Book Description

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The first industrial process for the production of a cement based on calcium aluminates was patented in 1908 and since then these cements have become hugely important for a wide range of applications. This volume presents the proceedings of the international conference held in Avignon, France, in May 2014, close to the site of the invention.The papers come from Europe, North America, the Far East, the Middle East and South Africa and demonstrate a strong continuing interest, and real progression, in the knowledge and understanding of this important class of cement, demonstrating that CAs are well placed to continue extending their field of applications for, hopefully, the next hundred years. New developments and applications covered in the 60 papers include offshore applications, encapsulation, wastewater treatment, self-levelling flooring, refractory applications and biogenics. Various studies also demonstrate the increasing importance of CAs in formulations, with much interest in blended systems, and especially the ternary system with calcium sulfate and Portland cement. In addition, strong contributions relate to the phase systems, CA types, hydration, mechanical properties and durability.

Format 234 x 156mm, 676pp, Hardback 

Contents:

PART ONE – INTRODUCTION
1 Environmental footprint of Calcium Aluminate Cements (CAC)
2 Quantitative and qualitative analysis of CAC and its hydrate products

PART TWO – CALCIUM ALUMINATES AND THEIR HYDRATION
3 Mineral composition and hydration of a C₁₂A₇ rich binder
4 Ultra fast hydration opening new application fields: a comparison of different calcium aluminate technologies
5 Kinetics of CA and CA₂ dissolution determined by QXRD and corresponding enthalpies of reactions
6 Application of heat flow calculation to synthetic calcium aluminate cement mixes
7 Crystal structures and XRD data of new calcium aluminate cement hydrates

PART THREE – RELATED PHASES AND THEIR STRUCTURES
8 Synthesis and crystal chemistry of strontium aluminates
9 Mono- (strontium-, calcium-) aluminate based cements
10 Synthesis and crystal chemistry of manganese containing perovskites: phases with perovskite structures
11 Hydraulic phases in the system BaO-Al₂O₃
12 Hydration and properties of calcium magnesium aluminate cement
13 Investigations on the hydratable compounds in the CaO-Al₂O₃-ZrO₂ system

 PART FOUR – BLENDED CEMENT SYSTEMS
14 Thermodynamic modelling of effect of time and silica on the conversion process
15 Hydration study of a calcium aluminate cement blended with anhydrite
16 Impact of different calcium sulfate sources on the early hydration of two different
grades of calcium aluminate cement
17 Hydration of calcium aluminate cement based systems with calcium sulfate and limestone
18 Impact of calcium sulfate type on hydration and properties of ettringite systems
19 Parametric study of binary and ternary ettringite-based systems
20 Course of hydration of ferrite phase in a ternary binder model mix
21 Hydration and microstructure of rapid-strength binders based on OPC accelerated
by early ettringite formation
22 Long-term hydration and mechanical behaviour of Portland cement, calcium aluminate cement and calcium sulfate blends

PART FIVE – VOLUME STABILITY
23 Ultra high early strength shotcrete: new binder composition approach
24 Effect of temperature on length change of cementitious material using Portland cement – calcium aluminate cement - anhydrite - blast furnace slag system
25 Volume stability of CAC-CaSO₄-CaCO₃-H₂O systems during drying
26 Expansion mechanisms in ettringite systems
27 Volume stability of calcium aluminate cement and calcium sulfoaluminate cement systems

PART SIX – ADMIXTURES
28 Rheology of calcium aluminate cement based concrete: controlling the “pot life”
29 A new setting accelerator upon lithium sulfate technology for
calcium aluminates based materials
30 Polycarboxylate ether based superplasticiser for calcium aluminate cement mortars
31 Effect of PCE admixtures on fluidity, hydration and microstructure of
calcium aluminate cement pastes
32 Formation of organo-mineral phases in calcium aluminate cement involving polycarboxylate superplasticizers
33 The influence of mineralogical composition of high alumina cement on its physical - mechanical properties
34 Action mechanism of admixtures in ettringite systems
35 Latex-modified calcium aluminate cement
36 Alkaline earth glycolates and their application as CAC admixtures 

PART SEVEN – AGEING OF FORMULATIONS
37 Ageing behaviour of SLU mortar formulations based on a ternary binder system comprising OPC/CAC/AH exposed to elevated moisture and atmospheric CO₂
38 Ageing of cement and drymix: consequences and solutions

PART EIGHT – CALCIUM ALUMINATE CEMENTS IN REFRACTORY APPLICATIONS
39 Testing of calcium aluminate cement bonded castables and influence of curing conditions on the strength development
40 Mixing optimization of an alumina based LC-castable by applying variable power inputs

PART NINE – CALCIUM ALUMINATE CEMENTS IN WIDE RANGING APPLICATIONS
41 Influence of sulfate on physical properties of quick-hardening cement compounds
42 Push-out bond strength of new calcium aluminate cement (endobinder)
43 The use of calcium aluminate cement in terrazzo type floor tiles
44 Durability of rapid-strength concrete produced with ettringite-based binders
45 Calcium aluminate cement application in lime binders proposed for architecture restoration

PART TEN – DURABILITY
46 Development of an accelerated test of fungal biodeterioration: application to calcium aluminate cements
47 Influence of the chemical composition of mortars on algal biofouling
48 Mineralogy of a 90 years old structure “le tunnel des Valois”
49 10 year exposure of Ciment Fondu mortars in a marine environment
50 The performance of CAC concrete in an aggressive marine environment

PART ELEVEN – DURABILITY IN BIOGENIC APPLICATIONS
51 Performance of various concretes in the Virginia experimental sewer over 20 years
52 The impact of calcium aluminate cement and aggregates on conversion and on field performance in sewers 
53 The influence of water/powder ratio on the resistance to sulfuric acid on hardened calcium aluminate cement containing blast furnace slag
54 Acid resistance of calcium aluminate cement concrete blended with supplementary cementitious materials for application in sewer pipes
55 A new method for evaluation of cement-based material resistance against biogenic attacks in sewer-like environments: comparison between CAC and BFSC linings
56 Biogenic corrosion mechanism: study of parameters explaining calcium aluminate cement durability
57 Development of a reproducible, representative and accelerated biogenic corrosion test to deliver durable structures in sewer networks

Author Index 

Subject Index