CN109505343B - Drainage mouth reconstruction structure of drainage culvert - Google Patents
Drainage mouth reconstruction structure of drainage culvert Download PDFInfo
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- CN109505343B CN109505343B CN201811519347.1A CN201811519347A CN109505343B CN 109505343 B CN109505343 B CN 109505343B CN 201811519347 A CN201811519347 A CN 201811519347A CN 109505343 B CN109505343 B CN 109505343B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000013016 damping Methods 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 239000013535 sea water Substances 0.000 claims abstract description 16
- 239000004575 stone Substances 0.000 claims description 34
- 239000004567 concrete Substances 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 6
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 239000008239 natural water Substances 0.000 abstract description 3
- 238000003911 water pollution Methods 0.000 abstract description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000009991 scouring Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 244000173207 Phyllanthus amarus Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Revetment (AREA)
Abstract
The invention provides a drainage hidden culvert drainage port reconstruction structure, which is positioned at a coast and faces to sea water, and comprises a tide blocking gate section, a stilling pool section and a sea diffusion section which are sequentially arranged on the coast from the drainage port to the direction of the sea water, wherein the tide blocking gate section, the stilling pool section and the sea diffusion section are characterized in that: the moisture blocking gate section is used for controlling the opening and closing of the drainage port so as to control the drainage of water in the culvert; the damping pool section comprises a bank wall and a bottom plate, wherein the bank wall is arranged on two sides of the tide blocking gate section and corresponds to two sides of the exhaust port, the bottom plate is connected between the bank walls, the damping pool is formed by surrounding the bank wall and the bottom plate, an inlet end is formed at one end, close to the exhaust port, of the bank wall, an outlet end is formed at the other end, far away from the exhaust port, of the bank wall, and one side, away from the damping pool, of the bank wall is provided with a gradient; the sea-land section is arranged at the outlet end of the stilling pool. The invention can solve the problems of urban waterlogging and water and soil loss at the lower part of the culvert drainage port caused by natural water pollution, seawater and sewage backflow.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a drainage mouth reconstruction structure for a drainage culvert.
Background
In the current construction process of the traditional urban drainage facility, an outlet of a drainage culvert is generally directly arranged at the sea side or in a tidal channel river channel, and the construction method can generate the condition of backward flow of seawater or sewage under the natural condition that the water level is increased due to the occurrence of flood tide or rough waves and the like. Moreover, repeated rising and falling tides and sea wave scouring can also cause water and soil loss at the lower part of the culvert drainage port, influence the bearing capacity of the foundation and cause a series of problems of structural safety.
In order to solve the problems of serious urban water pollution, low rainwater utilization rate, insufficient drainage capacity of the existing road and the like, the concept of a sponge city is provided and applied. The core idea of the sponge city is 'seepage, stagnation, storage, cleaning, use and discharge' six, namely, rainwater is utilized by sponge facilities, so that the rainwater is fully absorbed and purified by vegetation and soil, the vegetation in green belts on two sides of a road can be nourished by utilizing the rainwater while the rainwater discharge amount is reduced, and the effect of purifying the rainwater by utilizing the vegetation, the soil and the like is also achieved. Therefore, the burden of the original urban drainage system can be reduced, and the water storage and purification capacity of the city can be exerted to the greatest extent.
Disclosure of Invention
In view of the above, the invention provides a drainage hidden culvert drainage reconstruction structure, which solves the problems of natural water pollution caused by directly draining sewage into a natural water system, urban waterlogging caused by reverse flowing of seawater and sewage, and water and soil loss at the lower part of a hidden culvert drainage caused by repeated rising and falling of tide and sea wave scouring in the existing urban drainage system.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a drainage is hidden to be improved structure of arranging, the arranging is located coast department and towards the sea water setting, arrange to be improved the structure including certainly the arranging is to the tide gate section, the stilling pool section and the sea diffuse section that the direction at sea water place is arranged in proper order, the tide gate section the stilling pool section reaches the sea diffuse section is located on the coast between the arranging with sea water, wherein:
the moisture blocking gate section is used for controlling the opening and closing of the drainage port so as to control the drainage of water in the culvert;
the damping pool section comprises a bank wall and a bottom plate, wherein the bank wall is arranged on two sides of the tide blocking gate section and corresponds to two sides of the exhaust port, the bottom plate is connected between the bank walls, the damping pool is formed by surrounding the bank wall and the bottom plate, an inlet end is formed at one end, close to the exhaust port, of the bank wall, an outlet end is formed at the other end, far away from the exhaust port, of the bank wall, and one side, away from the damping pool, of the bank wall is provided with a gradient;
the sea-land section is arranged at the outlet end of the stilling pool.
In the embodiment of the invention, one end of the bottom plate extends to the bottom of the moisture blocking gate section, and the bottom of the gate of the moisture blocking gate section extends into the bottom plate.
In the embodiment of the invention, the bottom plate comprises a first section positioned at the bottom of the tide gate section and a second section positioned at the bottom of the stilling pool section;
one end of the first section is connected with the exhaust port, the other end of the first section is connected with the second section, and the thickness of the two ends of the first section is larger than that of the middle part of the first section; one end of the second section is connected with the first section, the other end of the second section is connected with the sea-diffusing section, and the thickness of the two ends of the second section is larger than that of the middle part of the second section.
In the embodiment of the invention, the bottom of the damping basin and the damping basin are sequentially provided with a concrete cushion layer, a broken stone cushion layer and a broken stone vibroflotation pile from top to bottom.
In the embodiment of the invention, the macadam cushion layer is of a structure with a thin middle and thick two ends; excavation sideline slope of rubble bed course is 1:1.
in the embodiment of the invention, the broken stone vibroflotation piles are arranged in parallel along the setting direction of the bank wall, the diameter of each broken stone vibroflotation pile is 1000mm, the distance between adjacent broken stone vibroflotation piles is 500mm, and the depth of each broken stone vibroflotation pile penetrating into the foundation is not less than 500mm.
In the embodiment of the invention, a first drain pipe is arranged in the bottom plate, and the bottom end of the first drain pipe extends into the concrete cushion layer; the bank wall is internally provided with second drain pipes at intervals, the second drain pipes are obliquely arranged with the bank wall, the gradient of the second drain pipes is 5%, and the gradient of the bank wall is 1:0.6.
In the embodiment of the invention, a rubber water stop is arranged at the junction of the bank wall and the tide gate section, the rubber water stop is arranged at the junction of the bank wall and the sea section, and the top mark height of each rubber water stop is not lower than the extremely high tide level.
In the embodiment of the invention, one end of the broken stone cushion layer, which is far away from the tide blocking gate section, of the broken stone vibroflotation pile extends to the sea section;
the marine diffuse section has relative both ends, one end with the stilling pool section is connected, and the other end is followed stilling pool section extends, marine diffuse section's both ends are provided with the reinforcing part respectively, the height of reinforcing part is greater than marine diffuse section middle section's height, extends to marine diffuse section's rubble bed course reaches have seted up the holding respectively on marine diffuse section terminal ground the recess of reinforcing part.
In the embodiment of the invention, the two ends of the sea-free section are gabion net cages, the gabion net cages are filled with stones, and the volume weight of the stones is not less than 25KN/m 3 The saturated compressive strength is greater than 30MPa, the maximum grain diameter is not greater than 30cm and not less than 20cm, the filling porosity of the gabion mesh box is less than 24%, the gabion mesh pad is arranged in the middle of the sea-free section, and the non-woven fabric is paved at the bottom of the sea-free section.
The invention adopts the technical proposal, which has the following beneficial effects:
(1) The drainage structure has good regulation effect, can effectively alleviate the urban waterlogging problem caused by water level rising under natural conditions such as flood tide, rough sea, heavy rain and the like, has a certain natural purification effect, achieves the effects of rainwater infiltration, stagnation, storage, purification, use and drainage, effectively utilizes rainwater resources while solving the rainwater disasters, and plays a role of a sponge city.
(2) According to the invention, through the installation of the tide gate, the gate is closed to prevent the seawater from flowing backward in the tide rising period or in the high wave; the lower parts of the damping brake and the damping pool are subjected to foundation treatment through broken stone vibroflotation piles, so that the damping brake and the bottom plate of the damping pool located at the beach are prevented from sinking due to insufficient foundation bearing capacity to cause structural damage.
(3) The bank wall and the bottom plate connected with the exhaust port play a role in preventing water and soil loss at the lower part and two sides of the gate caused by scouring of sea waves; the arrangement of the drain pipes in the bank wall and the bottom plate can enable part of sewage to permeate into the lower crushed stone layer for filtering and purifying; the tail end of the stilling pool is provided with a sea-diffusing section, which plays a role in scour prevention and energy dissipation during the flood tide or rough sea; the lower part of the extreme end of the sea-diffusing section adopts a processing mode of riprap slope protection, so that on one hand, the bearing capacity of the foundation is enhanced, and on the other hand, the energy dissipation effect is achieved.
Drawings
FIG. 1 is a schematic longitudinal section of the present invention in a modified discharge structure.
Fig. 2 is a partially enlarged schematic view at S1 in fig. 1.
Fig. 3 is a schematic cross-sectional view of the present drainage modification.
Fig. 4 is a schematic cross-sectional view of the relief pool Duan Anqiang of the present invention.
Fig. 5 is a schematic cross-sectional view of the marine diffuse section quay wall of the present invention.
FIG. 6 is a schematic cross-sectional view of a revetment section wall of the present invention.
The correspondence of the reference numerals with the components is as follows:
a tide gate section 1; a stilling pool section 2; a bank wall 21; a first drain pipe 210; a bottom plate 22; a second drain pipe 220; a nonwoven fabric bag 23; a sea-diffusing section 3; a reinforcing portion 31; gabion mesh pad 32; a nonwoven fabric 33; a concrete cushion layer 4; a gravel cushion layer 5; a broken stone vibroflotation pile 6; a first rubber water stop 71; a second rubber water stop 72; a third rubber water stop 73; and a riprap slope protection section 8.
Detailed Description
In order to facilitate the understanding of the present invention, the following description is provided with reference to the drawings and examples.
Referring to fig. 1 to 3, the present invention provides a drainage modification structure for a drainage culvert, wherein the drainage is located at a coast and is disposed towards seawater, the drainage modification structure comprises a tide blocking gate section 1, a stilling pool section 2 and a sea diffusion section 3 sequentially disposed from the drainage towards the direction of the seawater, the tide blocking gate section 1, the stilling pool section 2 and the sea diffusion section 3 are disposed on the coast between the drainage and the seawater, wherein:
the tide blocking gate section 1 is used for controlling the opening and closing of the drainage port so as to realize the control of the drainage of water in the culvert; the damping pool section 2 comprises bank walls 21 arranged on two sides of the damping lock section 1 and corresponding to two sides of the exhaust port, and a bottom plate 22 connected between the bank walls 21, wherein the bank walls 21 and the bottom plate 22 are surrounded to form a damping pool, one end of the bank walls 21 close to the exhaust port forms an inlet end, the other end of the bank walls 21 far away from the exhaust port forms an outlet end, and one side of the bank walls 21 away from the damping pool has a gradient; the marine diffuse section 3 is arranged at the outlet end of the stilling pool.
The tide blocking gate section comprises a gate and a gate control system, and the gate control system controls the gate to lift so as to control water to enter and exit; specifically, the two gates are arranged side by side, cast iron gates PZ2x2.5 are selected, the front width of the cast iron gates is 7000mm, the height of the cast iron gates is 2500mm, and the thickness of the cast iron gates is 400mm; the bottom of the cast iron gate penetrates into the bottom plate to a depth of 200mm; the standard value of the bearing capacity of the cast iron gate foundation is not less than 150kPa; the slope of the external excavation side line of the cast iron gate is 1:1.
the outer side of the gate is provided with a gate fixing frame, and the height of the cast iron gate fixing frame is 3900mm; preferably, a first rubber water stop 71 is required to be arranged at the junction of the gate fixing frame and the bank wall 21, and the top elevation of the first rubber water stop 71 is not lower than the extremely high tide level, so that excessive sewage and seawater are prevented from corroding concrete at the joint of the gate fixing frame and the bank wall 71.
The gate control system comprises a gate chamber, a gate hoist and a hoist protection cover, wherein the gate hoist and the hoist protection cover are positioned in the gate chamber, and the height of the gate chamber is 3250mm; the height of the hoist and the hoist protective cover is 1500mm; and the gate fixing frame and the gate chamber are poured by C40 concrete.
In order to improve the foundation bearing capacity in the tide blocking gate segment 1 and at the bottom of the bottom plate 22 of the absorption basin, the structure damage caused by the sinking of the foundation bearing capacity of the tide blocking gate segment 1 and the bottom plate 22 is avoided, and the bottom of the tide blocking gate segment 1 and the absorption basin are sequentially provided with a concrete cushion layer 4, a broken stone cushion layer 5 and a broken stone vibroflotation pile 6 from top to bottom; wherein:
the concrete cushion layer 4 is connected with the bottom plate 22, the concrete cushion layer 4 is a plain concrete cushion layer, and the thickness of the plain concrete cushion layer is 100mm.
The broken stone cushion layer 5 comprises a first section 51 positioned at the bottom of the tide block gate section 1 and a second section 52 positioned at the bottom of the stilling pool section 2, and the first section 51 is of a structure with thick middle and thin two ends; the two ends of the first section 51 are respectively positioned at the two ends of the moisture blocking gate section 1, the thickness is 500mm, and the thickness of the middle part of the first section is 1000mm; in the embodiment of the present invention, the slope of the excavation edge of the gravel pad 5 is 1:1.
the broken stone vibroflotation piles 6 are arranged in parallel along the setting direction of the bank wall 21, the diameter of each broken stone vibroflotation pile 6 is 1000mm, the distance between every two adjacent broken stone vibroflotation piles 6 is 500mm, and the depth of each broken stone vibroflotation pile 6 extending into a foundation is not less than 500mm, specifically, the broken stone vibroflotation piles 6 need to go deep into a coarse sand layer by 500mm.
As shown in fig. 4 to 6, in the embodiment of the present invention, the bank wall 21 is a plain concrete bank wall, the bank wall 21 is cast by C35 concrete, and the slope of the bank wall 21 is 1:0.6, to improve the anti-scouring ability of the bank wall 21, the top edge of the bank wall 21 is inclined downwards, so that the energy dissipation effect on water energy can be improved, the scouring ability of water is weakened, and the back side of the bank wall 21 is backfilled with sandy soil, so that the permeability can be enhanced; preferably, first drain pipes 210 are arranged in the bank wall 21 at intervals to allow water in the stilling pool to pass through the bank wall 21 through the first drain pipes 210, preferably, a non-woven fabric bag 23 is arranged on the bank wall 21 at a position corresponding to the end part of the drain pipes 21 as a reverse filtering layer to prevent large particulate matters from entering the drain pipes 210 to cause the drain pipes 210 to be blocked, the first drain pipes 210 are obliquely arranged relative to the bank wall 21, preferably, the gradient of the first drain pipes 210 is 5%, the first drain pipes 210 are PVC-U drain pipes, and the diameter of the PVC-U drain pipes is 100mm; the first drain pipes 210 arranged in the bank wall 21 are arranged in a quincuncial manner, wherein the transverse interval is 2000mm and the longitudinal interval is 1500 mm.
In the embodiment of the invention, the bottom plate 22 is a reinforced concrete bottom plate, the bottom plate 22 is cast by adopting C35 concrete, the bottom plate 22 comprises a first section positioned at the damping basin section 1 and a second section positioned at the damping basin section 2, one end of the first section is connected with the exhaust port, the other end of the first section is connected with the second section, and the thickness of both ends of the first section is greater than the thickness of the middle part of the first section. One end of the second section is connected with the first section, the other end of the second section is connected with the sea-diffusing section, the thickness of the two ends of the second section is larger than that of the middle part of the second section, specifically, the thickness of the middle part of the second section is 600mm, and the thicknesses of the upper part and the lower part of the two ends of the second section are both larger than that of the middle part by 400mm. Preferably, the second drain pipes 220 are arranged in the bottom plate 22, the distance between adjacent second drain pipes 220 is 2000mm, and the bottom ends of the second drain pipes 220 are arranged in a quincuncial shape and extend into the bottom of the concrete cushion layer 4.
Further, in order to improve the foundation bearing capacity of the sea section 3, the end, away from the tide gate section 1, of the stone breaker layer 4 and the stone breaker pile 5 extends to the sea section 3. The juncture of the sea-cover section 3 and the stilling pool section 2 is provided with a second rubber water stop 72, and the top mark height of the second rubber water stop 72 is not lower than the extremely high tide level.
The marine diffuse section 3 has opposite both ends, one end with the stilling pool section is connected, and the other end is followed the stilling pool extends, the both ends of marine diffuse section 3 are provided with reinforcing part 31 respectively, the height of reinforcing part 31 is greater than the height of marine diffuse section 3 middle section, through set up reinforcing part 31 in marine diffuse section 3 both ends can prevent that water is too big right the scouring force of marine diffuse section 3 is too strong leads to marine diffuse section 3 structure to be destroyed. Specifically, grooves for accommodating the reinforcement parts 31 are respectively formed in the gravel cushion layer 4 extending to the diffuse sea section 3 and the foundation at the tail end of the diffuse sea section 3.
In the embodiment of the present invention, the reinforcement portion 31 is a gabion mesh cage, and the slope of the excavation edge of the reinforcement portion is 1:1, filling materials in the gabion mesh box adopt pebbles or rubble; GPT 835 is adopted as the model of the gabion mesh box, the mesh size is 80 x 115mm, the mesh diameter is 2.5mm, the diameter of the edge wire is 3.5mm after coating, the diameter of the edge wire is 3.4mm, the diameter of the edge wire is 4.4mm after coating, and the gabion mesh box adopts a steel wire plated with 10% aluminum zinc alloy; the volume weight of filler stones in the gabion mesh box is not less than 25KN/m 3 The saturated compressive strength is more than 30MPa, the maximum grain diameter is not more than 30cm and not less than 20cm, and the filling porosity of the gabion mesh box is less than 24%.
The middle part of the sea-going section 3 is provided with a gabion mesh pad 32, the thickness of the gabion mesh pad 32 is 500mm, and the lower part of the gabion mesh pad is pavedIs provided with a non-woven fabric 33, wherein the specification of the non-woven fabric 33 is 400g/m 2 The gradient of the gabion mesh pad 32 is 0.04, the size of the gabion mesh pad is 3000mm by 1000mm or 1500mm by 500mm by 1000mm, and the width and height dimensions are changed according to the actual construction requirements on site; the size of the polyester film gabion mesh pad is 2000-600 mm 2000mm 150-400 mm, and the specific size is determined according to the actual construction requirement on site.
In the preferred embodiment of the invention, the lower part of the tail end of the sea-diffusing section 3 is further paved with stones to form a riprap slope protection section 8, the maximum thickness of the riprap slope protection section 8 is 2500mm, the minimum thickness of the riprap slope protection section 8 is 500mm, and the slopes of the two sides are 1:2, the width at the maximum thickness is 1000mm; preferably, a third rubber water stop 73 is required to be arranged at the junction of the bank wall 21 between the sea-diffusing section 3 and the riprap slope protection section 8.
In the embodiment of the invention, the bank wall 21 extends from the absorption basin to the riprap slope protection section 8, and the slope of the top end of the bank wall is 1:0.6.
In any of the above schemes, it is preferable that the frost resistance level of the concrete to be poured is F300.
The present invention has been described in detail with reference to the drawings and embodiments, and one skilled in the art can make various modifications to the invention based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the invention, which is defined by the appended claims.
Claims (6)
1. The utility model provides a drainage is hidden, the drainage is located coast department and towards the sea water setting, its characterized in that, the drainage is reformed transform the structure and is included certainly keep off tide gate section, absorption basin section and the sea diffuse section that the orientation at drainage to sea water place is arranged in proper order, keep off tide gate section absorption basin section and the sea diffuse section is located on the coast between the sea water, wherein:
the moisture blocking gate section is used for controlling the opening and closing of the drainage port so as to control the drainage of water in the culvert;
the damping pool section comprises a bank wall and a bottom plate, wherein the bank wall is arranged on two sides of the tide blocking gate section and corresponds to two sides of the exhaust port, the bottom plate is connected between the bank walls, the damping pool is formed by surrounding the bank wall and the bottom plate, an inlet end is formed at one end, close to the exhaust port, of the bank wall, an outlet end is formed at the other end, far away from the exhaust port, of the bank wall, and one side, away from the damping pool, of the bank wall is provided with a gradient;
the sea-land section is arranged at the outlet end of the stilling pool;
one end of the bottom plate extends to the bottom of the tide blocking gate section, and the bottom of the gate of the tide blocking gate section extends into the bottom plate;
the bottom plate comprises a first section positioned at the bottom of the tide gate section and a second section positioned at the bottom of the stilling pool section;
one end of the first section is connected with the exhaust port, the other end of the first section is connected with the second section, and the thickness of the two ends of the first section is larger than that of the middle part of the first section; one end of the second section is connected with the first section, the other end of the second section is connected with the sea-diffusing section, and the thickness of the two ends of the second section is larger than that of the middle part of the second section;
the bottom of the damping pool is sequentially provided with a concrete cushion layer, a broken stone cushion layer and a broken stone vibroflotation pile from top to bottom;
a first drain pipe is arranged in the bottom plate, and the bottom end of the first drain pipe extends into the concrete cushion layer; the bank wall is internally provided with second drain pipes at intervals, the second drain pipes are obliquely arranged with the bank wall, the gradient of the second drain pipes is 5%, and the gradient of the bank wall is 1:0.6.
2. The drainage culvert drainage port reconstruction structure according to claim 1, wherein the crushed stone cushion layer is of a structure with a thin middle and thick two ends; excavation sideline slope of rubble bed course is 1:1.
3. the drainage culvert drainage modification structure according to claim 1, wherein the broken stone vibroflotation piles are arranged in parallel along the setting direction of the bank wall, the diameter of each broken stone vibroflotation pile is 1000mm, the distance between adjacent broken stone vibroflotation piles is 500mm, and the depth of the broken stone vibroflotation piles penetrating into the foundation is not less than 500mm.
4. The drainage culvert drainage port reconstruction structure according to claim 1, wherein a rubber water stop is arranged at the junction of the bank wall and the tide gate section, a rubber water stop is arranged at the junction of the bank wall and the sea section, and the top mark height of each rubber water stop is not lower than an extremely high tide level.
5. The drainage culvert drainage port reconstruction structure according to claim 1, wherein one end of the crushed stone cushion layer and the crushed stone vibroflotation pile, which is far away from the tide block gate section, extends to the sea-diffusing section;
the marine diffuse section has relative both ends, one end with the stilling pool section is connected, and the other end is followed stilling pool section extends, marine diffuse section's both ends are provided with the reinforcing part respectively, the height of reinforcing part is greater than marine diffuse section middle section's height, extends to marine diffuse section's rubble bed course reaches have seted up the holding respectively on marine diffuse section terminal ground the recess of reinforcing part.
6. The drainage culvert drainage port reconstruction structure of claim 5, wherein two ends of the sea-cover section are gabion net cages, stone is filled in the gabion net cages, and the volume weight of the stone is not less than 25KN/m 3 The saturated compressive strength is greater than 30MPa, the maximum grain diameter is not greater than 30cm and not less than 20cm, the filling porosity of the gabion mesh box is less than 24%, the gabion mesh pad is arranged in the middle of the sea-free section, and the non-woven fabric is paved at the bottom of the sea-free section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519347.1A CN109505343B (en) | 2018-12-12 | 2018-12-12 | Drainage mouth reconstruction structure of drainage culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519347.1A CN109505343B (en) | 2018-12-12 | 2018-12-12 | Drainage mouth reconstruction structure of drainage culvert |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109505343A CN109505343A (en) | 2019-03-22 |
| CN109505343B true CN109505343B (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811519347.1A Active CN109505343B (en) | 2018-12-12 | 2018-12-12 | Drainage mouth reconstruction structure of drainage culvert |
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| CN202064323U (en) * | 2011-03-01 | 2011-12-07 | 浙江广川工程咨询有限公司 | Multifunctional coastal tidal gate |
| CN202543870U (en) * | 2012-02-21 | 2012-11-21 | 中国水电顾问集团华东勘测设计研究院 | Novel energy dissipation structure of water gate for narrow river valleys and sediment-laden rivers |
| CN104863098A (en) * | 2015-05-14 | 2015-08-26 | 广东省水利水电科学研究院 | Danger-elimination refitting method for stilling pool downstream energy dissipater |
| CN206157683U (en) * | 2016-10-27 | 2017-05-10 | 中国电建集团华东勘测设计研究院有限公司 | High water head, many silt, overburden basis sluice dissipation structure |
| CN206693140U (en) * | 2017-04-23 | 2017-12-01 | 关林 | A kind of protection slope |
| CN207160043U (en) * | 2017-04-26 | 2018-03-30 | 中国电建集团西北勘测设计研究院有限公司 | A kind of flood discharge gate dam |
| CN209653083U (en) * | 2018-12-12 | 2019-11-19 | 中国建筑第八工程局有限公司 | Drain the row mouthful reconstruction structure secretly contained |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202064323U (en) * | 2011-03-01 | 2011-12-07 | 浙江广川工程咨询有限公司 | Multifunctional coastal tidal gate |
| CN202543870U (en) * | 2012-02-21 | 2012-11-21 | 中国水电顾问集团华东勘测设计研究院 | Novel energy dissipation structure of water gate for narrow river valleys and sediment-laden rivers |
| CN104863098A (en) * | 2015-05-14 | 2015-08-26 | 广东省水利水电科学研究院 | Danger-elimination refitting method for stilling pool downstream energy dissipater |
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| CN206693140U (en) * | 2017-04-23 | 2017-12-01 | 关林 | A kind of protection slope |
| CN207160043U (en) * | 2017-04-26 | 2018-03-30 | 中国电建集团西北勘测设计研究院有限公司 | A kind of flood discharge gate dam |
| CN209653083U (en) * | 2018-12-12 | 2019-11-19 | 中国建筑第八工程局有限公司 | Drain the row mouthful reconstruction structure secretly contained |
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