Document Archives

Commission Reports: Commission 1 – Concrete

• ID:

  390

• ESCSI:

  4000.050

• Author:

  Kirkbride, T.; I Holand; S. Helland

• Publication Name:

  FIP Notes

• Type of Publication:

  Article

• Publisher:

  Federation Internationale de la Precontrainte

• Dated:

  1993

• Issue/Volume:

  No. 3

• Other ID:

• Page(s):

  2

• Reference List:

  N

• Abstract:

  The Commission’s current project is concerned with high strength/high performance concrete. The work is being undertaken jointly with CEB by a working group chaired by Professor Ivar Holand (Norway).The FIP/CEB working group defines high strength concrete (HSC) as normal density concrete with a compressive cylinder strength above 60 N/mm² and lightweight concrete with a paste of similar quality. High performance concrete (HPC) is defined as a concrete with a water:binder ratio less than 0.4.
  The project includes five tasks:
  – promoting greater use and development (`Marketing’)
  – identifying lack of information in existing design Codes
  – extending the CEB/FIP Model Code 90 guidelines on high strength concrete
  – identifying research needs
  – collecting and disseminating information on ongoing research work.
  Emphasis is on `marketing’ at present, and a task group on this subject is gathering and collating information worldwide on projects using HSC/HPC (see p. 24). The study includes design Codes and standards, specifications, case studies and data on projects where the material has been used. A special application report will be published in 1994.
  JOINT CED/FIP WG ON HIGH STRENGTH/HIGH PERFORMANCE CONCRETE
  Meetings: the first meeting of the WG was in London, 27 July 1992;
  The second in Ghent, 25 January 93;
  The third was in Lillehammer, 24 June 93.
  Terms of reference (endorsed by CEB and FIP in January 1993).
  Definition of high strength/high performance concrete:
  In the work undertaken by the working group, HSC should be defined as all concretes with a compressive cylinder strength above the present existing limits in national codes, i.e. about 60 MPa, and up to 130 MPa, the practical upper limit for concretes with ordinary aggregates.
  Lightweight concrete with a density greater than 1200 kg/m3 produced with a cement paste of similar properties as for the defined HSC may also come under this definition.
  It is realized that, in many applications, the emphasis is more on high performance than on high strength. Hence, the designation HSC/HPC is used, although the definition above, used to characterize the type of concrete, is based on strength only.
  These are short commission reports which contain no other information regarding lightweight aggregate concrete.