• 대한설비공학회:학술대회논문집
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• 대한설비공학회 2008년도 하계학술발표대회 논문집
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• pp.1327-1331
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• 2008

The study aims to enhance the trenchless replacement of old sewerage. The trenchless replacement was designed as real size and tested in the field of construction. This trenchless replacement was new technology in construction. The result was good performance in the construction. In the future, the trenchless replacement should be use as the exchange equipment of old sewerage.