Stronger concrete needed to fix ‘basic mistake’ of defective MTR station columns: experts

Hong Kong’s railway operator can use high-strength concrete to rectify the structure of dozens of defective columns at a station under construction, an engineer and a construction sector leader have said, describing the shoddy work as a “basic mistake”. Their remarks came after the Buildings Department revealed on Saturday that about 30 columns at the Tung Chung West MTR station…