• 09/30203688 DC : 0

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS 7861-2 - STRATA REINFORCEMENT SUPPORT SYSTEMS COMPONENTS USED IN COAL MINES - PART 2: SPECIFICATION FOR FLEXIBLE SYSTEMS FOR ROOF REINFORCEMENT

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-10-2009

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Information and requirements to be
      agreed and documented
    5 Flexible reinforcement systems
    6 Cementitious grout
    7 Resin grout
    8 System performance
    9 Mechanical performance criteria
    Annexes
    Annex A (normative) - Tensile testing of end
            fitting/coupling assemblies
    Annex B (normative) - Determination of 0.2% proof load
            and strain at maximum load in bulbed tendons
    Annex C (normative) - Grout encapsulation tests
    Annex D (normative) - Determination of uniaxial compressive
            strength of cementitious grout
    Annex E (normative) - Determination of the elastic modulus
            of grout
    Annex F (normative) - Determination of the expansion of grout
    Annex G (normative) - Determination of uniaxial compressive
            strength (UCS) of resin grout
    Annex H (normative) - Determination of elastic modulus of
            resin
    Annex I (normative) - Determination of creep of resin
    Annex J (normative) - Determination of bond strength and
            system stiffness of a resin anchored system
    Annex K (normative) - Determination of bond strength and
            system stiffness of a cementitious grout anchored
            system
    Annex L (normative) - Shear test on tendon/grout system
    Annex M (informative) - Notes on corrosion
    Bibliography

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee MRE/1
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded

    Standards Referencing This Book - (Show below) - (Hide below)

    BS EN 196-3 : 2005 METHODS OF TESTING CEMENT - PART 3: DETERMINATION OF SETTING TIMES AND SOUNDNESS
    BS EN 12390-4:2000 Testing hardened concrete Compressive strength. Specification for testing machines
    BS EN 12385-10 : 2003 STEEL WIRE ROPES - SAFETY - PART 10: SPIRAL ROPES FOR GENERAL STRUCTURAL APPLICATIONS
    BS 5896:1980 Specification for high tensile steel wire and strand for the prestressing of concrete
    BS EN 10264-2:2012 Steel wire and wire products. Steel wire for ropes Cold drawn non alloy steel wire for ropes for general applications
    BS 1881-121:1983 Testing concrete Method for determination of static modulus of elasticity in compression
    BS EN 10244-2:2009 Steel wire and wire products. Non-ferrous metallic coatings on steel wire Zinc or zinc alloy coatings
    BS 6319-1:1983 Testing of resin and polymer/cement compositions for use in construction Method for preparation of test specimens
    BS 6319-2:1983 Testing of resin and polymer/cement compositions for use in construction Method for measurement of compressive strength
    BS EN ISO 15630-3:2010 Steel for the reinforcement and prestressing of concrete. Test methods Prestressing steel
    BS EN 10264-3:2012 Steel wire and wire products. Steel wire for ropes Round and shaped non alloyed steel wire for high duty applications
    ASTM C 490/C490M : 2017 : REDLINE Standard Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete
    BS EN 10016-4:1995 Non-alloy steel rods for drawing and/or cold rolling Specific requirements for rod for special applications
    BS EN 196-1:2016 Methods of testing cement Determination of strength
    BS EN ISO 7500-1:2015 Metallic materials — Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines — Calibration and verification of the force-measuring system
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