大跨度密肋梁后张法无粘结预应力施工工法  

LARGE-SPAN BEAMS RIBBED UNBONDED PRESTRESSED POSTTENSIONED CONSTRUCTION METHOD

作　　者：骆利锋[1] 

机构地区：[1]杭州建工集团有限责任公司,杭州310013

出　　处：《建筑技术开发》2014年第11期34-38,共5页Building Technology Development

摘　　要：大跨度密肋梁后张法无粘结预应力施工工法适用于大跨度、大空间和荷载较大的建筑,采用拉钩定位钢筋并按标记的高程进行定位可在该工法预应力筋布设方面有所突破,具有极大施工便利及质量控制优势。Post-tensioning and prestressing without bond construction method for large-span multi-ribbed beam is applicable to buildings having large span,large space and heavy load.This construction method realizes breakthrough on the aspect of prestressed steel paving,through steel positioning by hook pulling based on the marked elevation.This method has very convenient construction and effective quality control.

关 键 词：无粘结预应力 拉钩定位钢筋 密肋梁 

分 类 号：TU757.14[建筑科学—建筑技术科学]