I. Major hazard sources existing in division, sub-process process, construction machinery operation process and materials:(1) Stab...
The bearing capacity of the natural foundation cannot bear all the load transmitted by the foundation, and the soil that needs to ...
Pile foundation testing is divided into testing before and after construction of pile foundation: before construction, it is mainl...
one. Cellular phenomenon: the concrete structure locally appears loose, less mortar, more stones, stones formed between the gap si...