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Lack of customer's trust is one of the important factors to impede China's e-commerce development. How to improve e-commerce trust is the common concern of academics, government and enterprises. The virtual community for customer's e-commerce enterprises is an important way to gain customers trust. Through technologies with high security, convenience and sociality, a virtual community can satisfy...
In this paper, finite element analysis has been applied on the Phi2.8 mtimes5.75+2.25 m of southern Africa that has been contracted by CBMI Construction Co Ltd. Different contact finite element model as manholes in different position of the twelve clock points are built by using ANSYS parametric design language (APDL). Stress and deformation under the actual condition were presented by calculating,...
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