land drain 中文意思是什麼
land drain
解釋
地面排水溝-
A land drain is usually a pipe buried in farm land but it may also be an open channel.
農田的排水系統通常是埋在農田中的管子，但也可以是明渠。 -
They drain the swamp and turn it into fertile land
他們排去沼澤地的水，將它變成了肥沃的土地。 -
The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated
本文利用大變形固結有限元分析程序（ lscfea ）中的小變形平面固結分析單元（ sse2 ） ，結合實體工程項目進行了地基固結沉降的有限元計算，分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲線及杭甬高速公路試驗段在高堆載情況下的固結沉降曲線；並對以上曲線特徵進行了分析，得出各時間段曲線斜率、角度在整個斷面的變化規律，以及沉降最大值與斜率、角度變化之間的線性回歸關系。
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