Select the most economical W12 column 22.5 feet in height to support an unfactored axial dead...
Select the most economical W12 column 22.5 feet in height to support an unfactored axial dead load of 370 kips using A572 grade 50 steel. Assume that the column is pinned at both the top and base. **Dead load factor is 1.4 for dead load only cases.
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Select the most economical W12 column 22.5 feet in height to
support an unfactored axial dead...
Column Design for Compression Given: A column supports vertical loads Species and Grade: DF-L Sel...
Column Design for Compression Given: A column supports vertical loads Species and Grade: DF-L Select Structural Column Size 6x10 Axial dead load, PD 5 kips Axial snow load, Ps 15 kips Column length, L = 16 feet The column is not braced about either axis The column is pinned top and bottom, k 1.0 CM = 1.0, Ct = 1.0, Ci = 1.0 Design load combinations to be considered: D+ S Find Determine the allowable axial load for each of...
Given: Find: A 12.5' long column with carrying an axial load of Dead = 175 kips...
Given: Find: A 12.5' long column with carrying an axial load of Dead = 175 kips and Live = 130 kips. Most economical Wide Flange (Fy=50ksi), with the following end conditions (interpolate axial capacities): a) Pinned ends shape: OP: b) Fixed bottom, pinned top shape: OCP c) Fixed ends shape OCP d) Fixed bottom, free top (cantilevered) shape: OCP
Find the lightest W12 Section to support the service compression loads listed below. The column is...
Find the lightest W12 Section to support the service compression
loads listed below. The column is 30 ft long with the end
connections as shown. The column is braced at mid-height but only
in the strong axis. Steel is ASTM A572 Grade 50. Use the ASD method
only.
oku W2! IMIDTH SUPPORT CONDITION LOADS I DEAD = 1 2look TT LIVE = 1564
Select the most economic A992 (Fy=50 ksi) W shape to use as a column for the...
Select the most economic A992 (Fy=50 ksi) W shape to use as a column for the following conditions. Axial dead load of 75 kips, axial live load of 75 kips, length of the column is 12 ft, with no intermediate bracing, pinned top and bottom 2, 3. Use table 10.6 to answer the following questions about A36 double angle compression struts, pinned at both ends. A double-angle compression member 8 ft long is composed of two A36 4x3x5/16 steel angles....
Design a square footing to support an 18 in. square column tied interior column reinforced with...
Design a square footing to support an 18 in. square column tied interior column reinforced with 8 #9 bars. The column carries an unfactored axial dead load of 245 kips and an axial live load of 200 kips. The base of the footing is 4.0ft. below final grade and allowable soil pressure is 5 k/ft2 Use ??′ = 3.0 ksi and fy = 60.0 ksi
5.14-3 Design a base plate for a W12 × 87 column supporting a service dead load...
5.14-3 Design a base plate for a W12 × 87 column supporting a service dead load of 65 kips and a service live load of 195 kips. The support will be a 16-inch × 16-inch concrete pier. Use A36 steel and = 3.5 ksi. a. Use LRFD b. Use ASD
15.3. psi. Design a single-column footing (including dowels) to support an 11 in. square column reinforced...
15.3. psi. Design a single-column footing (including dowels) to support an 11 in. square column reinforced with eight No. 9 (No. 29) bars centered 2.5 in. from the column faces (equal number of bars on each face). The unfactored axial dead load = 135 kips, and the unfactored axial live load=125 kips. For the column, f=4000 psi and f=60,000 psi. The base of the footing will be 3 ft below grade. The allowable soil bearing pressure is 3000 lb/ft2. Material...
11. (10 points) Check to determine if a W14x159 used as a column can support an...
11. (10 points) Check to determine if a W14x159 used as a column can support an axial dead load of 250k and an axial live load of 1000k if the length of the column is 14 feet and the value of G for Joint A has been determined to be 0.8. Use the LRFD Design Method and assume that the columns are bending about their y axis as shown. (Hint: The answer is in the Manual) W14x159 Fixed Base at...
Problem 5: Design of Idealized Compression Member A 20-ft long column is pinned at the bottom...
Problem 5: Design of Idealized Compression Member A 20-ft long column is pinned at the bottom and fixed against rotation, but free to translate, at the top. It must support a service dead load of 110 kips and a service live load of 110 kips. a) Select the lightest W12 of A992 steel. Use the column load tables b) Select the lightest W18 of A992 steel. Use the trial-and-error process.
Problem 1 (25 pts.) A steel column has a total unbraced height of 12 ft and...
Problem 1 (25 pts.) A steel column has a total unbraced height of 12 ft and carries an axial ASD load of 120 kips. The column ends are pinned. Select an economical HSS 9x9 for this column and provide its weight in lb/ft.
Column Design for Compression Given: A column supports vertical loads Species and Grade: DF-L Select Structural Column Size 6x10 Axial dead load, PD 5 kips Axial snow load, Ps 15 kips Column length, L = 16 feet The column is not braced about either axis The column is pinned top and bottom, k 1.0 CM = 1.0, Ct = 1.0, Ci = 1.0 Design load combinations to be considered: D+ S Find Determine the allowable axial load for each of...
Given: Find: A 12.5' long column with carrying an axial load of Dead = 175 kips and Live = 130 kips. Most economical Wide Flange (Fy=50ksi), with the following end conditions (interpolate axial capacities): a) Pinned ends shape: OP: b) Fixed bottom, pinned top shape: OCP c) Fixed ends shape OCP d) Fixed bottom, free top (cantilevered) shape: OCP
Find the lightest W12 Section to support the service compression
loads listed below. The column is 30 ft long with the end
connections as shown. The column is braced at mid-height but only
in the strong axis. Steel is ASTM A572 Grade 50. Use the ASD method
only.
oku W2! IMIDTH SUPPORT CONDITION LOADS I DEAD = 1 2look TT LIVE = 1564
Select the most economic A992 (Fy=50 ksi) W shape to use as a column for the following conditions. Axial dead load of 75 kips, axial live load of 75 kips, length of the column is 12 ft, with no intermediate bracing, pinned top and bottom 2, 3. Use table 10.6 to answer the following questions about A36 double angle compression struts, pinned at both ends. A double-angle compression member 8 ft long is composed of two A36 4x3x5/16 steel angles....
5.14-3 Design a base plate for a W12 × 87 column supporting a service dead load of 65 kips and a service live load of 195 kips. The support will be a 16-inch × 16-inch concrete pier. Use A36 steel and = 3.5 ksi. a. Use LRFD b. Use ASD
15.3. psi. Design a single-column footing (including dowels) to support an 11 in. square column reinforced with eight No. 9 (No. 29) bars centered 2.5 in. from the column faces (equal number of bars on each face). The unfactored axial dead load = 135 kips, and the unfactored axial live load=125 kips. For the column, f=4000 psi and f=60,000 psi. The base of the footing will be 3 ft below grade. The allowable soil bearing pressure is 3000 lb/ft2. Material...
11. (10 points) Check to determine if a W14x159 used as a column can support an axial dead load of 250k and an axial live load of 1000k if the length of the column is 14 feet and the value of G for Joint A has been determined to be 0.8. Use the LRFD Design Method and assume that the columns are bending about their y axis as shown. (Hint: The answer is in the Manual) W14x159 Fixed Base at...
Problem 5: Design of Idealized Compression Member A 20-ft long column is pinned at the bottom and fixed against rotation, but free to translate, at the top. It must support a service dead load of 110 kips and a service live load of 110 kips. a) Select the lightest W12 of A992 steel. Use the column load tables b) Select the lightest W18 of A992 steel. Use the trial-and-error process.
Problem 1 (25 pts.) A steel column has a total unbraced height of 12 ft and carries an axial ASD load of 120 kips. The column ends are pinned. Select an economical HSS 9x9 for this column and provide its weight in lb/ft.
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