A round spiral column having a diameter of 450 mm reinforced with six 25 mm bars...
A round spiral column having a diameter of 450 mm reinforced with six 25 mm bars having fy = 345 MPa. If the service axial dead load is 900 kN, determine the safe axial live load of the column. Use fc’ = 34 MPa.
Use National Structural Code of the Philippines NSCP 2015, if needed.
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A round spiral column having a diameter of 450 mm
reinforced with six 25 mm bars...
design an axially loaded short round spiral column to support an axial dead load DL=X an...
design an axially loaded short round spiral column to support an axial dead load DL=X an axial live load of LL=Y pg=0.02 as first trial fc=21 mpa fy=420mpa fyt=420 mpa X=1500 KN Y=1750 KN by using ACI 318-14 and ASCE equations
2. Verify that a built-up ASTM A572 Grade 50 (Fy - 345 MPa) column with PL...
2. Verify that a built-up ASTM A572 Grade 50 (Fy - 345 MPa) column with PL 205 x 25 mm flanges and PL 380 * 6 mn web is sufficient to carry a dead load of 300 kN and live load of 900 KN in axial compression. The column, having an unbraced length of 8 meters, is braced at the midpoint about the weak axts, the ends are pinned in both axes. (Use ASD, 15 pts)
Ql: design short tied column to carry dead load 1600 kN and live load 1400 kN....
Ql: design short tied column to carry dead load 1600 kN and live load 1400 kN. 28 N/mm and Ty -420 N/mm Q2: design circular column spirally reinforced subjected to the following loads P 1000 kN Use fc-28 N/mnn, and fy =420 N/m rm2 Q 3: The 300 x 500 mm column shown in Fig. Q3 is reinforced with 8 No. 29 bars arranged around the column perimeter, providing an area Ast 5160 mm2. A factored load Pu of 1...
For a braced rectangular tied column with bars equally distributed along four sides, using the following...
For a braced rectangular tied column with bars equally distributed along four sides, using the following design data: Axial dead load Column size 270x270 mm Pu = 981 kN Mu = 42.4 kN.m fc' = 20.7 N/mm², fy = = 414 N/mm2, y =0.6 Bar diameter 16mm with cross-sectional area 200.96 mm2
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
Part A The concrete column is reinforced using four steel reinforcing rods, each having a diameter...
Part A The concrete column is reinforced using four steel reinforcing rods, each having a diameter of 18 mm. Est = 200 GPa, Ec = 25 GPa. (Figure 1) Determine the stress in the steel if the column is subjected to an axial load of P = 900 kN. Express your answer to three significant figures and include the appropriate units. ? I MÅ ot = Value R o a Units Ost = Value Units Figure < 1 of 1...
Q4 Design of isolated footings A 500 mm x 250 mm reinforced concrete column carries unfactored...
Q4 Design of isolated footings A 500 mm x 250 mm reinforced concrete column carries unfactored dead load of 1400 kN and unfactored dead load of 600 kN. The column is supported by a rectangular footing located 2.00 meters below ground level where the allowable soil bearing capacity is 292.4 KPa and unit weight is 20 kN/m2. Concrete compressive strength is 35 MPa and reinforcing steel yield strength is 420 MPa. 1. Calculate the required dimensions of a 600 mm...
Question No. 1-A simply supported rectangular beam 400 mm wide having an effective depth of 700...
Question No. 1-A simply supported rectangular beam 400 mm wide having an effective depth of 700 mm carries a superimposed dead load of 40 KN/m and a service live load of 50 KN/m over a 8 m clear span. Using fc’ = 21 MPa and fy = 420 MPa, Design the web reinforcement.
A reinforced concrete beam with dimensions (300 mm * 800 mm) subjected to a service dead...
A reinforced concrete beam with dimensions (300 mm * 800 mm) subjected to a service dead load moment (MD= 500 kN.m) and a service live load moment (ML = 400 kN.m). Design the section as a double reinforced section (the dimensions can't be increased). Place the compression reinforcement at 65 mm from the compression face. Compressive strength of concrete; fc = 28 MPa, yielding stress of reinforcement; fy= 420 MPa. Assume 30 mm to be used in the tension (two...
1) [Design] A reinforced concrete column is to be sized to carry pure axial compressive load....
1) [Design] A reinforced concrete column is to be sized to carry pure axial compressive load. According to ACI 318, what is the smallest possible cross-sectional area (Ag) that the column can use in design supporting an axial dead load of 200 kips (unfactored) and live load of 400 kips (unfactored). Use fc = 4,000 psi and fy = 60 ksi. Assume pe = 0.08 and ties for transverse reinforcement. Be sure to include the appropriate design factors and use...
2. Verify that a built-up ASTM A572 Grade 50 (Fy - 345 MPa) column with PL 205 x 25 mm flanges and PL 380 * 6 mn web is sufficient to carry a dead load of 300 kN and live load of 900 KN in axial compression. The column, having an unbraced length of 8 meters, is braced at the midpoint about the weak axts, the ends are pinned in both axes. (Use ASD, 15 pts)
Ql: design short tied column to carry dead load 1600 kN and live load 1400 kN. 28 N/mm and Ty -420 N/mm Q2: design circular column spirally reinforced subjected to the following loads P 1000 kN Use fc-28 N/mnn, and fy =420 N/m rm2 Q 3: The 300 x 500 mm column shown in Fig. Q3 is reinforced with 8 No. 29 bars arranged around the column perimeter, providing an area Ast 5160 mm2. A factored load Pu of 1...
For a braced rectangular tied column with bars equally distributed along four sides, using the following design data: Axial dead load Column size 270x270 mm Pu = 981 kN Mu = 42.4 kN.m fc' = 20.7 N/mm², fy = = 414 N/mm2, y =0.6 Bar diameter 16mm with cross-sectional area 200.96 mm2
Part A The concrete column is reinforced using four steel reinforcing rods, each having a diameter of 18 mm. Est = 200 GPa, Ec = 25 GPa. (Figure 1) Determine the stress in the steel if the column is subjected to an axial load of P = 900 kN. Express your answer to three significant figures and include the appropriate units. ? I MÅ ot = Value R o a Units Ost = Value Units Figure < 1 of 1...
Q4 Design of isolated footings A 500 mm x 250 mm reinforced concrete column carries unfactored dead load of 1400 kN and unfactored dead load of 600 kN. The column is supported by a rectangular footing located 2.00 meters below ground level where the allowable soil bearing capacity is 292.4 KPa and unit weight is 20 kN/m2. Concrete compressive strength is 35 MPa and reinforcing steel yield strength is 420 MPa. 1. Calculate the required dimensions of a 600 mm...
A reinforced concrete beam with dimensions (300 mm * 800 mm) subjected to a service dead load moment (MD= 500 kN.m) and a service live load moment (ML = 400 kN.m). Design the section as a double reinforced section (the dimensions can't be increased). Place the compression reinforcement at 65 mm from the compression face. Compressive strength of concrete; fc = 28 MPa, yielding stress of reinforcement; fy= 420 MPa. Assume 30 mm to be used in the tension (two...
1) [Design] A reinforced concrete column is to be sized to carry pure axial compressive load. According to ACI 318, what is the smallest possible cross-sectional area (Ag) that the column can use in design supporting an axial dead load of 200 kips (unfactored) and live load of 400 kips (unfactored). Use fc = 4,000 psi and fy = 60 ksi. Assume pe = 0.08 and ties for transverse reinforcement. Be sure to include the appropriate design factors and use...
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