Page 88 - Handbook of Thermal Analysis of Construction Materials
P. 88

71






                              3





                              Formation and


                              Hydration of Cement

                              and Cement Compounds

















                              1.0    INTRODUCTION


                                     An understanding of the complex physico-chemical phenomena
                              associated with the formation and behavior of cementitious compounds is
                              facilitated through the application of many different types of investigative
                              methods. Techniques such as NMR, XRD, neutron activation analysis,
                              atomic absorption spectroscopy, IR/UV spectroscopy, electron micros-
                              copy, surface area techniques, pore characterization, zeta potential, vis-
                              cometry, thermal analysis, etc., have been used with some success. Of the
                              thermal analysis techniques the Differential Thermal Analysis (DTA),
                              Thermogravimetric Analysis (TG), Differential Scanning Calorimetry
                              (DSC), and Conduction Calorimetric methods are more popularly used than
                              others. They are more adaptable, easier to use, and yield important results
                              in a short span of time. In this chapter the application of these techniques
                              will be highlighted and some of the work reported utilizing other related
                              methods will also be mentioned with typical examples.




                                                             71
   83   84   85   86   87   88   89   90   91   92   93