Rev. 9-1-95
GABIONS
625-R-194
The Standard Specifications are revised as follows:
SECTION 625, BEGIN LINE 1, INSERT AS FOLLOWS:
SECTION 625 -- GABIONS
(a) Each interlocking fastener shall be in a locked and closed position.
(b) Each ring fastener shall be closed. The free ends of the fastener shall overlap a minimum of 25 mm (1 in.).
(a) The maximum load is reached and a drop in strength is observed with subsequent loading.
(b) An opening of greater than 50 mm (2 in.) appears along the panel width between two selvedge wires in a fastener confining either two or four selvedge wires.
TABLE FOR MINIMUM STRENGTH TESTS FOR GABION AND MATTRESS BASKETS
PART | MINIMUM STRENGTH Newtons per Meter (Pounds per Linear Foot) |
||
GABIONS |
MATTRESSES |
||
Mesh pulled parallel to wire twist |
29 188 (2,000) | 29 188 (2,000) | 29 188 (2,000) |
Mesh pulled perpendicular to wire |
14 594 (1,000) | 14 594 (1,000) | 14 594 (1,000) |
Connection of selvedge wire to mesh |
20 431 (1,400) | 17 512 (1,400) | 13 135 (900) |
(a) Steel pipe of 50 mm (2 in.) in size, either black or galvanized, in accordance with ASTM A 120
(b) Structural steel angles L 76 x 76 x 9.5 mm (L 3 x 3 x 3/8 in.) in accordance with ASTM A 36.