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  • Users: serrojo
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  1. serrojo

    Help to find Seychelles Wind and Seismic Code.

    Hello Everyone, I'm an engineer working on a project on Seychelles Island. I'm trying to find information about the building codes that applied to an existing project constructed in early 2010. Actions on structures are mostly what I need. I've been searching online, but I can't find any...
  2. serrojo

    seychelles design codes

    Hi everyone, I'm an engineer working on a project on a Seychelles Island project. I'm trying to find information about the building codes that applied to an existing project constructed in the early 2010. Actions on structures is mostly what I need. I've been searching online, but I can't...
  3. serrojo

    composite steel deck + regular slab connection

    Hi to All! I have found a difficulty finding an example of joint between a regular plain slab and a composite slab. The problem is that I need to create this joint in an unusual place (middle of the span), we are trying to figure out the solution to cast in-situ slab over prefabricated...
  4. serrojo

    ETABS placing wind load on line elements or on each diaphragm pros and cons.

    Hello everyone, I am working with a structural engineer form other company and I am having a hard time to convince him to place the wind loads as concentrated in the diaphragm. I have the impression that there are losses of load when the horizontal load is defined on lines. Could you give...
  5. serrojo

    Modal analysis of a tower.

    Dear colleagues, I have received an ETABS Model created by other specialist, I have to review his model for faults and create e report, it is the first time for me doing this. So I find that the first 3 mode shapes are torsional, and in my experience the most common case is when the 1st and 2nd...
  6. serrojo

    ISO 4354:2009 application guide/examples

    Hello Guys! I am stuck, dealing with the ISO 4354:2009 standard, I see lot of formulas and coefficients it confuses me, so I can´t see clearly if I need to calculate all of them or just some. Looking for an application guide or calculated examples, determining wind loads on a 25 story...
  7. serrojo

    Safety factor wooden roof uplift.

    Hey Guys! I am reviewing a wooden structure, offered by a third party for my project. As wind on slopped roofs produces pressure(windward) and uplift(leeward), I found that the wind uplift is comparable to the self weight of the elements (uplift/self weight=96% approx), so I am worried about...
  8. serrojo

    ETABS is unable to create rendered view when changing to the DirectX mode.

    Hi guys! I have trouble when changing to the directX visual mode. Etabs shows message: Unable to create rendered view. Model window will be closed. I am struggling with it because when I create a big project it is faster to pan and scroll on the results on the directX view. I have tryed: * To...
  9. serrojo

    Deep Beam Maximum Height criteria.

    Hello Everyone! I am working on a 31 story building and my boss insists to use deep beams as solution for the transition from walls to columns (it is a common practice in the office) but not for a 105 meters high rise. today I am trying to prove his theory configuring a deep beam with 8.4...
  10. serrojo

    Help Interpreting Base Reaction. Dead Load case produces huge Moments.

    Dear experts, I need help in defining if my model works fine and displayed the base reaction table: And to my surprise found that my Dead and Live loads (purely gravitational) produce huge Moment reactions. Why if I defined that loads as superficial to floor elements, it comes as moment at...
  11. serrojo

    No Linear Supports in Etabs - Help Needed!

    Dear Colleagues, I am creating a load chart for pile design in a Hotel building, for external consultation. To complete the chart I have to include Columns and Wall forces on the ground level. So I have selected joints under the columns and got the reaction forces. Under the walls the most...
  12. serrojo

    Check out the New ETABS 2016 Release Note!!! Great improvements!!!

    Lock at the new features of the ETABS 2016: Release note here: https://www.csiamerica.com/products/etabs/releases MSc. Eng. Serguei Joa Structural Engineer Bouygues Batiment International, Cuba.
  13. serrojo

    Importance of the Beam "End Length Offsets"

    Hello, I am subscribed to this forum since 2010 and mostly was looking for answers. Today I have learned a lesson from the details in the model: I have spent the whole last week analyzing 45 meter high RC building model that had an issue with some of the beams (later I found out that the...
  14. serrojo

    Prestress membranes for textile roof.

    Hi I´m trying to create a non-linear model for a membrane roof and need a prestress to stabilize the solution, but I don´t know how to introduce them, thank you in advance.

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