a)Enumerate all zero force member/s.b) Calculate the internal forces of all members in kN.c) Tabulate your propose W14 section for each member showing the internal load, available strengthand its corresponding DCR value. Design all members in the truss shown below using only W14 steel sections considering the factored loadsP₁ = 850kN. Assume k = 0.9 and use LRFD and A36. Ignore weights of truss members. The truss wassupported by a pin support at the left and a rocker support at the right. Maintain a DCR value of 0.80 to0.90 and use the most economical section. Apply design of tension and compression members. Ignorerupture and block shear failure for tension members. Use compact section only.Pu1.8m1.8mPu3mPuHB3m3mPu3mPuE

Given: Load, Pu = 850 kN Use A36, W 14 steel k=0.9 Solution: Compute support reactions: Since it is…

a)Enumerate all zero force member/s. b) Calculate the internal forces of all members in kN. c) Tabulate your propose W14 section for each member showing the internal load, available strength and its corresponding DCR value.

a)Enumerate all zero force member/s. b) Calculate the internal forces of all members in kN. c) Tabulate your propose W14 section for each member showing the internal load, available strength and its corresponding DCR value.

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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Properties of materials

A property of a material describes its characteristics and distinguishes it from the others. The material properties are described it in terms of its hardness, color, appearances, and so on. The material properties generally depend on the type of material, or whether it is a metal or an alloy. There are different kinds of material properties such as mechanical properties, thermal properties, physical properties, and chemical properties. Chemical properties describe the material in terms of a chemical change. The mechanical properties come into existence when the material is acted upon by an external load. Thermal properties are associated with the temperature of the material and specific heat.

Question

a)Enumerate all zero force member/s.
b) Calculate the internal forces of all members in kN.
c) Tabulate your propose W14 section for each member showing the internal load, available strength
and its corresponding DCR value.

Design all members in the truss shown below using only W14 steel sections considering the factored loads
P₁ = 850kN. Assume k = 0.9 and use LRFD and A36. Ignore weights of truss members. The truss was
supported by a pin support at the left and a rocker support at the right. Maintain a DCR value of 0.80 to
0.90 and use the most economical section. Apply design of tension and compression members. Ignore
rupture and block shear failure for tension members. Use compact section only.
Pu
1.8m
1.8m
Pu
3m
Pu
H
B
3m
3m
Pu
3m
Pu
E

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