Analysis of Load-Settlement Curve Based on Load Transfer at Pile-Soil Interface

A field pile loading test was carried out on the Peshawar–Karachi Motorway (PKM) project in Pakistan to show settling mechanism of bored foundation pulverized soil and force characteristics frictional resistance at pile-soil interface. The changes lateral settlement during loading-unloading process piles were measured analyzed, as well load-settlement distribution different layers, internal forces, relative displacement. It established that there considerable deterioration residual deformation tip displacement throughout process, association between interface addressed. results reveal is directly connected nature layer, with a positive connection natural density, specific gravity, compression deformation, plastic index under immediate load, negative correlation moisture content, coefficient, variations after unloading. rose non-linear proportion operation, maximum value top 8.14 mm bottom 1.94 mm. perimeter distributed non-linearly depth, severely deteriorated an embedded depth 15 m, degradation degree silty layer being significantly smaller than clay soil. positively linked same coefficient much greater sandy