There are some earth caves and karst in the airfield runway subgrade of some newly constructed airport, and the bearing capacity of the overburden soil in the subgrade is low.
某新建机场滑行道路基中存在土洞和溶洞，且路基上部土层承载力低。
There are harmful engineering phenomena of earth caves and karst caves widespread in foundation of the New Baiyun International Airport, Guangzhou, so the foundation condition is very complex.
广州新白云国际机场地基中广泛发育土洞、溶洞等不良工程地质现象，地基条件极其复杂。
There are harmful engineering phenomena of earth caves and karst caves widespread in foundation of the New Baiyun International Airport, Guangzhou, so the foundation condition is very complex.
广州新白云国际机场地基中广泛发育土洞、溶洞等不良工程地质现象，地基条件极其复杂。
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