C&amp 1 Conservation of buildings & building materials 1 DW 1 History of engineering & technology 1 Technology: general issues 1 aggregates 1 alkali-activated materials 1 binder 1 building 1 carbonation 1 circular economy 1 compressive strength 1 concrete 1 construction 1 construction and demolition waste 1 construction and demolition waste (C&DW) 1 construction and demolition wastes 1 demolition waste 1 green deal 1 interview 1 life cycle assessment 1 local authorities 1 management 1 material stock analysis 1 mechanical properties 1 multi-criteria decision-making 1 municipal solid waste incineration bottom ash 1 pavement 1 paving stones 1 quantification 1