Situation 7:The figure shows a truss. The truss use angle bar for every members. Members BD and CD and CE are anglesections and needed to fasten to a gusset plate. with the thicknesses of 14 mm. The working stresses are 80 MPa for shear inthe rivets and 140 MPa for bearing stress due to the rivets..4 m4m3 mMATHalino.com4m360 KN19. How many 19 mm diameter rivets are needed to use for member BD. Number of rivets must express in whole number20. How many 19 mm diameter rivets are needed to use for member CD21. How may 19 mm diameter rivets are need to use for member CE

A simply support truss with point load acting at point E.Thickness of angle plates, Shear stress,…

Situation 7:The figure shows a truss. The truss use angle bar for every members. Members BD and CD and CE are angle sections and needed to fasten to a gusset plate. with the thicknesses of 14 mm. The working stresses are 80 MPa for shear in the rivets and 140 MPa for bearing stress due to the rivets.. A 4 m 4m 3m MATHalino.com 4m 360 KN 19. How many 19 mm diameter rivets are needed to use for member BD. Number of rivets must express in whole number 20. How many 19 mm diameter rivets are needed to use for member CD 21. How may 19 mm diameter rivets are need to use for member CE

Situation 7:The figure shows a truss. The truss use angle bar for every members. Members BD and CD and CE are angle sections and needed to fasten to a gusset plate. with the thicknesses of 14 mm. The working stresses are 80 MPa for shear in the rivets and 140 MPa for bearing stress due to the rivets.. A 4 m 4m 3m MATHalino.com 4m 360 KN 19. How many 19 mm diameter rivets are needed to use for member BD. Number of rivets must express in whole number 20. How many 19 mm diameter rivets are needed to use for member CD 21. How may 19 mm diameter rivets are need to use for member CE

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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Concept explainers

Sizing Joists and Rafters

In civil engineering and building construction, joists and rafters are the major components including beams and columns. Almost every structural construction including buildings, skyscrapers, bridges, commercial complexes, and so on makes use of joists and rafters to provide structural integrity to the building. Joists are primarily thick long pieces of metals, concrete, or wood that are used to support the floor and ceiling. On the other hand, rafters form the major component of pitched roofs, which are a series of sloped long pieces extending from a ridged area that makes contact with the plane area of the wall. They account for the load-bearing of the building along with the beams.

Question

Situation 7:The figure shows a truss. The truss use angle bar for every members. Members BD and CD and CE are angle
sections and needed to fasten to a gusset plate. with the thicknesses of 14 mm. The working stresses are 80 MPa for shear in
the rivets and 140 MPa for bearing stress due to the rivets..
4 m
4m
3 m
MATHalino.com
4m
360 KN
19. How many 19 mm diameter rivets are needed to use for member BD. Number of rivets must express in whole number
20. How many 19 mm diameter rivets are needed to use for member CD
21. How may 19 mm diameter rivets are need to use for member CE

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Step 1: Determine the given data.

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Step 2: Determine the support reactions

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Step 3: Determine the member forces.

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Step 4: 19. Determine the required number of rivets for member BD.

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Step 5: 20. Determine the required number of rivets for member CD.

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Step 6: 21. Determine the required number of rivets for member CE.

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