CN-121980752-A - Roadbed box bearing method for joint pipe pulling operation

CN121980752ACN 121980752 ACN121980752 ACN 121980752ACN-121980752-A

Abstract

The invention discloses a roadbed box bearing method for joint pipe pulling operation, which relates to the technical field of infrastructure construction and comprises the following steps of S1, site pretreatment, S2, load calculation and intelligent planning, S3, platform construction, S4, equipment positioning and centering, S5, pulling operation and intelligent monitoring, and S6, platform recovery and data archiving. According to the roadbed box bearing method for joint pipe pulling operation, through a scientific design method, three-dimensional visual previewing and optimizing are carried out by means of an intelligent management platform integrated with BIM, accurate selection and planning of the quantity, specification and laying layout of modular roadbed boxes are achieved, blindness of a traditional experience method is effectively overcome, the design of the roadbed box bearing platform can ensure that foundation stress is controlled within a safety range, local sedimentation or platform instability caused by insufficient bearing capacity is avoided, excessive configuration of material resources is avoided, engineering economy and adaptability are remarkably improved, and operation safety is guaranteed from the source.

Inventors

ZHANG YANZHAO
DU QIAN
LIU WEIQUN
LIAO ZHIQIANG
Ji Xiongrui
Xue Yilun
LI DONGYAN

Assignees

北京京水建设集团有限公司

Dates

Publication Date: 20260505
Application Date: 20251218

Claims (9)

1. S1, field pretreatment, namely surveying, leveling and compacting a joint pipe pulling operation area to form a stable foundation supporting surface meeting the requirements of design elevation and compactness; S2, load calculation and intelligent planning, namely calculating the maximum pulling friction force of a joint pipe and the total load of pulling equipment, determining the number, specification and laying layout of the roadbed boxes (1) according to the maximum pulling friction force, designing a local reinforcing scheme aiming at a concentrated stress area of supporting legs of a pulling machine, and simultaneously, using an intelligent management platform integrating BIM, the Internet of things and a cloud computing technology to perform three-dimensional visual previewing and optimizing on the load distribution and the laying scheme of the roadbed boxes (1); s3, constructing a platform, namely hoisting and splicing the modularized steel structure roadbed box (1) according to the design layout to form an integral rigid bearing platform, and paving a high-strength elastic buffer cushion between the roadbed box (1) and a foundation to form a flexible-rigid composite supporting system; S4, positioning and centering equipment, namely moving the hydraulic pulling machine to a bearing platform, and accurately adjusting the position to center the pulling center with the central axis of the joint pipe; s5, pulling operation and intelligent monitoring, namely controlling the hydraulic pulling machine to gradually apply force to pull the joint pipe, collecting pulling force, supporting leg stress and sedimentation data in real time, integrating the processed data by the intelligent management platform, comparing the processed data with a design threshold value, and sending multi-stage early warning information when the processed data exceeds the design threshold value to assist an operator in dynamically adjusting operation; S6, platform recovery and data archiving, namely dismantling the recovered roadbed box (1) and the buffer cushion after operation, automatically recording key operation data by the intelligent management platform, and generating a digital construction record file.
2. The roadbed box bearing method for joint pipe pulling operation according to claim 1 is characterized in that the intelligent management platform specifically executes the following instructions in step S2, based on input joint pipe parameters d, h, gamma and mu, F_mol, F_total and P_ground are automatically calculated, a three-dimensional paving scheme comprising the number, specification and single-double layer arrangement areas of roadbed boxes (1) is automatically generated according to the comparison result of foundation safety bearing capacity and P_ground, and the simulation load distribution is visualized in a BIM model, the platform layout is optimized, and a construction guidance file is output.
3. The method for carrying out the subgrade box for the joint pipe pulling operation according to claim 2, wherein an algorithm model is built in the intelligent management platform, a suggested value interval of a friction coefficient mu can be dynamically adjusted according to geological survey data uploaded in real time, and the rationality of a calculation result is checked and prompted by combining historical item data.
4. The roadbed box bearing method for joint pipe pulling operation according to claim 1 is characterized in that the intelligent management platform specifically executes the following instructions in step S5, wherein the intelligent management platform receives data from a force sensor and a settlement monitoring point in real time through an Internet of things interface, and a cloud computing module fuses the multi-source data and compares actual measurement values of pulling force and settlement with the design safety threshold determined in step S2 in real time.
5. The method for carrying out the roadbed box for the joint pipe pulling operation according to claim 4, wherein the built-in algorithm model of the intelligent management platform can identify abnormal data trends, if the data is out of limit or is about to be out of limit, a multi-stage early warning instruction is automatically generated, early warning information is pushed to a mobile terminal APP and a webpage console of a relevant responsible person through a cloud computing platform in addition to on-site audible and visual alarm, and the early warning information comprises abnormal data points, out-of-limit values, possible reasons and treatment suggestions.
6. The method for carrying out the subgrade box for the joint pipe pulling operation according to claim 5, wherein the intelligent management platform is characterized in that the intelligent management platform automatically locks the current abnormal data flow and starts a high-speed recording mode while sending out early warning, provides high-frequency data samples for subsequent analysis, and also provides an interactive interface for allowing authorized operators to confirm early warning, input treatment measure records and automatically archive the event and the treatment result.
7. The method for carrying out the subgrade box for the joint pipe pulling operation according to claim 1, wherein the intelligent management platform specifically executes the following instructions in step S6, wherein the whole process data of the pulling operation at this time comprises initial design parameters, a three-dimensional planning scheme, real-time monitoring data of key nodes, early warning events and treatment records, and a structured digital construction record file is generated according to a preset template by one key, and can be exported and used for quality acceptance, project settlement and big data analysis.
8. The method for carrying out the subgrade box for the joint pipe pulling operation according to claim 1, wherein the intelligent management platform further builds a digital twin model, and in the pulling operation process of step S5, the BIM three-dimensional model and the physical entity are driven to update the state synchronously in near real time, so that the visual tracking and the remote immersion monitoring of the operation progress are realized.
9. The method for carrying out the subgrade box for the joint pipe pulling operation according to any one of claims 1 to 8, wherein the intelligent management platform is deployed based on a cloud computing architecture and supports parallel processing and storage of multiple project data, and provides a standard data interface allowing data interaction and instruction transmission with a project management system, BIM modeling software and various intelligent construction equipment.

Description

Roadbed box bearing method for joint pipe pulling operation Technical Field The invention relates to the field of infrastructure construction, in particular to a roadbed box bearing method for joint pipe pulling operation. Background The construction of the anti-flushing wall is an engineering operation process for constructing a continuous wall structure with enough strength, stability and seepage resistance by adopting specific materials such as concrete and a construction process in the engineering fields such as water conservancy, traffic and the like so as to resist the scouring damage of water flow, waves and the like to embankments, hydraulic buildings and the like. The traditional construction method generally directly depends on steel guide walls or local hardened foundations to bear pulling equipment, has the problems that the equipment is inclined or operation is interrupted due to high requirement on foundation bearing capacity and uneven settlement easily occurs, if a soft foundation is met, large-area reinforcement such as concrete bearing platform pouring or pile foundation pouring needs to be carried out, the defects of long construction period, high cost and poor economy exist, in addition, the pulling process is mostly dependent on the experience of operators to be matched with large-scale equipment, accurate load calculation and real-time monitoring means are lacked, sudden clamping stagnation or load mutation under the working condition of large friction is difficult to deal with, and the operation safety risk is high. Therefore, a roadbed box bearing method for a joint pipe pulling operation is proposed to solve the above-mentioned problems. Disclosure of Invention S1, field pretreatment, namely surveying, leveling and compacting a joint pipe pulling operation area to form a stable foundation supporting surface meeting the requirements of design elevation and compactness; S2, load calculation and intelligent planning, namely calculating the maximum pulling friction force of a joint pipe and the total load of pulling equipment, determining the number, specification and laying layout of roadbed boxes according to the maximum pulling friction force and the total load of the pulling equipment, designing a local reinforcing scheme aiming at a concentrated stress area of supporting legs of a pulling machine, and simultaneously, using an intelligent management platform integrating BIM, internet of things and cloud computing technology to perform three-dimensional visual previewing and optimizing on the load distribution and the roadbed box laying scheme determined by calculation; S3, constructing a platform, namely hoisting and splicing the modularized steel structure roadbed boxes according to the design layout to form an integral rigid bearing platform, and paving a high-strength elastic buffer cushion between the roadbed boxes and the foundation to form a flexible-rigid composite supporting system; S4, positioning and centering equipment, namely moving the hydraulic pulling machine to a bearing platform, and accurately adjusting the position to center the pulling center with the central axis of the joint pipe; s5, pulling operation and intelligent monitoring, namely controlling the hydraulic pulling machine to gradually apply force to pull the joint pipe, collecting pulling force, supporting leg stress and sedimentation data in real time, integrating the processed data by the intelligent management platform, comparing the processed data with a design threshold value, and sending multi-stage early warning information when the processed data exceeds the design threshold value to assist an operator in dynamically adjusting operation; And S6, platform recovery and data archiving, namely dismantling the recovery roadbed box and the buffer cushion after operation, automatically recording key operation data by the intelligent management platform, and generating a digital construction record file. Preferably, the intelligent management platform specifically executes the following instructions in the step S2, namely automatically calculating F_mole, F_sum and P_ground based on input joint pipe parameters d, h, gamma and mu, automatically generating a three-dimensional paving scheme comprising the number, specification and single-double layer arrangement area of roadbed boxes according to the comparison result of the foundation safety bearing capacity and P_ground, visually simulating load distribution in a BIM model, optimizing platform layout and outputting construction guide files. Preferably, an algorithm model is built in the intelligent management platform, a suggested value interval of the friction coefficient mu can be dynamically adjusted according to geological survey data uploaded in real time, and the rationality of a calculation result is checked and prompted by combining historical item data. Preferably, the intelligent management platform specifically executes the following instruction