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岩土工程勘察中孤石的探测方法研究

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花岗岩类残积土层、全风化层、中风化层、微风化层常揭露到孤石.岩体裂隙存在的不均匀性、不规则性,导致岩体风化程度不均,在地下水综合影响下最终形成物理力学性质与周边岩土体有巨大差异的孤石,对工程施工存在较大影响,工程建设中都会花费较大投入去处理.在工程勘察中对孤石准确位置和其空间形态分布探测成为一项必需的工作,本文运用多项技术和方法对比,总结岩土工程勘察中孤石的综合探测方法,对工程的施工建设和成本造价具有较为重要的意义.
RESEARCH ON THE DETECTION METHOD OF SOLITARY STONES IN GEOTECHNICAL ENGINEERING INVESTIGATION
Solitary stones are often exposed in residual soil layers,fully weathered layers,moderately weathered layers,and slightly weathered layers of granite.The unevenness and irregularity of rock fractures lead to uneven weathering of the rock mass,which ultimately forms solitarystones with significant differences in physical and mechanical properties from the surrounding rock and soil under the comprehensive influence of groundwater.This has a significant impact on engineering construction,and requires significant investment to deal with.Detecting the accurate location and spatial distribution of these solitarystoneshas become a necessary task in engineering surveys.In this paper,by comparing multiple techniques and methods,a comprehensive detection method for solitarystones in geotechnical engineering surveys was summarized,which is of great significance for the construction and cost estimation of engineering projects.

Solitary StonesDetectionGeophysical Exploration MethodProcessing MethodGeotechnical Engineering InvestigationGuangdong

欧志笔、黄加旭

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广东省工程勘察院,广东广州 510510

孤石 探测 地球物理探测方法 处理方法 岩土工程勘察 广东

2024

云南地质
云南省地矿总公司 云南省地质矿产勘查院

云南地质

影响因子:0.259
ISSN:1004-1885
年,卷(期):2024.43(3)