CN213805707U - Road enhancement mode infiltration well and sleeve based on sponge city construction - Google Patents
Road enhancement mode infiltration well and sleeve based on sponge city construction Download PDFInfo
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- CN213805707U CN213805707U CN202022376844.XU CN202022376844U CN213805707U CN 213805707 U CN213805707 U CN 213805707U CN 202022376844 U CN202022376844 U CN 202022376844U CN 213805707 U CN213805707 U CN 213805707U
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Abstract
The utility model discloses a road enhancement mode infiltration well and sleeve based on sponge city construction, which is characterized in that the infiltration well is provided with a shaft at a low-lying easy water accumulation position on the road surface, the bottom of the shaft passes through a roadbed cushion layer and extends to an original soil layer, and the shaft wall is provided with a plurality of slots extending to the surrounding soil layer; a steel ring is arranged at the opening of the shaft; filling fine aggregates into the shaft, pouring a part of the fine aggregates into the slot by means of fluidity to support the slot, filling the rest of the fine aggregates into the shaft, and filling coarse aggregates on the upper part of the fine aggregates; a water permeable plug and a well cover with water permeable holes are arranged at the mouth of the shaft. When the rainwater collecting device is used, rainwater flows into the shaft coarse aggregate through the shaft water permeable plug, the rainwater permeates the coarse aggregate at a high speed and enters the fine aggregate, the problem that a large amount of rainwater on the ground is accumulated is solved, the fine aggregate is small in particle size and slow in water seepage, the rainwater slowly permeates in the fine aggregate section, and meanwhile, the fine aggregate in the cut seam is slowly permeated into water just like sponge water absorption, so that the effect of storing water is achieved.
Description
Technical Field
The utility model relates to a sponge city construction technical field especially relates to urban road rainwater recycle technique.
Background
The construction of sponge cities has great significance for relieving municipal water of water-deficient cities and protecting and improving urban ecological environment. The current sponge city construction technology mainly adopts the technical routes of source control, process purification and tail end treatment. Through measures such as paving water-permeable clothes, flat curbs, disconnection of a rain drop pipe and the like, rainwater is controlled to directly enter a rainwater pipe network at the source, the rainwater is guided into a sunken green land and a rainwater garden for storage, purification and infiltration, the purified rainwater is discharged into a municipal rainwater pipe network through an overflow port and is guided into a drainage open channel through a pipe network.
However, the sponge city technology has the following problems to be solved: (1) the urban road construction needs tamping roadbed, laying cushion layer to ensure the durability of road surface structure. Even if the permeable brick and the permeable asphalt are adopted to improve the water permeability of the pavement, the poor water permeability of the lower cushion layer of the pavement can prevent the accumulated water on the pavement from seeping downwards, and the accumulated water on the pavement can not be effectively reserved. (2) The installation retaining module not only excavates the earthwork work volume big, and life is limited, and the later stage is difficult for changing. (3) The common measures of permeable pavement, grass planting ditches, sunken greenbelts, wet ponds and the like belong to a ground surface water storage mode, and only the regional water storage capacity is improved. When the surface soil layer is saturated with water, the soil layer infiltration capacity is reduced. (4) The common seepage well has a complex structure and high construction cost, and the position of a well head is limited by the site.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a road enhancement mode infiltration well based on sponge city construction, this infiltration well improve the radial infiltration of traditional infiltration well for directional infiltration mode, have well body simple structure, construction convenience, to advantages such as road surface structure influence is little. The seepage well can change the rainwater from the subsurface seepage mode to the three-dimensional seepage mode, and can effectively save the water for municipal green land.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a road enhanced type water seepage well based on sponge city construction is characterized in that,
it includes pit shaft, reinforcement steel ring, fine aggregate, coarse aggregate, a plurality of slots, well lid and ventilative stopper, wherein:
the shaft is arranged at a low-lying water accumulation part of the road surface, the bottom of the shaft penetrates through the roadbed cushion layer and extends to an original soil layer, and the shaft wall is provided with a plurality of cutting seams extending to the surrounding soil layer; the reinforcing steel ring is arranged at the opening of the well barrel, and the top surface of the reinforcing steel ring is flush with the road surface; filling fine aggregates into the shaft, pouring a part of the fine aggregates into the slot by means of fluidity to support the slot, filling the rest of the fine aggregates into the shaft, and filling coarse aggregates on the upper part of the fine aggregates; a water permeable plug and a well cover with water permeable holes are arranged at the mouth of the shaft.
Further, in order to make the shaft firmer, the length of the reinforcing steel ring should satisfy the condition that the bottom of the reinforcing steel ring extends to the cutting seam on the uppermost part of the shaft wall.
Further: the fine aggregate refers to sand or stones with the particle size of less than 4.75mm, and the coarse aggregate refers to stones with the particle size of more than 4.75 mm.
For the convenience of construction, the utility model provides a supporting sleeve, its structure is: the device is a pipe body with a T-shaped section and an outer diameter matched with the inner diameter of a shaft, and a vertical gap is prefabricated on the wall of a sleeve.
The positive effects of the present invention will be described below based on the working mechanism.
When rainwater is gathered at the low-lying position of the road surface, the rainwater flows into the shaft coarse aggregate through the shaft water permeable plug, the rainwater permeates the coarse aggregate at a higher speed and enters the fine aggregate due to the larger particle size of the coarse aggregate and the good water permeability, so that the problem of large accumulation of the rainwater on the ground is solved, the water seepage speed is low due to the small particle size of the fine aggregate, the rainwater slowly permeates in the fine aggregate section, and meanwhile, the fine aggregate in the cut seam is slowly permeated into the water just like sponge water absorption, so that the function of storing the water is achieved. Rainwater stored in the fine aggregate further provides moisturizing effect for nearby greenery.
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 present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an external view of a shaft of the present invention;
FIG. 1 is a schematic structural view of the water seepage well of the present invention;
FIG. 2 is a construction drawing of the water seepage well of the present invention;
fig. 3 is a sleeve structure diagram used in the construction of the seepage well of the utility model.
In the figure: 1-wellbore, 2-permeable plug, 3-steel ring, 4-coarse aggregate, 5-fine aggregate, 6-slotted, 7-cement pump, 8-high pressure water pump, 9-high pressure water gun, 10-water pumping pipe, 11-well lid, 12-sleeve.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in fig. 1, the utility model discloses infiltration well includes pit shaft 1, ventilative stopper 2, consolidates steel ring 3, fine aggregate 4, coarse aggregate 5, slot 6, wherein:
the shaft 1 is arranged at a low-lying water accumulation part of the road surface, the bottom of the shaft 1 penetrates through the roadbed cushion layer and extends to an original soil layer, and a plurality of gaps 6 extending to a surrounding green belt are cut on the inner wall of the shaft 1; the steel ring 3 is tightly attached to the inner wall of the opening of the shaft 1, as seen from figure 3, the top surface of the steel ring 3 is flush with the ground, and the bottom surface of the steel ring 3 extends to the position of the uppermost slot 6 to reinforce the wall of the well close to the ground; filling fine aggregates 5 in the shaft 1, wherein a part of the fine aggregates 5 are filled in the slots 6 by the self-fluidity, so that the slots 6 are prevented from being closed, the rest of the fine aggregates 5 are left in the shaft 1, and the upper parts of the fine aggregates 5 are filled with coarse aggregates 4; a water-permeable plug 2 is installed at the opening of the shaft 1.
The fine aggregate 5 is sand or stone with a particle size of less than 4.75mm, and the coarse aggregate 4 is stone with a particle size of more than 4.75 mm.
In order to protect the water-permeable plug and reinforce the road surface, a well cover 11 is arranged at the shaft opening, and a water-permeable hole is arranged on the well cover.
The construction method of the present invention will be described below.
The specific construction steps are shown in FIG. 3:
(1) drilling a shaft 1 at a low-lying water accumulation part of the road surface by using a rock drilling machine, realizing water collection by using the gradient of the road surface, and enabling the shaft 1 to penetrate through a roadbed cushion layer and extend to an original soil layer.
(2) And (4) judging the soil layer property according to the drilling sampling, and determining the injection water pressure and the injection range.
(3) Placing the sleeve 12 shown in fig. 2 in the shaft 1, wherein the prefabricated gaps of the sleeve are all in an undisturbed soil layer;
(4) the high-pressure water jet gun 9 is placed into the sleeve 12, the high-pressure water pump 8 provides high-pressure water for the high-pressure water jet gun 9, the water jet gun mouth is aligned with the gap of the sleeve 12, and hydraulic cutting is conducted on the soil layer, so that a plurality of cutting seams 6 extending to the green belt are formed. The mud in the slot 6 is pumped out of the ground surface through a cement pump 7 and a water pumping pipe 10. Under the action of the self weight of the soil layer, the cutting seams 6 are in an open state.
(5) After the slotting is finished, the sleeve 12 is taken out, the steel ring 3 is placed at the inlet of the shaft 1 to reinforce the well wall, and the well at the top end of the steel ring 3 is flush with the road surface.
(6) Filling fine aggregate 5 in the shaft, wherein the fine aggregate 5 can fill the slot 6 due to the fluidity of the fine aggregate 5 so as to support the slot and enhance soil seepage; the coarse aggregate 4 is refilled, and then a permeable plug 2 and a well cover 11 with permeable holes are installed.
The working mechanism of the utility model is shown in figure 3: when rainwater is gathered at the low-lying position of the road surface, the rainwater sequentially flows into the shaft 1 through the water permeable holes of the well cover 11 and the water permeable plugs 2, the rainwater flows into the fine aggregate 5 from gaps among 4 coarse aggregates, and the rainwater is filled in the space of the hydraulic cutting seams 6 and then permeates into the surrounding soil layer to play a role in storing water. Solves the problem of large accumulation of rainwater on the surface of the earth, and provides moisturizing effect for the nearby green plant root systems.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a road enhancement mode infiltration well based on sponge city construction which characterized in that, it includes the pit shaft, consolidates steel ring, fine aggregate, coarse aggregate, a plurality of slots, well lid and ventilative stopper, wherein:
the shaft is arranged at a low-lying water accumulation part of the road surface, the bottom of the shaft penetrates through the roadbed cushion layer and extends to an original soil layer, and the shaft wall is provided with a plurality of cutting seams extending to the surrounding soil layer; the reinforcing steel ring is arranged at the opening of the well barrel, and the top surface of the reinforcing steel ring is flush with the road surface; filling fine aggregates into the shaft, pouring a part of the fine aggregates into the slot by means of fluidity to support the slot, filling the rest of the fine aggregates into the shaft, and filling coarse aggregates on the upper part of the fine aggregates; a water permeable plug and a well cover with water permeable holes are arranged at the mouth of the shaft.
2. A road reinforced type water seepage well based on sponge city construction as claimed in claim 1 wherein the length of said steel ring is such that the bottom of the reinforced steel ring extends to the cutting seam on the uppermost part of the wall of the well.
3. A road reinforced type water seepage well based on sponge city construction as claimed in claim 1 or 2 wherein the fine aggregate is sand or stone with a particle size of less than 4.75mm, and the coarse aggregate is stone with a particle size of more than 4.75 mm.
4. A sleeve for constructing the road reinforced seepage well based on sponge city construction according to any one of claims 1 to 3, which is a pipe body with an outer diameter matched with the inner diameter of a shaft and a T-shaped section, and vertical gaps are prefabricated on the wall of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022376844.XU CN213805707U (en) | 2020-10-23 | 2020-10-23 | Road enhancement mode infiltration well and sleeve based on sponge city construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022376844.XU CN213805707U (en) | 2020-10-23 | 2020-10-23 | Road enhancement mode infiltration well and sleeve based on sponge city construction |
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| CN213805707U true CN213805707U (en) | 2021-07-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585436A (en) * | 2021-08-13 | 2021-11-02 | 中国一冶集团有限公司 | Tubular pile system permeates water |
| CN114687427A (en) * | 2022-04-19 | 2022-07-01 | 山东科技大学 | Seepage increasing device of seepage well and implementation method thereof |
-
2020
- 2020-10-23 CN CN202022376844.XU patent/CN213805707U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585436A (en) * | 2021-08-13 | 2021-11-02 | 中国一冶集团有限公司 | Tubular pile system permeates water |
| CN114687427A (en) * | 2022-04-19 | 2022-07-01 | 山东科技大学 | Seepage increasing device of seepage well and implementation method thereof |
| CN114687427B (en) * | 2022-04-19 | 2024-04-26 | 山东科技大学 | Seepage increasing device for seepage well and implementation method thereof |
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