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Recent content by Angre

  1. Angre

    Design of Sliding Door for TNT Explosion

    Please look at this URL https://www.youtube.com/watch?v=DfkGLua6bm4 for fabrication aspects of blast doors.
  2. Angre

    Sealing designs produced in India?

    ironmon, havesealwilltravel's last sentence sums it up "Stamping drawings prepared by people who are not under your supervision at the time of the drawings creation is unethical and degrading to the engineering profession.". As per comment made by rapt, you can sort of "act dumb" and keep on...
  3. Angre

    Design of Sliding Door for TNT Explosion

    thaidavid40, You are right, the client has expressed preference for swing doors over sliding doors. I feel that with sliding doors, the design of iron mongery would be simpler. Haynewp, along with leaf, we have to design for door frame, hinges and bolts. We get the forces acting on these items...
  4. Angre

    Design of Sliding Door for TNT Explosion

    Found a way out. ABAQUS Examples Manual has a similar problem solved along with the model files.
  5. Angre

    structural analysis software

    I found SAFI , a canadian software to be a good candidate for small to medium scale firms. The user manual is compact and written in a nice engaging style.
  6. Angre

    structural analysis software

    Hello MillR, I would suggest that any software that you are going to use should have two characteristics for effective post analysis 1)Selective reporting about the design, selectiveness being defined by the user and not a drop down list supplied by the package 2)Some sort of easy scripting...
  7. Angre

    Design of Sliding Door for TNT Explosion

    I've come across designs of doors with filled with concrete, but they were designed for about 5 atm (~50 t /sqm). This case though is far more than 5 atm. 1gibsons suggestion though meant in jest, does indicate some way forward. May be a damage absorbing replaceable cladding is the way forward...
  8. Angre

    Design of Sliding Door for TNT Explosion

    Hi IRStuff, I've done some Web Search and come across Sadvosky's equation.It is a three term eqation with dominating term of 7.0*TNT weight in kg/(distance in metres)^3 = 7*50/.5^3 = 2800 atm This is almost impossible to design to. I'm pondering over the matter, as to should I inform the...
  9. Angre

    Design of Sliding Door for TNT Explosion

    Hi All, We have a request from client to design a sliding door system to resist explosion from 50kg of TNT at distance of 0.50 m. Now, I'm familiar with designing for blast resistant doors in petrochemical facilities, but this is something entirely different. Are there any design guidelines...
  10. Angre

    Formwork

    The way I see the basics of this solution can be explained by the following table: Storey Load Capacity Shoring Remarks 10 100 0 100 Concrete is fluid no strength Use 100% support 9 200 100 100 66% of strength developed use 100%...
  11. Angre

    ASCE 7-05 Effective Wind Area

    Hi Heck83, For smaller areas, we take the so-called "lesser time average".Let me explain. The wind velocity to be taken is a function of height( well understood by all) and time t(not so well understood. Let me illustrate with an example. Given :- Wind velocity Vbasic of 35 m/s at 10m above...
  12. Angre

    Fabrication of a tubular cone transition piece

    Hi all, Thanks for so many comments, siggestions and observations. I specifically want to know about the following. With the 1 girth weld ,2 staggered longitudnal weld, will there be any potential issue ? Like uneven contact along the girth resulting in weld of bad quality. The Cone will support...
  13. Angre

    Fabrication of a tubular cone transition piece

    Hi, I have a query regarding fabrication of Cone transition piece. the cone transitions from 2000 mm to 1200 mm.the cone height is 3600 mm As per contract, only a single longitudnal seam is allowed. The fabricator cant roll such a long section, so he is proposing to roll the section in two to...
  14. Angre

    Consideration of Weight of Soil Plug in tubular Steel pile

    Hi Retrograde, The formation of plug cannot be ruled out. Such "plugs" can form even in diameters as large as 20m.Iam thinking of cement silos and design of silo walls. Rgds Angre.
  15. Angre

    Consideration of Weight of Soil Plug in tubular Steel pile

    Hi SlideRuleEra, You are right that if plug is formed at the toe, soil will not enter the pile. This though is not easy to ascertain(and convince others).We cannot justify as to when and when not a plug gets formed. So to be on safe side, it is assumed that all of the pile is filled with soil...
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