REVETMENT MATTRESS.

摘要

PCT No. PCT/AU88/00158 Sec. 371 Date Mar. 13, 1989 Sec. 102(e) Date Mar. 13, 1989 PCT Filed May 25, 1988 PCT Pub. No. WO88/09404 PCT Pub. Date Dec. 1, 1988.A revetment mattress for preventing the erosion of earthen structures comprising a revetment fabric having a pair of layers of flexible pervious plastic material interconnected by intermittent and staggered spacer threads. This structure has the ability to maintain the layers in a substantially parallel relationship once the mattress has been injected with filler material.