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Recent content by BECT

  1. BECT

    Welding Stainless steel plate to CASTING ASTM A216

    Hello, I have job where i am planning of welding a 1/4" thick stainless steel (SSTL 304) over the top of the hook . The hook material is ASTM A216, WCB.Any thoughts? .Any potential for cracking?See attachment Thanks Regards
  2. BECT

    Portal Frame:Eave member

    Thanks Milkshakelake , I will try my best to get hold of manufacturer or else will take measurements you suggested. Thanks once again for your suggestion. Regards
  3. BECT

    Portal Frame:Eave member

    Hello, I am doing analysis and design of existing pre-engineered steel building based on current codes. The drawing shows 80X5E14 part no. for A eave member. Its like a C Shape ( with different top and bottom flange width) but from part no. I am not able to tell the size of the section like...
  4. BECT

    Section properties of industrial steel Rack

    Hello, I am looking for section properties of industrial steel rack ( Uprights/ box beam and brace ) . For the box beam and the brace , I can use section modular of SAP but the geometry of uprights is not straight forward. I am thinking of modelling a U shaped section in SAP for the uprights...
  5. BECT

    Historical residential roof composition

    Thanks bigmig, I am interested also to see others take on it but if these 2x6 runners are placed next to each other over the joist creating a gap that would make lot sense to me.
  6. BECT

    Historical residential roof composition

    Hello, I am not into wood construction but just come across a drawing where new solar panels are going to be installed . I am looking into the historical drawing (1980 house)and the roof is composed of cedar shakes,15#felt , 2x6 spaced strapping , 2x 12 roof joists @16" oc ,insulation and 6...
  7. BECT

    Vertical Grouting

    Hi Hturkak, The pressure is function of liquid head and not the width. Hence if i do in three shots according to you , i am developing pressure of 75/3* 94lbs/ft3=2350lbs/ft2 > 2m (6ft x 94lbs/ft3=564lb/ft2. hence i don't meet the design requirement.
  8. BECT

    Vertical Grouting

    Hello, I am working on a project where we have to perform vertical grouting along the height against the existing concrete. The pdf is attached along with. The total height of the cross section is 75ft. Considering the space we have we selected Sika 212 HP grout. The designer has designed the...
  9. BECT

    Aspect ratio of grating

    Hi Canwest, Yes i am worried about when they will weld banding bar at the perimeter and also can dipping into the galvanizing tank. Will it bow in the middle.
  10. BECT

    Aspect ratio of grating

    Hello, I am looking into a drawing where the designer has shown grating panel as 429 x 2737mm wide and the main bearing bars are spanning in the longer direction. The bearing bar for this panels shown on the are 1-3/4 x 3/8. My question: is there any aspect ratio that one has to maintained...
  11. BECT

    Stuck core Bit in concrete

    Ingenuity, I am installing 11m high steel tower on the spillway piers of the Dam in Ontario. Yes you are correct these are William spin lock anchors to be installed in 10 ft thick pier. we have 4 towers on 4 piers. these towers will support the bridge at the top and the bridge is supporting the...
  12. BECT

    Stuck core Bit in concrete

    hello all, My apologies getting back so late. Thanks to all for the brilliant ideas and special thanks to Ingenuity for penning down all the scenarios. We put extension above the drill bit and tried to pull out with overhead crane but all it did was pull the top extension off of the bit and...
  13. BECT

    Stuck core Bit in concrete

    Hello, We were in the process of coring 64mm dia. hole for Williams anchors. Our core bit stuck when it was 57" into the concrete. I am planning to do additional 75mm hole on top of it and take this core bit out and then grout it back . Once the grout is set , I will drill hole again 64mm hole...
  14. BECT

    Vibrations in concrete structure while concreting

    Hi WARose, Can I have this paper please? Hi STrctPono, The Power house is almost at the toe of the dam and the 5 penstocks are feeding 5 units. The units are 60ft away from where my crew is experiencing the vibrations or the area where I am planning to do concreting . Also there are two...
  15. BECT

    Vibrations in concrete structure while concreting

    hi , I am curious to know if there is any literature available on the acceptance criteria for the vibration in the existing structure if one has to plan to pour new concrete to do some rehab. We are planning to pour new concrete at one of the Dam site in Ontario and crew is experiencing some...
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