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Project Title: Construction Loads and Vibrations

Sponsored by: Illinois Transportation Research Center

Research Objectives:

• Investigate the effects of construction loads and vibrations on typical newly poured reinforced concrete bridge decks.
• Perform experimental analysis to check whether curvature contributed towards the cracking of fresh concrete.
• Develop a detailed scheme for instrumentation, data collection and analysis, and construction monitoring procedures.
• Perform dynamic field testing.
• Provide a recommendation plan for the reduction and control of cracks caused by loads and vibrations encountered during construction.

Accomplishments:

• Compendium was developed considering all the factors influencing the effects of construction loads and vibration.
• Finite element analysis to optimize sensor locations for the dynamic field testing.
• Time history and dynamic analysis were performed.
• Developed a computer program to identify the best possible pouring sequence for continuos span bridges.