We are performing remodeling work for a one-floor wooden building in New Jersey, US built in 1957.
One of the tasks is to evaluate the existing roof capacity for possible additional loading.
The existing roof is 2x10 rafters at 16" OC across two spans of 17' and 15'. The roof has an 11/16 to...
How to calculate the cross-sectional moment capacity of a composite metal deck with concete and wire mesh?
I have a renovation project which needs to evaluate the existing composite deck with new mechanical units hanging underneath the deck.
After comparing with some catalogs, it has been...
In my area, building engineers typically indicate "unfactored column loads" in column schedule under each column.
1. What are these column loads for? Who will use these loads and for what applications?
2. What should be included in this "unfactored column loads"? Pu = 1.0DL + 1.0LL?
3...
We are designing a scissor ramp garage with 200'x60' dimensions. As usual, the shear walls are located at the center of the garage as two "T" shapes. The tips of the "Ts" are columns with spread footings.
This setting helps the soil pressure at tips of shear walls. It also helps to resist...
Does anyone know how to get CADD details for PT Slab-to-Shear Wall Joint Details? Please help.
This is our first time to use shear walls along with post-tensioned slab. We have a 200'x60' scissor ramp parking garage. The elevated slabs are all post-tensioned. The shear walls are located at...
I have a building in Maryland with the following information:
1. Three levels underground parking garage
2. Street level is a retail space
3. Second floor is a 14" thick concrete transfer floor
4. Four levels wood apartment building above the transfer floor.
I am using RAM RSS and Concept to...
I am working on a concrete flat plate parking garage using post-tension tendons. The columns are 27' CC with a slab thickness of 7.5". This project is located in Washington DC area.
Traditionally, if we have beams and girders, we can design concrete frames to resist lateral loads. How about...
