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Description of ASTM-C478 2013ASTM C478 - 13Standard Specification for Precast Reinforced Concrete Manhole SectionsActive Standard ASTM C478 | Developed by Subcommittee: C13.06 Book of Standards Volume: 04.05 ASTM C478Abstract 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 and water works. Reinforced concrete shall consist of cementitious materials, mineral aggregates, and water, in which steel reinforcement has been embedded in such a manner so that the steel reinforcement and concrete act together. Aggregates shall conform to the specification , except that the requirements for gradation shall not apply. Minimum compressive strength of concrete manhole products covered must meet the requirement. The aggregates shall be sized, graded, proportioned, and mixed with such proportions of cementitious materials and water as will produce as homogeneous concrete mixture of such quality that the products will conform to the test and design requirements. Concrete products shall be subjected to either steam or water curing. Test methods such as compression and absorption testing shall be performed. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 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. 1.2 Part I, Sections 1- 11 , of this specification presents general requirements and requirements that are common to each precast concrete product covered by this specification. 1.3 Part II of this specification presents specific requirements for each manhole product in the following sections:
Note 1 Future products will to be included in Part II in a future revision of this specification.
1.4 This specification is the inch-pound companion to Specification C478M; therefore, no SI equivalents are presented in the specification.
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. Experience has shown, however, that the successful
performance of this product depends upon the proper selection of the product strength, type of foundation and backfill, and care in the field installation of the manhole products and
connecting pipes. The owner of the project for which these products are specified herein is cautioned to require inspection at the construction site.
ASTM Standards A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement A706/A706M Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement A1064/A1064M Specification for Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete C33 Specification for Concrete Aggregates C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens C150 Specification for Portland Cement C260 Specification for Air-Entraining Admixtures for Concrete C309 Specification for Liquid Membrane-Forming Compounds for Curing Concrete C494/C494M Specification for Chemical Admixtures for Concrete C497 Test Methods for Concrete Pipe, Manhole Sections, or Tile C595 Specification for Blended Hydraulic Cements C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete C822 Terminology Relating to Concrete Pipe and Related Products C989 Specification for Slag Cement for Use in Concrete and Mortars C1017/C1017M Specification for Chemical Admixtures for Use in Producing Flowing Concrete ACI Standard 318 Building Code, Requirements for Reinforced ConcreteKeywords absorption; acceptance criteria; base sections; compressive strength; concrete; cone tops; design; flat slab tops; grade rings; ladders; manhole; manufacture; reinforced; riser sections; sewer; steps; tests; water ; ICS Code ICS Number Code 13.060.30 (Sewage water) DOI: 10.1520/C0478-13 ASTM International is a member of CrossRef. ASTM C478The following editions for this book are also available...
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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