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阿拉伯联合酋长国卡里法市 B城是一座新规划城市 ,位于中东海湾沙漠海滩区 ,由于第三系、第四系地层中含有大量的石膏等萨布哈 (Subkha)蒸发盐岩类 ,大范围发育有大量地下溶洞 ,其埋藏深度一般为 5 m～ 15 m,严重影响了城市建设及工业区开发。在该区采用了高密度电阻率法 ,克服了地表接地电阻大和溶洞与围岩电性差异小的困难 ,查明了地下 2 0 m深度范围内地下溶洞分布情况 ,经阿方技术专家验证评价 ,该次勘查成果可靠 ,达到了预期目的。
City B, Kalifa, United Arab Emirates City B is a newly planned city located in the desert beach area of the Middle East Gulf. Since the Tertiary and Quaternary strata contain a large amount of Subkha evaporites such as gypsum, There are a large number of underground caverns developed, the buried depth is generally 5 m ~ 15 m, seriously affecting the urban construction and industrial development. High-density resistivity method was adopted in this area to overcome the difficulty of large ground resistance of the earth’s surface and small difference between the electrical properties of the karst cave and the surrounding rock. The distribution of underground karst cave in the depth of 20 m underground was verified. The survey results were reliable and achieved the expected purpose.