Design values of concrete material properties according to EN1992-1-1 Unit weight γ. Dead load on a structure is the result of the weight of the permanent components such … The unit weight of concrete γ is specified in EN1991-1-1 Annex A.For plain unreinforced concrete γ = 24 kN/m 3.For concrete with normal percentage of reinforcement or prestressing steel γ = 25 kN/m 3.. Volume of beam 10.0 x 0.6 x 0.3 = 1.8 m 3 Unit weight of reinforced concrete = 24 kN/m 3 Therefore, dead load of beam = volume x unit weight = 1.8 m 3 x 24 kN/m 3 = 43.2 kN. Design of Slab (Examples and Tutorials) by Sharifah Maszura Syed Mohsin Example 2: Continuous one way slab Figure 1. The unit weight of concrete is 23.60 KN/m3 1 KN = 1,000 Newton 1 Newton = 0.1019 Kg 1,000 N = 101.9 Kgs = 1 KN Unit Wt. Wt. = 2,404.84 Kgs/m3 (Note that usually, a value of 2,400 Kgs/m3 is being used) It is used to reduce the weight of the structure with better thermal insulation and fire resistance. of Concrete = (23.60 x 101.9) Kgs/m3 Unit. Unit Weight of rcc concrete is around 2500 kg/m3 and their value in others unit is around 71 kg/ft3, 2.50g/cm3, 25.00kN/m3, 5513lb/m3 and … The unit weight of reinforcement concrete = 25 KN/m3 The unit weight of fine sand = 15.10 to 15.70 KN/m3. The unit weight of the concrete is 23.5 kN/m3. Characteristic compressive strength f ck. Dead load. Material Mass density(kg/m3) Weight density(kN/m3) Concrete (reinforced) 2500 kg/m3 25 kN/m3 . The unit weight of reinforced concrete for both dead load and modulus of elasticity shall be taken as 160 pcf for all structural analysis, except as approved by the Bridge Design Engineer for unique designs (like floating bridges). See the Bridge Design Manual, Section 4.1.1 and 6.1.2B. Table 2.2.1 : Unit Weight of Basic Materials Material Unit weight (kN/m3) Material Unit Weight (kN/m3) Aluminium Asphalt Brass Bronze Brick Cement Coal, loose Concrete ‐ stone aggregate (unreinforced) ‐ brick aggregate (unreinforced) Copper Cork, normal 2. Unit weight of steel 7850 kg/m3, cement 1440 kg/m3, sand (dry) 1540 to 1600 Kg/ m3, brick 1600 Kg/ m3, Aggregates 1750 kg/m3, bitumen 1040 kg/m3 Due to inadequate drainage, the water table has risen to the level indicated in the figure. Normal Weight Aggregate: Produces concrete with unit loads ranging from 23 to 26 kN / m3 with a specific gravity between 2.5 and 2.7. Unit Weight of reinforced cement concrete (rcc):-unit weight of rcc concrete measured in different metric system unit like kg/m3, kg/ft3, kN/m3, lb/m3, lb/ft3 & g/cm2. Details of a reinforced concrete cantilever retaining wall are shown in Figure 2. The unit weight of the concrete is 23.5 kN/m3 . Plain Concrete γ = weight density = 145 pcf ρ = mass density = 4.5 slugs/ft 3; Reinforced Concrete γ = weight density = 150 pcf ρ = mass density = 4.7 slugs/ft 3; Lightweight Concrete γ = weight density = 70-115 pcf ρ = mass density = 2.2-3.6 slugs/ft 3; Common Concrete Properties include (metric units): 18 mm. It has crushing strength at 28 days between 15 to 40 MPa. Details of a reinforced concrete cantilever retaining wall are shown in Figure 2. Due to inadequate drainage, the water table has risen to the level indicated in the figure. The unit weight of Stone Masonry = 20.40 to 26.50 KN/m3 The unit weight of Brick Masonry = 18.85 to 22 KN/m3 The unit weight of Plain Concrete = 24 KN/m3 The unit weight of Mastic Asphalt with 10mm thickness = 0.215 KN/m3 Solution for Calculate the weight of the wall from the given Cross Section by considering the unit weight of reinforced and plain concrete as γc=23 kN/m3 . so the answer is 23 kN / m³.

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