I was driving today and saw this streetlamp with damages in pedestal and baseplate:
https://imagizer.imageshack.com/img923/4829/fqhLQo.jpg
https://imagizer.imageshack.com/img922/8139/PY6ffn.jpg
What kind of failure mode is it exactly? How many days or weeks do you think before the lamp post...
Can you show examples of steel column beam joints in parking structure?
I went to this parking and noticed the joint details. The I-beam 3.2 feet (1 meter) depth and span 65 feet (20 meter) were welded as simple as this.
https://imagizer.imageshack.com/img924/3152/HQq7Mq.jpg...
Can you give example of a one hour fire rating roof?
For bare I-beam w8x21 and C-purlin 2x6" 1.8mm without any fire retardant or fire cover carrying lightweight metal roof. How long before the I-beam would bend and the C-purlin and thin metal roof melt if they were exposed directly to fire...
To decrease dead weight. We don't want to put any concrete or dry pack topping or screed. The floor is level anyway.
This is how the bare slab surface looks like (about 3Mbytes picture so pls wait a while to load up).
https://imagizer.imageshack.com/img923/6611/gM1fyN.png
What can you put so...
About 80 inches (2 meters) of 6" CHB (Concrete Hollow Blocks) need to be added to this parapet, but it has no rebars sticking out.
https://imagizer.imageshack.com/v2/1024x768q90/924/PW4ojr.jpg
This was previous picture showing the rebars sticking out but all already cut now...
https://imagizer.imageshack.com/img924/9141/bA6Llb.jpg
Client needs to have firewall put since it is beside another building. The w8x21 I-beams above columns were already installed as well as 1.7mm thick vertical C-purlins spaced every 0.4 meters apart. The I-beam were to originally carry...