Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations KootK 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: Riz
  • Order by date
  1. Riz

    Design, Build, Operate and Transfer Agreement

    I will be grateful to receive a standard DBOT Agreement for a construction project.
  2. Riz

    Bubbles after Lamination of Glass

    The bubbles are in the form of a smeared lamination. It does not seem to have anything inside.
  3. Riz

    Bubbles after Lamination of Glass

    The lamination sandwiched between a pair of glasses prepared in a room having a window unit air conditioner and a humidifier gives off bubbles after 4 months. The autoclave is in very good condition for the heating process. I anticipate the prep room may require a review. The walls are timber...
  4. Riz

    Helical Stairs

    Hi, I have prepared the analysis on an excel spread sheet. Post your email and highlight area of concern/difficulty!
  5. Riz

    maximun rebar spacing in shear walls

    The area of reinforcement provided has to be re-checked against what was allowed for in the design if one wants to substitute rebar size. The spacing between rebars are a function of, amongst many, the following: Concrete crack control; Congestion of rebars; Tension or compression face of wall...
  6. Riz

    continuous beam on two spans

    Try Beam 2d downloadable at www.orandsystems.com site.
  7. Riz

    truss analysis when load is not at panel point

    1. Check local bending of the member stressed and also transfer load to adjacent nodes to determine axial loading. This will assist in reinforcing the existing members as well joints. 2. Another way is to model it. Use of a good software!
  8. Riz

    live load computation for bridges

    You may visit and download free software from the following sites: www.compact.org.uk or www.shef.ac.uk/~compact Its a computer aided training site worth evry inch. Good luck
  9. Riz

    Correlation between SPT, CBR and DCP

    Typical correlation between DCP and SPT values: DCP value in mm/blow SPT value blow/300mm 5 50 6 44 7 38 8 33 9 28 10...
  10. Riz

    determing preconsolidation pressure - alternate method

    The swelling potential of sample in the oedometer and the load required to carry out subsequent stress loading does accurately give you the preconsolidation pressure. Its a very reliable method for over consolidated soils.
  11. Riz

    one way slab / two way slab, which one is better?

    Concrete permanently immersed in sea water is attacked less than that between tides. Sufficient cover is between 50 to 75mm. the later is preferred. Cement type and content is also important.
  12. Riz

    Plastic Fibre Reinforcing

    Try checking with www.fibermesh.com They have pertinent details. Additionally, I would be worried with any claim that supports its fire resistance capability. Of interest would also be a 4 year study was carried out on the "effects of Polypropylene fibers in reducing corrosion of rebars...
  13. Riz

    Which plasticiser?

    Its also advantageous to discuss your problem with Sika (http://www.sika.com ) or vandex. They produce specialist admixtures like Palastiment BV 40 etc. I used a certain plasticiser (can't remember name) about 10 years back but the trick also is in vibration aspects and on items mentioned by...
  14. Riz

    Floor Vibration Design Procedure for Concrete Frame Buildings

    Lets start with the following site: www.nrc.ca/irc/practice/gen4_E.html & than the National Building code of Canada
  15. Riz

    comparative check calculations wanted

    Remember type of analysis and member properties play a significant role in any output. I have run your problem on a grade 25 concrete beam 250mm X 600mm. Corresponding results obatined from any sw should have very little variation (less than 1%). There must be some problem in your other sw. **...
  16. Riz

    Silo design question

    www.amazon.com, search roger westbrook and wrruuum u get it. 56$ and ready to ship in 1 or 2 days.
  17. Riz

    Trimmer bars at re-entrant corners of slabs

    Institution of Structural Engineers' design manual (British)has a prescription as well: 1. Area of rebars interrupted by openings in slabs ahould be replaced by an equivalent amount half of which should be placed along each edge of the opening. Diagonals bars are thus calculated accordingly. 2...
  18. Riz

    Trimmer bars at re-entrant corners of slabs

    Institution of Structural Engineers' design manual has a prescription as well: 1. Area of rebars interrupted by openings in slabs ahould be replaced by an equivalent amount half of which should be placed along each edge of the opening. Diagonals bars are thus calculated accordingly. 2. For...
  19. Riz

    Silo design question

    If u r familiar with BS8110, than look for Structural Engineering Design in Practice, Roger Westbrook,Construction Press. It has a blueprint of Silo design for begginers.
  20. Riz

    negative skin friction

    Its yet to be proven. I will appreciate to learn about source of your information. Negative skin friction occurs when soil pulls down the pile. Regions mostly effected are where u have incompletely consolidated soft caly, silt or organic soils. Normally fill and on grade supported slab cause...

Part and Inventory Search