A weight off your mind: floor loadings and the climate emergency

摘要

Research shows that actual loads in buildings are consistently and significantly lower than those used in design. We also know that the minimum live loadings, and opportunities for reduction over large areas, are highly variable across global design codes. As a result, choosing loads above the minimum codified values is rarely justifiable, particularly since this has a direct impact on embodied carbon. While reducing design loadings may not be the most effective means of driving down embodied carbon in new buildings, it is still one of the quickest and simplest changes we can make as an industry. It also shows intent, leadership and a change in mindset. Furthermore, by normalising lower design loads, we maximise opportunities to reuse existing structures and capitalise on historic overdesign. As a result, continuing to challenge overspecification remains an important part of the transition to low-carbon structural design.