Page 15 - New Trends in Eco efficient and Recycled Concrete

xiv Contents

17.3 Influence of sulphur on recycled concrete production 502
17.3.1 Flexural and compressive strength 502
17.3.2 Durability 503
17.4 Conclusions 506
References 506
18 Legal regulations of recycled aggregate concrete in buildings
and roads 509
Jorge de Brito, Francisco Agrela and Rui Vasco Silva
18.1 Introduction 509
18.2 Overview of existing normative documents: RA classification
and requirements 510
18.2.1 Recycled aggregate concrete in buildings 510
18.2.2 Recycled aggregate concrete in road pavement
construction 513
18.3 Field of application of recycled aggregate concrete in buildings 518
18.3.1 Brazil 518
18.3.2 China 518
18.3.3 Germany 518
18.3.4 Japan 518
18.3.5 Korea 519
18.3.6 RILEM 519
18.3.7 The Netherlands 519
18.3.8 Portugal 520
18.3.9 United Kingdom 520
18.4 Field of application of recycled aggregate concrete in road
pavement construction 521
18.5 Concluding remarks and proposals for the future 521
References 524
Further reading 526
19 Helping structural designers to use recycled aggregate concrete 527
Rui Vasco Silva and Jorge de Brito
19.1 Introduction 527
19.2 Characterisation of recycled aggregates 528
19.3 Properties of recycled aggregate concrete and design
implications 528
19.3.1 Compressive strength 528
19.3.2 Tensile strength 530
19.3.3 Modulus of elasticity 530
19.3.4 Creep 531
19.3.5 Carbonation and chloride ion penetration 531
19.4 Description of the structural elements 532
19.5 Design of recycled aggregate concrete elements 534