Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: mann
  • Content: Threads
  • Order by date
  1. mann

    How to put a door into existing masonry wall?

    I need to cut an existing masonry wall and put a 6 foot door in the wall. What construction sequence should be followed? How will the shoring and lintel placement be handled?
  2. mann

    What is a "B" mark on Steel?

    I am looking at the plans for a steel frame and masonry building from 1964. Several of the beams use a notation as follows: 10 B 11.5. Is that a Wide flange section?
  3. mann

    Masonry Wall Damage

    Antennas have been mounted to the walls of the penthouse of a masonry building. There is a crack in the mortor joint about four courses down from the roof. The antenna mounts consist of an angle at the top with two bolts and the same about 3' to 4' below the top. The crack is between these...
  4. mann

    Bridge Widening

    I am looking for reference material on Bridge Widening. Is there a reference that discusses common problems encountered and solutions that were involved. Or does anyone have any personal experiences with widening projects that they could share with me. Thanks.
  5. mann

    Addition of Interior Bent

    I need to increase the capacity of an existing structure by adding an interior bent. The bridge is small, only a 27' span over a creek. How would the contractor add an interior bent without affecting the superstructure? Is it even possible? What design details would help with construction...
  6. mann

    RISA-3D and the PCA design coefficients

    I am trying to compare results from the finite analysis program RISA-3D to the plate coefficients in "Rectangular Concrete Tanks" published by PCA. All of the results from the RISA run seems to be lower than those listed in the PCA charts. Does anyone have any suggestions about how...
  7. mann

    Shear Key effectiveness

    I am wanting to get some opinions on the use of shear keys to increase sliding resistance of retaining walls.&nbsp;&nbsp;<br><br>Does anyone have an opinion on shear key effectiveness.
  8. mann

    Low concrete strength

    A tank foundation was poured and the 28 day compressive strength of some of the test cylinders was less than specified.&nbsp;&nbsp;4000psi concrete was specified and the test cylinder strengths ranged from 2300 psi to 3500psi.&nbsp;&nbsp;How concerned should the owner be?&nbsp;&nbsp;What action...
  9. mann

    Lateral Torsional Buckling

    I have two W8x18 beams that are approx. 14.5' in length.&nbsp;&nbsp;The beams are bearing in a brick wall at one end and are sitting on a 8&quot;x8&quot; bearing pad on a column at the other end.&nbsp;&nbsp;The beams are 21' apart.&nbsp;&nbsp;A 12x24 enclosure has been placed on the two...
  10. mann

    Reinforced Tank Design- The Slab

    How is the tank slab thickness determined?&nbsp;&nbsp;The reinforcing is typically based on the thickness of the slab and I have been able to find references on designing reinforcing for slabs on grade, but nothing on the selection of thickness for the uniform hydraulic loading in a tank.<br>
  11. mann

    Selection of Retaining Wall Type

    Can anyone offer any advise on wall type selection? Is there a book on the market that discusses the pros and cons of the various wall types and when one type would be used over the other. When do you rule out cast in place walls?

Part and Inventory Search

Back
Top