灌溉排水学报2011，Vol.30Issue(5)：131-134,4.
滨海吹填土灌排工程改良效果研究
Effect of Leaching and Draining on Improvement of Dredger Fill
摘要
Abstract
In the paper,the effect of leaching and draining technique on improvement of dredger fill was studied by field experiment.The results showed that,lots of salinity was moved from the experiment plot by drainage,and the mineralization degree of effluent dropped from 55.109 g/L to about 5 g/L at the period of reclamation.Desalination rate of 0~40 cm layer soil was about 65% with approximately 300 mm leaching water,but salt content of 0~100 cm layer soil did not decreased.Desalination rate of 0~100 cm layer soil was about 50% with approximately 700 mm leaching water,and the rate of 0~100 cm layer soil was above 71% with approximately 1 050 mm leaching water.The leaching curve was fitted,which showed the relation between soil desalting and irrigation water,and the fitting efficiency was very perfect.The research results proved that the leaching and draining technique was a successful measure to improve dredger fill.关键词
吹填土/淋洗/暗管排水/淋洗曲线Key words
dredger fill/leaching/subsurface drainage/leaching curve分类
农业科技引用本文复制引用
王鹏山,张金龙,侯俊伟,李靖男,胡军,张清,苏德荣,戴继航..滨海吹填土灌排工程改良效果研究[J].灌溉排水学报,2011,30(5):131-134,4.基金项目
国家科技支撑计划项目(2009BAC55B03) （2009BAC55B03）
天津市科技支撑计划重点项目(10ZCGYSH02300) （10ZCGYSH02300）
