摘要
对单桩和带承台单桩进行静载试验比较,桩身与承台下传感器得到了如下荷载传递特性:桩顶荷载分担比随总荷载增加而减小,承台使上部桩身轴力分布平缓,桩侧摩阻力受到削弱,摩阻力传递函数出现软化现象,但同时下部摩阻力发挥得到增强,而桩顶刚度变化不大。这些成果对于桩与承台共同作用特性研究具有重要参考价值。
Load transfer tests of single pile and single pile with cap are conducted. The main characteristics of load transfer are as follows： the load on pile top is decreased while the total load increased. The cap on pile top makes distribution of axial force gently, frictional resistance decreased, and transfer function softened at upper pile shaft; meanwhile, frictional resistance at the rest increased; rigidity of pile top is changed a little.
出处
《岩土力学》
EI
CAS
CSCD
北大核心
2005年第9期1399-1402,1408,共5页
Rock and Soil Mechanics
关键词
单桩
承台
静载试验
荷载传递特性
single pile
cap
static load test
characteristic of load transfer
