CN-122018302-A - Self-adaptive drainage-grouting linkage control method and system for high-water-level underground space

CN122018302ACN 122018302 ACN122018302 ACN 122018302ACN-122018302-A

Abstract

The application provides a self-adaptive drainage-grouting linkage control method and a system for a high-water-level underground space, which relate to the technical field of grouting control and comprise the following steps of adopting a forward type sectional grouting mode, controlling a grouting machine to execute first-stage grouting control and monitoring the preliminary solidification state of first slurry; the method comprises the steps of taking the primary solidification state of the first slurry as a state condition, taking the fluctuation of the water level as a priori condition, triggering a grouting controller, executing a second section of grouting parameter control decision, determining a grouting control strategy, writing the grouting control strategy into a system register, calling the grouting control strategy according to communication interaction between a grouting machine, a drainage device and the register, executing the second section of grouting control, and completing a grouting period through stage polling control. The application can solve the technical problems that the grouting of the high-water-level underground space in the prior art lacks a self-adaptive regulation mechanism, the high-risk geological section has no safety guarantee, and the grouting period is difficult to finish stably. The technical effects of improving the safety, stability and engineering quality of the grouting operation of the high-water-level underground space are achieved.

Inventors

LI QUANMING
GENG CHAO
MAO ZONGYUAN
WANG YUKAI
HAN KAI
CHEN CHENG
ZHANG HONG
LI WEI
DUAN ZHIJIE

Assignees

北方工业大学
中国建筑技术集团有限公司
中国建筑科学研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20251203

Claims (9)

1. The self-adaptive drainage-grouting linkage control method for the high-water-level underground space is characterized by comprising the following steps of: Adopting a forward type sectional grouting mode, controlling a grouting machine to execute first section grouting control, and monitoring the primary solidification state of the first slurry; Triggering a grouting controller embedded in the system by taking the primary solidification state of the first slurry as a state condition and taking water level fluctuation as a priori condition, executing a second section of grouting parameter control decision, determining a grouting control strategy and writing into a system register; and according to communication interaction of the grouting machine, the drainage device and the register, a grouting control strategy is adjusted, a second section of grouting control is executed, and the grouting cycle is completed through stage polling control of forward type sectional grouting.
2. The adaptive drainage-grouting linkage control method for a high water level underground space according to claim 1, wherein the construction of the grouting controller before triggering the embedded grouting controller of the system comprises the following steps: Carrying out light three-dimensional reconstruction on the underground space, and determining a space geometric model; and training the space geometric model to be converged by adopting a data driving mode by taking the fuzzy logic rule as a reference, generating the grouting controller, and arranging the grouting controller in an embedded mode in a grouting control system.
3. The adaptive drainage-grouting linkage control method for the high water level underground space according to claim 2, wherein the method is based on fuzzy logic rules, and comprises the following steps: acquiring grouting records, wherein the grouting records are historical grouting data consistent with the geological type of the underground space; Integrating the upper grouting state, the water level condition and the grouting parameter control as data sequences according to the grouting record to determine a plurality of grouting sequences; And carrying out logic integration according to the grouting sequences to determine the fuzzy logic rule.
4. A method of adaptive drainage-grouting linkage control for a high water level subterranean space according to claim 3, wherein performing a second stage grouting control decision, determining a grouting control strategy, comprises: initializing the space geometric model according to the primary solidification state of the first slurry, and determining an initialization space; acquiring water level data and extracting time sequence characteristics according to an optical fiber grating water level gauge deployed in the underground space, and determining a second water level fluctuation characteristic; And taking the initialization space and the water level fluctuation as inputs, executing logic reasoning based on the fuzzy logic rule, and determining the grouting control strategy, wherein the parameter control dimension of the grouting control strategy at least comprises grouting pressure, grouting flow, azimuth guiding and drainage flow.
5. The adaptive drainage-grouting linkage control method for the high-water-level underground space according to claim 4, wherein the space superposition is performed on the initial solidification state of the lower slurry on the basis of the initial solidification state of the upper slurry as a polling initialization mode.
6. The adaptive drainage-grouting linkage control method of a high water level underground space according to claim 1, wherein the taking of the grouting control strategy, the execution of the second-stage grouting control, comprises: Setting an idle time interval, wherein the idle time interval is a segmented grouting interval based on a forward segmented grouting mode; And calling the grouting control strategy to control and drive through communication interaction of the grouting machine, the drainage device and the register, completing the second section of grouting control, and executing preliminary solidification based on the empty time interval.
7. The method for controlling the self-adaptive drainage-grouting linkage of the high-water-level underground space according to claim 6, wherein the method is characterized in that the time-space water level data acquisition based on the fiber bragg grating water level gauge is executed in the preliminary solidification stage, the preliminary solidification state of the slurry is monitored, and the grouting controller is returned and triggered to execute the third-stage grouting parameter control decision.
8. The adaptive drainage-grouting linkage control method for a high water level underground space according to claim 1, wherein if the high water level underground space is a high risk geological section, a redundant control mode and an early warning mode are started; and the redundant control mode at least comprises the steps of starting a standby grouting pump to execute collaborative grouting control by taking grouting frequency increase direction as a guide if the water level increase rate is larger than a preset threshold value.
9. An adaptive drainage-grouting linkage control system for a high water level underground space, characterized by the steps for implementing the adaptive drainage-grouting linkage control method for a high water level underground space according to any one of claims 1 to 8, comprising: The monitoring module is used for controlling the grouting machine to execute first-section grouting control by adopting a forward type sectional grouting mode and monitoring the primary solidification state of the first slurry; The parameter control decision module takes the primary solidification state of the first slurry as a state condition, takes water level fluctuation as a priori condition, triggers a grouting controller embedded in the system, executes a second section of grouting parameter control decision, determines a grouting control strategy and writes the grouting control strategy into a system register; And the control module is used for calling a grouting control strategy according to communication interaction of the grouting machine, the drainage device and the register, executing second-section grouting control and carrying out stage polling control of forward type sectional grouting until the grouting period is completed.

Description

Self-adaptive drainage-grouting linkage control method and system for high-water-level underground space Technical Field The application relates to the technical field of grouting control, in particular to a self-adaptive drainage-grouting linkage control method and system for a high-water-level underground space. Background In the engineering construction of high water level underground space such as underground tunnel and utility tunnel, grouting operation is a core process of plugging rock and soil cracks, preventing water seepage and guaranteeing stable structure, but the traditional grouting adopts a disposable integral grouting mode, is not optimized aiming at the characteristic that the grouting is easy to run due to unset in a high water level environment, so that the grouting is uneven in diffusion and poor in solidification effect, an effective seepage-proof curtain is difficult to form, meanwhile, grouting parameter regulation and control and water level monitoring are disjoint, key parameters such as grouting pressure, flow and the like cannot be dynamically regulated according to real-time water level fluctuation, a grouting controller depends on fixed logic, cannot adapt to dynamic working conditions of different geological types, and is lack of redundancy control and early warning mechanism aiming at high risk geological segments which are easy to crack development and water level abrupt rise, so that grouting interruption is easy to be caused by main grouting equipment failure or water level abnormal rise, and a grouting period cannot be stably completed. In summary, in the prior art, the grouting of the high-water-level underground space lacks a self-adaptive regulation mechanism, the high-risk geological section has no safety guarantee, and the grouting period is difficult to finish stably. Disclosure of Invention The application aims to provide a self-adaptive drainage-grouting linkage control method and system for a high-water-level underground space, which are used for solving the technical problems that the grouting of the high-water-level underground space lacks a self-adaptive regulation mechanism, the high-risk geological section has no safety guarantee, and the grouting period is difficult to finish stably in the prior art. In view of the above problems, the application provides a self-adaptive drainage-grouting linkage control method and a self-adaptive drainage-grouting linkage control system for a high-water-level underground space. The application provides a self-adaptive drainage-grouting linkage control method for a high-water-level underground space, which is realized by a self-adaptive drainage-grouting linkage control system for the high-water-level underground space, wherein the self-adaptive drainage-grouting linkage control method for the high-water-level underground space comprises the steps of adopting a forward type sectional grouting mode, controlling a grouting machine to execute first section grouting control, monitoring the primary solidification state of first slurry, taking the primary solidification state of the first slurry as a state condition, taking water level fluctuation as an priori condition, triggering a grouting controller embedded in the system, executing a second section grouting parameter control decision, determining a grouting control strategy, writing into a system register, adjusting the grouting control strategy according to communication interaction between the grouting machine and a drainage device and the register, executing second section grouting control, and carrying out stage round polling control of forward type sectional grouting until a grouting period is completed. The application also provides a self-adaptive drainage-grouting linkage control system for the high-water-level underground space, which is used for executing the self-adaptive drainage-grouting linkage control method for the high-water-level underground space, wherein the self-adaptive drainage-grouting linkage control system for the high-water-level underground space comprises a monitoring module, a reference control decision module, a control module and a control module, wherein the monitoring module is used for controlling a grouting machine to execute first-section grouting control and monitoring the primary solidification state of first slurry, the reference control decision module is used for triggering a grouting controller embedded in the system by taking the primary solidification state of the first slurry as a state condition and taking water level fluctuation as an priori condition, executing second-section grouting reference control decision and determining a grouting control strategy and writing the grouting control strategy into a system register, and the control module is used for executing second-section grouting control and completing a grouting period by means of stage polling control of forward-section grouting according to communication interaction b