate the effectiveness of two distinct design methodologies: the conventional force-based Indian Standard (IS) code method and the innovative UPBD approach. The study focused on analysing the cost implications and seismic damage outcomes of each method. Nine reinforced concrete frame buildings were initially designed using the IS code method, followed by detailed nonlinear analyses to assess their performance. Subsequently, the buildings are redesigned using UPBD to achieve equivalent performance levels and drift, setting a standardized benchmark for comparison. Cost is assessed based on the weight of concrete and steel, while a modified Park and Ang Damage Index is used to quantify damage. The research findings unveiled that buildings designed using the UPBD method exhibited lower overall costs and showcased reduced vulnerability to structural damage compared to those designed using the traditional IS code approach. The UPBD-designed buildings demonstrate superior performance metrics and potential cost savings, emphasizing the economic and structural benefits of adopting the UPBD method for seismic design.

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Seismic Reliability of Structures Based on Fragility Analysis: A Review

Mibang

Choudhury

2022

Structural Integrity

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Characteristics of FBD and DDBD techniques for SMRF buildings designed for seismic zone-V in India

Cited by 25 publications

References 11 publications

Applicability of DDBD approach on low-rise RC buildings situated in Indian seismic regions

Applicability of DDBD approach on low-rise RC buildings situated in Indian seismic regions

Cost and Damage Comparison of RC Frame Buildings Designed by IS Code and Unified Performance-Based Design Method

Seismic Reliability of Structures Based on Fragility Analysis: A Review

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