I have to design a concrete pavement for parking five bell 412 helicopters, approximately 350ft x 90ft. I'm considering 3500psi concrete (cyl), 6" thk, two layers of rft, upper #3 @ 12"BW, lower #4 @ 12"BW. The aft skid tube load is 4772lbs over a contact area 2"x14" i.e. imposed stress 199psi...
Looking for guidance in the form of sketches, articles, personal experience for the layout of bunds for 600,000 bbl tank, including drainage, bund cross section, and associated details. Because of real estate restrictions height will be 13 feet. Thanks in advance
Looking for guidance in the form of sketches, articles, personal experience for the layout of bunds for 600,000 bbl tank, including drainage, bund cross section, and associated details. Because of real estate restrictions height will be 13 feet. Thanks in advance
gmahadeo@hotmail.com
Need to determine axial strength of screwed joint. Main member 36" diameter pipe with 1" thick wall, 4" diameter sch 80 nipple with 8 no. threads per inch, only 1/2" screwed into main member (self threaded into main ), carbon steel. What maximum tension can this joint...
Need to determine axial strength of screwed joint. Main member 36" diameter pipe with 1" thick wall, 4" diameter sch 80 nipple with 8 no. threads per inch, only 1/2" screwed into main member (self threaded into main ), carbon steel. What maximum tension can this joint...
Meyers only has a cross section and a vague picture. Does anyone have CAD drawings or PDF files for a DDFR showing details for tank of diameter 300 ft (say), eg pontoon layout, location of support legs, etc, any information will be appreciated. The principle of design as per appendix C of 650 is...
