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Title External sulphate attack -- field aspects and lab tests : RILEM Final Workshop of TC 251-SRT (Madrid - SPAIN, 2018) / Esperanza Menéndez, Véronique Baroghel-Bouny, editors
Published Cham, Switerzland : Springer, [2020]

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Description 1 online resource (176 pages)
Series RILEM Bookseries Ser. ; v. 21
RILEM bookseries ; v. 21.
Contents Intro; Introduction for the Proceedings of TESA 2018; Contents; Contents; Contents; RILEM Proceedings (PRO); Field Aspects; Field Performance of Portland Limestone Cement Concretes Exposed to Cold-Temperature Sulphate Solutions; 1 Introduction; 2 Materials and Methods; 3 Results; 3.1 Laboratory Exposure; 3.2 Field Exposure; 3.3 Comparison of Laboratory and Field Exposure; 3.4 Laboratory Mortar Prisms; 4 Conclusions and Recommendations; References; Review of the Incidence of the Sulphate Attack in Spain. Evaluation of Field Concrete Cases; 1 Introduction
2 Typology of Structures Affected by Sulphate Attack2.1 Symptoms of Alteration; 3 Parameters That Lead the Appearance of the Sulphate Attack and Incidence in the Spanish Concrete by SA; 3.1 Characteristics of the Materials. Incidence in the Spanish Field Cases; 3.2 Environmental Condition of Exposition. Incidence in the Spanish Field Cases; 4 Type and Degree of Alteration; 5 Conclusions; References; Combination of Actions; Investigation on the Combined Interaction of Sulphate and Acidic Attack on Concretes Exposed to Aggressive Environments; 1 Introduction; 2 Experimental
2.1 Concrete Production Samples2.2 Acid Attack Procedures; 3 Results and Discussion; 3.1 Macro-structural Changes in Concrete in Sulphuric Acid Media (pH2); 3.2 Microstructural Changes in Concretes Under Acid Attack; 4 Conclusions; References; External Sulphate Attack on Recycled Concrete: Assessment of the Influence of Recycled Aggregate; 1 Introduction; 2 Experimental; 3 Results and Discussion; 4 Conclusions; References; Testing and Parameters of Testing; Influence of Temperature and Aggressive Solutions in the Formation of Thaumasite and Ettringite in Standard and Commercial Mortars
1 Introduction2 Materials for Testing; 2.1 Characterization of Components; 3 Conditions of Testing; 4 Experimental Results; 4.1 Visual Aspect; 4.2 Weight Variation; 4.3 Expansion; 4.4 Effect of the Temperature in the Expansion; 5 Conclusions; References; Influence of Thermal Preconditioning on the Mechanism of External Sulphate Attack; 1 Introduction; 2 Materials and Procedures; 2.1 Material and Sample Preparation; 2.2 Thermal Pre-conditioning; 2.3 External Sulphate Attack Testing Conditions; 3 Results; 3.1 Monitoring Measurements; 3.2 Calculated Indicators: Radius and Volume Variations
3.3 Microscopic Volume Variations4 Conclusion; References; Influence of Specimen Size on the Expansion of Portland Cement Mortars Immersed in Sodium Sulphate Solution; 1 Introduction; 1.1 Understanding the Influence of Specimen Size; 2 Materials and Methods Used in the Study; 3 Results and Discussion; 3.1 X-ray Tomography (XRT) Study; 3.2 Length Change; 4 Conclusion; References; New Approach for Testing SR Cements; 1 Introduction; 2 Experimental; 3 Results; 3.1 SVA Test Method; 3.2 Microstructural Analysis; 3.3 Comparison of the Test Variations; 3.4 Cements with Several Main Constituents
Summary This volume gathers contributions from the final workshop of the RILEM TC-251-SRT "Sulfate Resistance Testing" on External Sulfate Attack (TESA 2018), held on May 24-25, 2018 at IETcc-CSIC, Madrid, Spain. One of the Technical Committee's main events, it addressed various aspects of external sulfate attack in concrete structures and test methods. The workshop promoted technical discussions and debates on ideas on these topics, with a focus on evaluating the resistance of concrete exposed to ESA. It also provided a forum for participants from around the globe to share their experiences and research on concrete structures affected by external sulfate attack and on test methods. The book discusses the latest advances in research related to ESA and new developments in test methods, and features real-world case studies of concrete structures affected by external sulfate attack in various countries. It also presents new studies linking field cases and lab tests, including 12 contributions on 3 main themes: mechanisms of alteration in external sulfate attack; field aspects of external sulfate attack; and testing to evaluate the resistance of concrete to external sulfate attack
Notes 4 Discussion and Conclusions
Online resource; title from digital title page (viewed on April 09, 2020)
Subject Sulfate-resistant concrete.
Concrete construction.
Mechanics.
Mechanics
sulfate-resistant concrete.
mechanics (physics)
Concrete construction
Sulfate-resistant concrete
Genre/Form proceedings (reports)
Conference papers and proceedings
Conference papers and proceedings.
Actes de congrès.
Form Electronic book
Author Menéndez Méndez, Esperanza, editor.
Baroghel-Bouny, V. (Véronique), editor.
ISBN 9783030203313
303020331X