Experimental Analysis on the Mechanical Properties of Concrete Composite Slabs with Precast Prestressed Rectangular Rib Panels

WU Fang-bo; HUANG Hai-lin; CHEN Wei; ZHOU Xu-hong

doi:10.11835/j.issn.1674-4764.2011.04.003

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Experimental Analysis on the Mechanical Properties of Concrete Composite Slabs with Precast Prestressed Rectangular Rib Panels

更新时间：2023-11-28

- Experimental Analysis on the Mechanical Properties of Concrete Composite Slabs with Precast Prestressed Rectangular Rib Panels
- Journal of Civil and Environmental Engineering Vol. 33, Issue 4, Pages: 7-12(2011)
- 作者机构：
  
  1. 湖南大学土木工程学院,长沙,410082
  2. 湖南高岭建设集团股份有限公司,长沙,410153
  3. 兰州大学土木工程与力学学院,兰州,730000
- 作者简介：
- 基金信息：
- DOI：10.11835/j.issn.1674-4764.2011.04.003
  CLC：
- Published：2011
- 稿件说明：
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WU Fang-bo, HUANG Hai-lin, CHEN Wei, et al. Experimental Analysis on the Mechanical Properties of Concrete Composite Slabs with Precast Prestressed Rectangular Rib Panels[J]. Journal of Civil and Environmental Engineering, 2011, 33(4): 7-12.
DOI：

WU Fang-bo, HUANG Hai-lin, CHEN Wei, et al. Experimental Analysis on the Mechanical Properties of Concrete Composite Slabs with Precast Prestressed Rectangular Rib Panels[J]. Journal of Civil and Environmental Engineering, 2011, 33(4): 7-12. DOI： 10.11835/j.issn.1674-4764.2011.04.003.

摘要

为便于工业化生产及现场拼装

对预制薄板(预制预应力混凝土矩形肋薄板）进行规格设计。进行2种不同跨度的4块预制薄板的静载试验

重点研究预制薄板的极限承载力、刚度及抗裂性能

结果表明：预制薄板满足施工阶段承载力要求

可作为无支撑体系模板。进行2块单跨叠合板件和1块两跨连续叠合板件的静载试验

重点研究叠合板件的整体受力性能、叠合面的抗剪性能以及连续叠合板件在支座处的弯矩调幅值

结果表明：叠合板件可按整浇板的计算方法进行承载力计算

连续叠合板件受力性能与现浇板相似。进行混凝土叠合板件两阶段受力截面应变分析

建议取底板厚度作为预制薄板考虑二次受力影响的计算高度。

Abstract

For the convenience of industrialized production and site operation

specification design of PPCRP (precast prestressed concrete ribbed panels) is discussed. In order to obtain ultimate bearing capacity

bending rigidity and crack resistance

four PPCRP with two types of spans are studied

and the results show that PPCRP can satisfy the requirements of bearing capacity in construction phase and can serve as stay-in place formwork. To verify the mechanical property

shear behavior on contact interface of composite member and moment redistribution factor of continuous composite member

two single-span composite members and one two-span continuous composite member are studied. It is indicated that computational method for bearing capacity of composite member can be the same as cast-in-situ concrete slab. Besides

section strain analysis for composite member in two-loading is conducted

which suggests that thickness of bottom board can be used as calculated height with the consideration of two-loading.

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