According to geological condition of this mined-out area, a three hole-ins well has designed to carry out surface grouting and fire-area sealing.
根据该采空区地质条件，设计了三开井身结构，对采空区进行地面注浆及封堵处理。
The experiment shows that the epoxy grouting material has binding strength more powerful and solidified time shorter, and can be especially used in the moist surface.
试验表明，环氧灌浆料具有较高的粘结强度，而且固化时间短，尤其能在潮湿界面中使用。
For small gush of water or water leaked from crack on the surface to be shotcreted rock face grouting or tube piloted discharge should be applied before shotcreting.
受喷面的小股水或裂隙渗漏水宜采用岩面注浆或导管引排后再喷混凝土。
At the same time, the surface crack repair method of crack treating, grouting filling embedded block and structural concrete reinforcement and displacement methods are proposed.
同时，提出裂缝处理的表面修补方法、灌浆嵌缝封堵法、结构加固法和混凝土置换法。
The thesis presents the application of surface pre-grouting to construction of auxiliary shaft in Yangliu coalmine.
本文介绍了地面预注浆施工技术在杨柳煤矿副井中的应用。
Based on these, a comprehensive cure plan which takes slide-resistant piles as its main body and grouting, draining and protecting surface as its auxiliary parts is put forward.
在此基础上，提出了以抗滑桩为主，辅以灌浆、排水和护面等综合治理设计方案。
Up to now grouting parameters for the porous surrounding rocks, depended on the penetrating coefficient for shallow surface soil, is unfit for the deep surface soil grouting.
目前孔隙性围岩注浆参数大多是根据浅表土的渗透系数确定的，这不适合深层土注浆。
Therefore, the surface subsidence was controlled comprehensively through measures like static pressure grouting and building shotcrete piles in the artificial river channel.
为此，对地表塌陷进行了综合治理，其中采用了静压注浆、在人工河渠施工旋喷桩的措施，有效地控制了地表塌陷。
The chemical grouting material has safe surface operation, and has good water plugging effect on stratums with micro cracks.
本发明地面操作安全，细微裂隙地层堵水效果好。
The chemical grouting material has safe surface operation, and has good water plugging effect on stratums with micro cracks.
本发明地面操作安全，细微裂隙地层堵水效果好。
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