山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2012年
14期
104-105
,共2页
后张法预应力%大跨度%钢绞线%伸长值
後張法預應力%大跨度%鋼絞線%伸長值
후장법예응력%대과도%강교선%신장치
post-tensioning prestress%large span%steel strand%extension value
简要介绍了后张预应力施工工艺流程、预应力材料、张拉设备及预应力施工要点，阐述了预应力施工中预应力伸长值计算与修正方法，从而了解了后张法预应力施工方法在大跨度混凝土结构工程中的应用，对同类工程施工具有指导意义。
簡要介紹瞭後張預應力施工工藝流程、預應力材料、張拉設備及預應力施工要點，闡述瞭預應力施工中預應力伸長值計算與脩正方法，從而瞭解瞭後張法預應力施工方法在大跨度混凝土結構工程中的應用，對同類工程施工具有指導意義。
간요개소료후장예응력시공공예류정、예응력재료、장랍설비급예응력시공요점，천술료예응력시공중예응력신장치계산여수정방법，종이료해료후장법예응력시공방법재대과도혼응토결구공정중적응용，대동류공정시공구유지도의의。
The paper briefly introduces the construction craft procedure, the prestressed materials, the tension equipment, and the prestressed construction points of the post-tensioning prestress, illustrates the calculation of the prestressed extension value and the correction methods, so as to understand the application of the post-tensioning prestressed construction methods in the large-span concrete structure projects, so it has some directive significance for the similar engineering construction.
