Page 29 - ICJ Jan 2023

TECHNICAL PAPER COLLECTOR’S EDITION

Calculated deflections for each stage were incorrect, References
largely through the fact that the box-section was 1. Lee, D. J. Bending moments in beams of serial
constructed in three separate stages. After the construction. Proceedings of the Institution of Civil
soffit had been placed, the webs were cast, then Engineers, December 1967. Vol 38, pp. 621 -637.
the deck slab. The differential shrinkage between
these elements of different ages produced quite 2. Fransen, B. The analysis of continuous frames
large errors in deflection calculations. curved in plan. Thesis submitted for the MSc
degree of the University of New Brunswick,
The approach spans and all piers were designed September 1969.
by the Structure Branch of the New Brunswick
Department of Public Works. The author in
association with Mr C. A. Ponder of ADI Limited,
Frederiction, designed the continuous girder.
Modern Construction Limited, of Moncton, New
Brunswick, were the general contractors, with
BBR (Canada) Limited responsible for the post-
tensioning.

Ralph M. Francis, PEng, Civil Engineering Department, University of New Brunswick, Fredericcon, New
Brunswick, Canada.

30 The Indian Concrete Journal | November 2018