岩溶塌陷规律和模式研究

his paper aims at the problems of karst Collapse of zaozhuang and linyi city in shangdong province, makes an analysis on the distribution and time regulation of karst collapse ,discusses the relationship between collapse and water level ,and it conludes the basical material conditions and power conditions and dynamic effects of karst collapse.The experiments show that the karst collaps has relations with geological factors and surface buildings. Karst collapse offen happens where the upper part is the quaternary soil and the lower part is karst zone.The time is the season or year in which the water level has big changes. Karst collapse happens in the presence of latent erosion , draw erosion and positive and negative pressure difference.we can speculate that Karst Collapse’s depth distribution similars to the water level distribution in the underground where it has simple geohgical condition, no fault , fold and karst zone. at last it puts forward that the quaternary soil collapses in the presence of latent erosion , draw erosion and positive and negative pressure difference on the power condition provided by the change of water level.