ICS93.080 CCSP51 4401 广州市地方标准 DB4401/T282—2024 城市道路挖掘修复技术规范 Technicalcodeofexcavationandrehabilitationforurbanroad 2024-10-14发布 2024-11-14实施 广州市市场监督管理局  发布 DB4401/T282—2024 I目次 前言.................................................................................III 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................1 4基本规定............................................................................2 4.1管理要求........................................................................2 4.2质量要求........................................................................2 4.3挖掘快速修复要求................................................................3 5挖掘修复设计........................................................................3 5.1一般规定........................................................................3 5.2断面设计........................................................................3 5.3路基设计........................................................................4 5.4垫层设计........................................................................5 5.5底基层和基层设计................................................................5 5.6沥青面层设计....................................................................6 5.7水泥混凝土面层设计..............................................................8 5.8铺砌路面设计....................................................................9 5.9人行道及附属设施设计...........................................................10 5.10非机动车道设计................................................................10 5.11挖掘快速修复设计..............................................................10 5.12挖掘临时修复设计..............................................................11 6交通疏解道路设计...................................................................12 6.1一般规定.......................................................................12 6.2平面...........................................................................12 6.3纵断面.........................................................................12 6.4横断面.........................................................................12 6.5交叉口.........................................................................12 6.6路基路面.......................................................................12 6.7交通疏解设计...................................................................13 7挖掘修复施工.......................................................................14 7.1一般规定.......................................................................14 7.2道路挖掘施工...................................................................14 7.3路基施工.......................................................................15 7.4垫层和基层施工.................................................................15 7.5沥青面层施工...................................................................16 7.6水泥混凝土面层施工.............................................................16 7.7铺砌路面施工...................................................................17 7.8人行道及附属设施施工...........................................................17 7.9挖掘应急修复施工...............................................................18 DB4401/T282—2024 II8挖掘修复质量控制与验收.............................................................18 8.1一般规定.......................................................................18 8.2大型挖掘修复工程的施工质量控制与验收...........................................19 8.3小型挖掘修复工程的施工质量控制与验收...........................................19 8.4应急挖掘修复工程的施工质量控制与验收...........................................22 9技术档案管理.......................................................................23 9.1一般规定.......................................................................23 9.2道路检查.......................................................................23 9.3档案管理.......................................................................23 9.4信息化管理