1) extract sand and gravel
掏砂石
1.
Through the observation of crack,settlement,displacement,etc in the parking lot,restoration scheme is to extract sand and gravel above and under water in the foundation pit,as well as under the base,pump water to let the structure reposition and sink down till no further,and grout underwater abutment onto the base.
通过对停车场裂纹、沉降、位移等的观测,复位方案为基坑水上掏砂石,基坑水下掏砂石,板底掏砂石,降水使结构下沉复位到不能再沉,水下板底支墩注浆,等支墩强度达到设计要求后,抽干基坑水至板底以下,进行板底填充注浆,复位工作结束。
2) gravel digging
掏砂
1.
The anchor rod statically pressed piles and gravel digging are combined to consolidate and rectify a building with thick mattress layer, which has been proved practicable and efficient.
厚褥垫层建筑物利用锚杆静压桩进行加固,并结合钻孔掏砂综合治理不均匀沉降,可在短期限内达到预期效果,不失为一种高效可行的加固纠偏方法,但在使用锚杆静压桩进行地基加固前,要仔细验算桩穿越厚褥垫层的阻力、条形基础的抗冲剪强度及抗弯强度等。
3) combination bit and mud socket
钻掏泥砂泵
5) limestone sand
石灰石砂
1.
Point to the serious burn-on defect occurred on the nonmagnetic steel casting surface, a new casting technique was used in which mould-making adopted CO2-cured sodium silicate bonded limestone sand and special sand powder coating.
针对无磁钢铸件严重粘砂的缺陷,采用石灰石砂及特种砂粉涂料相结合的铸造工艺措施,经过大量试验和生产验证,满足了铸造生产的要求,使铸件表面光洁、易清砂,取得了明显的技术经济效果。
6) silica sand mortar
石英砂砂浆
补充资料：红砂石
红砂石 系粘质砂岩石，选用较为细密的，可打磨灰胎用。
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