Hi, checking an existing single-story concrete roof structure built between 1981-1983 in eastern Virginia, USA.
I know that both Grade 40 and Grade 60 rebar was available during that time period.
Does anyone know if Grade 60 was the 'standard' during that time? We don't know the rebar or...
What is the maximum size (length) opening you would allow in Masonry without at Lintel?
The specifics are:
- Clay (brick) masonry load-bearing walls (3 or 4 wythes thick). Old historic building, early 1900's.
- Interior bearing walls (2 storey building with wood floors & roof)
- Penetrating...
Hi, I have been asked to look into an issue in which I have little experience, since I primarily do building design. I will try to explain best I can.
At a wharf retrofit:
- 4' diameter by 16' long Foam Filled Fenders were added
- Behind each Fender, 1" thick UHMW panels were fastened to the...
Working with an existing building and need some input.
1. Exterior Clay Masonry Bearing Walls built circa 1850's - 3 wythes (13" total thickness), 2 stories tall. Some areas of water deterioration & mortar loss that will require remediation, but otherwise brick and mortar in good shape.
-...
Two-way (Flat Plate) slab poured back in middle of December is just now showing cracks in last 2-3 weeks (according to GC).
- 10" thick Flat Plate Roof Slab
- Column bays are 24' x 26' (c-c)
- Cracks have occured on Top Surface only at every concrete column location. Top Cracks follow outline...
What are thoughts on RAM Advanse?
We are a small Structural firm - 5 Engineers, looking to obtain a 3D Analysis Program. Reinforced Concrete Design also a plus. We already have RAM Structural System, Frame, Steel & Foundation. RAM Concrete is 3x as expensive, and it seems like RAM Advanse...
