Shear behaviour of cement treated sand.

What is it about?

Rising population resonances have an influence on the availability of suitable building sites. Ground improvement techniques are required to repair poor building site locations by enhancing soil shear characteristics. The shear characteristics of established soils can be influenced by cementitious substance like fly ash, lime or calcium-based chemicals. In this research river sand was combined with Portland cement and investigated the shear behaviour of this cement-treated sand. Unconfined compression strength (UCS) test and direct shear tests were performed on sandy soil with different percent of cement content. The findings of this study showed that treating sand with cement improves the shear characteristics of sandy soil significantly. Shear characteristics of soil were shown to be dependent not only on cement content but also on curing time.

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Why is it important?

Tree roots and plants have been shown to increase the shear strength of soil for quite some time. The creation of ziggurats dates back 3000 years to early attempts to strengthen soil by combining it with various elements [13]. With the usage of geo-artificial materials, this pattern has continued for years. Methods like grouting and counterfeit cementation have been widely employed to improve the strength of structures and also to strengthen the ground.

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