《岩土工程学报》2016年第5期刊出“模型试验中膜式土压力盒标定及其应用”一文[1](以下简称“原文”)。原文采用砂对膜式土压力盒的标定系数进行了试验研究,结果显示加载曲线线性较好,而卸载曲线可采用指数曲线进行拟合。拜读原文后,受益良多,同时认为存在以下值得商榷之处,在此指出,以期探讨。(1)采用土压力盒进行土压力测定时,其测试结果与土的类型和密实度、土和弹性膜片的刚度比等密切相关[2],选择 “Chinese Journal of Geotechnical Engineering” 2016 the fifth published “model test soil pressure box calibration and its application” [1] (hereinafter referred to “original ”). The paper uses sand to test the calibration coefficient of membrane earth pressure box, the result shows that the loading curve is better, and the unloading curve can be fitted by exponential curve. After reading the original, benefited a lot, at the same time that there are the following issues that are debatable, pointed out here, with a view to exploring. (1) When earth pressure is measured by earth pressure box, the test result is closely related to the type and density of soil, the stiffness ratio of soil and elastic diaphragm [2]