6级人防覆土2米等效静荷载多少（What is the equivalent static load of 6 meters covered with air defense 2 meters）.docVIP

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6级人防覆土2米等效静荷载多少（What is the equivalent static load of 6 meters covered with air defense 2 meters）.doc

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6级人防覆土2米等效静荷载多少（What is the equivalent static load of 6 meters covered with air defense 2 meters）

6级人防覆土2米等效静荷载多少（What is the equivalent static load of 6 meters covered with air defense 2 meters） With the expansion of city scale, the earth building more and more basement plate. In the construction plan review, we found that the designers in their anti floating design, civil design, design of building energy-saving technical measures such as avatar, deviated from the relevant industry technical standards, there are some security risks. I feel some of the problems is the sorting out and summed up to be unified, some problems have to summarize, refine and research in practice, we take this one angle and everyone a discussion and learning. Two, the anti floating design 1, to determine the anti floating water level Anti floating water level is divided into: the anti floating water level and the structure design of the overall stability of the anti floating water level. The specification, anti floating water level by the geotechnical engineering investigation unit. Code for investigation of geotechnical engineering (GB50021-2001) article 4.1.11-6, section 4.1.13, section 7.1.1-5, technical code for building foundation (DB42/242-2003) article 11.4.11-3 are provided for anti floating water level. The anti floating water level is indeed a complicated problem, height and terrain, soil type, groundwater and other factors related to the anti floating water level, should analyze various factors determine the level, can not simply take the survey provided by the survey report. (1) the basement basement is located in the aquifer, the aquifer is confined water, anti floating water level should be calculated in accordance with the highest or wet period of the highest pressure head. When the hydraulic connection of confined water and phreatic water or perched water, should be the highest level of the two mixed computing. (2) when building premises sites low-lying, site may have water, should be possible to calculate water elevation. (3) in general, for security reasons, on the si