钻孔灌注摩擦桩承载性质模型试验与分析

MODEL TEST AND ANALYSIS FOR THE LOAD PROPERTY OF DRILL HOLE GROUTING FRICTION PILE

At present , it is very difficult to interpret the different results of making pile with satisfaction according to our theoretical knowledge of the load property of a drill hole grouting friction pile .Through model testing authors have made the regular experiment for the relation of the pile shape , the nodule and the property of the contact area of pile ground to the load by means of the similar principle . This paper describes the relation of the macroscopic boundary area of friction pile and soil formation to the load property .The more reasonable experimental equation for the allowance load force supplied on the axle of a single pile has been suggested . Moreover , authors have made more comprehensive technical analyses for reasonably making hole , pile and assuring pile load during the operation of drill hole grouting friction pile .