級配土壤 的英文怎麼說
中文拼音 [jípèitǔrǎng]
級配土壤
英文
graded soil-
Soil hydraulic characteristic parameters can be estimated accurately using the pedo - transfer functions ( ptfs ) depending on soil fundamental parameters which are easy to get such as grading of soil, organic content and bulk density. pedo - transfer functions ( ptfs ) have been developed by two methods in this paper with data measured at keerqin sandy land
然而可以通過容易得到並能保證試驗精度的土壤基本物化特徵參數，如：顆粒級配、有機質含量和土壤容重等，利用土壤傳遞函數（ ptfs ）可以較準確地估算出土壤水力特性參數。Third according to the practice, over 300 g / m2 of the staple nonwoven geotechnical fabric is used in the bank project of the large rivers, its tensile strength is 600 n / 5cm. forth the filtration under the traffic load, normally, the traffic load is repeated load and fast movement. in this case, thick filtration is applied, such as sand and / or thick fabric, of which weight is over 700 g / m2
研究結果表明：對d _ （ 85 ） 0 . 074mm的土料，不宜採用土工織物作濾層；對級配極不均勻的土壤（不均勻系數cu 2或cu 6 ） ，在滲流作用下，很容易發生管涌，對土工織物的選用要慎重；一般大江大河的護坡工程至少應採用300g m ~ 2以上的短纖無紡土工布，其抗拉強度為600n 5cm左右。The characteristics of common soils in dalian are studied, and enzyme x - 22 which has been used well in the developed country such as usa and canada and other stabilizers are mixed into soils, so that the mixture has the suitable properties to meet the requirement for the road base or road sub - base in the highway construction
本文克服了堅土酶不耐水的缺點，採用其他合適的摻和料，設計正確的配合比，對大連常見的一種土壤進行了固化處理，使之能夠直接應用於高等級路面的基層和底基層的建設。
分享友人