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Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

Forfatter: Guilford L. Molesworth

Sider: 744

UDK: 600 (093)

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484 moleswoeth’s pocket-book Proportions of Rivet-heads—continued. COUNTERSUNK RIVETS. The countersink should be at an angle of 60°, and in any case the counter- sinking should not extend beyond 4 ths of the thick- ness of the plate. Diameter of rivet, D=1'O. Depth of counter- sink .. .. = '£5D. Extreme diameter of head .. =1'52 D. CHEESE-HEADED HIVETS. Depth of head = ’45 D. Diameter of head = 1 • 51). BIVETED JOINTS IN J TENSION. In joints of the charac- ter shown in the diagram the plate is only weakened to the extent of one rivet- hole. The rivets near the point are sometimes of smaller diameter than the rest. >o o\ Zo o o o > o o OI o o o \O O I O O/ \O, I o/
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