An investigation of the flexural behaviour of large-span prestressed and steel-reinforced concrete slabs

被引：3
|
作者：
Han, Tiancheng [1 ,2 ]
Liang, Shuting [1 ,2 ]
Zhu, Xiaojun [3 ]
Wang, Wenkang [1 ,2 ]
Yang, Jian [1 ,2 ]
机构：
[1] Southeast Univ, Sch Civil Engn, Nanjing 210096, Peoples R China
[2] Minist Educ, Key Lab Concrete & Prestressed Concrete Struct, Nanjing 210096, Peoples R China
[3] Southeast Univ, Architecture Design & Res Inst Ltd, Nanjing 210096, Peoples R China
来源：
SCIENTIFIC REPORTS | 2023年 / 13卷 / 01期
关键词：
COLD-FORMED STEEL; BEAMS;
D O I：
10.1038/s41598-023-37137-6
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The prestressed and steel-reinforced concrete slab (PSRCS) is an innovative composite structural member offering high load capacity and stiffness and exceptional anti-crack performance, making it a leading trend in composite structures. This paper presents the derived calculation formulas for bearing capacity, section stiffness, mid-span deflection of PSRCS. Additionally, a numerical analysis of PSRCS is conducted using ABAQUS software, with several models created to systematically investigate bearing capacity, section stiffness, anti-crack performance, and failure mode. Concurrently, PSRCS member parameters are analyzed for optimal design, and the results of finite element (FE) calculations are compared with theoretical formula calculations. The results demonstrate that PSRCS exhibits superior load capacity, section stiffness, and anti-crack performance comparing to conventional slabs. The parametric analysis offers optimal design for each parameter and presents the corresponding recommended span-to-depth ratios for various spans in PSRCS applications.
引用
收藏
页数：20
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