. Cyclopedia of architecture, carpentry, and building : a general reference work. Fig. 17 Iron Dog. Fig. 178. Spiliing of Joists. may be set wholly or partially below the floor timbers, or flush withthem. If there are no objections to dropping the girder below,this is the simplest and strongest construction. In this case, thefloor beams should be sized down on the girders to maintain a per- 159 150 BUILDING SUPERINTENDENCE fectly level floor line, and a full bearing should be obtained for eachtimber. Wliere the girders are large the timbers may be broughtto butt against each other upon the gir
. Cyclopedia of architecture, carpentry, and building : a general reference work. Fig. 17 Iron Dog. Fig. 178. Spiliing of Joists. may be set wholly or partially below the floor timbers, or flush withthem. If there are no objections to dropping the girder below,this is the simplest and strongest construction. In this case, thefloor beams should be sized down on the girders to maintain a per- 159 150 BUILDING SUPERINTENDENCE fectly level floor line, and a full bearing should be obtained for eachtimber. Wliere the girders are large the timbers may be broughtto butt against each other upon the girder; and they should besecured end to end by iron dogs which turn down into each timber.(Fig. 177.) For small girders and light timbers, it will be better tolet the timbers lap close and be spiked to each other, as in Fig. the girders are near together, and the timbers long enoughto span two divisions, a rigid floor may be obtained by breakingjoints with the floor timbers every five or six feet. Flush Framing. If the girder is to be framed flush with thetimbers, the u
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