CN114638035B - Whole process control method for large open caisson construction and application - Google Patents

Whole process control method for large open caisson construction and application Download PDF

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Publication number
CN114638035B
CN114638035B CN202210259131.6A CN202210259131A CN114638035B CN 114638035 B CN114638035 B CN 114638035B CN 202210259131 A CN202210259131 A CN 202210259131A CN 114638035 B CN114638035 B CN 114638035B
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module
open caisson
monitoring
construction
sinking
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CN114638035A (en
Inventor
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
邱敏
梁晓腾
石章入
姚翔川
贺创波
刘杰
熊栋栋
张瑞元
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CCCC Second Harbor Engineering Co
CCCC Wuhan Harbour Engineering Design and Research Institute Co Ltd
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CCCC Second Harbor Engineering Co
CCCC Wuhan Harbour Engineering Design and Research Institute Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00—Caissons; Construction or placing of caissons
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D23/00—Caissons; Construction or placing of caissons
    • E02D23/08—Lowering or sinking caissons
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G06F30/27—Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/08—Construction
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/10—Numerical modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
    • G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses a whole process control method for large open caisson construction and application thereof, comprising the following steps: the system comprises a soil layer parameter module, a high sinking combination module, a foundation treatment module, an open caisson geometric state evaluation module, a mud surface monitoring module, an open caisson structure stress strain monitoring and analyzing module, a high sinking calculation and process selection module, an inversion analysis module, a calculation result deriving module, an instruction automatic generation, automatic pre-judgment and issuing module, an excavating equipment clustering control module and a system control client. The invention can carry out scheme generation and comparison selection on the whole construction process of the open caisson, monitor and early warn main parameters of the construction stage, automatically correct the scheme according to the change of the parameters and command various machines to carry out construction, thereby greatly simplifying the work tasks of technicians and playing the role of guiding construction.

Description

Whole process control method for large open caisson construction and application
Technical Field
The invention relates to the field of bridge open caisson foundations in the field of civil engineering. More particularly, the invention relates to a whole process control method for large open caisson construction and application thereof.
Background
The open caisson is a tubular structure, which is formed by excavating soil in the well, overcoming the friction resistance of the well wall by self gravity, sinking to the designed elevation, sealing the bottom by concrete and filling the well hole, so that the open caisson becomes the foundation of bridge abutment or other structures. The open caisson has the advantages of large embedding depth, strong integrity, good stability, high bearing capacity, simple construction and small disturbance to surrounding soil mass, so that the open caisson is widely applied to multiple fields of civil engineering.
In the construction process of the large open caisson, various stratum parameters are required to be compiled according to the scheme, but stratum parameter prospecting values obtained in actual construction are often kept relatively conservative, so that the construction scheme is often difficult to advance; the large open caisson is large in mass, so that soil layer influence is large, meanwhile, the large open caisson is long in construction period, stratum parameters are in a dynamic change process in a long construction period, so that a scheme written aiming at a certain specific stratum parameter cannot always guide the construction of the whole open caisson process, and writing, changing and selecting of the scheme are very complicated, so that a great amount of energy is consumed by engineering technicians; the open caisson posture, mud surface height, structural stress and deformation of a large open caisson are difficult to control, and although a plurality of monitoring devices for open caisson posture, mud surface change, structural stress and deformation exist at present, all the monitoring devices need to be monitored by technicians and are constructed according to monitoring results, the monitoring method cannot realize 24-hour all-weather monitoring, and the monitoring devices are difficult to capture in the early stage of engineering problems, so that the open caisson cannot be disposed in time, and bad results are finally caused. Therefore, a method for controlling the whole process of large open caisson construction, which can realize dynamic monitoring, scheme generation, scheme change and excavation control of the whole process of open caisson construction, is needed at present.
Disclosure of Invention
The invention aims to provide a large open caisson construction whole process control method and application, which are used for storing, analyzing and monitoring parameters at each stage of the open caisson construction whole process, and grasping stress conditions and geometric postures at different stages of the open caisson, so as to assist constructors in scheme assignment and comparison selection, automatically calling construction equipment and adjusting construction scheme, and realize dynamic intervention of the open caisson construction whole process, thereby achieving the purpose of intelligent construction of the open caisson construction whole process.
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 sinking combination module, a foundation treatment module, an open caisson geometric state evaluation module, a mud surface monitoring module, an open caisson structure stress strain monitoring and analyzing module, a high sinking calculation and process selection module, an inversion analysis module, a calculation result deriving module, an instruction automatic generation, automatic pre-judgment and issuing module, an excavating equipment clustering control module and a system control client;
the soil layer parameter module is composed of a soil layer parameter acquisition end and a soil layer parameter analysis end, wherein the soil layer parameter acquisition end is arranged on the open caisson structure and can acquire hydrology and geological parameters in the open caisson construction site, such as: 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, and a soil layer parameter analysis end is integrated on a server; the soil layer parameter acquisition end acquires hydrologic and geological parameters in the open caisson construction site and transmits the hydrographic 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 combined module for connecting high and sinking is integrated on a server, data of the soil layer parameter module are obtained, and various preliminary combined schemes for connecting high and sinking of the open caisson under the current soil layer condition are obtained through analysis;
the foundation treatment module acquires data of the height-connecting sinking combination module and determines a first height-connecting scheme of the open caisson 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 current open caisson geometric state information and transmits the current open caisson geometric state information to the open caisson geometric state analysis end, and the open caisson geometric state analysis end analyzes and evaluates the current open caisson posture according to the acquired data; meanwhile, the open caisson geometric state analysis end calculates an expected value of the open caisson geometric posture change based on a soil layer parameter module and a height-connecting sinking calculation and process selection module;
the mud surface monitoring and analyzing end utilizes the data acquired by the mud surface monitoring and acquiring end to analyze and evaluate the current mud surface condition; meanwhile, the mud surface monitoring analysis end calculates a mud surface change expected value based on a height-connected sinking 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 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 utilizing the data acquired by the open caisson structure stress strain acquisition end; meanwhile, the stress-strain analysis end of the open caisson structure calculates expected stress and deformation values of the open caisson structure based on data of the open caisson geometric state evaluation module and the mud surface monitoring module, and a open caisson posture and stress adjustment scheme is formulated;
the height-connection sinking calculation and process selection module calculates sinking coefficients of all stages of the open caisson, determines the area to be excavated, performs excavation process comparison selection and optimization by combining the stress of the open caisson structure, and mainly comprises the following steps: the method comprises the steps of generating a sinking process scheme of open caisson excavation in the forms of bottom excavation, cross broaching excavation, reserved core soil excavation and the like;
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 as to judge the rationality of the monitoring and calculation results;
The calculation result export module is integrated on the server and can integrate, export and store the calculation results of different modules;
the automatic command generation, automatic pre-judgment and issuing module is integrated on the server, and analysis and monitoring results of the modules are integrated and analyzed to generate an open caisson construction integral scheme and a command;
the clustered control module of the excavating equipment receives the command of the automatic generation, automatic pre-judgment and issuing module of the command and commands various excavating equipment connected with the clustered control module of the excavating equipment to construct according to the scheme;
the system control client is used as an application program to be installed on a computer or a mobile phone.
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 a server, and before calculation and analysis are performed, the data of the acquisition system of the artificial control instrument and the data of the artificial input system can be switched, so that the data are specified.
Preferably, the soil layer parameter module dynamically monitors relevant stratum parameters and generates a three-dimensional simulation model of the open caisson.
Preferably, the stratum parameter module can establish a three-dimensional simulation soil layer model according to a manually input land investigation value, can continuously collect stratum parameters in real time in the excavation sinking construction process of the open caisson, realizes the judgment and classification of stratum, and updates the stratum parameters in the three-dimensional geological model to realize the dynamic monitoring of the stratum parameters.
Preferably, the height-connection sinking combination module can manually input relevant parameters of each section of open caisson, such as height, concrete weight and the like.
Preferably, the height-connection sinking combination module is provided with a plurality of format software interfaces, and the open caisson structure diagrams with different formats can be imported into the structure sinking combination module, so that open caisson structure parameters such as variable cross-section area, variable cross-section distance and the like are automatically generated.
Preferably, the height-connection sinking combination module can calculate the mass of each section of open caisson according to the related parameters of the open caisson which are input manually or imported through other software.
Preferably, the height-connecting sinking combination module can judge the relative position relation between each height-connecting sinking feasible combination and different stratum, groundwater and geological structures in the sinking process by calling the soil layer parameter module, and comprehensively analyze the soil layer parameter module in combination with the construction process and the standard to obtain the preliminary combination scheme of the height-connecting sinking feasible of the open caisson under the current soil layer condition.
Preferably, the height-connection sinking combination module can call a soil layer parameter module, and if factors such as stratum parameters or open caisson postures change along with open caisson excavation sinking, the height-connection sinking combination module carries out dynamic continuous updating calculation, so that the applicability of the final height-connection sinking feasible combination is ensured.
Preferably, the foundation treatment module can acquire parameters such as height, quality, cross section and the like of the open caisson by calling the height-connecting sinking combination module, provide basic information for foundation treatment analysis, and provide a plurality of preliminary foundation treatment schemes suitable for current geology and construction conditions.
Preferably, an algorithm is built in the foundation treatment module, so that the foundation bearing capacity required by the open caisson cutting edge under the conditions of the diffusion area of the sand cushion layer and the first high connection can be calculated.
Preferably, the foundation treatment module can call the soil layer parameter module, calculate the soil consolidation effect caused by the open caisson in the primary height connection process according to the soil layer parameters, and correct the primary sand pile reinforcement scheme, so as to provide the final sand pile reinforcement scheme.
Preferably, the foundation treatment module optimizes the open caisson height connection combination scheme according to the sand pile reinforcement scheme, and gives an optimal height connection sinking scheme.
Preferably, the foundation treatment module calculates the diffusion area of the cutting edge foot on the sand cushion layer and the ultimate bearing capacity of the foundation under the current reinforcement condition, and performs bearing capacity analysis based on consolidation.
Preferably, the height-connected sinking calculation and process selection module can call the soil layer parameter module and the height-connected sinking combination module, so that the required excavation area after different soil layers are invaded in the excavation sinking process of the open caisson under various height-connected sinking combination conditions is calculated.
Preferably, the height-connection sinking calculation and process selection module is internally provided with simulation programs of various construction processes and supporting modes, such as large pan bottom excavation, cross-shaped pull groove excavation, core soil conservation excavation, shear key supporting, full-section supporting and the like, can calculate sinking coefficients of the sinking well under various height-connection sinking combination conditions when different construction processes and supporting modes are adopted, and can reasonably partition an open caisson excavation area and perform independent construction process selection on the area, so that the condition that various excavation processes coexist in the whole open caisson excavation process is realized, and process selection is performed according to local conditions.
Preferably, the open caisson height connecting coefficient calculating program is arranged in the open caisson height connecting sinking calculating and process selecting module, so that the open caisson height connecting coefficient when the shear key supporting state, the full-section supporting state and the soil in the cabin are at a certain elevation can be calculated.
Preferably, the deep learning system is built in the height-connected sinking calculation and process selection module, and the excavation mode adopted under the specific geological conditions, the sunk well scale and other factors can be manually imported, so that the reference materials are selected for the process of the height-connected sinking calculation and process selection module, and meanwhile, after the process is selected, the feedback effect in the construction process is automatically recorded and stored in the deep learning program, and the materials are provided for subsequent process selection generation.
Preferably, the height-connection sinking calculation and process selection module can call the soil layer parameter module and the height-connection sinking combination module, and performs calculation and analysis according to the dynamic scheme provided by the height-connection sinking combination module in the sinking process of the open caisson excavation, so as to dynamically update the construction process.
Preferably, the open caisson geometric state evaluation module consists of a collection end and an analysis end, wherein the collection end is arranged on the open caisson structure and consists of a Beidou positioning sensor and a wireless transmission collection device, and can monitor the real-time position and the height of the open caisson. The analysis end of the open caisson geometric state assessment module is integrated on the server, and data measured by the acquisition end of the open caisson geometric state assessment module can be stored and analyzed.
Preferably, the Beidou positioning sensor is connected with the wireless transmission acquisition device in a wired mode, and performs data transmission to an analysis end located on the server through the wireless transmission 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 inclined, deflected and other postures of the open caisson can be analyzed according to the positions and the 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 height-connection sinking calculation and process selection module, so that a three-dimensional simulation model is constructed, and the current height-connection combination condition of the open caisson, the relative position relation between the open caisson and the stratum and the open caisson posture change condition are displayed in real time in the model.
Preferably, the open caisson geometric state evaluation module may call the connect-high subsidence calculation and process selection module, and the connect-high subsidence calculation and process selection module may give out a construction process to perform analysis calculation, and obtain an expected value of the open caisson geometric posture change.
Preferably, the open caisson geometric posture assessment and suggestion module automatically gives an alarm when a large deviation occurs in the open caisson posture, and gives a deviation correction scheme according to the current deviation condition.
Preferably, the mud surface monitoring module consists of a collecting end and an analyzing end, wherein the collecting end consists of a plurality of laser displacement sensors and a wireless transmission collecting device, can continuously monitor the mud surface displacement of the soil body in the open caisson in the construction process of the open caisson, and transmits data to the analyzing end. The analysis end of the mud surface monitoring module is integrated on the server, and can store and analyze the data transmitted by the acquisition end of the mud surface monitoring module.
Preferably, the laser displacement sensor in the mud surface monitoring module is connected with the wireless transmission acquisition device in a wired mode, and transmits signals to an 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 in the open caisson and the soil layer parameter.
Preferably, the mud surface monitoring module can call the soil layer parameter module and the open caisson geometric posture evaluation and suggestion module, and 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 mud surface height and the change rate thereof, and perform early warning when the mud surface height or the change rate of the mud surface height reaches a certain value.
Preferably, the open caisson structure stress strain monitoring and analyzing module consists of a collecting end and an analyzing end, wherein the collecting end consists of a static level gauge, a strain gauge and a wireless transmission collecting device, and can monitor internal stress of different parts of the open caisson structure and deflection changes of parts such as a well wall, a partition wall and the like. The analysis end of the open caisson structure stress strain monitoring and analysis module can record and analyze data acquired by the acquisition end of the open caisson structure stress strain monitoring and analysis module.
Preferably, a static level gauge and a strain gauge in the open caisson structure stress-strain monitoring and analyzing module are connected with the wireless transmission acquisition device in a wired mode, and the wireless transmission acquisition device transmits signals to an analyzing end located on a 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, early warning is carried out and a deviation correcting scheme is provided.
Preferably, the inversion analysis module can adjust all the modules, and invert according to the stratum parameters, construction process, open caisson posture, internal force and other data provided by each module, so as to ensure the accuracy of calculation results and correct part of data.
Preferably, if the inversion result is greatly different from the monitoring or analysis result of other modules, or the inversion presents a result which is unfavorable for the safety construction of the open caisson, early warning is carried out.
Preferably, the automatic instruction 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 automatic command generating, automatic pre-judging and issuing module can realize advanced pre-judging of the open caisson command and improve the effectiveness of the command by analyzing the open caisson geometric posture evaluation and suggestion module, the mud surface monitoring module and the open caisson structure stress strain monitoring and analyzing module to calculate and analyze the open caisson geometric posture change expected value, the mud surface change expected value and the open caisson structure stress and deformation expected value.
The deep learning program is arranged in the device, and the excavation mode adopted under the specific geological conditions, the sunk well scale and other factors can be manually input, so that reference materials are provided for the pre-judgment and generation of the instructions, meanwhile, after the instructions are generated by the module, the feedback effects of the instructions and the executed instructions are automatically recorded and stored in the deep learning program, and materials are provided for the generation of the follow-up construction instructions.
Preferably, various mechanical devices in the excavating device cluster control module comprise, but are not limited to, excavating and soil-taking equipment such as a mobile trolley, a rotary drilling machine, a high-pressure water jet four reamer, an air dredge and the like.
Preferably, the excavation equipment cluster 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 control.
Preferably, the control system client adopts a C/S architecture design, so that data obtained by monitoring and analyzing various modules in the whole open caisson construction process can be displayed, and the display form is divided into a chart and a curve and can be adjusted manually.
Preferably, the control system client is provided with a three-dimensional model simulation interface, and different monitoring parameters can be displayed in a three-dimensional mode on the three-dimensional model simulation interface 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 the staff can control the modules from the control system client.
Data input and acquisition principle: before the manual input or collection of the data, the monitoring points are required to be encoded according to a certain sequence and rule in advance, after the data pass through the analysis end, the multisource heterogeneous data are required to be processed in a unified mode, and the multisource heterogeneous data are stored in a database in a data table mode according to the preset monitoring point codes to provide basic data 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 the allowable value;
The method comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X 1 Less than or equal to the allowable value X 2 The automatic generation, automatic prejudgment and issuing module control system of the instruction controls the client to prompt, and the original excavation sinking construction instruction cannot be changed under the condition of primary early warning;
during secondary early warning, the monitoring value Y exceeds the allowable value X 2 Less than or equal to the allowable value X 3 The automatic command generation, automatic pre-judgment and issuing module controls the client to prompt, the original excavation sinking construction command is not changed, but the automatic command generation, automatic pre-judgment 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;
during three-level early warning, the monitoring value Y exceeds the allowable value X 3 The automatic instruction generation, automatic pre-judgment and issuing module can immediately terminate the current construction scheme, and meanwhile, the height-connected sinking calculation and process selection module generates a new construction scheme or a new remedy scheme and pushes the new construction scheme or the new remedy scheme to the system control client.
In the foundation treatment and high-connection scheme comparison and selection stage of open caisson construction, the system control client can be used for inputting the geological survey parameters into the stratum parameter module by manpower to serve as initial analysis parameters, and the high-connection sinking combination module and the foundation treatment module are utilized to determine the quantity of first high connection of the open caisson and the foundation treatment scheme, so as to guide constructors to determine the foundation treatment scheme and the first high-connection scheme.
In the open caisson excavation sinking stage, the soil layer parameter module monitors and corrects soil layer parameters in real time, the current real-time soil layer parameters are used as the basis, the height-connecting sinking calculation and process selection module calculates and analyzes and selects an excavation process, the open caisson geometric posture assessment 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 the open caisson geometric posture assessment and suggestion module and the open caisson structure stress strain monitoring and analysis module calculate and obtain expected values of relevant data according to the construction scheme generated by the height-connecting sinking calculation and process selection module. The inversion analysis module performs inversion according to the monitoring results of each module, so that the correctness of the calculation results and the effectiveness of the generation scheme are ensured, and the monitoring results, the calculation results and the inversion results of each module are pushed into the system control client through the calculation result export module. After inversion analysis, the command automatic generation, automatic prejudgment and issuing module generates a command according to the analysis results of the modules and finally transmits the command to the excavation equipment cluster 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 also be displayed on the system control client, and technicians can intervene in the construction process through the system control client.
The invention also provides an application of the whole process control method for large open caisson construction, which comprises the following steps:
1) Inputting the initial geological survey value into a soil layer parameter module through a control system client;
2) The combined module for connecting the height and sinking and the foundation treatment module generate a scheme for connecting the height of the open caisson for the first time and a corresponding foundation treatment scheme according to the initial land survey value, and perform relevant construction;
3) The soil layer parameter acquisition end, the open caisson geometric state evaluation module acquisition end, the mud surface monitoring module acquisition end and the open caisson structure stress strain monitoring and analyzing module acquisition ends are arranged on the open caisson structure, real-time data are transmitted to the integrated server, and initial land investigation values in the soil layer parameter module are updated to be replaced by real-time acquired soil layer parameters;
before manual data input or acquisition, encoding monitoring points in a certain sequence and rule in advance, transmitting real-time data to an integrated server, updating an initial land investigation value in a soil layer parameter module, and replacing the initial land investigation value with a soil layer parameter acquired in real time; after the data passes through the analysis end of the corresponding module, unified processing is carried out on the multi-source heterogeneous data, and the multi-source heterogeneous data is stored in a database in a data table form according to preset monitoring point codes;
The analysis ends of 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 analysis module carry out overall planning on surrounding soil layer conditions, postures, mud surface heights and internal force data of the current node of the open caisson and construct a three-dimensional simulation model of the open caisson;
4) The sinking calculation and process selection module is used for selecting the next-stage sinking and construction process of the open caisson under the current condition, generating a construction scheme, transmitting 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 analysis module, and generating a corresponding open caisson geometric posture 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 analysis module, and performs inversion according to the scheme generated by the current height connection subsidence calculation and process selection module: if the inversion result is similar to the actual situation, summarizing the inversion result to an automatic instruction generation, automatic prejudgment and issuing module, carrying out overall decision of the scheme by the module to generate a final scheme, exporting data by a calculation result export module, storing the data in a server, and pushing monitoring and calculation results of each module to a system control client; if the inversion result has larger difference with the actual situation or the result is unreasonable, each module carries out data re-acquisition and calculation;
6) The automatic instruction generation, automatic pre-judgment and issuing module sends an instruction to the excavating equipment clustering control module and controls equipment instruments to perform soil sampling excavation;
7) In the soil taking, excavating and sinking process of the open caisson, the open caisson geometric posture assessment and suggestion module, the mud surface monitoring module and the open caisson structure stress strain monitoring and analysis module monitor the geometric posture, the mud surface height, the internal force and the deformation of the structure of the open caisson, and if the change of the related parameters of the open caisson exceeds the allowable value, early warning is carried out;
the method comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X 1 Less than or equal to the allowable value X 2 The automatic generation, automatic prejudgment and issuing module of the instruction controls the client to prompt, and the original excavation sinking construction instruction cannot be changed under the condition of primary early warning;
during secondary early warning, the monitoring value Y exceeds the allowable value X 2 Less than or equal to the allowable value X 3 The automatic command generation, automatic pre-judgment and issuing module controls the client to prompt, the original excavation sinking construction command is not changed, but the automatic command generation, automatic pre-judgment 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;
During three-level early warning, the monitoring value Y exceeds the allowable value X 3 The automatic instruction generation, automatic pre-judgment and issuing module can immediately terminate the current construction scheme, and meanwhile, the automatic instruction generation, automatic pre-judgment and issuing module can generate a new construction scheme or a new remedy scheme and push the new construction scheme or the new remedy scheme to the system control client.
The invention at least comprises the following beneficial effects:
1) The construction system covers the whole process from the formulation of the scheme to the operation stage of the open caisson in the construction process of the open caisson, and realizes the intelligent operation of the whole process of the open caisson construction in a whole period.
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 uninterrupted intelligent monitoring of open caisson construction and operation overall process, ensure to control the omnidirectional of open caisson current situation to can build three-dimensional simulation model, make monitoring data visualization, three-dimensional, can assist the technicians to carry out the construction better.
4) Through dynamic real-time monitoring, the dynamic adjustment of the excavation method can be performed, the timeliness of operation is ensured, complicated manual operation is avoided, intelligent decision-making can be performed to generate a corresponding construction scheme, and the time and labor cost required by 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 roadmap of the invention using a large open caisson overall process intelligent construction system;
FIG. 2 is a flow chart of an engineering application of the method for controlling the whole process of large open caisson construction of the present invention.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before describing the present invention with reference to the accompanying drawings, it should be noted in particular that: the technical solutions and technical features provided in the sections including the following description in the present invention may be combined with each other without conflict.
In addition, the embodiments of the present invention referred to in the following description are typically only some, but not all, embodiments of the present invention. Therefore, all other embodiments, which can be made by one of ordinary skill in the art without undue burden, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The invention is further described in detail below with reference to the drawings and the implementation, and the implementation process is as follows:
the whole construction process of the open caisson comprises the following steps: (1) foundation treatment and first section open caisson manufacturing stage; (2) a soil taking and sinking stage of the open caisson; and (3) a concrete pouring stage.
As shown in FIG. 1, the invention provides a whole process control method for large open caisson construction, which comprises the following steps: the system comprises a soil layer parameter module, a high sinking combination module, a foundation treatment module, an open caisson geometric state evaluation module, a mud surface monitoring module, an open caisson structure stress strain monitoring and analyzing module, a high sinking calculation and process selection module, an inversion analysis module, a calculation result deriving module, an instruction automatic generation, automatic pre-judgment and issuing module, an excavating equipment clustering control module and a system control client;
the soil layer parameter module consists of a soil layer parameter acquisition end and a soil layer parameter analysis end, wherein the soil layer parameter acquisition end is arranged on the open caisson structure, and the soil layer parameter analysis end is integrated on the server; the soil layer parameter acquisition end acquires hydrologic and geological parameters in the open caisson construction site and transmits the hydrographic and geological parameters to the soil layer parameter analysis end, for example: soil layer, elevation, water level, cohesive force, internal friction angle, water content and the like; the soil layer parameter analysis end can utilize the data acquired by the acquisition end to calculate and acquire key parameter values such as soil layer limit side friction resistance, limit foundation bearing capacity and the like through a built-in algorithm, and in the implementation mode, the soil layer parameter acquisition end is divided into an instrument acquisition system and a manual input system, and parameters can be acquired through a sensor of the soil layer parameter acquisition end or manually input a land investigation parameter respectively; the instrument acquisition system is composed of a plurality of types of sensors and a plurality of wireless transmission acquisition devices, and can realize real-time monitoring of hydrologic and geological conditions around the open caisson. The manual input system can directly input the land survey value by staff through a control system client. The analysis end can utilize the data acquired by the acquisition end, so that parameters such as foundation bearing capacity, side friction resistance and the like are calculated by adopting different built-in algorithms, and a three-dimensional simulation soil layer model is constructed according to the measured or calculated results.
The height-connecting sinking combination module is used for analyzing all the height-connecting schemes in the height-connecting process of the open caisson under the current geological condition and providing a plurality of initial combination schemes of the open caisson in height-connecting sinking by combining with the soil layer parameter module. The combined module for connecting high and sinking is integrated on a server, data of the soil layer parameter module are obtained, and various preliminary combined schemes for connecting high and sinking of the open caisson under the current soil layer condition are obtained through analysis; preferably, the height-connection sinking combination module can manually input relevant parameters of each section of open caisson, such as height, concrete weight and the like. The height-connecting sinking combination module is provided with interfaces of various software, and parameters can be input one by one manually, and also can be automatically identified and calculated by importing files in other formats for storage and analysis.
The foundation treatment module is used for determining a sand pile reinforcement scheme meeting the current stratum characteristics and the quality requirements of the open caisson, acquiring data of the height-connecting sinking combination module and determining a first height-connecting scheme of the open caisson and a corresponding foundation treatment scheme; when the scheme of sand pile reinforcement foundation is designed for the soft foundation where the open caisson is positioned, the lifting effect of the sand pile reinforcement foundation consolidation effect on the foundation bearing capacity is considered, the enhancement of the foundation strength of the cutting edge foot under the diffusion area and consolidation effect of the sand cushion layer is considered, and the open caisson height-connecting sinking combination scheme is optimized according to the sand pile reinforcement scheme.
The open caisson geometric posture assessment and suggestion module is used for monitoring and recording depth and posture change conditions in the open caisson construction process, providing early warning and providing correction suggestions according to the current condition posture 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 current open caisson geometric state information and transmits the current open caisson geometric state information to the open caisson geometric state analysis end, and the open caisson geometric state analysis end analyzes and evaluates the current open caisson posture according to the acquired data; meanwhile, the open caisson geometric state analysis end calculates an expected value of the open caisson geometric posture change based on a soil layer parameter module and a height-connecting sinking calculation and process selection module, wherein the expected value of the open caisson geometric posture change comprises elevation, azimuth, deflection angle, 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 submerged, analyzing the mud surface change rule in the open caisson construction process, and giving an early warning and a correction suggestion according to the posture of the current condition of the open caisson after the mud surface height exceeds an allowable value. Specifically, the mud surface monitoring module is composed of a mud surface monitoring acquisition end and a mud surface monitoring analysis end, wherein the mud surface monitoring acquisition end acquires current open caisson mud surface height information and transmits the current open caisson mud surface height information to the mud surface monitoring analysis end, and the mud surface monitoring analysis end analyzes and evaluates the current mud surface condition by utilizing the data acquired by the mud surface monitoring acquisition end; meanwhile, the mud surface monitoring analysis end calculates a mud surface change expected value based on a height-connection sinking calculation and process selection module, wherein the mud surface change expected 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 internal force of the structure according to external force born by the open caisson, and carrying out early warning and providing correction advice according to the stress deformation condition of the open caisson under the current condition. Specific: 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 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 utilizing the data acquired by the open caisson structure stress strain acquisition end; meanwhile, the stress-strain analysis end of the open caisson structure calculates expected stress and deformation values of the open caisson structure based on data of the open caisson geometric state evaluation module and the mud surface monitoring module, and a open caisson posture and stress adjustment scheme is formulated;
the height-connection sinking calculation and process selection module calculates sinking coefficients of all stages of the open caisson, determines the area to be excavated, performs excavation process comparison selection and optimization by combining the stress of the open caisson structure, and generates an open caisson excavation sinking process scheme, wherein the excavation sinking process scheme comprises the following steps: digging a pot bottom, digging a cross-shaped pull groove, reserving core soil, digging and the like; the sinking coefficient is mainly dependent on 2 aspects, one is gravity of the open caisson, namely downward force, and the other is friction resistance provided by the peripheral stratum and end resistance, namely downward force for blocking the open caisson. The gravity part mainly obtains the information of the volume, the density, the mass, the structure and the like of each section of open caisson by connecting a high sinking combination module, so as to obtain the gravity; the friction resistance and the end resistance are key parameter values such as ultimate side friction resistance, ultimate foundation bearing capacity and the like of the soil layer are 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 (a soil layer parameter module, a height-connecting sinking combination module, a foundation treatment module, a height-connecting sinking calculation and process selection module, a sunk well geometric state evaluation module, a mud surface monitoring module and a sunk well structure stress strain monitoring and analysis module) to obtain key parameters such as soil layer side friction resistance, foundation bearing capacity, structure stress and the like, so that 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, so that technicians can conveniently analyze and process the data in later period.
The automatic command generation, automatic pre-judgment and issuing module is integrated on the server, analysis and monitoring results of the modules are integrated and analyzed to generate an open caisson construction integral scheme, a command is generated, and a final excavation soil sampling scheme is provided.
The clustered control module of the excavating equipment receives the command of the automatic generation, automatic pre-judgment and issuing module of the command and commands various excavating equipment connected with the clustered control module of the excavating equipment to construct according to the scheme;
The system control client is used as an application program to be installed on a computer or a mobile phone, and is used as a medium for interaction between technicians and the whole process control method of large open caisson construction.
The system control client adopts a C/S architecture, receives early warning signals and scheme instructions provided by the modules, and can be controlled by staff from the control system client. Each module is used for receiving monitoring data, early warning signals and scheme instructions of all modules except the system control client, and displaying the monitoring data, the early warning signals and the scheme instructions on a screen of a carrier such as a computer, a mobile phone and the like for a user to watch. The system control client can display data obtained by monitoring and analyzing various modules in the whole construction process of the open caisson, and the display form of the system control client is divided into a chart and a curve and can be adjusted manually. The control system client is provided with a three-dimensional model simulation interface, and different monitoring parameters can be displayed in a three-dimensional mode on the three-dimensional model simulation interface under the support of various real-time data. The control system client receives the early warning signals and the scheme instructions provided by the modules, and a worker can control the modules from the control system client.
In the above embodiment, the above modules are linked by, but not limited to, the following means: 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 analyzing end through 4G/5G signals, the excavation equipment clustering control module is connected with the instruction automatic generation, automatic prejudgment and issuing module through 4G/5G signals, and information is transmitted between the other modules in a mode of reading through a server hard disk.
Further, each module ground acquisition end consists 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 locations of the sensors are designed according to the actual construction drawing, the sensors required for each module are shown in table 1, and the sensors required for each module include, but are not limited to, the types described in table 1.
Table 1 sensor for each module
The acquisition end of the module is composed of various sensors (including but not limited to an earth pressure gauge, a digital liquid level gauge, a Beidou displacement sensor, a laser displacement gauge 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 collection principle of each module is as follows: before the manual input or collection of the data, the monitoring points are required to be encoded according to a certain sequence and rule in advance, after the data pass through the analysis end, the multisource heterogeneous data are required to be processed in a unified mode, and the multisource heterogeneous data are stored in a database in a data table mode according to the preset monitoring point codes to provide basic data 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 relevant stratum parameters in the open caisson construction process and generate a three-dimensional simulation model of the open caisson.
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 cutting edge foot on the sand cushion layer and the ultimate bearing capacity of the foundation under the current reinforcement condition, and analyzes the bearing capacity based on the consolidation.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the height-connecting sinking calculation and process selection module is internally provided with a plurality of construction processes and supporting mode simulation programs, so that a plurality of different construction states can be simulated; the height-connecting sinking calculation and process selection module is internally provided with a deep learning program, and the construction case and feedback data in the construction process can be input manually to continuously upgrade, so that the accuracy of decision making is enhanced.
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 three-dimensional simulation model of the open caisson, for example, soil layer information of the periphery of the open caisson is provided by a soil layer parameter module, the geometric posture of the open caisson 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 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 the allowable value;
the method comprises the following steps: the primary early warning means that the soil layer parameters, stress conditions, deformation conditions and other information in the sinking process of the open caisson are deviated to a certain extent from the original calculated parameters, calculated results or allowed values, but the difference is within a certain range, the client of the control system can be prompted under the condition, the original sinking construction instructions of the open caisson can not be changed under the condition of the primary early warning, and if the construction scheme needs to be changed, the manual operation is needed to be interfered. During primary early warning, the monitoring value Y exceeds the allowable value X 1 Less than or equal to the allowable value X 2 The automatic generation, automatic prejudgment and issuing module control system of the instruction controls the client to prompt, and the original excavation sinking construction instruction cannot be changed under the condition of primary early warning;
the secondary early warning means that the soil layer parameters, the stress condition, the deformation condition and other information of the open caisson in the open caisson sinking process are greatly changed compared with the original calculated parameters, calculated results or allowable values, in the case, the client side of the control system can be used for prompting, in the case of the secondary early warning, the original excavation sinking construction instruction can not be changed, but the system can automatically generate a new excavation sinking construction scheme according to the current condition and push the new excavation sinking construction scheme to the client side of the control system, a technician determines whether to change the construction scheme or not, and meanwhile, the technician can manually correct or input the new construction scheme according to the actual condition of the site. During secondary early warning, the monitoring value Y exceeds the allowable value X 2 Less than or equal to the allowable value X 3 The automatic command generation, automatic pre-judgment and issuing module controls the client to prompt, the original excavation sinking construction command is not changed, but the automatic command generation, automatic pre-judgment 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 decides 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 refers to soil layer parameters in the sinking process of open caisson excavationThe information such as the number, the stress condition of the open caisson, the deformation condition and the like is greatly changed compared with the original calculated parameters, calculated results or allowable values, the large-scale deflection and deviation of the open caisson are possible, the open caisson structure is greatly deformed and even possibly suffers from cracking, in this case, the system can immediately terminate the current construction scheme, and a new construction scheme or a remedy scheme can be generated and pushed to a control system client side to be interfered by technicians. During three-level early warning, the monitoring value Y exceeds the allowable value X 3 The automatic instruction generation, automatic prejudgment and issuing module can immediately terminate the current construction scheme, and meanwhile, the height-connected sinking calculation and process selection module generates a new construction scheme or a new remedy scheme, and the new construction scheme or the new remedy scheme is pushed to the system control client side to be interfered by technicians.
The method comprises the following steps: the system comprises a geometric attitude assessment module, a mud surface monitoring module and a sunk well structure stress-strain monitoring and analyzing module, wherein an allowable value is designed according to parameters obtained by current monitoring, the allowable value is transmitted to an instruction automatic generation, automatic pre-judgment and issuing module, and in the construction process, each module also transmits real-time monitoring data to the instruction automatic generation, automatic pre-judgment and issuing module; if the result is the second-level early warning; and the control receiving and sinking calculation and process selection module generates a new instruction according to the real-time monitoring values of the current geometric posture evaluation module, the mud surface monitoring module and the open caisson structure stress-strain monitoring and analysis module, if the 3-level early warning is performed, the excavation equipment clustering control module is controlled, the excavation equipment clustering control module stops construction of various excavation machines positioned on the open caisson, and the instruction automatic generation, automatic prejudgment and issuing module controls the receiving and sinking calculation and process selection module to generate a new scheme.
The instruction automatic generation, automatic pre-judgment and issuing module carries out early warning and instruction issuing principles as follows: the early warning level is divided into a first-level early warning, a second-level early warning and a third-level early warning from low to high, wherein the first-level early warning means that the soil layer parameter, the stress condition, the deformation condition and other information in the sinking process of the open caisson excavation have certain deviation compared with the original calculated parameter, calculated result or allowable value, but the difference is within a certain range, the client of the control system can be prompted under the condition, the original sinking construction instruction can not be changed under the condition of the first-level early warning, and if the construction scheme is required to be changed, the artificial operation is required to be interfered. The secondary early warning means that the soil layer parameters, the stress condition, the deformation condition and other information of the open caisson in the open caisson sinking process are greatly changed compared with the original calculated parameters, calculated results or allowable values, in the case, the client side of the control system can be used for prompting, in the case of the secondary early warning, the original excavation sinking construction instruction can not be changed, but the system can automatically generate a new excavation sinking construction scheme according to the current condition and push the new excavation sinking construction scheme to the client side of the control system, a technician determines whether to change the construction scheme or not, and meanwhile, the technician can manually correct or input the new construction scheme according to the actual condition of the site. The three-level early warning means that the soil layer parameters, the stress condition, the deformation condition and other information of the open caisson in the process of excavating and sinking are greatly changed compared with the original calculated parameters, calculated results or allowable values, the representation of the three-level early warning is that the open caisson is likely to deflect and deviate in a large scale, the open caisson structure is likely to deform and even be in danger of cracking, in the case, the system can immediately terminate the current construction scheme, and a new construction scheme or a new remedy scheme can be generated at the same time and pushed to a control system client side, and technicians intervene the three-level early warning system.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the automatic generation, automatic pre-judgment and issuing module of the command is internally provided with a deep learning program which collects and analyzes the data of the open caisson geometric posture assessment module, the mud surface monitoring module and the open caisson structure stress strain monitoring and analyzing module to obtain an open caisson geometric posture change expected value, a mud surface change expected value and an open caisson structure stress and deformation expected value, so that the advanced pre-judgment of the open caisson command can be realized, and the effectiveness of the command is improved. The deep learning program is arranged in the device, and the excavation mode adopted under the specific geological conditions, the sunk well scale and other factors can be manually input, so that reference materials are provided for the pre-judgment and generation of the instructions, meanwhile, after the instructions are generated by the module, the feedback effects of the instructions and the executed instructions are automatically recorded and stored in the deep learning program, and materials are provided for the generation of the follow-up construction instructions.
In the foundation treatment and high-connection scheme comparison and selection stage of open caisson construction, the system control client can be used for inputting the geological survey parameters into the stratum parameter module by manpower to serve as initial analysis parameters, and the high-connection sinking combination module and the foundation treatment module are utilized to determine the quantity of first high connection of the open caisson and the foundation treatment scheme, so as to guide constructors to determine the foundation treatment scheme and the first high-connection scheme.
In the open caisson excavation sinking stage, the soil layer parameter module monitors and corrects soil layer parameters in real time, the current real-time soil layer parameters are used as the basis, the height-connecting sinking calculation and process selection module calculates and analyzes and selects an excavation process, the open caisson geometric posture assessment 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 the open caisson geometric posture assessment and suggestion module and the open caisson structure stress strain monitoring and analysis module calculate and obtain expected values of relevant data according to the construction scheme generated by the height-connecting sinking calculation and process selection module. The inversion analysis module performs inversion according to the monitoring results of each module, so that the correctness of the calculation results and the effectiveness of the generation scheme are ensured, and the monitoring results, the calculation results and the inversion results of each module are pushed into the system control client through the calculation result export module. After inversion analysis, the command automatic generation, automatic prejudgment and issuing module generates a command according to the analysis results of the modules and finally transmits the command to the excavation equipment cluster 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 also be displayed on the system control client, and technicians can intervene in the construction process through the system control client.
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:
1) Inputting the initial geological survey value into a soil layer parameter module through a control system client;
2) The combined module for connecting the height and sinking and the foundation treatment module generate a scheme for connecting the height of the open caisson for the first time and a corresponding foundation treatment scheme according to the initial land survey value, and perform relevant construction;
3) The soil layer parameter acquisition end, the open caisson geometric state acquisition end, the mud surface monitoring acquisition end and the open caisson structure stress strain acquisition end are arranged on the open caisson structure, real-time data are transmitted to an integrated server, and initial land investigation values in the soil layer parameter module are updated and replaced by the soil layer parameters acquired in real time;
before manual data input or acquisition, encoding monitoring points in a certain sequence and rule in advance, transmitting real-time data to an integrated server, updating an initial land investigation value in a soil layer parameter module, and replacing the initial land investigation value with a soil layer parameter acquired in real time; after the data passes through the analysis end of the corresponding module, unified processing is carried out on the multi-source heterogeneous data, and the multi-source heterogeneous data is stored in a database in a data table form according to preset monitoring point codes to provide basic data for subsequent calculation and calling;
The analysis ends of 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 analysis module carry out overall planning on the surrounding soil layer condition, the posture, the mud surface height, the internal force and other data of the current node of the open caisson and construct a three-dimensional simulation model of the open caisson;
4) Invoking a height-connection sinking calculation and process selection module to select a next-stage height connection and a construction process of the open caisson under the current condition, and transmitting the generated construction scheme to an open caisson geometric state evaluation module, a mud surface monitoring module and an open caisson structure stress strain monitoring and analysis module, wherein the construction scheme is used for generating a corresponding open caisson geometric posture change expected value, a mud surface change expected value and an open caisson structure stress and deformation expected value; the height-connection sinking calculation and process selection module can be used for three-dimensionally displaying the posture and structural parameters of the open caisson and the parameters of surrounding stratum 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 analysis module, and performs inversion according to the scheme generated by the current height connection subsidence calculation and process selection module: if the inversion result is similar to the actual situation, the monitored and calculated data are accurate, the schemes generated by the modules have applicability, the schemes are summarized to an automatic instruction generation, automatic prejudgment and issuing module, the module carries out overall scheme decision to generate a final scheme, the data are exported by a calculation result export module and stored in a server, and meanwhile the monitoring and calculation results of the modules are pushed to a system control client; if the inversion result has larger difference with the actual situation or the result is unreasonable, the unreasonable parameters exist in the monitoring and calculating data, and each module carries out data re-acquisition and calculation;
6) The automatic instruction generation, automatic pre-judgment and issuing module sends an instruction to the excavating equipment clustering control module and controls equipment instruments to perform soil sampling excavation;
7) In the soil taking, excavating and sinking process of the open caisson, the open caisson geometric posture assessment and suggestion module, the mud surface monitoring module and the open caisson structure stress strain monitoring and analysis module monitor the geometric posture, the mud surface height, the internal force and the deformation of the structure of the open caisson, and if the change of the related parameters of the open caisson exceeds the allowable value, early warning is carried out;
the method comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X 1 Less than or equal to the allowable value X 2 The automatic generation, automatic prejudgment and issuing module of the instruction controls the client to prompt, and the original excavation sinking construction instruction cannot be changed under the condition of primary early warning;
during secondary early warning, the monitoring value Y exceeds the allowable value X 2 Less than or equal to the allowable value X 3 The automatic command generation, automatic pre-judgment and issuing module controls the client to prompt, the original excavation sinking construction command is not changed, but the automatic command generation, automatic pre-judgment 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 decides whether to change the construction scheme, and the technician can manually correct or input a new construction scheme according to the actual situation of the site;
during three-level early warning, the monitoring value Y exceeds the allowable value X 3 The automatic instruction generation, automatic pre-judgment and issuing module can immediately terminate the current construction scheme, and meanwhile, the automatic instruction generation, automatic pre-judgment and issuing module can generate a new construction scheme or a new remedy scheme, and the new construction scheme or the new remedy scheme is pushed to a system control client side to be interfered by technicians.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.

Claims (9)

1. The 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 sinking combination module, a foundation treatment module, an open caisson geometric state evaluation module, a mud surface monitoring module, an open caisson structure stress strain monitoring and analyzing module, a high sinking calculation and process selection module, an inversion analysis module, a calculation result deriving module, an instruction automatic generation, automatic pre-judgment and issuing module, an excavating equipment clustering control module and a system control client;
The soil layer parameter module consists of a soil layer parameter acquisition end and a soil layer parameter analysis end, wherein the soil layer parameter acquisition end is arranged on the open caisson structure, and the soil layer parameter analysis end is integrated on the server; the soil layer parameter acquisition end acquires hydrologic and geological parameters in the open caisson construction site and transmits the hydrographic and geological parameters to the soil layer parameter analysis end, and the soil layer parameter analysis end calculates and obtains a first key parameter value through a built-in algorithm;
the combined module for connecting high and sinking is integrated on a server, data of the soil layer parameter module are obtained, and various preliminary combined schemes for connecting high and sinking of the open caisson under the current soil layer condition are obtained through analysis;
the foundation treatment module acquires data of the height-connecting sinking combination module and determines a first height-connecting scheme of the open caisson 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 current open caisson geometric state information and transmits the current open caisson geometric state information to the open caisson geometric state analysis end, and the open caisson geometric state analysis end analyzes and evaluates the current open caisson posture according to the acquired data; meanwhile, the open caisson geometric state analysis end calculates a first expected value of the open caisson geometric posture change based on a soil layer parameter module and a height-connecting sinking calculation and process selection module;
The mud surface monitoring and analyzing end utilizes the data acquired by the mud surface monitoring and acquiring end to analyze and evaluate the current mud surface condition; meanwhile, the mud surface monitoring analysis end calculates a first expected value of mud surface change based on a height-connected sinking 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 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 utilizing the data acquired by the open caisson structure stress strain acquisition end; meanwhile, a stress-strain analysis end of the open caisson structure calculates first expected values of stress and deformation of the open caisson structure based on data of an open caisson geometric state evaluation module and a mud surface monitoring module, and an open caisson posture and stress adjustment scheme is formulated;
the height-connection sinking calculation and process selection module calculates sinking coefficients of all stages of the open caisson, determines the area to be excavated, performs excavation process comparison selection and optimization by combining the stress of the open caisson structure, and generates 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 a second key parameter so as to judge the rationality of the monitoring and calculation results;
the calculation result export module is integrated on the server and can integrate, export and store the calculation results of different modules;
the automatic command generation, automatic pre-judgment and issuing module is integrated on the server, and analysis and monitoring results of the modules are integrated and analyzed to generate an open caisson construction integral scheme and a command;
the clustered control module of the excavating equipment receives the command of the automatic generation, automatic pre-judgment and issuing module of the command and commands various excavating equipment connected with the clustered control module of the excavating equipment to construct according to the scheme;
the system control client is used as an application program to be installed on a computer or a mobile phone.
2. The method for controlling the whole process of large open caisson construction according to 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 method for controlling the whole process of large open caisson construction according to claim 1, wherein the foundation treatment module calculates the diffusion area of the cutting edge foot under the sand cushion and the ultimate bearing capacity of the foundation under the current reinforcement condition, and carries out bearing capacity analysis based on consolidation.
4. The method for controlling the whole construction process of the large open caisson according to claim 1, wherein the height-connecting sinking calculation and process selection module is internally provided with a plurality of construction processes and supporting mode simulation programs; the height-connecting sinking calculation and process selection module is internally provided with a deep learning program.
5. The method for controlling the whole process of large open caisson construction according to claim 1, wherein the open caisson geometric state assessment module is used for establishing an open caisson three-dimensional simulation model based on a soil layer parameter module.
6. The method for controlling the whole process of 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 monitoring value exceeds the allowable value;
the method comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X 1 Less than or equal to the allowable value X 2 The automatic generation, automatic prejudgment and issuing module control system of the instruction controls the client to prompt, and the original excavation sinking construction instruction cannot be changed under the condition of primary early warning;
during secondary early warning, the monitoring value Y exceeds the allowable value X 2 Less than or equal to the allowable value X 3 The automatic command generation, automatic pre-judgment and issuing module controls the client to prompt, the original excavation sinking construction command is not changed, but the automatic command generation, automatic pre-judgment 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;
during three-level early warning, the monitoring value Y exceeds the allowable value X 3 The automatic instruction generation, automatic pre-judgment and issuing module can immediately terminate the current construction scheme, and meanwhile, the height-connected sinking calculation and process selection module generates a new construction scheme or a new remedy scheme and pushes the new construction scheme or the new remedy scheme to the system control client.
7. The method for controlling the whole process of large open caisson construction according to claim 1, wherein the automatic generation, automatic pre-judgment and issuing module is internally provided with a deep learning program which collects data of the open caisson geometric posture assessment module, the mud surface monitoring module and the open caisson structure stress strain monitoring and analyzing module, and calculates and analyzes the data to obtain a second expected value of open caisson geometric posture change, a second expected value of mud surface change and a second expected value of open caisson structure stress and deformation.
8. The method for controlling the whole process of large open caisson construction according to claim 1, wherein the excavation equipment cluster control module is provided with a wireless transmission device, receives the command sent by the command automatic generation, automatic prejudgment and issuing module through a 4G/5G signal, and is connected with various mechanical equipment in a wired mode.
9. An application of the whole process control method for large open caisson construction according to any one of claims 1 to 8, which is characterized by comprising the following steps:
1) Inputting the initial geological survey value into a soil layer parameter module through a control system client;
2) The combined module for connecting the height and sinking and the foundation treatment module generate a scheme for connecting the height of the open caisson for the first time and a corresponding foundation treatment scheme according to the initial land survey value, and perform relevant construction;
3) The soil layer parameter acquisition end, the open caisson geometric state acquisition end, the mud surface monitoring acquisition end and the open caisson structure stress strain acquisition end are arranged on the open caisson structure, real-time data are transmitted to an integrated server, and initial land investigation values in the soil layer parameter module are updated and replaced by the soil layer parameters acquired in real time;
before manual data input or acquisition, encoding monitoring points in a certain sequence and rule in advance, transmitting real-time data to an integrated server, updating an initial land investigation value in a soil layer parameter module, and replacing the initial land investigation value with a soil layer parameter acquired in real time; after the data passes through the analysis end of the corresponding module, unified processing is carried out on the multi-source heterogeneous data, and the multi-source heterogeneous data is stored in a database in a data table form according to preset monitoring point codes;
The analysis ends of 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 analysis module carry out overall planning on surrounding soil layer conditions, postures, mud surface heights and internal force data of the current node of the open caisson and construct a three-dimensional simulation model of the open caisson;
4) The sinking calculation and process selection module is used for selecting the next-stage sinking and construction process of the open caisson under the current condition, generating a construction scheme, transmitting 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 analysis module, and generating a corresponding open caisson geometric posture 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 analysis module, and performs inversion according to the scheme generated by the current height connection subsidence calculation and process selection module: if the inversion result is similar to the actual situation, summarizing the inversion result to an automatic instruction generation, automatic prejudgment and issuing module, carrying out overall decision of the scheme by the module to generate a final scheme, exporting data by a calculation result export module, storing the data in a server, and pushing monitoring and calculation results of each module to a system control client; if the inversion result has larger difference with the actual situation or the result is unreasonable, each module carries out data re-acquisition and calculation;
6) The automatic instruction generation, automatic pre-judgment and issuing module sends an instruction to the excavating equipment clustering control module and controls equipment instruments to perform soil sampling excavation;
7) In the soil taking, excavating and sinking process of the open caisson, the open caisson geometric posture assessment and suggestion module, the mud surface monitoring module and the open caisson structure stress strain monitoring and analysis module monitor the geometric posture, the mud surface height, the internal force and the deformation of the structure of the open caisson, and if the change of the related parameters of the open caisson exceeds the allowable value, early warning is carried out;
the method comprises the following steps: during primary early warning, the monitoring value Y exceeds the allowable value X 1 Less than or equal to the allowable value X 2 The automatic generation, automatic prejudgment and issuing module of the instruction controls the client to prompt, and the original excavation sinking construction instruction cannot be changed under the condition of primary early warning;
during secondary early warning, the monitoring value Y exceeds the allowable value X 2 Less than or equal to the allowable value X 3 The automatic generation, automatic prejudgment and issuing module of the instruction control client side for promptingThe original excavation sinking construction instruction is not changed, but the automatic generation, automatic prejudgment and issuing module of the instruction can automatically generate a new excavation sinking construction scheme according to the current situation and push the new excavation sinking construction scheme to the system control client;
During three-level early warning, the monitoring value Y exceeds the allowable value X 3 The automatic instruction generation, automatic pre-judgment and issuing module can immediately terminate the current construction scheme, and meanwhile, the automatic instruction generation, automatic pre-judgment and issuing module can generate a new construction scheme or a new remedy scheme and push the new construction scheme or the new remedy scheme to the system control client.
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