A treatise on architecture and building construction . Fig. 27. 104. In Fig. 28 is a cheaper form of joint for a similarpurpose, though this may also be used in positions where itwill occasionally be subjected to slight tensilestrain. It is an improved form of that shownin Fig. 20, but with indents cut at def, in orderthat any tensile strain will come upon thewooden fish-plates, or battens c; and the lugs ofthe tiinbers, and not entirely upon the nails, orspikes, as is the case in Fig. 20. The thicknessof the plates c should each be equal to not lessthan one-quarter the depth of the timbers a
A treatise on architecture and building construction . Fig. 27. 104. In Fig. 28 is a cheaper form of joint for a similarpurpose, though this may also be used in positions where itwill occasionally be subjected to slight tensilestrain. It is an improved form of that shownin Fig. 20, but with indents cut at def, in orderthat any tensile strain will come upon thewooden fish-plates, or battens c; and the lugs ofthe tiinbers, and not entirely upon the nails, orspikes, as is the case in Fig. 20. The thicknessof the plates c should each be equal to not lessthan one-quarter the depth of the timbers a andh, and the indents <^^/should be not more thanone-third the thickness of the fish-plates. Theentire length of the joint from d to d may bethree times the timber depth, and the length ofFIG. 38. the indent from f to d about one-quarter the. 50 CARPENTRY. §9
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Keywords: ., bo, bookcentury1800, booksubjectarchitecture, booksubjectbuilding
