Soil improvement can be achieved through mechanical stabilisation using industrial byproducts. Clayey soils were blended with waste foundry sand to examine its influence on the geotechnical engineering properties of the soils. The waste foundry sand was first subjected to standard geotechnical engineering testing. The effect of the foundry waste sand on the modification of the plasticity, swell potential, compaction characteristics and CBR values of the soils is demonstrated in this paper. The results show that the addition of waste foundry sand improves the performance potential of otherwise marginal materials for use in geotechnical engineering applications.
3CR12 is a corrosion-resisting steel containing approximately 12 % Cr. It was developed
in the early 1980s in South Africa and is available in Europe, specified as DIN 1, 4003.
<br>Experimental results of full-scale beam tests on the lateral torsional buckling
behaviour of recently developed 3CR12 hot-rolled structural sections are presented.
Singly and doubly-symmetric hot-rolled sections were investigated. The experimental
work was duplicated for 300WA carbon steel sections to use as a direct comparison.
<br>The experimental results are compared with theoretically calculated values of
the South African code of practice (SANS-10162-1:2005) and the European code of
practice (Eurocode 3). The recommended resistance factors are used. Conclusions and
recommendations of the possible inclusion into the current code of practices are given.