) A( R- y0 @7 u( S1 M# @$ n 谢谢指导!我刚买的是一个35年的老房子,侧门一边做了混凝土地面硬化,后院的平台也是混凝土的,但这些混凝土下面现在都是很深的空洞,不知道怎样充填?是用土还是用混凝土?充填后会造成什么影响?2 r: ^, T8 E3 K
另外前面的DRIVEWAY也有下沉,出现了很多裂纹,如何处理?各位给些建议!# t( L' h1 G. A* a' {# s0 W
谢谢大家!
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You may need a mud jack or concrete level. Try yellow page under MUD JACK to find a contractor. I have heard names like CLASSIC CONCRETE AND MUDJACKING, LOW'S concrete leveling solutions. ! c2 M- Z# y# P, ^6 C* O
FYI only, no affiliation or personal experience with these companies.