Can someone please explain the difference between the different grout classes to SAA MP20? For example the difference between Class A and Class C grouts?
We have been required to do some rectification works on a recently constructed reinforced concrete headstock. This rectification works involves the drilling of 1200mm deep, 45mm diameter cores into the concrete. We have been diamond core drilling and all has gone well except for the last core...
Hi there, I am after some advice on how to correctly model an existing portal frame building. It is a fairly long-winded explanation so please bear with me!! The portal frame consists of two bays across its width, with the interior column (that separates the two bays) joining the rafters at the...
Hi there, I am after some advice on the analysis of an existing portal frame building using the structural analysis program ‘Microstran’. The portal frame is a standard portal frame consisting of I section columns and rafters. In addition, the portal frame also has a separate column...
Hi there. I have got a question regarding the bracing of a beam through the use of an identical beam running parallel to it. The beams are tied together through the use of horizontal members running from the top flange to top flange of each beam at approximately 2m centres (the top flange is the...
Hi there, I am looking for some guidance in regards to the calculation of the section slenderness of a member subject to bending in accordance with AS4100-1998. My query is in how Table 5.2 is applied to bending of the section about both the major x-axis and minor y-axis. For the purposes of...
Hi, I am doing some research on membrane structures (architectural sails) and have come across some information that says that these type of structures (large displacement structures) should be analysed at working loads, not limit state loads. It says that low factors of safety may result if an...
