Please answer the problem attach image below, Using NSCP 2015, show your solution. 1. Design the top chord of the truss shown in the figure. Use ST (T-section) secion with A36 steel Fy =248 and Fu = 400MPa.The member to be connected three per line (U= 0.9) and the bolt connected in the web. Use 22 mm diameter boltProperties of ST 5 x 17.5Area 3323 mm²d = 127 mmbf 125.58 mmtf 12.47 mmtw 15.09 mmry= 22.89 mm1.8 mPu= 63 KNB1.8 m1.8 mPu= 126 kN P. = 126 kNProperties of ST 6 x 15.9Area 3019 mm²d = 152.4 mmbf= 127 mmtf = 13.82 mmtw = 8.89 mmry = 25.4 mmD1.8 nProperties of ST 6 x 17.5Area = 3316 mm²d = 152.4 mmbf 128.98 mmtf = 13.82 mmtw = 10.87 mmry = 24.89 mm

Answered: Image /qna-images/answer/fd6a5ee0-c11b-4cc9-970f-e0e255e8cb9e.jpg

1. Design the top chord of the truss shown in the figure. Use ST (T-section) secion with A36 steel Fy=248 and Fu = 400MPa. The member to be connected three per line (U= 0.9) and the bolt connected in the web. Use 22 mm diameter bolt 1.8 m 4 Pa 126 kN P. = 126 kN Pu= 63 kN B 1.8 m 1.8 m 1.8 n

1. Design the top chord of the truss shown in the figure. Use ST (T-section) secion with A36 steel Fy=248 and Fu = 400MPa. The member to be connected three per line (U= 0.9) and the bolt connected in the web. Use 22 mm diameter bolt 1.8 m 4 Pa 126 kN P. = 126 kN Pu= 63 kN B 1.8 m 1.8 m 1.8 n

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Stair construction and layout

Stair is a type of vertical transportation in a building which consist of a series of steps in a flight of stairs that enable the vertical movement of people and materials from one floor to another. A staircase consists of steps that comprises of riser & tread, handrail, baluster, stair stringers, newel post and waist slab. The construction of staircase with all the components is termed as stair construction. A staircase is an enclosure that contains the entire stairway. The materials used for the construction of stairs are bricks, reinforced cement concrete, stone, lumber, steel and a combination of these materials.

Question

Please answer the problem attach image below, Using NSCP 2015, show your solution.

1. Design the top chord of the truss shown in the figure. Use ST (T-section) secion with A36 steel Fy =248 and Fu = 400MPa.
The member to be connected three per line (U= 0.9) and the bolt connected in the web. Use 22 mm diameter bolt
Properties of ST 5 x 17.5
Area 3323 mm²
d = 127 mm
bf 125.58 mm
tf 12.47 mm
tw 15.09 mm
ry= 22.89 mm
1.8 m
Pu= 63 KN
B
1.8 m
1.8 m
Pu= 126 kN P. = 126 kN
Properties of ST 6 x 15.9
Area 3019 mm²
d = 152.4 mm
bf= 127 mm
tf = 13.82 mm
tw = 8.89 mm
ry = 25.4 mm
D
1.8 n
Properties of ST 6 x 17.5
Area = 3316 mm²
d = 152.4 mm
bf 128.98 mm
tf = 13.82 mm
tw = 10.87 mm
ry = 24.89 mm

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Step 1: Introduce the problem statement

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Step 2: Determine support reaction

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Step 3: Geometry of truss

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Step 4: Evaluate member forces

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Step 5: Determine required gross and net area

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Step 6: Design the top chord member

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Step 7: Check for slenderness ratio

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