https://ujcontent.uj.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 The influence of fly ash and ground granulated blast-furnace slag on the elastic modulus of concrete https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:21649 Tue 12 Nov 2019 16:30:55 SAST ]]> Simple criteria for evaluating sulphate attack in concrete https://ujcontent.uj.ac.za/vital/access/manager/Repository/uj:5082 Sat 16 Sep 2017 01:09:34 SAST ]]>