Soil Engineering is the branch of geotechnical engineering, which deals with understanding the characteristics and mechanics of soil. Soil Engineering helps in analyzing the structure and composition of the soil of the proposed construction site, which helps in deciding whether the soil is suitable or not suitable for the construction. The importance of Soil Engineering in road construction are as follows:
- Soil engineering deals with compaction characteristics of soil, which helps to determine the degree of compaction of soil with compacting tools.
- The degree of compaction determines the strength of foundation, durability and strength of constructed highway.
- Soil engineering clearly provides an idea about for whether additional structures are required or not during construction.
- Soil engineering helps to study and analysis of stability of cutting and filling portions in Highway construction.
- Soil engineering techniques helps to determine the cost of construction of highway.
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