1.0.1 This Specification is formulated to adapt to urban road construction demands, improve urban ecological environment, enhance roadway traveling safety and comfort and standardize design, construction, inspection and maintenance of permeable asphalt pavement.
1.0.2 This Specification is applicable to the design, construction, inspection and maintenance of permeable asphalt pavement in newly-built, extended and rebuilt urban road engineering.
1.0.3 Type of permeable asphalt pavement shall be selected in accordance with comprehensive factors such as geology, load, climate and construction.
1.0.4 Other than this Specification, design, construction, inspection and maintenance of permeable asphalt pavement shall also meet those specified in relevant current national standards.
1 General Provisions 2 Terms 3 Material 4 Design 4.1 General Requirement 4.2 Structure Combination Design 4.3 Permeable Asphalt Mixture Design 4.4 Permeable Base Mixture Design 4.5 Cushion 4.6 Subgrade 4.7 Drainage Facility 5 Construction 5.1 General Requirement 5.2 Permeable Subgrade and Base Construction 5.3 Permeable Asphalt Surface Construction 6 Construction Quality Inspection 7 Maintenance Appendix A Testing Method of Connected Air Voids for Permeable Asphalt Concrete Explanation of Wording in This Specification List of Quoted Standards