Abstract
Currently, there are cast iron pipe, protective coating steel pipe, PE pipe, GRP (Glass-Fiber Reinforced Pipe), PVC pipe etc in use in Korea. Since there is rather very low recognition of synthetic resins pipe among those in case of Korea, the kind of pipes for use is very few compared with the actual performance. Once analyzing foreign data, synthetic resin pipes are widely used in even drainpipe and items for piping such as connecting parts are diverse and accessories of piping for general use are being laid underground. It is necessary to mine pipes with selection of various kinds of pipes considering surrounding environment and local circumstances in Korea. This study evaluated the features of soil pressure using load-strain feature and simulated scale down box test through 3-point deflection test for the evaluation of basic features by vertical load such as breakage of PVC pipe and leakage in mining environment in which live loads and cavity exist.
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