打桩前必须对打桩过程进行计算分析,以确保安全。以6m开口钢管桩为研究对象,用GRLWEAP软件对打桩的动力学过程进行了分析。采用波动方程法模拟打桩过程中承载力、贯入度、拉应力和压应力、桩输入能量的变化,以了解打桩过程中可能出现的问题,计算桩能顺利贯入指定的深度。 Pile driving must be calculated and analyzed before piling to ensure safety. Taking 6m open steel pipe pile as the research object, the dynamic process of pile driving was analyzed by GRLWEAP software. The wave equation method was used to simulate the change of bearing capacity, penetration, tensile stress and compressive stress, and input energy of piles during pile driving in order to understand the possible problems during pile driving and to calculate the pile penetration smoothly to the specified depth.