First of all, thanks to shin25, hokie66, and msucog for your responses to my last compaction questions.
I have several questions this time regarding compaction and settlement.
1) If structural fill (most of the time for me it's some sort of crushed limestone, like a road base material) is...
Ladies and Gentlemen,
I have a basic understanding of ASTM D-698 and how the test is performed and how the numbers are calculated. At my firm we usually have notes similar to "The fill shall be compacted to at least 95 percent of the ASTM 698 maximum dry density at a moisture content ranging...
I work in Austin as a structural engineer and we have some areas in town (especially to the east) with highly expansive soils.
The problem with remove and replacing 8 feet of soil is getting the select fill compacted properly. On a house job I would not do this, there is less quality control...
I never thought about the length of a flitch beam before, good question. I guess you'd want the wood to be continuous pieces. It's hard to get 2x12's longer than 24 feet. I think you can get LVL's longer. I have done LVL flitch beams before. If the span get longer than 24 feet you should...
The joists may have experienced some creep already. Deflection from creep is difficult to determine. I believe the NDS code says to multiply your dead load deflection by 2 to account for creep. Please bear with me for I am at home and have no reference material here. I've also read that members...
check out a program called winRAR. Here is the link:
http://download.cnet.com/downloads/0-10097-100-7366830.html?tag=st.dl.10001-103-1.lst-7-1.7366830
what a long annoying link. Download the 40-day trial version, it is the full version but after 40 days an annoying "register me" box...
I'm looking for some source of info. on precast concrete piles jetted into beach sand for residential construction. Any design/construction info. would be helpful.
I'm a young engineer with 2 years experience and am working for an architect whose father is a retired civil engineer who checks my calculations.<br><br>My question is: We have a building with precast hollow-core floor slab bearing on a steel beam. There are five approx. equal beam spans. I...
