نتایج جستجو برای: polyethylene pipes

تعداد نتایج: 38996  

Journal: :Scientific journal of the Ternopil national technical university 2017

Journal: :Journal of Vibroengineering 2022

An experimental protocol was developed to predict the service period of polyethylene pipes under high loads. This paper presents results field test chimney demolition loading pipeline, and compared with numerical simulation. Combined practical engineering situation, ground impact load first propagates explosion-facing side effect found decrease as applied stress decreased, however, load, ring s...

Journal: :Applied Acoustics 2021

Condition monitoring for water and sewerage pipes is essential the safety of environment, energy conservation human health. This paper focuses on application acoustic ultrasonic techniques detection assessment leaks, blockages defect in buried pipes. The review includes methods (below 20 kHz) based vibration sensing using accelerometers, hydrophones fibre optic sensors, (above propagation bulk ...

Journal: :Engineering Failure Analysis 2022

Numerous factors affect the amount of leakage from pipes, e.g. inside pressure, type pipe failure, soil around pipe, etc. Few researches have been done on effect environment discharge. In present study, pipes in presence different soils is experimentally investigated. Leakage a cracked polyethylene was simulated various with properties laboratory setup. Leakage- pressure relationships were obta...

Journal: :Journal of Japan Association for Earthquake Engineering 2015

Journal: :Engineering Science and Technology, an International Journal 2019

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