Tuesday, 20 November 2007

joint details

We've made some progress on the joint detials over the last week. The two models we were looking at use silicone gaskets to provide a cushion between the interlocking profiles and here are the two mock-ups back from the RP lab. Thanks to Jeroen for all his help.

After a design team meeting, we've decided to go with the second option because it can deal with a variation in angles in two planes; it acts as a rotational stiffener once in place, and it will provide a locking resistance against vertical shear.

The assembly process has been reduced to a minimum - a pair of gaskets will be bonded to the notches on the primary concrete profile in advance. On site, the cross profile will be inserted and then the remaining pair of gaskets can be mechanically fixed with one pin each to lock the joint together.

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