Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020): Volume 4: Shift to a Circular Economy (RILEM Bookseries, 35)

Committee
	Executive Chair
	Vice-chair
	Honorary Chair
	Topic 4: Shift to a Circular Economy
Preface
Contents
RILEM Publications
	RILEM Proceedings (PRO)
	RILEM REPORTS (REP)
Circular CO2 Utilization Strategies for More Sustainable Concrete
	1 Introduction
	2 CO2 Utilization Approaches
		2.1 Addition to Ready Mix Concrete
		2.2 Treatment of Concrete Wash Water for Recycling
		2.3 Treatment of Recycled Concrete Aggregate
		2.4 Source of CO2
	3 Environmental Benefits
		3.1 Ready Mixed Concrete
		3.2 Washwater
		3.3 Carbonated Recycled Concrete Aggregate
		3.4 Overall Carbon Dioxide Benefit
		3.5 Net Environmental Benefit
	4 Conclusions
	References
Use of Waste Calcium Carbonate in Sustainable Cement
	1 Introduction
	2 Waste Marble Properties
	3 Blended Cements
	4 Alkali-Activated GGBFS
	5 Alkali-Activated Calcined Clays
	6 Conclusions
	References
Classification of Recycled Aggregates Using Deep Learning
	1 Introduction
	2 Methods and Materials
		2.1 Tested Architectures of Convolutional Neural Networks
		2.2 Creation of the Labelled Database
		2.3 Form Factor-Density Constants of the Aggregates
	3 Results and Discussion
		3.1 Classification of Images of Recycled Aggregates
		3.2 Form Factor-Density Constants
		3.3 Automatic Extraction of the Grains
	4 Conclusion and Future Work
	References
Performance and Ageing Evaluation of Bituminous Mixtures with High RAP Content
	1 Introduction
	2 Methodology
		2.1 Materials
		2.2 Testing Methods
		2.3 Bituminous Mixture Production and Ageing
	3 Results and Discussion
	4 Conclusions
	References
Strength and Microstructure Development of Fly Ash Geopolymer Binders Using Waste Glass Powder
	1 Introduction
	2 Materials and Methods
		2.1 Materials
		2.2 Preparation of the Testing Samples
	3 Results and Discussion
		3.1 Compressive Strength
		3.2 Microstructural Investigation
	4 Conclusions
	References
The Influence of Polymers Impregnation on Bending Behaviour of Phyllostachys pubescens (Mosso) Bamboo
	1 Introduction
	2 Materials and Methods
		2.1 Bamboo Material
		2.2 Impregnants
		2.3 Impregnation Process by Immersion
		2.4 Bending Tests
	3 Results and Discussion
		3.1 Physical Tests
		3.2 Flexural Tests
	4 Conclusions
	References
Recovering of Clinker Minerals from Hydrated Portland Cement Paste
	1 Introduction
	2 Materials and Test Methods
		2.1 Materials
		2.2 Methods
	3 Results
	4 Conclusions
	References
Recycling of Slightly Contaminated Demolition Waste—Part 2: PAH
	1 Introduction
		1.1 PAH in CDW
		1.2 Use of CDW Containing PAH as a Concrete Aggregate
	2 Materials and Methods
		2.1 Leaching Tests
		2.2 Recycled Aggregates
		2.3 Investigated Concrete Mixtures
	3 Results and Discussion
		3.1 Cumulative Release
		3.2 Influencing Factors
	4 Summary and Outlook
	References
Recycling of Slightly Contaminated Demolition Waste—Part 1: Inorganic Constituents
	1 Introduction
	2 Leaching Tests
		2.1 Preliminary Note
		2.2 Batch Test: Shake Bottle Test
		2.3 Dynamic Surface Leaching Test
	3 Materials
		3.1 CDW Samples
		3.2 R-concrete
		3.3 Doped Concrete
	4 Results of the DSLT
		4.1 Leaching of the R-concrete
		4.2 Leaching of the Doped Concrete
	5 Summary and Conclusion
	References
Processed Municipal Solid Waste Incineration Ashes as Sustainable Binder for Concrete Products
	1 Introduction
	2 Materials and Methods
		2.1 Mechanical Properties
		2.2 Durability Properties
	3 Results and Discussions
	4 Conclusions
	References
Autogenous Shrinkage in Structural Concrete Made with Recycled Concrete Aggregates
	1 Introduction
	2 Materials and Methods
		2.1 Materials
		2.2 Mixture Proportioning
		2.3 Mixing Procedure
		2.4 Test Methods
	3 Results and Analysis
		3.1 Workability and Physical Properties of RAC
		3.2 Mechanical Behavior of RAC
		3.3 Autogenous Shrinkage of RAC
	4 Conclusion
	References
Circular Economic Modelling—Barriers and Challenges Throughout the Value Circle
	1 Background
		1.1 Construction Sector
		1.2 On-going Research in Circularity Related to Developing Green Cements
		1.3 The Aim of This Paper
		1.4 Approach
	2 Results Related to Circular Economic Modelling
		2.1 The Business Case at Each Step of the Value Circle
		2.2 Main Hindrances for Turning Circular
		2.3 Availability of Secondary Raw Materials (SRM)
	3 Conclusions
		3.1 Future Research
	References
Development of Sustainable Perspective of Carbon Fibers Recycling and Reusing for Construction Materials
	1 Introduction
	2 Materials and Methods
		2.1 Carbon Fibers
		2.2 Recycling Process
		2.3 Dimensional Distribution
		2.4 Fiber Reinforced Mortar Sample
		2.5 Mechanical Properties Optimization
	3 Life Cycle Assessment
		3.1 Goal and Scope Definition
		3.2 Life Cycle Impact Assessment—LCIA
	4 Results and Discussion
	5 Conclusions
	References
Optimization of Alkali-Activated Mineral Wool Mixture for Panel Production
	1 Introduction
	2 Experimental Part
	3 Results and Discussion
		3.1 Chemical and Mineralogical Analysis
		3.2 Microstructural Analysis
		3.3 Mechanical Analysis
	4 Conclusions
	References
Suitability of Different Stabilizing Agents in Alkali-Activated Fly-Ash Based Foams
	1 Introduction
	2 Experimental
		2.1 Materials and AAFs Preparation
		2.2 Characterization Methods and Instruments
	3 Results and Discussion
	4 Conclusions
	References
Influence of Specific SCM on Microstructure and Early Strength of Sustainable Cement Blends
	1 Introduction
	2 Materials and Mix Design
		2.1 Sample Preparation
		2.2 Testing and Evaluation Methods
	3 Results and Discussion
		3.1 Microstructure Assessment
		3.2 Air-Permeabilty Assessment
		3.3 Compressive Strength Development
	4 Conclusions
	References
Affecting Factors in Rehabilitating Water Distribution Networks
	1 Introduction
	2 Background
		2.1 Causes of Non-revenue Water
		2.2 Strategies for Reducing Non-revenue Water
		2.3 Positioning of This Study
	3 Methodology
		3.1 Data Collection
		3.2 Data Analysis
	4 Results and Discussion
		4.1 Internal Factors
		4.2 External Factors
	5 Conclusion
	References
Success Factors for Construction Waste Recycling in Developing Countries: A Project Management Perspective
	1 Introduction
	2 Background
		2.1 Construction Waste Recycling
		2.2 Construction Waste Recycling in Malaysia
		2.3 Positioning This Study
	3 Methodology
		3.1 Data Collection
		3.2 Data Analysis
	4 Results and Discussion
		4.1 People-Related Success Factors
		4.2 Process Related Success Factors
		4.3 Comparison with Other Developing Countries
		4.4 Limitations
	5 Conclusion
	References
A Proposed Methodology of Life Cycle Assessment for Hot Water Building Systems
	1 Introduction
	2 A Literature Review of LCA Methodology
	3 Proposed LCA Methodology for HWBS
	4 Results and Discussion
	5 Conclusions
	References
Screening Regionally Available Natural Resources and Waste Streams as Potential Supplementary Cementitious Material
	1 Introduction
	2 Materials and Methodology
		2.1 Material Characterisation
		2.2 The R3 Test
		2.3 Mortar Strength Test
	3 Conclusion and Further Research
	References
Thermal Performance of Compressed Blocks Made from Construction and Polyurethane Foam Waste
	1 Introduction
	2 Materials and Methods
		2.1 Materials Characterization
		2.2 Compressed Waste Blocks Production
		2.3 Thermal Performance Assessment
	3 Results and Discussion
	4 Conclusions
	References
A Short Review of Researches on Mechanical Properties of Traditional Chinese Timber Joints: From Experimental Aspect
	1 Introduction
	2 Test Model Aspect
		2.1 Wood Material
		2.2 Model Dimensions
	3 Loading and Measuring System Aspect
	4 Results Analysis Aspect
		4.1 Documentation of Test Results
		4.2 Result Analysis
	5 Proposals for Future Development
	References
The Effect of Recycled Fine Aggregate Sourced from Construction and Demolition Waste on the Properties of Epoxy Resin Coatings
	1 Introduction
	2 Materials and Methods
		2.1 Concrete Substrate
		2.2 Epoxy Resin Coating
		2.3 Aggregate
		2.4 Pull-off Strength Test
	3 Results
	4 Conclusions
	References
Performance Evaluation of Warm Recycled Surface Mixtures with Steel Slag
	1 Introduction
	2 Experimental Program
		2.1 Description
		2.2 Materials
		2.3 Mix Design and Specimen Preparation
		2.4 Testing Procedures
	3 Results and Discussion
		3.1 Compactability
		3.2 Raveling Resistance
		3.3 Stiffness Modulus
		3.4 Assessment of Degree of Blending
	4 Conclusions
	References
Sustainable Polyurethane Plasterboard for Construction
	1 Introduction
	2 Experimental Process
		2.1 Raw Materials
		2.2 Justification of the Dosage Used
		2.3 Fabrication Process
		2.4 Gypsum Plasterboard Characterization
	3 Results
		3.1 Bulk Density
		3.2 Maximum Breaking Load Under Flexion Stress
		3.3 Total Water Absorption
		3.4 Surface Hardness
		3.5 Thermal Performance
		3.6 Non-combustibility
	4 Conclusions
	References
Treated Municipal Solid Waste (Biomass) Based Concrete Properties—Part II: Experimental Program
	1 Research Objectives
	2 Experimental Programs
		2.1 Methodology
		2.2 Materials
		2.3 Procedures
	3 Results and Analysis
		3.1 Compressive Strength
		3.2 Flexural Strength
	4 Discussions
		4.1 Characteristics of Biomass
		4.2 Lower Density and Strength for BM5
		4.3 Comparison Between BM10 and BM15
		4.4 Recommendation on Future Research
	5 Conclusion
	References
Treated Municipal Solid Waste (Biomass) Based Concrete Properties—Part I: State of the Art
	1 Introduction
		1.1 Technology of Waste Treatment
		1.2 Pollution by Construction Material Production and Green Alternatives
		1.3 Research Objectives
	2 State of the Art
		2.1 Utilization of Organic Biomass Ashes in Australian Construction Industry
		2.2 Organic Biomass Ash from ART
	3 Previously Investigated Materials
		3.1 Characteristics of Biomass Concrete
		3.2 Factors Affecting Concrete Strength
	4 Conclusions
	References
Recovery of Phosphorous from Sewage Sludge Ash Prior to Utilization as Secondary Resource in Concrete and Bricks
	1 Introduction
		1.1 Electrodialytic Separation for Recovery of Phosphorous
	2 Materials and Methods
		2.1 Ash Characterization
		2.2 Electrodialytic Separation Experiments
	3 Results
		3.1 Characterization of SSAs
		3.2 Recovery of Phosphorous and Separation of Heavy Metals by EDS
		3.3 Characterization of SSA-EDSs
	4 Discussion
	5 Conclusion
	References