High-Strength Concrete in Melbourne, Australia


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Title: High-Strength Concrete in Melbourne, Australia

Author(s): Ian Burnett

Publication: Concrete International

Volume: 11

Issue: 4

Appears on pages(s): 17-25

Keywords: columns (supports); concrete slabs; high-strength concretes; pumped concrete; slipform construction; walls; General

Date: 4/1/1989

Describes the specification, supply, control, and construction of three large structures in downtown Melbourne, Australia, using 60 and 65 Mpa (8700 and 9425 psi) concrete. The advantages of high-strength concrete--reduction in member size, thus increasing rentable space; early stripping of formwork; greater stiffness; and reduced axial shortening of compression elements--are discussed, as are cost studies, test programs, supply plants and delivery, materials, mix proportions, placing and compaction, and compression testing and quality control.