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《Plateau Earthquake Research》 2018-03
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SEISMOGENIC STRUCTURE AND SEISMIC DISASTER CHARACTERISTICS OF BUILDINGS AFTER WULUMUQI Ms 4.8 EARTHQUAKE IN 2018

Alimujiang·Yalikun;CHEN Jianbo;Earthquake Agency Of Xinjiang Uygur Autonomous Region;  
On January 20,2018,Ms4. 8 earthquake occurred in Urumqi County in Xinjiang. The earthquake occurred in the Chaiwopu Basin in the southern part of Urumqi. The seismic intensity is Ⅴ degree. The houses in the earthquake-stricken areas are mainly old,self-built civil-structure,brick-and-wood and brick-concrete structures. Most of them are self-built houses that have not been properly designed,have not ground treatment,and have not been subjected to seismic fortification. After this earthquake,there were damaged in different degrees,some small cracks appeared in the wall of the houses,vertical cracks in the horizontal and vertical joints,etc.; the brick-concrete structure houses were old and the construction quality was poor,and slight cracks appeared at the joints of the horizontal and vertical walls. There are penetrating oblique cracks in the door opening,wall skin around the window hole being squeezed,and vertical cracks in the wall. The anti-seismic measures for houses in the comfortable housing project meet the fortification requirements,and the seismic performance is good. In this earthquake,the comfortable houses were basically intact,and the comfortable housing project withstood the test in the earthquake. According to the results of the on-site investigation,the earthquake is located near the southern margin of Chaiwopu,which may be the result of the latest activity of the fault.
【CateGory Index】: P315.9
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