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- Title
Experimental study on the effect of cemented layer of different materials on the bond performance of composite beams.
- Authors
ZHU Shengqing; LIU Fan; YUAN Xiaojing; GAO Weihao
- Abstract
In order to study the effects of different cementitious layer materials on the mechanical properties and bonding properties of fabricated hybrid connected steel-concrete composite beams, two 3 m span test beams were designed and manufactured for static load test. The materials of the cementation layer are epoxy mortar and C60 cement-based grouting material respectively, and other parameters remain unchanged. The failure mode, ultimate bearing capacity, load deflection curve, load slip curve and strain curve along the beam height are compared and analyzed. In the elastic stage, the maximum slip amount of C60 cement -based grouting is only 62.7% of that of epoxy mortar. Using C60 cement-based grouting material as cementation layer can significantly reduce the slip amount between concrete slab and steel beam in the elastic stage, and the bonding performance is better. In the plastic stage, the slip amount of the C60 cement-based grouting material increases sharply, so the cohesive force of the epoxy mortar is slightly stronger in the failure stage.
- Subjects
COMPOSITE construction; STEEL-concrete composites; GROUT (Mortar); MECHANICAL behavior of materials; CONCRETE slabs; DEAD loads (Mechanics)
- Publication
New Building Materials / Xinxing Jianzhu Cailiao, 2022, Issue 3, p68
- ISSN
1001-702X
- Publication type
Article