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  1. MGMtulsa

    Longitudinal Reinforcement for Torsion, ACI 318-14, 9.6.4.3 - Units

    JAE: Thanks for the solution. Your notion of inherent units with the constant '25' is what I missed. You have made me recall such notions that constants can carry units. [dazed] But, that was in the days before spreadsheets and worksheets, of which now units are mandatory. Have a great day...
  2. MGMtulsa

    Longitudinal Reinforcement for Torsion, ACI 318-14, 9.6.4.3 - Units

    Ref: 1. ACI 318-14, 9.6.4.3, equations (a) & (b) 2. ACI 318-11, 11.5.5.3, equation 11-24 Reference 2 limits the distribution of reinforcement, At/s to a minimum ratio of 25*bw/fyt. The distributed quantity is the area of torsional reinforcement and the spacing of the same. bw is the width of...
  3. MGMtulsa

    Strain at 0.002, ACI 318, 10.3.3

    In talking with other engineers, I have found that there is a difficulty in understanding the wording in the ACI Section 10.3.3. The difficulty results in the lack of distinction or understanding between limits and conditions. For example, there is a limit called "compression controlled...
  4. MGMtulsa

    Strain at 0.002, ACI 318, 10.3.3

    I appreciate the responses. Can we focus on the subject of the two questions, i.e. "...it shall be permitted to set the compression-controlled stain limit equal to 0.002." Let's add a question. 0. To what is the 0.002 strain applied? Then the original questions #1 and #2 follow. Thanks.
  5. MGMtulsa

    ACI releases 318-14 Draft for Public Discussion

    The web page first noted shows the closing date as 6/15/2014. It looks like I missed an opportunity to download the draft. I am wondering if there are any changes to ACI 318-11, Section 10.3 - "General Principles and Requirements? If so, could someone reply and provide an attachment to show...
  6. MGMtulsa

    Strain at 0.002, ACI 318, 10.3.3

    I am interested in some discussion. Section 10.3 states the general principles for sections subject to flexure and axial loads and per ACI 318-11, 318-08...-02. Section 10.3.3 states that "...it shall be permitted to set the compression-controlled stain limit equal to 0.002." Questions...
  7. MGMtulsa

    Structure Mag......Code Article

    This thread is generating some off line discussions. 271828 (Structural)sounds a little defensive. The point of the thread is -- Codes are getting Complex -- So if the codes are getting complex, what is the downside? The consensus is running that there is a lot of work being required. And...
  8. MGMtulsa

    Mobile Crane Outrigger Pad Loads

    To Dave Viking PE -- Grove and Terex have been great at supplying pontoon loads. Linkbelt has an excellent internet program for specific models. Signup and you are off and running. JStephen is on the right track (no pun) to determine what a maximum load can be. That is, at tipping, you have...
  9. MGMtulsa

    Slab on Grade

    It sounds like we are trying to address several problems at once. The question asks if doweling is advisable for a slab edge that is supported at a beam. A seismic area is noted. For lateral or horizontal forces (i.e. seismic, sliding, etc.), Sundale makes a good point about a diaphragm...
  10. MGMtulsa

    How can I be a practical structural engineer ?

    To 280275, Catch the nuance: 10 years was only a beginning point at which confidence began to be present along with the doubts and questions. And you are correct, it is not too long. Unfortunately, too many new graduates think they can progress more quickly. Experience is experience and...
  11. MGMtulsa

    How can I be a practical structural engineer ?

    To 280275, You are starting where I started, as a structural draftsman. My first job required 3 months on the boards. A structural engineer needs to be able to draw as a means of expressing his ideas, not to mention knowing how something is going to fit together. School only gives you so...
  12. MGMtulsa

    How can I be a practical structural engineer ?

    To 280275, I wonder if the comment concerning lack of experience is from one or from all interviews? If it is from one, it may be a nice way to tell you he does not have a present position. Sounds like 'dbuzz' has some good advice. Keep looking. Then when you get a job, keep practicing...
  13. MGMtulsa

    Suspended Concrete Porch Slab

    Pharmsmo: JAE is correct in that you need to hire a a structural engineer. You may have a few table and chairs most of the time. But then, there is the one time party that the next owner is going to have and his entire family will be closely gathered for a picture. Occasionally, one reads...

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