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Technical Library

• C: Application Notes (cover measurement),
• T: Technical Notes,
• S: Servicing Notes,
• P: Reprints of Papers.

• Application Notes

  • C3:   Bar Resolution and Head Size at various centres-pitches and depths of cover
  • C4:   Congested Situations and how to compensate for them
  • C5:   Measuring Curved Bars Using the CALib Position
  • C6:   Extending Location Capability to go deeper or shallower than usual
  • C7:   Reinforced Concrete Pipes and measurements of the spiral cage
  • C8:   Safety Standard Compliance with relevant BS, CEE and IEC
  • C10:   CoverMaster CM5/52: User Verification of Calibration
  • C14:   Cover Below 30mm Resolution and accuracy using the standard head
  • C19:   Paired Bars with little or no separation between them
  • C21:   Round Mild-steel Bars as compared to ribbed high-tensile bars
  • C22:   More on Bar-Sizing Accuracy; Shallow covers; Mild steel bars
  • C25:   Stainless-Steel Bars which might or might not be located
  • C26:   Operating Principles Magnetic Reluctance versus Electrical Conductivity
  • C27:   Increasing Head Lead Length for greater distance between head and electronics
  • C28:   Underwater Applications. Investigation of bridge piers, jetties etc
  • C29:   Measurement in Corners where it is not possible to put the head over the bar
  • C30:   Cover to Metal Other Than Standard Bars (non-metric, wires, pipes, plates etc)
  • [ 31:   Compliance with Euronorms (in preparation) ]
  • C33:   Investigating Ends of Rebars. Locating the ends; and end-on measurements
  • C34:   Data-logging from a Midget Head Post-processing for true value of cover
  • C35:   New Orthogonal Bar-sizing Method Direct measurement of bar diameter
  • C36:   Size & Cover from Profile Width: Find cover to bar of unknown size by traversing
  • C38:   Bar Sizes & Bar-Sizing Diameter accuracy, and inch/metric conversion tables
  • C46:   CoverMaster CM9: User Verification of Calibration
  • C47:   CoverMaster Batteries NiCad cells used in CM52 and CM9
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• Technical Notes

  • T15:   Effects of Temperature Extremes: and Precautions which can be taken
  • T23:   Magnetic Minerals: Possible spurious signals from magnetic viscosity
  • T41:   The Pulse-Induction Principle: How it works; Comparison with other techniques
    • About Pulse Induction: shorter version of T41 above for NDT-CE
  • T42:   Target Materials: Magnetic/nonmagnetic, good/poor conductors
  • T43:   Locating Wiring in Walls: Cables in plaster, ducts, or conduit
  • T44:   Live Cable Location: Straightforward and not-so-straightforward cases
  • T45:   Batteries: Dry cells & rechargeable: comparison, precautions
  • C47:   CoverMaster Batteries: NiCad cells used in CM52 and CM9

• Servicing Notes

  • C10:   CoverMaster CM5/52: User Verification of Calibration
  • S20:   Trouble-Shooting: Isolate problems, and get back into operation
  • C46:   CoverMaster CM9: User Verification of Calibration
  • S72:   Midget Head Upgrade: Two ways of retrofitting the midget head upgrade
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• Abstracts of Papers

  Abstracts only of the following papers are held on this Web site;  
  for a reprint of a complete paper, please ask for information.
  • P92:   NDT -- "Electronic Covermeters":  Abstract only;  Full Lecture Notes
    Advanced Concrete Technology,
    Dept of Civil Engineering,  Imperial College, London
    ACT Website,  Nottingham University.
  • P93:   "An Improved Method for Measuring Reinforcing Bars of Unknown Diameter in Concrete Using a Cover Meter"
    NDT in Civil Engineering, Liverpool 1993
  • P94:   "Quantifying the Losses in Cover-meter Accuracy due to Congestion of Reinforcement"
    Structural Faults & Repair, Edinburgh 1993;   and also
    reprinted in Construction Repair, Vol.9, No.1, Jan/Feb 1995
  • P95:   "Improvements to the Orthogonal Method for Determining Reinforcing Bar Diameter using a Cover Meter"
    Structural Faults & Repair, London 1995
  • P96:   "Determination of Reinforcing Bar Diameter and Cover by Analysing Traverse Profiles from a Cover Meter"
    NDT in Civil Engineering, Berlin 1995
    Co-authored with Julian Chua and Denis Chamberlain,
    Construction Robotics Unit, Dept of Civil Engineering, City University, London
  • P97:   "Development of Cover Meters for Stainless Reinforcement --
    Two Successful Approaches"
    Concrete in the Service of Mankind, Dundee 1996
  • P98:   "Rebar Location and Cover Measurement to Aid Corrosion Potential Surveys"
    InterCorr/96, 1st Global Internet Corrosion Conference
  • P81:   "Bar-Sizing of Reinforcement in Concrete --
    Comparison of Available Methods"
    NDT in Civil Engineering, Liverpool 1997
    
  • P82:   "Borehole Probes for Locating Tendon Ducts in Concrete"
    Structural Faults & Repair, Edinburgh 1997
    Co-authored with Jon Basten-Pitt, GBG, Cambridge
    

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