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。
2
The flow pattern of ideal fluid, dense floating fluid and wet concrete in conveying tube are briefly analyzed in this paper. The calculation of pumping resistance is also introduced.
本文对理想流体、浓浮流体和混凝土在输送管道中的流动形态，进行了扼要分析，并对泵送阻力运算作了概述。
3
P74 Conveyingof most building concrete from the mixer or truck to the form is done in bottom-dump buckets or in wheelbarrows or buggies or by pumping through steel pipelines.