<br />
will have more tendons since the sub grade<br />
friction force increases with size. The code<br />
minimum precompression of 50 psi is calcu-<br />
lated at the middle of the foundation, where<br />
the affect of sub grade friction is the largest.<br />
For larger foundations, there will most likely<br />
be a substantial difference between the pre-<br />
compression force at the edge of the foundation<br />
compared to the middle.<br />
The tendons in the majority of post-<br />
tensioned foundations are located in the center<br />
of the slab and run flat from anchor to anchor.<br />
Care should be taken by the contractor and<br />
deputy inspector to eliminate localized kinks<br />
(vertical and horizontal) in the strands when<br />
they extend over footings or where they are<br />
curved to avoid penetrations. The strands<br />
are int<a title="April 10 page 1" href="http://viewer.zmags.com/publication/8c55a0bd?page=1">®A Joint Publication of NCSEA | CASE | SE</a> ®A Joint Publication of NCSEA | CASE | SE<a title="April 10 page 2" href="http://viewer.zmags.com/publication/8c55a0bd?page=2">Powers can help youmake the change efficiently.</a> Powers can help youmake the change efficiently.<a title="April 10 page 3" href="http://viewer.zmags.com/publication/8c55a0bd?page=3"></a> <a title="April 10 page 4" href="http://viewer.zmags.com/publication/8c55a0bd?page=4">Issaquah Transit Center, Issaquah, WAADVERTISEME</a> Issaquah Transit Center, Issaquah, WAADVERTISEME<a title="April 10 page 5" href="http://viewer.zmags.com/publication/8c55a0bd?page=5">C O N T E N T S FEA</a> C O N T E N T S FEA<a title="April 10 page 6" href="http://viewer.zmags.com/publication/8c55a0bd?page=6">Visit us at: </a> Visit us at: <a title="April 10 page 7" href="http://viewer.zmags.com/publication/8c55a0bd?page=7">EditorialThe Benefits of NetworkingBy Douglas A</a> EditorialThe Benefits of NetworkingBy Douglas A<a title="April 10 page 8" href="http://viewer.zmags.com/publication/8c55a0bd?page=8">design issues for structural engineersPost -T</a> design issues for structural engineersPost -T<a title="April 10 page 9" href="http://viewer.zmags.com/publication/8c55a0bd?page=9">will have more tendons since the sub gradefricti</a> will have more tendons since the sub gradefricti<a title="April 10 page 10" href="http://viewer.zmags.com/publication/8c55a0bd?page=10"> Uniform ThicknessThe uniform thickne</a> Uniform ThicknessThe uniform thickne<a title="April 10 page 11" href="http://viewer.zmags.com/publication/8c55a0bd?page=11">E X PA N D your frame </a> E X PA N D your frame <a title="April 10 page 12" href="http://viewer.zmags.com/publication/8c55a0bd?page=12">punching shear failure or by the maxi-mum amount</a> punching shear failure or by the maxi-mum amount<a title="April 10 page 13" href="http://viewer.zmags.com/publication/8c55a0bd?page=13"></a> <a title="April 10 page 14" href="http://viewer.zmags.com/publication/8c55a0bd?page=14">Figure 2a: Variation in Moments (kips-ft). </a> Figure 2a: Variation in Moments (kips-ft). <a title="April 10 page 15" href="http://viewer.zmags.com/publication/8c55a0bd?page=15">in the areas with less pressure and even lose con</a> in the areas with less pressure and even lose con<a title="April 10 page 16" href="http://viewer.zmags.com/publication/8c55a0bd?page=16">new trends, new techniques and current industry</a> new trends, new techniques and current industry<a title="April 10 page 17" href="http://viewer.zmags.com/publication/8c55a0bd?page=17">University of Western Ontario. Courtesy ofDuane </a> University of Western Ontario. Courtesy ofDuane <a title="April 10 page 18" href="http://viewer.zmags.com/publication/8c55a0bd?page=18">Shrinkage-Compensating Concretein Post-Tensioned</a> Shrinkage-Compensating Concretein Post-Tensioned<a title="April 10 page 19" href="http://viewer.zmags.com/publication/8c55a0bd?page=19">joint was used, running in the short direction at</a> joint was used, running in the short direction at<a title="April 10 page 20" href="http://viewer.zmags.com/publication/8c55a0bd?page=20">ADVERTISEMENT - For Advertiser Information, visit</a> ADVERTISEMENT - For Advertiser Information, visit<a title="April 10 page 21" href="http://viewer.zmags.com/publication/8c55a0bd?page=21">Cracked-Concrete Solutions Cracked&Uncracked</a> Cracked-Concrete Solutions Cracked&Uncracked<a title="April 10 page 22" href="http://viewer.zmags.com/publication/8c55a0bd?page=22">THIS IS OUR HOME...LETS TAKE CARE OF IT</a> THIS IS OUR HOME...LETS TAKE CARE OF IT<a title="April 10 page 23" href="http://viewer.zmags.com/publication/8c55a0bd?page=23">RISK MANAGEMENTrisk management topics for struct</a> RISK MANAGEMENTrisk management topics for struct<a title="April 10 page 24" href="http://viewer.zmags.com/publication/8c55a0bd?page=24">Work quickly. 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