Shield construction intelligent synchronous grouting control method and system
A technology of simultaneous grouting and construction intelligence, which is applied in earth-moving drilling, wellbore lining, tunnel lining, etc., can solve the problems that cannot be overcome, and cannot realize the intelligent synchronous grouting of shield tunneling.
Active Publication Date: 2019-05-03
SHANGHAI TUNNEL ENG CO LTD
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Problems solved by technology
However, none of these methods can overcome the shortcomings of traditional synchronous grouting methods, let alone realize the intelligent synchronous grouting of shield tunneling
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[0026] The technical means adopted by the present invention to achieve the intended invention purpose are further described below in conjunction with the drawings and preferred embodiments of the present invention.
[0027] An embodiment of the present invention provides an intelligent synchronous grouting control method and control system for shield tunneling construction.
[0028] The intelligent synchronous grouting control method for shield construction of the present invention includes the following steps:
[0029] According to the unearthed quality of the nth single ring of shield tunneling and the measurement results of synchronous grouting volume, the filling coefficient of synchronous grout and the single actual grouting volume of the grouting pump are obtained;
[0030] Based on the synchronous grout filling coefficient value obtained in the nth ring, the actual grouting amount for a single time, and the unearthed quality of the shield during the construction of the ...
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The invention relates to a shield construction intelligent synchronous grouting control method. The shield construction intelligent synchronous grouting control method comprises the steps: through themetering results of the single ring soil outlet mass of the n ring of a shield and the synchronous grouting amount, the synchronous slurry filling coefficient and the single-time actual groutingamount of a grouting pump are obtained, the target synchronous grouting amount is recalculated based on the synchronous slurry filling coefficient value of the n ring, the single-time actual grouting amount and the shield soil outlet mass within the time in the construction process of the (n+1) ring, and then the stroke number of the grouting pump within the unit time is controlled and adjusted. Accurate shield soil outlet mass metering and synchronous grouting amount metering are proposed, the stroke number of the grouting pump is accurately adjusted through a control system, and formation 'zero' loss intelligent synchronous grouting control with the shield soil outlet mass as a tracking target is achieved.
Description
technical field [0001] The invention relates to a civil construction method, in particular to an intelligent synchronous grouting control method and a control system for shield construction. Background technique [0002] The birth of shield tunneling technology has a history of nearly 200 years. It has become the first choice for urban traffic tunnel construction due to its advantages of fast construction speed, low environmental impact, and high degree of mechanization. The synchronous grouting system is an important part of the shield machine. During the excavation process of the shield machine, the synchronous grouting pump uses a certain pressure through the grouting pipe to timely and fully fill the grout into the building voids generated after the segments come out of the shield tail. So as to effectively control the formation deformation and stabilize the tunnel structure. [0003] The early synchronous grouting of shield tunneling took the set grouting pressure as t...
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IPC IPC(8): E21D9/06E21D11/10
Inventor 杨宏燕李磊肖晓春包蓁
Owner SHANGHAI TUNNEL ENG CO LTD