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LABORATORY SIMULATION TEST ON DETERIORATION OF SOIL CEMENT STABILIZED IN MARINE SOFT CLAY SITE

机译:海洋软黏土中稳定水泥土的实验室模拟试验

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Laboratory tests were intended to research the influence of seawater pressure,curing time and cement content on the deterioration of cement-stabilized soil which forms in the simulative marine soft clay sites of Jiaozhouwan Bay,Qingdao,China.Deteriorated depth is defined on the basis of features of penetration resistance and penetration depth curve.The result of research indicated that the deterioration extends quickly under seawater environment,and the deteriorated depth becomes deeper with the increase of curing time.In addition,seawater pressure can speed the deterioration up.With the increase of cement content,the strength of cement stabilized soil increase obviously,at the same time,the deteriorated depth reduce significantly.The concentration of Ca2 + in the cement stabilized soil has a trend to decrease from deep to shallow,the concentration of Mg2 + gradually decreases with the increase of depth.
机译:旨在通过实验室测试来研究海水压力,固化时间和水泥含量对青岛胶州湾模拟海洋软粘土场地形成的水泥稳定土变质的影响。研究结果表明,在海水环境下,劣化迅速扩展,且随着固化时间的增加,劣化深度变深。此外,海水压力可加速劣化。水泥含量,水泥稳定土的强度明显增加,同时劣化深度明显减小。水泥稳定土中Ca2 +的浓度由深到浅呈下降趋势,Mg2 +浓度逐渐减小。随着深度的增加而减少。

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