Hi Robert,
I'm not able at all to help this translation..
But here are some additional links to this wonderful stadium
taken from here
Here is a chinese Sketchup model of the National Stadium of Pekin National Stadium_v0.skp which is dealing with that sort of questions and is very interesting to dismount...
[image: http://2.bp.blogspot.com/_YEzxKdplUXo/R9HpLy47ZWI/AAAAAAAAByg/wmQ3hsGMwlI/s1600/h_4_ill_1019818_pekin-stade.jpg]
(taken from:
archINFORM)
I have worked on it for a friend who was asking me quotations, cause he was to install a "Spider Cam" on it for a manifestation...
[image: http://i274.photobucket.com/albums/jj245/Spendauballet/PekinNationalStadium/th_NationalStadium008.jpg]
some pictures in PicasaWebAlbum
+++ simon