CN114638035A

CN114638035A - Control method and application of whole process of large open caisson construction

Info

Publication number: CN114638035A
Application number: CN202210259131.6A
Authority: CN
Inventors: 张永涛; 杨钊; 陈培帅; 姬付全; 李德杰; 曾旭涛; 夏崟濠; 胡文勇; 肖靖; 饶为胜; 朱俊涛; 李嘉成; 贺祖浩; 罗会武; 杨睿; 孔茜; 许超; 周微强; 高如超; 李雪松
Original assignee: CCCC Second Harbor Engineering Co; CCCC Wuhan Harbour Engineering Design and Research Institute Co Ltd
Current assignee: CCCC Second Harbor Engineering Co; CCCC Wuhan Harbour Engineering Design and Research Institute Co Ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-06-17
Anticipated expiration: 2042-03-16
Also published as: CN114638035B

Abstract

The invention discloses a whole process control method for large open caisson construction and application, comprising the following steps: the device comprises a soil layer parameter module, a high-sinking combined module, a foundation processing module, a sunk well geometric state evaluation module, a mud surface monitoring module, a sunk well structure stress strain monitoring and analyzing module, a high-sinking calculation and process selection module, an inversion analyzing module, a calculation result derivation module, an instruction automatic generation module, an automatic prejudgment and issuing module, an excavation equipment clustering control module and a system control client. The invention can generate and compare and select a scheme in the whole open caisson construction process, monitor and pre-warn main parameters in the construction stage, automatically correct the scheme according to the change of the parameters and direct various machines to carry out construction, thereby greatly simplifying the work task of technicians and playing a role in guiding construction.

Description

Control method and application of whole process of large open caisson construction

Technical Field

The invention relates to the field of bridge open caisson foundations in the field of civil engineering. More specifically, the invention relates to a control method and application of the whole process of large open caisson construction.

Background

The open caisson is a well cylindrical structure, and is a foundation for bridge abutment or other structures by digging soil in the well, overcoming the frictional resistance of the well wall by means of the self gravity, sinking to a designed elevation, sealing the bottom by concrete and filling the well hole. The open caisson has the advantages of large embedding depth, strong integrity, good stability, high bearing capacity, simple construction and small disturbance to the surrounding soil body, thereby being widely applied to a plurality of fields of civil engineering.

In the process of large open caisson construction, various stratum parameters are required to be used as a basis for plan compiling, but stratum parameter geological survey values obtained in actual construction are often conservative, so that the construction plan is often difficult to advance; because the large open caisson has large mass, the influence of soil layers is large, meanwhile, the construction period of the large open caisson is long, and stratum parameters are in the process of dynamic change in a long construction period, so that a scheme compiled aiming at a certain stratum parameter cannot guide the construction of the whole open caisson process, the compiling, changing and selecting of the scheme are very complicated, and a great deal of energy of engineering technicians is consumed; the open caisson posture, the mud surface height, the structural stress and the deformation of the large open caisson are difficult to control, although a plurality of monitoring devices for the open caisson posture, the mud surface change, the structural stress and the deformation exist at present, technical personnel are required to monitor the open caisson posture, the mud surface change, the structural stress and the deformation, and construction is carried out according to the monitoring result, the monitoring method cannot realize 24-hour all-weather monitoring, and is difficult to capture in the early stage of the occurrence of engineering problems, so that timely treatment cannot be realized, and finally bad results are caused. Therefore, there is a need for a method for controlling the whole process of large open caisson construction, which can dynamically monitor, generate and change the plan, and control the excavation of the whole open caisson construction process.

Disclosure of Invention

The invention aims to provide a control method and application of the whole process of large open caisson construction, which are used for storing, analyzing and monitoring parameters at each stage of the whole process of open caisson construction, mastering stress conditions and geometric postures of different stages of the open caisson, thereby assisting constructors in carrying out scheme designation and comparison and selection, automatically calling construction equipment and adjusting a construction scheme, realizing dynamic intervention of the whole process of open caisson construction and achieving the purpose of intelligent construction of the whole process of open caisson construction.

The technical scheme adopted by the invention for solving the technical problem is as follows: a whole process control method for large open caisson construction comprises the following steps: the system comprises a soil layer parameter module, a high-and-low sinking combined module, a foundation processing module, a sunk well geometric state evaluation module, a mud surface monitoring module, a sunk well structure stress strain monitoring and analyzing module, a high-and-low sinking calculation and process selection module, an inversion analyzing module, a calculation result exporting module, an instruction automatic generation and automatic prejudgment and issuing module, an excavation equipment clustering control module and a system control client side;

soil layer parameter module comprises soil layer parameter acquisition end and soil layer parameter analysis end, and soil layer parameter acquisition end is installed on the open caisson structure, can gather hydrology and geological parameters in the open caisson construction field, if: soil layer and elevation, water level, foundation bearing capacity of different strata, side friction resistance, cohesive force, internal friction angle, water content and the like, wherein a soil layer parameter analysis end is integrated on a server; the soil layer parameter acquisition end acquires hydrological and geological parameters in the open caisson construction site and transmits the hydrological and geological parameters to the soil layer parameter analysis end, and the soil layer parameter analysis end calculates and obtains key parameter values through a built-in algorithm;

the high-rise sinking combined module is integrated on the server, data of the soil layer parameter module is obtained, and various high-rise sinking preliminary combined schemes of the open caisson under the current soil layer condition are obtained through analysis;

the foundation treatment module acquires data of the high-sinking combined module and determines a first open caisson high-jointing scheme and a corresponding foundation treatment scheme;

the open caisson geometric state evaluation module consists of an open caisson geometric state acquisition end and an open caisson geometric state analysis end; the open caisson geometric state acquisition end acquires the current open caisson geometric attitude information and transmits the current open caisson geometric attitude information to the open caisson geometric state analysis end, and the open caisson geometric state analysis end analyzes and evaluates the current open caisson attitude according to the acquired data; meanwhile, the open caisson geometric state analysis end calculates the expected value of the open caisson geometric attitude change based on the soil layer parameter module and the height-connection sinking calculation and process selection module;

the mud surface monitoring module consists of a mud surface monitoring and collecting end and a mud surface monitoring and analyzing end, the mud surface monitoring and collecting end acquires the height information of the mud surface of the current open caisson and transmits the height information to the mud surface monitoring and analyzing end, and the mud surface monitoring and analyzing end analyzes and evaluates the condition of the current mud surface by using the data acquired by the mud surface monitoring and collecting end; meanwhile, the mud surface monitoring and analyzing end calculates the expected value of mud surface change based on a high-dip connection calculation and process selection module;

the open caisson structure stress-strain monitoring and analyzing module consists of an open caisson structure stress-strain acquisition end and an open caisson structure stress-strain analyzing end; the open caisson structure stress-strain acquisition end acquires the stress-strain information of the current open caisson and transmits the stress-strain information to the open caisson structure stress-strain analysis end, and the open caisson structure stress-strain analysis end analyzes and evaluates the stress deformation condition of the current open caisson by using the data acquired by the open caisson structure stress-strain acquisition end; meanwhile, the open caisson structure stress-strain analysis end calculates the stress and deformation expected values of the open caisson structure based on the data of the open caisson geometric state evaluation module and the mud surface monitoring module, and formulates an open caisson posture and stress adjustment scheme;

the height-connection sinking calculation and process selection module calculates sinking coefficients of the open caisson at each stage, determines an area to be excavated, and performs excavation process comparison selection and optimization by combining with open caisson structure stress, wherein the excavation process mainly comprises the following steps: the method comprises the following steps of (1) carrying out excavation on a boiler bottom, cross pull groove excavation, reserved core soil excavation and the like to generate an open caisson excavation sinking process scheme;

the inversion analysis module is integrated on the server and performs inversion based on the monitoring information and the calculation data of each module to obtain key parameters, so that the rationality of monitoring and calculation results is judged;

the calculation result export module is integrated on the server and can integrate, export and store the calculation results of different modules;

the instruction automatic generation, automatic prejudgment and issuing module is integrated on the server, and the analysis and monitoring results of the modules are integrated and analyzed to generate an open caisson construction integral scheme and generate an instruction;

the excavation equipment clustering control module receives the instructions of the instruction automatic generation module, the automatic prejudgment module and the issuing module and directs various excavation equipment connected with the excavation equipment to carry out construction according to a scheme;

the system control client is installed on a computer or a mobile phone as an application program.

Preferably, the analysis end of the soil layer parameter module can correct the manually input geological survey value.

Preferably, the analysis end of the soil layer parameter module is integrated on the server, and before calculation and analysis, data of the instrument acquisition system and data of the manual input system can be manually controlled to be switched, so that the data are designated.

Preferably, the soil layer parameter module dynamically monitors related stratum parameters and generates a three-dimensional simulation model of the open caisson.

Preferably, the stratum parameter module can establish a three-dimensional simulated soil layer model according to a manually input geological survey value, continuously acquire stratum parameters in real time in the excavation and sinking construction process of the open caisson, realize the judgment and classification of the stratum, update the three-dimensional geological model and realize the dynamic monitoring of the stratum parameters.

Preferably, the elevation and subsidence combination module can manually input relevant parameters of each open caisson, such as height, concrete weight and the like.

Preferably, the high-connection sinking combined module is provided with software interfaces in various formats, and open caisson structure diagrams in different formats can be guided into the structure sinking combined module, so that open caisson structure parameters such as variable cross-section area and variable cross-section spacing are automatically generated.

Preferably, the height and subsidence combination module can calculate the quality of each section of open caisson according to the obtained open caisson related parameters input by human or imported by other software.

Preferably, the high-connection sinking combination module can judge the relative position relation between each high-connection sinking feasible combination and different stratums, underground water and geological structures in the sinking process by calling the soil layer parameter module, and comprehensively analyze by combining the construction process and the specification to obtain the preliminary combination scheme of sinking well high-connection feasible sinking meeting the current soil layer condition.

Preferably, the height-connected sinking combination module can call a soil layer parameter module, and if the factors such as the stratum parameters or the posture of the open caisson change along with the open caisson excavation sinking, the height-connected sinking combination module carries out dynamic continuous updating calculation, so that the applicability of the final height-connected sinking feasible combination is ensured.

Preferably, the foundation treatment module can obtain parameters such as height, quality, cross section and the like of the open caisson by calling the high-connection and sinking combination module, provide basic information for foundation treatment analysis, and provide a plurality of preliminary foundation treatment schemes suitable for the current geological and construction conditions.

Preferably, the foundation treatment module is internally provided with an algorithm, and can calculate the required foundation bearing capacity of the open caisson edge foot under the condition of the diffusion area of the sand cushion and the first-time high-connection.

Preferably, the foundation processing module can call the soil layer parameter module, calculate the soil consolidation effect caused by the open caisson in the primary height connecting process according to the soil layer parameters, and correct the primary sand pile reinforcing scheme, so as to provide the final sand pile reinforcing scheme.

Preferably, the foundation treatment module optimizes the open caisson height-connecting combination scheme according to the sand pile reinforcement scheme to give an optimal height-connecting sinking scheme.

Preferably, the foundation processing module calculates the diffusion area of the blade foot under the sand bedding and the foundation limit bearing capacity under the current consolidation condition, and carries out bearing capacity analysis based on consolidation action.

Preferably, the height-increasing and sinking calculation and process selection module can call the soil layer parameter module and the height-increasing and sinking combination module, so that the excavation area required by the open caisson after invading different soil layers in the excavation and sinking process under various height-increasing and sinking combination conditions is calculated.

Preferably, the elevation and subsidence calculation and process selection module is internally provided with simulation programs of various construction processes and support forms, such as large pan bottom excavation, cross slot-drawing excavation, reserved core soil excavation, shear key support, full-section support and the like, can calculate the subsidence coefficients of the open caisson when different construction processes and support forms are adopted under various elevation and subsidence combination conditions, and can reasonably partition an open caisson excavation area and independently select the construction process of the area, so that the coexistence of various excavation processes is realized in the integral open caisson excavation process, and the process selection is carried out according to local conditions.

Preferably, the height and subsidence calculation and process selection module is internally provided with a caisson height coefficient calculation program, and can calculate the caisson height coefficient when the shear key support state, the full-section support state and the soil in the cabin are at a certain elevation.

Preferably, the height and subsidence calculation and process selection module is internally provided with a depth learning system, and the depth learning system can be manually guided into an excavation mode adopted under specific geological conditions, open caisson scale and other factors, so as to select reference materials for the process of the height and subsidence calculation and process selection module, and meanwhile, after the process is selected, the feedback effect in the construction process can be automatically recorded and stored in a depth learning program, so that the materials are provided for the subsequent process selection and generation.

Preferably, the height-to-sink calculation and process selection module can call the soil layer parameter module and the height-to-sink combination module, and calculation and analysis are performed according to a dynamic scheme given by the height-to-sink combination module in the open caisson excavation and sinking process, so that the construction process is dynamically updated.

Preferably, the open caisson geometric state evaluation module comprises acquisition end and analysis end, and acquisition end arranges in the open caisson structure, and acquisition end comprises big dipper positioning sensor and wireless transmission collection system, can monitor open caisson real-time position, height. The analysis end of the open caisson geometric state evaluation module is integrated on the server, and the data measured by the acquisition end of the open caisson geometric state evaluation module can be stored and analyzed.

Preferably, the Beidou positioning sensor is connected with the wireless transmission and acquisition device in a wired mode, and data transmission is carried out on the Beidou positioning sensor to an analysis end on the server through the wireless transmission and acquisition device by utilizing a 4G/5G network.

Preferably, an algorithm is built in an analysis end of the open caisson geometric state evaluation module, and the current inclination, deflection and other postures of the open caisson can be analyzed according to the positions and heights of all parts of the open caisson structure.

Preferably, the open caisson geometric state evaluation module can call the soil layer parameter module and the heightening and sinking calculation and process selection module, so as to construct a three-dimensional simulation model, and display the current heightening combination condition of the open caisson, the relative position relationship between the open caisson and the stratum and the attitude change condition of the open caisson in the model in real time.

Preferably, the open caisson geometric state evaluation module can call the high-dip connection calculation and process selection module, and the construction process given by the high-dip connection calculation and process selection module is analyzed and calculated to obtain an expected value of the open caisson geometric attitude change.

Preferably, the open caisson geometric attitude evaluation and suggestion module automatically gives an alarm when the open caisson attitude has a large deviation, and gives a deviation rectification scheme according to the current deviation condition.

Preferably, the mud surface monitoring module is composed of a collection end and an analysis end, the collection end is composed of a plurality of laser displacement sensors and a wireless transmission collection device, and the mud surface monitoring module can continuously monitor the mud surface displacement of the soil body in the open caisson continuously in the open caisson construction process and transmit data to the analysis end. The analysis end of the mud surface monitoring module is integrated on the server, and data transmitted by the acquisition end of the mud surface monitoring module can be stored and analyzed.

Preferably, the laser displacement sensor in the mud surface monitoring module is connected with the wireless transmission and acquisition device in a wired manner, and transmits signals to the analysis end on the server through a 4G/5G network.

Preferably, the mud surface monitoring module can call a soil layer parameter module so as to analyze the relation between the mud surface change and the soil layer parameter in the sinking well.

Preferably, the mud surface monitoring module can call the soil layer parameter module and the open caisson geometric posture evaluation and suggestion module, construct a three-dimensional simulation model, and display the mud surface heights in different compartments in real time in the model.

Preferably, the mud surface monitoring module can monitor the change of the height of the mud surface and the change rate of the mud surface, and pre-warns when the height of the mud surface or the change rate of the height of the mud surface reaches a certain value.

Preferably, the open caisson structure stress-strain monitoring and analyzing module is composed of an acquisition end and an analyzing end, wherein the acquisition end is composed of a static level gauge, a strain gauge and a wireless transmission acquisition device, and can monitor internal stress of different parts of the open caisson structure and deflection changes of parts such as a well wall and a partition wall. The analysis end of the open caisson structure stress-strain monitoring and analyzing module can record and analyze data collected by the collection end of the open caisson structure stress-strain monitoring and analyzing module.

Preferably, the static level gauge and the strain gauge in the open caisson structure stress-strain monitoring and analyzing module are connected with the wireless transmission and acquisition device in a wired mode, and the wireless transmission and acquisition device transmits signals to an analyzing end on the server through a 4G/5G network.

Preferably, the open caisson structure stress-strain monitoring and analyzing module dynamically monitors deformation and stress of the open caisson structure, and when the change exceeds a threshold value, an early warning is given and a deviation rectifying scheme is provided.

Preferably, the inversion analysis module can call all the modules, and perform inversion according to the data such as the formation parameters, the construction process, the open caisson attitude, the internal force and the like provided by each module, so that the correctness of the calculation result is guaranteed, and part of the data is corrected.

Preferably, if the difference between the inversion result and the monitoring or analysis result of other modules is large, or the inversion presents a result which is not beneficial to open caisson safety construction, early warning is carried out.

Preferably, the instruction automatic generation, automatic prejudgment and issuing module can call other modules, so as to analyze the current overall condition of the open caisson and generate the instruction.

Preferably, the command automatic generation, automatic pre-judgment and issuing module can realize the pre-judgment of the open caisson command and improve the validity of the command by analyzing the open caisson geometric attitude estimation and suggestion module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module to obtain the open caisson geometric attitude change expected value, the mud surface change expected value and the open caisson structure stress and deformation expected value which are obtained by calculation and analysis.

The deep learning program is arranged in the system, and the excavation modes adopted under specific geological conditions, open caisson scale and other factors can be manually input, so that reference materials are provided for the prejudgment and generation of the instructions, and meanwhile, after the module generates the instructions, the instructions and the feedback effect after the instructions are executed can be automatically recorded and stored in the deep learning program, and materials are provided for the subsequent construction instruction generation.

Preferably, various mechanical devices in the excavation device clustering control module include, but are not limited to, excavation soil-taking devices such as a mobile trolley, a rotary drilling machine, a high-pressure water-jetting four-reamer, an air suction dredge and the like.

Preferably, the excavation equipment clustering control module is provided with a wireless transmission device, and can be used for receiving the instruction sent by the instruction automatic generation, automatic prejudgment and issuing module through a 4G/5G signal, and is connected with various mechanical equipment in a wired mode, so as to perform control.

Preferably, the control system client is designed by adopting a C/S architecture, can display data monitored and analyzed by various modules in the whole open caisson construction process, is divided into a chart and a curve in a display mode, and can be manually adjusted.

Preferably, the control system client is provided with a three-dimensional model simulation interface, and different monitoring parameters can be displayed in the three-dimensional model simulation interface in a three-dimensional manner under the support of various real-time data.

Preferably, the control system client receives the early warning signals and the scheme instructions provided by the modules, and can control the modules from the control system client by a worker.

Data input and collection principle: before manual input or collection of data, monitoring points need to be coded in advance according to a certain sequence and rule, after the data passes through an analysis end, multi-source heterogeneous data need to be subjected to unified processing, the data are stored in a database in a data table mode according to preset monitoring point codes, and basic data are provided for subsequent calculation and calling.

Preferably, the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module perform early warning after the monitoring value exceeds an allowable value;

the method specifically comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X₁Less than or equal to the allowable value X₂The instruction is automatically generated, automatically pre-judged and issued to a module control system control client for prompting, and the original excavation sinking construction instruction is not changed under the condition of primary early warning;

during secondary early warning, the monitoring value Y exceeds the allowable value X₂Less than or equal to the allowable value X₃The instruction automatic generation, automatic prejudgment and issuing module controls the client to prompt, the original excavation sinking construction instruction is not changed, but the instruction automatic generation, automatic prejudgment and issuing module automatically generates a new excavation sinking construction scheme according to the current condition and pushes the new excavation sinking construction scheme to the system control client;

during three-level early warning, the monitoring value Y exceeds the allowable value X₃The instruction automatic generation, automatic prejudgment and issuing module can immediately terminate the current construction scheme, and simultaneously, the high-settlement calculation and process selection module generates a new construction scheme or a new remediation scheme to be pushed to the system control client.

In the foundation treatment and heightening scheme comparing and selecting stage of open caisson construction, the system control client manually inputs the geological survey parameters into the stratum parameter module to serve as initial analysis parameters, and the heightening and sinking combination module and the foundation treatment module are utilized to determine the number of open caisson first heightening and the foundation treatment scheme, and guide constructors to determine the foundation treatment scheme and the first heightening scheme.

In the open caisson excavation sinking stage, the soil layer parameter module carries out real-time soil layer parameter monitoring and correction, the height-connection sinking calculation and process selection module carries out height-connection sinking calculation and analysis to select the excavation process according to current real-time soil layer parameters, the open caisson geometric posture evaluation and suggestion module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analysis module monitor relevant parameters of the open caisson under the current condition, and calculate according to a construction scheme generated by the height-connection sinking calculation and process selection module to obtain an expected value of relevant data. And the inversion analysis module performs inversion according to the monitoring results of the modules so as to ensure the correctness of the calculation result and the effectiveness of the generated scheme, and the monitoring results, the calculation result and the inversion results of the modules are pushed into the system control client through the calculation result export module. After inversion analysis, the instruction automatic generation, automatic prejudgment and issuing module generates an instruction according to the analysis result of each module, and finally transmits the instruction to the excavation equipment clustering control module, so that each excavation machine is instructed to perform excavation construction according to the scheme. The change condition of each monitoring item along with the open caisson construction can be displayed on the system control client side, and technicians can intervene in the construction process through the system control client side.

The invention also provides an application of the whole process control method for the large open caisson construction, which comprises the following steps:

1) inputting an initial geological survey value into a soil layer parameter module through a control system client;

2) the height-connecting and sinking combination module and the foundation treatment module generate a first height-connecting scheme of the open caisson and a corresponding foundation treatment scheme according to the initial geological survey value, and perform related construction;

3) installing a soil layer parameter acquisition end, an open caisson geometric state evaluation module acquisition end, a mud surface monitoring module acquisition end and an open caisson structure stress-strain monitoring and analyzing module acquisition end on an open caisson structure, transmitting real-time data to an integrated server, updating an initial ground exploration value in a soil layer parameter module, and replacing the initial ground exploration value with a soil layer parameter acquired in real time;

before manual input or acquisition of data, coding monitoring points in advance according to a certain sequence and rule, transmitting real-time data to an integrated server, updating an initial ground survey value in a soil layer parameter module, and replacing the initial ground survey value with soil layer parameters acquired in real time; after the data passes through the corresponding module analysis end, the multi-source heterogeneous data is subjected to unified processing and is stored in a database in a data table form according to the preset monitoring point codes;

the method comprises the steps that soil layer conditions, postures, mud surface heights and internal force data of current nodes of the open caisson are comprehensively planned by analysis ends of a soil layer parameter module, an open caisson geometric state evaluation module, a mud surface monitoring module and an open caisson structure stress-strain monitoring and analyzing module, and an open caisson three-dimensional simulation model is constructed;

4) the receiving height sinking calculation and process selection module selects the receiving height and the construction process of the next stage of the open caisson under the current condition, generates a construction scheme, and transmits the construction scheme to the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module for generating a corresponding open caisson geometric attitude change expected value, a mud surface change expected value and an open caisson structure stress and deformation expected value;

5) the inversion analysis module receives monitoring data according to the soil layer parameter module, the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module, and carries out inversion according to a scheme generated by the current high-and-low-sinking calculation and process selection module: if the inversion result is close to the actual situation, the inversion result is gathered to an instruction automatic generation, automatic pre-judgment and issuing module, the module carries out overall decision of the scheme to generate a final scheme, a calculation result export module exports data and stores the data in a server, and meanwhile monitoring and calculation results of all the modules are pushed to a system control client; if the difference between the inversion result and the actual situation is large or the result is unreasonable, each module performs data re-acquisition and calculation;

6) the instruction automatic generation, automatic prejudgment and issuing module sends an instruction to the excavation equipment clustering control module and operates each equipment instrument to carry out soil taking excavation;

7) in the process of sinking of the open caisson soil taking excavation, the open caisson geometric attitude assessment and suggestion module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module monitor the geometric attitude, the mud surface height and the structure internal force and deformation of the open caisson, and if the relative parameter change of the open caisson exceeds an allowable value, early warning is carried out;

the method specifically comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X₁Less than or equal to the allowable value X₂The instruction is automatically generated, is automatically pre-judged and is issued to the module control client for prompting, and the original excavation sinking construction instruction is not changed under the condition of primary early warning;

during three-level early warning, the monitoring value Y exceeds the allowable value X₃The instruction automatic generation, automatic prejudgment and issuing module can immediately terminate the current construction scheme, and simultaneously the instruction automatic generation, automatic prejudgment and issuing module can generate a new construction scheme or a new remediation scheme to be pushed to the system control client.

The invention at least comprises the following beneficial effects:

1) the construction system covers the whole process from the scheme formulation to the open caisson operation stage in the open caisson construction process, and realizes the intelligent operation of the whole process and the whole period of the open caisson construction.

2) By arranging various analysis and calculation modules, a large amount of repeated calculation performed manually in the scheme design and change stage is avoided, manpower is liberated, and design and analysis efficiency is improved.

3) Through setting up multiple monitoring module, can realize the incessant intelligent monitoring of open caisson construction and operation overall process, ensure the all-round accuse to the current situation of open caisson to can establish three-dimensional simulation model, make the monitoring data look like, three-dimensional, can assist technical staff to carry out the construction better.

4) Through dynamic real-time monitoring, dynamic adjustment of the excavation method can be carried out, the timeliness of operation is ensured, complicated operation carried out manually is avoided, intelligent decision can be carried out to generate a corresponding construction scheme, and the required land occupation time and labor cost for scheme change are greatly saved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a construction method route diagram of the whole-process intelligent construction system utilizing a large open caisson in the invention;

fig. 2 is a flow chart of an engineering application of the whole process control method for large open caisson construction.

Detailed Description

The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before describing the present invention in detail with reference to the accompanying drawings, it is to be noted that: the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.

Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.

The invention is further described in detail with reference to the accompanying drawings and implementation, and the specific implementation process is as follows:

the whole process of open caisson construction comprises the following steps: (1) foundation treatment and first section open caisson making stage; (2) an open caisson borrowing and sinking stage; (3) and (5) concrete pouring stage.

As shown in fig. 1, the invention provides a method for controlling the whole process of large open caisson construction, which comprises the following steps: the system comprises a soil layer parameter module, a high-and-low sinking combined module, a foundation processing module, a sunk well geometric state evaluation module, a mud surface monitoring module, a sunk well structure stress strain monitoring and analyzing module, a high-and-low sinking calculation and process selection module, an inversion analyzing module, a calculation result exporting module, an instruction automatic generation and automatic prejudgment and issuing module, an excavation equipment clustering control module and a system control client side;

the soil layer parameter module consists of a soil layer parameter acquisition end and a soil layer parameter analysis end, the soil layer parameter acquisition end is installed on the open caisson structure, and the soil layer parameter analysis end is integrated on the server; the soil layer parameter acquisition end acquires hydrology and geological parameters in the open caisson construction site and transmits the hydrology and geological parameters to the soil layer parameter analysis end, if: soil layer and elevation, water level, cohesive force, internal friction angle, water content and the like; in the embodiment, the soil layer parameter acquisition end is divided into an instrument acquisition system and a manual input system, and can acquire parameters through a sensor of the soil layer parameter acquisition end or manually input geological survey parameters respectively; the instrument acquisition system is composed of various sensors and a plurality of wireless transmission acquisition devices, and can realize real-time monitoring of hydrographic and geological conditions around the open caisson. The manual input system can directly input the geological survey value by a worker through a control system client. The analysis end can utilize the data acquired by the acquisition end to calculate parameters such as foundation bearing capacity, lateral friction resistance and the like by adopting different built-in algorithms, and construct a three-dimensional simulated soil layer model according to the measured or calculated result.

And the height and subsidence connecting combined module is used for analyzing all height connecting schemes in the open caisson height connecting process under the current geological condition, and providing various height and subsidence connecting preliminary combined schemes of the open caisson by combining the soil layer parameter module. The high-rise sinking combined module is integrated on the server, data of the soil layer parameter module is obtained, and various high-rise sinking preliminary combined schemes of the open caisson under the current soil layer condition are obtained through analysis; preferably, the height-connecting and sinking combination module can manually input relevant parameters of each open caisson, such as height, concrete weight and the like. The high-dip combined module is provided with interfaces of various software, parameters can be input manually one by one, and the parameters can be automatically identified and calculated by importing files of other formats for storage and analysis.

The foundation processing module is used for determining a sand pile reinforcing scheme meeting the current stratum characteristics and the open caisson quality requirements, acquiring data of the high-sinking combined module, and determining a first open caisson high-receiving scheme and a corresponding foundation processing scheme; when the scheme of sand pile reinforcement foundation design is carried out on the soft foundation where the open caisson is located, the lifting effect of the consolidation effect of the sand pile reinforcement foundation on the bearing capacity of the foundation is considered, the enhancement of the foundation strength of the blade foot under the diffusion area and the consolidation effect of the sand cushion layer is considered, and the combined scheme of high-sinking and sinking of the open caisson is optimized according to the scheme of sand pile reinforcement.

The open caisson geometric attitude assessment and suggestion module is used for monitoring and recording the change conditions of the depth and the attitude in the open caisson construction process, providing early warning, and providing a correction suggestion according to the attitude of the current condition of the open caisson. The open caisson geometric state evaluation module consists of an open caisson geometric state acquisition end and an open caisson geometric state analysis end; the open caisson geometric state acquisition end acquires the current open caisson geometric attitude information and transmits the current open caisson geometric attitude information to the open caisson geometric state analysis end, and the open caisson geometric state analysis end analyzes and evaluates the current open caisson attitude according to the acquired data; meanwhile, the open caisson geometric state analysis end calculates an open caisson geometric attitude change expected value based on a soil layer parameter module and a height and sinking calculation and process selection module, wherein the open caisson geometric attitude change expected value comprises the elevation, the direction, the deflection angle, the inclination angle and the like of the open caisson;

the mud surface monitoring module is used for monitoring and analyzing the change condition of the mud surface at the bottom of the well after the open caisson is excavated and sunk, analyzing the mud surface change rule in the open caisson construction process, and when the mud surface height exceeds an allowable value, giving an early warning and giving a correction suggestion according to the posture of the current condition of the open caisson. Specifically, the mud surface monitoring module consists of a mud surface monitoring and collecting end and a mud surface monitoring and analyzing end, wherein the mud surface monitoring and collecting end acquires the height information of the mud surface of the current open caisson and transmits the height information to the mud surface monitoring and analyzing end, and the mud surface monitoring and analyzing end analyzes and evaluates the current mud surface condition by using the data acquired by the mud surface monitoring and collecting end; meanwhile, a mud surface monitoring and analyzing end calculates an expected mud surface change value based on a high-dip connection calculation and process selection module, wherein the expected mud surface change value is the elevation of the mud surface in the open caisson;

the open caisson structure stress-strain monitoring and analyzing module is used for monitoring and recording the change conditions of the stress and deflection of the open caisson structure in the open caisson construction process, calculating local structure internal force according to the external force applied to the open caisson, and carrying out early warning and providing a correction suggestion according to the stress-strain condition of the open caisson under the current condition. Specifically, the method comprises the following steps: the open caisson structure stress-strain monitoring and analyzing module consists of an open caisson structure stress-strain acquisition end and an open caisson structure stress-strain analyzing end; the open caisson structure stress-strain acquisition end acquires the stress-strain information of the current open caisson and transmits the stress-strain information to the open caisson structure stress-strain analysis end, and the open caisson structure stress-strain analysis end analyzes and evaluates the stress deformation condition of the current open caisson by using the data acquired by the open caisson structure stress-strain acquisition end; meanwhile, the open caisson structure stress-strain analysis end calculates the stress and deformation expected values of the open caisson structure based on the data of the open caisson geometric state evaluation module and the mud surface monitoring module, and formulates an open caisson posture and stress adjustment scheme;

the height-connection sinking calculation and process selection module calculates sinking coefficients of the open caisson in each stage, determines an area to be excavated, performs excavation process comparison selection and optimization by combining with open caisson structure stress, and generates an open caisson excavation sinking process scheme, wherein the excavation sinking process scheme comprises the following steps: the method comprises the following steps of pot bottom excavation, cross pull groove excavation, reserved core soil excavation and the like; the sinking coefficient is mainly determined by 2 aspects, one is the gravity of the open caisson itself, i.e. the downward force, and the other is the frictional resistance provided by the surrounding formation and the end resistance, i.e. the force resisting the downward movement of the open caisson. The gravity part is mainly characterized in that the gravity is obtained by connecting a high sinking combined module to obtain the information of the volume, the density, the mass, the structure and the like of each section of open caisson; the friction resistance and the end resistance are key parameter values such as the ultimate side friction resistance of the soil layer, the ultimate foundation bearing capacity and the like obtained by the soil layer parameter module.

The inversion analysis module is integrated on the server, and performs inversion based on monitoring information and calculation data of the modules (the soil layer parameter module, the high-sinking combined module, the foundation processing module, the high-sinking calculation and process selection module, the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structural stress and strain monitoring and analysis module) to obtain key parameters such as soil layer side friction resistance, foundation bearing capacity, structural stress and the like, so that the rationality of monitoring and calculation results is judged.

The calculation result export module is integrated on the server, can integrate and export the calculation results of different modules for storage, and is convenient for technical staff to carry out later data analysis and processing.

The instruction automatic generation, automatic prejudgment and issuing module is integrated on the server, the analysis and monitoring results of the modules are integrated and analyzed to generate an open caisson construction integral scheme and an instruction, and a final excavation soil taking scheme is provided.

the system control client is installed on a computer or the mobile phone as an application program and is used as a medium for interaction between technicians and a control method of the whole process of large open caisson construction.

The system control client adopts a C/S framework, receives the early warning signals and scheme instructions provided by all the modules, and can control all the modules from the control system client by workers. Each module is used for receiving monitoring data, early warning signals and scheme instructions of all the other modules except the system control client, and displaying the monitoring data, the early warning signals and the scheme instructions on screens of carriers such as computers and mobile phones for users to watch. The system control client can display data monitored and analyzed by various modules in the whole open caisson construction process, the display form is divided into a chart and a curve, and the display form can be manually adjusted. The control system client is provided with a three-dimensional model simulation interface, and different monitoring parameters can be displayed in the three-dimensional model simulation interface in a three-dimensional mode under the support of various real-time data. The control system client receives the early warning signals and scheme instructions provided by the modules, and can control the modules from the control system client by workers.

In the above embodiment, the modules are linked by, but not limited to, the following ways: the soil layer parameter module, the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module are connected with the collecting end and the analyzing end through 4G/5G signals, the excavation equipment clustering control module is connected with the instruction automatic generation module, the automatic prejudgment module and the issuing module through 4G/5G signals, and information is transmitted among the other modules in a manner of reading through a server hard disk.

Furthermore, each module ground acquisition end is composed of various sensors and a plurality of wireless transmission acquisition devices, the various sensors are connected with the wireless transmission acquisition devices in a wired mode, and the wireless transmission acquisition devices transmit monitoring data to the analysis end through a 4G/5G network. The number and installation positions of the sensors are designed according to actual construction drawings, the sensors required by each module are shown in table 1, and the sensors required by each module include, but are not limited to, the types described in table 1.

TABLE 1 Sensors required for the modules

The acquisition end of the module is composed of various sensors (including but not limited to a soil pressure gauge, a digital liquid level meter, a Beidou displacement sensor, a laser displacement meter and a strain gauge) and a plurality of wireless transmission acquisition devices, wherein the sensors are connected with the wireless transmission acquisition devices in a wired mode, and the wireless transmission acquisition devices transmit data to the analysis end of the module through a 4G/5G network.

The data input and acquisition principle of each module is as follows: before manual input or collection of data, monitoring points need to be coded in advance according to a certain sequence and rule, after the data passes through an analysis end, multi-source heterogeneous data need to be subjected to unified processing, the data are stored in a database in a data table mode according to preset monitoring point codes, and basic data are provided for subsequent calculation and calling.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the soil layer parameter module can dynamically monitor related stratum parameters in the open caisson construction process and generate an open caisson three-dimensional simulation model.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: and the foundation treatment module calculates the diffusion area of the blade foot on the sand cushion layer and the ultimate bearing capacity of the foundation under the current consolidation condition, and analyzes the bearing capacity based on the consolidation action.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the elevation and subsidence calculation and process selection module is internally provided with a plurality of construction processes and support mode simulation programs and can simulate a plurality of different construction states; the elevation and subsidence calculation and process selection module is internally provided with a deep learning program, and the accuracy of decision making can be enhanced by manually inputting a construction case and continuously upgrading feedback data in the construction process.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the open caisson geometric state evaluation module establishes an open caisson three-dimensional simulation model based on the soil layer parameter module, and displays the self posture of the open caisson and the relative position relation with the soil layer in an imaging mode. Different modules provide different data supports for the open caisson three-dimensional simulation model, for example, soil layer information around the open caisson is provided by a soil layer parameter module, the open caisson geometric posture is provided by a geometric state evaluation module, and all the modules act together, so that a complete three-dimensional simulation dynamic model is constructed.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the open caisson geometrical state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module perform early warning after the monitoring value exceeds an allowable value;

the method specifically comprises the following steps: the primary early warning means that information such as soil layer parameters, stress conditions, deformation conditions and the like in the open caisson excavation sinking process is deviated from original calculation parameters, calculation results or allowable values to a certain extent, but the difference is within a certain range, under the condition, a prompt is given at a control system client, under the condition of the primary early warning, original excavation sinking construction instructions cannot be changed, and if a construction scheme needs to be changed, manual operation is needed for intervention. During primary early warning, the monitoring value Y exceeds the allowable value X₁Less than or equal to the allowable value X₂The instruction is automatically generated, is automatically pre-judged and is issued to a module control system control client for prompting, and the original excavation sinking construction instruction is not changed under the condition of primary early warning;

the secondary early warning means that information such as soil layer parameters, open caisson stress conditions and deformation conditions in the open caisson excavation sinking process are greatly changed compared with original calculation parameters, calculation results or allowed values, under the condition, the information can be prompted at a control system client, under the condition of secondary early warning, original excavation sinking construction instructions cannot be changed, but the system can automatically generate a new excavation sinking construction scheme according to the current condition and pushes the new excavation sinking construction scheme to the control system client, a technician determines whether to change the construction scheme, and meanwhile, the technician determines whether to change the construction scheme or notThe personnel can also manually correct or input a new construction scheme according to the actual situation on site. During secondary early warning, the monitoring value Y exceeds the allowable value X₂Less than or equal to the allowable value X₃The instruction automatic generation, automatic prejudgment and issuing module controls the client to prompt, the original excavation sinking construction instruction cannot be changed, but the instruction automatic generation, automatic prejudgment and issuing module automatically generates a new excavation sinking construction scheme according to the current situation and pushes the new excavation sinking construction scheme to the system control client, a technician determines whether to change the construction scheme or not, and the technician can manually correct or input the new construction scheme according to the actual situation on site;

the three-stage early warning means that information such as soil layer parameters, open caisson stress conditions and deformation conditions in the open caisson excavation and sinking process are greatly changed compared with original calculation parameters, calculation results or allowable values, and the performance of the three-stage early warning may be large-scale deflection and deviation of the open caisson, large deformation of the open caisson structure and even possible imminent cracking. During three-level early warning, the monitoring value Y exceeds the allowable value X₃The instruction automatic generation, automatic prejudgment and issuing module can immediately stop the current construction scheme, and simultaneously, the high-settlement calculation and process selection module generates a new construction scheme or a new remedy scheme which is pushed to a system control client side for intervention of technicians.

The method specifically comprises the following steps: the system comprises a geometric attitude evaluation module, a mud surface monitoring module and a caisson structure stress-strain monitoring and analyzing module, wherein an allowable value is designed according to parameters obtained by current monitoring, and the allowable value is transmitted to an instruction automatic generation, automatic prejudgment and issuing module; if the alarm is a second-level alarm; the method comprises the steps that a high-dip connection calculation and process selection module is controlled to generate a new command according to real-time monitoring values of a current geometric attitude evaluation module, a mud surface monitoring module and a sunk well structure stress-strain monitoring and analysis module, if the current geometric attitude evaluation module is 3-level early warning, an excavation equipment clustering control module is controlled, construction of various excavation machines on a sunk well is stopped by the excavation equipment clustering control module, and the high-dip connection calculation and process selection module is controlled to generate a new scheme by the command automatic generation module, the automatic prejudgment module and the issuing module.

The principle that the module for automatically generating, pre-judging and issuing the instruction performs early warning and the instruction issues the instruction is as follows: the early warning level is divided into a first-stage early warning, a second-stage early warning and a third-stage early warning from low to high, the first-stage early warning means that information such as soil layer parameters, stress conditions and deformation conditions in the open caisson excavation and sinking process is compared with original calculation parameters, calculation results or allowable values to generate certain deviation, but the difference is within a certain range, in the case, prompting can be carried out at a control system client, in the case of the first-stage early warning, original excavation and sinking construction instructions cannot be changed, and if a construction scheme needs to be changed, manual operation is needed to intervene. The secondary early warning means that information such as soil layer parameters, open caisson stress conditions and deformation conditions in the open caisson excavation sinking process are greatly changed compared with original calculation parameters, calculation results or allowed values, under the condition, prompting can be carried out at a control system client, under the condition of secondary early warning, original excavation sinking construction instructions cannot be changed, but a new excavation sinking construction scheme can be automatically generated by the system according to the current condition and is pushed to the control system client, a technician determines whether to change the construction scheme, and meanwhile, the technician can manually correct or input the new construction scheme according to actual field conditions. The three-stage early warning means that information such as soil layer parameters, open caisson stress conditions and deformation conditions in the open caisson excavation and sinking process are greatly changed compared with original calculation parameters, calculation results or allowable values, and the performance of the three-stage early warning may be large-scale deflection and deviation of the open caisson, large deformation of the open caisson structure and even possible imminent cracking.

The technical scheme can also comprise the following technical details so as to better realize the technical effects: the automatic instruction generation, automatic pre-judgment and issuing module is internally provided with a deep learning program which collects data of the open caisson geometric attitude evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module, calculates and analyzes data to obtain an open caisson geometric attitude change expected value, a mud surface change expected value and an open caisson structure stress and deformation expected value, can realize the advanced pre-judgment of the open caisson instruction and improve the effectiveness of the instruction. The deep learning program is arranged in the system, and the excavation modes adopted under specific geological conditions, open caisson scale and other factors can be manually input, so that reference materials are provided for the prejudgment and generation of the instructions, and meanwhile, after the module generates the instructions, the instructions and the feedback effect after the instructions are executed can be automatically recorded and stored in the deep learning program, and materials are provided for the subsequent construction instruction generation.

In the foundation treatment and heightening scheme comparing and selecting stage of open caisson construction, the system control client manually inputs the geological survey parameters into the stratum parameter module to serve as initial analysis parameters, and the heightening and sinking combination module and the foundation treatment module are utilized to determine the number of open caisson first heightening and the foundation treatment scheme, so as to guide constructors to determine the foundation treatment scheme and the first heightening scheme.

In the sinking stage of open caisson excavation, the soil layer parameter module carries out real-time soil layer parameter monitoring and correction, the height and sinking calculation and process selection module carries out height and sinking calculation and analysis to select the excavation process according to current real-time soil layer parameters, the open caisson geometric posture evaluation and suggestion module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analysis module monitor relevant parameters of the open caisson under the current condition, and calculate according to the construction scheme generated by the height and sinking calculation and process selection module and obtain the expected value of the relevant data. And the inversion analysis module performs inversion according to the monitoring results of the modules so as to ensure the correctness of the calculation result and the effectiveness of the generated scheme, and the monitoring results, the calculation result and the inversion results of the modules are pushed into the system control client through the calculation result export module. After inversion analysis, the instruction automatic generation, automatic prejudgment and issuing module generates an instruction according to the analysis result of each module, and finally transmits the instruction to the excavation equipment clustering control module, so that each excavation machine is instructed to perform excavation construction according to the scheme. The change condition of each monitoring item along with the open caisson construction can be displayed on the system control client side, and technicians can intervene in the construction process through the system control client side.

As shown in fig. 2, the invention also provides an application of the whole process control method for large open caisson construction, which comprises the following steps:

2) the high-connection sinking combined module and the foundation treatment module generate a first open caisson high-connection scheme and a corresponding foundation treatment scheme according to the initial geological survey value and carry out related construction;

3) installing a soil layer parameter acquisition end, an open caisson geometric state acquisition end, a mud surface monitoring acquisition end and an open caisson structure stress strain acquisition end on an open caisson structure, transmitting real-time data to an integrated server, updating an initial geological survey value in a soil layer parameter module, and replacing the initial geological survey value with a soil layer parameter acquired in real time;

before manual input or acquisition of data, coding monitoring points in advance according to a certain sequence and rule, transmitting real-time data to an integrated server, updating an initial ground survey value in a soil layer parameter module, and replacing the initial ground survey value with soil layer parameters acquired in real time; after the data passes through the corresponding module analysis end, the multi-source heterogeneous data is subjected to unified processing, and the data is stored in a database in a data table form according to a preset monitoring point code so as to provide basic data for subsequent calculation and calling;

the method comprises the following steps of performing overall planning on data such as peripheral soil conditions, postures, mud surface heights and internal forces of current nodes of the open caisson by analysis ends of a soil layer parameter module, an open caisson geometric state evaluation module, a mud surface monitoring module and an open caisson structure stress-strain monitoring and analyzing module, and constructing a three-dimensional open caisson simulation model;

4) calling a receiving height and sinking calculation and process selection module to select a receiving height and a construction process of the next stage of the open caisson under the current condition, generating a construction scheme, and transmitting the construction scheme to an open caisson geometric state evaluation module, a mud surface monitoring module and an open caisson structure stress-strain monitoring and analyzing module for generating a corresponding open caisson geometric attitude change expected value, a mud surface change expected value and an open caisson structure stress and deformation expected value; the high-connection sinking calculation and process selection module can display the attitude and structural parameters of the open caisson and the parameters of the surrounding stratum in a three-dimensional mode on one hand, and has the function of a numerical calculation model on the other hand.

5) The inversion analysis module receives monitoring data according to the soil layer parameter module, the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module, and carries out inversion according to a scheme generated by the current height-connection and sinking calculation and process selection module: if the inversion result is close to the actual situation, the monitoring and calculating data are accurate, the schemes generated by the modules have applicability, the schemes are gathered to an instruction automatic generation module, an automatic pre-judgment module and a sending module, the modules perform overall decision of the schemes to generate a final scheme, the data are exported and stored in a server through a calculation result export module, and meanwhile, the monitoring and calculating results of the modules are pushed to a system control client; if the difference between the inversion result and the actual situation is large or the result is unreasonable, unreasonable parameters exist in the monitored and calculated data, and each module acquires and calculates the data again;

the method comprises the following specific steps: during primary early warning, the monitoring value Y exceeds the allowable value X₁Less than or equal to an allowable value X₂The instruction is automatically generated, is automatically pre-judged and is issued to the module control client for prompting, and the original excavation sinking construction instruction is not changed under the condition of primary early warning;

during secondary early warning, the monitoring value Y exceeds the allowable value X₂Less than or equal to the allowable value X₃The instruction automatic generation, automatic prejudgment and issuing module controls the client to prompt, the original excavation sinking construction instruction cannot be changed, but the instruction automatic generation, automatic prejudgment and issuing module automatically generates a new excavation sinking construction scheme according to the current situation and pushes the new excavation sinking construction scheme to the system control client, a technician determines whether to change the construction scheme or not, and the technician can manually correct or input the new construction scheme according to the actual situation on site;

during three-level early warning, the monitoring value Y exceeds the allowable value X₃The instruction automatic generation, automatic prejudgment and distribution module can immediately terminate the current construction scheme, and meanwhile, the instruction automatic generation, automatic prejudgment and distribution module can generate a new construction scheme or a new remediation scheme which is pushed to a system control client side and intervened by technical personnel.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims

1. A whole process control method for large open caisson construction is characterized by comprising the following steps: the system comprises a soil layer parameter module, a high-and-low sinking combined module, a foundation processing module, a sunk well geometric state evaluation module, a mud surface monitoring module, a sunk well structure stress strain monitoring and analyzing module, a high-and-low sinking calculation and process selection module, an inversion analyzing module, a calculation result exporting module, an instruction automatic generation and automatic prejudgment and issuing module, an excavation equipment clustering control module and a system control client side;

the soil layer parameter module consists of a soil layer parameter acquisition end and a soil layer parameter analysis end, the soil layer parameter acquisition end is installed on the open caisson structure, and the soil layer parameter analysis end is integrated on the server; the soil layer parameter acquisition end acquires hydrological and geological parameters in the open caisson construction site and transmits the hydrological and geological parameters to the soil layer parameter analysis end, and the soil layer parameter analysis end calculates and obtains key parameter values through a built-in algorithm;

the high-rise sinking combination module is integrated on the server, the data of the soil layer parameter module is obtained, and various high-rise sinking preliminary combination schemes of the open caisson under the current soil layer condition are obtained through analysis;

the height-connection sinking calculation and process selection module calculates sinking coefficients of all stages of the open caisson, determines an area to be excavated, and performs excavation process comparison selection and optimization by combining with the stress of the open caisson structure to generate an open caisson excavation sinking process scheme;

the inversion analysis module is integrated on the server and performs inversion based on the monitoring information and the calculation data of each module to obtain key parameters, so that the rationality of the monitoring and calculation results is judged;

the system control client is installed on a computer or the mobile phone as an application program.

2. The whole process control method for large open caisson construction as claimed in claim 1, wherein the soil layer parameter module dynamically monitors relevant stratum parameters and generates a three-dimensional simulation model of the open caisson.

3. The whole process control method for large open caisson construction as claimed in claim 1, wherein the foundation treatment module calculates the diffusion area of the blade foot in the sand cushion layer and the ultimate bearing capacity of the foundation under the current consolidation condition, and performs bearing capacity analysis based on consolidation.

4. The whole process control method for large open caisson construction according to claim 1, wherein the elevation and subsidence calculation and process selection module is internally provided with a plurality of construction processes and support mode simulation programs; the height and sinking calculation and process selection module is internally provided with a deep learning program.

5. The whole process control method for large open caisson construction according to claim 1, wherein the open caisson geometric state evaluation module establishes a three-dimensional simulation model of the open caisson based on the soil layer parameter module.

6. The whole process control method for large open caisson construction according to claim 1, wherein the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module perform early warning after the monitored value exceeds the allowable value;

the method specifically comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X₁Less than or equal to an allowable value X₂The instruction is automatically generated, is automatically pre-judged and is issued to a module control system control client for prompting, and the original excavation sinking construction instruction is not changed under the condition of primary early warning;

during three-level early warning, the monitoring value Y exceeds the allowable value X₃The instruction automatic generation, automatic prejudgment and issuing module can immediately stop the current construction scheme, and simultaneously connect with the high-sinking calculation and process selection module to generate new construction schemeAnd pushing the construction scheme or the remediation scheme to a system control client.

7. The whole process control method for large open caisson construction as claimed in claim 1, wherein the instruction automatic generation, automatic pre-judgment and issuing module is internally provided with a deep learning program which collects and analyzes the data of the open caisson geometric attitude evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module to obtain the open caisson geometric attitude change expected value, the mud surface change expected value and the open caisson structure stress and deformation expected value through calculation and analysis.

8. The whole process control method for large open caisson construction as claimed in claim 1, wherein the cluster control module of excavation equipment is provided with a wireless transmission device, receives the instruction sent by the instruction automatic generation, automatic prejudgment and issuing module through 4G/5G signal, and is connected with various mechanical equipment through wire.

9. The application of the whole process control method for large open caisson construction according to any one of claims 1 to 8, characterized by comprising the following steps:

5) the inversion analysis module receives monitoring data according to the soil layer parameter module, the open caisson geometric state evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analyzing module, and carries out inversion according to a scheme generated by the current height-connection and sinking calculation and process selection module: if the inversion result is close to the actual situation, the inversion result is gathered to an instruction automatic generation, automatic pre-judgment and issuing module, the module carries out overall decision of the scheme to generate a final scheme, a calculation result export module exports data and stores the data in a server, and meanwhile monitoring and calculation results of all the modules are pushed to a system control client; if the difference between the inversion result and the actual situation is large or the result is unreasonable, each module performs data re-acquisition and calculation;

the method comprises the following specific steps: when the first-stage early warning is carried out, the monitoring value Y exceeds the allowable value X₁Less than or equal to the allowable value X₂The instruction is automatically generated, is automatically pre-judged and is issued to the module control client for prompting, and the original excavation sinking construction instruction is not changed under the condition of primary early warning;