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- 주제어 : Safety high-pressure hose (검색결과 2 건)
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다기능 안전고압호스를 이용한 하수관 비굴착 보수공법의 성능개선
최장환,임봉수,이원용 대전대학교 환경문제연구소 2016 환경문제연구소 논문집 Vol.20 No.-
This study was carried out to improve the performance of sewer trenchless entire repair method by using the multifunctional safety high-pressure hose. Because the flexural strength and flexing modulus of elasticity increased in the range from 60℃ to 80℃ of the setting temperature, the unform quality was secured to satisfy the standard quality and consolidate the strength, by supplying steam to the entire sewer through the safety high-pressure hose simultaneously. After the steam was supplied, the temperature of the condensate water with a large amount occurred , compared with a small amount, was very low. So, the setting time was shorter over than one hour by reducing the unsatisfied cure state and excluding the condensate water. The standard quality increased by approximately 15% at upper, central, and lower points of the same sewer was gained from the test result of CIPP(cured in place pipes) constructed at the optimum setting temperature. The steam and air were supplied evenly to the sewer by controlling the safety high-pressure hose in the tense and relaxed state and by using the exclusive function of condensate water. The availability and safety for the constructed process were achieved.
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다기능 안전고압호스를 이용한 하수관 비굴착 보수공법의 성능개선
최장환(Jang Hwan Choi),임봉수(Bong Su Lim),이원용(Won Yong Lee) 대전대학교 환경문제연구소 2016 환경문제연구소 논문집 Vol.20 No.-
This study was carried out to improve the performance of sewer trenchless entire repair method by using the multifunctional safety high-pressure hose. Because the flexural strength and flexing modulus of elasticity increased in the range from 60℃ to 80℃ of the setting temperature, the unform quality was secured to satisfy the standard quality and consolidate the strength, by supplying steam to the entire sewer through the safety high-pressure hose simultaneously. After the steam was supplied, the temperature of the condensate water with a large amount occurred , compared with a small amount, was very low. So, the setting time was shorter over than one hour by reducing the unsatisfied cure state and excluding the condensate water. The standard quality increased by approximately 15% at upper, central, and lower points of the same sewer was gained from the test result of CIPP(cured in place pipes) constructed at the optimum setting temperature. The steam and air were supplied evenly to the sewer by controlling the safety high-pressure hose in the tense and relaxed state and by using the exclusive function of condensate water. The availability and safety for the constructed process were achieved.
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