Post for a guard rail

Details Post for a guard rail Post for a guard rail

1979-10-09

1981-09-15

Kundrat, Andrew V.

Fences

Highway guard

256 19, E01F 1500

Patent

active

042893011

ABSTRACT:
A post for a guard rail used on a highway. Said post is made of an aluminum cast alloy, and is formed in an I-shape in a horizontal cross section, having a central web and front and rear flanges, and being wider at its lower portion. A mechanical neutral plane of the post along the widthwise direction thereof is formed in an S-shape, so as to provide sufficient plasticity and supporting ability to absorb an impact load of a vehicle and to protect a driver from injury.

REFERENCES:
patent: 2907552 (1959-10-01), Crone
patent: 2969223 (1961-01-01), Hansen
patent: 3028148 (1962-04-01), Crannell
patent: 3262240 (1966-07-01), Schuman et al.

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