Thursday, February 7, 2013

Civil Engg.

1.0 Brief History Of - ¬- SOIL STABILIZATION
The stabilisation of demesnes has been performed for millennia. It was recognized before Christian era began that certain geographic regions were plagued with ascend materials and ambient condition that made the movement of armies and goods difficult, if not possible, everywhere the paths between villages and towns.
The Mesopotamians and romans separately discovered that it was possible to improve the susceptibility of pathways to carry traffic by mixing the bleached dishonor with a stabilizing agent like pulverized limestone or calcium. This was the first chemical stabilisation of weak soils to improve their file carrying capacity.
Jump for fightd a few years to the war of Vietnam (1955 to 1975), the US military were looking for methods for rapid stabilization of weak soils for support of its missions worldwide.
Over the past 60 years they had employ cement and lime these being the most effective stabilizers for roadway and airfield applications, but although with careful analysis of ground conditions and the subside of the existing soils these traditional stabilizers did have a remedial effective.

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They urgently needed a stabilizer that could be used promptly without having to carry out extensive site tests that could increase the effectiveness of the prevalent soft clay type local soils cursorily to support the landing and take-off heavy C-17 and C-130 aircraft traffic on their temp airfields.
2.0 Introduction
Soil stabilization is the process of improving the engineering properties of the soil and thus making it more stable. It is required when the soil available for construction is not suitable for the intended purpose. In its broadest senses, stabilization includes compaction, pre-consolidation, drainage and many other such processes. However, the term stabilization is generally restricted to the process which alters the soil material itself for return of its properties. A cementing material or a chemical is...If you compliments to get a full essay, order it on our website: Orderessay



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