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  • Users: sandman21
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  1. sandman21

    Concrete discoloration

    They have pulled some forms from some architecturally exposed wall. Two issues were clearly visible concrete discoloration, appears to be improper curing of the concrete. However, one issue I have not run into, color banding, at about the location of the pour a darker strip of concrete appears...
  2. sandman21

    Slab on grade, crushed agg. base

    I have an issue with compaction requirements for a crush aggregate base, we currently have no requirement. I have not been able to find information on whether there is even a compaction requirement for crush aggregate or aggregate under a slab on grade. I have looked in ACI 302 but it was no...
  3. sandman21

    Rebar Welds

    Are the welding details in AWS D1.4 98 Figure 3.5 (D) a C.J.P weld to a plate prequalified? Thanks
  4. sandman21

    R, Response Modi. Coeff. Special Masonry Shear Wall

    I have a very interesting question code question. In ACI 530.1-05, ASD is there any provisions regarding the use of wall piers or columns in the lateral resisting system? ACI 530.1-05 Chapter 3 Section 3.1.3.1 talks about how much load can be taken by wall piers and columns, no more than 20%...
  5. sandman21

    Ford Ranger

    Does anyone know the material used in the frame for 87-06 Ford Ranger’s? Also does anyone know if the frames where heat-treated? I am hoping someone can at least point me in the right direction that would be great. Thanks
  6. sandman21

    Orthogonal Combination + Drift

    When calculating drift per ASCE 7-05 Section 12.8.6, is the orthogonal combination from section 12.5.3.A used when determining drift? It appears that it does not need to be added but I wanted other opinions on the matter.
  7. sandman21

    Load to A.B.

    I am using this detail as a hold-down at the end of a shear wall. I got a comment on how I determined the load in the bolts; I tried a few different methods and got fairly close results. I was just curious on how you guys would determine the load in the bolts.
  8. sandman21

    Anchor Software

    I feel bad for asking this because I have seen the same topic come up before, but for the life of me, I cannot find it. Does anyone have recommendations for anchor design software? I have looked at DSAnchor, Simpson, and Engineering International spreadsheet. The software needs to design...
  9. sandman21

    Vortex Shedding

    In ASCE 7-05, you cannot use the analytical procedure if your building has crosswind loading, vortex shedding, etc. Can anyone provide an explanation as to what vortex shedding is? Thank you

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