| 单词 | tie-beam | 
| 释义 | > as lemmastie-beamcamber-beam: one with its upper surface curving downward on both sides from the middle.  collar-beam: a beam used to join together roof-rafters above the base of the roof, acting either as a tie or a strut.  dragon-beam: a short piece of timber lying diagonally with the wall plates at the angles of the roof, for receiving the heel of the hip rafter.  hammer-beam: a beam acting as a tie, but not extending across the whole span of the roof.  tie-beam: the beam which connects the bottom of a pair of principal rafters, and prevents them from thrusting out the walls.extracted from beamn.1 tie-beam   tie-beam  n.  Brit. , U.S. a horizontal beam which acts as a tie: see esp. quot. 1823. ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > parts of building > framework of building > 			[noun]		 > roof-beam pan1284 roof-tree1321 wiverc1325 sile1338 wind-beam1374 bindbalkc1425 trave1432 purlin1439 side-waver1451 wind-balk1532 roof beam1551 post1567 crock1570 spercil1570 collar-beam1659 camber1679 top-beam1679 camber-beam1721 jack rafter1736 hammer-beam1823 tie-beam1823 spar-piece1842 viga1844 collar1858 spanner1862 cruck1898 society > occupation and work > industry > building or constructing > building or providing with specific parts > specific parts built or constructed > 			[noun]		 > beams or supports sillc897 sole-tree1527 spur1529 brace1530 rance1574 strut1587 ground pin1632 ground-plate1663 strut-beam1668 wale-piece1739 strutting-beam1753 wale1754 stretcher1774 tie1793 tie-beam1823 strutting1833 lattice frame1838 tie-bolt1838 tie rod1839 brace-rod1844 web1845 box girder1849 plate girder1849 lattice beam1850 lattice girder1852 girder1853 twister1875 under-girder1875 truss-beam1877 raker1880 wind-bracing1890 portal strut1894 stirrup1909 knee-brace1912 tee-beam1930 tee section1963 binder- 1823    P. Nicholson New Pract. Builder 125  				A tie-beam is a piece of timber, connecting the feet of the principal rafters, in order to prevent them from spreading. 1832    H. Douglas Ess. Mil. Bridges 		(ed. 2)	 vii. 385  				A very slender tie-beam is sufficient to withstand these horizontal thrusts, as in the roofs of buildings. 1851    F. Palgrave Hist. Normandy & Eng. I. 436  				The open roof and tyebeams of a Roman Basilica. < as lemmas | 
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