CJJ 1-2008 (CJJ 1-2008 Newer Version) PDF English.

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CJJ 1-2008 CJJ INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA UDC P CJJ 1- 2008 Code for Construction and Quality Acceptance of Road Works in City and Town ISSUED ON: APRIL 02, 2008 IMPLEMENTED ON: SEPTEMBER 01, 2008 Issued by: Ministry of Housing and Urban-Rural Development (MOHURD) of the People's Republic of China Table of Contents 1 General Provisions ... 8 2 Terms and Codes... 9 2.1 Terms ... 9 2.2 Codes ... 9 3 Basic Requirements ... 9 4 Construction Preparation ... 12 5 Measurement ... 14 5.1 General Requirements ... 14 5.2 Plane Control Measurement ... 14 5.3 Elevation Control Measurement ... 19 5.4 Construction Positioning Measurement ... 20 6 Subgrade ... 23 6.1 General Requirements ... 23 6.2 Drainage and Dewatering in Construction ... 23 6.3 Earthwork Subgrade ... 24 6.4 Stonework Subgrade ... 27 6.5 Road Shoulder ... 28 6.6 Construction Processing ... 28 6.7 Special Soil Subgrade ... 29 6.8 Inspection Standard ... 34 7 Base ... 43 7.1 General Requirements ... 43 7.2 Lime Stabilized Soil Base ... 43 7.3 Base of Lime and Pulverized Fuel Ash Stabilized Gravels ... 46 7.4 Stabilized Soil Base of Lime, Pulverized Fuel Ash, and Steel Slag ... 48 7.5 Cement Stabilized Soil Base ... 49 7.6 Graded Sand Gravel and Graded Gravel Base ... 51 7.7 Graded Crashed Stone and Graded Crashed Gravel Base ... 52 7.8 Inspection Standard ... 54 8 Mixed Charge Level of Bitumen ... 60 8.1 General Requirements ... 60 8.2 Hot Mixed Bituminous Mixed Surface Course... 71 8.3 Cold Mixed Bituminous Mixed Surface Course ... 77 8.4 Prime Coat, Tack Coat and Seal Coat ... 77 8.5 Inspection Standard ... 79 9 Bituminous Penetration Type and Bituminous Surface Treatment Surface Course ... 84 9.1 General Requirements ... 84 9.2 Bituminous Penetration Surface Course ... 84 9.3 Bituminous Surface Treatment Surface Course ... 86 9.4 Inspection Standard ... 88 10 Cement Concrete Surface Course ... 91 10.1 Raw Materials ... 91 10.2 Concrete Mix Proportion Design ... 95 10.3 Construction Standard ... 101 10.4 Shuttering and Reinforcement ... 102 10.5 Stirring and Transportation of Concrete ... 105 10.6 Concrete Paving ... 106 10.7 Surface Coarse Curing and Joint Filling ... 109 10.8 Inspection Standard ... 110 11 Paved Surface Course ... 114 11.1 Rock Surface Course ... 114 11.2 Precast Concrete Block Surface Course ... 115 11.3 Inspection Standard ... 116 12 Surface Course of Squares and Parks ... 119 12.1 Construction Technology ... 119 12.2 Inspection Standard ... 119 13 Sidewalk Paving... 124 13.1 General Requirements ... 124 13.2 Paved Surface Course for Sidewalk by Dressed Stone and Precast Block ... 124 13.3 Sidewalk Surface Course Paved by Bituminous Mixture ... 125 13.4 Inspection Standard ... 125 14 Pedestrian Underpass Structure ... 129 14.1 General Requirements ... 129 14.2 Cast-in-place Reinforced Concrete Pedestrian Underpass ... 129 14.3 Pre-casting and Installation of Reinforced Concrete Structure Pedestrian Underpass ... 134 14.4 Masonry Wall and Reinforced Concrete Top Plate Structure Pedestrian Underpass ... 135 14.5 Inspection Standard ... 136 15 Retaining Wall ... 141 15.1 General Requirements ... 141 15.2 Cast-in-place Reinforced Concrete Retaining Wall ... 141 15.3 Assembled Reinforced Concrete Retaining Wall ... 141 15.4 Masonry Retaining Wall ... 141 15.5 Reinforced Earth Retaining Wall ... 142 15.6 Inspection Standard ... 142 16 Auxiliary Structure... 149 16.1 Curb ... 149 16.2 Rain Drainage Branch Pipe and Gully ... 151 16.3 Drainage Ditch or Intercepting Ditch ... 151 16.4 Inverted Siphon and Culvert ... 152 16.5 Slope Protection ... 152 16.6 Isolation Pier ... 153 Code for Construction and Quality Acceptance of Road Works in City and Town 1 General Provisions 1.0.1 This code is formulated with a view to strengthening the construction technology management of roads in city and town, standardizing construction requirements, unifying inspection and acceptance standard of construction and quality as well as improving engineering quality. 1.0.2 This code is applicable to the inspection and acceptance of the construction and quality of constructed, renovated or extended roads, squares, parks in city and town. 1.0.3 The quality standard of materials, semi-finished products and or finished products shall be in accordance with the relevant national current standards. 1.0.4 The construction and quality acceptance of road works in city and town shall not only meet the requirements stipulated in this code, but also comply with those in the current relevant ones of the nation. 4 Construction Preparation 4.0.1 Before commencement, the development organization shall make technical disclosure to the relevant personnel from construction, supervision and design organizations, and prepare relevant documents. 4.0.2 Before commencement, the development organization shall provide the construction organization with detailed information on the site conditions of underground pipelines at or around the construction site as well as geological, meteorologic and hydrographic observation information; The relevant facility management organization shall make detailed technical disclosure to the relevant technical management personnel; the removal, relocation, protection or strengthening schemes of overground and underground pipelines within the construction area shall be studied and determined, and relevant documents shall be prepared and implemented. 4.0.3 Before commencement, the development organization shall organize the design and survey organizations to hand over site measurement control piles as well as bench marks to the construction organization, and relevant documents shall be prepared. The construction organization shall formulate a construction measurement scheme and determine measurement control network, lines and points according to the actual conditions. 4.0.4 The construction organization shall organize relevant personnel to make comprehensive and deep investigation on the construction site according to information provided by the development organization, learn about the topographic, landform and environmental conditions on site, master the supply conditions of such resources as water, electricity, manpower and equipment, and verify the conditions of pipelines, structures, rivers and lakes, landscapes, poles and lines as well as cultural relics and historic sites within the construction coverage. 4.0.5 Before commencement, the construction technology personnel shall make careful review on the construction drawings. If any problem is discovered, the construction technology personnel contact the designer promptly for change, and relevant documents shall be prepared. 4.0.6 Before commencement, the construction organization shall prepare construction organization design. The construction organization design shall be prepared according to the contracts, bidding documents, design documents, relevant construction laws and regulations, standards, codes and specifications as well as site conditions. The construction organization design shall include construction arrangement, construction plan, guaranteed quality, safe guarantee systems and technical measures, necessary special construction design as well as environment protection and traffic dispersion measures. 4.0.7 Before construction, the measuring instruments and tools shall be verified and the materials shall be inspected. 4.0.8 Before construction, the quality guarantee plan as well as the unit engineering, subsection engineering, subitem engineering and inspection lot for engineering quality control shall be determined according to the construction organization design and submitted to the supervision engineer for approval before implementation; moreover, they shall be regarded as the foundation of construction and quality control. 4.0.9 Before commencement, safe technology training shall be carried out on the site operation personnel according to the engineering characteristics, and qualification training shall be carried out for the personnel for special work. 5 Measurement 5.1 General Requirements 5.1.1 Before construction measurement, the following preparation shall be made: 1 The development organization shall organize the design and survey organizations to hand over the pile points to the construction organization., provide control network, point grade and initial numerical data in construction drawings as well as prepare relevant documents. The construction organization shall carry out site survey and rechecking. 2 The construction organization shall organize relevant personnel to learn about the design documents and corresponding technical standards, as well as prepare construction measurement plan according to the engineering needs. 3 Compliance inspection shall be carried out on measuring instruments, equipment and tools before using them so as to ensure they meet relevant requirements. The instruments, equipment and tools which are not verified or calibrated, or exceed the verified validity period or fails to pass the verification must not be used. 5.1.2 Before commencement, the construction organization shall carry out office and site rechecking on datum point, datum line and height measurement control data specified in construction drawings. During rechecking, if any unconformity or link-up problem with adjacent road section or bridge under construction is discovered, it shall be reported to the development organization for enquiry so as to obtain an accurate result. 5.1.3 Before commencement, the construction organization shall submit a written measurement rechecking report to the development organization within the period specified in contracts. Upon signature and approval by the supervision engineer, it may be regarded as a reference to construction control pile positioning measureme.......
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