Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concretedoi:ASTM C138/C138M-091.1本试验方法包括测定新拌混凝土的密度(见注1),并给出了计算混凝土屈服强度,水泥含量和含气量的公式.屈服强度是指由已知数量的组成材料混合而成的混凝土体积.\n1.2以国际单位制或英寸...
1. Scope* 1.1 This speci?cation de?nes the requirements for grading and quality of ?ne and coarse aggregate (other than lightweight or heavyweight aggregate) for use in concrete.2 1.2 This speci?cation is for use by a contractor, concrete supplier, or other purchaser as part of the ...
2. Referenced Documents 2.1 ASTM Standards:3 C29/C29M Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate C40 Test Method for Organic Impurities in Fine Aggregates for Concrete C87 Test Method for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar C88 ...
Designation: A 497/A 497M – 07Standard Specif i cation forSteel Welded Wire Reinforcement, Deformed, for Concrete 1This standard is issued under the f i xed designationA 497/A 497M; the number immediately following the designation indicates the yearof original adoption or, in the case of ...
of SteelAssembliesA385 Practice for Providing High-Quality Zinc Coatings(Hot-Dip)A767/A767M Specif i cation for Zinc-Coated (Galvanized)Steel Bars for Concrete ReinforcementA780 Practice for Repair of Damaged and Uncoated Areasof Hot-Dip Galvanized CoatingsA902 Terminology Relating to Metallic Coated...
Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete 来自 掌桥科研 喜欢 0 阅读量: 2 标准号: ASTM C138/C138M-16a 摘要: 1.1 本试验方法包括密度的测定(见注1 )并给出了计算混凝土屈服,水泥含量和含气量的公式.屈服强度是指由已知数量的组成材料混合而成...
An important function is B2R of type binary_float -> R. Given a finite FP number, it returns the corresponding real number using the F2R function (see section 3.1.1). Otherwise, it returns zero (even for infinite inputs). In other words, this function relates concrete values of type bin...
1. The concrete mixer can be dragged to move by two wheels. 2. Cast iron ring gear enables steady and silent working. Features Adopting the design idea of high strength, high stiffness and high quality, we have designed streamline mixing drum, fully-enclosed frame and round handle, ...
5.The fourth axle adpoting American patented technical air suspension,can freely lift and down the lifting axle according to the weight and road environment,for concrete mixer/mixing truck. 6.Design of the luxury dashboard.Preferably with the interior material of the ca...
[translate] aa more durable frame, improved frame and insulated glassing unit (IGU) 一个更加耐久的框架、改善的框架和被绝缘的glassing单位 (IGU) [translate] aStandard Specification for Solid Load-Bearing Concrete Masonry Units, 正在翻译,请等待... [translate] ...