吹填砂旁压仪试验研究

Test And Reserch of Lateral Pressure Experiment About Blowing Alluvial Sand

旁压仪试验成果的解析和应用，一般仍基于古典弹塑性理论的若干假定。对吹填砂的旁压仪试验成果，除了由压力——膨胀曲线接古典理论确定旁压试验特征值，还引用Hughes的方法确定内摩擦角。中和剪胀角。，将其与三轴试验测得的成果进行比较，并根据考虑塑性区体变的理论计算极限压力已。通过不同方法所得结果的比较，初步探索砂土旁压试验的分析。

Through the 1ateral pressure experimen of the bldring alluvia1Sand, the autho attempt sboetemine the lateral preesare experimen inline with the pressure - expansioncurve accouling to the classical theory. bor, heintro duces Hughes'apploah the detendne the innerfction ange 4 and thesheng expansile ange u. ffon, based ugh the theory concendng the aspect changes of the plastc area, the auta wh out the lbot Pressure Pl, in cmparison with resultsachieved in the 3 - axls experiment. be the cmparison of the result sachieved by different appoaches, the autha atternpts to probe into the analysis methas of the lateral expetiemnt of the sand.