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Subgrade and Subbase for Concrete Slabs

Subgrade and Subbase for Concrete Slabs

Subgrade and subbase are the foundation of a concrete slab and play critical role in its performance. According to the ACI Code, the subgrade is a compacted and improved natural soil or brought infill whereas subbase is a layer of ...

Retaining Wall Types, Materials, Economy, and Applications

Retaining Wall Types, Materials, Economy, and Applications

What is a retaining wall? Retaining wall is a structure that are designed and constructed to withstand lateral pressure of soil or hold back soil materials. The lateral pressure could be also due to earth filling, liquid pressure, sand, and other ...

What is Gabion? Its Types, Applications, and Advantages

What is Gabion? Its Types, Applications, and Advantages

What is gabion? Gabion is a welded wire cage or box filled with materials such as stone, concrete, sand, or soil. So, gabion is a partially flexible block construction used for slope stability and erosion protection in construction. Various types of gabions ...

Thermal Stabilization of Soil -A Ground Improvement Technique

Thermal Stabilization of Soil -A Ground Improvement Technique

Thermal stabilization of soil is a ground improvement technique. The concept, method and applications of thermal stabilization of soil is discussed. It has been observed that heating or cooling shows certain marked changes in the soil properties. Many types of research ...