THE ANALYSIS AND DISPOSITION OF A COLLAPSE OF THE HIGH SCAFFOLDING FOR BRACING FORMS

Zhu Shizhe; Wei Yan; Cai Jianshen

doi:10.13204/j.gyjz200909027

Volume 39 Issue 9

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2009 > 39(9): 121-123,98

Zhu Shizhe, Wei Yan, Cai Jianshen. THE ANALYSIS AND DISPOSITION OF A COLLAPSE OF THE HIGH SCAFFOLDING FOR BRACING FORMS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(9): 121-123,98. doi: 10.13204/j.gyjz200909027

Citation:

Zhu Shizhe, Wei Yan, Cai Jianshen. THE ANALYSIS AND DISPOSITION OF A COLLAPSE OF THE HIGH SCAFFOLDING FOR BRACING FORMS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(9): 121-123,98. doi: 10.13204/j.gyjz200909027

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THE ANALYSIS AND DISPOSITION OF A COLLAPSE OF THE HIGH SCAFFOLDING FOR BRACING FORMS

doi: 10.13204/j.gyjz200909027

1.
The Station of Quality and Safety Supervision of Constructions in China-Singapore Suzhou Industrial Park,Suzhou 215000,China

Received Date: 2009-02-19
Publish Date: 2009-09-20

Abstract

Abstract

Based on the collapse of the high scaffolding for bracing forms,the cause of collapse was analyzed;it was that the constructional requirements of standard were not met.The importance of vertical cross bridging of the scaffolding was analyzed by the rigid-connected and the hinged models respectively.It was found that variable geometry system had become the invariable one for the hinged model when the cross bridging was added to the scaffolding;on the other hand for the rigid-connected model,the axle force of the vertical bar was reduced by more than 25% compared with that of the one without the cross bridging.The removing scheme was discussed.The secure line was set up before the removal work began; for the collapsed in zone Ⅰ part,the concrete plate was removed firstly.At the same time the main beam and the mesh reinforcement were remained to keep the force balance.The steel wire netting was set up on the surface of the deforming scaffolding in zone VII to strengthen the scaffolding.At last,the removal sequence of the whole structure was determined and the collapsed part was removed smoothly.
- high scaffolding for bracing form,
- collapse,
- cross bridging,
- removal sequence

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References(5)

References

刘家彬,郭正兴.扣件钢管架支模的安全性[J].施工技术,2002,31(3):9-11.

[2] 金伟良,鲁征,刘鑫,等.支模架施工安全性的评价研究[J].浙江大学学报(工学版),2006,40(5):801-803.

[3] 路殿成,高山.扣件式钢管脚手架施工中的安全问题[J].辽宁工程技术大学学报,2003,22(4):551-552.

[4] JGJ 162-2008建筑施工模板安全技术规范[S].

[5] 胡凯山.扣件式钢管模板支撑架结构力学性能研究[D].杭州:浙江大学,2007:10-15.

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