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  • Users: nisha1980
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  1. nisha1980

    Arch Window Lintel

    Hi Can anyone please tell me how to calculate the UDL loads in this arch window lintel . Window is as in attachment below . its about 3m width window Thanks in advance https://files.engineering.com/getfile.aspx?folder=f0305fa1-fa3a-43f1-8be6-d3325a7763a9&file=lintel.JPG
  2. nisha1980

    isolation of Stainless steel bolts and mild steel plates

    hi all Can anyone give me some ideas to desperate these two materials to avoid the risk of bimetallic corrosion . Application is external steel frame roof all roof sections are mild steel flat bars and near coastal area. I would suggest nylon washers. similarly can we have the nylon...
  3. nisha1980

    Wall Bracings

    Hello I am designing a single story steel frame to support the skillion roof over transportable building (modular building) use for change rooms and toilet amenities. Building will be fabricate including the columns inside the walls and according to structural requirement and will bring to site...
  4. nisha1980

    Shear cracks in concrete Beams.

    Hi I am investigating causes for cracks in a 5 storey apartment concrete frame building about 8 years old building . . We have band beams in the ground floor and other all floors we have transfer slabs and no beams. we have identified cracks in beams across the width and ma of 0.35mm crack...
  5. nisha1980

    Bolts Grade

    Hi I have specified Hilti HSC-I safety anchors to fix structural door frame to the concrete wall. the grade of the bolts are specified as min 8.8/S bolts.these will be zinc plated countersunk bolts and still exposed. . they advised they will use 12.9 grade bolts . My question is 12.9 the...
  6. nisha1980

    External steel staircase

    have a small query , if you have an idea please let me know . it is appreciated. i am designing a external steel fire escape staircase as below. columns are pinned . all member connections are pinned . this need some bracing to not to too wobbly when is fully loaded (live load is 4kpa)...
  7. nisha1980

    Garden Trellis for Wisteria Plants

    Hi I am designing a trellis structure for the wisteria plants . 1. When Calculating the wind load on Structure I treated Wisteria plants as a hoarding and 0.5m above the trellis top when its gets matured . Regarding the solidity ratio I assumed its 0.7 to calculate net porosity factor ...
  8. nisha1980

    Load Bearing masonry walls

    Hi I have a 3 storey concrete building to design. This building is use for podiatrist consulting. the columns from ground floor can not continue to other floors because floor plans is different in first floor and columns comes in the middle of the rooms if continue.. I am thinking to start...
  9. nisha1980

    Glazing Roof

    I am designing a Glazing Roof . Model Snap shot attached. it is a crossing roof which has only 4 supports. Length of the cantilever portion is 3.2m. After loaded up the model with dead , live and wind loads, there are local deflection in end members around 100mm . Can any one help me to come...

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