THE HIGH COST OF ACHIEVING LOW AFFLUX LIMITS UPSTREAM OF BRIDGES AND CULVERTS. MANAGING OUR ENVIRONMENT AND CARING FOR PEOPLE: THIRD NATIONAL LOCAL GOVERNMENT ENGINEERING CONFERENCE 1985

The construction of conventional bridges and culverts which create low or zero upstream afflux at the design discharge is costly. The cost is decreased as higher afflux is allowed. Both cost and afflux may be reduced by incorporating a large degree of streamlining into the shaping of the waterway into and out of the structure. Minimum energy design is a procedure for proportioning and shaping streamlined waterways. They have been proved to be practical in providing cheaper bridges and culverts which operate at low afflux if necessary, but cost is increased as any limitation on afflux is decreased. (Author/TRRL)

• Corporate Authors:

  Institution of Engineers

  11 National Circuit
  Barton, A.C.T.,   Australia 

  ARRB

  Melbourne, Victoria  Australia 
• Authors:
  • Cottman, N H
• Publication Date: 1985

Media Info

• Features: Figures; References;
• Pagination: p. 202-207
• Serial:
  • Publication of: Institution of Engineers, Australia
  • Publisher: Institution of Engineers

Subject/Index Terms

• TRT Terms: Bridges; Costs; Culverts; Design; Flow; Streamflow; Water
• Old TRIS Terms: Discharge
• Subject Areas: Bridges and other structures; Design; Finance; Highways; Hydraulics and Hydrology;

Filing Info

• Accession Number: 00462520
• Record Type: Publication
• Source Agency: ARRB
• Report/Paper Numbers: N85/14
• Files: ITRD, TRIS
• Created Date: Feb 28 1987 12:00AM