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- Discussion is made on the characteristics of pumping conrete, the ratios of culling or assorted of the raw materials, especially in the construction techniques of pumping concrete. 介绍了泵送砼的特点、原材料的选择和配合比,并重点阐述泵送砼施工工艺以及注意事项。
- This paper analyzes the characteristics of large pump concrete and the cause of Concrete crack, provides corresponding prevention measures. 摘要文章分析泵送混凝土特点及大体积混凝土裂缝产生的原因,提出防治措施。
- By using 42.5MPa ordinary Portland cement and water reducing agent, high flowing pump concrete with strength class of C60 and slump of 180mm is produced. 采用42.;5MPa普通硅酸盐水泥和高效减水剂配制出抗压强度等级为C60、坍落度在180mm左右的高流态泵送砼。
- Prevention Of Pumping Concrete Crack 泵送砼裂缝的防治
- The paper states that the plastic cracks after shaped the pumping concreting divides into plastic settlement crack and plastic shrinkage crack. 本文阐述泵送混凝土浇筑成型后产生的塑性裂缝,分为塑性沉降裂缝和塑性收缩裂缝。
- Technology on pumping concrete pile by auger boring 螺旋钻孔泵压混凝土桩技术
- high performance pumping concrete 高性能泵送混凝土
- At present, excessive pumping concrete, pumping concrete in order to ensure the availability of pumps, pumping concrete, often adding an appropriate amount of air-entraining agent. 目前泵送混凝土用量过大,为了保证泵送混凝土的可泵性,往往在泵送混凝土中加入适量的引气剂。
- Concrete mixture is something like general Bingham materials.The pumped concrete can be considered as Bingham material flows along pipe under thrusting force. 混凝土拌和物类似于一般宾哈姆体,泵送混凝土可认为是宾哈姆体在推力作用下沿管道的流动。
- Compounding of Pump Concrete Used on Well Wall 高流态井壁混凝土的配制
- Blood is pumping out of his belly like a fountain. 血像喷泉似地从他的腹部涌出。
- A test and study on pumping concrete downward with Large Fall 大落差向下泵送混凝土试验研究
- The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
- Blood was pumping out of his belly like a fountain. 血像喷泉似地从他的腹部涌出。
- Her heart was pumping very fast. 她的心脏跳得很快。
- We need a hoist to lift the concrete blocks. 我们需要一台起重机来吊起混凝土块。
- He was pumping away the whole day. 他整天忙着用唧筒抽水。
- The machine rests on a bed of concrete. 机器安装在混凝土基座上。
- Study and Application of Pumping Concrete of Low Strength Level 泵送低强度等级混凝土的研究与应用
- Construction technique of lift-up of pump concrete 混凝土泵送顶升施工技术