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207.1R-05
Mass concrete is any volume of concrete with dimensions large enough to require that measures be taken to cope with the generation of heat from hydration of the cement and attendant volume change to minimize cracking. The design of mass concrete structures is generally based on durability, economy, and thermal action, with strength often being a secondary concern. This document contains a history of the development of mass concrete practice and discussion of materials and concrete mixture proportioning, properties, construction methods, and equipment. It covers traditionally placed and consolidated mass concrete and does not cover roller-compacted concrete. Contents: CONTENTS Chapter 1Introduction and historical developments, p. 207.1R-2 1.1Scope 1.2History 1.3Temperature control 1.4Long-term strength design Chapter 2Materials and mixture proportioning, p. 207.1R-5 2.1General 2.2Cements 2.3Pozzolans and ground slag 2.4Chemical admixtures 2.5Aggregates 2.6Water 2.7Selection of proportions 2.8Temperature control Chapter 3Properties, p. 207.1R-12 3.1General 3.2Strength 3.3Elastic properties 3.4Creep 3.5Volume change 3.6Permeability 3.7Thermal properties 3.8Shear properties 3.9Durability Chapter 4Construction, p. 207.1R-19 4.1Batching 4.2Mixing 4.3Placing 4.4Curing 4.5Forms 4.6Height of lifts and time intervals between lifts 4.7Cooling and temperature control 4.8Instrumentation 4.9Grouting contraction joints Chapter 5References, p. 207.1R-27 5.1Referenced standards and reports 5.2Cited references |
ACI
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