2) vertical pre-stressed duct
竖向预应力孔道
1.
The weakening of web sections by vertical pre-stressed ducts on two actual pre-stressed concrete continunous box girder bridges is analyzed.
以两座预应力混凝土连续箱梁桥为工程背景,分析竖向预应力孔道对腹板截面的削弱。
3) transverse prestress duct
横向预应力孔道
4) bidirectional prestress bar
双向均布预应力筋
5) prestressed duct
预应力孔道
1.
To counter the insufficiency of numerical analysis for long-span bridge pier top block,study of key factors of the numerical analysis such as unit selection,mesh generation,mesh density,model simplification, prestressed duct effects,and submodel selection scope was carried out.
针对目前大跨径桥梁墩项块数值模型建立及分析方法上的不足,研究了大跨径桥梁墩顶块数值分析的单元选择、网格划分、网格密度、模型简化、预应力孔道影响及子模型选取范围等关键问题。
2.
Before prestressed duct grouting,using vacuum pump to exhaust air in the duct,made the duct a vacuum status,then using grout machine to pour cement mortar in the prestressed duct to ensure the saturation and compaction of cement mortar,the final construction quality can be guaranteed.
在向预应力管道内压浆前,利用真空泵抽吸管道内空气,使管道内基本达到真空状态,同时利用压浆机将水泥浆压入预应力孔道,从而保证孔道内水泥浆的饱满度与密实度,最终施工质量得到保证。
6) bidirectional post-tensioned prestressed track board
双向后张预应力轨道板
补充资料：瘦筋筋
1.见"瘦精精"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条