耳板式空腹桁架免支撑叠合板抗弯性能试验研究

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发布时间：2020-01-06 00:00:00

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耳板式空腹桁架免支撑叠合板抗弯性能试验研究

Experimental Study on Flexural Performance of Ear Plate Vierendeel Truss Composite Slab Without Support

2021年第8期

混凝土叠合板；免支撑；空腹桁架；预制构件；抗弯性能

Concrete composite slab; No support; Vierendeel truss; Precast concrete member; Flexural performance

2021年第8期

10.19761/j.1000-4637.2021.08.079.05

张旭1，陈强1，庞祖杰2，孔潇1，梁艺2，王少杰1，胡兆文2

1.山东农业大学水利土木工程学院，山东泰安 271018；2.山东德建集团工程技术研究院，山东德州 253000

张旭1，陈强1，庞祖杰2，孔潇1，梁艺2，王少杰1，胡兆文2

张旭,陈强,庞祖杰,等.耳板式空腹桁架免支撑叠合板抗弯性能试验研究[J].混凝土与水泥制品,2021(8):79-82,95.

ZHANG X,CHEN Q,PANG Z J,et al.Experimental Study on Flexural Performance of Ear Plate Vierendeel Truss Composite Slab Without Support[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(8):79-82,95.

浏览量:

1000

摘要：通过标准砝码重物加载方法，研究了耳板式空腹桁架免支撑叠合板未浇筑后浇混凝土层、浇筑后浇混凝土层之后且上部钢管未拆除和拆除上部钢管三个施工受力阶段的抗弯性能，明晰了叠合板在各施工受力阶段的工作机制与设计计算方法。结果表明：耳板式空腹桁架免支撑叠合板在施工受力各阶段均具有良好的抵抗开裂与变形的能力，上部钢管、后浇混凝土层均可显著提高混凝土叠合底板的抗弯刚度。研究成果可为减少或免除普通混凝土叠合底板竖向支撑的使用，提高其抗裂性能提供有效路径。 Abstract: Through the loading method of standard weights, the flexural performance of the ear plate vierendeel truss composite slab without support in three construction stress stages of the post-cast concrete layer without pouring, the post-cast concrete layer after pouring and the upper steel tube without removing and the upper steel tube is removed were studied, and the working mechanism and design calculation method of the composite slab in each construction stress stage were clarified. The results show that the ear plate vierendeel truss composite slabs without support have good resistance to cracking and deformation at all construction stages, both the upper steel tube and post-cast concrete layer can significantly improve the flexural stiffness of concrete composite slabs. The research results can provide one of the effective ways for reducing or eliminating the use of vertical bracing of common concrete composite slab and improve its crack resistance.

英文名 : Experimental Study on Flexural Performance of Ear Plate Vierendeel Truss Composite Slab Without Support

刊期 : 2021年第8期

关键词 : 混凝土叠合板；免支撑；空腹桁架；预制构件；抗弯性能

Key words : Concrete composite slab; No support; Vierendeel truss; Precast concrete member; Flexural performance

刊期 : 2021年第8期

DOI : 10.19761/j.1000-4637.2021.08.079.05

文章编号 :

基金项目 :

作者 : 张旭1，陈强1，庞祖杰2，孔潇1，梁艺2，王少杰1，胡兆文2

单位 : 1.山东农业大学水利土木工程学院，山东泰安 271018；2.山东德建集团工程技术研究院，山东德州 253000

张旭1，陈强1，庞祖杰2，孔潇1，梁艺2，王少杰1，胡兆文2

张旭,陈强,庞祖杰,等.耳板式空腹桁架免支撑叠合板抗弯性能试验研究[J].混凝土与水泥制品,2021(8):79-82,95.

ZHANG X,CHEN Q,PANG Z J,et al.Experimental Study on Flexural Performance of Ear Plate Vierendeel Truss Composite Slab Without Support[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(8):79-82,95.

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摘要

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结论

参考文献

引用本文

Abstract: Through the loading method of standard weights, the flexural performance of the ear plate vierendeel truss composite slab without support in three construction stress stages of the post-cast concrete layer without pouring, the post-cast concrete layer after pouring and the upper steel tube without removing and the upper steel tube is removed were studied, and the working mechanism and design calculation method of the composite slab in each construction stress stage were clarified. The results show that the ear plate vierendeel truss composite slabs without support have good resistance to cracking and deformation at all construction stages, both the upper steel tube and post-cast concrete layer can significantly improve the flexural stiffness of concrete composite slabs. The research results can provide one of the effective ways for reducing or eliminating the use of vertical bracing of common concrete composite slab and improve its crack resistance.

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耳板式空腹桁架免支撑叠合板抗弯性能试验研究

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