LABORATORY TESTS

MECHANICAL TEST

High Strength deformed steel bars & Wires for Concrete Reinforcement

• Technical Strength
• Bend & Rebend Test

CEMENT

• 10% Fineness sample by Dry Sieving method
• Standard Consistency
• Initial & Final Setting Time
• Soundness by Lechatelier’s method
• Compressive Strength for 3,7 & 28 days
• Specific Gravity
• Fineness by air permeability method

AGGREGATES FIINE

• Sieve Analysis
• Specific Gravity
• Water absorption
• Bulk Density
• Bulking
• Materials Finer than 75 microns
• Percentage of voids
• Silt Content

AGGREGATE COARSE

• Sieve Analysis
• Specific Gravity
• Bulk Density
• Flakiness Index & Elongation Index
• Water Absorption
• Aggregate Impact Value
• Aggregate Crushing Value
• Determination of 10% Fineness value

SOIL

• Moisture Content
• Grain Size Analysis
• Atterberg Limits
• Specific Gravity
• Free Swell Index
• Evaluation of Shear Strength Parameters –
• Direct Shear Test
• Triaxial test
• Unconfined Compressive Strength
• Compaction Tests (Light & Heavy)
• California Bearing Ratio
• Consolidation test
• Hydrometer analysis
• GPR – Ground Penetrating Radar (Geophysical Services)

ROCK

• Point load test
• Unconfined compressive strength

CONCRETE

1. Concrete Mix Designs

• Micro Concrete
• Self Compacting Concrete
• Silica Fume Concrete
• Metakaoline Concrete
• Special Concrete required for Specific Structural Members

II Compressive Strength of –

• Concrete Cubes
• Concrete Cores
• Hollow Blocks
• Bricks

  III Permeability of cement mortar and concrete IV Concrete cores & cubes

• Water absorption
• Block density
• Hollow Blocks
• Bricks

BIITUMEN

• Penetration
• Specific Gravity
• Ductility
• Softening point
• Flash and Fire Point
• Viscosity
• Marshall stability
• Stripping value of aggregate

BRIICK

• Water absorption
• Efflorescence
• Dimensions

HIGHWAY I Mix Designs

• Granular Sub Base
• Wet Mix Macadam
• Bituminous Macadam
• Dense Graded Bituminous Macadam
• Semi Dense Bituminous concrete
• Bituminous Concrete

II Binder Content Determination of Bituminous Mixes III Density of Compacted Bituminous Layers IV Optimum Moisture Content, Maximum Dry Density, California Bearing Ratio of Borrowed samples and existing samples. BRIDGE

• Bridge load test (load carrying capacity of bridges)
• Rehabilitation & consultancy services
• GPR – Ground Penetrating Radar (Geophysical Services)

 FIELD TESTS SOIL Geotechnical investigation: Borehole Drilling using Auger/ Mechanical Rig, Collection of Disturbed and Undisturbed samples for testing the same for different Parameters in Laboratory.

• Standard Penetration Test,
• Dynamic Cone Penetration Test
• Plate Load Test.
• Plate bearing test

HIGHWAY

• Non Destructive Testing of Flexible Pavement by Benkelman Beam Deflection Technique.
• Determination of Filed Dry Density by
• Core Cutter Method
• Sand Replacement method
• Binder Content Determination of Bituminous Mixes
• Rate of Spread of Binder
• Extraction of Bituminous Cores for Determination of Compacted Density
• GPR – Ground Penetrating Radar (Geophysical Services)

CROSSHOLE SONIC TEST

• The ultrasonic crosshole testing on piles is conducted as per ASTM D 6760 – 2016 “Standard Test Method for Integrity Testing of Concrete Deep Foundations by Ultrasonic Cross hole Testing”.
• The ultrasonic crosshole system is the most accurate and reliable technique for assessing the integrity of deep foundation elements, this test is fast and provides accurate field measurements.
• Having 2-channel system
• Two probes of trans-receivers (six profiles) to be pulled at once for ease and efficiency of data collection
• Able to assess concrete quality and consistency of deep foundation and other cast-in-situ concrete structures
• Performs real-time analysis on site, as well as data transfer with CHA-W reporting software for additional analysis