目錄
Preface
1 Introduction
1.1 Background
1.2 State-of-art of geopolymer materials
1.2.1 Preparation of clay-based geopolymer materials
1.2.2 Improvement of geopolymer properties
1.2.3 Application of clay-based geopolymer
2 Preparation of geopolymer paste material
2.1 Experimental and methods
2.2 Determination of optimum mix proportions of geopolymer
2.3 Water stability of the geopolymer
2.4 Microscopic pore structure characteristics of geopolymer
2.5 Conclusions
3 Preparation of fiber reinforced geopolymer composites
3.1 High-ductile engineered geopolymer composites
3.1.1 Experimental and methods
3.1.2 Workability
3.1.3 Uniaxial tensile and flexural performance
3.1.4 Cracking characteristic after failure
3.1.5 Conclusions
3.2 Hydrophobicity-modified geopolymer composites
3.2.1 Experimental and methods
3.2.2 Surface wettability
3.2.3 ATR-FTIR analysis
3.2.4 Water absorption properties
3.2.5 Uniaxial compressive and tensile properties
3.2.6 Conclusions
3.3 Freezing-thawing cycle resistance of geopolymer composites
3.3.1 Experimental and methods
3.3.2 Relative dynamic elastic modulus after F-T cycles
3.3.3 Mechanical properties after F-T cycles
3.3.4 Damage evaluation prediction and verification
3.3.5 Conclusions
3.4 Improvement of F-T resistance by adding slag
3.4.1 Experimental and methods
3.4.2 Pore structure analysis
3.4.3 Variation in physical properties after freeze-thaw cycles
3.4.4 Mechanical properties deterioration analysis after freeze-thaw cycles
3.4.5 Conclusions
3.5 Improvement of F-T resistance by Hydrophobicity-modified
3.5.1 Materials and experimental protocols
3.5.2 Spatial damage variation after F-T cycles
3.5.3 Damage distributions characteristics after F-T cycles
3.5.4 Spatial gradient characteristics of damage after F-T cycles
3.5.5 Conclusions
4 Preparation of lightweight geopolymer material
4.1 Lightweight aggregate geopolymer concrete with shale ceramsite
4.1.1 Experimental and methods
4.1.2 Stress-strain curve and failure mode of LAGC
4.1.3 The effect of sand ratio
4.1.4 The effect of aggregate content
4.1.5 Optimal design of concrete mix proportions
4.1.6 Conclusions
4.2 Optimization of lightweight geopolymer concrete using GGBFS
4.2.1 Materials and methods
4.2.2 The longitudinal wave velocity and dry density
4.2.3 The pore structure characteristics of LGC with different GGBFS content
4.2.4 Uniaxial compression performance and failure mode
4.2.5 Conclusions
5 Application of artificial geopolymer sand
5.1 Static mechanical properties
5.1.1 Experimental and method
5.1.2 Variation in density, P-wave velocity
5.1.3 Pore size distribution properties
5.1.4 Mechanical properties
5.1.5 Conclusions
5.2 Dynamic mechanical properties
5.2.1 Materials and methods
5.2.2 Dynamic peak stress and dynamic elastic modulus
5.2.3 Effect of strain rate
5.2.4 Effect of AGS replacement and strain rate
5.2.5 Specific energy absorption and failure mode
5.2.6 Conclusions
6 Application of geopolymer repair materials
6.1 Bonding strength of geopolymer-concrete composites
6.1.1 Materials and methods
6.1.2 Splitting tensile properties and failure mode of geopolymer
6.1.3 Effects of slag and alkaline solution contents on splitting tensile strength
6.1.4 Compressive strength test of geopolymer concrete
6.1.5 Conclusions
6.2 Dynamic splitting tensile behavior of geopolymer repair materials
6.2.1 Materials and methods
6.2.2 Comparison of quasi-static and dynamic splitting tensile properties
6.2.3 Dynamic splitting tensile behavior of GCC
6.2.4 Failure pattern and dissipated energy of GCC
6.2.5 Conclusions
7 Application of machine learning in geopolymer
7.1 Mechanical properties prediction by image processing technology
7.1.1 Establishment of mesoscopic structure model
7.1.2 Validation of the accuracy of mesoscopic parameters
7.1.3 Prediction model by combining IPT and numerical simulation
7.1.4 Conclusions
7.2 Mechanical properties prediction by BP neural network
7.2.1 Experimental and methods
7.2.2 Mechanical properties of geopolymer concrete
7.2.3 Construction of the prediction mo
[