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1)  vacuum grouting
真空压浆
1.
Prestressed construction technology of the box girder concrete of the bridge and the vacuum grouting technology;
某桥箱梁混凝土预应力施工及真空压浆技术
2.
For the example of Luohe Bridge,the paper introduced the applications of vacuum grouting technique to Lijun Expressway.
后张法预应力钢绞线的耐久性是桥梁使用的关键,普通的压浆技术对长预应力孔道压浆的密实性较难控制,而采用真空压浆技术能有效地提高孔道压浆的饱满度和密实性。
3.
Connecting with the experiences of the grouting construction of prestressed continuous RC beam, this paper expounds the advantages, construction techniques, methods and existing disadvantages of vacuum grouting.
结合预应力连续钢筋混凝土箱梁压浆施工中的经验,阐述了真空压浆的优点、施工工艺、方法及存在的缺点。
2)  vacuum mud jacking
真空压浆
1.
The vacuum mud jacking is the new technology in a pre-stressed construction concrete structure,and it has been already more and more widely applied in the project practice.
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。
2.
Uses the plastic corrugated pipe and the vacuum mud jacking construction craft is the new craft which south the Xiamen success main road rotary island road multi-level crossing bridge superstructure box Liang constructs, the union tradition construction craft introduces this new craft the merit and the scene construction method.
采用塑料波纹管与真空压浆施工工艺是厦门市成功大道环岛南路立交桥上部结构箱梁施工的新工艺,结合传统的施工工艺介绍该新工艺的优点和现场施工的方法。
3)  vacuum mud-jacking
真空压浆
1.
The article mainly discusses the principle,advantages and construction technology of the vacuum mud-jacking technique,and the gist of the construction control,and probes into the hole mud-jacking technique of post-tensioned prestressed structure of the round tank wall.
该文主要论述了真空压浆技术的原理、优点、施工工艺和施工控制要点,并探讨了圆形池壁后张法预应力结构孔道压浆技术。
4)  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。
5)  technology of presses syrup in vacuum
真空压浆工艺
1.
It utilizes advanced technology of straight screw thread joint,scientific concrete mix proportion of HPC,advanced technology of presses syrup in vacuum in construction.
深圳湾公路大桥(深圳侧通航孔桥)主塔为变截面单索面独斜塔,根据其设计要求及施工特点,施工中采用液压自爬模,直螺纹连接技术,高性能砼配比,真空压浆工艺等。
6)  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。
补充资料:水平带式真空洗浆机
分子式:
CAS号:

性质:一种洗浆设备。过滤面由一条(或两条并排)无端的橡胶滤带(紧贴在真空吸滤箱板面上沿水平面移动)和一条无端的滤网组成。橡胶滤带套在传动辊和尾辊上,由传动辊带动。在两辊之间的上方过滤面上,滤网与滤带重叠在一起,由滤带牵引,在滤网和滤带的下方回程中滤带滤网分开,分别进行清洗,除去黏附的细小纤维和化学沉积物。纸浆由泵送入流浆箱,通过堰板均匀分布在滤网的全幅上,从而获得厚度均匀的浆层。当滤网上的浆层通过真空吸滤箱时,在重力和真空抽吸作用下进行浓缩和多段逆流置换洗涤。该设备具有结构简单、操作方便、造价低廉、占地面积小、洗涤效率高等优点。中国多用于洗涤硫酸盐法稻麦草浆、苇浆等,效果较好。

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