Soil Improvement Using Polyurethane (PU)

Soil Improvement Using Polyurethane (PU)

This study is to solve the subsoil foundation problem in sand soil by using Polyurethane (PU) grout

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Construction of road pavement generates instability to the natural subsoil which encounters numerous engineering problems such as settlement, depression, sinkhole and faulting of subsoil. The conventional method of soil remediation work in subsoil such as crack sealing, patching potholes, overlays and grouting technique provide short term solutions to address those symptoms, but not the underlying problem. This study permits a novel method to solve the subsoil foundation problem precisely in the sand that exists in the current pavement designs using Polyurethane (PU) grout. PU is a chemical su...