Homework Answers
Answer(18) Mmax=144.5K-ft
Answer(19) Sr= 52.025
Details solutions is given below
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Razuesto Information Select the lightest adequate W-section with a nominal depth of 14 in or less,...
Select the lightest adequate W-section with a nominal depth of 14 in or less, for a...
Select the lightest adequate W-section with a nominal depth of 14 in or less, for a 34ft. beam with a total uniformly distributed load of 1000 lb/ft. Select the beam based only on bending stress then check to see if deflection is O.K. LL Allowable deflection = L/360 TL Allowable deflection = L/240 Fb = 2/3 FY Fy = 50,000 lb/in2 LL is 70% of total load M max = Select one: a. 4.25 k-ft b. 144.5 k-ft c. 101.1...
Select the lightest adequate W-section with a nominal depth of 14 in or less, for a...
Select the lightest adequate W-section with a nominal depth of 14 in or less, for a 34ft. beam with a total uniformly distributed load of 1000 lb/ft. Select the beam based only on bending stress then check to see if deflection is O.K. LL Allowable deflection = L/360 TL Allowable deflection = L/240 Fb = 2/3 FY Fy = 50,000 lb/in2 LL is 70% of total load. No figure given. Find M max = Sr = Selection = delta LL...
Mmax, Sr, Selection, delta LL allow, delta LL max, Deflection ok? Select the lightest adequate W-section...
Mmax, Sr, Selection, delta LL allow, delta LL max, Deflection
ok?
Select the lightest adequate W-section with a nominal depth of 14 in or less, for a 34ft. beam with a total uniformly distributed load of 1000 lb/ft. Select the beam based only on bending stress then check to see if deflection is O.K. LL Allowable deflection = L/360 TL Allowable deflection = L/240 Fb = 2/3 FY Fy = 50,000 lb/in2 LL is 70% of total load
Problem 1 (100 pts) Select the lightest W24 beam section with Fy = 50 ksi using...
Problem 1 (100 pts) Select the lightest W24 beam section with Fy = 50 ksi using LRFD for the following span and loading. The unbraced length of the compression flange is 30 ft (Lb = 30'). Consider Cb > 1. The given dead load does not include beam weight. Verify that the selected beam has adequate shear strength. Maximum allowable deflection due to live load is L720. Maximum allowable deflection due to total load is L/360. WD = 1.2 k/ft...
P Flas question HORIZONTAL SHEAR STRESS Find fy max for the beam shown below. Use actual...
P Flas question HORIZONTAL SHEAR STRESS Find fy max for the beam shown below. Use actual dimensions shown For the built-up section ly = 136 in w-200 L-1011 NA hitt sin than Question 12 Not yet answered Points out of 1.00 Plaquestion V= Select one a. 2000 lbs Ob. 200 lbs. O c. 400 lbs. O d. 1000 lbs. Question 13 Not yet answered Points out of 1.00 P Flag question Select one: O a. 25 in b. 42.25 in...
Information P Flag question HORIZONTAL SHEAR STRESS Find fy max for the beam shown below. Use...
Information P Flag question HORIZONTAL SHEAR STRESS Find fy max for the beam shown below. Use actual dimensions shown For the built-up section Ix = 136 in4 W-200 lb ft L-101 6 in 2 in NA 6 in 5 in 2 in Question 12 Points out of 1.00 P Flag question Not yet answered V = Select one: O a. 2000 lbs. O b. 200 lbs. O c. 400 lbs. O d. 1000 lbs. Question 13 Not yet answered Points...
Questions (40-41) Find the actual deflection of a 15 ft. long 10x16 wood beam with E-1,700,000...
Questions (40-41) Find the actual deflection of a 15 ft. long 10x16 wood beam with E-1,700,000 psi and Fb-1600 psi, carrying a total uniformly distributed load of 20 kips. Find the maximum deflection for this beam under its maximum loading. Question 40 Not yet answered Points out of 3.00 P Flas question Actual Defl. - Select one: O a. 0.26 in O b. 0.5 in OC. 0.30 in O d. 0.42 in Question 41 Not yet answered Points out of...
Information P Flag question Questions (24-27) What are the allowable stress values for the following lumber...
Information P Flag question Questions (24-27) What are the allowable stress values for the following lumber sections? (Based on Douglas Fir-Larch - Textbook) Question 24 Not yet answered Points out of 3.00 Potion 2x6 No. 1 - Select one O a. 1200 lb/in? O b. 1300 lb/in O C. 170 bin O d. 877 Ibin Question 25 Not yet answered Points out of 3.00 P Flag question 2x6 No. 1 Ft= Select one: O a. 1200 lb/in? O b. 742...
Questions (28-30) For the continuous concrete footing shown constructed in medium silty sand, what is the...
Questions (28-30) For the continuous concrete footing shown constructed in medium silty sand, what is the bearing stress imposed on the soil? Is this acceptable according to design values given in your Soil Design Values Handout? Concrete weight = 130 lb/ft^3 Soil weight - use saturated value 5.5 kip/f 2.5' 1 5 Question 28. Not yet answered Points out of 3.00 P Flag question Allowable Bearing at depth of footing Select one: O a. 3000 lb/ft2 O b. 1000 lb/ft?...
Information P Fin question Determine the magnitude and direction of all support reactions for the pin-jointed...
Information P Fin question Determine the magnitude and direction of all support reactions for the pin-jointed structure shown below. 450 tbt सरसो D Question 1 Not yet answered Post 1.00 Pestion AX- Select one O a. 7200 lbs b. 5400 lbs. - O c. 7200 lbs. - d. 5400 lbs. Question 2 Not yet answered Points out of 1.00 P Flag question Ay= Select one O a. 1350 lbs. 1 O b. 5400 lbs. - O c. 5400 lbs. 1...
Mmax, Sr, Selection, delta LL allow, delta LL max, Deflection
ok?
Select the lightest adequate W-section with a nominal depth of 14 in or less, for a 34ft. beam with a total uniformly distributed load of 1000 lb/ft. Select the beam based only on bending stress then check to see if deflection is O.K. LL Allowable deflection = L/360 TL Allowable deflection = L/240 Fb = 2/3 FY Fy = 50,000 lb/in2 LL is 70% of total load
Problem 1 (100 pts) Select the lightest W24 beam section with Fy = 50 ksi using LRFD for the following span and loading. The unbraced length of the compression flange is 30 ft (Lb = 30'). Consider Cb > 1. The given dead load does not include beam weight. Verify that the selected beam has adequate shear strength. Maximum allowable deflection due to live load is L720. Maximum allowable deflection due to total load is L/360. WD = 1.2 k/ft...
P Flas question HORIZONTAL SHEAR STRESS Find fy max for the beam shown below. Use actual dimensions shown For the built-up section ly = 136 in w-200 L-1011 NA hitt sin than Question 12 Not yet answered Points out of 1.00 Plaquestion V= Select one a. 2000 lbs Ob. 200 lbs. O c. 400 lbs. O d. 1000 lbs. Question 13 Not yet answered Points out of 1.00 P Flag question Select one: O a. 25 in b. 42.25 in...
Information P Flag question HORIZONTAL SHEAR STRESS Find fy max for the beam shown below. Use actual dimensions shown For the built-up section Ix = 136 in4 W-200 lb ft L-101 6 in 2 in NA 6 in 5 in 2 in Question 12 Points out of 1.00 P Flag question Not yet answered V = Select one: O a. 2000 lbs. O b. 200 lbs. O c. 400 lbs. O d. 1000 lbs. Question 13 Not yet answered Points...
Questions (40-41) Find the actual deflection of a 15 ft. long 10x16 wood beam with E-1,700,000 psi and Fb-1600 psi, carrying a total uniformly distributed load of 20 kips. Find the maximum deflection for this beam under its maximum loading. Question 40 Not yet answered Points out of 3.00 P Flas question Actual Defl. - Select one: O a. 0.26 in O b. 0.5 in OC. 0.30 in O d. 0.42 in Question 41 Not yet answered Points out of...
Information P Flag question Questions (24-27) What are the allowable stress values for the following lumber sections? (Based on Douglas Fir-Larch - Textbook) Question 24 Not yet answered Points out of 3.00 Potion 2x6 No. 1 - Select one O a. 1200 lb/in? O b. 1300 lb/in O C. 170 bin O d. 877 Ibin Question 25 Not yet answered Points out of 3.00 P Flag question 2x6 No. 1 Ft= Select one: O a. 1200 lb/in? O b. 742...
Questions (28-30) For the continuous concrete footing shown constructed in medium silty sand, what is the bearing stress imposed on the soil? Is this acceptable according to design values given in your Soil Design Values Handout? Concrete weight = 130 lb/ft^3 Soil weight - use saturated value 5.5 kip/f 2.5' 1 5 Question 28. Not yet answered Points out of 3.00 P Flag question Allowable Bearing at depth of footing Select one: O a. 3000 lb/ft2 O b. 1000 lb/ft?...
Information P Fin question Determine the magnitude and direction of all support reactions for the pin-jointed structure shown below. 450 tbt सरसो D Question 1 Not yet answered Post 1.00 Pestion AX- Select one O a. 7200 lbs b. 5400 lbs. - O c. 7200 lbs. - d. 5400 lbs. Question 2 Not yet answered Points out of 1.00 P Flag question Ay= Select one O a. 1350 lbs. 1 O b. 5400 lbs. - O c. 5400 lbs. 1...
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