Static Load Test Results on Static Pressed-in Square Piles
In a project,12 static pressed-in square piles were selected for the sacrificial static pile loading testing,which pro-vides a basis for the design of production piles.By calculating the characteristic values of the theoretical ultimate axial capacity of each single pile,and then converting them into the standard values(hereinafter referred to as theoretical values)and compa-ring them with the ultimate axial capacity of the single pile under the vertical compression(hereinafter referred to as test val-ues),the relationship between the theoretical value and the experimental value and the ending pressure are analyzed by monito-ring the peak value and the ending pressure.It is found that the end pressure of the pile with clay soil as bearing stratum is smaller than the test value,and the end pressure of the pile with sandy soil as bearing stratum is larger than the test value The experimental and theoretical values of the long pile foundation with clayey soil as bearing stratum accord with the linear regres-sion equation of single variable and the fitting degree is high.Suggestions to guide the construction of the production piles are obtained by observing the stratum where the pile tip is located when the peak of pile pressure presented.
Static Pressed-in PilesPile PressureStatic Axial Compressive Pile Loading Tests on Pingle PilesExcess Pore Water PressureLinear Regression Equation