农村公路水泥混凝土路面早期病害处治规程

　 农村公路水泥混凝土路面早期病害处治规程

　Technical Regulation for early disease treatment on cement concrete pavement of rural highway

　DB ××/T ×××—20××

　I 目 录

　 前 言 ················································································································· V 1

　范围 ·························································································································· 1 2

　规范性引用文件 ·········································································································· 1 3

　术语和定义 ················································································································· 1 3.1

　 表面裂纹

　 SURFACE CRACKING

　···················································································· 1 3.2

　 露骨

　 SURFACE ANGULARITY

　······················································································· 1 3.3

　 坑洞

　 POT HOLE

　······································································································· 1 3.4

　 接缝料损坏

　 JOINT SEALING MATERIAL DAMAGE

　······························································· 2 3.5

　 接缝破损

　 JOINT DAMAGE

　·························································································· 2 3.6

　 拱起

　 BLOW UPS

　······································································································ 2 3.7

　 板角断裂

　 CORNER CRACK

　························································································· 2 3.8

　 破碎板

　 CRUSHED SLAB

　····························································································· 2 3.9

　 唧泥

　 PAVEMENT PUMPING

　·························································································· 2 3.10

　 板底脱空

　VOID UNDER SLAB

　······················································································ 2 3.11

　 错台

　 FAULTING OF SLAB ENDS

　···················································································· 2 3.12

　 沉陷

　 DEPRESSION

　·································································································· 2 3.13

　 翻修

　 PAVEMENT RECAPPING

　······················································································ 2 3.14

　 罩面 OVERLAY OF PAVEMENT

　······················································································ 2 4

　总则 ·························································································································· 2 5

　路面早期病害类型和分级 ······························································································ 3 5.1

　 一般规定 ··············································································································· 3 5.2

　 表面缺陷类病害 ······································································································ 3 5.2.1

　病害形态 ········································································································· 3 5.2.2

　病害等级 ········································································································· 4 5.2.2.1

　表面裂纹 ···································································································· 4 5.2.2.2

　起皮 ·········································································································· 4 5.2.2.3

　露骨 ·········································································································· 4 5.2.2.4

　坑洞 ·········································································································· 4 5.3

　 接缝损坏类病害 ······································································································ 5 5.3.1

　病害形态 ········································································································· 5 5.3.2

　病害等级 ········································································································· 6 5.3.2.1

　接缝料损坏 ································································································· 6 5.3.2.2

　接缝破损 ···································································································· 6 5.3.2.3

　拱起 ·········································································································· 7 5.4

　 断裂类病害 ············································································································ 8 5.4.1

　病害形态 ········································································································· 8 5.4.2

　病害等级 ········································································································· 8 5.4.2.1

　裂缝 ·········································································································· 8 5.4.2.2

　板角断裂 ···································································································· 9

　DB ××/T ×××—20××

　II 5.4.2.3

　破碎板 ······································································································· 9 5.5

　 板底支撑劣化类病害 ······························································································ 10 5.5.1

　病害形态 ······································································································· 10 5.5.2

　病害等级 ······································································································· 10 5.5.2.1

　唧泥和板底脱空 ························································································· 10 5.5.2.2

　错台 ········································································································ 11 5.6

　 竖向位移类病害 ···································································································· 12 5.6.1

　病害形态 ······································································································· 12 5.6.2

　病害等级 ······································································································· 12 6

　路面状况评定方法与标准 ···························································································· 13 6.1

　 一般规定 ············································································································· 13 6.2

　 路面状况调查 ······································································································· 13 6.3

　 路面状况评定 ······································································································· 14 7

　路面病害处治············································································································ 16 7.1

　 一般规定 ············································································································· 16 7.2

　 表面裂纹和起皮 ···································································································· 16 7.3

　 露骨 ··················································································································· 16 7.4

　 坑洞 ··················································································································· 16 7.5

　 接缝料损坏 ·········································································································· 18 7.6

　 接缝破损 ············································································································· 19 7.7

　 拱起 ··················································································································· 19 7.8

　 裂缝 ··················································································································· 20 7.8.1

　轻微裂缝 ······································································································· 20 7.8.1.1

　直接灌浆法 ······························································································· 21 7.8.1.2

　扩缝灌浆法 ······························································································· 21 7.8.2

　中等裂缝 ······································································································· 21 7.8.2.1

　条带罩面法 ······························································································· 21 7.8.2.2

　局部修补法 ······························································································· 22 7.8.3

　严重裂缝 ······································································································· 22 7.8.3.1

　集料嵌锁法 ······························································································· 22 7.8.3.2

　刨挖法（亦称倒 T 形法）

　············································································ 23 7.8.4

　无明显沉降的裂缝 ··························································································· 24 7.8.4.1

　脱空判定 ·································································································· 24 7.8.4.2

　植筋 ········································································································ 24 7.8.4.3

　灌缝 ········································································································ 25 7.8.5

　表面龟裂 ······································································································· 25 7.8.6

　工料 ············································································································· 26 7.8.7

　裂缝修补施工质量标准 ····················································································· 26 7.9

　 板角断裂 ············································································································· 26 7.10

　 破碎板 ·············································································································· 28 7.11

　 唧泥和板底脱空 ·································································································· 28 7.11.1

　轻微和中等唧泥和板底脱空 ············································································· 28 7.11.2

　严重唧泥和板底脱空 ······················································································ 28 7.11.2.1

　编号 ······································································································ 28

　DB ××/T ×××—20××

　III 7.11.2.2

　定板 ······································································································ 29 7.11.2.3

　布孔 ······································································································ 29 7.11.2.4

　钻孔 ······································································································ 29 7.11.2.5

　清孔 ······································································································ 29 7.11.2.6

　压浆 ······································································································ 30 7.11.2.7

　堵孔 ······································································································ 30 7.11.2.8

　清洗 ······································································································ 30 7.11.2.9

　封孔 ······································································································ 30 7.11.2.10

　养护 ····································································································· 30 7.12

　 错台 ················································································································· 31 7.12.1

　轻微错台 ····································································································· 31 7.12.2

　中等错台 ····································································································· 31 7.12.2.1

　人工处治法 ····························································································· 31 7.12.2.2

　机械处治法 ····························································································· 31 7.12.2.3

　人工配合机械处治法 ················································································· 31 7.12.3

　严重错台 ····································································································· 32 7.12.3.1

　沥青砂填补法 ·························································································· 32 7.12.3.2

　水泥混凝土填补法 ···················································································· 32 7.12.4

　工料············································································································ 33 7.12.5

　错台修补施工质量标准 ··················································································· 33 7.13

　 沉陷 ················································································································· 33 7.13.1

　轻微沉陷 ····································································································· 33 7.13.2

　中等和严重沉陷 ···························································································· 34 7.13.3

　整板沉陷并产生破碎 ······················································································ 34 附录

　A：路面病害检测方法 ···························································································· 35 A.1

　 板底脱空检测方法 ································································································ 35 A.2

　 错台检测方法 ······································································································ 35 附录

　B：路面修补材料 ·································································································· 37 B.1

　 裂缝修补材料 ······································································································ 37 B.2

　 接缝材料 ············································································································ 38 B.3

　 板块修补材料 ······································································································ 38 B.3.1

　修补材料选择要求 ·························································································· 38 B.3.2

　早强混凝土原材料组成 ···················································································· 39 B.3.3

　聚合物乳液细粒式混凝土材料及配合比要求 ························································· 39 B.4

　 板底脱空灌浆材料 ································································································ 39 附录

　C：路面养护维修机具 ···························································································· 41 C.1

　 裂缝修补机具 ······································································································ 41 C.2

　 接缝修补机具 ······································································································ 41 C.3

　 板块修补机具 ······································································································ 42 C.4

　 板底脱空处治机具 ································································································ 42 附件：条文说明 ············································································································· 44 4

　 总则 ····················································································································· 44 5

　 路面早期病害类型和分级 ·························································································· 44 5.2

　表面缺陷类病害 ································································································ 44

　DB ××/T ×××—20××

　IV 5.3

　接缝损坏类病害 ································································································ 44 5.4

　断裂类病害 ······································································································ 45 5.5

　板底支撑劣化类病害 ·························································································· 45 5.6

　竖向位移类病害 ································································································ 45 6

　 路面状况评定方法与标准 ·························································································· 45 6.2

　路面状况调查 ··································································································· 45 6.3

　路面状况评定 ··································································································· 46 7

　 路面病害处治 ········································································································· 46 7.2

　表面裂纹和起皮 ································································································ 46 7.3

　露骨 ··············································································································· 46 7.4

　坑洞 ··············································································································· 46 7.5

　接缝料损坏 ······································································································ 46 7.6

　接缝破损 ········································································································· 47 7.7

　拱起 ··············································································································· 47 7.8

　裂缝 ··············································································································· 47 7.9

　板角断裂 ········································································································· 47 7.10

　破碎板 ··········································································································· 47 7.11

　唧泥和板底脱空 ······························································································· 47 7.12

　错台 ·············································································································· 48 7.13

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