Reasons caused the cracks of prestressed concrete bridge are analyzed.
分析了预应力混凝土桥梁裂缝的成因；
The stiffening beams of the side spans are prestressed concrete box beams.
主跨加劲梁为钢箱梁，边跨加劲梁为预应力混凝土箱梁。
It is suitable for prestressed concrete components with different degrees.
对于任意程度的预应力混凝土构件均适用。
Prestressed concrete hollow-core slab is a widely used structural element.
预应力圆孔板是被广泛采用的一种楼面构件。
The ductility can be improved by adopting partial prestressed concrete section.
采用部分预应力混凝土截面能有效改善延性。
The prestressed concrete voided slab is liable to produce crack in construction.
预应力混凝土空心板在施工过程中，易产生裂缝。
The unbonded prestressed concrete flat beam frame can meet the aseismic requirement.
无粘结预应力混凝土扁梁框架应当可以满足抗震要求。
The paper expounded a method to analyzing B parts stress of portion prestressed concrete.
阐述一种分析部分预应力混凝土B类构件应力的方法。
The successful alternative was the cast-in-place segmental prestressed concrete box girder.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
Technical consultant for the manufacture of big span prestressed concrete reiteration plate.
为大跨度预应力钢筋混凝土叠合板生产技术咨询。
The successful alternative was the cast - in - place segmental prestressed concrete box girder.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The successful alternative was the cast - in - place segmental prestressed concrete box girder .
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The prestressed tension is an important part of the prestressed concrete component construction.
预应力张拉是预应力混凝土构件施工的重要环节。
Unbonded prestressed concrete flat beam floor is widely applied in the structures above mentioned.
无粘结预应力混凝土扁梁楼盖在高层、大跨建筑中广泛应用。
Research purposes: Creep of concrete has significant influence for prestressed concrete structures.
研究目的：混凝土的徐变对预应力混凝土结构的影响不容忽视。
This paper introduces the constructing method of rear - spreading prestressed concrete in Bridge 2119.
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。
The analytical results for strength and behavior of unbonded prestressed concrete beams were presented.
给出了无粘结预应力混凝土梁强度和受力性能的分析结果。
The given force concrete should be included in prestressed concrete, but with its character and advantage.
予力混凝土应包括在预应力混凝土内，但它具有其特点和优点。
This paper presents a finite element method of analyzing the secondary forces of prestressed concrete bridge.
本文提出了预应力混凝土桥梁结构弹性工作阶段的有限元分析方法。
With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.
预应力混凝土箱梁以其优良的截面性质在梁桥中占据了主要地位。
This paper briefly discusses the development and application of prestressed concrete oval digestion tank in China.
本文概述了预应力混凝土蛋形消化池在我国的开发和应用情况。
Based on the extensive application of prestressed concrete technique in highway bridge during half a century in China.
我国近半个世纪以来。预应力混凝土技术在公路桥梁建设中已广泛应用。
The joints synthesize advantages both of concrete-filled steel tubular core columns and of prestressed concrete beams.
该节点综合了钢管混凝土核心柱和预应力混凝土二者的优点。
A new kind of reinforced concrete (including prestressed concrete) frame structure with diagonal member is put forward.
提出了一种带腋撑的新型钢筋混凝土(含预应力混凝土)框架结构。
The calculation of chloride diffusion coefficient in prestressed concrete structures eroded by chloride ion is discussed.
针对氯盐侵蚀的预应力混凝土结构，讨论了氯离子扩散系数的计算。
The technique of prestressed concrete is already to get in our civil engineeringrealm more and more extensive application.
预应力混凝土技术已经在我国土木工程领域得到了广泛的运用。
Thereby difficult problem that we test relaxation ratio of prestressed concrete steel wire for 1000 hours has been solved.
此法成功地用于生产中，从而解决了预应力钢丝1000小时松弛率检验的难题。
It is conducted a scheme comparison between prestressed concrete floor and plain concrete floor for an underground garage.
对地下车库预应力混凝土楼盖与普通混凝土楼盖的方案进行了比较。
The technology demand and criterion of prestressed concrete structure and stranded wire selection and so on are put forward.
同时对预应力混凝土结构、钢绞线选择等方面提出技术要求和技术规范。
The technology demand and criterion of prestressed concrete structure and stranded wire selection and so on are put forward.
同时对预应力混凝土结构、钢绞线选择等方面提出技术要求和技术规范。
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