four-arm spider 



potentiometer 



lights (2 locations) 



top, end-closure ring 



concrete cylinder 

 test specimen 



pressure vessel 



_ post-tensionmg 



chain (8 equally spaced) 



bottom end-closure 



— * high-pressure 



|_ _ J inlet and drain 



Figure B-3. Cross section of specimen, showing test setup. 



42 



