Pdf capillary pressure controlled concrete curing in. Aci committee reports, guides, and commentaries are intended for guidance in planni ng, designing, executing, and inspecting construction. Specifications for structural concrete, aci 30105 cement and concrete terminology, aci 116r00 standard specifications for tolerances for concrete construction and materials, aci 1171117r90 reapproved 2002 chemical admixtures for concrete, aci 212. If requirements for cold weather concreting are needed in specification form, aci 306. Aci 11790117r90r2002 standard tolerances for concrete construction and materials aci 11790 and commentary aci 117r90 aci sp299 manual of concrete inspection. List of asceaciaashtoaisc codes civil and structural. Application as a bonding agent for ease of application, apply on a substrate with a csp of 1 to 4. Hot weather concreting problems, effects and precautions. References aci committee 305 hot weather concreting aci 305r.
Aci 305r99 hot weather concreting hot weather concreting. References aci committee 305, hotweather concreting, aci 305r99, american concrete institute, farmington hills, michigan, 1999, 17 pages. Aci produces different types of documents for mix design calculations, placing, curing, and testing of concrete. This reference specification provides requirements for hot weather concreting that the architectengineer can apply to any construction project involving hot weather concreting by citing it in the project specification. The revisions focus in particular on the effects of hot weather on concrete properties, and the use of midrange waterreducing admixtures and extended setcontrol admixtures in hot weather. Aci 304r00 guide for measuring, mixing, transporting and placing concrete.
The potential problems of hot weather concreting may occur at any time of the year in warm. The american concrete institute s publication aci 305r10 is an excellent reference for further information. Aci 305r99 hot weather concreting aci 306r88 cold weather concreting aci 308r practice for curing concrete aci 506r guide to shotcrete 1 this practice is under the jurisdiction ofastm committee f36 on technology and underground utilities and is the direct responsibility of subcommittee f36. Aci 305r 99 hot weather concreting aci 306r88 cold weather aa 308k practice for curing concrete ac1506r 2 for referenced astm visit the astm. Hot weather concreting aci 305r 99 concrete mixed, transported, and placed under conditions of high ambient temperature, low humidity, solar radiation, or wind, requires an understanding of the effects these environmental factors have on concrete properties and construction operations. Guide to hot weather concreting reported by aci committee 305 aci 305r10 environmental factors, such as high ambient temperature, low humidity, high wind, or both low humidity and high wind, affect concrete properties and the construction operations of mixing, transporting, and placing of the concrete materials. There are additional specifications for hot weather and cold weather concreting. Aci 305r 99 hot weather concreting browse product family. Aci 30105 field reference manual specifications for. Retarding admixture an overview sciencedirect topics. Aci committee 305, hotweather concreting aci 305r99, american concrete institute. American concrete institute aci aci 305r99 hot weather concreting aci 306r88 cold weather concreting ts 472.
Other standards american concrete institute aci 31808 building code requirements for structural concrete and commentary. Oct 20, 2012 305r 99 hot weather concreting 306r88 cold weather concreting 306. Specifications for structural concrete, aci 30105, with selected aci references. The materials, processes, quality control measures, and inspections described in this document should be tested, monitored, or performed as applicable only by individuals holding the appropriate aci certifications or equivalent. Guide to hot weather concreting reported by aci committee 305 aci 305r 10 environmental factors, such as high ambient temperature, low humidity, high wind, or both low humidity and high wind, affect concrete properties and the construction operations of mixing, transporting, and placing of the concrete materials. Other standards american concrete institute aci 440. The history section of the commentary is quite educational if youd like to learn more. Effect of plastic stage curing on longterm properties of high performance concrete hpc was studied, thereafter, the mechanism is also analyzed. Pdf from aa 1aci 305r 91 hot weather concreting reported by aci committee 305 habib m. Hot weather concreting aci 305r99 concrete mixed, transported, and placed under conditions of high ambient temperature, low humidity, solar radiation, or wind, requires an understanding of the effects these environmental factors have on concrete properties and construction operations. Any chemical admixture without a history of better performance in hot weather conditions should be evaluated prior to use aci 305r 99. References aci committee 305 hot weather concreting aci. Pdf from aa 1aci 305r91 hot weather concreting reported by aci committee 305 habib m.
Section 03 52 00 lightweight concrete roof insulation. Hot weather concreting, aci 305r, american concrete institute, farmington hills, mi. Checklists do not form a part of standard specification aci 308. Buy aci 305r99 hot weather concreting hot weather concreting on free shipping on qualified orders. The effectiveness of the chemical admixtures is dependent upon the reactions with the cement they are to be used with. Aci 117, except that fabrication tolerance for bar sizes nos. For additional information, click here to contact us, or call 186698363. This paper primarily explains the background to the evaporation nomograph found in aci 305r 96, hot weather concreting manual of concrete practice, part 21996, where the graph provides a. Guide to hot weather concreting reported by aci committee 305 aci 305r10 environmental factors, such as high ambient temperature, low humidity, high wind, or both low humidity and high wind, affect concrete properties and the construction operations of mixing, transporting, and. Atlantic testing laboratories hot weather concreting. Effect of plastic stage curing on longterm properties of. Aci 30105 specifications for structural concrete for buildingsaci sp6604 aci detailing manualaci 305r99 hot weather concretingaci 11706 specifications for tolerances for concrete construction and materials and commentaryaci 308. Price new from used from paperback, 1999 please retry.
Aci 305r99 hot weather concreting aci 306r88 reapproved 2002 cold weather concreting aci 308r01 guide to curing concrete aci 309r96 guide for consolidation of concrete aci 31805 building code requirements for structural concrete chapters 37 aci 34704 guide to formwork for concrete aci 533. Apply the bonding agent onto the substrate with a brush. One of the most important applications of retarding admixtures is hotweather concreting, when delays between mixing and placing operations may result in early stiffening. Preventing issues before they occur can result in concrete that is of greater durability and higher quality to the owner.
The success of many hotweather concreting operations depends on the steps taken to slow the cement hydration reactions within the concrete and to minimize the rate of evaporation of. Aci committee 305, hotweather concreting aci 305r99, american concrete institute, design and control 14th edition, chapter pdf estimating in building construction. Each technical section of standard specification aci 308. Concrete discoloration causes the concrete network. One group in particular that specializes in hot weather concreting is committee 305 hot weather concrete. Aci 305r10, guide to hot weather concreting hot weather concreting. Cctv survey means the closedcircuit televised inspection of sewers using closed circuit television. Aci 305r99 hot weather concreting browse product family. Selamat merencanakan dan melaksanakan pembangunan struktur beton bertulang yang kuat dan ekonomis. Hot weather concreting, chapter of design and control of concrete mixtures, eb001. Aci 305r10 aci 305r99 chapter 1 introduction and scope, p. Placed concrete in weather producing higher rates of evaporation may also call for countermeasures such as wind breaks, evaporative retardants or similar practices for more information, read the american concrete institute publication aci 305r99, hot weather concreting. Aci 305r99 hot weather concreting hot weather concreting paperback january 1, 1999 by aci author see all formats and editions hide other formats and editions. Aug 02, 2018 provides guidelines and specifications on how to handle that.
Results showed that compared to compressive strength, the permeability of surface concrete especially for silica fume concrete was more sensitive to plastic stage curing, and deteriorations due to insufficient plastic stage curing cant be. This paper primarily explains the background to the evaporation nomograph found in aci 305r96, hot weather concreting manual of concrete practice, part 21996, where the graph provides a. Without proper countermeasures, poor practices like blessing the. Aci 31811 building code requirements for reinforced concrete.
Aci 305 hot weather concreting defines hot weathers as any combination of the following conditions that tends to impair the quality of the freshly mixed or hardened concrete. Aci 30105 specifications for structural concrete for buildingsaci sp6604 aci detailing manualaci 305r 99 hot weather concretingaci 11706 specifications for tolerances for concrete construction and materials and commentaryaci 308. Aci 30105 specifications for structural concrete for buildings. Aci 305r99 hot weather concreting aci 306r88 cold weather aa 308k practice for curing concrete ac1506r 2 for referenced astm visit the astm. One of the preferred resources for information in north america is the american concrete institute aci. Specifications for structural concrete, aci 30105, with. A82a82m07 steel wire, plain, for concrete reinforcement. Guide to hot weather concreting american concrete institute. Cip 12 hot weather concretingcip 12 hot weather concreting hot weather concreting, aci 305r, american concrete institute. Concrete containing the slower setting cements will be more likely to exhibit. Aci committee 305, hotweather concreting aci 305r99, american concrete institute, farmington hills, mi.