Volumetric Analysis Of Clay Essay
INTRODUCTION
1.1. Background of Study
Generally, there are three major type of soils; sand, clay and silt. Different types of soil have different strength and characteristic. Clay soils are commonly found in Malaysia. Malaysia has equatorial climate which is hot and humid throughout the year and receive quiet heavy rainfall. Clay soil will not change its volume unless the water content changes. So, it is known that clay is very sensitive to water. The rain water can easily change the characteristic of the soil as the soil absorb the water and turn into semi-liquid state. The small void and pores in clay thus have the capability to retain water.
Clay tends to expand with the existence of water and shrink without water. During the hot condition,
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To determine the basic soil properties of clay. ii. To investigate the relationship of water content and desiccation cracking under controlled temperature.
1.4. Scope of Work
This research will define the dependent of the desiccation cracking to temperature. The scope of the study is in line with the objectives and initially, the Atterberg Limit test were conducted to obtained the moisture content of the sample used. This test will use Kaolin clay as the major sample.
After the both Plastic Limit and Liquid Limit results satisfied the condition needed, the Volumetric Shrinkage Method will be conduct. This test mainly to determine shrinkage limit and shrinkage ratio of the fraction soil sample by volumetric measurements on a small part of soil.
The tests will be undertaken in a room with controlled temperature. Laboratorial tests will be conducted on clay at controlled temperature which is 25 ̊ C. During the drying, the specimen will be weight to an accuracy of 0.01g, which enables to record the water loss at varying interval.
This is strongly agreed that the desiccation is depends on the local climatic conditions. These conditions include relative humidity, temperature, wind velocity and solar radiation. In these laboratory experiments, the relative humidity and temperature are
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