CN210887184U - Straw pile for drainage consolidation and improvement of dredger fill - Google Patents
Straw pile for drainage consolidation and improvement of dredger fill Download PDFInfo
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- CN210887184U CN210887184U CN201921777078.9U CN201921777078U CN210887184U CN 210887184 U CN210887184 U CN 210887184U CN 201921777078 U CN201921777078 U CN 201921777078U CN 210887184 U CN210887184 U CN 210887184U
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- pile
- straw
- dredger fill
- pile body
- drainage
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- 239000010902 straw Substances 0.000 title claims abstract description 100
- 238000007596 consolidation process Methods 0.000 title claims abstract description 20
- 230000006872 improvement Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 13
- 239000002023 wood Substances 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 16
- 238000003825 pressing Methods 0.000 abstract description 16
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009941 weaving Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- PPQREHKVAOVYBT-UHFFFAOYSA-H dialuminum;tricarbonate Chemical compound [Al+3].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O PPQREHKVAOVYBT-UHFFFAOYSA-H 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 229940118662 aluminum carbonate Drugs 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to the technical field of dredger fill consolidation and improved straw piles, in particular to a straw pile for dredger fill drainage consolidation and improvement, which is characterized in that a straw pile is pressed into dredger fill, the diameter of the top of a pile head is larger than that of a straw pile body, so that the contact between the dredger fill and the straw pile body can be delayed during pressing, and the resistance is reduced; drawing out a compression-resistant pile core, wherein the compression-resistant pile core is made of a steel pipe, and can be drawn out from the straw pile body for recycling after the pile pressing is finished; the straw pile can form a hollow straw drainage cavity by utilizing the better permeability of the straw and the permeability and mud separation of the degradable fiber cloth, and the straw pile body is internally provided with the lining ring, so that the straw pile body extruded by the dredger fill is prevented from collapsing to the hollow cavity, the blockage is avoided, and the water is conveniently discharged from the hollow cavity; regularly inserting a drain pipe into the straw pile body for draining water to solidify the dredger fill; the pile head can be slowly decomposed and the pile body of the straw can be decomposed and degraded, so that the organic matters of the dredger fill can be increased, and the looseness, water permeability and air permeability of local dredger fill can be improved.
Description
Technical Field
The utility model relates to a straw stake technical field of dredger fill consolidation and improvement, concretely relates to straw stake to dredger fill drainage consolidation and improvement.
Background
The dredger fill generally has the characteristics of small volume weight, large pore ratio, high water content, extremely low strength, high compressibility, small permeability and the like, a foundation or a roadbed formed by the dredger fill has very poor strength and cannot be directly used for engineering construction generally, meanwhile, the dredger fill has extremely poor water permeability and air permeability, the natural consolidation speed is very slow, and the growth of common green plants, green trees and the like is difficult; if engineering construction, greening and the like need to be carried out on a dredger fill site, manual treatment is needed.
At present, the consolidation and improvement methods of the dredger fill comprise a natural consolidation method, a replacement filling method, a grouting method and a prepressing method; the consolidation method is to improve the dredger fill through natural aging effect, and the method has long period; the method for changing the surface dredger fill into the soil layer with excellent physical properties is short in period and quick in effect, but high transportation cost is needed, fertile farmlands are damaged, and economic benefits are poor; the grouting method is characterized in that a straw drainage body is sunk into the dredger fill, and slurry is injected into the drainage body by inserting a metal pipe to form a sludge pile, so that the method is high in cost, pollutes the soil body and is not suitable for surface greening work of the dredger fill; the pre-pressing method is characterized in that external pressure or negative pressure generated by the soil body is applied to the soil body, so that water in the soil body is extruded into the drainage body to reduce the water content of the bottom soil body, and the consolidation effect is achieved.
The existing treatment mode can not effectively solidify and improve the dredger fill and can cause pollution and resource waste.
SUMMERY OF THE UTILITY MODEL
To the above shortcoming that prior art exists, the utility model provides an utilize straw stake to the method of dredger fill drainage consolidation and soil body improvement, can overcome prior art existence effectively and improve the problem that the dredger fill method in the cycle is long, there is pollution and with high costs.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a straw pile for consolidating and improving dredger fill drainage comprises a pile head, a straw pile body and a compression-resistant pile core; the upper end of the pile head is provided with a connecting rod, and the pile head is connected with the straw pile body through the connecting rod; an inner lining ring is uniformly arranged in the straw pile body from top to bottom; the compression-resistant pile core is inserted into the inner lining ring.
Furthermore, the pile head is in an inverted cone shape, and the diameter of the top of the pile head is larger than that of the straw pile body.
Furthermore, the pile head is made of a material with slow release and foaming functions in water, and is formed by high-pressure compaction.
Furthermore, the straw pile body is formed by weaving straw into a curtain and winding degradable fiber cloth fastened by an outer binding rope on the surface layer.
Furthermore, the material of the compressive pile core is a steel pipe.
Still further, the inner liner ring is of a wood material.
The utility model also discloses a method for utilize the straw stake to consolidate the dredger fill drainage and the soil body improvement, concrete step is as follows:
1. determining the pile pressing position and determining the longitudinal and transverse spacing of straw piles on the horizontal plane;
2. connecting the pile head and the straw pile body;
3. digging a pre-pressing hole at the position of the pile pressing;
4. pile pressing is carried out;
5. after the straw pile is pressed into the dredger fill, standing the straw pile, and then drawing out the compression-resistant pile core;
6. and (3) draining the cavity formed by the straw pile body regularly.
Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:
(1) the straw pile has a simple structure and is convenient to construct; the diameter of the top of the pile head is slightly larger than that of the straw pile body, so that the contact between a dredger fill soil body and the pile body can be delayed during pressing in, the resistance is reduced, and the straw pile can be conveniently pressed in;
(2) the straw pile body is internally provided with the compression-resistant pile core steel pipe, so that the straw pile is high in compression resistance and bearing capacity and easy to complete the construction of the pile; the steel pipe can be recycled after construction;
(3) the straw pile body is formed by weaving straw into a curtain and winding degradable fiber cloth attached to the surface layer, the straw pile body has the characteristics of water and air permeability and mud resistance, and a pile core cavity cannot be filled with dredger fill, so that regular drainage is facilitated;
(4) the inner lining rings are uniformly arranged in the straw pile body, so that the straw pile body can be prevented from collapsing into the cavity due to extrusion of a dredger fill soil body, a space can be provided for later pumping and drainage operation for a long time, and the inner lining rings are made of wood materials and can be degraded and absorbed;
(5) the pile head is made of a material with slow release and foaming functions in water, and is slowly decomposed to generate bubbles when meeting water, so that the contact surface area of the pile head and a dredger fill soil body is increased, a drainage channel is formed, and drainage consolidation is quicker and better in effect;
(6) the straw pile can form a hollow straw drainage cavity by utilizing the better permeability of the straw and the permeability and mud separation of the degradable fiber cloth, and the hollow pipe of the straw pile body is internally provided with the lining ring, so that the straw pile body extruded by the dredger fill soil body is prevented from collapsing to the hollow cavity, the blockage is avoided, the water is conveniently discharged from the hollow cavity, and the dredger fill soil body is drained and consolidated; the pile head can be slowly decomposed along with the time, the straw pile body is decayed and degraded to be fused with the soil body, so that the organic matter of the soil body can be increased, and the looseness, water permeability and air permeability of the local soil body can be improved;
(7) the straw pile body can provide necessary space and nutrients for the root system of the tree, and the greening efficiency is high after hydraulic filling;
(8) the materials of the pile head and the straw pile body do not produce any pollution in soil, the materials are convenient to obtain, and the compression-resistant pile core can be recycled, so that the method has higher social benefit and economic benefit;
(9) the method has repeatability, and can be used for carrying out drainage consolidation and improvement on the same soil mass for multiple times.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of a cross-sectional structure of the straw pile of the present invention;
fig. 2 is a schematic view of the pile head structure of the present invention;
FIG. 3 is a schematic view of a cross-sectional partial structure of the straw pile body of the present invention;
fig. 4 is a schematic sectional view of the structure of fig. 3 a-a according to the present invention;
FIG. 5 is a schematic view of the process of fixing the straw piles and the drainage pipe;
the reference numerals in the drawings denote: 1-pile head; 2-straw pile body; 3-compressive pile core; 4-a connecting rod; 5-degradable fiber cloth; 6-inner lining ring; 7-external tying; 8-bubbles; 9-a drain pipe; a-a state diagram of pressing and filling the straw piles; b, a straw pile state diagram of the drawing-off pressure-resistant pile core; c-pile head decomposition state diagram; d-a fusion state diagram of straw pile decomposition and dredger fill.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
Referring to fig. 1 to 4, a straw pile for consolidating and improving dredger fill drainage comprises a pile head 1, a straw pile body 2 and a compression-resistant pile core 3; the upper end of the pile head 1 is provided with a connecting rod 4, and the pile head 1 is connected with the straw pile body 2 through the connecting rod 4; the interior of the straw pile body 2 is uniformly provided with inner lining rings 6 from top to bottom; the compressive pile core 3 is inserted into the inner lining ring 6.
Specifically, referring to fig. 1, the pile head 1 is in an inverted cone shape, the diameter of the top of the pile head 1 is larger than that of the straw pile body 2, contact between a dredger fill soil body and the straw pile body 2 can be delayed during pressing, resistance is reduced, and pressing of the straw pile is facilitated.
Specifically, the pile head 1 is made of a material with slow release and foaming functions in water, the pile head 1 is formed by tightly forming aluminum carbonate under high pressure and wrapping a layer of slow release film on the surface of the pile head, the pile head 1 can be slowly decomposed, the contact surface area of the pile head and a dredger fill soil body is increased, a drainage channel is formed, drainage consolidation is quicker, the effect is good, and the pile head 1 is formed by high-pressure compaction.
Specifically, referring to fig. 3 and 4, the straw pile body 2 is formed by weaving straw into a curtain and winding degradable fiber cloth 5 fastened through an outer binding rope 7 on the surface layer, and the straw pile body 2 is decayed and degraded along with the passage of time and is fused with the dredger fill soil body, so that organic matters of the dredger fill soil body can be increased, the looseness, water permeability and air permeability of the local dredger fill soil body can be improved, and soil can not be polluted.
Specifically, the compression-resistant pile core 3 is made of a steel pipe, and can be recycled, so that resources are saved.
Specifically, the lining ring 6 is made of wood, the lining ring can be made of bamboo poles, the manufacturing cost is low, materials are convenient to obtain, the wood can be degraded in the dredger fill along with the lapse of time, and soil pollution is avoided.
Referring to fig. 1 to 5, in the method for drainage consolidation and soil improvement of dredger fill by using straw piles, pile heads 1 of the straw piles are slowly decomposed, the contact surface area with the dredger fill soil is increased, a drainage channel is formed, and drainage consolidation is quicker and better in effect; the straw pile body 2 of the straw pile is decayed and degraded along with the time and is fused with the dredger fill soil body, organic matters of the dredger fill soil body can be increased, and the looseness, water permeability and air permeability of the local dredger fill soil body can also be improved, and the method comprises the following specific steps:
1. determining the pile pressing position, determining the longitudinal and transverse spacing of the straw piles on the horizontal plane, and effectively improving the whole range of the dredger fill;
2. the pile head 1 and the straw pile body 2 are connected, and the pile head 1 and the straw pile body 2 are connected through a connecting rod 4;
3. a pre-pressing hole is dug at the position of the pile pressing position, so that the straw pile is conveniently pressed downwards, and the deviation of the pressing position is avoided;
4. the top of the pile head 1 is larger than the diameter of the straw pile body 2, so that the contact between a dredger fill soil body and the straw pile body 2 can be delayed during pressing, the resistance is reduced, and the straw pile can be conveniently pressed in;
5. after the straw pile is pressed into the dredger fill, standing the straw pile, and then drawing out the compression-resistant pile core 3, wherein the compression-resistant pile core 3 is made of a steel pipe, and the straw pile body 2 can be drawn out and recycled after the pile is pressed;
6. the hollow straw drainage cavity can be formed by the straw pile body 2 by regularly draining water from the cavity formed by the straw pile body 2, the straw pile body 2 is internally provided with the inner lining ring 6, so that the straw pile body 2 after being extruded by a dredger fill soil body is prevented from collapsing to the hollow cavity, the blockage is avoided, and water is conveniently drained from the hollow cavity; and regularly inserting the drain pipe 9 into the straw pile body 2 for draining water to solidify the dredger fill.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A straw pile for consolidating and improving dredger fill drainage comprises a pile head (1), a straw pile body (2) and a compression-resistant pile core (3); the straw stalk pile is characterized in that the upper end of the pile head (1) is provided with a connecting rod (4), and the pile head (1) is connected with the straw pile body (2) through the connecting rod (4); inner lining rings (6) are uniformly arranged in the straw pile body (2) from top to bottom; the compression-resistant pile core (3) is inserted into the inner lining ring (6).
2. The straw pile for consolidation and improvement of dredger fill drainage of claim 1, wherein the pile head (1) is in an inverted conical shape, and the diameter of the top of the pile head (1) is larger than that of the straw pile body (2).
3. The straw pile for consolidation and improvement of dredger fill drainage according to claim 1, characterized in that the material of the pile head (1) is a material with slow release and foaming functions in water, and the pile head (1) is formed by high pressure compaction.
4. The straw pile for consolidation and improvement of drainage of dredger fill according to claim 1, characterized in that the straw pile body (2) is made of straw woven into curtain and the surface layer is made of degradable fiber cloth (5) fastened by an outer binding rope (7) by winding.
5. The straw pile for consolidating and improving dredger fill drainage of claim 1, wherein the material of the pile core (3) is a steel pipe.
6. The straw pile for consolidating and improving drainage of dredger fill according to claim 1, characterized in that the lining ring (6) is of wood material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777078.9U CN210887184U (en) | 2019-10-22 | 2019-10-22 | Straw pile for drainage consolidation and improvement of dredger fill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777078.9U CN210887184U (en) | 2019-10-22 | 2019-10-22 | Straw pile for drainage consolidation and improvement of dredger fill |
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| Publication Number | Publication Date |
|---|---|
| CN210887184U true CN210887184U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921777078.9U Active CN210887184U (en) | 2019-10-22 | 2019-10-22 | Straw pile for drainage consolidation and improvement of dredger fill |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685270A (en) * | 2019-10-22 | 2020-01-14 | 江苏海洋大学 | Method for drainage consolidation and soil improvement of dredger fill by using straw piles |
| CN115045259A (en) * | 2022-06-30 | 2022-09-13 | 深圳厚坤软岩科技有限公司 | Rigid-flexible composite thick-shell composite foundation technology and construction method |
-
2019
- 2019-10-22 CN CN201921777078.9U patent/CN210887184U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685270A (en) * | 2019-10-22 | 2020-01-14 | 江苏海洋大学 | Method for drainage consolidation and soil improvement of dredger fill by using straw piles |
| CN115045259A (en) * | 2022-06-30 | 2022-09-13 | 深圳厚坤软岩科技有限公司 | Rigid-flexible composite thick-shell composite foundation technology and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: MARINE RESOURCES DEVELOPMENT INSTITUTE OF JIANGSU (LIANYUNGANG) Assignor: Jiangsu Ocean University Contract record no.: X2023980048267 Denomination of utility model: A straw pile for drainage consolidation and improvement of hydraulic fill soil Granted publication date: 20200630 License type: Common License Record date: 20231128 |
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| EE01 | Entry into force of recordation of patent licensing contract |