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  1. mlevario99

    UNREIFORCED BEARING BRICK WALLS

    I have a project, where an existing single-story building from the 50's will be converted into a police station. From the international existing building code if you change the occupancy of the building into a higher-risk category then the structure shall conform to the seismic requirements for...
  2. mlevario99

    STEEL SLOPPED COLUMN

    They did run a string and is a bow, not a kink. The other end of the beam is a shear connection. Kootk sketch makes sense, if the cap plate of the column was not horizontal when they installed the beam on top of the column, and they installed the bolts this will make the column bow the way...
  3. mlevario99

    STEEL SLOPPED COLUMN

    IceNine, Yes, some have less bow.
  4. mlevario99

    STEEL SLOPPED COLUMN

    The bean in the picture is a W24x55, with a 17'-6" back span and a 6'-0" cantilever, the column is a HSS 8.625 x 0.322. So, no, the beam is not undersize nor the column.
  5. mlevario99

    STEEL SLOPPED COLUMN

    The cap plate is 3/4". When I spoke with the erector, they claimed nothing was forced. But for this to fit perfectly, everything has to be precise. Any suggestion?
  6. mlevario99

    STEEL SLOPPED COLUMN

    I have a project under construction where we have some slopped columns. They support a cantilever beam condition. The angle of the column is 75 degrees with the horizontal. The grid of the columns is in a radius. The height of the column, from the finish floor to the top of column is 23'-1"...
  7. mlevario99

    Standards of Seismic Safety for Existing Federally Owned and Leased Buildings (RP 8) questions

    jvvse, even if the building is classified as benchmark because of the code use on the design, the building still needs to be evaluated for Tier 1 for foundations and nonstructural elements, correct? thanks
  8. mlevario99

    GSA SEISMIC CERTIFICATION

    JAE, thanks for your response. I had read some of the requirements and the building is not excempt. Now, the project is not assigned to the architect yet, he is just submitting the requet for proposal, but the government is requeting a seismic sertification to be submitted with the proposal...
  9. mlevario99

    GSA SEISMIC CERTIFICATION

    We recently were approach by one of our clients, and architect, he is going after a remodal of a goverment leased building. He submitted a Request for Lease Proposals, on the proposal they are requesting a GSA seismic certification. Now, our client is going after this project, so he might get...
  10. mlevario99

    Standards of Seismic Safety for Existing Federally Owned and Leased Buildings (RP 8) questions

    I have an Architect that is going after an interior renovation of an existing building leased by the government. The government has leased this building for the past 15 years I believe, and they plan to remodel the inside. The Architect contact us and ask us to help him out, he give us the...
  11. mlevario99

    CMU FLOORS POST TENSION

    This job is in Las Cruces, NM, near New Mexico State University. I am not sure how old is this apartment, but is probably the 1970. The end steel plate is to allow the nut to the threaded and create the tension on the steel rods.
  12. mlevario99

    CMU FLOORS POST TENSION

    The roof is made the same way, the cmu floor extends into to the room, I did not measure the actual distance, but in the middle of the roof there is steel beam supporting past of the floor. There is a top rod like every 48 inches, and the two rods as seen on the picture. The reason I was...
  13. mlevario99

    CMU FLOORS POST TENSION

    Jerehmy, when I first look at the floor, I was sure it was come kind of coreslab, but 16 inches wide, then when I saw closer it looked more like cmu, on the previous picture, the material looks like a cmu, it does not look like actual concrete, look at the attached pic, you can see the blocks...
  14. mlevario99

    CMU FLOORS POST TENSION

    Actually that is what I thought at first, but there are some blocks that already broke, and you can see the cmu block, see this picture. http://files.engineering.com/getfile.aspx?folder=c65dfbee-d61d-40a7-a641-e3b3829cc6ab&file=IMG_5812.JPG
  15. mlevario99

    CMU FLOORS POST TENSION

    Good morning. About a week ago we were contact to go look at some apartments. The apartments are a two story cmu walls. The floors are also cmu, they use some kind of post tension system, I am posting a picture. Well, the problem is, at the end of the cantilever the rods and anchor plates...
  16. mlevario99

    How to repair a HSS steel column in a warehouse

    Hi, I have a client that ask me to look at a warehouse he is renting. Some of the columns have been hit by a forklift, some of them have a hole due to the impact. Other columns have a bent on one of the faces of the tube. Has anyone done any repair on something similar, the columns are...
  17. mlevario99

    Peer Review

    Ok, thank you all for your comments, here is more information. The EOR, is a civil engineer, and most of the work I know he does is civil, in the last few years, he started doing little structural work, but all his experience is civil engineering. My old boss had to revised some of his...
  18. mlevario99

    Peer Review

    A General Contractor is doing a school where they are the CM at Risk. We were not the EOR of the project, but we know both, the Generral Contractor and the Architect of Record. The contractor came to us, and ask us to do a peer review of the construction documents, what is the right thing to...
  19. mlevario99

    Open-Web Steel Joist under Blast Loading

    I am designing an elementary school inside a military base, this is actually a site adapt, but now I need to check the structure for blast design. The roof joists span more than the 30' specified under the UFC 4-010-01, so I need to check them for blast loading. I have access to the SBEDS...
  20. mlevario99

    DEFLECTION ON TILT-UP PANELS W/BRICK VENEER

    We are working on a project that has tilt-up panels with Brick veneer, is for the goverment. Normally on tilt-up panels your deflection criteria is L/150, on this project they since they have brick they want to limit the defleciton to L/600, which is high for a tilt-up building, not to mention...

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