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concrete pavement ..... 365 section 504 approach slabs and gutters ... 368 section 505 portland cement concrete driveway ..... 371 section 506 portland cement concrete corrugations ..... 372 section 507 portland cement concrete
A dense, well‐graded aggregate blend is considered to provide the best RCC mixture. The recommended gradation is shown in Figure 1 (Harrington, et. al., 2010).
2014 Summary of Changes. Supplemental Specifications and Special Provisions to Arkansas’ 2014 Standard Specifications for Highway Construction. Arkansas 2003 Standard Specification for Highway Construction.
Test methods to be used to determine the maximum dry density and optimum moisture content of the material to be used as compacted fill. Maximum allowable thickness of each lift of compacted fill material. Field test method for determining the in-place dry density of the compacted fill.
8 Δεκ 2018 · Table values are based on reinforcing bars with a minimum yield strength of 60,000 psi concrete with a minimum specified compressive strength of 2,500 psi and vertical reinforcement being located at the centerline of the wall.
Objectives of safety, quality, and economy are given priority in these guide-lines for formwork. A section on contract documents explains the kind and amount of specification guidance the engineer/architect should provide for the contractor.
Concrete naturally can support the heaviest loads, such as truck traffic and the increasingly larger jumbo jets. There is less deformation than asphalt, and although the initial cost of concrete can be higher than asphalt, concrete usually has a useful life that is twice that of asphalt.
