ASTM C1480 / C1480M - 07(2012)

    Standard Specification for Packaged, Pre-Blended, Dry, Combined Materials for Use in Wet or Dry Shotcrete Application

    Active Standard ASTM C1480 / C1480M | Developed by Subcommittee: C09.46

    Book of Standards Volume: 04.02


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    ASTM C1480 / C1480M

    Abstract

    This specification covers laboratory performance standards for pre-blended, dry, packaged, combined materials for use in wet or dry shortcrete applications. Dry packaged shortcrete materials are categorized as to type and grade. Basic materials shall meet the requirements of this specification. Additional materials shall be permitted only if adequate test data are available to insure that the ingredient has no deleterious effects on the specified properties. Cementitious materials and aggregates shall be measured by mass (or by volume). Volumetric measurement shall be calibrated by mass. Fibres are measured by mass. Admixtures are measured by mass or volume. Shortcrete ingredients shall be thoroughly blended at a central location. Mixer performance tests shall be performed to establish the mixing time suitable for uniformity of mixing. Type FA and CA shortcrete shall meet the requirements when mixed and tested in accordance with the procedure for mixing and testing. Grade GU shortcrete shall meet the general requirements for type FA or type CA shortcrete. Grade SR shortcrete shall have sulfate resistance. Grade LP shortcrete shall have a very low chloride penetrability rating. Grade FR shotcrete shall have fiber reinforcement with a minimum average residual (Grade FR Class I) and flexural strength (Grade FR Class II) when tested.

    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 laboratory performance standards for pre-blended, dry, packaged, combined materials for use in wet or dry shotcrete applications that are delivered to a purchaser with the ingredients uniformly mixed. The use of supplemental materials, placement, curing, or protection of the shotcrete after delivery to the purchaser is not addressed by this specification.

    1.2 The values stated in either SI units or inch-pound units shall be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

    1.3 The following safety hazards caveat pertains only to the test method portion of this specification: 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 and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    National Institute of Standards and Technology

    Handbook44 Specifications, Tolerances, and Other Technical Requirements for Commercial Weighing Devices Available from National Institute of Standards and Technology (NIST), Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402

    ASTM Standards

    C78 Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading)

    C150 Specification for Portland Cement

    C387/C387M Specification for Packaged, Dry, Combined Materials for Concrete and High Strength Mortar

    C595 Specification for Blended Hydraulic Cements

    C1012 Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution

    C1140 Practice for Preparing and Testing Specimens from Shotcrete Test Panels

    C1157 Performance Specification for Hydraulic Cement

    C1202 Test Method for Electrical Indication of Concretes Ability to Resist Chloride Ion Penetration

    C1385/C1385M Practice for Sampling Materials for Shotcrete

    C1399 Test Method for Obtaining Average Residual-Strength of Fiber-Reinforced Concrete

    C1436 Specification for Materials for Shotcrete


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/C1480_C1480M-07R12

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