Characteristic and Mechanism Analysis of Ground Fissures in Longyao

The ground fissures in Longyao County are the largest in Hebei Xingtai area,which have damaged hundred houses of the local villagers in varying degree and greatly threaten the production and life of the local people. We carried out a field survey, mapping and monitoring work in this area and study the appearance and deforming features of the ground fissures. The results show that the ground cracks in Longyao County are mainly caused by uneven settlement caused by ground water level fall, but, the affection of the buried faults cannot be excluded. Our investigations may provide reference for local resident to construct new countryside.