Carpentry and Joinery; A Text-Book for Architects, Engineers, Surveyors, Craftsmen, and Students

Carpentry and Joinery; A Text-Book for Architects, Engineers, Surveyors, Craftsmen, and Students

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 edition. Excerpt: the inter-tie by straps; the king-post is made equivalent to running through the two trusses, owing to the use of the strap shown in fig. 180. In this case it will be seen that the sill does not run through from wall to wall, owing to the floor joists running transversely under it, and thus preventing it being placed between two of them. It will be seen that the whole system of framing is dependent upon the upper truss, which has not only to sustain itself and the lower portion, but has also to carry the floor above. The line diagram shown in fig. 181 represents a partition framed on the principle of three doorways, one in the centre and the other two at each end. The symmetrical arrangement of the doors renders it easy to place the pressure on the walls. The queen-posts run right through the inter-tie to the sill, and the inter-tie itself is connected by straps across the queen-post. The braces, which correspond to the principal rafters in a queenpost truss, are stiffened by struts fixed against the inter-tie and queen-post, as shown. As in the last case, the stability of this partition is principally dependent upon the upper truss. In cases where the door-posts do not come on to a joist, "firrings" are fixed between two of the joists upon which the extremities rest. Owing to imperfect joints, and the tendency of the timber to shrink, settlements frequently occur in partitions, and often serious cracks are found to occur after they have been plastered. It is very essential that only well-seasoned timber be employed, and the partitions should be left some time after they are erected, and with the whole ultimate weight upon them, before they are plastered, so that they may take their bearings, and any defect be made good. The more

Product details

  • Paperback | 66 pages
  • 189 x 246 x 4mm | 136g
  • Miami Fl, United States
  • English
  • Illustrations, black and white
  • 1236499158
  • 9781236499158
  • 2,314,934