Design a uniform distribution of vertical and hori-zontal reinforcement for the structural wall shownD = 40 k, L = 25 k150 kin Fig. P18-2. Your design must satisfy all of theACI Code strength requirements, as well as therequirements for minimum reinforcement percent-age and maximum spacing. The given lateral loadsare strength-level wind forces, considering bothdirect lateral forces and the effects of any torsion.12 ftD = 70 k, L= 60 k110 kUse a load factor of 1.0 for the wind load effects.h = 10 in.12 ftAssume the wall is constructed with normal-weightconcrete that has a compressive strength of 4000 psi.Assume all of the steel is Grade 60.20 ftFig. P18-2

Answered: Design a uniform distribution of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A 300 mm X 450 mm exterior beam is reinforced with 2 – Ø20 mm and 1 - Ø25 mm bars on the first layer of tension reinforcement (larger bar is at the middle), 2 tension reinforcement, 3 – Ø25 mm for compression reinforcement and Ø12 mm for stirrups. From analysis the depth of the tension zone is 344 mm, if the tension steel has a yield strength of 420 MPa and the compression steel has a yield strength of 414 MPa. Determine the following using all the NSCP provision (larger bar always governs the spacing) to check and layout the beam: Ø25 mm on the second layer of - A. The compressive stress in the concrete B. The depth of compression block C. Ultimate Moment Capacity of the beam
Design a uniform distribution of vertical and horizontal reinforcement for the structural wall shown inFig. Your design must satisfy all the ACI Code strength requirements, as well as the requirements forminimum reinforcement percentage and maximum spacing. The given lateral loads are strength-levelwind forces, considering both direct lateral forces and the effects of any torsion. Use a load factor of 1.6for the wind load effects. Assume the wall is constructed with normal-weight concrete that has acompressive strength of 4000 psi. Assume all the steel is Grade 60.
AT-beam behaves as a rectangular beam of a width equal to its fange if its neutral axis: OA Remains below the slab thickness B. Remains within the flange OCAI Oo.Coincides the geometrical center of the beam
Determine the section size and reinforcement amount required for 4 m simply supported singly reinforced concrete rectangular beam if the service dead load =9 kN/m and the service live load = 26KN/m. Note that the concrete compressive strength f'.=28 MPa and %3D reinforcement tensile strength fy = 400 MPa. %3D
Given data: Beam width, bw = 300mm Tension Steel bars = 8-25mm ᴓ equally-placed in two layers Effective depth to centroid of entire reinforcement, d = 512.5 mm Effective depth to centroid of outer layer of reinforcement, dt = 537.5 mm Concrete Strength, fc’ = 42 MPa, Steel strength fy = 415 MPa Using NSCP 2010: Determine the location of the neutral axis of the section. Determine the value of the strength reduction factor ᴓ for flexure. Determine the flexural strength of the section in kNm.
Design the load bearing reinforced concrete wall shown if fc' = 3000 psi and fy = 60000 psi. For horizontal and vertical shear reinforcement: Use #4 rebar = 0.5" = 12 mm For vertical flexural reinforcement: Use #9 rebar = 1.128" = 28 mm Vu at the top = 100 kips Lw = 8 ft, hw = 15 ft, thickness of shear wall = 8 in
A simply supported beam 300 mm wide, 500 mm deep and spans 5.3 m supports a service super imposed dead load of 8 kN/m and service live load of 6 kN/m. Concrete strength f’c = 21 MPa and steel yield strength fy = 415 MPa. Concrete cover to bar centroid is 70 mm. Determine the required amount of tensile reinforcement in mm^2 as per provisions of NSCP 2015.
considering the nominal shear stress on concrete is fv=0.9 mpa calculate the allowable max spacing for 2 legged 10mm stirrups? use simplified calculation for Vc. Beam dimensions are 350x794mm effective cover of steel reinforcement = 70mm fy=275mpa spacing should be in multiples of 10mm
Q.20 The main reinforcement in RC slab consists of 10 mm diameter bars at 100 mm c/c spacing. When 10 mm bars are replaced by 12 mm diameter bars then spacing would be
28. In a doubly reinforced section, the required compressive reinforcement is provided for the: A) bending moment in excess of M lim of singly reinforced section B) bending moment equal to M lim of singly reinforced section C) shear force of the beam section D) shear force in excess of the V lim of single reinforced section
What is the reinforcement ratio for a beam with f'c = 4000 psi and fy = 40000 psi if the kbar = 0.4323 ksi? Type your answer...
The beam shown has a 30-ft simple span, fc' = 5000 psi, fpu = 250,000 psi, and the initial prestress is 160,000 psi, fpy = 0.85fpu, and 10% losses. %3D (a) Calculate the concrete stresses at the top and bottom of the beam at midspan immediately after the tendons are cut. (b) Recalculate the stresses at midspan after assumed prestress losses in the tendons of 20%. (c) What maximum service live load can this beam support in addition to its own weight if allowable stresses of 0.6fc' in compression and 12fc' in tension are permitted? 21 in. 24 in. 0.9 in.2 3 in. 14 in.-

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