| 摘要 |
FIELD: construction engineering; woodworking indusFIELD: construction engineering; woodworking industry. SUBSTANCE: this can be used in agriculture fotry. SUBSTANCE: this can be used in agriculture for building storages, shelters, and houses. Wooden r building storages, shelters, and houses. Wooden beam panel for roof and covering is made up of beabeam panel for roof and covering is made up of beams tightened together by braces inserted through ams tightened together by braces inserted through aligned holes in beams. Located at extremes of paneligned holes in beams. Located at extremes of panel are beams of cross-section which exceeds cross-sl are beams of cross-section which exceeds cross-section of remaining beams by 1.5-2.5 times. These ection of remaining beams by 1.5-2.5 times. These large beams are located at one side of panel flushlarge beams are located at one side of panel flush with beams of entire panel. EFFECT: high efficien with beams of entire panel. EFFECT: high efficiency. 2 cl, 5 dwgF cy. 2 cl, 5 dwgo
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