The Behavior of Long Piles Under Compressive Loads in Sand
The Behavior of Long Piles Under Compressive Loads in Sand
复制标题
DOI：
10.1139/t73-030
复制
发表时间：
1973-08
影响因子：
3.6
通讯作者：
T. Hanna;R. Tan
中科院分区：
文献类型：
--
作者：
T. Hanna;R. Tan
对直径为15.9-38.1 mm、长度为1.8 m的密实干砂中的桩进行了实验室荷载试验。沉砂过程中，桩体埋入砂层中。施加了两种试验条件--在一种情况下，当在桩周围放置沙子时，桩可以自由沉降;在另一种情况下，桩的顶端被刚性夹紧，从而防止在放置沙子时桩发生任何移动。在桩的底部和桩长沿着的七个位置上安装了敏感的轴向载荷传感器。在试验准备期间，桩中锁定了一个残余力系统，发现这种初始残余状态控制了桩的后续载荷和运动特性。给出的数据显示，不同的长径比之间的10和112，不同的轴向灵活性，和不同的直径桩的载荷动员和共享的力学。此外，一系列的测试研究的意义，基脚位于定期沿着的支柱。
Laboratory load tests were conducted on piles 15.9–38.1 mm in diameter and up to 1.8 m long in a compact dry sand. The piles were buried in the sand stratum during sand placement. Two conditions of test were imposed—in one the pile was free to settle as the sand was placed around it and in the other the top end of the pile was rigidly clamped thus preventing any movement of the pile during sand placement. The piles were provided with sensitive axial load transducers at their base and at seven positions along their length.During test preparation a residual force system was locked in the pile and it was found that this initial residual state controlled the subsequent load and movement behavior of the pile. Data are given which show the mechanics of load mobilization and sharing for piles of different length–diameter ratios between 10 and 112, different axial flexibilities, and different diameters. In addition one series of tests examined the significance of footings located at regular intervals along the pi...