A rectangular beam having a section of 300mm X 500mm is to carry a live moment of 180 KN-m and a dead load moment of 150 KN-m( including its own weight) . Assume concrete cover of ( measured from bar centroid) to be 70 mm in compression and 80mm in tension. Use fc'= 27.6 MPa and fy=345 MPa. What is the required area of steel in compression? O 4896.70 sq.mm O 3467.96 sq.mm O 1428.74 sq.mm O 1248.74 sq.mm

A rectangular beam having a section of 300mm X 500mm is to carry a live moment of 180 KN-m and a dead load moment of 150 KN-m( including its own weight) . Assume concrete cover of ( measured from bar centroid) to be 70 mm in compression and 80mm in tension. Use fc'= 27.6 MPa and fy=345 MPa. What is the required area of steel in compression? O 4896.70 sq.mm O 3467.96 sq.mm O 1428.74 sq.mm O 1248.74 sq.mm

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.2.1P: A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The...

See similar textbooks

Similar questions

hinz 1. For the beam cross section below, determine the amount of steel As required to cause the strain in the tension steel & to be 0.005 just as the maximum strain in the concrete reaches 0.003. fc' = 3000 psi and fy = 60,000 psi. N.A. b= 10"- Cross Section d = 23" [7422 4233 134 S THE THE CALE DES 2 23-c me Like phans 0.005 PANE Strain 0.003 P HOME st 0.85f Stress 6 I.C. Nc NT * * * * * Delorme
8:13 PM Tue 2 Mar •?n 32% A docs.google.com Q2 Q2: A cantilever beam AB, loaded by a uniform load and a concentrated load, is constructed of a channel section. Find the maximum tensile stress g and maximum compressive stress gc. 15 N 20 N/m 40 mm 40 mm E 225 mm-- 200 mm mm 2.5m 0.5 m Option 1 Send me a copy of my responses.
Note: ... HP12X53 Ag=15.5 in^2 rx = 5.04 in ry = 2.86 in 16' HP 12 x 53 A572 Grade 50 From Situation 1: c. Compute the Euler's Buckling load (kips) Round your answer to 3 decimal places. Add your answer From Situation 1: d. Governing Nominal Compressive strength based on AISC E3-2 or E3-3 (kips) Round your answer to 3 decimal places. Add your answer
in 21- ő A steel beam is reinforced by three steel rods. The modulous of elasticity for concrete is 20Gpa and for steel is 200Gpa. Maximum allowable stress for concrete is 9.45Mpa and for steel is 140Mpa. Calculate the largest allowable positive WBT bending moment in the beam. иа mo maod motinu od o boblow need sved Ha bus 400mm aidT (alonnerlo ert to rigiow stongi)/4000E of Trup 200-0 signs or botuesom sWnworla es berloss M bris V zsra erli owob stiW maod sdi to mergeib insm brol bus borlism tuo sallimill nollor 10 nige over on The modulus of elasticity for concrete is 20Gpa and for the steel is 200 Gpa. Allowable stress for concrete is 9Mpa and for steel is 140Mpa. Calculate the maxium allowable bending momemt that can be applied per metal rod of the concrete slab. 150mm 200mm D=16mm 140 mm -22mm Diameter TOPABA t 50mm T 140 mm 140 mm 140 mm
Help me how to design the REINFORCED CONCRETE BEAMS WITH IRREGULAR CROSS SECTION as shown infigure 1 using the following parameters:F’c = 3,500 Psi Fy=Grade 40 Stirrups = Φ10mmMu = 200 Kn-M All Concrete cover = 30mm Es=200,000 Mpa Find the following: AC area of compression concrete stress block in mm. Assume z = 0.85dEff a height of compression concrete stress block in mm. c distance from the neutral axis to outermost compression fiber in mm. z actual moment arm for Mu=ØTz in mm. As actual area of tension steel in sq.mm. N quantity of Ø20mm steel rebars ЄS Actual Strain of steel ЄY Yield Strain of steel Check if the beam is singly reinforced concrete in the designed then concludeCheck: ЄY < = > ЄS Draw the Working Drawings of the x-section.
Please write the complete solutions and Legibly. Rate will be given! Do not just copy asnwers in CHEGG! Thank you :) A singly reinforced rectangular beam 270 mm x 430 is reinforced with 4-16-mm-dia. rebars with yield strength 420 MPa. If bar centroid is located 70 mm from the bottom edge of the beam and f'c = 21 MPa, calculate the design moment strength in kN-m. Write your answer with 2 decimal places only.
Wed 20 Apr 45% Stresses in Beams part 5 thi qar (5 of 6) Second Class Lecturer: Dr. Ali Al Asadi Example 3: The beam shown below has a cross section of channel shape with width b=300 mm and height h=80 mm, the web thickness is t=12 mm. Determine the maximum tensile and compressive stresses in the beam due to uniform load. 300mm 3.2 KN / m 80 mm -12 mm 3 m 1.5 m 14.4 KN EM, =0 B,x3-14.4x2.25=0 B=10.8 KN B F = 0 A A,+10.8-14.4=0
The concrete post is reinforced axially with four symmetrically placed steel bars, each of cross-sectional area 900 mm2. Compute the stress in each material when the 1000-kN axial load is applied. The moduli of elasticity are 200 GPa for steel and 14 GPa for concrete. Compatibiltiy Equation . Ust Bearing |1000 kN plate Steel- Concrete 300 mm 300 mm Section a-a
A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with d-20-mm-dismeter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is M0 mm and at the bottom is 70 mm. Use concrete strength r'e-21 MPa und steel yield strength fy 415 MPa for 20- mm bars and fy= 275 MPA for 16 mm bars Detenmine the design moment capacity n kN m of the beam in negative bending. A 40.06 O45.07 C. 42.70 D47.55
Determine the load capacity of the angle ASD. USE NSCP 2015.
Question #5. Calculate the allowable axial compressive load for a stainless-steel pipe column having an unbraced length of 20 feet. The ends are pin-connected. Use A-11.9 inch, r-3.67 inch and Fy- 40 ksi. Use the appropriate Modulus of Elasticity (E) per material used. All the calculations are needed in submittal. O 212 kip O 202 kip O 196 kip 224 Wip
3.4 Check the threshold validity below according to the bending requirement if 35MPa=m, f = 300 MPa. Ignore the sill weight L10 kN/m live load (service D=5 kN/m dead load (service). 2m PL=20kN 2m T 525mm 75mm T 3025 300mm