A steel truss is shown in Fig. 4. The steel grade is S275. Design each truss member for (use equalleg angles only and choose the most economic section) the following loads. Assume allconnections are welded and ignore buckling.Dead Load: P1=79 kNP2= 126 kNLive Load: PI=221 kNP2= 285 kNP25 mP15 m5 mFig.4. Steel truss.

Given:- Dead load:- P1=79kN P2=126kN Live Load:- P1=221kN P2=285kN To find:- design truss member

Answered: leg angles only and choose the most…

leg angles only and choose the most economic section) the following loa connections are welded and ignore buckling. Dead Load: P1-79 KN Live Load: P1-221 kN P2= 126 KN P2= 285 KN

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter6: Beam–columns

Section: Chapter Questions

Problem 6.9.2P

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Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.

Question

A steel truss is shown in Fig. 4. The steel grade is S275. Design each truss member for (use equal
leg angles only and choose the most economic section) the following loads. Assume all
connections are welded and ignore buckling.
Dead Load: P1=79 kN
P2= 126 kN
Live Load: PI=221 kN
P2= 285 kN
P2
5 m
P1
5 m
5 m
Fig.4. Steel truss.

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