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  1. JFCPEng

    Circuit Diagram for Defibrulators, etc

    Can anyone direct me to or provide me with Emergency Defibrulator Circuit Diagrams from the last ten years? I am also seeking Troubeshooting, usage statistics, Hand Manuals, Risk and Hazard Assessments, Training Manuals, etc for a Research Project on Continuous Improvement and evolution in...
  2. JFCPEng

    shrinkage correlations

    Has anyone access to shrinkage rates correlated to other variables including silica fume and w/c?
  3. JFCPEng

    Adding mixing water in the field

    Sorry if I rattled you, but I'm livid when I see on TV another concrete building collapse on sleeping men, women and children because someone signed without considering them. If a worker fell in the pour, you would save him even if you had to stop the pour. 50 years later when the concrete is...
  4. JFCPEng

    Adding mixing water in the field

    "Most mixes will handle 6" slump"! Fine! What if 3" was specified? Do you sign? Cracks, diminished durability, heat of hydration! Oh fine, another Korean shopping centre with 600 dead, or a Chernobyl on a fault line, Hong Kong rail failure. What a loose statement,6" is OK! The question was...
  5. JFCPEng

    Adding mixing water in the field

    The Client owns the job and has the right to reject accepting defective materials at the point of inspection. The cost of delay and material is Contractual and cost is not an Engineering term in design or Specified Quality.Try getting a truck driver to tell a Court the Engineer was wrong. You...
  6. JFCPEng

    Adding mixing water in the field

    Look at the delivery docket from the supplier, and if no record of addition of water is made, reject the batch, or the Supplier(Careful as you may or may not have that power). Often the first few trucks will arrive dry in order for the batch plant to get it right.In this case a tester should...
  7. JFCPEng

    QA on site.

    Hong Kong rail, Korean supermarket, Taiwan, Turkey, Greece, earthquakes and failures! Where are the quality assurance experts on concrete construction? I've spent many years on construction, and still the Architect, the builder, the workers cannot consistently reproduce high quality easily or...
  8. JFCPEng

    Seismic devastation to Concrete

    How do I access actual factual records?
  9. JFCPEng

    Rehabilitation of Borneo forests and erosion control

    What are some tips?
  10. JFCPEng

    Tailings dams

    Geotextile socks filled with tailings.<br> Or blast two sides of a ravine then a "splatter shot" of explosives to face the new earth dam from the "two sides of ravine "shot is pasted with bentonite splattered on face.

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