According to the rheology theory, flow characteristics and pressure fluctuation of pumped concrete in conveying pipe are analyzed.
从流变学原理出发，分析泵送混凝土在输送管道内的流动特性和压力变化情况。
The concrete construction technology for permanent drainage gallery of Xilongchi Pumped Storage Power Station upper reservoir is introduced herein.
详细地介绍了西龙池抽水蓄能电站上水库库底永久排水廊道混凝土的施工技术。
The concrete are pre-mixed concrete, delivered to site with mixer car and then pumped into forms. The paving thickness shall be 15~20% higher than the designed value.
混凝土采用预拌混凝土，混凝土用搅拌运输车送至施工现场后用混凝土输送泵压送至模板内，其摊铺厚度应高于设计厚度15～20%。
Mixing admixture in the pumped concrete can increase the mobility of mixture and reduce pumped concrete slump loses through time.
在泵送混凝土中掺外加剂，能增加拌合物的流动性并降低泵送混凝土坍落度经时损失。
The conclusion of this paper have very important vital instructive function about the mix ratio of pumped concrete of concrete filled steel tubular arch bridge.
本文得出的结论对钢管泵送混凝土配合比设计具有重要的指导作用。
How to determine the scheme of PCC (pumped concrete construction) is one of important subjects in the design on high-rise buildings construction organization.
如何科学地制订混凝土泵送施工方案是高层建筑施工组织设计的很重要的内容之一。
The key to adopting pumped concrete lifting technology for core concrete of steel pipe concrete columns is to prepare self compacting concrete.
钢管混凝土柱的核心混凝土采用泵送顶升工艺施工的关键是配制自密实混凝土。
The reinforced concrete face slab for the upper reservoir of the Shisanling Pumped Storage Power Station is a structure under bitter cycle of freezing and thawing.
十三陵抽水蓄能电站上水库的钢筋混凝土面板是一种在严酷冻融循环条件下运行的钢筋混凝土结构。
The paper focuses on the adjustable reversible form and its support system and the pumped concrete technology for high thin-walled hollow piers of Lujianian Bridge.
重点阐述了陆家埝大桥薄壁空心高桥墩双曲可调模板及支架系统以及泵送混凝土施工工艺。
Experiment results showed that compound use of efficient water-reducing admixture and retarding agent can efficiently control the pumped concrete slump loses through time.
试验结果表明，复合使用高效减水剂和缓凝剂，能有效控制混凝土坍落度经时损失。
In Jiangsu Shahe Pumped-storage Power Plant, both main dam and auxiliary dam of upper reservoir are rockfill dam with concrete slab.
江苏沙河抽水蓄能电站上水库主、副坝为混凝土面板堆石坝。
Technical problems in compounding the pumped high-property concrete filled steel tube are stated.
阐述了配制高性能泵送式桥梁钢管混凝土需要解决的技术问题。
Technical problems in compounding the pumped high-property concrete filled steel tube are stated.
阐述了配制高性能泵送式桥梁钢管混凝土需要解决的技术问题。
应用推荐