Quo 2.11. Design the longitudinal and circumferential joint for aboiler whose diameteris 2.4 meter and is subjected to a pressure of1 N/mm?. The longitudiral joint is a triple riveted butt joint withan efficiency of about 85% and the circumferentialjoint is a doubleriveted lap joint with an efficiency of nbout 70 %. The pitch in theouter rows of the rivets is to be double than in the inner rows andthe width of the cover plate is unequal. The allowable stresses are:0,=7 MPa, r = 56 MPa and o̟ = 120 MPa. Asgume that the resistanceof rivets in double shear is 1.875 times that of single shear. Drawthe complete joint.

Given data,P=1 N/mm2D=2.4mηL=85%(triple riveted butt joint)ηC=70%(double riveted lap joint)σt…

Quo 2.11. Design the longitudinal and circumferential joint for a boiler whose diameteris 2.4 meter and is subjected to a pressure of 1 N/mm?. The longitudiral joint is a triple riveted butt joint with an efficiency of about 85 % and the circumferential joint is a double riveted lap joint with an efficiency of about 70 %. The pitch in the outer rows of the rivets is to be double than in the inner rows and the width of the cover plate is unequal. The allowable stresses are: 0, =7 MPa, r= 56 MPa and o, = 120 MPa. Assume that the resistance of rivets in double shear is 1.875 times that of single shear. Draw

Quo 2.11. Design the longitudinal and circumferential joint for a boiler whose diameteris 2.4 meter and is subjected to a pressure of 1 N/mm?. The longitudiral joint is a triple riveted butt joint with an efficiency of about 85 % and the circumferential joint is a double riveted lap joint with an efficiency of about 70 %. The pitch in the outer rows of the rivets is to be double than in the inner rows and the width of the cover plate is unequal. The allowable stresses are: 0, =7 MPa, r= 56 MPa and o, = 120 MPa. Assume that the resistance of rivets in double shear is 1.875 times that of single shear. Draw

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.160P: If PCD=6000lb and PGD=1000lb (both compression), find P and Q.

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Question

Quo 2.11. Design the longitudinal and circumferential joint for a
boiler whose diameteris 2.4 meter and is subjected to a pressure of
1 N/mm?. The longitudiral joint is a triple riveted butt joint with
an efficiency of about 85% and the circumferentialjoint is a double
riveted lap joint with an efficiency of nbout 70 %. The pitch in the
outer rows of the rivets is to be double than in the inner rows and
the width of the cover plate is unequal. The allowable stresses are:
0,=7 MPa, r = 56 MPa and o̟ = 120 MPa. Asgume that the resistance
of rivets in double shear is 1.875 times that of single shear. Draw
the complete joint.

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