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- According to three post prestressed concrete continuous box girders,this paper investigates the duct grouting compactness by field inspection. 为了解后张法预应力混凝土连续箱梁孔道压浆问题,以3座后张法预应力混凝土连续箱梁为工程背景,采用现场调查方法对箱梁后张法预应力孔道的压浆问题进行了调查研究。
- During the removing of two post-tensioning PC continuous bridges,their duct grouting is investigated and some prestressed strands are collected. 在两座后张法PC连续梁桥拆除过程中,现场调查得到了该两座桥的预应力孔道压浆情况和预应力钢绞线试样。
- Due to the reducing the bleeding rate and shrinking rate of cement grout and increasing the compactness of the duct grouting,the safety and durability of prestressed concrete structure are improved. 真空辅助灌浆工艺是后张有粘结预应力混凝土结构施工中的一项新技术,采用该工艺施工有利于减小被灌水泥浆的泌水率和收缩率,增强孔道灌浆的密实度,从而达到提高预应力混凝土结构的安全度和耐久性的目的。
- It is concluded that the duct grouting compactness of three bridges are poor,in which the sections without grouting in transverse and longitudinal ducts are 14.5% and 47.58% respectively. 调查结果表明;3座桥梁的孔道压浆密实程度均较差;其中梁体纵向、横向预应力孔道中无压浆的截面分别占调查总数的14.;5%25和47
- Construction Quality Control of Prestressed Duct Grouting 预应力孔道压浆的施工质量控制
- Construction Technology for Duct Grouting by Vacuum Method 真空辅助压浆施工工艺
- Application of small duct grouting technique in tunnel engineering 小导管注浆技术在隧道工程中的应用
- Vertical prestressed duct grouting of reinforcement in box beam construction 箱型梁竖向预应力钢筋孔道抽水注浆方法
- Investigation of Duct Grouting Compactness of Post-prestressed Box Girder 后张法箱梁孔道压浆密实程度调查
- Discussion on some problems development of duct grouting with post-tensioning method 后张法孔道压浆工艺若干问题探讨
- The Application of the New Technique of Prestressed Plastic Duct Grouting with the Addition of Vacuum 塑料波纹管留孔真空辅助压浆新技术的应用
- Carrying down or away. Used of a duct or vessel. 传送的指通过导管或管道传送下来的或输送的
- Construction Technology of Foreign Countries for Duct Grouting with Post-Tensioning Method 国外后张法孔道压浆工艺的介绍
- Investigation of Duct Grouting and Analysis of Steel Wire Behavior of an Actual Post-Tensioned Concrete Bridge 实桥预应力孔道压浆调查和钢丝性能分析
- Duct Grouting Investigation and Research on Mechanical Properties of Steel Strand in PC Continuous Bridges PC连续梁桥孔道压浆调查及钢绞线力学性能研究
- Technique of duct grouting by vacuum method for bridge construction on Tongling Road in Hefei 合肥市铜陵路桥真空辅助压浆施工技术
- The application of pre-stress and duct grouting technology in roof truss construction 预应力张拉与孔道灌浆在屋架施工中的应用
- A duct often contains cross braces. 管道内往往是有支撑拉条。
- A tube or duct for enclosing electric wires or cable. 线管包裹电线或电缆的管子或沟道
- Color epoxy grout system and method for use. 彩色环氧灰浆系统和其使用方法。
