The essence of concrete framework theory is to deduce the cement dosage of unit volume concrete from frame-mortar ratio, unit water dosage and deviated function of cement-sand ratio.
混凝土架构设计理论的实质，是通过架浆比、单位用水量以及砂灰比偏离三个参数推求单位水泥用量的过程。
2
The result indicates that the discharge per unit width, the sediment concentration, the grain size of sand influences the depth of scour hole.
试验结果表明：浑水水流的单宽流量大小、含沙量的多少以及含沙粒径的变化都对冲刷坑深度有一定的影响。
3
When in operation, the unit is generally installed together with other machines to form resins self hardening sand reclaiming line.