REINFORCED WOODEN STRUCTURE OF HIGHER FIRE-RESISTANCE Russian patent published in 1997 - IPC

FIELD: construction engineering. SUBSTANCE: this can be used in designing and manufacture of reinforced wooden load-bearing structures of various types. For higher load-bearing capacity and fire-resistance, wooden structure is provided with one or several combination reinforcing members which represent hollow pipe or pipes with holes drilled in their walls. Holes in pipe walls are hermetically closed with plugs of materials with melting temperature of 60-90 C. One end of pipe is plugged, and other end is connected with vessel containing noncombustible liquid. EFFECT: high efficiency. 2 dwg