length of tension steel. A 12-inch concrete wall is supported on a continuous footing as shown. Use normal weight concrete with f'c =3000 psi. Determine if the development length of the tension steel is adequate. The steel is No. 6 at 8 inches oncenter. Assume fy is reached first at the face of the wall and development length is measured from that location.Bars are grade 60 and epoxy coated. 1'-6"-2'-3".12".-2'-3".3" clearfy3" clear

Answered: A 12-inch concrete wall is supported on…

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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Referenced concrete When designing the same bim Why is the load in the case of moment greater than the load in the case of shear?
A rectangular beam with a width of 8 in., an effective depth of 1ð in., and a total depth of 12 in. is reinforced with a single fiberglass reinforcing bar that has a cross-sectional area of 0.45 in?. The bar has a nominal tensile strength of 140,000 psi, a linear stress-strain curve to failure, and a strain at failure of 1.8 percent. The concrete strength f' = 6000 psi. Determine the nominal flex- ural strength of the section.
Determine the additional longitudinal reinforcements (mm2) due to torsion of a rectangular beam with a width of 469 mm and an over-all depth of 632 mm. It is subjected to a factored torsion of 110 kN-m. The specified compressive strength of concrete is 21.70 MPa. The yield strength of tension reinforcements and stirrups are 348 MPa and 278 MPa respectively. Use 12 mm stirrups. Round off only on your final answer (3 decimal places).
The 5-story building design project will have its beams and slab poured monolithically and formed a T- section as shown. Determine the design strength oMn in accordance with the ACI/NSCP Code. The tension steel is 9- 36 mm diameter bars (As of 36 mm = 1006 mm2) with three bars in each of three layers. Assume 12 mm stirrups are used, and there is 25 mm between layers. Use fc' = 28 MPa and fy = 413.70 MPa. 750 mm T175 mm 1000 mm 9-36 mm dibmeter bars 350 mm dooo
A normal-weight plain concrete beam is 6 in. x 12 in. is simply supported on a span of 4 ft and is subjected to a midspan concentrated load of 4500 lb. Assume f’c = 3,000 psi, and concrete unit weight is 150 lb/cf. Calculate the maximum concrete tensile stress using both methods, and compare it with the value for modulus of rupture (fr) using the ACIrecommended value based on f’c.
10. For parallel non prestressed reinforcement in a horizontal layer, clear spacing shall be at least the greatest of____, db and (4/3 max diameter of aggregates) a. 25mm b. 50mm c. 10mm d. 40mm
The 5-story building design project will have its beams and slab poured monolithically and formed a T- section as shown. Determine the design strength pMn in accordance with the ACI/NSCP Code. The tension steel is 9- 36 mm diameter bars (As of 36 mm = 1006 mm2) with three bars in each of three layers. Assume 12 mm stirrups are used, and there is 25 mm between layers. Use fc': 28 MPa and fy = 413.70 MPa. 750 mm T175 mm 1000 mm 9-36 mm diameter bars 350 mm
id last 2 digit 23
7.1 For each assigned problem, calculate the development length required for the following tension bars. All bars are bottom bars in normal-weight concrete unless specified otherwise in the notes. No. b h Bar No. f (ksi) f (ksi) 6 9 Clear Clear f, (ksi) Cover (in.) Spacing (in.) Notes 60 40 4 3 2.0 2.0 2.50 1.5 Lightweight aggregate concrete Epoxy coated
Load = 3000 lb Q:Find Stresses at: Section A-B & Section D-C "18.0"- "5,5" Plain Concrete: D Compressive Strength : 280 (Psi) "12.0"- "0.5"-
SUBJECT IS PRINCIPLES OF REINFORCED/ PRESTRESSED CONCRETE MUST COMPLETE AND DETAILED SOLUTIONS USED 3 DECIMALS FOR THE FINAL ANSWERS A rectangular beam has a width of 275 mm and an effective depth of 500 mm. It is reinforced with 4 - 36 mm ø bars having fy = 410 MPa. If he compressive strength of the concrete is 23 MPa, determine the following: a. Location of the neutral axis from the top of the beam. b. Stress of the steel. c. Ultimate capacity of the beam?

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