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Shrinkage Bar Mould - ASI-529

Shrinkage Bar Mould - ASI-529

The mould is used for casting specimens of cement aggregate combinations for measuring the potential expansive alkali reactivity.

Specifications: The mould, which has 25mm x 25mmx 250mm. effective gauge length is made of mild steel and has accurately machined faces. The parts of the moulds are tight fitting and firmly held together when assembled. Supplied complete with base.

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Standard Title Scope Main Procedures / Applications
IS: 4031 Methods of Physical Tests for Hydraulic Cement Defines procedures for evaluating key physical properties of cement.
  • Fineness (sieve/Blaine method)
  • Consistency & setting time (Vicat apparatus)
  • Compressive strength
  • Soundness (Le Chatelier)
  • Specific gravity
IS: 10086 Specification for Moulds for Testing Cement Specifies dimensions, design, and materials of test moulds used in cement testing.
  • Cube moulds (70.6 mm for compressive strength)
  • Material: Cast iron/steel
  • Dimensional tolerance and surface finish
  • Used in tests per IS: 4031 & IS: 4032
ASTM C227 Standard Test Method for Potential Alkali Reactivity of Cement–Aggregate Combinations Determines potential expansive reaction between alkalis in cement and reactive aggregates using mortar bars.
  • Mortar bars with specific cement and aggregate
  • Stored at 38°C with 100% RH for 14 days to 6 months
  • Length change measured over time
  • Used to predict alkali-silica reactivity (ASR)