锥形桩形成的物理机制探究  

A Study of the Physical Mechanism of the Formation of Tapered Piles

作　　者：孙瑞雪 孙葳清 黄力行 吴建琴[1] 马晓栋[1] SUN Ruixue;SUNWeiqing;HUANG Lixing

机构地区：[1]新疆师范大学物理与电子工程学院,新疆乌鲁木齐830054

出　　处：《科技创新与应用》2021年第18期41-43,共3页Technology Innovation and Application

基　　金：新疆师范大学“新型光源与微纳光学”实验室基金资助项目(编号:XJNUSYS2019B07)

摘　　要：文章对非粘性颗粒物质形成锥形桩的过程进行了比较详细的理论分析和实验探究。主要结果有:锥形桩的形成过程中,其静止角随时间推移而增大;自然生长的颗粒物质自身直径越大,其形成锥形桩的静止角越大;颗粒物质研磨得越细则其对应的静止角越大;而在颗粒物浇筑过程中,其流速以及接触底面的粗糙程度对静止角的影响不大。This paper makes a detailed theoretical analysis and experimental study on the process of conical pile formed by non-viscous granular material.The main results are as follows:in the process of the formation of the tapered pile,the rest angle increases with the passage of time;the larger the diameter of the naturally grown granular material is,the larger the rest angle of the conical pile is;the finer the particle grinding is,the larger the corresponding rest angle is;while in the process of particle pouring,the flow velocity and the roughness of the contact bottom surface have little effect on the rest angle.

关 键 词：锥形桩 静止角 天然颗粒 研磨颗粒 摩擦机制 

分 类 号：TU473.1[建筑科学—结构工程]