Barrier Cables
The International Building Code postulates the erection of a barrier system at the open edges of ramps and along the peripheries, capable of withstanding a horizontal concentrated load of at least 6000 lbs (26.7 kN) and having a minimum height of 42 in. (1065 mm). In addition the system should be so constructed as to prevent / deny the passage to a sphere of 4 in. (100 mm) through any openings below 34 in. (864 mm). While above, the openings are required only to be small enough to prevent entry of an 8 in. (203 mm) sphere.
The options available for the barrier systems include pre-cast or cast-in-place walls, galvanized pipe, turnbuckles, etc. However, at present it is the barrier cable system that seems to be enjoying popularity due its advantages over the others. It is economical due it high strength-to weight ratio and efficient as to it resists the vehicle impact in the tensile rather than the bending mode.
References:
- US Census Bureau Headquarters Bldg
- Monument III at Worldgate / Parking Garage
- Centerpoint Parking
- Go to the Projects section to review the full references list.