A shield grouting wrapping method
A technology of grouting and shield tunneling, which is applied in chemical instruments and methods, earth drilling, building construction, etc., can solve problems such as sealing failure, and achieve the effect of ensuring smooth tunneling, ensuring the tunneling process, and good ground support and reinforcement effects
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[0033] Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in detail, but it should be understood that protection scope of the present invention is not limited by specific embodiment.
[0034] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.
[0035] The present invention provides a shield grouting wrapping method, comprising the following steps:
[0036] (1) ratio:
[0037] The mixing ratio of modified water glass slurry is: the volume ratio of water glass stock solution (37Be) to water is 1:1, the volume ratio of phosphoric acid stock solution to water is 1:16, and the volume ratio of water glass solution to phosphoric acid solution is 1:1;
[0038] (2) stirring:
[0039] When mix...
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