Built-Up Beam Analysis P1 = 10 kips DL P2= 20 kips Roof LL P2 A 6' 12' 3' B Loc 1 20' +5' C For Load Combination of DL + Roof LL, Determine: 1. The maximum bending stress at Loc 1. 2. The maximum shear stress on the glue at Loc 1. P1 20' 10' D CROSS-SECTION AT LOC 1 HI SECTION VIEW . All lumber is DF/L Grade 2 2x8 All joints are glued

Built-Up Beam Analysis P1 = 10 kips DL P2= 20 kips Roof LL P2 A 6' 12' 3' B Loc 1 20' +5' C For Load Combination of DL + Roof LL, Determine: 1. The maximum bending stress at Loc 1. 2. The maximum shear stress on the glue at Loc 1. P1 20' 10' D CROSS-SECTION AT LOC 1 HI SECTION VIEW . All lumber is DF/L Grade 2 2x8 All joints are glued

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...

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A floor is supported by 75 mm x 200 mm wooden joists spaced at 400mm on centers with an effective span of 3m. The total floor load transmitted to the joists is 5kPa. If the unit weight of wood is 6.3 kN/m3 and elastic modulus of wood is 12x103 MPa. W Tributary 400 6001 mm -3m Was kPa FO 400 in Floor (a) Determine the maximum bending stress (fb). (b) Determine the maximum shearing stress (fy). (c) Determine the maximum deflection
Design economical spacing of 10 mm diameter stirrups for the beam which carries the loads shown. Design shear reinforcement of prestressed beam with the following properties listed. Properties: f’c = 28 MPafy = 276 MPaAps = 800 mm2Ds = 10 mmDm = 18 mmfse = 800 MPafpu = 1500 MPafpe = 860 MPaPe = 250 kN
1. A rectangular reinforced concrete beam has a length of 7.5 – 10.5 m. It is supported with a hinged at one end and a roller 2m from the other end. The width of beam is 350 mm and the overall depth is 550 mm. The beam is reinforced with 5D25 tensionreinforcement and 2D25 compression reinforcement located at 60 mm from the outermostfiber of the beam. The concrete strength fc = 28 MPa and steel yield fy= 390 MPa. Determinethe following:a. Sketch the beam and its cross sectionb. Stress in the compression steel.c. Moment capacity of the beam.d. Factored uniform load throughout the entire span of the beam that could carry.
The beam shown has a 30-ft. simple span; f’c = 5,000 psi, fps = 250,000 psi, and the initial prestress is 160,000 psi. Assume fpy = 0.85 fpua. Find the concrete stresses in the top and bottom of the beam at midspan immediately after the tendons are cut;b. Assume 20% prestress losses in the tendons, find the new stresses at the top and bottom at midspan;c. Find the maximum service live load that the beam can support if allowable stresses of 0.60f’c in compression and 12√?′? in tension are permitted.
Design the slab reinforcement if the maximum positive moment is Mup= wul2/11 and the maximum negative moment is Mun= wul2/10. Given: Superimposed dead load = 4.76 kPa Live Load = 1.9 kPa Weight of slab = 3.45 kPa
Pls help. A laminated wood beam consists of eight 2 in. × 7.00-in. planks glued together to form a section b = 7.00 in. wide by d = 16 in. deep, as shown. If the allowable strength of the glue in shear is 135 psi, determine (a) the maximum uniformly distributed load w that can be applied over the full length of the beam if the beam is simply supported and has a span of L = 21 ft. (b) the shear stress in the glue joint at H, which is located 4 in. above the bottom of the beam and at a distance of x = 76 in. from the left support. Assume that the beam is subjected to the load w determined in part (a). (c) the maximum tension bending stress in the beam when the load of part (a) is applied.
Compute the nominal moment capacity of the following precast T (Tee) beam. Check for all the ACI code requirements. Flange (effective) width = 25 in. Web width = 14in. Flange thickness = 2.0 in. Total thickness = 24.0 in. Effective depth, d = 21 in. Compressive strength of concrete used for flange = 5,000 psi Compressive strength of concrete used for web = 4000 psi Reinforcement consists of 3- #9 bars with a yield strength of 60,000 psi and 2- #9 bars with a yield strength of 40,000 psi. (A total of 5 bars and the equivalent bar diameter is 9/8 of an inch).
Design the T beam for the floor system when subjected to an ultimate moment of 300 kN-m. Beam span is 6m, beam width is 300 and d is 450mm. fc = 30 MPa, fy = 420 MPa. Determine the effective width of the T-beam in mm. Is the compressive flange adequate enough to provide the design capacity required? How many layers/rows of steel rebars are expected in the design of reinforcement? How many 25mm steel bars are required for the section?
A rectangular reinforced concrete beam has a length of 7.5 m. It is supported with a hinged at one end and a roller 2m from the other end. The width of beam is 350 mm and the overall depth is 550 mm. The beam is reinforced with 5D25 tensionreinforcement and 2D25 compression reinforcement located at 60 mm from the outermostfiber of the beam. The concrete strength fc = 28 MPa and steel yield fy= 390 MPa. Determinethe following:a. Sketch the beam and its cross sectionb. Stress in the compression steel.c. Moment capacity of the beam.d. Factored uniform load throughout the entire span of the beam that could carry.
A spiral column carries a dead load of 1070 kN and a live load of 980 kN. Iff’c = 27.50 MPa, fy = 413.50 MPa, using a steel ratio of 3%a. Compute for the value of the diameter of spiral columnb. Compute the number of 28 mm ø main reinforcement. c. Compute for the possible spacing of 10 mm ø spirald. Sketch the col
The overhanging beam shown supports the given ultimate load Wu= 5okN/m. The section is 300mm by 500mm rectangular beam having f'c=35MPa, fy=420 MPa, stirrups diameter = 10mm and concrete cover 40mm. a.) Calculate the vertical reaction at B in kN b.) Calcute the vertical reaction D in kN c.) Calculate the area of steel reinforcement corresponding to rho max in mm^2. d.) Calculate the location of the point of zero shear in the beam measured from the left support B in mm. e.) Calculate the maximum positive moment in the beam in kN.m.s
A cylindrical wood covered with steel is the cross-section of the post of a signage as shown. The steel signage has a thickness of 20 mm with a 1.5 m width by 1 m height dimensions and has a density of 7500 kg/m. During storm, the wind strike the signage a pressure of 0.9 kPa. Neglecting the weight of the post and the stress from the torsional moment, find the following; Esee 200 GPa, Eod 10 Gna. Outside diameter of the post is 100 mm, inside diameter is 80 mm. a. The Ia of the transformed section with wood as base material. b. State of stress at point A. Principal stresses and maximum in plane shear stress of "C". d. The transformed stresses of "C" at 20° clockwise.