| 单词 | main tie |
| 释义 | > as lemmasmain tie main tie n. Architecture and Civil Engineering a horizontal tie beam which joins the feet of two principal rafters at the base of a roof truss. ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > parts of building > framework of building > [noun] > roof-beam > other roof supports soulace1374 forkc1420 sispar1532 bougars1568 straining-beama1805 straining-piecea1805 straining-silla1805 hip truss1850 roost1880 shoulder-wedge1887 main tie1915 1915 W. F. Etchells in W. N. Twelvetrees Rivington's Notes Building Constr. (new ed.) ii. iii Sometimes double angles are used to minimise the sagging of the main ties in roofs of large span. 1983 J. S. Foster Struct. & Fabric (rev. ed.) I. vii. 188/2 The truss is fabricated from single members, the joint between the rafters and the main tie, which lie in the same plane, being made with gussets and the other joints by lapping the members. < as lemmas |
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