1) back fill of pipe trough
管槽回填
2) Trench backfill
沟槽回填
1.
Analysis is made of the source of thermal powdered slag and its engineering properties, with several trial road sections in some practical projects, where this kind of slag is used for the trench backfill.
对热焖粉化钢渣的材料来源以及工程特性进行了分析 ,并通过非机动车 4号线埋管工程、肇嘉浜路、北虹路排管工程等试验路的实际应用 ,对热焖粉化钢渣作沟槽回填材料进行试验研究 ,并对其化学稳定性和胶凝特性机理进行了探
2.
Introduced here is the engineering application of the heat-stewed steel slag to replace sand for trench backfill, which has greater benefits technical, economic and social, and is worthy of popularization.
本文介绍了在沟槽回填中 ,采用热焖粉化钢渣代替黄砂的工程应用研究 ,取得了较好的技术效益、经济效益和社会效益 ,具有一定的推广应用意义。
3) pool back-fill
深槽回填
1.
2-D numerical simulation of water level at Yichang maintained by river bottom protection and roughness addition and pool back-fill;
二维数值模拟护底加糙及深槽回填维护宜昌水位的效果
4) pipeline backfill
管道回填
5) backfill-conduit
回填管
1.
For high-head and long-distance head conduit of hydroplant,using backfill-conduit form can reduce project cost and accelerate construction progress obviously.
高水头、长距离引水的水电站压力管道采用回填管形式可明显地降低工程造价,加快施工进度;同时,回填管回填土石后,能够恢复原来植被,保护生态环境,且较适于地形坡度小于20°地面布置。
6) backfilling of pipe canal
管沟回填
补充资料：回填
土石方工程上指把挖起来的土重新填回去：～土ㄧ～的时候要逐层夯实。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条