19. Cement Stabilization
Cement stabilization techniques for soil treatment involve performing tests to determine the appropriate cement content based on soil properties. The methodology emphasizes quality control through mechanical and physical property tests, with specific recommendations for cement percentages and testing methods to ensure adequate stabilization. Thermal stabilization methods are also mentioned but are currently under revision.
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What we have learnt
- Cement percentage for soil stabilization should be determined based on soil quality tests.
- The Standard Proctor test is essential for assessing soil-cement mixtures.
- A 4% cement content by dry weight of soil is recommended for subgrade modification.
Key Concepts
- -- Cement Stabilization
- The process of using cement to improve the mechanical properties of soil, enhancing its load-bearing capacity and durability.
- -- Standard Proctor Test
- A laboratory test that determines the optimal moisture content at which a given soil type will achieve its maximum density.
- -- Unconfined Compression Test
- A test that measures the compressive strength of a specimen without any lateral confinement.
- -- California Bearing Ratio (CBR) Test
- A penetration test for evaluating the strength of subgrade soil and its ability to support the traffic load.
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