Bin filling method under-pressure bin opening method suitable for deeply-buried water-rich soft stratum
The invention provides an under-pressure bin opening method suitable for a deeply-buried water-rich soft stratum through a bin filling method. The under-pressure bin opening method comprises the following steps that double-liquid slurry is injected into a fifth-ring segment, a sixth-ring segment and...
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Format | Patent |
Language | Chinese English |
Published |
31.10.2023
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Subjects | |
Online Access | Get full text |
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Abstract | The invention provides an under-pressure bin opening method suitable for a deeply-buried water-rich soft stratum through a bin filling method. The under-pressure bin opening method comprises the following steps that double-liquid slurry is injected into a fifth-ring segment, a sixth-ring segment and a seventh-ring segment to seal rings; mortar is mixed, and the storage equipment is filled with the mortar; the shield tunneling machine is propelled forwards; pressure-maintaining gas is adjusted upwards, slag is discharged through a screw conveyor, and water is discharged through a soil bin wall ball valve; bentonite is injected into a radial hole of the anterior shield, and water glass is synchronously injected through a three-way ball valve; a phosphoric acid solution and a water glass solution are injected into a grouting hole of the inverted three-ring segment and a radial hole of a shield tail; the interior of the soil bin is continuously grouted, when the upper soil pressure is close to the preset pressure |
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AbstractList | The invention provides an under-pressure bin opening method suitable for a deeply-buried water-rich soft stratum through a bin filling method. The under-pressure bin opening method comprises the following steps that double-liquid slurry is injected into a fifth-ring segment, a sixth-ring segment and a seventh-ring segment to seal rings; mortar is mixed, and the storage equipment is filled with the mortar; the shield tunneling machine is propelled forwards; pressure-maintaining gas is adjusted upwards, slag is discharged through a screw conveyor, and water is discharged through a soil bin wall ball valve; bentonite is injected into a radial hole of the anterior shield, and water glass is synchronously injected through a three-way ball valve; a phosphoric acid solution and a water glass solution are injected into a grouting hole of the inverted three-ring segment and a radial hole of a shield tail; the interior of the soil bin is continuously grouted, when the upper soil pressure is close to the preset pressure |
Author | WANG JIANPENG JIN PING DENG NENGWEI TIAN GUANGJI ZHAO ZHIGANG LU GUANGDONG CHU TAO LI WENBO HE HANG ZHANG QIANG YAN JUN ZHU ZHENSHENG ZHAO SUFEI ZHAO LEIYU HAN FUFEI |
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DocumentTitleAlternate | 一种适用于深埋富水软弱地层的灌仓法带压开仓方法 |
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RelatedCompanies | CHINA TIESIJU CIVIL ENGINEERING GROUP CO., LTD CHINA RAILWAY SOUTHERN INVESTMENT GROUP CO., LTD |
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Snippet | The invention provides an under-pressure bin opening method suitable for a deeply-buried water-rich soft stratum through a bin filling method. The... |
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SubjectTerms | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
Title | Bin filling method under-pressure bin opening method suitable for deeply-buried water-rich soft stratum |
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