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xiv 1.1 Significance of development of rubberized concrete 1 1.1.1 Environmental – friendly rubber recycling into concrete 1 1.1.2 Rubberized concrete properties without surface treatment 1 1.2 The surface treatment methods for rubber particles 2 1.3 Rubberized ordinary concrete 3 1.3.1 Mechanical properties of rubberized concrete 3 1.3.2 Transport properties 4 1.3.3 Durability of rubberized concrete 5 1.3.3.1 Shrinkage 5 1.3.3.2 Chemical attacks 6 iv 1.4 Rubberized Fiberreinforced concrete 6 1.4.1 Development of fiber – reinforced concrete 6 1.4.2 The use of PVA – fiber into engineered cementitious composite 7 1.4.3 Flexural behavior of rubberized fiber – reinforced concrete 7 1.5 The development of rubberized self – compacting concrete (SCC) 9 1.6 Research Objective 10 2.1 Research significance13 2.2 Production of samples 13 2.2.1 Material properties and gradation of aggregates 13 2.2.2 Surface treatment of scrap rubber particles and PVA-fiber 15 2.2.2.1 Pre-treatment of rubber particles 15 2.2.2.2 Oil-coating of PVA-fiber 16 2.2.3 Mixture design 17 2.3 PVA-fiber reinforced rubberized concrete properties 19 2.3.1 Fresh concrete properties 19 2.3.2 Compressive strength 20 v 2.3.3 Flexural behavior of PVA-fiber reinforced rubberized concrete 22 2.3.3.1 Flexural strength 23 2.3.3.2 Post-crack behavior 27 2.3.4 Transport properties of rubber concrete 30 2.3.5 Measurement of Ultrasonic transmission speed 32 2.4 Durability of PVA-fiber reinforced rubberized concrete 35 2.4.1 Mixture design and sample preparation of mortar bars 37 2.4.1.1 Selection of aggregate 37 2.4.1.2 Mixture proportion of each group 38 2.4.1.3 Sample preparation of mortar bars 39 2.4.2 ASR expansion test results40 2.4.3 Shrinkage test results 42 2.4 Conclusion 44 3.1 Mixture design 47 3.1.1 Mixture design of RSCC 47 3.1.2 Mixture design of RSCM 48 vi 3.2 Samples preparation 49 3.2.1 Mixing procedure 49 3.2.2 Casting of specimens 50 3.3 Experimental operation 50 3.3.1 Fresh concrete tests 50 3.3.3.1 Mini Slump-flow and slump-flow test 51 3.3.3.2 Mini V-funnel and V-funnel test51 3.3.3.1 U-box test 52 3.3.2 Hardened concrete tests 52 3.3.2.1 Compressive strength test 52 3.3.2.2 Splitting tensile strength test 53 3.3.2.3 Electrical resistivity test 53 3.3.2.4 Ultrasonic transmission speed measurement 54 3.3.2.5 ASR expansion test 54 3.3.2.6 Drying shrinkage test 55 3.4 Test results and discussion 55 vii 3.4.1 Fresh-stage properties 55 3.4.1.1 Fresh properties of RSCM 55 3.4.1.2 Fresh properties of RSCC 56 3.4.2 Mechanical properties 59 3.4.2.1 Compressive strength 59 3.4.2.2 Indirect tensile strength 61 3.4.2.3 Transport properties (Electrical resistivity) 63 3.4.3 Durability performance 65 3.4.3.1 ASR expansion test 65 3.4.3.2 Drying Shrinkage 67 3.5 Conclusion 69 4.

POLYVINYL ALCOHOL (PVA) FIBER-REINFORCED RUBBER CONCRETE AND RUBBERIZED SELF-COMPACTING CONCRETE