ARC Laboratory Services https://validator.w3.org/feed/docs/rss2.html Secondary Mineral Content (1800 Point Count) (Strict application of AS 1141.26) – Construction Aggregate Secondary Mineral Content (1800 Point Count) (Strict application of AS 1141.26) and Standard Petrographic Report – description of textures, % of minerals present, potential of ASR and statements of construction suitability (100 point count) Durable and Non Durable Mineral Assessment (3 Slides / 100 point Count) Durable and Non Durable Mineral Assessment (3 Slides / 100 point Count) and Standard Petrographic Report – description of textures, % of minerals present, potential of ASR and statements of construction suitability (100 point count) Petrographic Analysis / Assessment of possible Asbestos Minerals taking account of AS 4964 Petrographic Analysis in regard to Alkali Silica Reactivity strictly to AS 1141.65 Classification of Material Weathering – Table 20 Natural stone test methods. Petrographic examination Suggested method for petrographic description of rocks Statement for Free Silica and Quartz Content as per Q188 as an addition to either AS 1141.26 or ASTM C295 Standard Petrographic Report – description of textures, % of minerals present, potential of ASR and statements of construction suitability (100 point count) Secondary Mineral Content (using Petrological Microscope) Petrographic examination of hardened concrete samples Bulk Density (Uncompacted and Compacted) Particle Density Water Absorption (Fine) Particle Density Water Absorption (Coarse) Particle Size Distribution (Dry or Washed) Material finer than 75um Material finer than 2um Particle Shape of Aggregate – Single ratio – 2:1 or 3:1 Particle Shape of Aggregate – Both ratios – 2:1 and 3:1 Flakiness Index Angularity Number Resistance to Wear by Attrition Crushed Particles derived from Gravel Average Least Dimension > 5 & 7mm Average Least Dimension >10mm Aggregate Crushing Value Wet Dry Strength Variation Crushing Test Value Los Angeles Abrasion Los Angeles Abrasion (Limestone) Polished Aggregate Friction Value (Vertical Road Wheel) Sodium Sulphate Soundness Degradation Factor Source Rock Degradation Factor Coarse Aggregate Accelerated Soundness by Reflux Alkali Aggregate Reactivity – Qualitative Petrological Screening for Potential Alkali-Silica Reaction Coarse Aggregate Quality by Visual Comparison Light Particles Weak Particles Clay Fine Silt Organic Impurities Sugar (Presence of Sugar in aggregate) Resistance to Stripping Accelerated Mortar Bar – Alkali Reactivity Potential Potential Alkali Reactivity (ASR Mortar Bar) Methylene Blue Absorption Value Colour of Aggregate Home