Experimental Study on the Seismic Performance of Improved Grouted Corrugated Duct Connection (GCDC) Design for Precast Concrete Bridge Column. Issue 5 (4th April 2022)

• Record Type: Journal Article
• Authors: Wang, Zhiqiang; Wu, Chengjun; Li, Tiantian; Xiao, Wei; Wei, Hongyi; Qu, Hongya
• Is Part Of: Journal of earthquake engineering. Volume 26:Issue 5(2022)
• Page Start: 2469
• Page End: 2490
• Publication Date: 2022-04-04
• Subjects: Precast concrete -- bridge column -- pull-out test -- cyclic loading -- seismic performance -- grouted connection; Earthquake engineering -- Periodicals; 624.1762
• DOI: 10.1080/13632469.2020.1785356
• Languages: English
• ISSNs: 1363-2469

Abstract

ABSTRACT: This study introduced a new design of the grouted corrugated duct connection (GCDC), which improves the structure integrity, bond strength and ease of constructability. A two-phase experimental program was performed to fully understand the connection behaviour. Phase I focused on the pull-out tests of 32 specimens in two batches with various conditions. It indicates that a connection length of 30 times of the rebar diameters would guarantee the bond strength. Phase II compared the 1/3-scale precast bridge column with its cast-in-place reference via quasi-static cyclic test. It showed that the precast column behaved similarly to that of the CIP column.