Estimate the maximum stress in a concrete slab subjected to a corner circular load (i.e., the...
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Estimate the maximum stress in a concrete slab subjected to a corner circular load (i.e., the maximum corner stress) based on the following conditions:
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The load is 10,000 lb
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Diameter of the circular load is 12-inch
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Slab thickness is 10-inch.
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Subgrade modulus (k) is 100 pci.
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Poisson’s ration is 0.15
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Other conditions can be assumed if needed.
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Homework Answers
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Estimate the maximum stress in a concrete slab subjected to a
corner circular load (i.e., the...
Q2: A homogeneous half-space pavement subjected to a circular load with 10-inch diameter. The pressure on...
Q2: A homogeneous half-space pavement subjected to a circular load with 10-inch diameter. The pressure on the circular area is 50 psi. The pavement has elastic modulus 10,000 psi and Poisson ratio 0.3. Determine the vertical stress, deflection at point A which is located 10 inches below the center of the circular load, and surface deflection.
df 1n mon diame ss: F size 0.70 V): A cold drawn C-1025 steel rod of circular cross section is subjected to a variable bending moment of 10,000 in-lb to 17,000 in-lb, as the axial load varies fro...
df 1n mon diame ss: F size 0.70 V): A cold drawn C-1025 steel rod of circular cross section is subjected to a variable bending moment of 10,000 in-lb to 17,000 in-lb, as the axial load varies from-2,000 lb to 5,000 lb. The maximum bending moment occurs at the same instant that the axial load is maximum. Determine the required diameter of the rod for a factor of safety N-2.3? The steel rod is connected to the support which causes...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold climate) Required design strength = 3000 psi Slab thickness = 12 in. Statistical data indicate a standard deviation of compressive strength of 250 psi is expected (more than 30 samples). Only air entrainer is allowed. Available Materials Air entrainer: Manufacture specification is 0.15 fl oz/1% air/100 lb cement. Coarse aggregate: 2 in. nominal maximum size, crushed stone Bulk oven-dry specific gravity = 2.573, absorption...
Problem 9 (3 pts). A spiral circular column is subjected to an axial load of P- 850 kips Material properties are fe = 4 ksi and fy-60 ks. Concrete cover is 1.5 in. if the column has an outside di...
Problem 9 (3 pts). A spiral circular column is subjected to an axial load of P- 850 kips Material properties are fe = 4 ksi and fy-60 ks. Concrete cover is 1.5 in. if the column has an outside diameter of 20 in. and the diameter of spiral wire is #3 bar,the maximum spiral pitch is most nearly 1. a. 1.8 in. b. 2.3 in. c. 2.8 in. d. 3.3 in.
Problem 9 (3 pts). A spiral circular column is...
Please show which equations you use and describe in detail. 21. concrete mix design, Design the...
Please show which equations
you use and describe in detail.
21. concrete mix design, Design the concrete mix according to the following conditions: Design Environment Unreinforced slab, Bozeman, Montana (cold climate) Required design strength = 3500 psi Slab thickness = 12 in Statistical data indicate a standard deviation of compressive strength of 250 psi is expected (more than 30 samples). Only air entrainer is allowed Available materials Air entrainer: manufacture specification is 0.15 fl oz/1%/100 lb cement Coarse aggregate: 2...
Questions 5-8 A steel frame shown below is subjected to combined uniformly distributed gravity load (w...
Questions 5-8
A steel frame shown below is subjected to combined uniformly distributed gravity load (w 2 kips/f) and a horizontal earthquake load of H-10 kips Both the beams and the columns are made of W12x120 section having a yield strength of F 45 ksi. The Young's modulus of steel s E-29,000 ksi. The distributed load w is used to simulate the self-weight of the beam, the load transferred from roof slab, as well addition superimposed dead loads. The self-weigh...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the ver...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...
1.5-7 A hollow, brass circular pipe ABC (oce figure supports a load P, 118 kN acting at the top A...
please help ASAP
1.5-7 A hollow, brass circular pipe ABC (oce figure supports a load P, 118 kN acting at the top A second load P -98 kN is uaiformly distributed around the cap plate at B. The diameters and thicknesses of the upper and lower parts of the pipe are 31 mm ,,-12 mm, dae" 57 mm, and tac· 9 mm, respectively. The modulus of clasticity is 96 GPa. When both loads are fully applied, the wall thickness of...
Question 1 An end capped cylindrical pressure vessel with internal pressure p = fully supported at...
Question 1 An end capped cylindrical pressure vessel with internal pressure p = fully supported at one end, is also subjected to a force F= 10 kN in the y direction at the other end as shown. The internal diameter of the pressure vessel is d= 160 mm and its thickness is t= 10 mm 3 MPa, assumed to be Determine the magnitudes of the stress components in x, y and z coordinates at points H and K and sketch...
The question needed to be solved is at the top. I provided tables used to solve this problem and ...
the question needed to be solved is at the top. I provided tables
used to solve this problem and an example problem.
Desian an economical rectongulay bean size and,select the reinforcing borsvebra Stinply Supported span of 2o feet This beann i to Corry a live lod of 1900 Ibs Jlt and a dead load of 1750 lift. Use a Concrete compresive stress of 3500 put, Mo.3 stirrups, and a Grade 0 ranbrcng Desitn the rechangular beam Codeng deflechoo and bendin...
Q2: A homogeneous half-space pavement subjected to a circular load with 10-inch diameter. The pressure on the circular area is 50 psi. The pavement has elastic modulus 10,000 psi and Poisson ratio 0.3. Determine the vertical stress, deflection at point A which is located 10 inches below the center of the circular load, and surface deflection.
df 1n mon diame ss: F size 0.70 V): A cold drawn C-1025 steel rod of circular cross section is subjected to a variable bending moment of 10,000 in-lb to 17,000 in-lb, as the axial load varies from-2,000 lb to 5,000 lb. The maximum bending moment occurs at the same instant that the axial load is maximum. Determine the required diameter of the rod for a factor of safety N-2.3? The steel rod is connected to the support which causes...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold climate) Required design strength = 3000 psi Slab thickness = 12 in. Statistical data indicate a standard deviation of compressive strength of 250 psi is expected (more than 30 samples). Only air entrainer is allowed. Available Materials Air entrainer: Manufacture specification is 0.15 fl oz/1% air/100 lb cement. Coarse aggregate: 2 in. nominal maximum size, crushed stone Bulk oven-dry specific gravity = 2.573, absorption...
Problem 9 (3 pts). A spiral circular column is subjected to an axial load of P- 850 kips Material properties are fe = 4 ksi and fy-60 ks. Concrete cover is 1.5 in. if the column has an outside diameter of 20 in. and the diameter of spiral wire is #3 bar,the maximum spiral pitch is most nearly 1. a. 1.8 in. b. 2.3 in. c. 2.8 in. d. 3.3 in.
Problem 9 (3 pts). A spiral circular column is...
Please show which equations
you use and describe in detail.
21. concrete mix design, Design the concrete mix according to the following conditions: Design Environment Unreinforced slab, Bozeman, Montana (cold climate) Required design strength = 3500 psi Slab thickness = 12 in Statistical data indicate a standard deviation of compressive strength of 250 psi is expected (more than 30 samples). Only air entrainer is allowed Available materials Air entrainer: manufacture specification is 0.15 fl oz/1%/100 lb cement Coarse aggregate: 2...
Questions 5-8
A steel frame shown below is subjected to combined uniformly distributed gravity load (w 2 kips/f) and a horizontal earthquake load of H-10 kips Both the beams and the columns are made of W12x120 section having a yield strength of F 45 ksi. The Young's modulus of steel s E-29,000 ksi. The distributed load w is used to simulate the self-weight of the beam, the load transferred from roof slab, as well addition superimposed dead loads. The self-weigh...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...
please help ASAP
1.5-7 A hollow, brass circular pipe ABC (oce figure supports a load P, 118 kN acting at the top A second load P -98 kN is uaiformly distributed around the cap plate at B. The diameters and thicknesses of the upper and lower parts of the pipe are 31 mm ,,-12 mm, dae" 57 mm, and tac· 9 mm, respectively. The modulus of clasticity is 96 GPa. When both loads are fully applied, the wall thickness of...
Question 1 An end capped cylindrical pressure vessel with internal pressure p = fully supported at one end, is also subjected to a force F= 10 kN in the y direction at the other end as shown. The internal diameter of the pressure vessel is d= 160 mm and its thickness is t= 10 mm 3 MPa, assumed to be Determine the magnitudes of the stress components in x, y and z coordinates at points H and K and sketch...
the question needed to be solved is at the top. I provided tables
used to solve this problem and an example problem.
Desian an economical rectongulay bean size and,select the reinforcing borsvebra Stinply Supported span of 2o feet This beann i to Corry a live lod of 1900 Ibs Jlt and a dead load of 1750 lift. Use a Concrete compresive stress of 3500 put, Mo.3 stirrups, and a Grade 0 ranbrcng Desitn the rechangular beam Codeng deflechoo and bendin...
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