Steel Frame Bridges | Hbeam Bridge
STANDARD DESIGN:
a. Bridge Design BMS 1992 (Bridge Management System) Directorate of Highways, Ministry of Public Works.
b. Standard Specifications for Bridges & Roads AASHTO 1992 Edition 15 (American Association of State and Transportations Officials).
MATERIAL SPECIFICATION :
a. Main Structure: High Tensile Steel (JIS SM-490 or equivalent).
b. Secondary Structure: High Tensile Steel (JIS SM-400 or equivalent).
c. Bolts & Washer: A-325 or equivalent grade 8.8.
d. Weld: In accordance with AWS (American Welding Standard) with E70xx or E60xx electrodes adapted to welded steel material.
e. Protection: Hot Dip Galvanized or Zinc Rich Paint with a minimum thickness of 100 Micron or on request.
f. Elastometric Pad: Rubber or synthetic with 55 +/- 5 hardness and SS-400 internal steel plate coating.