Destructive Test Study of a Prestressed Concrete Hollow Slab Beam Bridge

Actual bridge destructive tests are of great significance to investigate the mechanical behavior and failure mechanism of existing bridges under ultimate loads. However, the field destructive experiments were seldom carried out up to now due to the limitations of test opportunities, cost and difficulties. In this research, a prestressed concrete hollow slab beam bridge, East Meng Jiang Nu Bridge, was used for full-scaled destructive test, which would soon be dismantled owing to the relocation of expressway. The test scheme, including loading method and instruments arrangement, was prescribed in detail, and the law of deflection change, strain variation and crack propagation of the bridge were systematically discussed, as well as the failure process and mode. The results showed that the actual bearing capacity of the bridge was much higher than the theoretical value, the failure of concrete hinge points was the major factor which led to the loss of structural integrity, and the guardrails had significant influence on the failure mode and bearing capacity of the bridge with its strengthening effects on superstructure. The study of this paper will provide technical reference for similar bridges in such aspects as maintenance and reinforcement, ultimate state research and load-carrying capacity assessment.

• Record URL:
  • https://doi.org/10.1061/47625(404)8
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9780784476253
• Supplemental Notes:
  • Copyright © 2011 ASCE
• Corporate Authors:

  American Society of Civil Engineers

  1801 Alexander Bell Drive
  Reston, VA  United States  20191-4400
• Authors:
  • Wang, Fu Ming
  • Kang, Sheng Zhen
  • Cai, Ying Chun
  • Li, Xiao Long
• Conference:
  • GeoHunan International Conference 2011
  • Location: Hunan , China
  • Date: 2011-6-9 to 2011-6-11
• Publication Date: 2011

Language

• English

Media Info

• Media Type: Digital/other
• Features: References;
• Pagination: pp 57-64
• Monograph Title: Condition, Reliability, and Resilience Assessment of Tunnels and Bridges

Subject/Index Terms

• TRT Terms: Bearing capacity; Bridge superstructures; Bridges; Mechanical properties; Prestressed concrete; Structural strengthening
• Uncontrolled Terms: Destructive tests; Load carrying capacity
• Subject Areas: Bridges and other structures; Highways; Maintenance and Preservation; I60: Maintenance;

Filing Info

• Accession Number: 01347803
• Record Type: Publication
• ISBN: 9780784476253
• Files: TRIS, ASCE
• Created Date: Aug 8 2011 2:21PM