1) quicksand formation
流砂地层
1.
The application of the method combined with manual hole digging pile and steel pipe pile in quicksand formation;
人工挖孔桩与钢管桩在流砂地层中的结合应用
2.
At present, the most popular trenchless pipeline installation method is guided boring, but in the guided boring cave-in of the borehole wall eternally are encountered in quicksand formation.
目前最流行的非开挖铺管技术为导向钻进法 ,但这种施工法在流砂地层施工时容易发生塌孔。
2) Drift sand geological layer
流砂地质层
3) quicksand type formation
流砂型地层
4) sand influx
地层砂流入
5) flow sand seam
流砂层
1.
This article expatiated appliance of using shoving and wedge in Kaolin clay flow sand seam to shoring exceed in no coal industry,and proved that using shoving and wedge in Kaolin clay flow sand seam to shoring exceed was feasible.
通过工程实例,阐述了使用撞楔作超前支护在非煤行业井巷施工中过流砂层中的成功应用。
2.
This article expatiated appliance of using shoving and wedge in Kaolin clay flow sand seam to shoring exceed in no coal industry, and proved that using shoving and wedge in Kaolin clay flow sand seam to shoring exceed was feasible.
阐述了使用撞楔作超前支护在非煤行业井巷施工中过流砂层的成功应用。
6) drift sand
流砂层
1.
New way to construct inclined shaft cross drift sand;
斜井施工通过流砂层的新探索
2.
This paper introduces that man-made excavating pile is widely used in road construction in our country and puts forward that great attention should be paid in plan-selecting and road construction on poor geological layer such as drift sand and sludge etc.
介绍了人工挖孔桩在我国公路工程施工中的广泛应用,提出了在流砂层、淤泥层等不良地质地层施工时,在选择方案和施工过程中的注意事项。
补充资料：流砂层
流砂层
quick sand bed
密切关系。流砂层岩性特征是，般砂粒粒度均匀孔隙度大、上下岩层多为不透水性。故常饱含地下水;粘土质流砂层具触变性，即受机械振动而液化，振动停止后又恢复原状;天然流砂层湿而带腐臭味。形成流砂的原因:吃l、山于地下爆破或机械震动的影响.在足够大的动水压力或动荷载作用「，层中水力坡度增大，流速增大，冲动细颗粒而使其悬浮和流动成渗透流砂(助由土粒周围附着亲水胶体颗粒，饱水时胶体颗粒膨胀·在渗透水作用下而悬浮流动;其流动速度有快有慢遇到以溃决形式急剧流动时，破坏力很大，会使地基和「_程的稳定性遭到严重破坏。流砂层它是矿山采掘作业的 ，大灾害其防治方法有疏干排水、灌浆固结、板桩加固等 (李远鄂陈国洗l一ushoeeng流砂层(quiek sand bed)埋藏于地下饱含水的，当工程揭露时引起渗透水流作用而发生流动的粉砂、细砂、亚粘土层。流砂层不仅分布于第四纪地层中，而且在基岩古老时代的地层中也有存在，它埋藏于不同的深度，其分布位置多与古河谷和近海冲积平原有
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