We can construct an open channel with a 3% slope efficiently.
Features ■ Open channels with a 3-degree slope can be constructed with good workability. ■ The width of the channel can be freely selected, and it is possible to widen or narrow the channel at various points along its length. Design Conditions Superimposed Load ・・Q=10 kN/m² Unit Weight of Soil ・・W=18 kN/m³ Internal Friction Angle of Soil ・・Φ=30° Design Standard Strength of Concrete (Product) ・・・・・ σck=30 N/mm² (On-site Cast Part) ・・・・・ σck'=21 N/mm² Allowable Tensile Stress of Reinforcement ・・・・・・・・・・・・ σsa=176 N/mm² ■ The minimum width B of the channel will vary depending on the design conditions. (If lap joints are used for the connecting reinforcement in the on-site cast part, the minimum channel width B will be 2450 mm or more when H=1200.) We will consult separately regarding the minimum channel width. ■ Drainage holes (Φ75, 1 per meter) and drainage outlets (Φ25, 2 per meter) can be installed according to the intended use.
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basic information
Regarding the on-site casting section, please see below. ■Main Rebar The main rebar for the on-site casting section should be fully tied to the protruding rebar as a basic principle. If the design conditions differ, please contact us. ■Distribution Rebar It should be at least 1/6 of the cross-sectional area of the main rebar per meter, and as a guideline, please arrange D13 rebar at intervals of 25 cm or less.
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Applications/Examples of results
Open channels such as agricultural water channels, agricultural drainage channels, and sewage drainage channels.
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Milcon is creating a livable environment for people through concrete secondary products.
