Home /
Expert Answers /
Civil Engineering /
1-1-list-the-factors-affecting-strength-development-in-cement-treated-soils-are-8-1-2-briefly-ex-pa781
(Solved): 1.1 List the factors affecting strength development in cement-treated soils are. (8) 1.2 Briefly ex ...
1.1 List the factors affecting strength development in cement-treated soils are. (8) 1.2 Briefly explain how the chemical composition of the soil affects cement hydration. (3) 1.3 Explain how the strength development in cement treatment material can be affected by delay in compaction after mixing? (3) 1.4 Discuss why curing is critical for cement - treated layers and what should be protected against? 1.5 After the treated layer has been finished, it should be protected against drying for seven days and traffic should not be allowed on the layer during this period. List four types of curing methods that should be used. (4) 1.6 List the examples of the use of bitumen as stabilizer or modifier (4)
Expert Answer
The factors affecting strength development in cement-treated soils are:Cement content, Water content, Curing conditions, Soil type, Cement type, Mixing method, Compaction effort, Curing duration Cemnet content: The amount of cement added to the soil affects the strength development. Higher cement content generally leads to higher strength. Water content: The water content in the soil-cement mixture affects the hydration process. The correct water-to-cement ratio is crucial for optimal strength development. Curing conditions: The curing conditions, such as temperature and moisture, play a significant role in the strength development of cement-treated soil. proper curing promotes hydration and improves strength. Soil type: The type and characteristics of the soil being treated influence the strength development. Different soils react with cement, and their properties affect the overall strength. Cement type: The type of cement used can impact the strength development. Various types of cement, such as Portland cement or blended cement, have different properties and reaction rates. Mixing method: The mixing method employed during the soil-cement blending affects the uniformity and distribution of cement within the soil, which can impact strength development. Compaction effort: The compaction effort applied to the cement-treated soil affects its density and strength. Proper compaction is essential to achieve the desired strength. Curing duration: The duration has a direct impact on strength development. Sufficient curing time allowsfor the completion of hydration reactions and improves strength.