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Provides a general account of the factors which cause decay of building stones and a summary of the best methods to reduce the incidence of decay. It discusses weathering associated with natural defects inherent in stone and examines issues of weathering caused by bad workmanship or errors in the selection of material. Decay through chemical and natural physical phenomena are discussed in detail. The final sections offer useful advice on how to prevent long term decay through appropriate repair, replacement and cleaning of stone.
In this volume scientists from different disciplines present their experience and their scientific work in progress. These concern the properties of a series of stones that have been used for the erection of some of the most important stone monuments of international cultural heritage and are also used today for substitution of missing parts or completion of damaged ones. It deals with the subject globally and contains unpublished research results.
The readers of the first two editions of Stone: Properties, Durabi lity in Man's Environment, were mostly architects, restoration architects of buildings and monuments in natural stone, profes sionals who sought basic technical information for non-geologists. The increasing awareness of rapidly decaying monuments and their rescue from loss to future generations have urged this writer to update the 1973 and 1975 editions, now unavailable and out of print. Due to the 20-year-Iong interval, extensive updating was necessary to produce this new book. The present edition concentrates on the natural material stone, as building stone, dimension stone, architectural stone, and decorative field stones. Recently, the use of stone for thin curtain walls on buildings has become fashionable. The thin slabs exposed to anew, unknown complexity of stresses, resulting in bowing of crystalline marble, has attracted much negative pUblicity. The costs of replacing white slabs of marble on entire buildings with its legal implications have led construction com panies into bankruptcy. We blame many environmental problems on acid rain. Does acid rain really accelerate stone decay that much? Stone preservation is being attempted with an ever-increasing number of chemicals applied by as many specialists to save crumbling stone. Chemists filled this need during a time of temporary job scarcity, while the general geologist missed this opportunity; he was too deeply involved in the search for fossil fuels and metals.
Stone buildings and monuments form the cultural centres of many of the world's urban areas. Frequently these areas are prone to high levels of atmospheric pollution that promote a variety of aggressive stone decay processes. Because of this, stone decay is now widely recognised as a severe threat to much of our cultural heritage. An interdisciplinary approach between geologists, environmental scientists, chemists, material scientists, civil engineers, restorers and architects aims to strengthen the knowledge base dealing with the causes, consequences, prevention and solution of stone decay problems.
In this volume scientists from different disciplines present their experience and their scientific work in progress. These concern the properties of a series of stones that have been used for the erection of some of the most important stone monuments of international cultural heritage and are also used today for substitution of missing parts or completion of damaged ones. It deals with the subject globally and contains unpublished research results.
Drawn from a January 2000 symposium held in New Orleans, the 13 papers in this collection discuss characterization of materials that have been subjected to exposure tests; advances and new developments in outdoor, indoor and laboratory accelerated tests; and service life prediction. Topics include t
As one of the most widely accessible building materials available to man, natural stone has been in extensive use for many centuries. It is a significant component, andin places the only one, of man-made structures the world over, and its properties, applications, and behavior over long periods of time constitute a story that is almost unbelievably complex. Important elements of the story are described and interrelated in this volume. That the exposed parts of the earth's crust provide a considerable variety of rock types is evident to any thoughtful observer. To the geologist falls the task of characterizing and explaining this variety, but many other kinds of specialists who are involved in the commercial use of stone also have an essential stake in the matter. From quarryman to mason, from architect to structural engineer, and certainly from purchaser to future observer, there is compelling interest in the nature, appearance, and durability of one stone as compared with another, or of stone as compared with some other material. Small wonder, then, that much has been written on the subject, and that numerous aspects of commercial stone and its properlies have appealed to a host of investigators. Research in this area also has been an official concern of many organizations, which in the United States include the American Society for Testing and Materials, the National Bureau of Standards, the U. S. Bureau of Mines, the U. S. Geological Survey, and several state agencies.