Civil houses wall cracks

ground fissures and other geological disasters phenomena occurred in Dayangli region of Zhenjiang

which should be the results of the joint action of ground subsidence and ground fissures from the point of view of destruction features.We basically identified geological environment background

formation conditions and influence factors of the geological disasters with some engineering investigation and survey means

such as drilling

slotted drilling and so on

analyzed the causes and mechanism of geological disaster

especially the ground fissures in different positions.Results show that groundwater exploitation is the main factors of ground subsidence induced by karst collapse

which caused the the wall and the floor cracking

and surface water infiltration erosion and continuous dry weather promoted farmland ground fissures.In the end

appropriate prevention and control measures were suggested.