. Machine design. 7. The single lap joint with cover plate, as shown in Fig. 19,is to have pitch of outer rivets double that of inner row. De- 68 MACHINE DESIGN. termine diameter and pitch of rivets for | inch plate and theefficiency of joint. ?- \w//A w \_7. Fig. 19. 27. Riveted Joints for Narrow Plates. The jointswhich have been so far described are continuous andbut one strip of a width equal to the pitch or the leastcommon multiple of several pitches, has been investi-gated. When narrow plates such as are used in structuralwork are to be joined by rivets, the joint is designedas a whole. D
. Machine design. 7. The single lap joint with cover plate, as shown in Fig. 19,is to have pitch of outer rivets double that of inner row. De- 68 MACHINE DESIGN. termine diameter and pitch of rivets for | inch plate and theefficiency of joint. ?- \w//A w \_7. Fig. 19. 27. Riveted Joints for Narrow Plates. The jointswhich have been so far described are continuous andbut one strip of a width equal to the pitch or the leastcommon multiple of several pitches, has been investi-gated. When narrow plates such as are used in structuralwork are to be joined by rivets, the joint is designedas a whole. Diamond riveting similar to that shownin Fig. 17 is generally used and the joint may be alap, or a butt with double straps. The diameter ofrivets may be taken about times the thickness ofplate [see equation (41) ], and enough rivets used sothat the total shearing strength may equal the tensilestrength of the plate at the point of the diamond,where there is one rivet hole. It may be necessary toput in more rivets of a less diameter in order to makethe figure symmetrical. The efficiency of the joint may be tested at the dif-ferent rows of rivets, allowing for tension of plateand shear of rivets in each case. Problems. 1. Design a diamond-riveted lap-
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1906
