© Jack Hobhouse/ HawkinsBrown via Dezeen Wikipedia tells us that portal frames are very efficient construction technique to use for wide span buildings. "Portal frame construction is therefore typically seen in warehouses, barns and other places where large, open spaces are required at low cost and a pitched roof is acceptable." Even when made of wood, they are pitched as an economy solution.
That is why this new swimming poll in London By HawkinsBrown is such an eye-opener. When the Portal Frames are made of glue-laminated wood (Glulam) they are anything but utilitarian; they are gorgeous. © Jack Hobhouse/ HawkinsBrown via Dezeen Portal frames work because they have very strong, rigid joints that transfer the bending moment from the rafters to the columns, which are often deep at the top and tapered as they get closer to the ground. At the Freemen’s School in Ashtead, the columns stay the same […]