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地铁列车运转产生的振动通过道床传到隧道结构,再通过土层向四周传播,诱发了附近地下结构以及地面建筑物的二次振动。通过对地铁列车运营引起的既有线结构振动在地层中的衰减规律测试,初步研究了既有地铁列车运营过程中的振动对施工和建成的部分初期结构的影响。
Vibration generated by the subway train running through the bed to the tunnel structure, and then spread to the surrounding soil, induced by the nearby underground structures and ground buildings of the second vibration. Through the test of the attenuation of the existing structure vibration caused by the subway train operation in the strata, the influence of the vibration during the operation of the existing subway train on the construction and some initial structures was preliminary studied.