CN-121997406-A - Informationized construction management method for pushing steel box girder

Abstract

The invention provides an informatization construction management method for pushing a steel box girder, which belongs to the technical field of construction informatization, and specifically comprises the steps of generating a plurality of alternative pushing schemes based on the required quantity and available working equipment, determining curve deviation data of four sides of the steel box girder in a top thrust section by utilizing the pushing distribution positions when the pushing reliability of the alternative pushing schemes is determined by utilizing the pushing distribution positions and the pushing reliability of the pushing equipment in the alternative pushing schemes, determining an optimal pushing scheme of the alternative pushing schemes by combining the pushing reliability, and performing pushing processing of the steel box girder by utilizing the optimal pushing schemes, and determining whether improvement processing is required or not based on the analysis result of pushing curves of pushing equipment on four sides of the steel box girder, thereby ensuring the reliability and consistency of the pushing processing of the steel box girder.

Inventors

• TIAN QUANQUAN
• ZHANG BING
• PAN JUNKUI
• CHEN WEILI
• LI CHENXIN
• LI XIAOYAN
• WANG HEZHEN
• ZHENG PENGHAO
• REN JINHONG
• LI XINPENG
• LI XIAOXIN
• YAN XU
• PENG YANZE
• YANG YONGWANG
• LIU BAICHAO
• CHU SHIKUN
• WANG YANAN

Assignees

• 中交三公局第六工程(河北)有限公司
• 河南城建学院

Dates

Publication Date

20260508

Application Date

20251205

Claims (10)

1. 1. An informationized construction management method for pushing a steel box girder is characterized by comprising the following steps of: Determining pushing treatment reliability of pushing equipment through curves of different pushing force intervals, and stabilizing working equipment in the pushing equipment; Determining curve deviation conditions of the stable working equipment and other stable working equipment in different top thrust intervals, and determining available working equipment in the stable working equipment based on the curve deviation conditions; determining the required number of the available working devices according to the requirements of the steel box girders, generating a plurality of alternative pushing schemes based on the required number and the available working devices, and entering the next step when the pushing reliability of the alternative pushing schemes is determined to meet the requirements through the pushing distribution positions of the available pushing devices and the pushing treatment reliability in the alternative pushing schemes; Determining curve deviation data of four sides of the steel box girder in a top thrust section by utilizing pushing distribution positions, determining a preferable pushing scheme of the alternative pushing treatment scheme by combining pushing reliability, performing pushing treatment on the steel box girder by utilizing the preferable pushing scheme, and determining an improved treatment analysis strategy based on analysis results of pushing curves of pushing equipment on four sides of the steel box girder and the correlation condition of the available pushing scheme and the preferable pushing scheme, wherein the comprehensive evaluation quantity of the available pushing scheme meets the requirement.
2. 2. The informationized construction management method for pushing the steel box girder according to claim 1, wherein the curve of the pushing equipment in a pushing force interval is determined according to historical pushing data of the pushing equipment.
3. 3. The informationized construction management method for pushing the steel box girder according to claim 1, wherein the method for determining the pushing treatment reliability of the pushing equipment is as follows: Determining the change slope of the top thrust of different top thrust sections at different nodes by using the curve, and determining the pushing reliability deviation subinterval of different top thrust sections based on the change slope of the top thrust; determining the reliability coefficients of different top thrust intervals according to the duty ratio of the pushing reliability deviation subinterval in the top thrust interval; and determining the pushing processing reliability of the pushing equipment according to the reliability coefficients of different pushing force intervals.
4. 4. The informationized construction management method for pushing the steel box girder according to claim 1, wherein when the pushing treatment reliability of the pushing equipment meets the requirement, the pushing equipment is determined to be stable working equipment.
5. 5. The informationized construction management method for pushing the steel box girder according to claim 3, wherein the method for determining the pushing reliability deviation subinterval of the pushing force interval is as follows: Dividing the top thrust section into a plurality of subsections according to a preset dividing length, and determining the subsections as pushing reliability deviation subsections when the average value of the top thrust change slopes of the nodes of the subsections is smaller than the preset change slope.
6. 6. The informationized construction management method for steel box girder thrusts of claim 1, wherein the curve deviation condition includes amounts of thrust deviation at different nodes of different thrust intervals.
7. 7. The informationized construction management method for pushing steel box girders according to claim 1, wherein the method for determining available working equipment in the stable working equipment is as follows: Determining the top thrust deviation amounts of the stable working equipment and other stable working equipment at different nodes of different top thrust intervals by utilizing the curve deviation conditions, and determining the number of deviation nodes in different top thrust intervals by the top thrust deviation amounts of different nodes in different top thrust intervals; determining a deviation top thrust interval according to the number of the deviation nodes, and determining curve deviation coefficients of the stable working equipment and other stable working equipment according to the number of the deviation top thrust intervals; And determining deviation working equipment in the other stable working equipment based on the curve deviation coefficient, determining the working curve deviation amount of the stable working equipment according to the quantity ratio of the deviation working equipment, and determining whether the stable working equipment is available working equipment according to the working curve deviation amount.
8. 8. The informationized construction management method for pushing steel box girders according to claim 7, wherein the working curve deviation amount ranges from 0 to 1, and when the working curve deviation amount of the stable working equipment is greater than a preset deviation threshold value, it is determined that the stable working equipment does not belong to available working equipment.
9. 9. The informationized construction management method for pushing a steel box girder according to claim 1, wherein the required number of the available working devices is determined according to the jacking force requirement of the steel box girder and the jacking force of the available working devices.
10. 10. The informationized construction management method for pushing steel box girders according to claim 1, wherein the method for determining the improved processing analysis strategy is as follows: Determining the deviation amount of the pushing curve of the pushing equipment on four sides based on the analysis result of the pushing curve of the pushing equipment on four sides of the steel box girder, and determining the consistency coefficient of the pushing force of the steel box girder by using the deviation amount of the pushing curve; determining the change slope of the pushing force of the pushing equipment on four sides according to the analysis result, and carrying out the reliable coefficient of the pushing force of the steel box girder according to the change slope of the pushing force of the pushing equipment on four sides; And carrying out the reliability of the monitoring data of the steel box girder through the reliability coefficient and the consistency coefficient of the pushing force of the steel box girder, and carrying out the determination of an improved processing analysis strategy based on the reliability of the monitoring data and the correlation condition of the available pushing scheme with other comprehensive evaluation quantity meeting the requirement.

Description

Informationized construction management method for pushing steel box girder Technical Field The invention belongs to the technical field of construction informatization, and particularly relates to an informatization construction management method for pushing a steel box girder. Background The steel box girder is also called a steel plate box girder, is a common structural form of a large-span bridge, is generally used on a bridge with a larger span, is called as a steel box girder because of being shaped like a box, adopts a hoisting or pushing mode in the construction process, can be assembled section by section and pushed to a design position by adopting the pushing mode, and has higher construction efficiency. In the pushing process of the steel box girder, pushing equipment such as a jack is needed to provide pushing force, the equipment is placed between piers, and due to a certain degree of difference of equipment parameters and states of different pushing equipment, stability and synchronism of the pushing equipment are ensured, so that the quality and performance of the pushing equipment meet the requirements, and the technical problem to be solved is urgent. Specifically, the application provides an informationized construction management method for pushing a steel box girder. Disclosure of Invention In order to achieve the purpose of the invention, the invention adopts the following technical scheme: in order to solve the technical problems, the invention provides an informationized construction management method for pushing a steel box girder, which specifically comprises the following steps: S1, determining pushing treatment reliability of pushing equipment through curves of different pushing force intervals, and stabilizing working equipment in the pushing equipment; S2, determining curve deviation conditions of the stable working equipment and other stable working equipment in different top thrust intervals, and determining available working equipment in the stable working equipment based on the curve deviation conditions; S3, determining the required number of the available working devices according to the requirements of the steel box girders, generating a plurality of alternative pushing schemes based on the required number and the available working devices, and entering a next step when the pushing reliability of the alternative pushing schemes is determined to meet the requirements through the pushing distribution positions and the pushing treatment reliability of the available pushing devices in the alternative pushing schemes; S4, determining curve deviation data of four sides of the steel box girder in a pushing force interval by utilizing pushing distribution positions, determining a preferable pushing scheme of the alternative pushing treatment scheme by combining pushing reliability, performing pushing treatment on the steel box girder by utilizing the preferable pushing scheme, and determining an improved treatment analysis strategy based on analysis results of pushing curves of pushing equipment on four sides of the steel box girder and the correlation condition of the available pushing scheme and the preferable pushing scheme, wherein the comprehensive evaluation quantity of the available pushing scheme meets the requirement. The invention has the beneficial effects that: 1. In the invention, the available working equipment in the stable working equipment is determined based on the curve deviation condition, thereby realizing the screening of the stable working equipment with larger deviation from the angle of deviation condition of pushing force curve of other stable working equipment, ensuring the reliability of pushing force of the steel box girder, and avoiding the occurrence of technical problems that the consistency and stability of pushing treatment results of the steel box girder are difficult to meet the requirement due to inconsistent force. 2. According to the invention, whether improvement treatment is needed or not is determined based on the analysis result of the pushing curves of the pushing equipment on the four sides of the steel box girder, the real-time monitoring of the consistency and the stability of the pushing curves on the four sides of the steel box girder is realized, the correlation situation of the available pushing scheme meeting the requirement by the comprehensive evaluation quantity and the optimized pushing scheme is further combined, the switching treatment difficulty of switching to other available pushing schemes when the consistency and the stability deviate is realized, the problem of the consistency and the stability is avoided, the adjustment of the pushing treatment scheme is timely carried out under the condition that the switching treatment difficulty meets the requirement and the number of available pushing schemes is more, and the reliability of the pushing treatment is ensured. The further technical scheme is that the curve of the p