Hi Friends,
A project under construction has an Insulated metal panel as veneer and the backing is CMU wall. Since metal panels cannot be attached directly to CMU they want to use Hatchannel or furring channel.
In the past, I have used hat channels on the interior only but not on the exterior...
Dear Fellow Engineers,
I have few questions. i am working on a project in Florida where there is moderate aggressive for sulfates to extremely aggressive for steel.
In my specification, i have suggested to Type V cement and because of the nonavailability, the client is requesting if we have...
Dear Fellow friends,
Do you know any way of checking a single angle for prying action for uplift. Any spreadsheet or design example. i have a very small angle that i need to check for uplift and prying action.
I am tiring to use AISC but its mainly giving for T shape. I can use double angles...
Hi, Structural tech friends,
I have a client who is asking me to design support for a 36" diameter water pipe crossing two creeks and a railway crossing. For the railway crossing, i am just maintaining the bridge heights and column spacing so that i don't have any issues.
for the pipe...
Hi Structural Engineers:
First of all thanks to all engineers who are helping hospitals/clinics/urgent care for analysis and upgrades to help covid patients accomodation.
I have a two-way flat slab supported by concrete columns and perimeter beams.
The contractor made openings in the column...
Dear Friends,
I am working on a project where we have 6" hollow core planks with 2" topping. This building is built in 1985 south of Georgia. The planks are nontypical width of 40" and 36" wide. I was trying to find any load tables and am unsuccessful. Do any of you have historic hollow-core...
Dear Fellow engineers,
I am not an expert in forensic engineering. Can someone help me with the following?
There is an existing building where the contractor is doing some renovations to replace windows in kind. NO structural changes to the building.
They noticed caracks in the building. They...
Friends.
Structurally I have called for two-sided gyp board on a wood shear wall. Apparently, architects showed the same but on one side they had a resilient channel on the face of the wall stud and then gyp board. This side of sheathing will not help me for the shear values.
Now i have to...
Hi all. Firstly Happy holidays and advance Happy New year wishes to you all and the blog.
Question: i have a building with progressive collapse design.
dead load is 50 psf and live load is 40 psf.
i calculated sigma LD steel as 3.8 deformations controlled and for force controlled its 2
by...
HI Friends,
I am currently analyzing a building for progressive collapse. The m factors and an increased load is suggested to be placed on the floors. I was wondering if the first option "a" satisfies then is it ok or do we have to check both of them both a and b lines. why is there "c other"...
