地陷灾害现象(国外英文资料).doc

地陷灾害现象(国外英文资料) On the hot 114: land subsidence disaster phenomena [background of social problems] (1) since 2010, in Wuhan, Taiyuan City, Changsha, appeared subsidence. The so-called subsidence, is actually a kind of geological disaster phenomenon, and geological structure, rainfall and human activities are closely related. The authority of the geological experts believe that the future city subsidence will be gradually showing multiple trend, which makes the city spatial expansion, traffic system construction and public facilities on underground development strategy, facing new challenges. 2010 summer heavy storms after some Changsha yinpen Road residents found: silver basin road and Xiaoxiang Road intersection on the sidewalk suddenly there was a 40 cm diameter hole. Later, the road subsidence area is becoming larger and larger, and soon became a diameter of 3 meters, 2 meters deep pit, began to endanger the motor vehicle lane, the road around the pit gradually cracks. Although the city department built a fence around it, the road collapsed and made residents very disturbed. Not far from the road yinpen Venus Avenue, 2007, at a construction site occurred subsidence swallow incident. At that time, the construction shed, the ground suddenly caved in, a construction worker in the hole at the top of the moment was to swallow down. Firefighters rushed to the shed and the adjacent houses when will be removed, to collapse as the center, with a shovel to dig down. After nearly ten hours of search and rescue, only to find suffocated construction workers. (2) August 12, 2010, Taiyuan, Wuhan, two city was on the same day the subsidence has occurred . August 12th morning, Wuhan baisazhou road to bridge pier piling machine for piling, the site suddenly collapsed, forming an area of about 30 square meters, about 6 meters deep hole in the ground, but fortunately no casualties; on the same day at 8:25 in the morning, is located in Taiyuan Twin Towers east of the Shanxi Peoples H