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Recent content by CONEJO

  1. CONEJO

    Quick Bridges

    I have attached a load testing and rating for a four-span bridge made of railcars. It does a thorough job of showing the effects span length and condition can have on different ratings (HS20, etc.). Also attached is a Transportation Research Board report on Iowa counties adopting flatcars in...
  2. CONEJO

    FRP IN STRUCTURES/BRIDGES USERS GROUP

    Thanks, rowing'; I am looking for information in several areas, but currently regarding the already cured FRP strip mechanically fastened to an unprepared or minimally prepared concrete surface, which seems to be its main selling point, besides low total cost compared to alternatives. The...
  3. CONEJO

    FRP IN STRUCTURES/BRIDGES USERS GROUP

    Is there such a group here or elsewhere? If not, is anybody interested in starting one? I have found growing interest and advances in FRP and related technologies for structural users. What I found lacking is a sort of all-in-one combination clearinghouse, how-to cafe/bar, project showcasing...
  4. CONEJO

    Bridge drawings as security sensitive information?

    Here in Minnnesota, you can access almost all bridge plans online, since they "belong to tha people". Almost, all except for the big bridges crossing the Mississippi River. But y'all are correct: if you are a structural, you can figure out right away the best place to destroy a bridge. If you...
  5. CONEJO

    ASCE 7-05 SIMPLIFIED METHOD - WALL PRESSURES

    Hi gurus - I recently had someone argue that since the wall pressures in ACE 7-05 Method 1 tables are the sum of windward and leeward pressures (given the commentary saying that because of the diaphragms internal pressures cancel out), the pressures for wall design would be split in two because...
  6. CONEJO

    GEOSTRU USERS?

    Hi All. I just purchased a copy of Geostru to analyze mainly tiered retaining walls and similar situations, based on the recommendation of a member of these forums. However, I find it very unintuitive and am stuck. Are there other GEOSTRU users out there who could either lend a hand or maybe...
  7. CONEJO

    URGENT!!! CABLE PROPERTIES?

    Hello gurus - I want to model a guyed structure using FEM. Does anyone know of properties: elasticity, yield stress, etc of steel cable (as well as sizes, types and specs)? Thanx.
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