1) pressure keeping concrete pouring
保压浇筑混凝土
1.
Two types of water distribution units and volute adopt the pressure keeping concrete pouring methods and abolish the elastic cushion between the volut.
两种类型机组的配水环管和蜗壳均采用保压浇筑混凝土施工的方法,取消蜗壳与混凝土之间的弹性垫层,使蜗壳与混凝土紧贴,减小机组运行中的振动,减小蜗壳内水压力对混凝土的作用力,增加安全裕度。
2) pressure retaining concrete placement
保压混凝土浇筑
3) surrounding concrete
保压浇混凝土
1.
3-D FEM analysis for surrounding concrete of steel spiral case keeping internal pressure during construction;
水电站蜗壳保压浇混凝土结构的三维仿真分析
4) Concrete placement
混凝土浇筑
1.
The key point of concrete construction in Cihe invert siphon project are the vertical transportation of pipeline concrete placement and the construc tion of moid plate procesa Through comparing with similar engineering and analyzing the real situation, the vertical transportation and mold plate construc- tion are determined after systematic verificatioa.
磁河倒虹吸工程混凝土施工的关键点在于管身段混凝土浇筑的垂直运输及模板工艺的施工。
2.
How to prevent and handle the aggregate segregation should be a key to insure the quality of concrete placement.
三峡二期厂坝混凝土采用塔带机入仓浇筑,具有入仓强度高,覆盖面积大,连续均匀布料等优点;但混凝土通过100～400 m的供料线和塔带机运至仓面,混凝土骨料分离现象难于避免;如何预防与处理混凝土骨科分离是保证大坝混凝土浇筑质量的关键。
5) concrete casting
混凝土浇筑
1.
According to the characteristic of the construction technology of special-shaped underground continuous wall,this article elaborated each step from construction preparation,survey,dredging,erection of reinforcement cage,concrete casting to wall forming,further briefly introduced the quality control measures and emergency treatment methods.
本文根据异型地下连续墙施工技术的特点,并结合工程实例,对施工准备、测量、挖槽、钢筋笼吊装、混凝土浇筑到成墙各个施工步骤进行了详细阐述,对施工中的质量控制措施和应急处理措施作了扼要介绍。
2.
This paper introduces the application situation and application results of MNC-A3 high-performance early strengthening agent in concrete casting works of a certain housing estate.
介绍了MNC-A3高效早强剂在某小区混凝土浇筑工程中的应用状况及应用效果。
3.
Based on the analysis results,the main issues in the design and construction were studied,such as structure style choice,joint design,concrete casting and so on.
本文结合工程实例,简要论述钢管混凝土张弦结构的设计过程,通过对比分析对设计和施工过程中的关键问题,如结构选型、节点连接、混凝土浇筑等进行了较为深入地论述,最终得到了一些有益的结论。
6) concrete pouring
混凝土浇筑
1.
The arithmetic of 2D column drawing and 3D perspective drawing of the concrete pouring for arch dam are studied in this paper.
研究了拱坝混凝土浇筑的二维柱状图和三维透视图的算法,以及混凝土浇筑的计算机图形处理,通过对拱坝混凝土浇注的计算机模拟,动态地描述拱坝混凝土施工进程。
2.
Key points of construction technology are emphasized in this text,such as sorting out of beam characteristic parameter,desigh and operating technology of pedestal and formwork,concrete pouring,pre-tension and post-tension construction,etc.
该文结合大型预应力箱梁工厂化预制施工中的实践经验,针对该类构件预制施工中的主要难点进行了分析总结,重点介绍了梁型特征参数翻样、生产台座和模板的设计及操作工艺、混凝土浇筑、先后张预应力施工等关键技术。
3.
In this article,the author introduces some technologies used in Tanghe inverted siphon body construction,such as formwork technology,steel bar connection technology,water stop strap installation technology,construction joints settlement and concrete pouring method.
介绍唐河倒虹吸管身混凝土施工过程中的模板技术、钢筋连接新技术、止水带安装、施工缝留置及混凝土浇筑方法。
补充资料：混凝土浇筑
混凝土浇筑
concrete placement
到浇筑面之间的距离小于2.0米;③控制浇筑瘾度;一④消除浇筑过程中浮出表面的水分盯⑤在悯鹅洲厚面高计上并柱礼钟狮杆封时叼注右级新得凝土，一表1混凝土浇筑层的允许最大厚度┌─────────────┬───────────┐│一振一捣一器类别 │_侥筑层的允许最大厚度 │├───┬─────────┼───────────┤│令 │电动_一风动振捣器-│振捣器工帐度的。一8倍 ││ ├─────────┼───────────┤│ │漱嘛捣器- │翩器头长度ghl.25倍 │├───┼─────────┼───────────┤│表鸽一│金杯娜和单蜘筋结狮│卜2沁毫米-- ││面一_ ├─────────┼───────────┤│一烬器│在双房钠筋结构中_ │120毫米 │└───┴─────────┴───────────┘表公浇筑混凝土的允许间歇时间20一30工O一205一10 允许间普通硅酸盐水泥 9O 135 195-歇时间份)矿渣硅酸盆水呢及火山灰质硅酸盐水泥I即招O粼{粼撰
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参考词条