CN218116510U - Water stopping structure for shoal reclamation area - Google Patents

Abstract

The application relates to a shoal reclamation district stagnant water structure uses in the technical field of shoal reclamation, and it includes along the shoal reclamation district periphery that is used for reclaiming and encloses water-blocking layer, back up coat and the partition layer of establishing to the center in proper order, the water-blocking layer is formed by connecting gradually a plurality of sheet piles, the back up coat is piled up by a plurality of clay bags and is formed, partition layer is formed by a plurality of steel sheet cross-connects. The application has the functions of stopping seawater from flowing to the tidal marsh reclamation area and protecting animals and plants in the tidal marsh reclamation area.

Description

Water stopping structure for shoal reclamation area

Technical Field

The application relates to the technical field of shoal reclamation, especially, relate to a shoal reclamation district stagnant water structure.

Background

Shoal refers to the shallow beach formed by silt deposition at the river inflow sea or near the coast. At low tide, the higher part of the sea surface can be exposed. China has a large amount of shoal resources and has wide breadth of members, so that the building of reclamation areas on shoals is extremely beneficial to the development of productivity. In reclamation on a tidal marsh, since plants planted in the tidal reclamation area need to be irrigated with fresh water and animals housed in the tidal reclamation area need to drink fresh water, a water stopping structure needs to be constructed to isolate seawater from the tidal reclamation area to reduce the damage to the tidal reclamation area caused by inflow of seawater.

In the related art, in the coastal reclamation area, a cofferdam is constructed by directly using sheet piles along the periphery of the coastal reclamation area to achieve the purpose of water stop.

However, the sheet piles have limited structural strength, and are easily deformed under the action of long-term seawater scouring and soil pressure, and seawater is easily poured into the coastal reclamation area through gaps generated between adjacent sheet piles, so that the coastal reclamation area is damaged.

SUMMERY OF THE UTILITY MODEL

In order to improve only to come stagnant water through building sheet pile cofferdam, sheet pile structural strength is limited, and easy existence sheet pile takes place to warp, leads to the problem that sea water destroyed shoal reclamation district, and this application provides a shoal reclamation district stagnant water structure.

The application provides a coastal reclamation district stagnant water structure adopts following technical scheme:

the utility model provides a coastal reclamation district stagnant water structure, includes along the coastal reclamation district periphery that is used for cultivating and encloses water-blocking layer, reinforcing layer and the partition layer of establishing to the center in proper order, the water-blocking layer is formed by connecting gradually a plurality of sheet piles, the reinforcing layer is piled by a plurality of clay bags and is formed, the partition layer is formed by a plurality of steel sheet staggered connection.

Through adopting above-mentioned technical scheme, inwards set gradually water blocking layer, reinforcing layer and partition layer by the periphery in tidal marsh reclamation district, intercepted the sea water that flows to tidal marsh reclamation district. The reinforcing layer is tightly propped against the water-resistant layer, so that the water-resistant layer is supported, and the water-resistant layer is not easy to incline and fall down under the long-term scouring of seawater. The partition layer is used for separating reinforcing layer and tidal marsh reclamation district to play limiting displacement to the reinforcing layer, make things convenient for the operator to confirm the reinforcing layer region. Adopt the stagnant water structure that above-mentioned structure constitutes to compare in simple sheet pile cofferdam, it is big to have intensity, the effectual advantage of stagnant water.

Optionally, the sheet pile includes sheet pile body and with sheet pile body integrated into one piece's interface and joint, two adjacent sheet piles, wherein one on the sheet pile the interface with another on the sheet pile be equipped with the stagnant water subassembly between the joint, the stagnant water subassembly is used for right the interface with carry out the shutoff between the joint.

By adopting the technical scheme, the connector of one of the two adjacent sheet piles and the connector of the other sheet pile can be mutually clamped, so that the adjacent sheet piles can be interlocked and connected to form a water-blocking layer, and seawater is blocked outside the water-blocking layer. Set up the stagnant water subassembly between the interface of one of them sheet pile and the joint of another sheet pile, the stagnant water subassembly carries out the shutoff between interface and the joint to block the sea water and circulate through the clearance between interface and the joint, and then promote this stagnant water structure to the effect of blocking of sea water.

Optionally, the water stopping assembly comprises a water stopping strip arranged in the joint and a plurality of water stopping edges distributed on the outer edge of the joint at intervals, and the water stopping edges and the water stopping strip are tightly abutted to each other.

By adopting the technical scheme, when seawater flows through the gap between the connector and the joint, the water stopping edge is tightly propped against the water stopping strip, so that a certain water stopping effect is achieved, and the water stopping effect is the first heavy plugging; in addition, the water stop strip expands when meeting water and is tightly propped against the outer edge of the joint, and the water stop strip is a second reclosure. The dual plugging is matched for use, and the purpose of water stopping is achieved. In addition, the water stopping edge is arranged, so that the contact area between the connector and the interface is reduced, and the interface and the connector are more convenient to install.

Optionally, a plurality of binding nets are arranged at intervals in the reinforcing layer, one end of each binding net is connected with the waterproof layer, the other end of each binding net is connected with the partition layer, and the binding nets and the clay bags are mutually abutted.

Through adopting above-mentioned technical scheme, the constraint net tightly retrains on the clay bag, bundles the clay bag together, has strengthened the compactness of connecting between the clay bag, and then has promoted the structure compactness of back up coat.

Optionally, a plurality of fixing rods are inserted into the reinforcing layer.

Through adopting above-mentioned technical scheme, the dead lever cuttage is in consolidating the bed, with the clay bag one-to-one fixation in the fixed bed for clay bag position is difficult for taking place horizontal migration.

Optionally, a rubble layer has been laid in the coastal reclamation district for reclamation, the water blocking layer with the bottom on partition layer all imbeds in the rubble layer, support layer and natural soil layer have been laid in proper order to rubble layer top, rubble layer with it is equipped with waterproof geotechnological cloth to fill up between the support layer.

Through adopting above-mentioned technical scheme, lay the throw stone layer at tidal marsh reclamation district bottom to build tidal marsh reclamation district with the throw stone layer as the ground, reduced the condition that takes place to collapse in the tidal marsh reclamation district. Use the riprap layer as the basis, build rubble layer, support layer and natural soil layer in proper order on the riprap layer, natural soil layer is used for planting and the place of poultry, and support layer is used for storing and provides the nourishment and give natural soil layer, and the rubble layer is used for filling the unsmooth department that the riprap layer surface formed, provides a relatively level and smooth foundation surface for subsequent level construction, the follow-up construction of being convenient for. The waterproof geotextile is arranged to play a role in reducing soil loss.

Optionally, a liquid collecting pipe is embedded in the nutrient supplying layer, a liquid conveying pipe is communicated with the liquid collecting pipe, the liquid conveying pipe is communicated with a water supply pipe network, an irrigation pipe is communicated with the liquid conveying pipe, a liquid pump is installed on the irrigation pipe, and the irrigation pipe is embedded in the natural soil layer.

Through adopting above-mentioned technical scheme, the irrigation water that permeates to in the support layer in the nature soil horizon is collected by the collector tube, and because irrigation water has flowed through the support layer, so nutrient composition in the support layer can partially dissolve irrigation water, is taken out by the drawing liquid pump again and transports to the irrigation pipe through the transfer line in, for natural soil horizon supplementary nutrition.

Optionally, one side of the partition layer, which is away from the reinforcement layer, is provided with a plurality of support frames, one end of each support frame is fixed and tightly abutted to the overlapping position of two adjacent steel plates, the other end of each support frame is embedded in the natural soil layer, and a pull rope is connected between each support frame and each steel plate.

Through adopting above-mentioned technical scheme, set up the supporting rack, the supporting rack supports tightly in the overlap department of two adjacent steel sheets, and the supporting rack provides the holding power for the steel sheet, has reduced the condition that the steel sheet takes place to incline under the fixed lamination pressure. The stay cable is arranged, so that the supporting effect of the supporting frame on the steel plate is further improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water blocking layer, the reinforcing layer and the partition layer are arranged inwards from the periphery of the tidal marsh reclamation area in sequence, and the seawater flowing to the tidal marsh reclamation area is intercepted. The reinforcing layer is tightly propped against the water-resistant layer, so that the water-resistant layer is supported, and the water-resistant layer is not easy to incline and fall down under the long-term scouring of seawater. The partition layer is used for separating reinforcing layer and tidal marsh reclamation district to play limiting displacement to the reinforcing layer, make things convenient for the operator to confirm the reinforcing layer region. Compared with a simple sheet pile cofferdam, the water stopping structure formed by the structure has the advantages of high strength and good water stopping effect;

2. when seawater flows through the gap between the connector and the joint, the water stopping edge is tightly propped against the water stopping strip, and a certain water stopping effect is achieved, which is the first heavy blockage; in addition, the water stop strip expands when meeting water and is tightly propped against the outer edge of the joint, and the water stop strip is a second reclosure. The dual plugging is matched for use, so that the purpose of water stopping is achieved;

3. the constraint net tightly constrains on the clay bag, binds the clay bag together, and strengthens the compactness of connection between the clay bags, thereby promoting the structural compactness of the reinforcing layer.

Drawings

FIG. 1 is a schematic view of a water stopping structure in a tidal reclamation area in an embodiment of the present application.

FIG. 2 is a sectional view of a water stopping structure in the tidal reclamation area in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a water-resistant layer; 11. sheet piling; 111. a sheet pile body; 112. an interface; 113. a joint; 2. a reinforcement layer; 21. a clay bag; 3. a partition layer; 31. a steel plate; 4. a shoal reclamation area; 5. polishing the stone layer; 6. a water stop assembly; 61. a water stop bar; 62. water stopping edges; 7. a restraining net; 8. fixing the rod; 9. a crushed stone layer; 10. a nutrient supplying layer; 12. a natural soil layer; 13. waterproof geotextile; 14. a liquid collecting pipe; 15. a transfusion tube; 16. a liquid pump; 17. an irrigation pipe; 18. a support frame; 19. a cable; 20. a connecting member.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses coastal reclamation district stagnant water structure.

Referring to fig. 1 and 2, a tidal waters structure of tidal waters reclamation area comprises a riprap layer 5 padded at the bottom of tidal waters reclamation area 4. In the embodiment of the present application, the riprap layer 5 is formed by stacking a plurality of large stones, and the gaps between the stones are filled with concrete. Treat the concrete setting back, the stone all is pre-buried in the concrete, has promoted 5 structural stability on throwing stone layer, also makes the difficult condition that takes place to subside and collapse in shoal reclamation district 4.

Referring to fig. 2, in the coastal reclamation area 4, a rubble layer 9, a nutrient layer 10 and a natural soil layer 12 are sequentially arranged above the rubble layer 5, and a plurality of layers of waterproof geotextiles 13 are laid between the rubble layer 9 and the nutrient layer 10.

Specifically, the crushed stone layer 9 is formed by finely crushed stone mixed slurry and is used for filling the concave-convex parts on the surface of the riprap layer 5 and providing a relatively flat foundation for the upper layer structure. The nutrient layer 10 is formed by mixing a plurality of biological organic fertilizers with loose natural soil, and when the nutrient layer is paved below the natural soil layer 12 and permeates nutrition to the natural soil layer 12, the condition that plants directly planted on the nutrient layer 10 absorb too much nutrition once to burn seedlings is also reduced.

Waterproof geotextile 13 is arranged between the nutrient supplying layer 10 and the rubble layer 9 in a cushioning mode, and is used for preventing moisture containing nutrient substances in the natural soil layer 12 and the nutrient supplying layer 10 from permeating into the rubble layer 9 and the rubble layer 5, so that waste is caused on one hand, and the rubble layer 9 and the rubble layer 5 are easily damaged on the other hand, and the structural stability of the rubble layer 9 and the rubble layer 5 is influenced.

Referring to fig. 2, an irrigation pipe 17 is buried in the natural soil layer 12, and the irrigation pipe 17 is laid in the natural soil layer 12 to deliver irrigation water into the natural soil layer 12. One end of the irrigation pipe 17 extends downwards to be communicated with a liquid conveying pipe 15, the liquid conveying pipe 15 is communicated with a liquid collecting pipe 14, the liquid collecting pipe 14 is arranged at the bottom of the nutrient supplying layer 10, and a plurality of micropores with the pore diameter smaller than the diameter of soil blocks in the nutrient supplying layer 10 are densely distributed on the surface of the liquid collecting pipe 14 and used for absorbing water containing nutrient components and stored at the bottom of the nutrient supplying layer 10.

In addition, a liquid pump 16 is also installed on the irrigation pipe 17, and the liquid pump 16 is communicated with a water supply network for supplying irrigation water to the tidal reclamation area 4.

In the embodiment of the application, the irrigation pipe 17, the infusion pipe 15 and the liquid collecting pipe 14 are all steel pipes with galvanized surfaces, and are not easy to rust when buried in soil for a long time. The liquid pump 16 is a commercially available water pump.

Referring to fig. 2, when the reclamation work is performed in the coastal reclamation area 4, the operator turns on the liquid pump 16, and the liquid pump 16 pumps out the water containing nutrients stored in the nutrient layer 10 and supplies the water to the natural soil layer 12 in cooperation with the irrigation water supplied from the water supply pipe network, thereby irrigating the plants in the natural soil layer 12. The irrigation water is recycled, and simultaneously, the nutrition is supplemented for the plants planted on the natural soil layer 12.

Referring to fig. 1, a water blocking layer 1 is provided around the coastal reclamation area 4, the water blocking layer 1 is a square retaining wall formed by interlocking a plurality of sheet piles 11, and four corners of the water blocking layer 1 are respectively provided with a connecting member 20 for connecting the sheet piles 11 positioned at the four corners of the water blocking layer 1.

Referring to fig. 1 and 3, in particular, the sheet pile 11 includes a sheet pile body 111, and an interface 112 and a joint 113 integrally formed on the sheet pile body 111. The connectors 112 of two adjacent sheet piles 11 can be engaged with the connectors 113 of the other sheet pile 11 to form a retaining wall around the circumference of the tidal reclamation area 4 for intercepting the seawater flowing to the tidal reclamation area 4.

The connecting member 20 is cylindrical, and a clamping interface matched with the joint 113 of the sheet pile 11 and a clamping joint matched with the joint 112 of the sheet pile 11 are integrally formed on the connecting member 20. The connecting piece 20 and the bottom of the sheet pile 11 are pre-embedded in the riprap layer 5. Concrete is poured into the gaps between the connecting pieces 20 and the sheet piles 11.

Referring to fig. 1 and 2, in the embodiment of the present application, the sheet pile 11 is a high molecular polymer sheet pile with high strength, and is made of a firm and durable material, and is not prone to corrosion, cracking and termite damage, and the sheet pile 11 has a shape based on a mechanical principle, and adopts an omega-shaped cross section design with a large moment of inertia, and has high lateral bending resistance. The connecting member 20 is also made of a high molecular polymer material.

Referring to fig. 1 and 3, in order to further improve the water stopping effect of the water blocking layer 1, a water stopping assembly 6 is arranged between two adjacent sheet piles 11. Specifically, the water stop assembly 6 includes a water stop rib 62 integrally formed on the joint 113 and a water stop strip 61 bonded to the joint 112. In the embodiment of the present application, the water-stopping ribs 62 are three, three water-stopping ribs 62 are uniformly distributed along the periphery of the joint 113, and the water-stopping ribs 62 and the water-stopping strip 61 are mutually abutted.

The sealing rod 61 is made of a commercially available water-swelling sealing rod, and the sealing rod 61 swells when seawater is desired to flow to the shoal reclamation area 4 through a gap between the interface 112 and the joint 113. Because the water stop rib 62 is always tightly pressed against the water stop strip 61, the water stop strip 61 is extruded by the water stop rib 62 to form a wave-shaped structure on the cross section, and a gap between the interface 112 and the joint 113 is blocked.

Referring to fig. 1 and 2, a reinforcing layer 2 and a partition layer 3 are sequentially arranged in an area enclosed by a water-blocking layer 1, wherein the reinforcing layer 2 is used for providing a supporting force for the water-blocking layer 1, so that the water-blocking layer 1 can bear seawater scouring for a longer time and is not easy to incline and fall. Partition layer 3 is used for separating reinforced layer 2 and shoal reclamation district 4, has also injectd reinforced layer 2's construction position, makes things convenient for the operator to confirm reinforced layer 2 position.

Referring to fig. 1 and 2, specifically, the partition layer 3 is formed by stacking a plurality of steel plates 31 in a staggered manner, the overlapping portions of the adjacent steel plates 31 are welded, the bottoms of the steel plates 31 are embedded in the polishing stone layer 5, and the surfaces of the steel plates 31 in the embodiment of the present application are galvanized and have high corrosion resistance.

In addition, in order to reduce the occurrence of bending of the steel plate 31 under the pressure of the reinforcing layer 2 after a long time use. And a supporting frame 18 is arranged between the adjacent steel plates 31 on the partition layer 3, the upper end of the supporting frame 18 is welded at the overlapping part of the two adjacent steel plates 31, the other end of the supporting frame 18 is embedded in the natural soil layer 12, and a pull rope 19 is connected between the supporting frame 18 and the steel plates 31 to improve the supporting effect of the supporting frame 18.

Referring to fig. 2, the back up coat 2 is closely piled up by a plurality of layers of clay bag 21 and forms, be equipped with the constraint net 7 between the adjacent two-layer clay bag 21, the one end welding of constraint net 7 is on partition layer 3, the other end of constraint net 7 is fixed on water blocking layer 1, in the embodiment of the application, constraint net 7 is the stainless steel net, constraint net 7 tightly wraps up on clay bag 21 surface, separate back up coat 2 for the multilayer, pile up layer upon layer and tie layer upon layer, the condition that the long-time back of using of clay bag 21 takes place to sink or shift so that the reinforcing effect is influenced has been reduced. In addition, for fixing clay bag 21's transverse position, the cuttage has a plurality of dead levers 8 in back up coat 2, and dead lever 8 sets up along vertical direction, and dead lever 8 is arranged in back up coat 2 along back up coat 2's circumference equipartition for clay bag 21 is difficult for taking place lateral displacement.

The implementation principle of sea area reclamation district stagnant water structure of this application embodiment is: and a flint layer 5 is laid at the bottom of the tidal marsh reclamation area 4, and the tidal marsh reclamation area 4 is built by taking the flint layer 5 as a foundation, so that the collapse condition in the tidal marsh reclamation area 4 is reduced. In addition, inwards set gradually waterproofing layer 1, strengthening layer 2 and partition layer 3 by the periphery of tidal marsh reclamation district 4, during the bottom of waterproofing layer 1 and partition layer 3 all imbedded the flint layer 5, formed the enclosure to flint layer 5 region, intercepted the sea water that flows into tidal marsh reclamation district 4. The reinforcing layer 2 is tightly propped against the water-resistant layer 1, and plays a role in supporting the water-resistant layer 1, so that the water-resistant layer 1 is not easy to incline and fall down under the long-term scouring of seawater. Partition layer 3 is used for separating reinforcing layer 2 and shoal reclamation district 4 to play limiting displacement to reinforcing layer 2, make things convenient for the operator to confirm reinforcing layer 2 region. Compared with a simple sheet pile cofferdam, the water stopping structure formed by the structure has the advantages of high strength and good water stopping effect.

The above preferred embodiments of the present application do not limit the scope of the present application, and therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a sea area reclamation district stagnant water structure which characterized in that: the tidal marsh reclamation area comprises a water-blocking layer (1), a reinforcing layer (2) and a partition layer (3), wherein the water-blocking layer (1), the reinforcing layer (2) and the partition layer (3) are sequentially arranged along the periphery of a reclamation area (4) for reclamation in a surrounding mode towards the center, the water-blocking layer (1) is formed by sequentially connecting a plurality of sheet piles (11), the reinforcing layer (2) is formed by stacking a plurality of clay bags (21), and the partition layer (3) is formed by connecting a plurality of steel plates (31) in a staggered mode.

2. The tidal reclamation area waterstop structure of claim 1, wherein: sheet pile (11) including sheet pile body (111) and with sheet pile body (111) integrated into one piece's interface (112) and joint (113), adjacent two sheet pile (11), one of them on sheet pile (11) interface (112) and another on sheet pile (11) be equipped with stagnant water subassembly (6) between joint (113), stagnant water subassembly (6) are used for right interface (112) with seal between the joint (113).

3. The coastal reclamation area water stopping structure of claim 2, wherein: the water stopping assembly (6) comprises a water stopping strip (61) arranged in the connector (112) and a plurality of water stopping edges (62) distributed on the outer edge of the connector (113) at intervals, and the water stopping edges (62) and the water stopping strip (61) are mutually abutted.

4. The coastal reclamation area water stopping structure of claim 1, wherein: a plurality of binding nets (7) are arranged in the reinforcing layer (2) at intervals, one ends of the binding nets (7) are connected with the waterproof layer (1), the other ends of the binding nets are connected with the partition layer (3), and the binding nets (7) are tightly abutted to the clay bags (21).

5. The coastal reclamation area water stopping structure of claim 1, wherein: a plurality of fixing rods (8) are inserted in the reinforcing layer (2).

6. The coastal reclamation area water stopping structure of claim 1, wherein: a riprap layer (5) is laid in a coastal reclamation area (4) for reclamation, the water blocking layer (1) and the bottom of the partition layer (3) are embedded into the riprap layer (5), a gravel layer (9), a support layer (10) and a natural soil layer (12) are laid above the riprap layer (5) in sequence, and a waterproof geotextile (13) is laid between the gravel layer (9) and the support layer (10).

7. The tidal reclamation area waterstop structure of claim 6, wherein: supply to bury underground in nutrient layer (10) collector tube (14), the intercommunication has transfer line (15) on collector tube (14), transfer line (15) intercommunication water supply pipe network, the intercommunication has irrigation pipe (17) on transfer line (15), install drawing liquid pump (16) on irrigation pipe (17), irrigation pipe (17) bury underground in natural soil layer (12).

8. The coastal reclamation area water stopping structure of claim 6, wherein: one side of the partition layer (3) departing from the reinforcing layer (2) is provided with a plurality of supporting frames (18), one end of each supporting frame (18) is fixed and tightly abutted to the overlapped part of two adjacent steel plates (31), the other end of each supporting frame is embedded in the natural soil layer (12), and a pull rope (19) is connected between each supporting frame (18) and the corresponding steel plate (31).

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