| 摘要 |
PROBLEM TO BE SOLVED: To provide a foundation construction method capable of driving a long pile member efficiently at a high accuracy and low costs, even into a soft ground.SOLUTION: A foundation construction method is for constructing a foundation 1, with a guide member 10 provided with a tube part 12 and at least two pile members 20 inserted into the tube part 12 of the guide member 10, the tube part 12 having a central axis inclined from the vertical direction and extending without interfering with each other. The foundation construction method includes steps S1, S2 in which the guide member 10 is temporarily fixed on a ground surface, steps S3 to S7 in which the pile member 20 is inserted into the tube part 12 of the guide member 10 and at least a tip of the pile member 20 is driven into the ground, a step S8 for calculating the bearing capacity of the pile member 20 based on the amount of time needed for driving the pile member 20, and a step S9 for determining whether or not the position of the guide member 10 and the bearing capacity of the pile member 20 are within a prescribed tolerance. |
