中国港湾建设
中國港灣建設
중국항만건설
China Harbour Engineering
2015年
11期
52-55
,共4页
高配筋率%钢筋保护层%电磁法%精度修正%快速检测
高配觔率%鋼觔保護層%電磁法%精度脩正%快速檢測
고배근솔%강근보호층%전자법%정도수정%쾌속검측
high reinforcement ratio%rebar cover%electromagnetic method%precision correction%rapid detection
结合港珠澳大桥岛隧工程混凝土配筋率高、钢筋保护层厚度大、120 a耐久性设计要求的特点和实际经验,通过电磁法检测高配筋率混凝土钢筋保护层厚度和实际保护层厚度的比对,对电磁法检测精度进行了统计分析,为工程快速准确测定保护层厚度提供了可靠的检测方法。
結閤港珠澳大橋島隧工程混凝土配觔率高、鋼觔保護層厚度大、120 a耐久性設計要求的特點和實際經驗,通過電磁法檢測高配觔率混凝土鋼觔保護層厚度和實際保護層厚度的比對,對電磁法檢測精度進行瞭統計分析,為工程快速準確測定保護層厚度提供瞭可靠的檢測方法。
결합항주오대교도수공정혼응토배근솔고、강근보호층후도대、120 a내구성설계요구적특점화실제경험,통과전자법검측고배근솔혼응토강근보호층후도화실제보호층후도적비대,대전자법검측정도진행료통계분석,위공정쾌속준학측정보호층후도제공료가고적검측방법。
Based on the island tunnel project of Hongkong-Zhuhai-Macao Bridge, according to its characteristics of high reinforcement ratio of concrete, big thickness of the steel bar protection layer, and 120 years of durability designed service life and the practical experiences, through the electromagnetic method to detect concrete protection layer thickness which has high reinforcement ratio, then compare to the actual thickness, we carried the statistic analysis on the detection precision of electromagnetic method, which can provide a reliable accurate method to rapidly and accurately measuring steel bar protection layer depth.