Xinjiang Wei

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The durability of subsea tunnel faces severe trial under complex service environment. In this paper, the tunnel's medial and lateral sides are analyzed using different models. The medial side is divided into general atmospheric environment and marine atmospheric environment with different models. A carbonation model considering construction defects is(More)
Considering the interaction of building-soil-tunnel, the raft foundation masonry building vertical crossed by double-line parallel shield tunnel was simulated by 3D MIDAS/GTS software, and the impact of construction on the building was analyzed. The results show that: When the distance between double-line parallel shield tunnel axis and building axis was(More)
Based on the analysis of present research data of shallow tunneling, it was found that soil loss rate had different trends with the increasing of soil depth. The settlement formulas of deep soil of oval convergent model caused by shallow tunneling were deduced. Using stochastic medium theory to calculate practical cases, it was proved that with the(More)
A new semi organic nonlinear optical crystal, L-Alanine Sodium Bromide has been grown from aqueous solution by slow evaporation technique. L-Alanine and Sodium Bromide were used in the ratio 1:1 for synthesis. Crystals of size 20×10×4 mm3 have been obtained in 30 days. Characterizations were carried out to study the structural, optical and mechanical(More)
Based on the five convergence models for shallow tunneling, the settlement formulas of deep soil for oval convergent model and simplified top model were deduced. The results of five kinds of convergence models were compared by two examples. The results show that: The impact of soil friction angle on the settlement could not take into consideration in the(More)
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