Lining construction method for underground gas storage hole
The invention provides a lining construction method for an underground gas storage hole. The problem that a secondary lining of the gas storage hole is prone to cracking is solved. According to the lining construction method of the underground gas storage hole, a lining comprises a primary support,...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a lining construction method for an underground gas storage hole. The problem that a secondary lining of the gas storage hole is prone to cracking is solved. According to the lining construction method of the underground gas storage hole, a lining comprises a primary support, a secondary lining and a sealing layer lining which are sequentially arranged from outside to inside, the construction method comprises the steps that the secondary lining is constructed, the secondary lining is formed by splicing and enclosing arc-shaped prefabricated pipe pieces, and the sealing layer lining is formed by splicing and enclosing the arc-shaped prefabricated pipe pieces; the secondary lining comprises the specific construction steps that the prefabricated pipe pieces are laid along the inner wall of the primary support, and in the laying process, intervals are reserved between part of or all the adjacent prefabricated pipe pieces so as to form post-cast strip cavities; a pushing mechanism is arrange |
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