Research and Development

As part of our ongoing initiative towards innovation and performance enhancement in infrastructure engineering, we proposed a Research and Development collaboration with the Indian Institute of Technology –Bombay (IIT-B) focusing on the following two integrated areas:

High Tension Fasteners – Long-Length Bolts and EN-19 Rods:

The study focused on the supply and assembly of ready-made high-tension bolts conforming to IS:4000 (latest), Grade 10.9, or alternatively, machined EN-19 rods fabricated as per approved drawings and specifications to achieve equivalent mechanical performance.

The objective is to:

Investigate material behavior, tensile performance, fatigue resistance, and stress distribution in long-length (approx. 1500 mm) fasteners.
Validate EN-19 as a feasible substitute for Grade 10.9 bolts in special-length applications via heat treatment and precision machining.
Develop optimized assembly methods ensuring structural reliability, pre-load integrity, and torque compatibility.

Fabrication and Assembly of Cyclic Tearing Testing Fixture:

To support experimental validation, we undertook the supply, fabrication, and assembly of a mild steel cyclic tearing testing fixture designed for straight pipe specimens, as per the detailed drawings and Bill of Materials (BoM) provided.

The fixture enabled:

Controlled cyclic loading of test specimens under realistic service conditions.
Evaluation of crack initiation, propagation behaviour, and fatigue life under repeated loading.
Generation of empirical data to support material modelling and structural design validation.

Outcomes of the Collaboration:

This integrated R&D effort significantly contributed to advancing indigenous engineering capabilities, improving design practices, and enhancing the reliability of critical structural components used in infrastructure and pipeline systems.

A validated engineering framework for use of long-length EN-19 fasteners in lieu of proprietary 10.9 grade bolts.
Experimental data and analysis to support fatigue design in pipelines and other cyclically loaded structures.
Knowledge co-creation through technical papers, standard development inputs, and industry-academia knowledge exchange.
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