When we have a group of anchors to concrete, do we typically applied the spacing reduction factor for each bolt around the bolt in question? For example:
If I have 5" spacing between three bolts, with a specing factor 0.75 for this spacing, then the capacity of the middle bolt would be =...
Hello,
I am reviewing some drawings with steel bolted connections. The are some lateral bracings bloted on each end with one bolt. Does anyone know if there is any requirement about minimum number of bolts to place on a connection? A tech in my office says it should be at least 2 bolts, but I...
Hello,
I have to replace a 50 year-old bridge. Only the superstructure will be replace (not abutments). Since this is a new bridge I have to use the current code (CAN-CSA S6-06; this is in Ontario, Canada) which requires the bridge to be designed for a CL-625-ONT, which is over three times...
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I am working with Canadian Standard CSA 086. I want to specify 4x2 joists but when I look at the table 531B for specified strengths for Light frame grades, I do not know what's the difference between Construction Grade and Standard Grade. Anyone who can help me?... Thanks!!!
Hello,
What is the difference between using Elastic Section Modulus (S) and Plastic Section Modulus (Z). I am desigining a base plate which happens to work if using Z, but it does not if using S. I am working usin Limit States Dedign (Canadian Code). Thanks for any input..
Hello,
I would like to know why it appears to be a big difference between the shear strenght calculated following the american code compared to the shear strenght calculated under the canadian code:
American code: Vc=2*0.85*√f'c
Canadian code: Vc=0.65*β*λ*√f'c
where β is around 0.2 and λ=1.0...
