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1)  vacuum-assisted grouting technology
真空辅助压浆技术
1.
The article details the principle, engineering method, technical features and quality requirement of vacuum-assisted grouting technology combining with the practical use of it in the engineering of Qianshan Road Bridge of Hefei.
真空辅助压浆技术,可以很好地提高压浆质量,全面提高预应力筋的防护功能,最终达到提高预应力构件耐久性和安全性的目的。
2)  assisted mud-jack in void
真空压浆辅助技术
1.
Based on the pre-stressed bridge construction,the technology of construction and attentive proceedings of the assisted mud-jack in void during construction was obtained.
通过桥梁预应力施工工程实践,总结出真空压浆辅助技术施工工艺及施工中的注意事项。
3)  vacuum grouting
真空辅助压浆
1.
The prestressing duct vacuum grouting workmanship is an effective measure for improving the safety and durability of the post-tensioning concrete structures.
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。
2.
The vacuum grouting technique has advantages over that of conventional grouting.
真空辅助压浆技术克服了传统压浆技术的缺点。
3.
To make up for past conventional channels prestressed grouting technology gaps and improve the quality of pore grouting,new technologies of vacuum grouting on post-tensioned prestressed pore are used.
后张法预应力桥梁在投入使用一段时间后,会发现在预应力波纹管位置的混凝土表面出现渗水、钢筋锈迹以及波纹管位置的混凝土碳化程度大等病害,这主要是由于孔道压浆不饱满、浆体密实度不够引起,为弥补已往常规桥梁预应力孔道压浆工艺存在的不足,提高孔道压浆质量,采用真空辅助压浆新技术对后张法预应力孔道进行压浆,这项技术使得压浆后浆体盈满孔道,密实程度高。
4)  vacuum aid grouting
真空辅助压浆
1.
The prestressing technology and vacuum aid grouting technology for precasting 70 m span box girders of East sea Bridge is discussed in this paper.
阐述70m箱梁预制过程中的预应力张拉和真空辅助压浆技术
2.
Principle of vacuum aid grouting technology is based on common grouting process,using vacuum pump to absorb air in tiny cavity,forming 0.
真空辅助压浆工艺的原理是在普通压浆工艺基础上 ,采用真空泵排除孔内空气 ,使孔道内形成负压0。
5)  vacuum assistance injection
真空辅助压浆
1.
The application of vacuum assistance injection in post-tensioned structure;
真空辅助压浆在后张法预应力结构中的应用
2.
The application of vacuum assistance injection technique in bridge engineering
真空辅助压浆技术在桥梁建设中的应用
6)  vacuum assisted grouting technology
真空辅助压浆法
补充资料:辅助活塞式铸压
分子式:
CAS号:

性质:是传递模塑的一种,也可称为活塞式铸压(plunger moulding)。其特点是所用压机具有两个液压操纵的活塞,分别称为主活塞和辅助活塞。前者用作锁紧模具,后者用作挤压塑料。模塑时,主活塞锁紧塑模的力至少应比分离塑模的力(等于阴阳模分界面上制品、分流道和主流道等截面的总和与塑料承受压力的乘积)大10%

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