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Intelligent optimization technology for high fill filling and construction method thereof

A technology of intelligent optimization and construction method, applied in the fields of fill, construction, soil protection, etc., can solve the problems of high fill engineering stability and reliability risks, engineering disasters, etc., achieve high-efficiency real-time automatic monitoring, and save engineering Quantity and engineering cost, the effect of improving filling efficiency

Pending Publication Date: 2022-04-29
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing monitoring methods fail to realize the intelligent monitoring and real-time evaluation of the compression deformation change, horizontal displacement change, and compaction degree change of the filler at each position of the fill during the filling process and after the filling is completed. The stability and reliability of the project suffer from potential risks and induce engineering disasters

Method used

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  • Intelligent optimization technology for high fill filling and construction method thereof
  • Intelligent optimization technology for high fill filling and construction method thereof
  • Intelligent optimization technology for high fill filling and construction method thereof

Examples

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Effect test

Embodiment 1

[0036] The high filling project of an airport in a mountainous area adopts the intelligent optimization technology of high filling filling for filling, and the elevation section of each filling is circular. The design height of the high fill is 50.0m, and the filling requirements of the corresponding parts are as follows: 0-0.3m below the top surface of the road foundation: filler CBR≥8%, compactness≥97%; 0.3-0.8m below the top surface of the road foundation: filler CBR ≥ 6%, compaction ≥ 96%; 0.8-4.0m below the top surface of road foundation: compaction ≥ 95%; 4.0-50m below the top of road foundation: compaction ≥ 94%.

[0037] An intelligent optimization technology for high-fill filling and a construction method thereof according to the present invention are adopted. The natural moisture content of the filler is 26%, and the filler is air-dried, and the required amount of water is added according to the difference between the moisture content of the filler after drying and t...

Embodiment 2

[0039] A road high filling project adopts the intelligent optimization technology of high filling filling for filling, and the elevation section of each filling is elliptical. The design height of the high fill is 80.0m, and the filling requirements of the corresponding parts are as follows, upper embankment: 0-0.7m below the bottom of the roadbed, filler CBR≥7%, compaction≥95%; lower embankment: 0.7-0.7m below the bottom of the roadbed 80.0m, filler CBR ≥ 6%, compaction ≥ 94%.

[0040] An intelligent optimization technology for high-fill filling and a construction method thereof according to the present invention are adopted. The natural moisture content of the filler is 40%. Dry the filler, and add the required amount of water according to the difference between the moisture content of the filler after drying and the optimal moisture content, so that the obtained filler is near the optimal moisture content; For layered filling, lay displacement positioning sensors in each d...

Embodiment 3

[0042] An airport high filling project adopts the intelligent optimization technology of high filling filling for filling, and the elevation section of each filling is square. The design height of the high fill is 110.0m, and the filling requirements of the corresponding parts are as follows: 0-0.3m below the top surface of the road foundation: filler CBR≥10%, compactness≥97%; 0.3-0.8m below the top surface of the road foundation: filler CBR ≥ 9%, compaction ≥ 96%; 0.8-4.0m below the top surface of road foundation: compaction ≥ 96%; 4.0-110.0m below the top of road foundation: compaction ≥ 94%.

[0043] An intelligent optimization technology for high-fill filling and a construction method thereof according to the present invention are adopted. The natural moisture content of the filler is 16%. According to the difference between the natural moisture content of the filler and the optimal moisture content, add the required amount of water so that the obtained filler is near the ...

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Abstract

The invention discloses an intelligent optimization technology for high fill filling and a construction method thereof, and belongs to the field of civil engineering. For a fill project with the height larger than or equal to 50 m, the water content of filler is controlled to be close to the optimal water content, displacement positioning sensors are laid on the bottom face of the fill and the elevation plane where the filling height is increased by 0.1 H every time, the displacement positioning sensors are arranged in a shape like a Chinese character'mi ', and the interval is 0.05 L (H is the designed height of the fill, and L is the section perimeter of the corresponding elevation fill); sensor data are monitored in real time through a satellite positioning continuous operation reference station, the elevation range in which filler is compacted through the self weight of the fill without mechanical compaction treatment is determined, the quality, stability and safety of the fill are automatically monitored and evaluated in real time, the construction process is guided, the filling quality is controlled, and safety monitoring and disaster early warning of high fill operation are achieved. According to the intelligent optimization technology for high-fill filling and the construction method of the intelligent optimization technology, the problems that in a high-fill project, the filling compaction work amount is large, the compaction quality is not easy to control, and early warning is difficult to conduct on operation safety can be solved.

Description

technical field [0001] The invention relates to an intelligent optimization technology for high-fill filling and a construction method thereof, belonging to the field of civil engineering. Background technique [0002] With the strategic demand for the balanced development of the east and west of our country, the engineering construction of mountainous airports, large-scale infrastructure, and expressways has formed a large filling height due to large-scale mountain filling and valley filling, such as: Kunming Changshui Airport (52m), Longdong Fort Airport (54m), Sanming Airport (65m), Panzhihua Airport (65m), Luliang Airport (84m), Jiuzhai Huanglong Airport (102m), Chengde Airport (141m), Liupanshui Airport (153m), Chongqing Airport (164m), etc. In addition, in recent years, there have been more and more large-scale filling projects such as mountain blasting, land reclamation, and artificial landscapes, with filling heights as high as more than 100 meters, and many engineer...

Claims

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Application Information

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IPC IPC(8): E02D17/18E02D3/00E02D3/02E02D1/00
CPCE02D17/18E02D3/00E02D3/02E02D1/00
Inventor 李世洋程志伟荆海滔王翔刘家豪高旭和徐斌
Owner NORTHWESTERN POLYTECHNICAL UNIV
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