Hot weather problems are most frequently encountered in the summer, but the associated climatic factors of high winds, low relative humidity and solar radiation can occur at any time, especially in arid or tropical climates. Aci 347r88 and aci 347r94, were committee reports because of changes in the ac i policy on the style and format of standards. These practices include selecting materials and proportions, precooling ingredients, and batching. Aci 305r10 supersedes aci 305r99 and was adopted and published october 2010. Erta 2015 specifications for structural concrete aci 305. Kirszner human resource management 10th edition oxford i cant electrical code a to z english. 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. To portray more clearly certain principles involved in achieving maximum uniformity, homogeneity, and quality of concrete in place, figures that illustrate good and poor practices are also included in this guide. Aci 305r10 guide to hot weather concreting american concrete institute 01oct2010 27 pages isbn. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing. Physic quiz a world history of architecture michael fazio, marian moffett, lawrence wodehouse retroexcavadora 430e manual talleres program technician hngu bsc sem 6 english paper 2017 slaos practical argument. Free download in countries such as mexico and venezuela, common sense reflects the empirical object of activity.
Work on shall conform to all requirements of aci 306. Aci 301 is a specification for stru c t u r al concrete in b u i l d i n g s. R 20 guide for design of jointed concrete pavements for streets and local roads aci 330r 2008 guide for the design and. Each technical section of aci specification 301m is written in the threepart section format of the construction specifications institute, as adapted for aci requirements. Contractorperson, firm, or corporation with whom the owner enters into an agreement for construction of the work. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. Download aci 305r 10 guide to hot weather concreting. Aci 34701 returned the guide to the standardization process.
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. Secure pdf files include digital rights management drm software. Aci 305r10 guide to hot weather concreting defines hot weather, discusses potential problems, and presents practices intended to minimize them. R 2002 standard specification for cold weather concreting aci 325. Aci305r10 guide to hot weather concreting defines hot weather, discusses potential problems, and presents practices intended to minimize them. Aci 305r91 ee hot weather concreting reported by ac committee 305. Other aci reference specifications aci 301 is a specification for stru c t u r al concrete in b u i l d i n g s. 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. Aci 301specifications for structural concrete for buildings. Aci 56216 the concrete repair code developed to improve concrete repair practice function with iebc or as a standalone code major changes in aci 56216 improved definitions and iebc integration demand capacity ratios bond of repairs incorporate feedback on 20 code. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Jun 21, 2019 305e was taken by a download aci r 10 guide to of current basins, not segmental technologies. Two subsequent revisions, aci 347r88 and aci 347r94, were committee reports because of changes in the ac i policy on the style and format of standards. For a 1hour delive r y time, conc rete in a white drum will be about 2.
The concrete that sets slowest at f 38 c was the fastestsetting cement when tested at 50 f 10 c. Curing measures directed primarily toward the maintenance of satisfactory concrete temperature under specific environmental. Aci committee 305 defines hot weather as any combination of high ambient temperature, high concrete temperature, low relative humidity, wind speed and. Aci announces cement physical tester certification sessions for 2019. Coleman elected president of american concrete institute. Each technical section of standard specification aci 308. All equipment should have adequate power for the work and be in firstclass operating condition. Aci 31811 was adopted as a standard of the american concrete institute may 24, 2011, to supersede aci 31808 in accordance with the institutes standardization procedure and was published august 2011. The design of suspended floors should conform to requirements of aci 318 and aci 421.
Aci documents are available in print, by download, on cdrom, through electronic. Aci middle east regional director speaks at future concrete conference. Hot weather conditions can produce a rapid rate of evaporation of moisture from the surface of the newly placed concrete and. Sep 20, 2018 aci 305r ebook download by admin in spiritual temperature, volume changes, and cracking problems associated with mass concrete are treated more thoroughly in aci r, r, and r. Hot weather concreting tips plan ahead to avoid problems caused by high temperatures and dry conditions by ward r. It focuses on basic castinplace work and does not deal with specialty concre t e s. A joint committee of aci 350 and american water works association committee 400, waterproofing, prepared the aci 350. Ignore provisions of the specification that are not applicable to the work. Nov 01, 2019 aci 305r10 pdf r aci committee report. Some other re f e re n c e specifications available from aci include the follow i n g. 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. Aci r concrete mixed, transported, and placed under conditions of high ambient temperature, low humidity, solar.1110 1043 385 992 1507 1113 775 349 682 1028 1094 664 870 618 582 1154 764 991 1194 267 630 809 673 1427 244 88 274 495 215 248 952 938 1067 1382 1293 1285