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An important new report from the RILEM Technical Committee 119.
This book presents models and methods to determine thermal stresses
and cracking risks in concrete. The possible influences on and
causes of thermal cracking of concrete are discussed and cases of
practical measures for avoiding cracking are detailed.
Restraint and intrinsic stresses in concrete at early ages are
vitally important for concrete structures which must remain free of
water-permeable cracks, such as water-retaining structures, tunnel
linings, locks and dams. The development of hydration heat,
stiffness and strength, also the degree of restraint and,
especially for high-strength concrete, non-thermal effects, are
decisive for sensitivity to cracking. Determining thses stresses in
the laboratory and in construction components has led to a clearer
understanding of how they develop and how to optimize mix design,
temperature and curing conditions. New testing equipment has
enabled the effects of all the important parameters to be qualified
and more reliable models for predictiong restraint stresses to be
developed. Thermal Cracking in Conrete at Early Ages contains 56
contributions by leading international specialists presented at the
RILEM Symposium held in October 1994 at the Technical University of
Munich. It will be valuable for construction and site engineers,
concrete technologists and scientists.
Restraint and intrinsic stresses in concrete at early ages are
vitally important for concrete structures which must remain free of
water-permeable cracks, such as water-retaining structures, tunnel
linings, locks and dams. The development of hydration heat,
stiffness and strength, also the degree of restraint and,
especially for high-strength concrete, non-thermal effects, are
decisive for sensitivity to cracking. Determining thses stresses in
the laboratory and in construction components has led to a clearer
understanding of how they develop and how to optimize mix design,
temperature and curing conditions. New testing equipment has
enabled the effects of all the important parameters to be qualified
and more reliable models for predictiong restraint stresses to be
developed.
Thermal Cracking in Conrete at Early Ages contains 56 contributions
by leading international specialists presented at the RILEM
Symposium held in October 1994 at the Technical University of
Munich. It will be valuable for construction and site engineers,
concrete technologists and scientists.
A report from the RILEM Technical Committee 119. This text presents
models and methods to determine thermal stresses and cracking risks
in concrete. Possible influences on and causes of thermal cracking
of concrete are discussed and cases of practical measures for
avoiding cracking are detailed. The book should be of interest to
concrete technologists; researchers on concrete structures and
technology; prime building contractors and building authorities.
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