Tensioned floor , the construction process as well as the floor near concrete often , it differs in that the layout and construction of cable bundles cable tension after BT reached design strength alone, but generally it is similar while ordinary reinforced concrete floor construction .
 
 
You may notice a very clear point tensioned floor Other floors in that it usually has no beams, precisely thanks to this advantage it gives us space airy and very much favorable in the layout system lighting and aesthetics to create the ceiling.
 
Also the arrangement of reinforced concrete as in conventional flooring , floor layout tensioning is also adding tendon ( white ), usually in a cable bundle about 5 cables , the cables are fully integrated in foreign countries , each fiber is braided from 7 strands ( what we say here is that I see in the work , while the other works can not fully contest every detail such like ) . Check out the picture below will clarify the structure of a cable :
 
The fiber cable bundle is placed under tension of torque , position of joints must be wrapped tendon glue carefully , so that later you pour BT BT is not flowing into the duct work , if work will cause difficulties tube grouting later.
Once the layout is complete tendon reinforced and then proceed normally pour BT , after BT achieve specified intensity , usually around 7 days , then began attaching the cable wedge size .
 
Thanks to the closing of this wedge as cable stretch , pull the cable , the cable will be kept always on the outside , can not be slipped inside .
 
Then they began stealing tension , tension cable device is actually a hydraulic jack , cable is placed at the beginning of ...
 
.... and a pressure monitor cable pull .
 
Once finished, the cable tension begin grouting , cement grouting to include mixed with some kind of additives, including additives mainly swelling . You can clearly see his image capture, mortar pump head and filled up on the other end , after seeing mortar spills on the other side , people use plastic bags inserted plug hole closed , so their cable bundles I was pumped full of grout and know.
 
And this is the situation grouting trouble occlusion , occlusion when mortar competition will not pump through to the other side is , thus, one must drill in between the pipes to make holes , and grouting will spill up over this hole , which means that this pipe to pump into 2 times 2 side used uh 
 
Some pictures of the construction :

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