Determination of field density using sand cone method. Determination of field density using rubber balloon method. Determination of field moisture content using speedy moisture apparatus. Deformation parameters using static plate load test apparatus. Extracting concrete or Asphalt cores using Coring machine.
Rebound (Shmedit) Hammer Ultrasonic Pulse velocity Crack width determination Cover and diameter of reinforcement using cover meter
Chemical tests on soil & water and aggregates are carried out for construction purposes include the following: Sulphate content represented as Acid soluble & water soluble sulphates. Chlorides content represented as sodium chloride & Chloride Ion. Total water soluble salts (TDS). Organic content. PH value.
Asphalt mix design (Marshall method): Determination of optimum bitumen content. Grading of asphalt mix components. Stability, flow and voids in the mixture. Asphalt tests during pavement execution Stability, flow, density, and voids for compacted specimens. Bitumen content and gradation of extracted aggregates from bituminous mixtures. Comparing the results with the…
Compressive strength of cement or mortar cubes. Fineness modulus using Blaine apparatus. Setting time using Vicat apparatus. Volume expansion using Le Chatelliet apparatus.
Concrete Tests Department: Concrete Trial or ensuring mix design. Fresh concrete tests: Slump test Flow of concrete Air entrainment Compaction factor Initial setting time Hardened concrete tests: Compressive strength of cubes and cylinders Indirect tensile strength (Brazilian test) Flexural resistance for concrete beams.
Materials Testing Department: Validity tests for Concrete or Asphalt. Sieve analysis for coarse and fine aggregates. Percentage of fine material by washing. Unit weight and voids in aggregates. Elongation and flakiness of coarse aggregates. Clay lumps and friable particles in aggregates. Sand equivalent test. Resistance to degradation using the Los…
Soil Testing in the Laboratory: Soil classification in terms of gradation and identification of liquid limit and plasticity Index. Shear strength parameters of sandy soils using direct shear. Shear strength parameters of the clayey soil using unconfined compression. Consolidation parameters of clayey soil using oedometer testing. Compaction characteristics using standard…
Soil Investigation Department: Borings for large depths in soil or rock. Extracting disturbed samples from sandy soils during the standard penetration test (SPT). Extracting un-disturbed samples from clayey soils. Extracting core samples from rock strata with the measurement of core lengths and RQD. Determination of ground water table if exists.…
