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  • Users: boricuastructural
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  1. boricuastructural

    Pulley diameter

    How do I calculate the diameter of a pulley for a given tension in a cable? My force is 20 kips.
  2. boricuastructural

    Underground Concrete Tank

    Im designing for the first time a water cistern. Its going to be 10 ft underground, ist 20ft by 12 ft and its going to contain 10,000 gals. My question is about the foundation, does the ground slab provides the foundation for the cistern walls or it needs independent footings?
  3. boricuastructural

    Pinned top??

    I have a retaining wall that Im also using as vertical support for a 8ft - 6in slab. Then, can I assume a pinned top for the wall?
  4. boricuastructural

    Joint Information

    I want to design an expansion to an existing building but I want it to make it independent of the existing structure. What kind of joint should I use between the old and new slab?
  5. boricuastructural

    Grade Beam

    I have to desgin an eccentric footing on the property line of my building. One of the suggestions for the design was to tie the footings together using a grade beam. Where does it tie them together? At the base of each columns? Or tying the foundations together at he base of each foundation?
  6. boricuastructural

    Eccentric footing

    I have a line of columns on the property line which doesnt allow me to do concentric pad footings. The design wil have to deal with zero length on the side of the property line. I've read about using a combined footing but I dont have another column to do this. I also read about using a...
  7. boricuastructural

    Four sided concrete roof

    Im an entry level engineer and have never designed a four sided roof (i think thats the term in english). I was wandering i you knew where to find information in regards on how to specify the reinforcement.
  8. boricuastructural

    Addition to an existing RC building

    I have a 2-story RC building. A third story will be added an a 14ft expansion. The third story wil be be designed based on the existing columns and stuctural walls. Making a separate structure for the third story was considered but it was eliminated due to economics reasons. My question here is...

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