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Standard Practice for Use of Portland Cement Concrete Bridge Deck Water Barrier Membrane Systems
NORMA vydaná dňa 1.5.2023
Označenie normy: ASTM D4071-23
Dátum vydania normy: 1.5.2023
Kód tovaru: NS-1143478
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
bridge deck, membrane, protective systems, water barrier, waterproofing,, ICS Number Code 93.040 (Bridge construction)
Significance and Use | ||||
4.1?This practice provides a guide for factors to be considered prior to waterproofing bridge decks with water barrier membrane systems. It will provide guidance for specification of materials, application of membrane systems, and placement of asphalt wearing courses. It may be used as a guide for new construction or for rehabilitation of existing structures. |
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1. Scope | ||||
1.1?This practice covers liquid applied, preformed, or built-up water barrier membrane systems and their application, overlaid with asphalt wearing courses, for use in the protection of bridge decks from deleterious effects of deicing salts. Material use and specifications should be adapted to conform to job and user requirements for new construction or existing structures. This practice is written as a guide for the use of bridge deck water barrier systems only. 1.2?The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.3?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. 1.4?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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