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A platform for research: civil engineering, architecture and urbanism
Rigid frame-type geotextile covering silt prevention system and method of immersed tunnel foundation bed
The invention relates to a rigid frame-type geotextile covering silt prevention system of an immersed tunnel foundation bed. The rigid frame-type geotextile covering silt prevention system of the immersed tunnel foundation bed comprises a rigid frame-type geotextile covering device and special vessels, wherein the rigid frame-type geotextile covering device comprises geotextiles, a steel pipe frame and a drainage device arranged on the steel pipe frame, the drainage device is connected with a pressure drainage pipe, the steel pipe frame is longitudinally and transversely connected and is divided into a plurality of frame grids, and the geotextiles are arranged in the frame grids; the special vessels comprise two geotextiles-laying vessels, a sliding plate is arranged at one end of each geotextile-laying vessel, and the geotextile-laying vessels are connected with the rigid frame-type geotextile covering device through steel wire ropes. By adopting the rigid frame-type geotextile covering silt prevention scheme, the thorough isolation between silt and the foundation bed is realized by upwards floating the device and the integrity of the foundation bed is protected. In the scheme, after each section of the foundation bed is flattened, by comprehensively covering the flattened foundation bed in time, sediment such as silt and sand is prevented from falling onto the foundation bed.
Rigid frame-type geotextile covering silt prevention system and method of immersed tunnel foundation bed
The invention relates to a rigid frame-type geotextile covering silt prevention system of an immersed tunnel foundation bed. The rigid frame-type geotextile covering silt prevention system of the immersed tunnel foundation bed comprises a rigid frame-type geotextile covering device and special vessels, wherein the rigid frame-type geotextile covering device comprises geotextiles, a steel pipe frame and a drainage device arranged on the steel pipe frame, the drainage device is connected with a pressure drainage pipe, the steel pipe frame is longitudinally and transversely connected and is divided into a plurality of frame grids, and the geotextiles are arranged in the frame grids; the special vessels comprise two geotextiles-laying vessels, a sliding plate is arranged at one end of each geotextile-laying vessel, and the geotextile-laying vessels are connected with the rigid frame-type geotextile covering device through steel wire ropes. By adopting the rigid frame-type geotextile covering silt prevention scheme, the thorough isolation between silt and the foundation bed is realized by upwards floating the device and the integrity of the foundation bed is protected. In the scheme, after each section of the foundation bed is flattened, by comprehensively covering the flattened foundation bed in time, sediment such as silt and sand is prevented from falling onto the foundation bed.
Rigid frame-type geotextile covering silt prevention system and method of immersed tunnel foundation bed
QU LILI (author) / FENG HAIPU (author)
2015-09-02
Patent
Electronic Resource
English
| European Patent Office | 2015
| European Patent Office | 2015
| European Patent Office | 2015
| European Patent Office | 2015
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