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在深基础工程中,钢筋混凝土预制桩能承受较大的荷载,坚固耐久,施工速度快,是广泛应用的桩型之一。锤击法是最常用的一种沉桩方法,但是在锤击沉桩过程中,往往会出现桩身突然倾斜错位,当桩尖处土质条件没有特殊变化,而灌入度逐渐增加或突然增大,同时当桩锤跳起后,桩身随之出现回弹现象,此种现象意味着预制桩桩身已断裂,那么是什么原因导致预制桩桩身断裂的呢?归纳起来大致有以下几种:
In deep foundation engineering, reinforced concrete precast piles can withstand large loads, strong and durable, construction speed, is widely used as one of the piles. Hammering method is one of the most commonly used method of pile sinking, but in the process of hammering pile sinking, there is often a sudden tilt deviation of the pile body. When there is no special change in the soil condition at the pile tip, the pouring degree gradually increases or suddenly increases Large, at the same time when the hammer jump, the pile followed by rebound phenomenon, this phenomenon means that the precast pile body has been broken, then what is the reason leading to the precast pile body break it? Summarized in the following Species: