Concrete Technology & Management

Service offered:

Evaluation of Concrete Making Materials such as:

Cement and cementitious Materials such as OPC, PPC, PSC, Fly ash, GGBS, Silica-fume, Ultrafine GGBS, Ultrafine Flyash, LD Slag etc. click here for details Aggregates - Complete physical and chemical analysis, Petrography, Soundness and Alkali-aggregate reactivity of Natural aggregates, crushed fine aggregate, recycled aggregate and manufactured aggregate like electric arc furnace slag aggregate etc. click here for details Chemical Admixture: Effectiveness and compatibility studies of Super-plasticizers, accelerators, VMA, Anti washout admixture, Anti shrinkage compounds, water proofing chemicals etc. . click here for details Complete Evaluation of Corrosion inhibitors as per different Indian and international standards like JIS Z1535, ASTM G1, ASTM G3, AASTHO T259 etc. click here for details Mixing as well as curing water & curing compounds.

Workability Measurement of Roller Compacted Concrete

Special Concrete, Advanced Concrete Composite & Standard Concrete Mix Designs:

Ordinary concrete, Standard Concrete, High Strength Concrete using OPC, PPC, PSC, OPC + fly ash, OPC + Fly ash + Silica Fume etc. Development of Special Concrete such as High Performance Concrete, Pervious concrete, Plastic concrete, High Volume Fly Ash Concrete, Self-Compacting Concrete, Pavement Quality Concrete, Dry Lean Concrete, Roller Compacted Concrete, under water concrete, Fiber Reinforced Concrete, Controlled Low Strength Material (CLSM), Geopolymer concrete, Ultra high strength concrete (UHPC)etc. Shotcrete

V-Funnel & L-Box Test for SCC

Mechanical properties and Durability Studies of Concrete Through Accelerated Test:

Accelerated Carbonation test and corrosion rate measurement of RC subjected to carbonation induced reinforcement corrosion. Creep testing and coefficient of thermal expansion of concrete. Stress strain behavior of concrete and determination of Poisson’s ratio for concrete. Water permeability test of cement mortar and concrete.. Chloride induced reinforcement corrosion through test like chloride immersion test, impressed current voltage test, ASTM G 109, ASTM G1582. Abrasion resistance of concrete as per revolving disk method and under water resistance test. Performance of concrete against sulphate attack Performance assessment of concrete exposed to Alkali–Aggregate Reaction and other aggressive environment that causes deterioration of concrete

Abrasion Resistance test for Concrete Creep testing in loaded condition

Studies Undertaken:

Development & Design of high Abrasion resistance concrete in Laboratory & Quality assurance services at site for its production and placement for Maneri Dam Site, Uttarkashi & Ichari Dam site, Uttarakhand. Use of fly ash, copper slag, bottom ash and recycled aggregate in concrete Evaluation of Low Density Aggregates (LDA) and Structural Lightweight Concrete using LDA Study on Use of ferrochrome slag as a fine aggregate (water cooled) and coarse aggregate (air cooled) in concrete Development of high abrasive strength materials for spillway and glacis Studies for Preparation of Specifications and Guidelines for use of Coal based Bottom Ash as Replacement of Fine Aggregate in Concrete. Evaluation of concrete making materials like cement, water, mineral/chemical admixtures & aggregates for alkali-aggregate reactivity and other properties for hydroelectric & thermal power plants (more than 25 projects per annum). Concrete mix proportions for various grades of concrete for different projects across the country (more than 150 mix designs per annum). Investigation on application of Carbon Nanotubes for improving performance of cement concrete and concrete based precast building products Durability Studies on PSC made using composite slag (mix of BF slag and LD slag). Development of Ultra High-Performance Concrete (UHPC) – Including use of Nano Technology for UHPC. Fresh hardened and durability performance evaluation of concrete made with Portland limestone cement (PLC). Studies on Mechanical and Thermal Properties of Mass Concrete Durability test on hardened concrete to ascertain the suitability of aggregate to be used in concreting work of tunnel lining for hydroelectric project Performance and durability assessment of crystalline water proofing compounds for structural use

Corrosion rate measurement & Carbonation chamber Abrasion Value Test for Aggregate