List of Contributions

Vijaya, Hi. Mostly it's because many buildings are in unincorporated areas without governing code or where what's there are out of date or not strictly enforced. There is also the severity issue. virtually no codes contemplate designing for the worst nature can produce for practical functional and ...

Indeed past may not be prologue on the statistics. Folks are cudgeling brains on this. Last estimate I read had future wind events increasing not infinitely but on the order of about 8% or so ... but who knows and on what time scale and distribution. Structurals need to think in terms of a hundred years. ...

Figuring out the intended or implied COV of the distribution in order to come up with a revised partial factor on the load side is going to be a headache if the numbers are arbitrary or not base on some actual data set. Actually the partial factor in the ASCE 7-16 parlance will be one as the risk calibration ...

Odd way to put it if that's all there is - you may want to ask where that comes from. It may intend to speak to the probability distribution of the event(s). It suggests a 6.25-year mean return interval or 16% chance of occurrence per year. US code(s) generally aim for a 2% mean chance of occurrence ...

To the point about aggregates we've used viscosity modifying agent (VMA's) along with additives in self-consolidating concrete (SCC) to keep aggregates in suspension in a thin mix. To your basic point, however, we've also been actively investigating the use of earthen materials as structure. There has ...