检测位置292424293028262529272426252826272526242726282728483651444044保护层厚度（mm）262827252826272829262726242625282627282426272625464647364742262624232625272627262829282927292729272627282927393835353836292726272627262827262928262726272825272628292729453536353742272728262428252827292827262527282629282726252826474834263435最大值（mm）最小值（mm）1#横梁左侧29241#横梁中部29231#横梁右侧30242#横梁左侧28252#横梁中部29262#横梁右侧29244#横梁左侧29244#横梁中部29254#横梁右侧29255#横梁左侧28245#横梁中部29255#横梁右侧1-1#墩左侧面1-1#墩左侧面1-1#墩右侧面29254835512647341-2#墩左侧面1-2#墩左侧面1-2#墩右侧面462846464548453542464446424442364234454842354329484336253235482846254829平均值（mm）评定标准差特征值设计值 Dne1.5224.32Dnd500.49标度值5对混凝土耐久性影响钢筋失去碱性保护发生锈蚀钢筋失去碱性保护发生锈蚀有较大影响26.925.91.9122.66500.45526.81.7523.83400.60426.61.1724.61400.624有较大影响27.31.2525.18400.634有较大影响27.21.5524.57400.614有较大影响26.41.5823.73400.594有较大影响271.1525.04400.634有较大影响26.81.4824.30400.614有较大影响26.41.4323.98400.604有较大影响271.2524.89400.624有较大影响27.21.3224.97400.624有较大影响42.85.1834.02350.971影响不显著37.97.3125.51350.733有影响39.54.2232.34350.922有轻度影响42.46.2831.76350.912有轻度影响39.66.6728.29350.813有影响39.86.6628.51350.813有影响