Bridges and underground roadway expansion joint method
The present invention relates to a bridge and underground roadway expansion joint method which comprises a concrete cutting method, a concrete chipping step, a concrete foundation processing step, a perforated drainpipe installation step, a back-up material installation step, a primer applying step,...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention relates to a bridge and underground roadway expansion joint method which comprises a concrete cutting method, a concrete chipping step, a concrete foundation processing step, a perforated drainpipe installation step, a back-up material installation step, a primer applying step, a self-mounting type support plate installation step, an elastic expansion joint material primary pulling step, a natural mineral wool grid installation step, an elastic expansion joint material secondary pulling step, and a wear resistance finishing layer pulling step. Through a construction method of the bridge and underground roadway expansion joint method, driving ability and commonality can be improved, and stability for traffic for a vehicle can be secured.
본 발명은 교량 및 지하차도 신축이음공법에 구성되는 콘크리트 절삭 단계, 콘크리트 치핑 단계, 콘크리트 바탕처리 단계, 유공관 설치 단계, 백업재 설치 단계, 프라이머 도포 단계, 자착식 지지판 설치 단계, 탄성 신축이음재 1차 포설 단계, 천연미네랄울 그리드 설치 단계, 탄성 신축이음재 2차 포설 단계, 내마모성 마감층 포설 단계인 것을 특징으로 하는 교량 및 지하차도 신축이음공법의 그 시공방법을 통하여 주행성과 공용성을 증진할 수 있고 차량 등 교통에 안정성을 확보해 준다. |
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