BENDING TEST AND CRACK CALCULATION OF BI-STEEL CONCRETE BEAM

Ni Guowei; Jiang Dengling; Chen Juannong; Qi Jiarui

doi:10.13204/j.gyjz200906015

Volume 39 Issue 6

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2009 > 39(6): 59-64

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Citation:

Ni Guowei, Jiang Dengling, Chen Juannong, Qi Jiarui. BENDING TEST AND CRACK CALCULATION OF BI-STEEL CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(6): 59-64. doi: 10.13204/j.gyjz200906015

Citation:

Ni Guowei, Jiang Dengling, Chen Juannong, Qi Jiarui. BENDING TEST AND CRACK CALCULATION OF BI-STEEL CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(6): 59-64. doi: 10.13204/j.gyjz200906015

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BENDING TEST AND CRACK CALCULATION OF BI-STEEL CONCRETE BEAM

doi: 10.13204/j.gyjz200906015

1.
1. Hebei Polytechnic University,Tangshan 063009,China;
2.
2. Earthquake Engineering Research Center of Hebei,Tangshan 063009,China

Received Date: 2009-09-20
Publish Date: 2009-06-20

Abstract

Abstract

A bi-steel ladder framework is formed by two parallel longitudinal reinforcements and short transverse reinforcements plumbing longitudinal reinforcement.In theory adopting bi-steel technique can improve bonding function between reinforcement and concrete and decrease width and space of cracks of bending member,thus producing fine cracks appear slight and dense.However,at present bi-steel is made from cold-drawn wire or cold-rolled ribbed steel,and is often used in some members such as small span one-way concrete slab,lintel and stairs.The study on bisteel made of Ⅲ grades big-diameter hot rolled ribbed steel has not been reported at present in China and abroad.In order to take enough advantage of bi-steel and extend application,it is analyzed the bi-steel structure which is welded by hot rolled ribbed steel,and emphasized the methods of calculating the cracking and deformation,and also analyzed the feature of cracking completely.At the same time,it is presented the suggested formula of calculating cracks on a bi-steel concret structure with hot rolled ribbed steel by the observation and theoretical analysis.A nice technical and economic benefit may be got by comparing it with common beam.
- bi-steel,
- cracking,
- reinforced concrete

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References(7)

References

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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BENDING TEST AND CRACK CALCULATION OF BI-STEEL CONCRETE BEAM

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BENDING TEST AND CRACK CALCULATION OF BI-STEEL CONCRETE BEAM

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