(a)(b)(c)Given,(i) area of Z100 x 100 x 8 = 15.39 cm2,%3D(ii) thickness of gusset plate = 10 mm(iii) nominal diameter of rivets = 16 mm,%3D(iv) permissible tensile stress = 150 MPa, and(v) as per IS : 800 (1984) for single angle, the neteffective area = A, + KA,%3DЗА,K =(3A, + A2)where,A,= effective cross-sectional area of theconnected leg,the gross cross-sectional area of theA2%3Dunconnected leg Calculate the tensile strength of a truss-member,1 = 2.5 m if it consists of:%3D(a) single angle 2100x100 x 8,(b) double angles 22100 x100 x 8 with tackrivetting and(c) double angles 22100 x100 x 8 without tackrivetting.

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Answered: Given, (i) area of Z100x100 x 8 = 15.39…

Given, (i) area of Z100x100 x 8 = 15.39 cm2, (ii) thickness of gusset plate = 10 mm (iii) nominal diameter of rivets = 16 mm, (iv) permissible tensile stress 150 MPa, and

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

Dependence on mechanical properties

The mechanical properties of materials are those structures that include the reaction to the load used. Metal switching features determine the scope of the usefulness of the content and establish the expected service life. Machine structures are also used to help distinguish and identify material objects. The most common mechanical properties considered are strength, ductility, stiffness, impact resistance, and resilience to fractures.

Question

(a)
(b)
(c)
Given,
(i) area of Z100 x 100 x 8 = 15.39 cm2,
%3D
(ii) thickness of gusset plate = 10 mm
(iii) nominal diameter of rivets = 16 mm,
%3D
(iv) permissible tensile stress = 150 MPa, and
(v) as per IS : 800 (1984) for single angle, the net
effective area = A, + KA,
%3D
ЗА,
K =
(3A, + A2)
where,
A,
= effective cross-sectional area of the
connected leg,
the gross cross-sectional area of the
A2
%3D
unconnected leg

Calculate the tensile strength of a truss-member,
1 = 2.5 m if it consists of:
%3D
(a) single angle 2100x100 x 8,
(b) double angles 22100 x100 x 8 with tack
rivetting and
(c) double angles 22100 x100 x 8 without tack
rivetting.

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