CN213038294U - River bank protective structure - Google Patents

Abstract

The utility model relates to a river course embankment protective structure, it includes retaining wall, retaining wall sets up between bank and riverbed, and the riverbed is close to riverbed department and sets up the foundation ditch along its length direction, the rubble bed course has been laid in the foundation ditch, the rubble bed course includes silt and fills the stone in the silt, retaining wall set up in on the rubble bed course, the width of rubble bed course is greater than the width of retaining wall, the top of retaining wall is higher than riverbed and bottom and is less than the riverbed, the bottom of foundation ditch is inserted in the soil layer and is equipped with many vertical anchor piles, the upper end of anchor pile is located in the rubble bed course, still be provided with in the rubble bed course and be used for the restriction the locating part that the stone removed in the rubble bed course. This application has the loss that reduces river levee protective structure's basic soil layer, improves river levee protective structure's stability and the effect of security.

Description

River bank protective structure

Technical Field

The application relates to the field of hydraulic engineering, especially, relate to a river course embankment protective structure.

Background

The river levee is a water retaining building built along the edges of rivers, channels, lakes, seashore or flood districts and reclamation areas. The embankment can resist flood, block tide and prevent waves, protects the safety of residents in the embankment and industrial and agricultural production, and is the earliest flood control engineering measure widely adopted in the world.

The Chinese patent with the patent publication number of CN209099304U is retrieved at present, and the hydraulic engineering protection river bank is disclosed and comprises a river bank main body, wherein a mud layer is connected to the bottom of the river bank main body, a slag cushion layer is laid on the top of the mud layer, solid bricks are piled on the top of the slag cushion layer, a concrete layer is laid on the surfaces of the solid bricks, large stones are filled in an inner cavity of a steel reinforcement cage, a water-washed slope is arranged at the bottom of one end of an underground walkway, a water-retaining steel plate is embedded at one end of the water-washed slope, a river bank walkway is laid on the top of the river bank main body, and a solar street.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the effect of rivers makes the top layer of riverbed soften and forms the silt layer in the river course current year, and rivers wash away the soil that makes the river bank bottom and run off easily year-round to make river bank protective structure's support foundation strength reduce, influence river bank protective structure's stability and security.

SUMMERY OF THE UTILITY MODEL

In order to improve river levee protective structure's stability and security, this application provides a river course embankment protective structure.

The application provides a river bank protective structure adopts following technical scheme:

the utility model provides a river course embankment protective structure, includes retaining wall, retaining wall sets up between bank and the riverbed, and the riverbed is close to riverbank department and sets up the foundation ditch along its length direction, the rubble bed course has been laid to the foundation ditch in, the rubble bed course includes silt and fills the stone in the silt, the retaining wall set up in on the rubble bed course, the width of rubble bed course is greater than the width of retaining wall, the top of retaining wall is higher than riverbed and bottom and is less than the riverbed, the bottom of foundation ditch is inserted in the soil layer and is equipped with many vertical anchor piles, the upper end of anchor pile is located in the rubble bed course, still be provided with in the rubble bed course and be used for the restriction the locating part that the stone removed in the rubble bed course.

By adopting the technical scheme, when the river levee protection structure is constructed, the foundation trench is excavated on the riverbed at the junction of the riverbed and the river bank, and a plurality of anchor piles are driven into the soil layer at the bottom of the foundation trench and used for reinforcing the soil layer at the bottom of the foundation trench, so that the flowability of the soil layer at the bottom of the foundation trench is reduced, and the stability of the river levee protection structure is improved; filling stones in the sludge at the bottom of the foundation trench, forming a riprap cushion layer through the stones and the sludge, pouring a retaining wall on the riprap cushion layer, and reinforcing and protecting the river bank through the retaining wall, so that water and soil loss is reduced, and the structural stability of the river bank is improved; in the riprap cushion layer, the stones are used as a framework of the riprap cushion layer, and the sludge is used as a filling material, so that the foundation strength of the bottom of the river retaining wall is improved, and the riprap cushion layer plays a role in preventing water flow from contacting with soil at the bottom of the foundation trench, so that a foundation soil layer of the protective structure is not easy to run off; the flowability of soil at the bottom of the riprap cushion layer is reduced through the arrangement of the anchor piles so as to maintain the stability of the riprap cushion layer structure; and the anchor piles are inserted into the riprap cushion layer to play a certain role in limiting the movement of the stones, and the movement of the stones in the riprap cushion layer is further limited by the arrangement of the limiting parts, so that the riprap cushion layer is more stable in structure, and the structural stability of the river levee protection structure is improved.

Preferably, the locating part is located including the cover go-between on the anchor pile, be provided with many horizontally connecting rods on the go-between, many the connecting rod is followed the circumference evenly distributed of go-between, be provided with many vertical gag lever posts on the connecting rod, the lower extreme of gag lever post inserts in the soil layer of foundation ditch bottom and the upper end is not higher than riprap cushion upper surface.

Through adopting above-mentioned technical scheme, the setting of go-between is used for making things convenient for the installation of locating part, setting through a plurality of connecting rods on the go-between and the setting of many gag lever posts, a plurality of locating parts play limiting displacement to the stone in a plurality of directions in throwing the stone pad, make the stone difficult structural stability who destroys the stone pad layer because of removing in throwing the stone pad layer, and insert the setting in the soil layer through the gag lever post, make the locating part structure remain stable, further improve its restriction effect to the stone, improve the stability of stone pad layer structure.

Preferably, the rubble bed course with still be provided with the concrete bed course between the retaining wall, the width on concrete bed course is less than rubble bed course width just is greater than the width of retaining wall.

Through adopting above-mentioned technical scheme for retaining wall structure construction is more convenient, and the concrete cushion replaces retaining wall and rubble bed course direct contact, makes the retaining wall structure more stable.

Preferably, one side of the retaining wall close to the riverbed is filled with a rubble-squeezing layer in the foundation trench, and the rubble-squeezing layer is filled to be flush with the riverbed.

Through adopting above-mentioned technical scheme, the crowded silt layer of rubble is filled between riverbed and retaining wall for retaining wall is close to riverbed one side and is difficult for losing the support because of soil loss, improves the stability of retaining wall structure.

Preferably, a drain hole is formed in the retaining wall, a drain pipe is arranged in the drain hole, two ends of the drain pipe are communicated with the river channel and the river bank soil layer, the height of one end, close to the river channel, of the drain pipe is lower than that of one end, close to the river bank, of the drain pipe, one end, close to the river bank, of the drain pipe extends into the river bank soil layer, and geotextile is bound at the pipe orifice.

By adopting the technical scheme, due to the arrangement of the drain holes and the drain pipes, water in soil on one side of the river bank can be drained into a river channel through the drain pipes, so that the pressure applied to the retaining wall by one side of the river bank is not too high easily due to accumulated water, the stability of a protective structure of the river bank is improved, and after the water in the soil on one side of the river bank is drained, the water and soil loss of the river bank can be reduced, so that the supporting strength of the retaining wall is ensured; the arrangement of the geotextile is used for preventing the drain pipe from being blocked, and the drain pipe is ensured to have a drainage function.

Preferably, a reverse filter bag is arranged at the position, close to the river bank, of the retaining wall and located at the position of the drainage pipe, the reverse filter bag comprises a clay layer, a gravel layer and a gravel layer, the clay layer is located at the lower side of the drainage pipe, the gravel layer is located on the clay layer and covers the outside of the drainage pipe, and the gravel layer is located on the clay layer and covers the outside of the gravel layer.

Through adopting above-mentioned technical scheme, filter through rubble bed course and gravel layer subtend drain pipe department infiltration's water to avoid the drain pipe to be blockked up as far as possible, and set up through the clay layer prevents as far as possible that the moisture infiltration in the river bank soil from causing the erosion to the retaining wall basis in the retaining wall basis, further improves river levee protective structure's stability.

Preferably, the top of the retaining wall is also provided with a capping beam.

Through adopting above-mentioned technical scheme, the setting of capping beam is used for keeping the wholeness of retaining wall structure, prevents simultaneously that the rainwater from in the retaining wall top infiltration retaining wall and erode the retaining wall, guarantees the structural stability of retaining wall structure.

Preferably, one side that the river bank is close to retaining wall is established to the slope, and one side that the slope is close to the river course is less than its one side of keeping away from the river course, and the slope is close to one side of river course and flushes with the retaining wall top, and the slope upper berth is equipped with the concrete bank protection.

Through adopting above-mentioned technical scheme, the setting up of bank slope makes rainwater etc. can flow smoothly to the river course in and be difficult for producing ponding on the bank, and improves the surface texture intensity of bank through setting up of concrete bank protection to reduce the soil erosion and water loss of bank.

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

1. the riprap cushion layer and the anchor piles are arranged, the soil layer at the bottom of the foundation trench is reinforced through the anchor piles, the flowability of the soil layer at the bottom of the foundation trench is reduced, the soil loss of the foundation at the bottom of the retaining wall is reduced, the riprap cushion layer replaces a river bed to be in contact with the retaining wall, the riprap cushion layer plays a role in blocking water flow from being in contact with the soil at the bottom of the foundation trench, so that the foundation soil layer of the protective structure is not easy to lose, the stability of the retaining wall is improved, the stability and the safety of the river bank protective structure are improved, the anchor piles are inserted into the riprap cushion layer to play a certain role in limiting movement of stones, and the movement of the stones in the riprap cushion layer is further limited through the arrangement of the limiting parts, so that the structure of the riprap;

2. the setting of wash port and drain pipe on the retaining wall makes in the moisture in the soil of bank one side can discharge the river course through the drain pipe for the pressure that bank one side was applyed to the retaining wall is difficult too high because of ponding, improves bank protective structure's stability, and with the moisture discharge back of bank one side soil, can reduce the soil erosion and water loss of bank, in order to guarantee the support intensity to the retaining wall.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of the limiting element in the present embodiment.

Reference numerals: 1. a base groove; 2. anchoring piles; 3. a riprap cushion layer; 4. a concrete cushion; 5. a retaining wall; 51. pressing a top beam; 6. a stone throwing and silt layer extruding layer; 7. concrete slope protection; 8. a limiting member; 81. a connecting ring; 82. a connecting rod; 83. a limiting rod; 9. a drain hole; 10. a drain pipe; 11. performing reverse filtration; 111. a clay layer; 112. a crushed stone layer; 113. a gravel layer.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, the embodiment of the application discloses a river course embankment protective structure, include the foundation trench 1 that excavates on the riverbed and riverbed border is in the riverbed, foundation trench 1 is seted up along the length direction in river course, it is equipped with many anchor piles 2 to inlay in the bottom soil layer of foundation trench 1, anchor pile 2 is the fir stake in this embodiment, the upper end of anchor pile 2 is higher than the bottom of foundation trench 1, the bottom packing of foundation trench 1 has silt, it is filled with the stone in the silt, stone and silt constitute riprap cushion 3, the thickness of riprap cushion 3 is less than the degree of depth of foundation trench 1, and the upper end of anchor pile 2 is located riprap cushion 3. Set up through foundation trench 1 and detach the soft soil layer of riverbed bottom to improve the intensity of river levee protective structure basis, and through the setting of riprap bed course 3, riprap bed course 3 can play the contact of isolated rivers and foundation trench 1 bottom soil layer, make 1 bottom soil layer of foundation trench be difficult for being washed away and run off by rivers, and then improve the stability of the river levee protective structure who sets up on it.

Referring to fig. 2 and 3, in order to improve the structural stability of the riprap cushion layer 3, a limiting member 8 for limiting the movement of the stone block is arranged in the riprap cushion layer 3, the limiting member 8 includes a connecting ring 81 movably sleeved on the anchor pile 2, the connecting ring 81 is provided with at least four horizontal connecting rods 82, the connecting rods 82 are uniformly distributed along the circumferential direction of the connecting ring 81, the length of each connecting rod 82 is not less than half of the distance between adjacent anchor piles 2, and in this embodiment, the length of each connecting rod 82 is equal to half of the distance between adjacent anchor piles 2. And still fixedly on connecting rod 82 be provided with many vertical gag lever posts 83, the middle part fixed connection of connecting rod 82 and gag lever post 83, the lower extreme of gag lever post 83 inserts in the soil layer of basic groove 1 bottom and the upper end flushes with riprap cushion 3 upper surface, sets up four connecting rods 82 on a go-between 81 in this embodiment, and sets up two gag lever posts 83 on every connecting rod 82. Make the connecting piece installation be fixed in on the stock through go-between 81 to improve the installation strength of connecting piece, and play limiting displacement to the stone in the riprap bed course 3 from level and vertical direction through connecting rod 82 and gag lever post 83, make the stone be difficult for destroying the structural stability of riprap bed course 3 because of removing, and insert the intraformational setting of soil through gag lever post 83, make the structure of locating part 8 remain stable, further improve its restriction effect to the stone, improve the stability of riprap bed course 3 structure.

Referring to fig. 1, be equipped with a layer of concrete bed course 4 on rubble bed course 3 upper berth, the thickness and the width of concrete bed course 4 all are less than rubble bed course 3, be provided with retaining wall 5 on concrete bed course 4, retaining wall 5 is close to the width of the vertical and retaining wall 5 in one side of river course and reduces by supreme down gradually, the bottom height of retaining wall 5 is less than the riverbed height and the top height is higher than the riverbed height, and be provided with capping beam 51 at the top of retaining wall 5, in this embodiment, retaining wall 5 is built for cement mortar and rubble, capping beam 51 is formed for cement mortar pouring. Through the setting of concrete cushion 4 and retaining wall 5, retaining wall 5 plays and blocks the reinforcement effect to the bank for the bank is difficult to be because of rivers wash away and soil erosion and water loss or collapse in the river course, thereby plays the effect of protecting the river bank, improves the stability of river bank structure.

Referring to fig. 1, a rubble-throwing and silt-squeezing layer 6 is filled in a foundation trench 1 at one side of a retaining wall 5 close to a river channel, the rubble-throwing and silt-squeezing layer 6 is composed of silt and stones filled in the silt, and the rubble-throwing and silt-squeezing layer 6 is filled to be flush with a river bed; the rubble-throwing and silt-squeezing layer 6 is filled between the riverbed and the retaining wall 5, so that the retaining wall 5 is not easy to lose support due to soil loss on one side close to the riverbed, and the stability of the structure of the retaining wall 5 is improved.

Referring to fig. 1, the top of river bank is close to retaining wall 5 and locates to establish to the slope, and the one side that the slope is close to the river course is less than its one side of keeping away from the river course, and the one side height that the slope is close to the river course highly unanimous with retaining wall 5 top, and the slope upper berth is equipped with concrete bank protection 7, and concrete bank protection 7 becomes for prefabricated hexagonal block concrete brick in this embodiment. The arrangement of the river bank slope enables rainwater and the like to smoothly flow into the river channel and not to easily generate accumulated water on the river bank, and the surface structure strength of the river bank is improved through the arrangement of the concrete slope protection 7, so that the water and soil loss of the river bank is reduced.

Referring to fig. 1, wash port 9 has been seted up on retaining wall 5, wash port 9 is seted up a plurality ofly along the equidistant of length direction in river course, all fixes wearing to be equipped with drain pipe 10 in the wash port 9, the both ends intercommunication river course and the river bank soil layer of drain pipe 10, and drain pipe 10 is close to river course one end height and is less than its one end height that is close to the river bank, and drain pipe 10 is close to the one end of river bank and extends to in the river bank soil layer, and the ligature has geotechnological cloth (not shown in the. The arrangement of the drain holes 9 and the drain pipes 10 enables water in soil on one side of the river bank to be drained into a river channel, so that pressure applied to the retaining wall 5 on one side of the river bank is not easy to be too large due to excessive accumulated water, and stability of a river bank protection structure is improved.

Referring to fig. 1, an inverted filter bag 11 is disposed at the drain pipe 10 on one side of the retaining wall 5 close to the river bank, the inverted filter bag 11 includes a clay layer 111, a gravel layer 112 and a gravel layer 113, the clay layer 111 is disposed at the lower side of the drain pipe 10 and horizontally disposed, the gravel layer 112 is disposed on the clay layer 111 and covers the drain pipe 10, the end of the drain pipe 10 close to one end of the river bank is disposed in the gravel layer 112, and the gravel layer 113 is disposed on the clay layer 111 and covers the gravel layer 112. The water permeating into the drain pipe 10 is filtered through the gravel bed and the gravel bed 113 to prevent the drain pipe 10 from being blocked as much as possible, and the water in the riparian soil is prevented from permeating into the retaining wall 5 foundation to corrode the retaining wall 5 foundation as much as possible through the arrangement of the clay bed 111, so that the stability of the protective structure of the river levee is further improved.

The implementation principle of the embodiment is as follows: the riprap cushion layer 3, the concrete cushion layer 4 and the retaining wall 5 form a river bank protection structure to protect the river bank, reduce the water and soil loss of the river bank and improve the structural strength of the river bank; the foundation soil layer of the river levee protective structure is reinforced through the anchor piles 2, so that the strength of the foundation structure is improved, and the soil loss of the foundation structure is reduced; the riprap cushion layer 3 has higher structural strength and has the function of preventing water flow from contacting with soil at the bottom of the foundation trench 1, so that a foundation soil layer of the river levee protective structure is not easy to lose due to scouring, and movement of stones in the riprap cushion layer 3 is limited by the limiting part 8 formed by the connecting ring 81, the connecting rod 82 and the connecting ring 81, so that the structural integrity of the riprap cushion layer 3 is kept as much as possible, the structural stability of the riprap cushion layer 3 is improved, and the overall stability of the protective structure is improved; through the setting of drain hole 9 and drain pipe 10 on retaining wall 5, make the moisture in the soil of bank one side can discharge into in the river course for bank one side is difficult too big to the pressure that retaining wall 5 applyed because of ponding is too much, improves bank protective structure's stability.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: 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. A river bank protective structure is characterized in that: comprises a retaining wall (5), the retaining wall (5) is arranged between a river bank and a river bed, a foundation trench (1) along the length direction of the river bed is arranged at the position of the river bed close to the river bank, a riprap cushion layer (3) is paved in the foundation trench (1), the riprap cushion layer (3) comprises silt and stones filled in the silt, the retaining wall (5) is arranged on the riprap cushion layer (3), the width of the riprap cushion layer (3) is larger than that of the retaining wall (5), the top of the retaining wall (5) is higher than the riverbed and the bottom is lower than the riverbed, a plurality of vertical anchor piles (2) are inserted in the soil layer at the bottom of the foundation trench (1), the upper end of anchor pile (2) is located in riprap cushion layer (3), still be provided with in riprap cushion layer (3) and be used for the restriction locating part (8) that the stone removed in riprap cushion layer (3).

2. A river bank protective structure as claimed in claim 1, wherein: locating part (8) are located including the cover go-between (81) on anchor pile (2), be provided with on go-between (81) and be no less than four horizontally connecting rods (82), many connecting rod (82) are followed the circumference evenly distributed of go-between (81), be provided with many vertical gag lever posts (83) on connecting rod (82), insert the lower extreme of gag lever post (83) in the soil horizon of foundation trench (1) bottom and upper end not higher than riprap cushion layer (3) upper surface.

3. A river bank protective structure as claimed in claim 1, wherein: the width of the concrete cushion layer (4) is smaller than that of the riprap cushion layer (3) and larger than that of the retaining wall (5).

4. A river bank protective structure as claimed in claim 3, wherein: one side that retaining wall (5) are close to the riverbed is filled with crowded silt layer of throwing stone (6) in foundation trench (1), crowded silt layer of throwing stone (6) are filled to with the riverbed parallel and level.

5. A river bank protective structure as claimed in claim 4, wherein: the soil blocking wall is characterized in that a drain hole (9) is formed in the soil blocking wall (5), a drain pipe (10) is arranged in the drain hole (9), two ends of the drain pipe (10) are communicated with a river channel and a river bank soil layer, the height of one end, close to the river channel, of the drain pipe (10) is lower than that of one end, close to the river bank, of the drain pipe, one end, close to the river bank, of the drain pipe (10) extends into the river bank soil layer, and geotechnical cloth is bound to the position.

6. A river bank protective structure as claimed in claim 5, wherein: an inverted filter bag (11) is arranged on one side, close to the river bank, of the retaining wall (5) at the position of the drain pipe (10), the inverted filter bag (11) comprises a clay layer (111), a gravel layer (112) and a sand gravel layer (113), the clay layer (111) is located on the lower side of the drain pipe (10), the gravel layer (112) is located on the clay layer (111) and covers the drain pipe (10), and the sand gravel layer (113) is located on the clay layer (111) and covers the gravel layer (112).

7. A river bank protective structure as claimed in claim 6, wherein: and the top of the retaining wall (5) is also provided with a capping beam (51).

8. A river bank protective structure as claimed in claim 7, wherein: the slope is established to one side that the river bank is close to retaining wall (5), and one side that the slope is close to the river course is less than its one side of keeping away from the river course, and the slope is close to one side of river course and flushes with retaining wall (5) top, and the slope upper berth is equipped with concrete bank protection (7).

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