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Title: On-Site Experimental and Numerical Investigations of Latticed Girder Composite Slabs.
Authors: Zhang, Xuefeng; Zhu, Xiaodan; Xie, Zhongshu; Yang, Yang; Liang, Shixue; Ye, Hailong; Rosen, Marc A.
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.
Subjects: COMPOSITE construction; GIRDERS; PRECAST concrete; CONSTRUCTION slabs; CRACKING of concrete
Publication: Sustainability (2071-1050), 2021, Vol 13, Issue 7, p3775
ISSN: 2071-1050
Publication type: Academic Journal
DOI: 10.3390/su13073775

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