2) face pre-grouting
工作面预注浆
1.
Through blasting in grouting holes the cracks with low connectivity are penetrated successfully, then regular face pre-grouting is used to block effectively off heavy water-gushing.
通过注浆孔内爆破的方法,成功地将连通性很差的岩石裂隙贯穿,再采用常规的工作面预注浆方法将井筒特大涌水进行了有效封堵,探索出连通性很差的裂隙含水层注浆工艺的新路子。
2.
According to engineering examples,the paper introduces the experience that the face pre-grouting affects thick aquifer and large water inflow shaft water prevention and control construction,as well as the successful experience of using chemical grout for blocking water in the aquifers including tiny cracks and pores.
本文依据工程实例,介绍了工作面预注浆对厚含水层、大涌水量井筒施工防治水经验,并介绍了化学浆液在细微裂隙和孔隙发育含水层中注浆堵水的成功经验。
3) pre-grouting from the shaft working face
立井工作面预注浆
4) condition pre-grouting at work face and grouting behind shaft lining
井筒工作面预注浆和壁后注浆
5) grouting construction
注浆施工
1.
From experimental research and site application,the key technology of grouting construction in water-rich sandy stratum is researched.
通过试验研究及施工实践,研究了穿越富水砂层段注浆施工的关键技术,优化了注浆材料、注浆参数,总结了配套的注浆施工工艺,保证了工程安全穿越富水砂层不良地质地段。
2.
In view of the problems maybe encountered in grouting construction corresponding countermeasures are proposed,which provides good references for similar works.
结合工程实例,分析了工程地质状况,提出了桩端底注浆施工方案,对注浆施工过程中可能出现的问题及其应对措施进行了探讨,有效解决了灌注桩自身的不足,可供类似工程参考。
6) radial grouting
径向注浆管施工
补充资料：工作面
①直接开采矿物或岩石的工作特点，随着采掘进度而移动。②零件上进行机械加工的部位。
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