reinforced concrete design , ACI code Shear Strength of Flexural Members Design for shear forces The...
reinforced concrete design , ACI code Q4 Design of isolated footings A 500 mm x 250 mm reinforced concrete column carries unfactored dead load of 1400 kN and unfactored dead load of 600 kN. The column is supported by a rectangular footing located 2.00 meters below ground level where the allowable soil bearing capacity is 292.4 KPa and unit weight is 20 kN/m2. Concrete compressive strength is 35 MPa and reinforcing steel yield strength is 420 MPa. 1. Calculate the...
A reinforced concrete beam has the following properties: Beam width, b = 320 mm Effective depth, d = 640 mm Concrete strength, f’c = 21 MPa Reinforcing steel strength, fy = 400 MPa If the factored shear force at the critical section is 210,000 N, compute the nominal shear carried by the shear reinforcement. EXERCISE - USD SHEAR 1. A reinforced concrete beam has the following properties: Beam width, b = 320 mm Effective depth, d = 640 mm Concrete...
Q4 Design of isolated footings A 500 mm x 250 mm reinforced concrete column carries unfactored dead load of 1400 kN and unfactored dead load of 600 kN. The column is supported by a rectangular footing located 2.00 meters below ground level where the allowable soil bearing capacity is 292.4 KPa and unit weight is 20 kN/m2. Concrete compressive strength is 35 MPa and reinforcing steel yield strength is 420 MPa. 1. Calculate the required dimensions of a 600 mm...
Task 1: (50 Marks) Cross section of a reinforced concrete beam is shown in Figure 1. The following shear forces have been calculated due to Dead Load and Live Load at the support: VDL = 150 kN, ViL = 200 kN. Design the shear reinforcement for the ultimate shear force. Use No. 10 bars for shear reinforcement Assume "fe, = 28 MPa, fyt-420 MPa, b = 300 mm, d = 750 mm, h = 800 mm Figure 1. Beam cross-section
ACI code Interaction Diagrams and Strain Compatibility for Columns The column cross-section is 300 mm x 500 mm and is not in contact with the ground or exposed to the weather. Ties are #10 bars and longitudinal reinforcement is # 19. Concrete compressive strength is 42 MPa and steel yield strength is 420 MPa. Calculate the axial load carrying capacity, OP and flexural capacity OM, for point in the interaction diagram with bending about the 3-3 axis where the tensile...
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength of fc 30 MPa, reinforced with 5-25 mm diameter steel bar at the effective depth of 500 mm. If is subjected to a moment, M 130 kN-m. Determine the following: Magnitude of the bending moment that cracks the singly-reinforced beam section. (10 pts) b. For the computed cracking moment, determine the maximum compressive stress in the concrete and the stress in the tension steel....
simply supported reinforced concrete beam of rectangular section is hung on the left end by a 400mm square post working in tension, as shown in the figure below. The beam supports a uniform dead load (DL) gf 100 KN/m (excluding its own weight) and upiform live load LL) of 40KN/m. The beam is reinforced with 025 longitudinal rebars with 40mm cleat cover to the stirrups. Material properties: fy 420 MPa, fe 25 MPa. Beam dimension b 400mm and h 600mm....
roblem 3 (10 pts)- Structural reinforcement of reinforced concrete beams Explain briefly: a) what is the expected crack pattern in the following reinforced concrete beam (for flexural moments and shear) b) which type of structural reinforcement is strictly required and where, based on the cracked pattern Ultimate load w Ultimate load w roblem 3 (10 pts)- Structural reinforcement of reinforced concrete beams Explain briefly: a) what is the expected crack pattern in the following reinforced concrete beam (for flexural moments...
Problem 3. Given the reinforced concrete floor system below, determine the following: a) the design flexural strength ??? at the midspan of an edge beam (L-beam) b) the design flexural strength ??? at the midspan of a typical interior beam (T-beam) Assume fc 5500 psi and Grade 60 reinforcement. The span is 25 feet out of the page. a) b) 4 no. 6 4 no. 6 I2.4 n. 16 in. 16 in. 12 ft. 12 ft.
A simply supported reinforced concrete beam of 8 m span is subjected to uniformly distributed load as shown in Figure 3. The following data are given: The ultimate load, wu is 60 kN/m; characteristic strength of concrete, fck is 30 N/mm²; characteristic strength of reinforcement, fyk is 500 N/mm2. The effective depth, d is 650 mm. Take the link diameter, w as 10 mm, main bar diameter, o as 20 mm and concrete cover as 30 mm. Design the shear...