Page 8 - Handbook of Thermal Analysis of Construction Materials

Contents xix

9 Introduction to Non-Portland Cement
Binders and Concrete ......................................................... 355
1.0 INTRODUCTION .......................................................................... 355
2.0 MAGNESIUM OXYCHLORIDE CEMENT ................................ 356
2.1 Description ......................................................................... 356
2.2 Hydration Reactions........................................................... 356
2.3 Microstructure Development ............................................. 357
2.4 Strength Development........................................................ 357
2.5 Resistance To Water .......................................................... 360
3.0 MAGNESIUM OXYSULFATE CEMENT ................................... 360
3.1 Hydration ........................................................................... 360
3.2 Strength Development........................................................ 361
4.0 CALCIUM ALUMINATE CEMENTS ......................................... 362
4.1 Description ......................................................................... 362
4.2 Hydration ........................................................................... 363
4.3 Strength Development........................................................ 365
4.4 Strength and the Conversion Reaction ............................... 365
4.5 Inhibition of C3AH6 Formation ........................................ 366
4.6 Durability ........................................................................... 367
4.7 Chemical Admixtures......................................................... 367
4.8 Refractory Applications ..................................................... 369
5.0 PORTLAND CEMENT–CALCIUM ALUMINATE
CEMENT BLENDS ....................................................................... 370
5.1 Introduction ........................................................................ 370
5.2 Hydration ........................................................................... 370
5.3 Setting Behavior and Ettringite Nucleation ....................... 372
5.4 Early Strength Development .............................................. 373
5.5 CAC-Based Expansive Cement Reactions......................... 375
5.6 Chemical Admixtures......................................................... 378
6.0 PHOSPHATE CEMENT SYSTEMS ............................................ 379
6.1 Description ......................................................................... 379
7.0 MAGNESIA PHOSPHATE CEMENT BINDERS ....................... 381
7.1 Mechanical Properties........................................................ 381
7.2 Additives ............................................................................ 385
7.3 Calcium Phosphate-Based Materials ................................. 386
7.4 Lime Silico-Phosphate Cement .......................................... 387
8.0 REGULATED-SET CEMENT ...................................................... 388
8.1 Description ......................................................................... 388
8.2 Paste and Mortar Hydration ............................................... 388
9.0 MECHANICAL PROPERTIES AND DURABILITY OF
JET SET-BASED CEMENT SYSTEMS....................................... 392
9.1 Strength, Microhardness, and Modulus of Elasticity ......... 392
9.2 Durability ........................................................................... 395
9.3 Gypsum .............................................................................. 395
REFERENCES ......................................................................................... 397