On-Site Experimental and Numerical Investigations of Latticed Girder Composite Slabs

Xuefeng Zhang, Xiaodan Zhu, Zhongshu Xie, Yang Yang and Shixue Liang
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Xuefeng Zhang: College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310014, China
Xiaodan Zhu: College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310014, China
Zhongshu Xie: School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, China
Yang Yang: College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310014, China
Shixue Liang: School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, China

Sustainability, 2021, vol. 13, issue 7, 1-15

Abstract: In this study, on-site bending experiments which represented realistic and pragmatic engineering applications were performed to investigate the resistance, deflection, and cracking process of latticed girder composite slabs. Then, utilizing ABAQUS software, nonlinear finite element (FE) models were established to investigate the behavior of the slabs. The modeling took into account the contact between the precast and cast-in-place concrete interfaces. Additionally, a damage-cracking methodology was introduced to evaluate the crack opening width of the slab. The results demonstrated that the proposed numerical model was capable of reproducing the typical behavior of the composite slabs’ performance analysis. The experimental and numerical results demonstrate that the lattice girder composite slabs conformed to the requirement of existing design codes.

Keywords: precast concrete structures; latticed girder composite slab; on-site bending test; finite element modeling; concrete crack width (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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