T/CHCA 013-2022 Road technical specification for application of crushed stone stabilized gravel base using a highway mechanism
T/CHCA 013-2022 Road technical specification for application of crushed stone stabilized gravel base using a highway mechanism
Basic Information
Scope
Main technical content: 1.0.1 In order to standardize and guide the application of manufactured sand in cement-stabilized macadam base layers of highways and ensure the quality of cement-stabilized macadam base layer projects, these guidelines are formulated. 1.0.2 These guidelines apply to new construction and reconstruction projects of Class II and above highways using cement-stabilized macadam base layers and sub-base layers made from manufactured sand. Other grade highways may refer to these guidelines for implementation. 1.0.3 During the production and application of manufactured sand, attention should be paid to saving land, reducing energy and material consumption, and protecting the ecological environment. 1.0.4 The construction of cement-stabilized macadam base layers using manufactured sand on highways should establish and improve a quality and safety management system, clarify the quality and safety responsibilities of all staff, strengthen control and management, and actively apply information and digital technologies. 1.0.5 In addition to meeting the requirements of these guidelines, the application of manufactured sand in cement-stabilized macadam base layers on highways shall also comply with the provisions of relevant national and industry standards currently in force.