Richard James Lawrence
Engineers at Puma Trl, Littleton, CO
License number
Colorado 22944
Issued Date
Nov 9, 1984
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
7001 Puma Trl, Littleton, CO 80125
Professional information
Reinforced Concrete Deck Structure For Bridges And Method Of Making Same
US Patent:
6578343, Jun 17, 2003
Filed:
Nov 12, 2001
Appl. No.:
09/992635
Inventors:
Fred Dumler - Denver CO
Richard L. Lawrence - Littleton CO
Richard L. Lawrence - Littleton CO
Assignee:
Pipe Service, Inc. - Denver CO
International Classification:
E04C 232
US Classification:
5278317, 52414, 52452, 52600, 14 73
Abstract:
A reinforced concrete deck structure particularly adaptable for bridge spans is made up of superimposed layers of concrete with a corrugated metal pan therebetween along with a plurality of reinforcing bars which extend transversely of and through the corrugations. Individual, partially completed slabs are precast and are then placed on a bridge span and covered with a second layer.