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Interface of wooden elements on nails, skobah, strengthened by overlays, name bezvrubochnymi connections.
Such connections widely apply in designs of roofs of individual houses. Bearing elements of a roof produce from boards section 50x150 mm. In places of joints beat double overlays from boards in the thickness of 25-30 mm. The length of nails 2,5-3 times exceeds a thickness of beaten boards or bruskov. /
Nails place parallel or slanting numbers at an angle 45 ° to an overlay axis, the distance from an end face of an overlay to an axis of an extreme number should be not less 15d (d - diameter of a nail), and from an edge of an overlay to an axis of a longitudinal number not less than 46. Through through a package of boards, it is necessary to bend the Ends of nails, the past across fibres. /
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a Fig. 20. Bezvrubochnye connections of frame walls :
And - interface of a rack with top obvjazkoj; - steel podpjatnik; in - interface stropilnoj feet with top obvjazkoj; g - figured skoba. |
At the device obvjazki frame walls (fig. 20) use podpjatnikov and figured skob raises durability of joints. The apertures left for nails, provide reliable and fast interface of elements. /
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a Fig. 21. Bezvrubochnye connections bruschatyh elements :
And - rack fastening to bottom obvjazke a steel square; - the same "К"-юсЁрчэющ an overlay; in - fastening bottom obvjazki a steel overlay; g - fastening of crossed elements skobami; d - rack fastening to top obvjazke skoboj. |
At interface of bars (fig. 21) steel squares, overlays, skoby also apply. /
The Device bezvrubochnyh connections on forces to even not very skilled carpenters. |