Seismic Assessment Of A 5-storey Retrofitted RC Building

TY - GEN

T1 - Seismic Assessment Of A 5-storey Retrofitted RC Building

AU - Bark, Hussein

AU - Markou, George

AU - Mourlas, Christos

AU - Papadrakakis, Manolis

PY - 2016/6

Y1 - 2016/6

N2 - Due to severe damages on structures caused by earthquakes different approaches were introduced to enhance their carrying capacity. The most common one is retrofitting, which is a technique used to improve the structural capacity of a building that is found to be inadequate against earthquake loads. The problems that arise when retrofitting reinforced concrete structures, is the use of objective and sound methods that will provide the engineer with the tools to assess the final design. This work aims to alleviate this restriction by performing a complete study of a 5-storey reinforced concrete structure that was retrofitted with reinforced concrete shear walls through the use of 3D solid finite elements. Cracking is treated with the smeared crack approach and the steel reinforcement is simulated by embedded rod elements. This detailed modeling approach is applied for the first time so as to perform a full pushover analysis of a 5-storey RC retrofitted building. The numerical results illustrate that the proposed assessment approach is computationally accurate. Furthermore, the use of parallel processing is required so as to decrease the computational demand when dealing with full scale models.

AB - Due to severe damages on structures caused by earthquakes different approaches were introduced to enhance their carrying capacity. The most common one is retrofitting, which is a technique used to improve the structural capacity of a building that is found to be inadequate against earthquake loads. The problems that arise when retrofitting reinforced concrete structures, is the use of objective and sound methods that will provide the engineer with the tools to assess the final design. This work aims to alleviate this restriction by performing a complete study of a 5-storey reinforced concrete structure that was retrofitted with reinforced concrete shear walls through the use of 3D solid finite elements. Cracking is treated with the smeared crack approach and the steel reinforcement is simulated by embedded rod elements. This detailed modeling approach is applied for the first time so as to perform a full pushover analysis of a 5-storey RC retrofitted building. The numerical results illustrate that the proposed assessment approach is computationally accurate. Furthermore, the use of parallel processing is required so as to decrease the computational demand when dealing with full scale models.

KW - Retrofitted Structure

KW - Reinforced Concrete Modeling

KW - Finite Element Method

KW - Seismic Assessment

UR - https://www.scopus.com/pages/publications/84995407496

U2 - 10.7712/100016.2302.16740

DO - 10.7712/100016.2302.16740

M3 - Conference contribution

VL - 4

SP - 6832

EP - 6846

BT - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering

A2 - Papadrakakis, M.

A2 - Papadopoulos, V.

A2 - Stefanou, G.

A2 - Plevris, V.

PB - ECCOMAS Proceedia

T2 - ECCOMAS Congress 2016

Y2 - 5 June 2016 through 10 June 2016

ER -