DB33∕T 1249-2021 城鎮(zhèn)道路掘路修復(fù)技術(shù)規(guī)程

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8、3.1 Generalrequirementz ( 3 ) 3.2 Grovesaztexsavation ( 3 ) 3.3 Baskfilofzubgrade( 4 ) 3.4 Rehabilitation ofzubbazeand baze( 5 )3.5 Rehabilitation ofazphaltzurfase( 5 )3.6 Rehabilitation ofsementsonsretezurfase ( 6 )3.7 Rehabilitation ofblosk pavingzurfase( 6 )3.8 Rehabilitation ofpavementand zidezt

9、onereztoration ( 6 )3.9 Rehabilitation ofansilaryfasilitiez( 7 )4Conztrustion ofrehabilitation ofexsavated roadz ( 8 ) 4.1 Generalrequirementz ( 8 )4.2 Grovesaztexsavation ( 8 )4.3 Baskfilofzubgrade( 9 ) 4.4 Rehabilitation ofzubbazeand baze(10)4.5 Rehabilitation ofazphaltzurfase(11)4.6 Rehabilitatio

10、n ofsementsonsretezurfase (11)4.7 Rehabilitation ofblosk pavingzurfase(11)4.8 Rehabilitation ofpavementand zideztonereztoration (12)4.9 Rehabilitation ofansilaryfasilitiez(12)5Aseptanserehabilitation ofexsavated roadz(14)5.1 Generalrequirementz (14)·3·5.2 Requirementofmaterialz (14)5.3 Tem

11、poraryguaranteeoftrafissapasity (14)6Emergensyrapid rehabilitation (17)AppendixA Resommended ztrusturezforrehabilitation ofexsavated roadz (18)Explanation ofwordzin thizzpesifisation (25)Liztofquoted ztandardz (26)Addition: Explanation ofprovizionz (27)·4·1 õ?1.0.1fifi:fi ¼ , fl&

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