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Browsing Research Articles (Civil Engineering) by UP Author "Burdzik, W.M.G."
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Burdzik, W.M.G.
(South African Institution of Civil Engineering, 2004)
Recent timber trussed roof failures in South Africa, especially in Gauteng, of large-span trusses have necessitated a rethink about the analysis of timber trusses in general, but especially primary
girder trusses, which ...
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Burdzik, W.M.G.
(South African Institution of Civil Engineering, 1997)
The Eurocode 5 (1995) timber connection design formulae are discussed briefly
and applied to the usual standard bolted or nailed South African round timber
pole connections to obtain theoretical strengths. These theoretical ...
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Burdzik, W.M.G.; Dekker, N.W.
(South African Institution of Civil Engineering, 1999)
Problems attributed to the bracing of timber roofs have necessitated a fresh
look at the bracing criterion given in the timber design code, SABS 0163 (1994).
The difference between bracing provided for stability of the ...
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Burdzik, W.M.G.; Dekker, N.W.
(South African Institution of Civil Engineering, 2002)
The notable increase in problems related to the bracing of timber
roofs clearly indicates that the time is ripe to seriously consider
amended rules governing the design of such bracing.
Burdzik et a1 have proposed a set ...
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Burdzik, W.M.G.
(South African Institution of Civil Engineering, 2005)
Certain three-dimensional effects are sometimes ignored in the analysis of multiple-ply timber girder trusses that are loaded on one face of the combined truss, namely relative slip between the trusses and torsion. The ...
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Burdzik, W.M.G.
(South African Institution of Civil Engineering, 2006)
In timber roofs, multiple-ply trusses are placed next to each other and the web members are held together with nails. This paper presents various methods, among which is a simple spring model, whereby the effective stiffness ...
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Burdzik, W.M.G.; Skorpen, Sarah Anne; Jansen van Rensburg, Karin
(Institution of Civil Engineering, 2014-03)
Recent roof failures in South Africa, of multiple ply nail plated trusses, have necessitated a rethink about the way in which timber trusses are analysed. The authors believe that the relative slip between plies caused by ...
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Burdzik, W.M.G.; Skorpen, Sarah Anne
(South African Institution of Civil Engineering, 2016-12)
Most of the current research on the design of timber composite beams involves either complex
mathematical models which are not checked with experimental testing, or is purely based on
experimental work with no attempt ...
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Dekker, N.W.; Burdzik, W.M.G.; Marshall, Vernon
(South African Institution of Civil Engineering, 2004)
The structural design codes particular to the various structural materials appear to have developed in isolation. Structural mechanics, methods of analysis and limiting-stress-based calculations are common to all materials. ...
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Burdzik, W.M.G.
(South African Institution of Civil Engineering, 2002)
This paper discusses the concept of round-end cut webs for
timber trusses. Punched steel gusset plates that are nailed by
means of individual nails may be used for site assembly of
trusses with round-end webs. Nailed ...
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Burdzik, W.M.G.; Skorpen, Sarah Anne
(Elsevier, 2014-09)
Diagonal bracing is a common method used in South Africa for the bracing of timber trussed roofs with
spans of less than 9 m. In the typical diagonally braced roof system, the brace is placed on the underside
of the ...
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Burdzik, W.M.G.
(South African Institution of Civil Engineering, 2002)
Recent bending and compression tests on currently produced
SA pine and low-density Eucalyptus saligna have shown that
the fifth percentile modulus of elasticity, MOE, is lower than the
values published in SASS 0763 ...
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Dekker, N.W.; Burdzik, W.M.G.
(South African Institution of Civil Engineering, 2005)
With the common and widespread use of PC-based design packages in the design of
Steel Structures, it is of fundamental importance to revisit the basic principles contained in and sometimes omitted from common analysis ...
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Burdzik, W.M.G.; Dekker, N.W.
(South African Institution of Civil Engineering, 2012-04)
In South Africa, timber-trussed roofs supporting concrete tiles have for many years often been braced solely by means of diagonal braces. Failures have shown that the diagonal brace was inadequate for larger span roofs, ...
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Dekker, N.W.; Burdzik, W.M.G.
(South African Institution of Civil Engineering, 2002)
complex interaction between the bracing system and the member. Most studies have involved sophisticated computer analysis and as such the behavioural aspects have been clouded, especially when the results of such studies ...
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Burdzik, W.M.G.
(South African Institution of Civil Engineering, 1997)
The paper looks at alternative round timber pole connections that make monoplanar
structures and trusses a possibility. Three different systems are discussed
and where test results are available, these are compared with ...
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Burdzik, W.M.G.; Skorpen, Sarah Anne
(South African Institution of Civil Engineering, 2020-03)
There is an apparent increase in failure of timber truss web members or compression chords. This
paper seeks to reassess buckling of the compression chords with specific focus on web members.
There are two possibilities ...