The 2009 IBC states 1704.3 Exception 2.1 that Single pass fillet welds not exceeding 5/16" in size do not require continuous inspection. Since IBC defers to AISC 360-10 Chapter N I can't find an exception to continuous special inspections for small fillet welds in Chapter N.
Can somebody help...
I've read through the posts on cables and gathered that the most appplicable equation to use to analyze the the attached schematic is wL^2/8=TH.
T = tension in cable
H = amount of sag in cable
The attached diagram shows the support for a net suspended over some bleachers. The net spans 6 feet...
I need to figure out the ice load on some netting but am getting a nnumber that can't be correct. The equations are straight forward. ASCE 7-10 by the way.
t = 0.5"
Vc = 30 mph
temperature = 15 degrees Farenheit
Kzt = 1.0
Ii = 1.0
Dc = .0945 in.
Per 10.4-4
fz= 0.980
Per 10.4-5
td = .98 inches...
I've been tasked with designing columns for a 4 story building (interior columns only, the perimeter is concrete tilt wall).
Story Height: 15 feet
Floor: Vulcraft VLI composite slab/metal deck with open web steel joists and wide flange steel beams.
Roof: Metal Deck
Column Shape: Square HSS...
For architectural reasons it's better to turn the cees in the direction shown in the attached document. My concern is buckling of the clip angle. Is this wise? How do I calculate the capacity of the clip?
As best I can tell I could approximate the condition conservatively as a cantilever to get...
Does anybody have an example of the deflection calculation for WRI/CRSI Design of Slab-on-Ground Foundations method? I've got a company spreadsheet that had errors and is now (conceivably) corrected and I want to verify my results with a worked out example but can't find one. The calculation, as...
I'm working with a client who had code enforcement tell them their stair handrails needed to be "brought up to code." My interpretation is that any and all modifications need to be made to meet IBC 2009 (current city adopted code). My client thought that just meant adding pickets to create a 4"...
This is an existing building with a column in need of repair. The remaining rust can be scraped and corrosion inhibitor applied. A nearby drain outlet is the cause and will be dealt with.
The column is HSS 6 x 6 and supports about 53k (D+.25L) at the moment. W 16 x 26 beams frame into each side...
I'm assessing an existing 4 story fireescape stair. I can't get an exact year of construction, but based on the evidence presented we're going to assume 1927.
I measured the heads and diameter where I could and here's what I'm left with.
Bolts (square head):
.394"dia. .... head
... dia...
I've been told by my supervisor to "keep looking" for ACI requirements and guidance regarding crack repair vs. crack width (i.e. what width or circumstances require repair?) when I've found none. I've look in ACI 318-08 and the closest guidance I can find is 20.5.3 and 20.5.4. that would...
I'm cutting a couple of existing floor trusses down from 15 ft to 10 ft to create head room for a new stair in a residence (replacing trusses with new LVL or similar is is not possible because there are air ducts in the way). My planned repair is to toenail 3 vertical 2x4 at the end as...
Task is to design a 60 ft span, simply supported, pipe using 20 ft sections and mechanically fastened connections (flanged pipes) to create fixity.
I was looking to DIPRA website for guidance, but the "ductile iron on supports" brochure only supports 20 ft sections with 20 ft support...
