FORENSIC ENGINEERING


We make use of the latest product technology, diagnostic testing equipment, GPR and -3D laser scanning, video inspections of chimneys and silos, GIS mapping of defects and a systematic approach to solving problems.

Design capabilities for a chimney entail a complete design:

  • Draft calculations
  • Interspace ventilation calculations
  • Natural frequencies
  • Foundations
  • Windshield
  • Supporting platforms
  • Brick and steel flue linings
  • Steel ducts

Design capabilities for a cooling tower entail the following:

  • Shell
  • External columns and internal support structure
  • Foundations
  • Water pond

Industrial engineering

Specialising in all concrete and steel structures:

  • Material handling structures
  • Refractories silos, hoppers and bunkers
  • Chimneys
  • Water and gas ducting
  • Cooling towers
  • Water retaining structures
  • Turbine houses
  • Machine bases
  • Boiler houses
  • Thermal structures
  • All general structures

Structural investigations

Conducting Non-Destructive Testing (NDT) investigations on reinforced concrete for the repair and retrofit of concrete structures, using the latest product technology, diagnostic testing equipment and a systematic approach to solving problems. Services include the following:

  • NDT testing
  • Thickness of material
  • 3D GPR concrete surveys
  • Cover Meter surveys
  • Rebar profiling
  • Carbonation tests
  • Half-cell potential surveys
  • Digi-Schmidt hammer
  • Ultrasonic measurements
  • Porosity and chemical testing
  • Inspections
  • Life assessments
  • Evaluation and prediction
  • Reports and proposals
  • Specifications
  • Quality control.

Forensic engineering

The forensic engineering service ranges from assessing concrete cracking, investigating cracks in steel frames to measuring and mitigating unwanted vibrations or deflections. Nyeleti has unmatched forensic experience in the investigation of a broad range of structures such as:

  • General buildings
  • Industrial facilities
  • Material handling plant
  • Cooling towers
  • Silos, hoppers and bunkers
  • Machine foundations
  • Water treatment plant
  • Refractories
  • Thermal structures
  • Steel, concrete, timber and composite structures
  • Foundations
  • Roof structures.

Engineering mechanics

Nyeleti executes projects that involve the evaluation of loads or stresses on a system or structure, from basic to complicated structures. We make extensive use of computers to perform analyses and to analyse data of all types. Specialised services include the following:

  • Finite element analysis
  • Engineering design evaluation
  • Failure analysis and mode evaluation
  • Structural and thermal dynamic analysis
  • Fracture mechanics
  • Damage assessments
  • Stress analysis
  • Structure lifetime predictions
  • Material constitutive modelling, testing and evaluation
  • Structural integrity prediction
  • Design reviews.

Chimney and cooling tower design

Nyeleti designs chimneys and cooling towers according to relevant national and international standards and code requirements.

Chimney inspections

Flue inspections are done from the inside of the flue by using our high-intensity infrared video camera system. This system consists of a 360° camera view and can zoom in at any defect to assess the extent of a damaged area at any position. The inspection is recorded and forwarded to the client. Specialised services include the following:

  • Internal inspections
  • Structural integrity prediction
  • Structure lifetime predictions
  • Remedial actions
  • Damage assessment
  • Stress analysis
  • Structural and thermal dynamic analysis
  • Cost of repairs
  • Project management
  • Material assessment specifications.

Material science engineering

Nyeleti has in-depth knowledge of materials, combined with unparalleled collective expertise in virtually all areas of structural engineering. Specialised services include the following:

  • Finite element analysis
  • Fracture mechanics analysis
  • Non-Destructive testing and evaluation
  • Experimental stress analysis
  • Laboratory testing
  • Life assessments

Ground probing radar investigations

Ground Penetrating Radar (GPR) offers an accurate, non-destructive solution to mapping the subsurface of the earth to find subsurface features such as pipes, cables, rocks, holes, etc. With Nyeleti’s GPR antennas, it is simple to locate features of interest and subsurface layers in real time. Capabilities by using GPR include the following:

  • Concrete inspection
  • Utility locating
  • Road inspection
  • Bridge inspection
  • Environmental assessment
  • Ice and snow
  • Agriculture and forestry
  • Mining
  • Railway evaluation
  • Forensics

GALLERY


A few photos of typical projects undertaken by Nyeleti's forensic engineers.

COMPLETED PROJECTS


Completed projects with Forensic Engineering

GPR SCANNING


Ground Penetrating Radar (GPR) offers an accurate, non-destructive solution to mapping the subsurface of the earth to find subsurface features such as pipes, cables, rocks, holes, etc.

COOLING TOWER SHAPE DEFORMATION SURVEYS


We design chimneys and cooling towers according to the relevant national and international standards and code requirements. Flue inspections are done from the inside of the flue by using our high-intensity infrared video camera system. This system consists of a 360� camera view and can zoom in at any defect to assess the extent of a damaged area at any position.

EXXARO GROOTGELUK


Laser scanning captures spatial data by the use of Laser light. The Shape, position, and spatial locations of objects are recorded by millions of points. From this complete data set a 3D as-build model can be constructed using the appropriate CAD (Computer aided drafting) programs with an accuracy of less than 3mm. This CAD as-built model in turn can be used to determine any parameters, deflections or structural sizes.

More information on Forensic Engineering Download

More information on GPR Scanning Download

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