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由于昆明新机场航站楼复杂的地质环境和本身结构特性,为满足抗震要求,基础与地下室底板间设置隔震层。考虑使用年限较长,使用过程中可能遭受较大地震,因此对隔震支座开展了更换拓展研究。详细阐述了更换的具体过程,更换中应注意的问题及难点,以及千斤顶和测量仪器的具体布置情况,避免了对结构楼板造成不良影响。实践表明效果良好。
Due to the complex geological environment and structural characteristics of the new airport terminal in Kunming, in order to meet the seismic requirements, a basement and basement floor should be provided with a seismic isolation layer. Taking into account the longer service life, the use of the process may suffer a greater earthquake, so the bearing isolation carried out replacement study. The specific process of replacement, the problems and difficulties that should be paid attention to during replacement, as well as the specific arrangement of jacks and measuring instruments are elaborated in detail, which avoids the adverse effect on the structural floor. Practice shows that the effect is good.