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  1. versaengine

    paving over structural horticultural soil

    I am a geotech working for a landscape architect. He wants to use a designed "structural soil" that is root friendly for trees to be planted within and adjacent to paved areas- usually residential fancy driveways and parking, includes precast concrete interlocking pavers, Portland...
  2. versaengine

    concrete slab on grade evaluation

    To all: thank-you all for the excellent comments. first to some of the questions raised: This is a rural area with no permits or inspections. The original slab design was 5" thick with 6x6,10/10 wwm. but the contractor and owner changed the design to 4" with fibermesh but did not adjust the...
  3. versaengine

    concrete slab on grade evaluation

    Trying to decide what to do. Called in to evaluate cracks in 3 month old floor. Here is the situation. Pre-engineered metal building on concrete footings with concrete slab on grade floor. Building will house a community building with a ballroom, small kitchen, basketball court, bathrooms and...
  4. versaengine

    Retaining wall bracing

    Hi. I doubt the tree is the cause of failure. I advise do NOT brace with existing building. I didn't see pictures, are there actual photos? What is above the wall. There is a new method of stabilization, a variation on soil nailing where a track-hoe fires a large nail on a pattern, I would...
  5. versaengine

    settlement diagnosis

    I am looking at 1/2 of a duplex house with severe differential movement and recurring interior cracking. One story wood frame, stucco, on poured concrete basement foundation on stip footings with rear walk-out to grade, with slab on grade garage attached to front. House has a common concrete...
  6. versaengine

    residential foundation settlement review.

    looking for opinions regarding two approaches related to the use of elevation surveys in determining if a foundation needs stabilization. My "competitor" likes to do a relative levelness survey and assumes the house was built level. Depending on the conditions and how much the house is out of...
  7. versaengine

    shear surface location

    Thanks to Focht3 for helpful comments! I have read and appreciated many of your posts and was hoping you would respond. If an engineer was designing a stabilizing buttress for a slope failure and the client cannot afford inclinometers (fairly common in my experience) and if the subsurface...
  8. versaengine

    Geogrid Mechanical Connection

    I remember using a 1-inch diameter Schedule 80 PVC Pipe. I believe this is what Tensar recommended, but this should be verified with Tensar. In general however, determine the max load in grid per amount of bar length equal to grid longitudinal strand spacing and analyze as a continuous beam with...
  9. versaengine

    shear surface location

    Looking for any sucessful experience in slope failure surface LOCATION methods other than inclinometer, including: Tme Domain Reflectometry (TDR), "Go-No Go" tubes or any others
  10. versaengine

    wood truss with metal plate connectors

    I am trying to find a way to analyze metal plate connected wood trusses. Specifically I want to be able to estimate the load in a given member to check a repair design, to estimate forces and moment at a joint to check a gusset repair, or to be able to analyze a "home-made" truss to...
  11. versaengine

    Book or guidelines for joint spacing in retaining walls

    check out the crsi (concrete reinforcing steel institute) handbook.

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