Does anyone know of any standards for Acrylic panels or windows? Or are the standards the same for glass windows/panels and acrylic windows/panels? I am working on a project that I am trying to determine whether the damage to the acrylic windows/panels are a construction/manufacturing defect or...
I am currently working on a project for a local university. The project includes the design of an aluminum bleacher/grandstands. My question is for those who have designed bleachers, what typically is the design dead load?
Other than the main beams and stringers (structural steel) all other...
I was wondering if anyone can lead me in the right direction for the allowable bending stress (Fb) of 6061 T6 aluminum? This is my first project designing with aluminum.
Is there a specific code for design that I should follow or should AISC be used other than the physical properties of the...
I have a question regarding the location of a reinforced concrete grade beam. Is there any Fema or Building Code that specifies that the top of the grade beams must be at natural grade level? The reason I am asking is that we have designed a stilt home in a V-Zone that the county is demanding...
I was wondering if anyone can lead me in the right direction for some guidleines for structural condition asessment of fire damaged pre-engineered wood roof trusses? I need to either recommend a repair or replacement of several roof trusses in an apartment building. Some sections of the bottom...
I have discussed this question with other engineers in my office and I can't seem to get a reasonable answer that sits well with me.
So I figured that many of you could provide me with a logically answer that has proof to it other than this is the way I have been doing it for years.
I...
I have a project that we are currently working on in the construction phase. Several concrete compressive strength tests have come back well below our specified at 28 days. Most of them achieved the desired strength at or near 56 days and a couple of them never achieved design strength. For...
I have somewhat of a problem with an existing WF steel building column. Some backgroung info about the column.
The existing building is 5 stories located in Miami. The floor system consists of bar joists, metal deck and 3-4" of concrete. The columns are roughly spaced in a 25'-0" grid. The...
I have a question regarding a masonry retaining wall that "appears" to underdesigned. Without taking the wall and footings out are there any ways to retrofit an existing masonry retaining wall?
The retaining wall is built 100% but has yet to be completely backfilled (approx. 75%). The...
