Geotechnical, Geophysical & Hydrological Services in Tanzania

Comprehensive Geotechnical and Material Testing Services

Treavic Geosystem operates an accredited, fully equipped Geotechnical Laboratory with capabilities to test soils, rocks, concrete, steel, bitumen, and construction materials. Our laboratory ensures the highest level of precision and compliance with international standards, providing vital data for design, construction, and quality control.

Soil & Rock Analysis

Construction Material Testing

Chemical & Physical Evaluation

Mix Design & Quality Control

1. Construction Material Testing

We provide complete testing for all construction materials to ensure strength, durability, and compliance with design specifications.

✔ Concrete cube & modulus of elasticity
✔ Concrete mix design (conventional & pumpable)
✔ Steel testing (Physical / Chemical)
✔ Cement testing (Physical / Chemical)
✔ Coarse & fine aggregates
✔ Sand, Fly ash, Gypsum, Admixtures
✔ Water testing (drinking & construction)

✔ Fly ash bricks, Pavement blocks, AAC blocks
✔ Masonry & Tile testing (mosaic, ceramic, chequered)
✔ Plywood, wood & door shutter testing
✔ Non-destructive testing (UPV / Rebound hammer)
✔ Core cutting & pile testing
✔ Black cotton soil testing

2. Soil Testing

Our geotechnical soil laboratory conducts a complete range of tests to assess engineering properties and behavior under different conditions.

✔ Natural moisture & density
✔ Mechanical analysis (sieve / hydrometer)
✔ Atterberg & shrinkage limits
✔ Free swell & swell pressure
✔ Direct shear & triaxial shear tests
✔ Consolidation & proctor compaction

✔ California bearing ratio (CBR)
✔ Lab permeability & dispersivity testing
✔ Oedometer & vane shear test
✔ Specific gravity, organic content
✔ Unit weight & field density

3. Rock Testing

We evaluate the strength, elasticity, and durability of rock samples to support foundation and tunneling designs.

✔ Density / Specific gravity
✔ Water absorption
✔ Unconfined crushing strength
✔ Point load & triaxial test
✔ Modulus of elasticity
✔ Brazilian & Direct shear tests

4. Soil Chemical Testing

We perform chemical analysis of soils to determine aggressiveness, contamination, and suitability for construction materials.

✔ pH, Chloride & Sulphate Content
✔ Carbonate & Organic Content
✔ Resistivity & Redox Potential

5. Aggregates Testing

We analyze aggregates for strength, durability, and suitability in pavement, concrete, and structural applications.

✔ Grading (fine & coarse)
✔ Aggregate crushing & impact value
✔ Flakiness & elongation index
✔ Specific gravity & water absorption
✔ Moisture content & soundness

✔ Chloride & sulphate content
✔ Organic impurities
✔ Abrasion resistance (LAA)
✔ Deleterious materials & weathering grade
✔ Alkali-silica reactivity

Laboratory Testing