Answered: fong Туре concrete beam shown in Fig.…

fong Туре concrete beam shown in Fig. 8.3. The beam has a rectangular cross- section of 0.3 m × 0.6 m and a effective span of 16 m. 0.1: 0.2 0.2 0.1 4 8 m 4 fc SO N/ mn? Pé = 800' KN Pe- 650 KN

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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Practice Problem 2.2 A 4m reinforced concrete cantilever beam has a width of 300 mm and a total depth of 560mm with an effective depth of 490 mm. It is reinforced with 5- 28 mm tension bars. Use fc= 30 MPa and Fy 415 MPa. In addition to live load and its own weight, the beam carries a 150-mm thick concrete slab (casted monolithically with the beam) with a tributary width of 4m The unit weight of concrete is 24 kN/m 3. Use 2010 NSCP. a) Detemine the net tensile strain in the extreme tension steel. b) Determine the value of neutral axis to the effective depth ratio. c) Determine the value of strength reduction factor for detemining the design flexural strength d) Calculate the design moment capacity of the beam in kN-m e) Find the maximum uniform service load acting over the entire span that can be supported by the beam
PROBLEM 3 1.8 Find the maximum allowable value of P for the column. The cross-sectional areas and working stresses (w) are shown in the figure. Steel: A=500 mm² -120 MPa Timber: 4P A-2000 mm² = 12 MPa Concrete: A = 8000 mm² 0-16 MPa FIG. P1.8
Dead Load= 20 kN/mLive Load= 30 kN/mUnit weight of concrete= 23.56 kN/cu.mf'c= 27.6 MPafy= 414 MPaCompute the shear and moment diagram.
Concrete
Problem A spiral column 600 mm in diameter has an unsupported height of 2.4 m. The column is bent in single curvature and is braced against side sway. Steel ratio is at 1.70%. Given: Axial loads at service condition Dead Load, DL= 3,384 kN Live load, LL = 1,549 KN Compressive strength, fc' = 27.5 MPa Steel yield strength, fy 413 MPa = Find the number of 32 mm diameter bars considering ultimate design load condition. (round up to the next whole number)
A reinforced concrete beam has a width of 30 mm and an overall depth of 480 mm. The beam is simply supported over a span of 5 m. Steel strength fy=415 Mpa and concrete strength fe=28 Mpa. Concrete cover is 70 mm from the centroid of the steel area. Unit weight of concrete is 26 kN/m³. Other than the weight of the beam, the beam carries a superimposed dead load of 18 kN/ m and a live load of 14 kN/m. a.) Determine the maximum factored moment on the beam. b.) If the design ultimate moment capacity of the beam is 280 kN/m, determine the required number of 20 mm tension bars. c.) If the beam will carry a factored load of 240 kN at midspan, determine the required number of. 20 mm tension bars.
A steel column of ISHB 350 @72.4 kg/m is subjected to a factored axial compressive load of 2000 kN. The load is transferred to a concrete pedestal of grade M20 through square base plate. Consider the bearing strength of concrete as 0.45 fck, where fck is the characteristic strength of concrete. Using limit state method and neglecting the self-weight of base plate and steel column, the length of a side of the base plate to be provided is
A flooring system consist of I-beam sections spaced at 3 m(center to center) and with simple spans of 6 m. The beams support a 200 mm thick slab. The flooring system is designed for a live load of 2400 N/m² as well as ceiling load of 750 N/m². The properties of the I-beam sections are : d = 352 mm, weight of beam = 440 N/m, moment of inertia , Ix = 0.0012 m⁴. Consider Fy = 248 MPa, E = 200000 MPa and wt. of concrete of 24 kN/m³. 1. Which of the following most nearly gives the uniform pressure acting on the slab? a. 6.2 kPa b. 7.95 kPa c. 5.2 kPa d. 6.10 kPa 2. Which of the following most nearly gives the total uniform load on the beam in kN/m? a. 19.71 kN/m b. 17.82 kN/m c. 24.29 kN/m d. 28.14 kN/m 3. Which of the following most nearly gives the initial stress on the beam due to deadload only assuming no shoring during construction? a. 12.1 MPa b. 8.91 MPa c. 10.4 MPa…
-3m 3 m Determine the resultant equivalent load and resultant couple moment w1=4 kN w2=7.5 kN
A 8 m simply supported singly reinforced beam has a width of B= 39 cm and a height H=61 cm. Concrete compressive strength, f'c-30 MPa Steel Yield Strength of longitudinal bars, fyl-420 MPa, Steel Yield Strength of transverse bars, fyt -280 MPa, Unit weight of concrete, 24.4 kN/m³. Steel cover of the beam = 6 cm It is desired that the capacity of the beam to be at balanced condition. If the structural engineer wants the optimization ratio of the design moment and capacity to be 0.66, calculate the maximum value of the live load in kN/m to meet such condition Use NSCP2015
For the following reinforcement determine the force in the elements DG, DF and EF (section method).
Question :- The width of the beam is 250 mm and the overall deep 620 mm. It has three equal spans of 6.0 m each. The beam is arranged at 3.5 m from center to center, while the thickness of the slab is 200 mm. The imposed live load qk on the beam is 45 kN/m and the dead load gk inclusive of self-weight of the beam is 75 Kn/m. the characteristic strength of materials are feu = 30N/m², fy = 460N/mm² and f 250N/mm², Assume that the mild exposure for the beam and the nominal cover of 25 mm. Design the beam