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  1. Rockjoint

    Slope stability software

    ROCKPACK III by C.F. Watts is great for analyzing rock slopes with or without bolting, etc.
  2. Rockjoint

    Roadway Cross-sections

    I agree with Roadwork, as stated. As long as the plan sheets indicate them, I personally feel it not necessary to place the utilities in all the cross-sections (unless something is very unusual). Also, the numerous instances of improperly located utilities (in my limited experience, I must...
  3. Rockjoint

    Geophysical Methods, detecting voids in clayey material

    With GPR, beware the common problems with clay soils.
  4. Rockjoint

    Review of "Landslides in Practice..." by Derek Cornforth

    I am a geologist, not an engineer. I have access to a copy of this fine text at work, and really enjoy looking through it. It is a most helpful book, and I have seen book reviewers saying that they plan on using this as a primary text for landslide courses. I recommend obtaining a copy if...
  5. Rockjoint

    How to educate oneself on basic hydraulic controls/systems

    I give sincere thanks to each and every contributor on this discussion forum. THANKS TO ALL! -Rockjoint
  6. Rockjoint

    Soil Classification

    ..."the opposite of 'well-graded' is 'poorly-graded'..." Also, the opposite of well-graded is poorly sorted, to the geologist, indicating a wide range of grain sizes.
  7. Rockjoint

    Excavation in Rock

    The metavolcanic rock may be quite hard and offer considerable bearing capacity for your footing load. However, the fractured nature may detract from its suitability. At a minimum, I would investigate the fracture density for sure, and determine how favorable the rock structure is with respect...
  8. Rockjoint

    Attaching rotary mower to backhoe

    Patdaly, thanks for the comment. I am sure this will be a "fun" time when using the mower. I wonder if there is any way to valve the hoe arm in a special manner to provide action similar to a spring... (you guys can tell I am geotech and not industrial/mechanical!). Thanks again. -Rockjoint
  9. Rockjoint

    Attaching rotary mower to backhoe

    Barry1961, Thank you very much for the informative reply. You have given me several things to think about. I do appreciate it. -Rockjoint
  10. Rockjoint

    Attaching rotary mower to backhoe

    I am a novice to the world of machinery and related hydraulics, but I am investigating the idea of attaching a small (3.5ft to 4ft) rotary mower to the end of a rubber-tired backhoe, to be used as needed in place of the bucket. Think in terms of a poor man's batwing mower... If anyone can...
  11. Rockjoint

    How to educate oneself on basic hydraulic controls/systems

    budt, Thank you for the reply. I appreciate the points you made. There is nothing like experience, for sure.
  12. Rockjoint

    How to educate oneself on basic hydraulic controls/systems

    Thank you for the reply. I appreciate the link.
  13. Rockjoint

    How to educate oneself on basic hydraulic controls/systems

    I am wanting to attempt attaching a small rotary mower, powered by hydraulic motor (not PTO), to a rubber-tire backhoe in place of the bucket (such that I can change from mower to bucket as desired). I am trying to make a poor-man's batwing mower, realizing all of the limitations of my desired...
  14. Rockjoint

    Preconstruction Surveys

    I used to work with David Miller and now he has his own firm that does just what you are needing. Contact him as provided below to see what he might recommend... David K. Miller, P.G. President http://www.seismicsurveys.net
  15. Rockjoint

    CEE grad schools in Tennessee

    I agree with alanpaustin. Everyone lately in the media has been suggesting that the Masters degree is indeed the entry-level degree for many disciplines.
  16. Rockjoint

    Slope Stability Software

    I assume you are looking at SOIL slopes. If you need to analyze ROCK slopes, then Dr. Skip Watts' program, ROCKPACK III will be what you need to consider. Check it out at www.rockware.com. Single license at $875 US. Contact Dr. Watts at cwattsva@aol.com for additional information.
  17. Rockjoint

    TDR and Microcontrollers

    itsmoked: From the context of the post, it was most likely The Dragon Reborn. Comcokid and felixc: Thanks for the suggestions. They are most appreciated.
  18. Rockjoint

    TDR and Microcontrollers

    Greetings. Does anyone have experience with TDR for geotechnical applications (e.g., detecting shear plane in a borehole)? Or perhaps TDR knowledge and microcontroller interfacing? I am looking into designing a SIMPLE, portable system for use in the field. I would appreciate any suggestions...
  19. Rockjoint

    Anyone with Resistivity imaging experience?

    ckc8008, I have used a 2D resistivity imaging system many times and have had excellent results, and often excellent correlation with soil borings. I have used ERI in karst investigations, but only limited application. Most of my work has been to identify top of bedrock in sedimentary...
  20. Rockjoint

    Petroleum Contaminated Soil

    Sorry for the additional reply, but this site will describe the actual project to which I was referring: http://www.soilsavers.net/projects/fillingstation.html#

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