期刊文献+

淹没水射流土层扩孔方程 被引量:14

Equation of soil bore enlarging with submerged water jet and experimental study
下载PDF
导出
摘要 运用水射流理论与土力学理论,建立了水射流土层扩孔方程.基于室内模拟实验, 研究了射流参数与扩孔效果的关系,并验证了水射流土层扩孔方程的正确性.结果表明,增大射流流量比增大其压力对扩孔效果的提高更有效,实验参数βs主要与扩孔时钻杆的运动有关. The equation of soil bore enlarging with water jet was established based on the water jet theory and soil mechanical theory. Through indoor simulation test, the relationship between water jet parameters and bore-enlarging effect was studied. The results showed that the equation of soil bore enlarging with water jet is correct. Increasing the water jet flow quantity has more obvious effect on bore enlarging than increasing the water jet pressure. The experimental parameter βs is mainly related to the lifting speed and the rotational speed of the drill pipe.
作者 马飞 张文明
出处 《北京科技大学学报》 EI CAS CSCD 北大核心 2005年第3期268-271,共4页 Journal of University of Science and Technology Beijing
关键词 淹没水射流 扩孔 方程 土层 submerged water jet bore enlarging equation soil
  • 相关文献

参考文献5

二级参考文献1

共引文献35

同被引文献81

引证文献14

二级引证文献140

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部