A spout concrete block structure for preliminary bracing of highway tunnel corrugated steel
The utility model discloses a spout concrete block structure for preliminary bracing of highway tunnel corrugated steel is provided with the ripple steel sheet at tunnel country rock inner wall, the end department that the ripple steel sheet is close to the face encircles wet shotcreting entirely fo...
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| Hauptverfasser: | , , , , , , , , , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a spout concrete block structure for preliminary bracing of highway tunnel corrugated steel is provided with the ripple steel sheet at tunnel country rock inner wall, the end department that the ripple steel sheet is close to the face encircles wet shotcreting entirely for form an airtight space between country rock and the ripple steel sheet, and in this airtight spacegrouting mortar, the ripple steel sheet is used for the preliminary bracing, and the preliminary bracing of ripple steel sheet is divided into the two parts of topping bar and get out of a predicament or an embarrassing situation, and the preliminary bracing of ripple steel sheet is topped bar the top and is equipped with vault slip casting pump line, and the both sides spandrel is provided withthe reservation window slip casting pipe of symmetry, and the preliminary bracing of ripple steel sheet is got out of a predicament or an embarrassing situation to be equipped with and is reserved thegrout pump line, between t |
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