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  1. Mud Mat as Structural Element | Eng-Tips

    Dec 18, 2014 · A mud mat makes a good all weather working surface, allows accurate placement of the structural foundation rebar, and prevents the structural foundation concrete from being …

  2. Angle of friction for backfill soils | Eng-Tips

    Dec 29, 2017 · Hello everyone, I am designing a cantilever reinforced concrete retaining wall and I need to determine the angle of friction of backfill soil. Since this is not an insitu soil how am I …

  3. Questions about Mud Slabs | Eng-Tips

    Feb 29, 2008 · It is recommended that mudslabs be used for blindside waterproofing under structural slabs. Besides providing a flat working surface, what other benefits do mud slabs …

  4. Shear in Mat Foundations | Eng-Tips

    Sep 25, 2014 · Does anyone have any good references for designing for shear in mat foundations. In particular I am talking about large mats that support multiple shear walls and …

  5. Mat foundation using STAAD | Eng-Tips

    Jul 12, 2010 · I have modeled a mat that is 115' x 83' in STAAD. I have modeled this mat using 4 noded plates and have placed spring supports on the plates using the subgrade modulus. I am …

  6. Specific Requirements for Mud Mat? | Eng-Tips

    Jul 27, 2023 · I have a question regarding the use of Mud Mat to meet the design excavation level. I am working on a deep foundation that is laying on slightly to none weathered bedrock. …

  7. Uniformly Distributing Point Load from Crane Outrigger

    May 4, 2016 · 3) Steel rigging mat - The W6x15s spread the 5.97 kip/ft 2 UDL along the 8' pad length. Per Lomarandil 's comment, the mat starts to spread the load across the width of the …

  8. subgrade modulus to spring stiffness | Eng-Tips

    May 4, 2008 · I have a question about how the subgrade modulus relates to the assumed spring stiffness of a soil. I have a rather large mat foundation to design (using a beam on elastic …

  9. Rebar Placement Tolerance | Eng-Tips

    Sep 24, 2014 · I have a foundation plan that has a foundation that has a top and bottom rebar mat. The plan just says that the rebar has to be minimum of 3" of clear cover. I have the …

  10. 2-way foundation mat - rebar distribution question | Eng-Tips

    Jun 11, 2008 · I'm looking for eaveryone's thoughts on proper rebar detailing for a foundation mat slab that was designed as a two-way slab. There are additional bars called out for the …