CN210013229U - Permeable caisson - Google Patents
Permeable caisson Download PDFInfo
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- CN210013229U CN210013229U CN201920540750.6U CN201920540750U CN210013229U CN 210013229 U CN210013229 U CN 210013229U CN 201920540750 U CN201920540750 U CN 201920540750U CN 210013229 U CN210013229 U CN 210013229U
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Abstract
The utility model provides a type caisson permeates water, including the caisson body, the caisson body includes square box, front lattice cabin, back lattice cabin and the partition wall between front lattice cabin and the back lattice cabin, sets up top breastwork, characterized by on the square box: the upper part of the front wall of the front cell cabin is provided with an opening, the lower end of the partition wall is provided with a water passing exchange passage port, a continuous baffle is vertically arranged in the front cell cabin close to the partition wall, and the opening in the front wall of the front cell cabin, the continuous baffle and the partition wall form a water passing passage. The bottom in the front lattice cabin is provided with a desilting pool, and the lower part of the front wall of the front lattice cabin is provided with a desilting pool sand discharge opening. The bottom of the back grid cabin is provided with a water passing exchange channel, the middle lower part of the back grid cabin is provided with a back grid cabin water passing channel, and the water passing exchange channel and the back grid cabin water passing channel in the back grid cabin form a water body exchange path with the water passing channel in the front grid cabin respectively. Can better strengthen the water body circulation of the water areas inside and outside the harbor basin, reduce the amount of silt entering the harbor basin in the circulation process and reduce the sedimentation in the harbor.
Description
Technical Field
The utility model belongs to harbour, coast engineering field relate to novel caisson structure, a type caisson permeates water specifically says so.
Background
The caisson belongs to the structural form of the traditional port engineering, and is widely applied to port and coastal engineering such as breakwaters, wharfs, revetments and the like. In recent years, with the rapid development of harbor and coastal engineering construction, harbor engineering buildings are more and more commonly constructed in open sea water areas with large waves, deep water and urgent flows, and therefore, the structural requirements for caissons are higher and higher.
According to the traditional vertical breakwater, the front wall of the caisson is a waterproof vertical wall, so that the basic requirements of engineering can be met, frequent maintenance is not needed, but the problems of large wave reflection, poor wave dissipation effect, easiness in scouring of a seabed in front of a structure, possibility of influencing the stability of a water area in a harbor and the like exist.
The trompil caisson developed later solves the big and poor defect of effect of eliminating ripples that the caisson received among the prior art, makes the sea water freely pass in and out the caisson body like this, reduces the wave reflection before the caisson. However, for the caisson with only the front wall of the front lattice chamber provided with the opening, the seawater only flows freely in the front lattice chamber, a large amount of silt is deposited, the water body exchange capacity is poor, and the water bodies inside and outside the harbor basin can only be exchanged through the harbor basin entrance.
For some special breakwaters such as open breakwaters, the water exchange capacity is good, but the breakwaters cannot be prevented from silt entering and the disturbance of the water flow to the waters in the harbor cannot be reduced.
How to design a permeable caisson, increase the way of water body exchange, can realize the free flow of the sea water in the harbor basin, has improved the ability of water body exchange inside and outside the harbor basin; meanwhile, the device has a good sand discharging function on the sediment carried by the waves, blocks the sediment from flowing into the harbor, and reduces the sedimentation in the harbor. This is a problem that is currently urgently to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the above-mentioned problem that prior art exists, provide a type caisson permeates water, reduce the wave reflection, improve stability, maintain under the steady prerequisite of basin in the harbor pond, can better strengthen the inside and outside waters water circulation in harbor pond to reduce the silt particle volume in getting into the harbor pond at the in-process of circulation, alleviate the interior siltation of harbor.
The utility model aims at realizing through the following technical scheme:
a permeable caisson comprises a caisson body, wherein the caisson body comprises a square box body, a front lattice cabin, a rear lattice cabin and a partition wall between the front lattice cabin and the rear lattice cabin, the square box body is provided with a top breast wall, the permeable caisson is characterized in that the upper part of the front wall of the front lattice cabin is provided with an opening, the lower end of the partition wall is provided with a water passing exchange passage port, the front lattice cabin is internally provided with a continuous baffle which is vertically close to the partition wall, the opening in the front wall of the front lattice cabin, the continuous baffle and the partition wall form a water passing passage, the bottom of the front lattice cabin is provided with a desilting pool, the lower part of the front wall of the front lattice cabin is provided with a desilting pool sand discharging port, the bottom of the rear lattice cabin is provided with a water passing exchange passage, one end of the water passing exchange passage is communicated with the water passing passage, the other end of the water passing passage is communicated with the rear wall of the rear lattice cabin, the middle lower part of the rear lattice cabin, the other end of the rear frame penetrates through the rear wall of the rear grid cabin.
The improvement of the technical scheme is as follows: the bottom of the sand sedimentation tank is provided with an inclined bottom plate, the height of the front end of the inclined bottom plate, which is connected with the front wall of the front cell cabin, is lower than that of the rear end of the inclined bottom plate, the inclination angle of the inclined bottom plate is 5-10 degrees, and a grid support plate is arranged above the sand sedimentation tank.
The technical scheme is further improved as follows: and block stones are filled above the grid supporting plates in the front grid cabin, and the filling height of the block stones is lower than that of the front wall opening of the front grid cabin.
The technical scheme is further improved as follows: the top of the continuous baffle is lower than the position of the hole on the front wall of the front cell cabin, and the bottom of the continuous baffle is slightly higher than the top elevation of the water passing exchange channel opening.
The technical scheme is further improved as follows: the width of the continuous baffle is consistent with that of the front compartment, and the distance between the continuous baffle and the partition wall is 1/5-1/6 of the length of the front compartment.
The technical scheme is further improved as follows: the continuous baffle and the partition wall form a water passing channel which is divided into a middle water passing channel and two side water passing channels, the transverse dimension of the two side water passing channels is 1/5-1/6 of the transverse dimension of the middle water passing channel, the lower end of the middle water passing channel is a contracted water bundling opening, a water passing exchange channel opening at the lower end of the partition wall is arranged below the water bundling opening, and one end of the water passing exchange channel is communicated with the water passing exchange channel opening; the rear grid cabin water passing channels are arranged on two sides of the rear grid cabin and communicated with the side edge water passing channels on the corresponding side.
The technical scheme is further improved as follows: the front end of the rear grid cabin water passing channel connected with the partition wall is lower than the rear end, and the inclination angle of the rear grid cabin water passing channel is 5-10 degrees.
Compared with the prior art, the utility model the advantage be with positive effect:
1. the utility model discloses at the antetheca upper portion trompil of check cabin before the caisson, guarantee near the regional water exchange of trompil. In order to ensure that the water body at the lower part of the front lattice cabin is exchanged, the opening on the front wall of the front lattice cabin and the water passing channel of the desilting basin are arranged. Water outside the harbor basin can enter through the opening and enter into the harbor basin through the water passing channel between the continuous baffle and the partition wall and the water passing exchange channel at the bottom of the back lattice cabin. Water in the harbor basin can enter a desilting basin in the front lattice cabin through a water passing exchange channel at the bottom of the rear lattice cabin and flow out of the harbor basin through a desilting outlet of the desilting basin. Furthermore, water in the harbor basin can enter the water passing channel of the front lattice cabin through the water passing channel of the rear lattice cabin, so that the water in the harbor basin can be exchanged outside the harbor basin. Meanwhile, the amount of silt entering the harbor pool is reduced in the circulation process, and harbor siltation is reduced.
2. The utility model discloses it has the piece stone to fill on the net backup pad in the check cabin in the front, and the packing height of piece stone is less than the trompil of check cabin antetheca. The device is used for increasing the stability of the structure, and meanwhile, stabilizing water flow and facilitating sediment sedimentation.
3. The utility model discloses the continuous baffle mid portion in the front check under-deck sets up the restraint mouth of a river of shrink for reduce the water channel increase flow velocity of water, can take away the silt in the water, avoid blockking up the water exchange passageway of crossing in the back check under-deck.
Drawings
Fig. 1 is a perspective view of a permeable caisson of the present invention;
fig. 2 is a front view of the permeable caisson of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 5 is a sectional view taken along line B-B of FIG. 2;
fig. 6 is a rear view of a permeable caisson of the present invention;
fig. 7 is the utility model relates to a three unit of type of permeating water caisson pours as an organic whole structure schematic diagram.
In the figure, 1, a top breast wall; 2. a front compartment; 2-1, opening holes; 2-2, continuous baffles; 2-3, grid support plates; 2-4, a desilting pond; 3, a back grid chamber; 3-1, passing a water exchange channel; 3-2, a water passing channel of the rear compartment; 4. a partition wall; 5. a sand discharge port of the desilting basin.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1-6, the utility model relates to a permeable caisson's embodiment, including the caisson body, the caisson body includes square box, front lattice 2, back lattice 3 and partition wall 4 between front lattice 2 and the back lattice 3, sets up top breastwall 1 on front lattice 2, sets up top breastwall 1 on above-mentioned square box. The upper part of the front wall of the front grid cabin 2 is provided with an opening 2-1, the lower end of the partition wall 4 is provided with a water passing exchange passage port, a continuous baffle 2-2 is vertically arranged in the front grid cabin 2 close to the partition wall 4, and the opening 2-1 on the front wall of the front grid cabin 2, the continuous baffle 2-2 and the partition wall 4 form a water passing passage; the bottom in the front grid cabin 2 is provided with a desilting pool 2-4, and the lower part of the front wall of the front grid cabin 2 is provided with a desilting pool sand discharge opening 5. A water passing exchange channel 3-1 is arranged at the bottom of the rear grid cabin 3, one end of the water passing exchange channel 3-1 is communicated with a water passing channel in the front grid cabin 2 through a water passing exchange channel port at the lower end of the partition wall 4, and the other end of the water passing exchange channel 3-1 penetrates through the rear wall of the rear grid cabin 3; a rear grid cabin water passing channel 3-2 is arranged at the middle lower part of the rear grid cabin 3, one end of the rear grid cabin water passing channel 3-2 is communicated with the water passing channel in the front grid cabin 2, and the other end of the rear grid cabin water passing channel 3-2 penetrates through the rear wall of the rear grid cabin 3.
A water body exchange path is formed by the water passing exchange channel 3-1 in the back grid cabin 3 and the water passing channel in the front grid cabin 2; the water passing channel 3-2 of the back grid compartment and the water passing channel in the front grid compartment 2 form a one-way water flow channel, so that water in the harbor pool only flows to an external water area.
The opening 2-1 on the front lattice 2, the desilting pool 2-4 and the desilting pool sand outlet 5 on the front lattice 2 form a water body exchange and sand discharge path. The sand sedimentation tank 2-4 at the bottom of the front grid cabin 2 can effectively sediment the seawater carrying the sand, and prevent sand from entering the water passing exchange channel 3-1 in the rear grid cabin 3 to block the channel.
Furthermore, an inclined bottom plate is arranged at the bottom of the sand basin 2-4, the height of the front end of the inclined bottom plate, which is connected with the front wall of the front grid cabin 2, is lower than that of the rear end, the inclination angle of the inclined bottom plate is 5-10 degrees, and a grid support plate 2-3 is arranged above the sand basin 2-4. The grid supporting plates 2-3 in the front grid cabin 2 are filled with the block stones, and the filling height of the block stones is lower than that of the openings 2-1 on the front wall of the front grid cabin 2.
Preferably, the top of the continuous baffle 2-2 is lower than the position of the opening 2-1 on the front wall of the front compartment 2, and the bottom of the continuous baffle 2-2 is slightly higher than the top level of the water exchange channel opening at the lower end of the partition wall 4.
The width of the continuous baffle 2-2 is consistent with the width in the front compartment 2, and the distance between the continuous baffle 2-2 and the partition wall 4 is 1/5-1/6 of the length of the front compartment.
And furthermore, a water passing channel formed by the continuous baffle 2-2 and the partition wall 4 is divided into a middle water passing channel and two side water passing channels, the transverse dimension in the two side water passing channels is 1/5-1/6 of the transverse dimension of the middle water passing channel, and the lower end of the middle water passing channel is a contracted water bundling opening. One end of the water passing exchange channel 3-1 is communicated with a middle water passing channel in the front grid cabin 2 through a water passing exchange channel opening at the lower end of the partition wall 4. The rear grid cabin water passing channels 3-2 are arranged on two sides of the rear grid cabin, and the rear grid cabin water passing channels 3-2 on the two sides are respectively communicated with the side water passing channels on the corresponding side. The front end of the rear grid cabin water passing channel 3-2 connected with the partition wall 4 is lower than the rear end, and the inclination angle of the rear grid cabin water passing channel 3-2 is 5-10 degrees.
The aperture ratio of the front wall of the front lattice 2 is 20% -40%, seawater can freely enter and exit the caisson body, wave reflection in front of the caisson is effectively reduced, and horizontal wave force borne by the structure is reduced.
During the specific manufacturing, a reinforced concrete water passing exchange channel 3-1 is preset at the bottom of the back grid cabin 3, a circular pipeline is arranged inside the water passing exchange channel 3-1, the pipe diameter is not suitable to be too large, the bottom elevation of a water inlet formed in the back wall of the back grid cabin 3 of the water passing exchange channel 3-1 is basically the same as the top elevation of the back end of the sand basin 2-4, and a trash rack is arranged at the water inlet. Sand is filled above the water passing exchange channel 3-1 in the back grid cabin 3, the self weight of the structure is increased, concrete is poured below the water passing exchange channel 3-1, and the stability of the pipeline is guaranteed.
The water body of the external domain can enter the harbor pool through the middle water passing channel in the front lattice 2 and the water passing exchange channel 3-1 at the bottom of the rear lattice 3, and the water body in the harbor pool can also reversely enter the front lattice 2 through the water passing exchange channel 3-1 at the bottom of the rear lattice 3 to realize the water body exchange, and the water body flow path is shown in figure 4. The lower parts of the two side edges of the continuous baffle 2-2 are not contracted, and water can flow through the water passing channels 3-2 of the back grid cabins at the two sides of the middle lower part of the back grid cabin 3 from the interior of the harbor basin and then enter the front grid cabin 2 through the water passing channels at the two side edges in the front grid cabin 2, and the water flowing path is as shown in figure 5.
The above structure of the utility model can realize the free flow of sea water in the harbor basin, can reduce the wave reflection, wave power and the wave climbing of structure effectively on the one hand, has realized the wave function of breakwater, and on the other hand, sea water can freely pass in and out the caisson body, has realized the inside water exchange of caisson. The utility model discloses reducing wave reflection, improving structural stability, maintaining under the steady prerequisite of basin in the harbor pond, can better strengthen the inside and outside waters water circulation of harbor pond to reduce the silt volume that gets into in the harbor pond at the in-process of circulation, alleviate the interior siltation of harbor.
The utility model discloses a caisson body mainly is prefabricated construction, and arrangement, easily operation, save material and construction time can be accomplished again to upper portion breastwork 1 structure after the completion of packing.
The above is that the utility model discloses a cell structure of caisson body can pour in succession by three unit (or a plurality of unit) structure and become overall structure, as shown in fig. 7.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art can make changes, modifications, additions or substitutions within the scope of the present invention, which also falls into the protection scope of the present invention.
Claims (10)
1. A permeable caisson comprises a caisson body, wherein the caisson body comprises a square box body, a front lattice cabin, a rear lattice cabin and a partition wall between the front lattice cabin and the rear lattice cabin, the square box body is provided with a top breast wall, the permeable caisson is characterized in that the upper part of the front wall of the front lattice cabin is provided with an opening, the lower end of the partition wall is provided with a water passing exchange passage port, the front lattice cabin is internally provided with a continuous baffle which is vertically close to the partition wall, the opening in the front wall of the front lattice cabin, the continuous baffle and the partition wall form a water passing passage, the bottom of the front lattice cabin is provided with a desilting pool, the lower part of the front wall of the front lattice cabin is provided with a desilting pool sand discharging port, the bottom of the rear lattice cabin is provided with a water passing exchange passage, one end of the water passing exchange passage is communicated with the water passing passage, the other end of the water passing passage is communicated with the rear wall of the rear lattice cabin, the middle lower part of the rear lattice cabin, the other end of the rear frame penetrates through the rear wall of the rear grid cabin.
2. The permeable caisson of claim 1, wherein the bottom of the desilting basin is provided with an inclined bottom plate, the front end of the inclined bottom plate connected with the front wall of the front cell cabin is lower than the rear end of the inclined bottom plate, the inclination angle of the inclined bottom plate is 5-10 degrees, and a grid support plate is arranged above the desilting basin.
3. The permeable caisson of claim 2, wherein the grid support plates in the front cell are filled with stones at a height lower than the opening in the front wall of the front cell.
4. A permeable caisson according to any one of claims 1 to 3, wherein the top of said continuous baffle is below the level of the opening in the front wall of said front bay and the bottom of said continuous baffle is slightly above the level of the top of said water exchange channel opening.
5. A permeable caisson according to any one of claims 1 to 3, wherein the width of said continuous barrier is the same as the width in the front compartment, and said continuous barrier is spaced from said partition wall by 1/5-1/6 of the length of the front compartment.
6. The permeable caisson of claim 4, wherein said continuous barrier has a width corresponding to the width of the interior of the front bay, and said continuous barrier is spaced from said partition wall by a distance of 1/5-1/6 of the length of the front bay.
7. A water-permeable caisson according to any one of claims 1 to 3, wherein said continuous baffle and said partition wall form a water passage divided into a middle water passage and two side water passages, the lateral dimension of each of the two side water passages being 1/5-1/6 of the lateral dimension of the middle water passage, the lower end of said middle water passage being a constricted water-restraining port, the water passage exchange port at the lower end of said partition wall being disposed below said water-restraining port, one end of said water passage exchange port being in communication with said water passage exchange port; the rear grid cabin water passing channels are arranged on two sides of the rear grid cabin and communicated with the side edge water passing channels on the corresponding side.
8. The permeable caisson of claim 6, wherein said continuous baffle and said partition form a water passage divided into a middle water passage and two side water passages, the lateral dimension of each of said two side water passages being 1/5-1/6 of the lateral dimension of said middle water passage, the lower end of said middle water passage being a constricted water-restraining port, the water passage exchange port at the lower end of said partition being disposed below said water-restraining port, said water passage exchange port being in communication with said water passage exchange port at one end; the rear grid cabin water passing channels are arranged on two sides of the rear grid cabin and communicated with the side edge water passing channels on the corresponding side.
9. A permeable caisson according to any one of claims 1 to 3, wherein the rear cell flume is connected to the partition at a front end at a lower level than at a rear end, the rear cell flume being inclined at an angle of 5 ° to 10 °.
10. The permeable caisson of claim 8, wherein the front end of the rear cell water passage connected to the partition is lower than the rear end, and the angle of inclination of the rear cell water passage is 5 ° to 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540750.6U CN210013229U (en) | 2019-04-19 | 2019-04-19 | Permeable caisson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540750.6U CN210013229U (en) | 2019-04-19 | 2019-04-19 | Permeable caisson |
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| CN210013229U true CN210013229U (en) | 2020-02-04 |
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| CN201920540750.6U Active CN210013229U (en) | 2019-04-19 | 2019-04-19 | Permeable caisson |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106901A (en) * | 2019-04-19 | 2019-08-09 | 中国海洋大学 | A kind of permeable caisson |
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2019
- 2019-04-19 CN CN201920540750.6U patent/CN210013229U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106901A (en) * | 2019-04-19 | 2019-08-09 | 中国海洋大学 | A kind of permeable caisson |
| CN110106901B (en) * | 2019-04-19 | 2023-12-12 | 中国海洋大学 | Permeable caisson |
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