建筑土木工程外文翻譯外文文獻(xiàn)英文文獻(xiàn)地震帶民用建筑由磚混向框架發(fā)展的必要趨勢(shì)(已修改)
2024-11-20 10:00 本頁(yè)面
【正文】 Seismic zone to the framework of the civil from the brick necessary for the development trend 【 Abstract】 Earthquakes are inevitable natural disasters,but the choice of building structures which can effectively reduce the losses caused by the current seismic zone in construction, particularly in economically underdeveloped areas of the brick building structure, but its poor ability to contribute to the seismic earthquake39。s power and prestige, while the frame structure in the earthquake39。s strength is especially evident, although the price higher, but with the masonry to more cost effective. As more seismic capacity frame shear wall structure, its high price and low popularity is difficult to build largescale. 【 Key words】 masonry。 framework。 choice。 cost China is located in the world39。s two most active seismic zones in the middle on the east Pacific seismic belt, west and southwest is the Eurasian seismic zone after areas, is one of many earthquakes in the world, for we must strengthen the Earthquake Research and prevention. Damage caused by the earthquake in theory, three main factors: the level of the ground motion acceleration, resonance, and energy of inclusiveness. In fact, the earthquake itself is difficult to pose a threat to the safety of human life, most casualties are affected by the earthquake which caused the collapse or destruction of buildings, usually accounting for 95% casualties in the earthquake. Only less than 5% of casualties directly caused by the earthquake and the earthquake floods, landslides cause secondary disasters such as, but not seismic retrofit measures for concrete structure (walls plus not Rachel39。s precast concrete floor) caused disaster is particularly tragic. 1. Housing a number of reasons for the collapse Houses collapsed in the earthquake, so many casualties so heavy, what the problem is where? One view is that: Since the earthquake strength, housing guard, the design did not strictly enforce the standards, plus there are some jerrybuilding phenomenon. For this reason man is undeniable, it is the administrative mechanism and the building construction behavior of the loophole is people own issues. Another view, less developed Wenchuan area, building houses and more traditional brickbased, and fell into disrepair, has been unable to cope with more than magnitude 7 earthquake, in fact, a large number of brick and concrete structure building collapsed, causing heavy casualties phenomenon, already on the 1976 Tangshan earthquake occurred. This view from the building itself be analyzed structure, we need to deal with earthquake science, the structural seismic performance seriously strengthen and maintain the building is not down, e to minimize casualties, at least not as it is now present in people before such terror. Overseas Chinese Affairs department in Sichuan Province is located in the hardest hit of 69 overseas Heart School, the survey found. 41 damaged schools, including severely damaged 18 of 23 slightly damaged, none of the overseas Chinese
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