预应力混凝土空心叠合板结构性能试验研究及影响因素分析

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THE EXPERIMENTAL STUDY AND INFLUENCE FACTORS ANALYSIS ON THE STRUCTURAL PERFORMANCE OF THE PRESTRESSED CONCRETE LAMINATED HOLLOW SLABS

1.
College of Engineering and Technology,Zhongzhou University,Zhengzhou 450044,China

摘要: 通过对4块170mm厚预应力混凝土空心叠合板和8块120mm厚预应力混凝土空心底板进行结构性能试验研究及对比分析，研究预应力混凝土空心叠合板的抗裂性及裂缝发展规律、挠度、承载力等结构性能，分析跨高比、配筋率等影响预应力混凝土空心叠合板破坏性质的主要因素。结果表明：与全预应力构件相比，叠合板的抗裂承载力不会因为现浇叠合层而下降。
- 预应力混凝土空心底板 /
- 叠合板 /
- 结构性能 /
- 承载力 /
- 延性
Abstract: Through structural performance experimental study and contrastive analysis of 4 single supported prestressed-concrete laminated hollow slabs(170 mm) and 8 single supported prestressed concrete hollow soleplate(120 mm),it was researched anti-cracking,crack development regularity,the amount of deflection and load bearing capacity of prestressed-concrete laminated hollow slabs.It was shown by the analysis that span-depth ratio and steel ratio were the main factors influencing the failure property of prestressed-concrete laminated hollow slabs,it was analyzed and validated anti-cracking capacity could not be reduced because of taminated.
- prestressed concrete hollow soleplate /
- laminated slab /
- structural performance /
- bearing capacity /
- ductility