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The purpose of this investigation was to validate the accuracy and effectiveness of the temperature and thermal stress/strain calculation program currently being used by the Corps of Engineers by comparing analytical results with measured data obtained from embedded gages in Dworshak Dam. History of construction, weather data, and available material properties of Dworshak Dam were used for computer program input. Based on the results of this investgation, it can be concluded that the temperature and thermal stress calculation programs currently being used by the Corps are acceptable. Recommendations for further improvement of these computer programs are presented. (Author).
Methods of controlling mass concrete temperatures range from relatively simple to complex and from inexpensive too costly. Depending on a particular situation, it may be advantageous to use one or more methods over others. Based on the author’s 50 years of personal experience in designing mass concrete structures, Thermal Stresses and Temperature Control of Mass Concrete provides a clear and rigorous guide to selecting the right techniques to meet project-specific and financial needs. New techniques such as long time superficial thermal insulation, comprehensive temperature control, and MgO self-expansive concrete are introduced. Methods for calculating the temperature field and thermal stresses in dams, docks, tunnels, and concrete blocks and beams on elastic foundations Thermal stress computations that take into account the influences of all factors and simulate the process of construction Analytical methods for determining thermal and mechanical properties of concrete Formulas for determining water temperature in reservoirs and temperature loading of arched dams New numerical monitoring methods for mass and semi-mature aged concrete
Introduction Part 1 Mechanical Behavior of Materials at Elevated Temperatures Chapter 1 Strength of Concrete at Elevated Temperatures Chapter 2 Deformation of Concrete at Elevated Temperature Chapter 3 Temperature-Stress Paths and Coupling Constitutive Relation of Concrete Chapter 4 Mechanical Behavior and Constitutive Relation of Reinforcement at Elevated Temperatures Part 2 Temperature Field on Cross-Section of Structural Member Chapter 5 Temperature-Time Curve of Fire and Equation of Heat Conduction Chapter 6 Theoretical Analysis of Temperature Field Chapter 7 Calculation Charts for Temperature Field on Cross-Section Part 3 Mechanical Behavior of Members and Structures at Elevated Temperatures Chapter 8 Behavior of Flexural Members At Elevated Temperature Chapter 9 Behavior of Compressive Member At Elevated Temperatures Chapter 10 Behavior of Statically Indeterminate Structures At Elevated Temperatures Part 4 Theoretical Analysis and Practical Calculation Method Chapter 11 General Mechanical Characteristics of Inhomogeneous Section Chapter 12 Finite Element Analysis of Loading History for Structures Chapter 13 Practical Calculation Methods for Ultimate Strength of Member and Structure at Elevated Temperature Chapter 14 Fire Resistance Analysis and Damage Grade Evaluation of Structure.