施工实践证明，底孔压浆混凝土强度高于普通混凝土强度。
The construction practice proves that the grouted concrete strength higher th an the normal concrete strength.
对压浆混凝土存在的强度偏低现象进行了研究，指出了泌水量大是压浆混凝土强度较低的主要原因。
This paper studies the reasons for low strength of post- placed aggregate concrete, and points oat that great bleeding is the main reason for low strength of the concrete.
介绍钻孔压浆成桩法在第四纪粘土地层大口径斜桩施工中的应用情况，为无砂混凝土斜桩成桩施工提供了一定的方法和经验。
The drilling pressure slurry used in construction of big gauge slant piles is introduced. It provides methods and experience for slant pile of concrete without sand.
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.
文章通过工程实践，详细介绍了钢筋混凝土灌注桩后压浆提高承载力的原理。
After construction practice, the author has introduced in detail the principle of raising the bearing power by pressing after grouting with armored concrete.
介绍了高原高寒地区预制桥梁施工过程中混凝土施工、梁体养护、张拉压浆等的质量控制技术。
The paper introduces quality control technologies for concreting work, curing of beams, stretching and pressure grouting in the course of bridge precasting in the frigid plateau region.
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;
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁，纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
结合工程实例对投石压浆无砂混凝土小桩复合地基的设计原理和施工工艺进行了综合分析 ，并强调施工中应注意施工现场的质量管理和质量核验 。
The principle and technical requirement of throwing stone and pressing mud concrete pile are described, and its actual application to the compound foundation is introduced.
结合工程实例对投石压浆无砂混凝土小桩复合地基的设计原理和施工工艺进行了综合分析 ，并强调施工中应注意施工现场的质量管理和质量核验 。
The principle and technical requirement of throwing stone and pressing mud concrete pile are described, and its actual application to the compound foundation is introduced.
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