Page 9 - New Trends in Eco efficient and Recycled Concrete

viii Contents

5.8 Other applications of sewage sludge ashes in construction
materials 146
5.9 Conclusions 148
References 149

6 Recycling of waste glass in construction materials 153
Jian-Xin Lu and Chi Sun Poon
6.1 Waste glass situation in Hong Kong 153
6.2 Background on the use of waste glass in cement-based materials 154
6.3 Application of waste glass in cement mortar 155
6.4 Application of waste glass in paving blocks 157
6.5 Application of waste glass in OPC concrete 160
6.6 Current and potential applications of waste glass in construction
industries 161
6.7 Conclusion 163
Acknowledgement 164
References 164

7 Steel slags 169
Carlos Thomas, Julia Rosales, Juan Antonio Polanco
and Francisco Agrela
7.1 Steel manufacturing 169
7.1.1 By-products of steel manufacturing 169
7.1.2 Types and classification of steel slags 170
7.2 Steel slags from electric arc furnace 174
7.2.1 Morphology and mechanical behaviour 175
7.2.2 Specific gravity and absorption 176
7.2.3 Concrete using EAFS aggregate 177
7.3 Stainless steelmaking slags 180
7.3.1 Application of steel slags 180
7.3.2 Application of stainless steel slags 181
7.4 Geopolymer synthesised by the activation of steel slags 182
7.4.1 Principles of geopolymers 183
7.4.2 Possible use of steel slags in the manufacturing
of geopolymers 183
7.4.3 Future research lines of steel slags in geopolymer
production 185
7.5 Concluding remarks 186
References 186

8 Recycled mollusc shells 191
Caroline Martı ´ nez-Garcı ´ a, Bele ´n Gonza ´lez-Fonteboa,
Diego Carro-Lo ´pez and Fernando Martı ´ nez-Abella
8.1 Introduction 191
8.2 Mollusc shells 192