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ASTM C990-09(2019)
Standard Specification for Joints for Concrete Pipe, Manholes, and Precast Box Sections Using Preformed Flexible Joint Sealants
Přeložit název
NORMA vydána dne 1.9.2019
Informace o normě:
Označení normy: ASTM C990-09(2019)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.9.2019
Kód zboží: NS-969762
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Trubky a fitinky z ostatních materiálů
Beton. Betonové prefabrikáty
Anotace textu normy ASTM C990-09(2019) :
Keywords:
concrete manholes, concrete pipe, flexible, joints, sealants,, ICS Number Code 23.040.50 (Pipes and fittings of other materials),91.100.30 (Concrete and concrete products)
Doplňující informace
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers joints for precast concrete pipe and box, and other sections using preformed flexible joint sealants for use in storm sewers and culverts which are not intended to operate under internal pressure, or are not subject to infiltration or exfiltration limits. Joint material used in horizontal applications is intended to prevent the flow of solids through the joint. 1.2 For precast concrete manhole sections and other vertical structures, which are subject to internal or external pressure, infiltration or exfiltration limits are not prohibited from being specified. Joints in vertical structures covered by this specification are intended mainly to prevent the flow of solids or fluids through the joint. 1.3 This specification is to be used with pipe and structures conforming in all respects to Specifications C14, C76, C478, C506, C507, C655, C985, C1433, C1504, and C1577, provided that if there is a conflict in permissible variations in dimensions, the requirements of this specification shall govern. 1.4 This specification is the inch-pound companion to C990M; therefore, no SI equivalents are presented in the specification. Note 1: This specification covers the material and performance
of the joint and sealant only. Infiltration and exfiltration
quantities for installed sections are dependent on factors other
than the joints which must be covered by other specifications and
suitable testing of the installed pipeline.
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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