磁法勘探在长春某小区城市病害埋藏物勘察中的应用  

Application of Magnetic Prospecting in Investigation of Buried Objects of Urban Diseases in a Community in Changchun

作　　者：宫明旭 Gong Mingxu(China Ship Survey and Design Institute Co.,Ltd.)

机构地区：[1]中船勘察设计研究院有限公司,上海市200063

出　　处：《勘察科学技术》2024年第2期51-54,64,共5页Site Investigation Science and Technology

摘　　要：磁法勘探作为一种成熟的物探手段,在地质找矿和城市物探等领域都得到了广泛应用,并取得了良好的效果。该文介绍了利用磁法勘探对长春某小区疑似埋藏废弃炸弹进行勘察的实例,总场和梯度测量确定了异常体的存在和大致位置,三维磁法反演结果查明了磁性异常体的埋藏位置、埋深和体量等信息。后经现场开挖验证了磁法勘探结果的准确性,成功排除了该区域工程建设中的安全隐患。实践表明,磁法勘探具有操作简单、效果显著、三维反演结果立体直观等特点,值得推广应用。The magnetic exploration,as a mature geophysical method,has been widely used in geological exploration and urban geophysical exploration,and has achieved good results.This article introduces an example of using magnetic exploration to investigate a suspected buried abandoned bomb in a residential area in Changchun.The existence and approximate location of the anomalous body is determined by magnetic general site and gradient survey.The three-dimensional magnetic inversion results indicate the burial location,depth,and volume of the magnetic anomalous body.The accuracy of the magnetic exploration results is verified through on-site excavation,and the safety hazards in the construction of the area are successfully eliminated.This practice shows that magnetic exploration has the characteristics of simple operation,significant results,and three-dimensional inversion results,which are worth promoting and applying.

关 键 词：磁法勘探 病害埋藏物 三维磁法反演 磁总场 水平梯度 

分 类 号：P631.2[天文地球—地质矿产勘探]