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This article summarizes the non-destructive testing techniques for concrete structures and their importance in evaluating the durability of concrete. With the aging of infrastructure, the demand for rapid and accurate evaluation and maintenance of concrete structures is increasing. Non destructive testing technology is highly valued for its ability to provide accurate evaluations without damaging the structure. The article introduces the main non-destructive testing methods, including ultrasonic testing, electromagnetic wave testing, and radiometric testing, and discusses in detail the application effects of these technologies in practical engineering. The advantages and disadvantages of each technology were also compared and analyzed. In the future, with the development of intelligence, integration, and portability, non-destructive testing technology will further improve detection efficiency and accuracy, and be widely used in long-term monitoring of infrastructure, providing technical support for extending the service life of structures and reducing maintenance costs.
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*SHI Wen-Hong, Senior Engineer, Nantong Tongjia Engineering Quality Testing Co., Ltd., Nantong 226001, China. E-mail:
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本文综述了混凝土结构的无损检测技术及其在评估混凝土耐久性方面的重要性。随着基础设施的老化,快速、精准地评估和维护混凝土结构的需求日益增长,无损检测技术因其不破坏结构且能提供准确评估而备受重视。文章介绍了主要的无损检测方法,包括超声波检测、电磁波检测和放射性检测,并详细讨论了这些技术在实际工程中的应用效果。各技术的优缺点也进行了比较分析。未来,随着智能化、集成化和便携性的发展,无损检测技术将进一步提升检测效率和准确性,广泛应用于基础设施的长期监测中,为延长结构使用寿命、降低维护成本提供技术支持。
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施文红,高级工程师,研究方向为市政检测、建筑工程及检测。
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*, address=Nantong Tongjia Engineering Quality Testing Co., Ltd. Nantong 226001 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1156668095604318400, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, authorId=1156668095453323448, language=CN, stringName=施文红, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
*, address=南通市通佳工程质量检测有限公司 南通 226001, bio={"content":"
施文红,高级工程师,研究方向为市政检测、建筑工程及检测。
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施文红,高级工程师,研究方向为市政检测、建筑工程及检测。
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2023, (01): 82-86., articleTitle=建筑混凝土材料检测存在的问题及质控措施, refAbstract=null), Reference(id=1156668099161088290, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, doi=null, pmid=null, pmcid=null, year=2022, volume=null, issue=24, pageStart=140, pageEnd=157, url=null, language=null, rfNumber=[19], rfOrder=18, authorNames=陈鹏, journalName=房地产世界, refType=null, unstructuredReference=陈鹏. 高性能混凝土耐久性分析[J].
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2022, (36): 99-101., articleTitle=桥梁混凝土结构耐久性现场检测探讨, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1156668095361048755, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, xref=null, ext=[AuthorCompanyExt(id=1156668095369437364, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, companyId=1156668095361048755, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Nantong Tongjia Engineering Quality Testing Co., Ltd. Nantong 226001 China), AuthorCompanyExt(id=1156668095373631669, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, companyId=1156668095361048755, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=南通市通佳工程质量检测有限公司 南通 226001)])], figs=[ArticleFig(id=1156668097433034988, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, language=EN, label=Table 1, caption=
Ultrasonic testing results, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测区域 | 裂缝位置 | 裂缝宽度 (mm) | 裂缝长度 (cm) | 超声波传播速度 (m/s) |
| 支撑结构 | 接近底部 | 4.0 | 30 | 3200 |
| 接合部 | 中部 | 2.5 | 15 | 3100 |
| 桥面 | 边缘 | 1.0 | 10 | 3300 |
), ArticleFig(id=1156668097529503983, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, language=CN, label=表 1, caption=
超声波检测结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测区域 | 裂缝位置 | 裂缝宽度 (mm) | 裂缝长度 (cm) | 超声波传播速度 (m/s) |
| 支撑结构 | 接近底部 | 4.0 | 30 | 3200 |
| 接合部 | 中部 | 2.5 | 15 | 3100 |
| 桥面 | 边缘 | 1.0 | 10 | 3300 |
), ArticleFig(id=1156668097600807154, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, language=EN, label=Table 2, caption=
Electromagnetic testing results, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测区域 | 腐蚀程度 | 备注 |
| 接缝区 | 高 | 接缝区由于结构设计容易积水,腐蚀情况比较严重 |
| 支座区 | 中到高 | 支座受力较大, 腐蚀加速 |
| 桥面中部 | 低 | 桥面长期暴露, 但由于排水良好, 腐蚀较轻 |
| 桥头 | 中 | 桥头接触地面, 受地面水影响发生腐蚀 |
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电磁波检测结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测区域 | 腐蚀程度 | 备注 |
| 接缝区 | 高 | 接缝区由于结构设计容易积水,腐蚀情况比较严重 |
| 支座区 | 中到高 | 支座受力较大, 腐蚀加速 |
| 桥面中部 | 低 | 桥面长期暴露, 但由于排水良好, 腐蚀较轻 |
| 桥头 | 中 | 桥头接触地面, 受地面水影响发生腐蚀 |
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Radiographic testing results, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测区域 | 缺陷类型 | 缺陷大小 (cm) | 位置深度 (m) | 备注 |
| 中心承载墙 | 深层裂缝 | 长度 150 ,宽度 5 | 4.5 | 可能引发进步 的裂缝扩展 |
| 侧翼墙 | 空洞 | 直径 70 | 3.0 | 需要填充以防 止水渗透 |
| 基础 | 结构薄弱点 | 区域性 | 2.5 | 地质活动影响 较显著 |
), ArticleFig(id=1156668097806328057, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, language=CN, label=表 3, caption=
放射性检测结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测区域 | 缺陷类型 | 缺陷大小 (cm) | 位置深度 (m) | 备注 |
| 中心承载墙 | 深层裂缝 | 长度 150 ,宽度 5 | 4.5 | 可能引发进步 的裂缝扩展 |
| 侧翼墙 | 空洞 | 直径 70 | 3.0 | 需要填充以防 止水渗透 |
| 基础 | 结构薄弱点 | 区域性 | 2.5 | 地质活动影响 较显著 |
), ArticleFig(id=1156668097873436923, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, language=EN, label=Table 4, caption=
Comparison and evaluation of the effectiveness of the three testing methods, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测方法 | 深度穿透能力 | 缺陷检测精度 | 操作速度 | 成本 | 适用场景 |
| 超声波检测(UT) | 高(可达几米) | 高(毫米级) | 中等 | 中等 | 深层裂缝、空洞检测 |
| 电磁波检测(ET) | 中等(数十厘米) | 中等(厘米级) | 快速 | 低 | 钢筋腐蚀、浅表缺陷检测 |
| 放射性检测(RT) | 非常高(数米以上) | 极高(亚毫米级) | 较慢 | 高 | 大型复杂结构、深层次缺陷检测 |
), ArticleFig(id=1156668097936351485, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156668078965515150, language=CN, label=表 4, caption=
三种检测方法的效果对比及评估, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测方法 | 深度穿透能力 | 缺陷检测精度 | 操作速度 | 成本 | 适用场景 |
| 超声波检测(UT) | 高(可达几米) | 高(毫米级) | 中等 | 中等 | 深层裂缝、空洞检测 |
| 电磁波检测(ET) | 中等(数十厘米) | 中等(厘米级) | 快速 | 低 | 钢筋腐蚀、浅表缺陷检测 |
| 放射性检测(RT) | 非常高(数米以上) | 极高(亚毫米级) | 较慢 | 高 | 大型复杂结构、深层次缺陷检测 |
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