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Amila Jayasinghe

Research Updates

Update 1

March 31, 2019

Initially, the objective was set to develop further optimised alternative reinforcement system for fabric formed beams using UHPFRC and flexible FRP. Now the objective was set at a step backward, to identify the most optimum form of reinforcement for floor beams. In this study, use of active reinforcement vs passive reinforcement, Steel vs FRP and shape optimised cages vs prismatic cages are to be looked at.

Illustration of the selected scenario:

  • Prismatic beams passively reinforced with steel

  • Simply supported beam of 6m long

  • Loads for an office building

  • A constant web width of 300mm, flange width is for 6m×6m bay according to BS EN 1992

  • Considered flexural, deflection and shear capacity

  • The depth was varied from 200mm to 600mm to identify the most optimum depth for Embodied Energy

  • Embodied energy is considered only for the web part since slab thickness was considered to be constant for every web depth

  • Only the materials required to construct the beams were considered, the energy for the construction process has not been counted

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