Another “Field Photo” from Construction Coach Gary Smith. Jump over to Instagram and hit the like button! So far the content has [igp-likes] likes.
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First, holes are bored specifically spaced apart according to an engineer’s drawings. On one side of the slab’s frame the cable extends through a hole. Notice the grease. The cable runs through a plastic sleeve that, after (post) concrete is poured into the form and has had time to harden, the cable is hydraulically pulled tight (tension), ie: post tension, meaning the concrete is stressed post pour.
The opposite end of the cable has a fixed wedge attached. During the tension process a technician adds a pinching device to prevent the cable from slipping back into the slab. After all the cables are pulled tight the steel is cut off with a torch and the opening in the side of the slab is puttied (filled) with mortar.
[igp-video src=”http://garynsmith.net/wp-content/uploads/2013/12/Post-Tension-Cable-Up-Close-builditright.mp4″ poster=”http://garynsmith.net/wp-content/uploads/2013/12/Post-Tension-Cable-Up-Close-builditright.jpg” size=”large”]
Location:Hathaway Lake – Madison, MS
Taken: Dec 19, 2013 @ 22:35
MAP to this location below.
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