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ASTM C478-19
Standard Specification for Circular Precast Reinforced Concrete Manhole Sections
Přeložit název
NORMA vydána dne 15.7.2019
Informace o normě:
Označení normy: ASTM C478-19
Poznámka: NEPLATNÁ
Datum vydání normy: 15.7.2019
Kód zboží: NS-955582
Počet stran: 10
Přibližná hmotnost: 30 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM C478-19 :
Keywords:
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 Number Code 13.060.30 (Sewage water)
Doplňující informace
| 1. Scope | ||||||||||||||||||||||||||||||||||||
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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.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||
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