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CN-224213230-U - Surrounding filling land soft foundation dyke structure

CN224213230UCN 224213230 UCN224213230 UCN 224213230UCN-224213230-U

Abstract

The utility model relates to the technical field of port channel engineering and water conservancy and hydropower engineering, and aims to provide a surrounding and filling ground soft foundation surrounding wall structure, which comprises a drainage cushion layer, a plurality of plastic drainage plates and a dyke body edge body, wherein the drainage cushion layer is used for being paved on a soft foundation, the lower ends of the plastic drainage plates penetrate through the drainage cushion layer to enter the soft foundation, at least a plurality of layers of geotechnical reinforcement sand bags are paved on the drainage cushion layer to form a bag body structure, one side of the bag body structure, which is positioned on a water facing side, is a slope, the dyke body edge body is arranged on the bag body structure, the geotechnical reinforcement sand bags and the dyke body edge body are respectively provided with a reverse filtering layer on the surface of one side, which is positioned on the water facing side, of the geotechnical reinforcement sand bags and the dyke body edge body inner side are filled with ground building materials. The dyke structure has the advantages of obviously reducing the occupied area of the outer side of the dyke, effectively increasing the land-building area, improving the economic benefit of the land, reducing the construction cost of the dyke and the like.

Inventors

  • JIANG BINGMAO
  • MA XINGHUA
  • HUANG KAI
  • ZHAN TIANJIN
  • PENG WEIXIONG
  • XU BOHAI

Assignees

  • 中交上海航道勘察设计研究院有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (10)

  1. 1. The utility model provides a enclose and fill up soft foundation and enclose dyke structure, its characterized in that includes drainage bed course, a plurality of plastics drain bar and dyke body arris body, the drainage bed course is used for laying on soft foundation, the lower extreme of plastics drain bar passes the drainage bed course gets into in the soft foundation, at least, lay the multilayer geotechnique and add muscle sand bag on the drainage bed course and form the bag body structure, the bag body structure is located the side of facing water side and be the slope, dyke body arris body set up in on the bag body structure, geotechnique adds muscle sand bag and dyke body arris body all is equipped with the filter layer in the side surface that is located the side of facing water, the dyke top of dyke body arris body has along preceding line and back along the line, will be located behind along the line right geotechnique adds muscle sand bag and builds the ground material.
  2. 2. The soft foundation surrounding dike structure for surrounding and filling a land as claimed in claim 1, wherein the drainage cushion layer is a structure that a geotextile bag body is filled with medium sand or coarse sand, the unit gram weight of the geotextile bag body material is less than or equal to 230g/m < 2 >, and the particle size of the medium sand or the coarse sand is less than 0.05mm.
  3. 3. The soft foundation surrounding dike structure for surrounding and filling land according to claim 1, wherein the plastic drainage plates are A-type, B-type, C-type or D-type, and the arrangement distance between the plastic drainage plates is 0.7-1.6 m.
  4. 4. The soft foundation surrounding dike structure of the surrounding and filling land according to claim 1, wherein the geotechnical reinforcement sand bag comprises a geotechnical fabric bag body and sand, the sand is filled in the geotechnical fabric bag body, the unit gram weight of the geotechnical fabric bag body material is more than or equal to 230g/m < 2 >, the sand adopts the particle content of more than 50% of particles with the particle size of more than 0.075mm, and the particle size of less than 0.05mm is less than 10%.
  5. 5. The soft foundation surrounding dike structure for surrounding and filling a land as claimed in claim 1, wherein the length and the cross section length of the geotechnical reinforced sand bag are 50-150 m, the longitudinal length is 20-40 m, and the height of each layer of the geotechnical reinforced sand bag is 0.5-1.0 m.
  6. 6. The soft foundation surrounding dike structure for surrounding and filling a land is characterized in that the geotechnical reinforcement sand bags take the front line of the dike tops of the dike body prisms as a boundary, and the paving length of each layer of geotechnical reinforcement sand bags behind the boundary is 2-6 times of that of the geotechnical reinforcement sand bags in front of the boundary.
  7. 7. The soft foundation surrounding dike structure for surrounding and filling land according to claim 1, wherein the dike body is formed by filling sand materials in a geotextile bag body and laminating, the unit gram weight of the geotextile bag body material is less than or equal to 200g/m < 2 >, the sand materials adopt the particle content of more than 50% of particles with the particle size of more than 0.075mm, and the particle size of less than 0.05mm is less than 10%.
  8. 8. The soft foundation surrounding dike structure for surrounding and filling a land as set forth in claim 1, wherein the back filtering layer is composed of a nonwoven geotextile and bagged gravels, the nonwoven geotextile is laid on the geotextile reinforced sand bag and the slope of the dike body on the water facing side, the bagged gravels are laid on the nonwoven geotextile, the bagged gravels are gravels in geotextile bags, and the unit gram weight of geotextile bags is less than 100g/m2.
  9. 9. The soft foundation surrounding dike structure for surrounding and filling land according to claim 1, wherein the outside of the inverted filter is tightly adhered with a block stone or a concrete block, and cement concrete or asphalt is paved above the ridge body of the dike body to form a road.
  10. 10. The soft foundation dike structure for enclosing and filling land according to claim 1, wherein the land building material is filled with sand or soil.

Description

Surrounding filling land soft foundation dyke structure Technical Field The utility model is suitable for the technical field of port channel engineering and water conservancy and hydropower engineering, and particularly relates to a soft foundation dyke structure for enclosing and filling. Background The soft foundation dyke is usually a slope structure with stronger adaptive uneven settlement capability, the dyke body material is usually block stones or bagged sand, 1-3 reinforcement layers (the lengths of the inner side and the outer side of the line in front of the dyke top are similar) are respectively additionally arranged at the bottom of the dyke body, and the dyke foundation treatment is usually carried out by adopting a plastic drainage plate and a preloading drainage consolidation method. The soft foundation has characteristics such as high moisture content, intensity are low, compressibility are big, in order to satisfy the safety and stability of dyke structure, and conventional slope dyke outside often needs to set up the back pressure platform in grades, and especially dyke height, soft foundation are deep, and outside flattening platform often is very wide, and outside slope is slower, and comprehensive side slope is generally about 1:4~1:10. For the land-building project of the surrounding fill, the outer slope foot line of the surrounding dike often needs not to exceed the land-building red line, and as the comprehensive slope at the outer side of the surrounding dike is very slow, the area from the front of the dike top to the outer slope foot line (the land-building red line) occupies a larger area, so that the actual land-building area is synchronously reduced, and the economic benefit of the land is reduced. The comprehensive side slope at the outer side of the dyke is slow, the construction amount of the inverted filter and the facing is large, and the construction cost of the dyke is high. Disclosure of utility model Based on the above, the utility model aims to provide a soft foundation dyke structure for enclosing and filling land, which aims to solve the problems of reduced land area, higher dyke manufacturing cost and the like caused by larger occupied area from the front line of the dyke top to the slope foot line (land-building red line) and the like caused by the conventional slope structure, thereby increasing the land-building area of the enclosing and filling land-building project, improving the economic benefit of the land and reducing the dyke manufacturing cost. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a soft foundation dike structure for a reclamation site, comprising: The drainage cushion layer, a plurality of plastic drainage plates and dyke body arris body, the drainage cushion layer is used for laying on soft foundation, the lower extreme of plastic drainage plates passes the drainage cushion layer gets into in the soft foundation, at least, laid multilayer geotechnique's reinforcement sand bag on the drainage cushion layer and formed the bag body structure, the bag body structure is located the one side of facing the water side and is the slope, dyke body arris body set up in on the bag body structure, geotechnique's reinforcement sand bag reaches dyke body arris body all is equipped with the filter layer in the one side surface that is located the facing the water side, the dyke top of dyke body arris body has preceding along the line and back along the line, will be located the back along the right geotechnique adds the reinforcement sand bag on the filling and builds the ground material. Optionally, the drainage cushion layer is a structure that the geotextile bag body is filled with medium sand or coarse sand, the unit gram weight of the geotextile bag body material is less than or equal to 230g/m < 2 >, and the grain diameter of the medium sand or coarse sand is less than 0.05mm. Optionally, the model of the plastic drainage plate is A type, B type, C type or D type, and the arrangement distance between the plastic drainage plates is 0.7-1.6 m. Optionally, the geotechnical reinforced sand bag comprises a geotechnical fabric bag body and sand, wherein the sand is filled in the geotechnical fabric bag body, the unit gram weight of the geotechnical fabric bag body material is more than or equal to 230g/m < 2 >, the sand adopts the particle content of which the particle size is more than 0.075mm to be more than 50%, and the content of sticky particles (the particle size is less than 0.05 mm) to be less than 10%. Optionally, the length and the cross section length of the geotechnical reinforced sand bag are 50-150 m, the longitudinal length of the geotechnical reinforced sand bag is 20-40 m, and the height of each layer of the geotechnical reinforced sand bag is 0.5-1.0 m. Optionally, the geotechnical reinforcement sand bag takes the front line of the embankment top of the embankment body as a boundary,