Abstract
A new method that is to use soilbag filled with sludge instead of using jackstone has been proposed to construct the sea wall recently. With this new method, expenses of building the sea wall can be cut down and environment pollution around the sea wall can be reduced. An analytical solution for soilbag with semi-pervious boundary is proposed in this study. The cross-section of the soilbag in this theory is considered as a rectangle. By setting coefficients for consolidation solution of two square areas and summing the two parts, final solution of the rectangular area is obtained. Further research is made to compare calculation results from this study and other three methods. After the comparison, it concludes that calculation results from this study are very close with that of finite-element method, and also, the soilbag method possesses a giant economic benefit and has a possibility to replace the jackstone method to construct a sea wall.
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