城市轨道交通隧道周边建(构)筑沉降预测方法研究

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Abstract The building/structure settlement curve fits to the normal distribution. The Peck formula in tunnel engineering ground surface settlement prediction is derived，and its parameter meaning is changed to establish the building/structure settlement prediction formula. The single and two layer buildings load effect on the deformation are studied by the engineering cases summary and theoretical analysis. The building/structure settlements in different locations of tunnel engineering are studied by numerical simulation. With the existing parameter value of volume loss(Vl) and building/structure settlement prediction formula，the reference value of building/structure settlement trough width parameter(Ks) in different countries are calculated. The engineering practices show that the building/structure settlement prediction formula calculation result，numerical simulation result and monitoring result are in good agreement. The formula has very good practicality，and it could be applied to similar building/structure foundation settlement prediction.

Key words： tunneling engineering urban rail transit building/structure settlement prediction

Received: 02 July 2012

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https://rockmech.whrsm.ac.cn/EN/Y2013/V32/Is2/3535

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