Download Free Water For Mixing And Curing Concrete Book in PDF and EPUB Free Download. You can read online Water For Mixing And Curing Concrete and write the review.

Literature on the quality of water for mixing and curing concrete indicates that relatively few investigations on this subject have been conducted. It seems to have been generally agreed that water fit to drink was fit to use in concrete mixing, and even fewer limitations were applicable to curing-water quality. Tests were conducted by the Missouri River, South Atlantic, and Ohio River Division Laboratories, and the Waterways Experiment Station to determine the effects of pH values of water on the strength of concrete and the staining properties of elements found in water. It was found that various contaminants can render distilled water unfit for mixing or curing concrete. It is also indicated that pH does not provide a basis for specifying quality of mixing water. A procedure for evaluating curing waters for staining properties is presented in appendix A in which, for a preliminary evaluation, 3000 ml of the water are evaporated, and for a complete test 3 gal are evaporated. A digest of the literature is given in appendix B. (Author).
This paper is primarily concerned with the significance of tests of various types of waters for mixing and curing concrete and makes no attempt to include the effect of quantity of mixing water. Almost all natural waters, fresh waters, and waters treated for municipal use are satisfactory as mixing water for concrete if they have no pronounced odor or taste. Because of this very little attention is usually given to the water used in concrete, a practice that is in contrast to the frequent checking of the cement and aggregate components of the concrete mix.
This paper is concerned primarily with the significance of tests of various types of waters for mixing and curing concrete and makes no attempt to include the effect of quantity of mixing water. Almost all natural waters, fresh waters, and waters treated for municipal use are satisfactory as mixing water for concrete if they have no pronounced odor or taste. Because of this very little attention is usually given to the water used in concrete, a practice that is in contrast to the frequent checking of the cement and aggregate components of the concrete mix.
WALTER J. MCCOY, THEN DIRECTOR OF RESEARCH for Lehigh Portland Cement Company, wrote the first version of this chapter for ASTM STP 169. For ASTM STP 169A, Mr. McCoy revised his chapter and added information on typical municipal water analyses, tolerable concentrations of impurities, the effects of sugar in mixing water, and the effects of water hardness on concrete air content. He also added several new references. For ASTM STP 169B, Mr. McCoy, then Director of Cement Technology for Master Builders, made only minor changes to the ASTM STP 169A version of the chapter. This current version is essentially Mr. McCoy's (now deceased) chapter with limited updating. There has been very little new technology published regarding mixing and curing water for concrete. The ASTM STP 169D edition as prepared does, however, reflect recent standards developments promulgated by ASTM Subcommittee C09.40 and Committee C09.
Walter J. McCoy, then Director of Research for Lehigh Portland Cement Company, wrote the first version of this chapter for ASTM STP 169. For ASTM STP 169A, Mr. McCoy revised his chapter and added information on typical municipal water analyses, tolerable concentrations of impurities, the effects of sugar in mixing water, and the effects of water hardness on concrete air content. He also added several new references. For ASTM STP 169B, Mr. McCoy, then Director of Cement Technology for Master Builders, made only minor changes to the ASTM STP 169A version of the chapter. This current version is essentially Mr. McCoy's (now retired) chapter with minimal updating. There has been very little new technology published regarding mixing and curing water for concrete.
Information is presented regarding the effects of waters containing various organic and inorganic compounds on the different properties of concrete, corrosion of reinforcement, and staining.
Nonconventional Concrete Technologies: Renewal of the Highway Infrastructure identifies research and development opportunities in innovative, nonconventional materials and processes that have the potential to accelerate the construction process, improve the durability of highway pavement and bridges, and enhance the serviceability and longevity of new construction under adverse conditions.