[1]李扬,蔡健.新型型钢混凝土大梁吊模体系设计机理研究[J].深圳大学学报理工版,2013,30(No.4(331-440)):365-371.[doi:10.3724/SP.J.1249.2013.04365]
 Li Yang and Cai Jian,Study on the design mechanism of the new types of suspended formwork supporting system in constructing steel reinforced concrete girder[J].Journal of Shenzhen University Science and Engineering,2013,30(No.4(331-440)):365-371.[doi:10.3724/SP.J.1249.2013.04365]
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新型型钢混凝土大梁吊模体系设计机理研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第30卷
期数:
2013年No.4(331-440)
页码:
365-371
栏目:
土木建筑工程
出版日期:
2013-07-12

文章信息/Info

Title:
Study on the design mechanism of the new types of suspended formwork supporting system in constructing steel reinforced concrete girder
文章编号:
20130404
作者:
李扬1 蔡健12
1)华南理工大学土木与交通学院,广州 510641
2)华南理工大学亚热带建筑科学国家重点试验室,广州 510641
Author(s):
Li Yang1 and Cai Jian1 2
1) School of Civil and Transportation Engineering, South China University of Technology, Guangzhou 510641, P.R.China
2) State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510641, P.R.China
关键词:
型钢混凝土大梁自承式吊模体系组合式吊模体系吊模间距高跨比型钢含钢率
Keywords:
steel reinforced concrete girder self-bearing suspended formwork compounding suspended formwork space of suspended formwork height-span ratio steel proportion of steel beam
分类号:
TU 745.1
DOI:
10.3724/SP.J.1249.2013.04365
文献标志码:
A
摘要:
提出型钢梁自承重式和型钢梁组合式2种新型吊模体系构造,讨论该新型吊模支撑体系构造选择的原则、传力机理及受力分析方法.结合工程案例,分析吊模间距、型钢截面高度和跨度、型钢含钢率等关键参数对施工阶段型钢梁的最大挠度和截面最大应力的影响,为新型型钢混凝土大梁吊模体系施工技术方案的优化提供依据.分析结果表明, 型钢梁的最大挠度和截面最大应力基本不受吊模间距变化的影响,随着型钢截面高度的增大呈减小趋势,随着型钢混凝土大梁高跨比的减少呈增大趋势,随着型钢混凝土大梁含钢率的增加呈减小趋势.结合工程实践,对新型吊模体系的构件设计和参数布置进行优化和标准定型,研究可指导工程实践中的吊模体系设计.
Abstract:
Two new types of suspended formwork supporting system including self-bearing and compounding suspended formwork supporting system are provided. The new types of formwork supporting system have advantages such as clarity in the passing of force, savings in supporting material and convenience of construction. The decision principles of structures of the new types of formwork supporting system, force-passing mechanism and force analysis method are studied. Taking an actual project as an example, the effects are discussed regarding the space of suspended formwork, height, span and steel proportion of the steel beam used in the steel reinforced concrete girder on the maximum deflection and sectional stress of the steel beam during construction. This study offers a basis for optimizing the construction scheme of new types of suspended formwork supporting system in steel reinforced concrete girder. The results shows that the maximum deflection and stress of steel beam will be less affected by changing the space of suspended formwork. They tend to decrease with the increase of section height, to increase with the decrease of height-span ratio of beams, and tend to decrease with the increase of the steel proportion of steel reinforced concrete girders. The determined parameters can be used to guide the design of suspended formwork supporting system in practical work.

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备注/Memo

备注/Memo:
Received:2013-02-01;Accepted:2013-04-12
Foundation:Project of State Key Laboratory of Subtropical Building Science (x2d1c7130210)
Corresponding author:Professor Cai Jian. E-mail: cvjcai@scut.edu.cn
Citation:Li Yang, Cai Jian. Study on the design mechanism of the new types of suspended formwork supporting system in constructing steel reinforced concrete girder[J]. Journal of Shenzhen University Science and Engineering, 2013, 30(4): 365-371.(in Chinese)
基金项目:亚热带建筑科学国家重点试验室自主研究课题资助项目(x2d1c7130210)
作者简介:李扬(1973-),男(汉族),江苏省南通市人,华南理工大学博士研究生. E-mail:hzxhliyang@sina.com
引文:李扬,蔡健. 新型型钢混凝土大梁吊模体系设计机理研究[J]. 深圳大学学报理工版,2013,30(4):365-371.
更新日期/Last Update: 2013-07-11