Sewage and Drainage
Plastic Pipes Conference Association # 1982 York
Vaelimaa
During the time 1968 to 1982 uPVC pipes have been introduced and applied for drainage and sewer installations in Finland. Development consists of work for material technics, product standards and code of practice. An essential part is the long term observation of pipe behaviour in test installations and field application. Extreme loading conditions and pipe characteristics are correlated and discussed.
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Author(s) : Jumppanen, Leppaevuroi, Vaelimaa
The influence of processing variables on long term strength of pipe materials and on long term resistance values to internal pressure of pipes have been studied by the use of axial creep and creep rupture tests and standard...
Author(s) : Vaelimaa
The experiences of utilizing uPVC pipes as. pressure pipes for fresh water have been both extensive and favourabie, In recent years uPVC has also been introduced as material for relatively thinwalled’ drain and sewer pipes buried in the ground. In connection with this development a lot of research work has been...
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