The Researching On The Deformation Of The Pit And The Design Of The Rail Structure In The Soft Soil Region

The article bases on Fuxing Road Station's foudating engineerring of Shanghai Rail Traffic Yangpu Road,analying the deformationg data of the foudationg engineering,we have some following results:1. Discussing the soil press calculation method under the action of actual loading: in soft soil areas, the soil press calculation of water with soils is close to the reality. Must apply it on the theory, but for the present conditions, it has much limitation. And the contribute of water pressure to soil pressure is oversized.2. Studying the wall level displacement(supposed as δ) and corresponding excavation depth (supposed as α)in different work condition,the relationship is δ=0.01ah_t.3. Dicussing soil pressure (supposed as P) and level displacement (supposed as S) in condition that consideration time performance, when the defomation of wall has evidently effect on the soil pressure.4.On the basis of the soil and water pressure and the lateral horizontal displacement in-situ investigation the force-resisting coefficient of soil layers are back-calculated.and it is less than that determinged form standard codes and the empirical values.5.The results of the optimization reseach on the imbedded depth of underground consecution wall show that the lateral horizontal displacment of the underground consecution wall do not infinitely decrease with the increase of the imbedded depth of the underground consecution wall。...