Subgrade preparation
The subgrade is the foundation layer, made up of compacted soil, crusher dust or road base aggregate. Its quality directly affects the overall performance of the concrete structure, as well as its longevity and durability. Evaluating the subgrade's properties, such as its strength, stiffness, and moisture content is crucial before constructing a pavement on top of it. Proper preparation and improvement of the subgrade can prevent concrete distress, such as rutting and cracking, which can lead to expensive maintenance and repairs. In summary, the subgrade plays a critical role in ensuring the long-term performance of a concrete system, and it is essential to give it due consideration during construction.
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