Highway Material Testing Index – As per MoRTH 5th Revision

A complete reference of all laboratory and field tests for each layer of highway construction — from Subgrade to Rigid Pavement — based on MoRTH 5th Revision, IS, and IRC standards.

1️⃣ Earthwork & Subgrade

  • Moisture Content – IS:2720 (Part 2)
  • Sieve Analysis – IS:2720 (Part 4)
  • Atterberg Limits – IS:2720 (Part 5)
  • Compaction / Proctor Test – IS:2720 (Part 7 & 8)
  • California Bearing Ratio (CBR) – IS:2720 (Part 16)
  • Field Density – Core Cutter / Sand Replacement (IS:2720 Part 28)
  • DCP / Plate Load Test
  • Borrow Area / Embankment Material Tests

2️⃣ Granular Sub-Base (GSB)

  • Gradation – IS:2386 (Part 1)
  • Flakiness & Elongation Index – IS:2386 (Part 1)
  • Los Angeles Abrasion Value – IS:2386 (Part 4)
  • Water Absorption – IS:2386 (Part 3)
  • Field Density & Moisture – IS:2720 (Part 28)
  • Degree of Compaction – (Min. 97% of MDD)

3️⃣ Wet Mix Macadam (WMM)

  • Aggregate Impact Value – IS:2386 (Part 4)
  • Gradation Check – IS:2386 (Part 1)
  • Proportioning of Materials – MoRTH Clause 406
  • Field Density (Core Cutter / NDT)
  • Moisture Content Check
  • Layer Thickness Verification

4️⃣ Bituminous Layers (BM / DBM / BC)

  • Binder Content Determination
  • Marshall Stability & Flow Value – ASTM D1559 / MoRTH 507
  • Bitumen Penetration, Softening Point, Ductility, Specific Gravity – IS:1203–1208
  • Aggregate Stripping Value – IS:6241
  • Bitumen Extraction Test
  • Core Density / Thickness Test
  • Temperature Control Record

5️⃣ Rigid Pavement (Concrete Pavement)

  • Cement Tests – IS:4031
  • Coarse Aggregate Tests – IS:2386 (Part 1–4)
  • Fine Aggregate Tests – Sieve, Silt, Bulking, Specific Gravity
  • Concrete Mix Design – IS:10262 / IRC:44
  • Workability (Slump Test) – IS:1199
  • Compressive Strength (Cube Test) – IS:516
  • Flexural Strength (Beam Test) – IS:516 (Part 5)
  • Pavement Thickness (Core Cutting)
  • Surface Regularity / Texture Depth

6️⃣ Additional / Common Tests

  • Water Quality Test – IS:456 / IS:10500
  • Reinforcement Bar Tests – IS:1786
  • Geotextile / Geogrid Tensile Strength Test
  • Temperature / Weather Records

Looking for detailed procedures? Explore our complete testing guides below 👇

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