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This book describes procedures and methodologies used predominantly to obtain a diagnosis of damaged concrete possibly caused by Alkali-Aggregate Reaction (AAR). It has two primary objectives, namely firstly to identify the presence of AAR reaction, and whether or not the reaction is the primary or contributory cause of damage in the concrete; and secondly, to establish its intensity (severity) in various members of a structure. It includes aspects such as field inspection of the structure, sampling, petrographic examination of core samples, and supplementary tests and analyses on cores, such as mechanical tests and chemical analysis. Evaluation of test data for prognosis, consequences and appraisal will be more fully set out in AAR-6.2.

Alkali-aggregate reactions. --- Concrete -- Defects. --- Engineering. --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Civil Engineering --- Concrete --- Fracture mechanics. --- Deterioration. --- Deterioration of concrete --- Failure of solids --- Fracture of materials --- Fracture of solids --- Materials --- Mechanics, Fracture --- Solids --- Fracture --- Structural mechanics. --- Building repair. --- Buildings --- Structural materials. --- Building Repair and Maintenance. --- Structural Materials. --- Structural Mechanics. --- Repair and reconstruction. --- Deformations (Mechanics) --- Strength of materials --- Brittleness --- Penetration mechanics --- Structural failures --- Aggregates (Building materials) --- Chemical reactions --- Fatigue --- Chemistry --- Defects --- Building construction. --- Materials. --- Mechanics. --- Mechanics, Applied. --- Solid Mechanics. --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Buildings—Repair and reconstruction. --- Architectural materials --- Architecture --- Building --- Building supplies --- Construction materials --- Structural materials --- Building reconstruction --- Building renovation --- Building repair --- Reconstruction of buildings --- Remodeling of buildings --- Renovation of buildings --- Maintenance --- Repairing --- Reconstruction --- Remodeling --- Renovation --- Protection --- Conservation and restoration

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Self-healing materials are man-made materials which have the built-in capability to repair damage. Failure in materials is often caused by the occurrence of small microcracks throughout the material. In self-healing materials phenomena are triggered to counteract these microcracks. These processes are ideally triggered by the occurrence of damage itself. Thus far, the self-healing capacity of cement-based materials has been considered as something "extra". This could be called passive self-healing, since it was not a designed feature of the material, but an inherent property of it. Centuries-old buildings have been said to have survived these centuries because of the inherent self-healing capacity of the binders used for cementing building blocks together. In this State-of-the-Art Report a closer look is taken at self-healing phenomena in cement-based materials. It is shown what options are available to design for this effect rather than have it occur as a "coincidental extra".

Fluid mechanics --- Materials sciences --- Applied physical engineering --- Civil engineering. Building industry --- cement --- materialen (technologie) --- ingenieurswetenschappen --- mechanica