MINIMUM ECCENTRICITY IN THE ULTIMATE STRENGTH ANALYSIS
MINIMUM ECCENTRICITY IN THE ULTIMATE STRENGTH ANALYSIS
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Date
1980-05
Authors
SOLOMON, Olusanya Sunday
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Abstract
The nominal allowance for eccentricity due to
construction tolerances as specified in three different
codes of practice (ACI 318-77, CP 110, and CEB-FIP Model
Code) was studied and compared with actual values of
construction errors measured on building sites. It was
found that the three specifications do not compare
favourably with one another, neither do they agree very
well with site results. Some inherent flaws in the way these
codes specify the nominal eccentricity was also discussed.
An alternative specification was then proposed which
not only corrects these flaws but also compares favourably
with site results. Unlike in the three codes referred to
above the proposed specification may be built-in into the
design formulae and it was shown that this simplifies the
ultimate strength design formulae.
Finally, this alternative proposal was utilized to
develop a set of formulae which allow for a uniform approach
to the design of concrete sections under different combinations
of bending moments and axial loads
Description
Thesis submitted in partial fulfilment of the requirements
for the award of the degree of MASTER OF ENGINEERING
(in Civil Engineering) of Ahmadu Bello University, Zaria,
Nigeria.
May, 1980
Keywords
MINIMUM,, ECCENTRICITY,, ULTIMATE,, STRENGTH,, ANALYSIS