PET-scan
发表于 2025-3-25 05:42:26
André Riker,Marilia Curado,Edmundo Monteiroase the cementitious content of concrete, requiring high performance for bridge decks and highway pavement overlays, are prone to shrinkage and potential cracking. It has become a major maintenance issue for the States Department of Transportation (DOT) in the USA..Various factors affecting the dryi
四指套
发表于 2025-3-25 07:34:48
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有花
发表于 2025-3-25 15:15:53
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fringe
发表于 2025-3-25 16:47:06
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amnesia
发表于 2025-3-25 21:46:46
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Euphonious
发表于 2025-3-26 02:56:18
Concrete Materials,GBFS or slag cement), fine and coarse aggregates, and admixtures. The performance requirements for the concrete materials, which are covered by various industry standards including ASTM and ACI Codes, are summarized. The role of air-entraining and chemical admixtures and their benefit on concrete fr
裤子
发表于 2025-3-26 08:04:34
Concrete Mixture Design, forth for structural and mass concrete durability under various exposure conditions. As defined by ACI 318, for each class of concrete, and exposure condition, the minimum water-to-cementitious material ratios (w/cm) and minimum compressive strength are prescribed. The responsibility of selecting t
晚来的提名
发表于 2025-3-26 09:04:30
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Atmosphere
发表于 2025-3-26 14:40:24
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hauteur
发表于 2025-3-26 20:41:30
Mass Concrete, studies are included for placement of mass concrete for (a) bridge foundations and piers at Paerdegat Basin Bridge, Brooklyn, NY; (b) preassembled powerplant structure at Vidalia, LA; (c) powerhouse lifts around draft tube and scroll cases at Rainbow Powerhouse, Great Falls, MT; and (d) spillway ch