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  1. Ganesh Persaud

    AASHTO Specifications for Sprayable Waterproofing Materials on Bridge Decks

    Hello, everyone! I’m currently working on a cable-stayed bridge project and diving into the AASHTO construction specifications to identify the minimum requirements for materials used in concrete bridge decks. Specifically, we are exploring the use of a sprayable waterproofing material to apply...
  2. Ganesh Persaud

    Test on completion of a newly constructed cable stayed bridge

    Hi everyone, I have reading AASHTO to determine the procedure and requirements for load testing (test on completion, also know as the acceptance test) prior to giving use to the public service. However AASHTO is not clear on the requirements for this acceptance test. My last project, the...
  3. Ganesh Persaud

    Tie Wire for Concrete Bridge Girders

    IS there a specific codes from AASHTO or ASTM that would suggest the diameter of Tie Wire that's a minimum requirement for in-situ bridge girders. I have looked at ANSI/ASTM A82, they just referenced the cold drawn steel wire that could be used based on its tensile strength, but I am dealing...
  4. Ganesh Persaud

    Column Design, CSI ETABS

    If your specified column section and main reinforcement are symmetrical in a section cut, the major axis will not change even if you change the rotation of that column. Rebar placement is key in determining your major axis.
  5. Ganesh Persaud

    overhead crane beam

    A cheap check you can do is a MPI, Magnetic Particle Inspection to check weld continuity. There are instances where you are allowed to join beams, these could be joined by splicing beams with a stiffened plate to the web and flanges or bolts. With respect to the welds not being on the drawing...
  6. Ganesh Persaud

    Height Alert Barrier

    Dik a sketch would help out much more than you know it.
  7. Ganesh Persaud

    warehouse design question

    I would suggest doing a steel portal frame, either an IMF or SMF frames. For the slab, 4.7m you don’t need any filler beams however during construction, I would recommend shoring until the 28day strength is reached. In my sketch, I have the blue representing the main frame members and the red...
  8. Ganesh Persaud

    Modify RC column stiffness

    Firstly, what software are you using? Secondly, instead of first increasing the size of the column, check the reinforcement that was specified for the analysis and design of the columns. I’m an ETABs user so I’m familiar with Some of the errors that you might get. Like retired13 said, not sure...
  9. Ganesh Persaud

    Effectibve mass in mass irregularity

    The effective mass in this case would be, for example, building story effective weight lumped at the center of gravity of the building story. If the effective mass during seismic event is away from its center of gravity, you’ll have the irregularities. You could also search within asce7-10...
  10. Ganesh Persaud

    Effectibve mass in mass irregularity

    This is used for the purpose of estimating seismic loads, ASCE requires calculating the effective seismic weight (effective mass) which includes dead load, partitions and permanent equipment, plus 25% of the floor live load in areas used for storage. This contribution of live load as inertia...
  11. Ganesh Persaud

    NBCC Snow and Live Loading on Roof Mechanical Decks

    To be safe you can add the mechanical live and snow live. The asce loaf combination have provisions for these loads. In the load combination the live load (L) on the floor would be your mechanical live and your active live(from persons). The snow load (S) as I’m load combinations are there...
  12. Ganesh Persaud

    Classifying a Moment Frame per ASCE 7-16 Chapter 12

    JAE, I think his senario is if we look at the framing plan, he is basically resting the concrete columns and typically bolted through the lower flange with about 4 bolts. You’ll have a very rigid frame on concrete columns. I’ve actually seen this in use by local contractors here where I live in...
  13. Ganesh Persaud

    Dry Stack - CMU Piers

    I have seen it in use, but for short foundation walls and they are usually reinforced with vertical bars from the footing every core, sometimes every other core. Short wall being from about 3 to 6 unit height. It economical in this instance. Seeing that they are constructing a guide. I think...
  14. Ganesh Persaud

    Simulate sloshing using SPH method

    I have time history data in time (sec) vs Acceleration (g) for xyz directions. The below image is what I've done but there is no actual ref to what I've done to say that it's correct. What's your take on it
  15. Ganesh Persaud

    Simulate sloshing using SPH method

    Creation of the particles is not a problem. I’ve meshed the fluid component and yes I’ve applied a very fine mesh and used the SPH conversion. I ran an analysis of the tank using an acceleration, got the simulation. Model run time was long. My only problem is converting the time history, xyz...
  16. Ganesh Persaud

    ASIC Manual Tables

    All the links were very helpful, thanks
  17. Ganesh Persaud

    ASIC Manual Tables

    is there any link where I can get the chapter 7 tables from the manual? those are the tables with bolt group eccentrics coefficients.
  18. Ganesh Persaud

    ASIC Manual Tables

    Is there a copy of the AISC Manual with all tables softcopy or do we have to request it. (excel table so that one could use to link spreadsheets)
  19. Ganesh Persaud

    Simulate sloshing using SPH method

    How can I simulate sloshing using the smooth particle hydrodynamic method in ABAQUS? Can someone ref me to a sample procedure utlizing time history data. The problem I’m having is how do I input the time history data and specify the boundary conditions to accurately simulate sloshing.
  20. Ganesh Persaud

    Axial Force distribution to flange weld - Stiffened Extended Shear Plate

    The tittle was there. Stiffened extended shear plate. Thank you for your contribution.

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