发明名称 |
METHOD AND APARATUS TO PREVENT CRACKS IN TUNNEL LINING CONCRETE |
摘要 |
In a tunnel lining concrete construction method for placing concrete by installing lining forms in a tunnel where shotcrete is constructed after the shotcrete is constructed in the bored tunnel, a method and a device for preventing cracks on tunnel lining concrete comprise a step of installing concrete inlets and multiple laitance outlets in the middle of one header, and installing the lining forms having a concrete placement checking hole in the uppermost of the header; a step of placing the concrete by transferring unconsolidated concrete to the concrete inlets of the lining forms using a pump; a step of discharging remained water and laitance to the laitance outlets while the unconsolidated concrete is intermittently placed by intermittently transferring the unconsolidated concrete; and a step of placing the concrete on a ceiling part by transferring the concrete to the concrete inlets of the lining forms. |
申请公布号 |
KR101420073(B1) |
申请公布日期 |
2014.07.15 |
申请号 |
KR20140004874 |
申请日期 |
2014.01.15 |
申请人 |
CHOI, IN GUL;YOUN, HYUN SEOB |
发明人 |
YOUN, HYUN SEOB;CHOI, IN GUL |
分类号 |
E21D11/10 |
主分类号 |
E21D11/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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