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Elect ro-osmosis properties of Singapore marine clay

机译:新加坡海洋粘土的电渗透特性

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摘要

In order to be able to design the electro-osmosis shceme, two major properties of clay such as electro-osmosis permeability and coefficient of consolidation are required to be known. These properties could also be measured in the laboratory by running the electro-osmosis consolidation test. This type of test could be carried out with the help of modified triaxial apparatus in which soil sample could be applied an electric current and also measured the volumetric change of soil accurately. It was found that electroosmosis permeability of Singapore marine clay is ranging between 1 to 5 x 10~(-9) m/v-s whereas electroosmosis coefficient of consolidation varied between 1 and 2.81 m~2/yr for tests under six (6) and twelve (12) volts electric potential gradient respectively. Electro-osmosis coefficient of consolidation is increasing with voltage applied. Physical and compressibility properties changes were not4ed after the electro-osmosis process. This paper described the test apparatus, procedures and discussed on teh results from the electroosmosis tests, carried out on Singapore Marine Clay.
机译:为了能够设计电渗析法,需要知道粘土的两个主要性质,例如电渗渗透率和固结系数。这些性质也可以在实验室中通过运行电渗合并测试来测量。这种类型的测试可以借助改进的三轴设备进行,其中可以向土壤样品施加电流,并且还可以准确地测量土壤的体积变化。研究发现,在六(6)和十二岁的测试中,新加坡海洋黏土的电渗渗透率介于1到5 x 10〜(-9)m / vs之间,而固结的电渗透系数在1和2.81 m〜2 / yr之间变化。 (12)伏特电势梯度。固结的电渗透系数随着施加电压的增加而增加。电渗过程后未发现物理和压缩性能的变化。本文介绍了测试仪器,程序,并讨论了在新加坡海洋粘土公司进行的电渗测试的结果。

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