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Grouted post-tensioned concrete as a bridging material is compared with alternative choices for regularly occurring situations. Some examples are presented, and a commentary on comparative performance is included. Grouting of tendons is dealt with in some detail covering the development of current methods, design criteria, details, and inspection methods. The paper draws some tentative conclusions on the future of the material. M.V. Woolley and G.M. Clark
In the Building Act 1984 there came into force legislation which would allow private persons to act either as Approved Inspectors or Approved Persons. This had resulted from the Government’s intention to make building control more open to competition and to allow professionals to be involved in certifying not only their own work, but also that of others. The legislation, which was carried further by the coming into force of the Building (Approved Inspector, etc.) Regulations 1985, set down certain of the details which would be required to be satisfied which included, among other things, the matter of insurance. It was principally on that one point that the scheme foundered from l985 until the latter part of last year. B.A. Cox
A companion paper reports on the testing of a series of five two-bay X three-storey plane frames at full scale. Different forms of beam-to-column joint were employed, the principal objective being to study the influence of connection properties on deflections, distribution of internal forces and eventual failure of the frames. D.B. Moore and Professor D.A. Nethercot