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3. A floor system in a building is built of wood planks supported by 12 ft....
Question 2 (25 marks) A square wood platform of side-length L = 2.4 m rests on...
Question 2 (25 marks) A square wood platform of side-length L = 2.4 m rests on masonry walls. The deck of the platform is constructed of 4 cm thick planks supported on two beams which are 2.4 m long. The beams have a width of 100 mm and height of 150 mm and are supported at their ends by the walls. The structure is designed to support a uniformly distributed load, wA (kN/m2), acting over the entire top surface of...
A square wood platform of side-length ? = 2.4 m rests on masonry walls. The deck...
A square wood platform of side-length ? = 2.4 m rests on masonry
walls. The deck of the platform is constructed of 4 cm thick planks
supported on two beams which are 2.4 m long. The beams have a width
of 100 mm and height of 150 mm and are supported at their ends by
the walls. The structure is designed to support a uniformly
distributed load, ?? (kN/m2), acting over the entire top surface of
the platform. The tensile...
A three-story building has a floor layout as shown in Figure 1 with 30 ft bays...
A three-story building has a floor layout as shown in Figure 1 with 30 ft bays in each direction. It must support a uniform dead load of 90 psf and a uniform live load of 80 psf. For LRFD design, determine the required moment and shear strength for beams and required axial strength for columns indicated below. In the calculations, assume all beams and girders are simply supported. a) The beam marked with #1 if the deck spans from line...
Q.6) Seven wood planks are used to construct a built-up beam shown below. The beam is subjected t...
Q.6) Seven wood planks are used to construct a built-up beam shown below. The beam is subjected to a vertical force of 12 kN, and has an Iz 1.5 x 109 mm The allowable shear force for nails at A and B is 250 N. Determine the maximum spacing for horizontal nails at A and vertical nails at B. 50 300 50 A 100 50 400 50 200 Dimensions in mm
Q.6) Seven wood planks are used to construct a...
A simply supported wood beam with a span of L = 12 ft supports a uniformly...
A simply supported wood beam with a span of L = 12 ft supports a uniformly distributed load of w0 = 300 lb/ft. The allowable bending stress of the wood is 1.70 ksi. If the aspect ratio of the solid rectangular wood beam is specified as h/b = 3.00, calculate the minimum width b that can be used for the beam.
Review The joists of a floor in a warehouse are to be selected using square timber...
Review The joists of a floor in a warehouse are to be selected using square timber beams made of oak The allowable bending stress is allow 42 ksi and the allowable shear stress is allow 125 poi (Figure 1) Part A If each beam is to be designed to carry 95 lb/ft over a simply supported span of 26 ft determine the smallest dimension of its square cross section Express your answer to three significant figures and include the appropriate...
Review An engineered wood beam (Figure 1) will replace a portion of a structural wall as...
Review An engineered wood beam (Figure 1) will replace a portion of a structural wall as part of a house renovation. The beam can be modeled as a simply supported beam with a span L = 18 ft and an uniform distributed load w = 810 lb/ft . The beam is to be constructed as an I-beam with nails securing the flanges to the web. The flanges are 6 in wide and 1 in thick. The web has depth 18...
ESP 3-6: The simply supported beam is built up from three boards by nailing them together...
ESP 3-6: The simply supported beam is built up from three boards by nailing them together as shown. The wood has an allowable shear stress of Tallow=1.9 MPa, and an allowable bending stress of allow=8.4 MPa. The nails are spaced at s = 75 mm, and each has a shear strength of 1 kN. Determine the maximum allowable force P that can be applied to the beam. А. -1m- 25 mm 25 mm 200 mm 125 mm
Solve all of height h 20 m is constructed ofa vertical wood beams AB of width...
Solve all
of height h 20 m is constructed ofa vertical wood beams AB of width b 1 m, and thickness t-120 A small dam mm. Consider the beam to be simply supported at the top and bottom. Neglect the welght of the wood. Consider the weight density of water to bey-10kN/m2. (Hint: the water pressure at the bottom of the dam-yh) A. Calculate the maximum Intensity qo of the distributed load acting on the beams due to the water...
The beam is simply supported. Problem 3. (30 points) A wooden beam is composed of a...
The beam is simply supported.
Problem 3. (30 points) A wooden beam is composed of a 2 x8" (1.5"x7.25") top flange and a 3"x10 (2.5"x9.25") web to form a T section. Assume that the two members are glued together. L-16 ft. (a) For a uniform dead load of 20 lb/ft over the entire beam span and a uniform live load of 80 lb/ft over the left half of the span, draw the shear and moment diagrams. (b) Determine the cross-sectional...
Question 2 (25 marks) A square wood platform of side-length L = 2.4 m rests on masonry walls. The deck of the platform is constructed of 4 cm thick planks supported on two beams which are 2.4 m long. The beams have a width of 100 mm and height of 150 mm and are supported at their ends by the walls. The structure is designed to support a uniformly distributed load, wA (kN/m2), acting over the entire top surface of...
A square wood platform of side-length ? = 2.4 m rests on masonry
walls. The deck of the platform is constructed of 4 cm thick planks
supported on two beams which are 2.4 m long. The beams have a width
of 100 mm and height of 150 mm and are supported at their ends by
the walls. The structure is designed to support a uniformly
distributed load, ?? (kN/m2), acting over the entire top surface of
the platform. The tensile...
A three-story building has a floor layout as shown in Figure 1 with 30 ft bays in each direction. It must support a uniform dead load of 90 psf and a uniform live load of 80 psf. For LRFD design, determine the required moment and shear strength for beams and required axial strength for columns indicated below. In the calculations, assume all beams and girders are simply supported. a) The beam marked with #1 if the deck spans from line...
Q.6) Seven wood planks are used to construct a built-up beam shown below. The beam is subjected to a vertical force of 12 kN, and has an Iz 1.5 x 109 mm The allowable shear force for nails at A and B is 250 N. Determine the maximum spacing for horizontal nails at A and vertical nails at B. 50 300 50 A 100 50 400 50 200 Dimensions in mm
Q.6) Seven wood planks are used to construct a...
Review The joists of a floor in a warehouse are to be selected using square timber beams made of oak The allowable bending stress is allow 42 ksi and the allowable shear stress is allow 125 poi (Figure 1) Part A If each beam is to be designed to carry 95 lb/ft over a simply supported span of 26 ft determine the smallest dimension of its square cross section Express your answer to three significant figures and include the appropriate...
Review An engineered wood beam (Figure 1) will replace a portion of a structural wall as part of a house renovation. The beam can be modeled as a simply supported beam with a span L = 18 ft and an uniform distributed load w = 810 lb/ft . The beam is to be constructed as an I-beam with nails securing the flanges to the web. The flanges are 6 in wide and 1 in thick. The web has depth 18...
ESP 3-6: The simply supported beam is built up from three boards by nailing them together as shown. The wood has an allowable shear stress of Tallow=1.9 MPa, and an allowable bending stress of allow=8.4 MPa. The nails are spaced at s = 75 mm, and each has a shear strength of 1 kN. Determine the maximum allowable force P that can be applied to the beam. А. -1m- 25 mm 25 mm 200 mm 125 mm
Solve all
of height h 20 m is constructed ofa vertical wood beams AB of width b 1 m, and thickness t-120 A small dam mm. Consider the beam to be simply supported at the top and bottom. Neglect the welght of the wood. Consider the weight density of water to bey-10kN/m2. (Hint: the water pressure at the bottom of the dam-yh) A. Calculate the maximum Intensity qo of the distributed load acting on the beams due to the water...
The beam is simply supported.
Problem 3. (30 points) A wooden beam is composed of a 2 x8" (1.5"x7.25") top flange and a 3"x10 (2.5"x9.25") web to form a T section. Assume that the two members are glued together. L-16 ft. (a) For a uniform dead load of 20 lb/ft over the entire beam span and a uniform live load of 80 lb/ft over the left half of the span, draw the shear and moment diagrams. (b) Determine the cross-sectional...
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