静力触探在识别地层夹层上的优势分析
Superiority Analysis of Static Cone Penetration in Identifying Strata Interlayer in Engineering Exploration
沈洲梁1
作者信息
- 1. 闽武长城建设发展有限公司,福建 福州 350001
- 折叠
摘要
文中以荣巨揽境小区项目工程为研究背景,探讨DCPTU在测量密度、判别软弱夹层、评价砂土的液化势及检验地基处理效果等方面的可靠性.结果表明,DCPTU与室内试验结果除个别数据存在偏差外,整体上基本一致,DCPTU方法应用于现场密度测量可靠、准确.锥尖阻力在2m处的抗剪强度显著降低,显示出软弱性,而密度曲线同样在 2m处达到最小值,进一步证实土层的软弱特性.
Abstract
This article takes the Rongju Lanjing community project as the research background,and explores the reliability of DCPTU in meas-uring density,identifying weak interlayers,evaluating the liquefaction potential of sandy soil,and testing the effectiveness of foundation treat-ment.The results indicate that the DCPTU method is generally consistent with the indoor test results,except for a few deviations.The DCPTU method is reliable and accurate in field density measurement.The shear strength of the cone tip resistance significantly decreases at 2 m,indi-cating weakness,while the density curve also reaches its minimum value at 2 m,further confirming the weak characteristics of the soil layer.
关键词
勘察/静力触探/地层夹层Key words
Survey/Static cone penetration test/Stratigraphic interlayer引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据