Benchmarking evaluation methodologies for existing reinforced concrete buildings

Abstract

In 2016, the Applied Technology Council (ATC), with funding from National Institute of Standards and Technology (NIST) under Contract SB1341-13-CQ-0009 Task Order 16-476, commenced the ATC-134 project to benchmark evaluation procedures in ASCE/SEI 41 with respect to data recorded for six reinforced concrete structures subjected to actual earthquakes or tested on a shake table . A secondary objective of the effort was to compare the evaluation results predicted by ASCE 41 with other evaluation standards. In 2019, ATC was awarded NIST Contract No. 1333ND19PNB730832 to extend the project to include evaluation of two additional buildings under the ATC-134-1 project. The need for benchmarking ASCE 41 methodologies was identified as a top priority by a workshop conducted in 2008 (NIST, 2009). This report presents summary findings from studies of eight reinforced concrete structures and recommendations for improvements to the next edition of ASCE 41, as well as opportunities for future work.