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  1. JohnTerry4

    Modular Block Wall With Geogrid Into Bedrock

    I am designing a Mechnically Stabilized Earth Wall Using modular blocks and geogrid reinforcement. Bedrock may be encountered during excavation for the geogrid which would hinder from achieving the required geogrid embedment lengths during construction. Is there a recommended way to anchor the...
  2. JohnTerry4

    Maximum # of Storied for building on shallow foundations on soil

    For all fellow engineers, what is the maximum building height you've worked with where the building was designed with shallow foundations on soil?
  3. JohnTerry4

    Tallest Cantilevered Soldier Pile Wall

    I am wondering if anyone has experience with cantilevered soldier pile walls exceeding 30 feet for a site where Moderate rock is pretty much fully on the active and passive sides. Analysis indicates that moments, shear, and deflections are under control; but I am having second thoughts because...
  4. JohnTerry4

    Heelblock on Organic Soils

    I am wondering if anyone has ever experienced a project where a heelblock must be placed on a very soft organics stratum. Tie-backs are not an option here. What is recommended here? Support the heelblocks on helical piles? Has anyone ever just placed the heelblocks on the organics, since this...
  5. JohnTerry4

    Stormwater System within New Building Footprint: Effects on Foundations

    I have a client who is looking to construct a building to the property lines and wants to construct an open-bottom recharge chamber below the lowest floor level. Besides ensuring the ground has a sufficient permeability rate, are there any other geotechnical concerns from dumping stormwater near...
  6. JohnTerry4

    28 ft retaining wall

    This might be a late response but you should use no-fines concrete which you would only need to go back approximately 11 feet. I use it all the time with property line constraints.
  7. JohnTerry4

    Growing a Recently started Business

    I started my geotechnical consulting company three years ago. I have gotten decent growth, but looking to step things up in terms of building a strong clientele, increasing revenue, and hiring employees; but cannot figure out how. What are some steps one can take to grow company exposure, earn...
  8. JohnTerry4

    Underpinning Concern

    We have a townhouse building that is being underpinned to lower the cellar slab by approximately 4 feet. The existing footing is a stone footing that protrudes into the building by 12-inches. Therefore, Owner is concerned that underpinning will reduce cellar width by 12-inches on each side, so...
  9. JohnTerry4

    Accounting Software

    Does anyone have any highly recommended and comprehensive accounting software for a very small engineering consulting firm with?
  10. JohnTerry4

    LVL Beam Reinforced by Steel Plate

    Okay, so I might be able to attach a steel plate vertically to only ONE side of the existing LVL beam. Is this better?
  11. JohnTerry4

    LVL Beam Reinforced by Steel Plate

    Thank you, but I am unable to do that for logistical purposes, which is why I wanted to install on bottom.
  12. JohnTerry4

    LVL Beam Reinforced by Steel Plate

    Hello, I have a 5.25" x 11.875" LVL beam that is spanning 18 feet that was installed at a project but it is not sufficiently sized to carry the bending forces from the weight above. Therefore, I am considering adding a steel plate to the bottom of the beam as a reinforcement measure, and...
  13. JohnTerry4

    Structural Backfill

    Hello, I am wondering if anyone has experience utilizing structural backfill for a retaining wall? Is it reliable, effective in draining water, etc.? I heard about it from block manufacturers and the system is incorporated in design programs. Here is the design mix: 1. SPECIFICATIONS 1.1...
  14. JohnTerry4

    Waterproofing system for an underpinned building

    Hello, I have a building that its 1st floor slab will be demolished and then 8 feet of soil will be excavated so that the building will have a cellar level. Issue is that the existing footings are rubble (not water-resistant obviously) and these rubble footings will be the new cellar...

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