疏浚泥固化过程中水分量的变化与强度关系研究

Study on relationship between water content change and unconfined compressive strength during solidification process of dredged material

采用计算含水率来表示固化疏浚泥中由于水泥反应引起的真实含水率变化,通过对7 d和28 d龄期水泥固化疏浚泥的含水率和无侧限抗压强度测定研究,发现固化疏浚泥无侧限抗压强度、计算含水率及其变化量均与水泥量之间存在良好的线性关系。因此,在工程应用中可以用计算含水率的变化量来推测固化疏浚泥的无侧限抗压强度。

By taking the calculated water content to represent the real water content change of the solidified dredged material （SDM） due to the reaction from cement, it is found that a better linear relationship exists between the cement content and the nnconfined compressive strength, caleulated water content（CWC） and its change through the test on the water content and the unconfined compressive strength of the cement-solidified dredged material（SDM）. Thereforre, the change of the calculated water content（CWC） can be used to estimate the unconfined compressive strength of the solidified dredged material（SDM）.