| EPSRC Reference: |
GR/M65670/01 |
| Title: |
MULTI-AXIAL PROPERTIES OF FIBRE REINFORCED CONCRETE |
| Principal Investigator: |
Phillips, Dr D |
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| Department: |
Civil Engineering |
| Organisation: |
University of Glasgow |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 August 1999 |
Ends: |
31 July 2002 |
Value (£): |
180,804
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| EPSRC Research Topic Classifications: |
| Materials Characterisation |
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| EPSRC Industrial Sector Classifications: |
| Construction |
No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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Experimental tests will be conducted to obtain fundamental data on the behaviour of high strength fibre reinforced concrete under multi-axial stress states. The main focus will be on defining yield surfaces and deformation responses, including volume changes. Strain softening and fracture energy will be monitored to assess ductility and toughness. Two fibre types, steel and polypropylene, will be examined with various aspect ratios and volume fractions. Concrete strengths of 60Mpa, 90Mpa and 120Mpa will be used. Tests will focus on monotonically increasing biaxial stress states although some triaxial tests will be conducted.A large multi-axial testing facility designed and constructed in-house at Glasgow University will be used for the tests. This can apply loads up to 2MN on each axis. Plate specimens of 200x200x50mm size will be loaded through brush platens. These produce reliable, uniform stress fields.The experimental data will be developed into mathematical constitutive models using a computational plasticity framework. This will define appropriate yield surfaces and flow rules by assuming fibre reinforced concrete is a homogeneous, isotropic material. Computationally robust stress return and other algorithms will be developed for implementation into non-linear finite element programs. These will be validated by analysing previous tests on fibre reinforced structures.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.gla.ac.uk |