Astm international astm, originally known as the american society for testing and materials, is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular precast reinforced concrete. Our products are engineered to provide you with long and troublefree service. Experience has shown, however, that the successful performance of this product depends upon the proper selection of the product strength, type. Admixtures admixture is defined as a material, other than cement, water and aggregates, that is used as an ingredient of concrete and is added to the batch immediately before or during mixing. This test result had the block at 3740 psi compressive strength when the minimum is only 2000 psi. Be calibrated annually, or if theres a question of accuracy.
Manufacturing standards for precast concrete products. Plastic building products to find similar documents by classification. This specification is the inchpound companion to specification c478m. This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular vertical precast.
Standards can be downloaded or ordered directly from the astm website at. Omni block concrete masonry units cmu have significantly passed the industry standard astm c9014 and c140 for structural block every time when manufactured and tested in the usa. Manhole installation astm guide national precast concrete. This document is available in either paper or pdf format. Find the most uptodate version of c478m at engineering360. Szecsy vice president of new product development and risk management, lattimore materials company, lp, mckinney, texas astm c94, specification for readymixed concrete, was first published in 1935 and is one of the most widely used astm documents. The tolerances for placing of reinforcement, hardware, holddown.
Note 2this specification is a manufacturing and purchase specification only and does not include requirements for backfill, or the relationship between field load conditions and the strength requirements of. Not vary by more than 1 degree fahrenheit when verified against a reference thermometer. Manhole design manufacture to astm c478m specification. Astmc85 standard practice for sampling materials for. Commentary on building code requirements for masonry structures aci not available on. In addition to the astm standards, our fiberglass manhole liners meet h20 load requirements. Measuring device must read between 30 to 120 degrees. Astm c47819 standard specification for circular precast.
If the download is not successful, please tell the webmaster in time. Astm c478m 11 standard specification for precast reinforced. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. Supplements published in intervening years, and in 193738. Astm manhole specifications september 26, 2011 1 comment of all the astmrelated technical questions received here at the national precast concrete association, c478, standard. Astm c1064 aci temperature of freshly mixed concrete. Reinforced plastic piping systems and chemical equipment. This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular. Note 2 this specification is a manufacturing and purchase specification only, and does not include requirements for backfill, or the relationship between field load conditions and the strength requirements of the manhole products and appurtenances. Making and curing concrete test specimens in the field. Our fiberglass manhole liners are designed to meet or exceed all astm d3753 standard specifications. Guide to improving specifications for ready mixed concrete. While the precast manhole is usually able astm c478 withstand additional pressure than that prescribed by astm astm c478, the gaskets are manufactured to withstand a minimum of only psi according to astm c reinforced concrete shall consist of cementitious materials, adtm. Notes cement free download as powerpoint presentation.
It is more forgiving than other gaskets and is becoming more the norm. If you have questions on how to download the presentation, please call npca. Experience has shown, however, that the successful performance of this product depends upon the proper selection of the product strength, type of. Astm c 478 free download keyword found websites listing. Manufacturing standards for precast concrete products march 2009 page 4 astm c 497 standard test methods for concrete pipe, manhole sections and tile. Share share with facebook share with tweeter share with linkedin.
Astm b16b16m10 freecutting brass rod, bar and shapes for use in screw. Astm d470812 preparation of uniform free films of organic coatings. Manhole installation presentation available for download. This specification is a manufacturing and purchase specification only, and does not include requirements for backfill, or the relationship between field load conditions and the strength requirements of the manhole products and appurtenances. Guide specification precast concrete products this specificaton should be used only by qualified professionals who are competent to evaluate the significance and limiations of the specification and who will accept responsibility for the application of its requirements to the products being considered.
Astm c478m19 standard specification for circular precast reinforced concrete manhole sections metric standard by astm international, 07152019. Astm c478m standard specification for circular precast reinforced concrete manhole sections metric. Astm manhole specifications september 26, 2011 1 comment of all the astm related technical questions received here at the national precast concrete association, c478, standard. Round structures standard specification for precast concrete manhole sections astm c478 covers the manufacture and purchase requirements of products used for the assembly and construction of circular precast reinforced concrete manholes used in sewer and water works. Standard test method for density unit weight, yield, and.
A number in parentheses indicates the year of last. Astm c140 standard test methods for sampling and testing. C 109c109m test method for compressive strength of hydraulic cement mortars using 2in or 50 mm cube specimens c 938 practice for proportioning grout mixtures for preplacedaggregate concrete. Astm c478m 19 standard specification for circular precast reinforced concrete manhole sections metric standard by astm international, 07152019. Ordinary concrete may fail to exhibit the required quality performance or. Astm c 478 free download keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. C481 standard test method for laboratory aging of sandwich constructions has been reapproved, available as c481992011 developed by committee d30. Astm c478m 11 standard specification for precast reinforced concrete manhole sections metric 0. Issued 191015 in its yearbook complete editions issued in 1916, and triennially, 191836, inclusive. C478m standard specification for precast reinforced concrete manhole sections metric has been revised to c478m11 developed by committee c.
Astm c478m15 precast reinforced concrete manhole sections metric. This publication uses the typical office master specification format, section 03300 for castin. This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular vertical precast reinforced concrete manholes and structures used in sewer, drainage, and water works. List of c astm standards c4042009 standard specification for clay drain tile and perforated clay drain tile c510 standard specification for quicklime for structural purposes c10c10m10 standard specification for natural cement c11 standard terminology relating to gypsum and related building materials and systems c12 standard practice for installing vitrified clay pipe lines c1411. Effects of fine aggregates failing to meet astm c144. Note 1future products will be included in part ii in a future revision of this specification 1. Astm c478m standard specification for circular precast. Astm e8420,standard test method for surface burning characteristics of building materials. Astm d4716d4716m14 determining the inplane flow rate per unit width and hydraulic transmissivity of a geosynthetic using a constant head. Astm c 618 coal fly ash or calcined natural pozzolan for use as a mineral admixture in portland cement concrete.
Water for architectural concrete mixtures and curing shall be free of impurities or colour that could. Provisions of aci 31814, building code for structural concrete, as it relates to requirements concrete ingredient materials and mixtures, production and delivery are incorporated in this document. There are probably at least 100 different cmu units available. A number in parentheses indicates the year of last reapproval. I am not sure if the suggestions here were based on hypothetical or real sea. Aashto m 199mm 19905 is identical to astm c478mc47803a except provisions specified in this document. Standard test method for slump flow of selfconsolidating concrete. Additive is a material which is added at the time of grinding cement clinker at the cement factory. Note 2this specification is a manufacturing and purchase specification only, and does not include requirements for backfill, or the relationship between field load conditions and the strength requirements of the manhole products and appurtenances. Note 2this specification is a manufacturing and purchase specification only, and does not include requirements for backfill, or the relationship between field load conditions and the strength requirements of the manhole products and. The organizations headquarters is in west conshohocken, pennsylvania, about 5 miles northwest of philadelphia.
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