为了模拟填土工程中土体的变形，需要建立在等主应力比应力路径下的本构模型。
To simulate the deformation of soils in fill construction, it is necessary to build up the constructive model under the stress path of constant ratio of principal stress.
此岛屿以出口品质优良之花岗岩为主，也曾经出口海沙给新加坡作为填土工程之用途。
The main export of the island is its granite which is one of the best quality in the world. Apart from that, sand had also been constantly exported to Singapore for its reclamation purposes.
反滤作用：用于河流堤，坝公路铁路，机场路基，挡土墙回填土，边坡等岩土工程，提高稳定性。
Filtrate: it can strengthen in geotechnical engineering such as riverbank dam highroad railway roadbed of airport etc.
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