Earth pressure shield external air bag combined mud pressure balancing method
A mud and pressure technology, which is applied in the field of pressure balance in the soil silo, can solve problems such as the inability to prevent the pressure of the earth silo from rising suddenly, the pressure in the silo to drop suddenly, and the pressure balance and stability that cannot be removed, so as to avoid the risk of ground subsidence , Promote construction quality, improve the effect of grouting effect
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[0039] The present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the present embodiment takes the technical solution as the premise, and provides a detailed implementation manner and a specific operation process, but the protection scope of the present invention is not limited to the present invention. Example.
[0040] This embodiment provides a pressure balancing method for an earth pressure shield external air bag combined with mud, specifically:
[0041] like figure 1 As shown in the figure, a pressure vessel Y is placed near the shield body, and its shape is suitable to make full use of the space of the storage location and to withstand the high pressure inside; The space above is an air pocket made up of air. The bottom of the pressure vessel Y is the sediment storage area, which is used to store the sediment deposited by the mud; the pressure vessel Y is provided with the highest liquid level line and ...
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