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ASTM C877M-21
Standard Specification for External Sealing Bands for Concrete Pipe, Manholes, and Precast Box Sections (Metric)
Name übersetzen
NORM herausgegeben am 15.1.2021
Informationen über die Norm:
Bezeichnung normen: ASTM C877M-21
Ausgabedatum normen: 15.1.2021
SKU: NS-1016984
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM C877M-21 :
This specification deals with the metric standard for three types of external sealing bands to be used in conjunction with concrete pipe, manholes, and precast box sections. The first type of bands shall be composed of rubber, mastic, and protective film elements, while the second type shall consist of a plastic film, reinforced, rubberized, asphalt, mastic coating with steel straps. The third type shall be composed of a backing band, an applied continuous butyl adhesive coating and an optional release element. All the elements of each type of sealing band shall have physical properties conforming with specified limits as determined through appropriate test methods herein provided.
Keywords:
bands, external, concrete pipe, joints,, ICS Number Code 23.040.80 (Seals for pipe and hose assemblies)
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1?This specification covers external sealing bands to be used in conjunction with concrete pipe as defined in Terminology C822 and conforming to Specifications C14M, C76M, C412M, C478/C478M, C506M, C507M, C655M, C985M, C1417M, and C1433M. 1.1.1?Type I, Rubber and Mastic Bands. 1.1.2?Type II, Plastic Film and Mesh Reinforced Mastic Bands. 1.1.3?Type III, Chemically Bonded Adhesive Butyl Bands. 1.2?This specification is the metric counterpart of Specification C877. Note 1:?This specification covers only the design and material
of the sealing bands. Sealing bands covered by this specification
are adequate, when properly installed, for external hydrostatic
pressures up to 90 kPa, (9.14 m) without leakage. The amount of
infiltration or exfiltration flow in an installed pipeline is
dependent upon many factors other than the sealing bands; allowable
quantities and suitable testing of the installed pipeline and
system must be covered by other specifications.
1.3?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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