从工程实例出发，分析了后张预应力混凝土梁锚下混凝土裂缝产生的原因和处理方法。
By the engineering example, the reason and the treatment method of the concrete crack under anchorage device of post-tensioned concrete beam are analyzed.
预应力管道真空辅助压浆工艺是提高后张预应力混凝土结构安全度和耐久性的有效措施。
The prestressing duct vacuum grouting workmanship is an effective measure for improving the safety and durability of the post-tensioning concrete structures.
后张预应力混凝土空心板是一种高效预应力空心板，目前国内尚未对其结构性能进行系统研究。
Post tensioned prestressed concrete hollow slab(PTPCHS) is one of high strength prestressed concrete hollow slab, and its construction performance is still unknown yet.
真空压浆是后张预应力混凝土结构施工中的一项新技术，已经越来越广泛地应用于工程实践中。
Prestressed construction technology of the box girder concrete of the bridge and the vacuum grouting technology;
基于两榀接近足尺的后张有粘结预应力混凝土框架的试验，对多跨预应力框架的内力重分布进行了研究，重点考虑了框架的连续性和轴压比的影响。
Based on tests of two full-scale double-span prestressed frames, internal force redistribution of frame was studied and continuity of structures and axial compression ratio of column were analyzed.
采用弹性理论方法，建立了预应力碳纤维布加固钢筋混凝土梁在放张和承载后界面剪应力的理论计算模型。
A calculation model for the interfacial shear stress of the reinforced concrete beam strengthened with prestressed CFRP sheets was built based on the elasticity theory after releasing and loading.
不同的连续端混凝土浇筑和后连续预应力张拉顺序会导致永久支座负弯矩区的压应力储备不同。
The cast of concrete at different end and the post-tensioning of continuous prestress make the negative bending moment section of the permanent support have different compressive stress reservation.
后张法预应力混凝土梁板在张拉施工过程中，经常会出现一些施工病害。
Some diseases usually appear in the tension construction of post-tensioning prestressed concrete beam slabs.
本文主要介绍了专桥2119后张法预应力混凝土桥梁的施工方法。
This paper introduces the constructing method of rear - spreading prestressed concrete in Bridge 2119.
本文通过工程和理论总结概述了后张有粘结预应力混凝土施工中质量与安全控制的要点。
Through engineering practice and theoretical analysis, the key points of quality and safe control in bonded post-tensioned pre-stressed concrete construction was presented in this paper.
裙房大跨度屋盖采用了后张有粘接预应力混凝土井字梁楼盖结构，设计时考虑了次弯矩的影响。
The post tensioned bonded prestressed square-crossing beams are applied in larger span roof design of podium, and secondary moments are considered in design.
后张法预应力混凝土I形梁预制张拉时，易产生侧向位移，影响梁片的安装、使用和安全。
When the precast I beam is tensioned, the lateral displacement tends to take place and will affect the installation, application and safety of the beam.
后张法预应力混凝土I形梁预制张拉时，易产生侧向位移，影响梁片的安装、使用和安全。
When the precast I beam is tensioned, the lateral displacement tends to take place and will affect the installation, application and safety of the beam.
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