CN211228363U

CN211228363U - Face river barricade

Info

Publication number: CN211228363U
Application number: CN201921984668.9U
Authority: CN
Inventors: 苏红敏; 彭炳力; 任艳妮; 彭文湃
Original assignee: Chongqing Jiaotong University Engineering Design And Research Institute Co ltd
Current assignee: Chongqing Jiaotong University Engineering Design And Research Institute Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-08-11
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a waterside barricade relates to the road field of waterside, aims at solving the problem that river water conservancy diversion harmed the road bed, and its technical scheme main points are: the retaining wall comprises a retaining wall main body laid along a roadbed side slope, wherein a plurality of water drainage holes are formed in the retaining wall main body, one end, facing a river channel, of each water drainage hole is inclined downwards, and the bottom of the lowest row of the water drainage holes is higher than a normal water surface; rubber tubes matched with the water drainage holes are pre-buried in the water drainage holes, each rubber tube comprises a first rubber tube section, a connecting section, a second rubber tube section and a T-shaped rubber tube joint, pipe joints are formed on the inner wall of the connecting section in a surrounding mode, an inner cavity formed by the pipe joints is a flow guide hole, a floating block for plugging the flow guide hole is connected in the connecting section in an axial sliding mode, a guide rod is fixed on the floating block, and the guide rod is parallel to the connecting tubes and connected to the pipe joints in a sliding mode. The utility model discloses can be used to slow down because of facing the problem that the mechanism takes place the river refluence and harm the road bed of sluicing of river road bed.

Description

Face river barricade

Technical Field

The utility model relates to a face river road field, more specifically say, it relates to a face river barricade.

Background

Road construction is taken as a life pulse of economic development and plays an important role in national economic development. The embankment is part of a road, and the stability of its structure directly affects the life of the road. Immersion water is proposed as one type of embankment, which degrades road quality by settling due to long or short term (seasonal) immersion on one or both sides.

In order to solve the problems, the Chinese patent with the publication number of CN202559576U discloses a viaduct underwater river municipal road structure, which comprises a retaining wall, wherein a concrete foundation is arranged at the bottom of the retaining wall; a prefabricated T-shaped pile is arranged below the foundation; one side of the retaining wall facing the bank is provided with an inlaid surface; more than one water drainage hole inclined towards the inner side of the river channel is arranged in the retaining wall body; the top of the retaining wall is provided with a concrete coping, the back of the retaining wall is provided with backfilled broken stones, and one end of the drainage hole facing the backfilled broken stones is provided with a reverse filter bag; a bubble mixed light soil pouring section is arranged on the back surface of the backfilled macadam and above a foundation pouring excavation line; the revetment is arranged along the river bank from the same level of the foundation, and the foot guards are arranged at the end parts of the revetment.

Above-mentioned scheme has reduced the inboard pressure of barricade effectively through setting up ponding within the outlet discharge barricade, has solved to a certain extent and has subsided the problem because of soaking for a long time in the road bed that is close to the river, but the outlet structure that this scheme set up is simple relatively, and has not prevented the backflow structure, if the river soaks, can cause water to lead to the drainage failure through the outlet refluence on the contrary, and road bed water pressure risees the problem that the road bed subsides even, consequently the utility model provides a new technical scheme solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a near river barricade, it can be used to slow down because of the problem that the mechanism takes place the river refluence and harm the road bed that sluices of facing the river road bed.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a river-facing retaining wall comprises a retaining wall main body laid along a roadbed side slope, wherein the retaining wall main body comprises a first wall body and a second wall body, the second wall body is fixed above the first wall body and is abutted against the first wall body, and the junction position of the first wall body and the second wall body is higher than a normal water level; a plurality of water drainage holes are formed in the retaining wall main body, one ends of the water drainage holes are communicated with the river surface, the other ends of the water drainage holes penetrate through the back surface of the retaining wall main body, one ends of the water drainage holes, which face the river channel, are inclined downwards, and the bottom of the lowest row of the water drainage holes is higher than the normal water surface; rubber tubes matched with the water drainage holes are pre-buried in the water drainage holes, each rubber tube comprises a first rubber tube section, a connecting section, a second rubber tube section and a T-shaped rubber tube joint, pipe joints are formed on the inner wall of the connecting section in a surrounding mode, an inner cavity formed by the pipe joints is a flow guide hole, a floating block for plugging the flow guide hole is connected in the connecting section in an axial sliding mode, a guide rod is fixed on the floating block, and the guide rod is parallel to the connecting section and connected to the pipe joints in a sliding mode.

By adopting the technical scheme, a plurality of drainage holes which incline downwards towards one end of the river channel are preset in the retaining wall main body, accumulated water in the retaining wall main body is blocked and drained, the pressure from the interior of the wall body is reduced, and the service life of the wall body is prolonged; rubber pipes are pre-buried in the drainage holes, so that the drainage holes can be prevented from being blocked by sand stones in the wall; through set up by the tube coupling inside the rubber tube and through the anti-backflow structure that the kicking block that the guide bar links to each other constitutes, prevent that the water in the river course from getting into the wall body through outlet refluence of outlet of sluicing hole and leading to the inside flooding of wall body even subside.

The utility model discloses further set up to: the pipe joint comprises a right trapezoid which is hollow inside and is viewed along the axial cross section of the rubber pipe, and the inclined edge of the right trapezoid faces one side of the water inlet of the rubber pipe and is arc-shaped.

By adopting the technical scheme, the pipe joint is formed into a hollow shape, so that materials can be reduced, and the pipe joint is more economical; the inclined edge of the right trapezoid is arranged in an arc shape, so that water can be guided to flow out of the rubber tube through the diversion hole.

The utility model discloses further set up to: one surface of the floating block, which is far away from the retaining wall main body, is concave; the diameter of the floating block is smaller than that of the inner cavity of the rubber tube.

By adopting the technical scheme, when water flows backwards from the river channel and enters the rubber tube, the water is guided to the positive pressure of the floating block through the concave part of the floating block, the floating block is pushed to the pipe joint more easily, the diversion holes in the pipe joint are blocked, and the effect of preventing the water from flowing backwards is achieved.

The utility model discloses further set up to: the floating block is fixed with a sealing ring towards one side of the pipe joint, and the diameter of the sealing ring is larger than that of the flow guide hole.

Through adopting above-mentioned technical scheme, when the water conservancy diversion hole was plugged up to the kicking block, the sealing washer that sets up on the kicking block warp, and along with the increase of flowing water, pressure is bigger and bigger, thoroughly seals the water conservancy diversion hole, strengthens the effect that the kicking block prevented water refluence.

The utility model discloses further set up to: and a filter bag is fixed at the end of the rubber pipe joint facing one end of the river channel.

By adopting the technical scheme, the filter bag is bound on the rubber hose joint so as to prevent animals and plants in the river channel from entering the pipeline.

The utility model discloses further set up to: a water-resisting layer is embedded at the bottom of the water inlet of the water drainage hole, and a sand bag is arranged in front of the water inlet of the water drainage hole.

By adopting the technical scheme, the waterproof layer can prevent water from accumulating at the water inlet of the water drain hole and further seep downwards without flowing into the rubber pipe from the water inlet of the water drain hole; the sand bag is used for plugging the water inlet in front of the water inlet of the rubber pipe, so that sand and stones in the retaining wall main body can be prevented from entering the rubber pipe from the water inlet hole to block the pore passage.

The utility model discloses further set up to: the first wall body is a C20 sheet stone concrete wall body, and the second wall body is an M10 mortar-laid sheet stone wall body.

By adopting the technical scheme, the strength grade of the cement C20 used for the first wall body is higher than that of the cement M10 used for the second wall body, so that the stability of the retaining wall main body can be improved; the C20 stone concrete prefabricated in advance is used, the progress of the project can be accelerated, M10 mortar is used for building the stone, materials can be obtained in situ, and the cost is saved; the addition of the slate can save the cost while reducing the generation of hydration heat.

The utility model discloses further set up to: a plurality of first reinforced concrete columns are fixed in the first wall body, and extend into the second wall body; the thickness direction of first wall body and second wall body is provided with many second reinforced cement posts, the one end of second reinforced cement post is located the barricade main part, and the other end orientation deviates from river course one side and extends and stretch out the barricade main part.

Through adopting above-mentioned technical scheme, use by many high strength, the steel bar combination of high tenacity and pour the reinforced cement post of cementing, link to each other barricade main part and road bed when linking to each other two wall bodies for the barricade main part is more stable, prevents that first wall body and second wall body from sliding relatively.

To sum up, the utility model discloses following beneficial effect has:

1. the method is characterized in that a floating stone backfill body is arranged below a wall foot of a retaining wall main body, and a reinforced concrete column is pre-poured in a wall, so that the stability of the wall is enhanced, and the scouring of water on the wall foot of the first wall is reduced to a certain extent;

2. the accumulated water in the retaining wall main body is discharged by arranging the water drainage hole, so that the internal pressure is reduced; a rubber pipe is arranged in the drain hole, and a pipe joint is arranged in the rubber pipe to form a diversion hole for draining water; the pipe joint axially slides towards one side of the river channel to plug a floating ball for the diversion hole; when the river channel swells and enters the rubber pipe, the floating block blocks the diversion hole under the action of buoyancy, so that backflow is prevented, and the roadbed is prevented from being damaged.

Drawings

FIG. 1 is a schematic longitudinal sectional view showing the structure of the retaining wall main body according to the present invention;

FIG. 2 is a schematic diagram of a longitudinal sectional structure of the present invention, which is mainly used to show the structure of the rubber tube after installation;

FIG. 3 is a schematic structural view of the rubber tube of the present invention;

FIG. 4 is a sectional view taken along the line A-A of FIG. 3;

fig. 5 is an enlarged view of the portion B in fig. 4.

In the figure: 1. a retaining wall main body; 11. filling a soil layer; 12. a ground layer; 13. a nut; 2. a first wall; 3. a second wall; 31. a middle cavity; 4. backfilling the stone chips; 5. a water drain hole; 51. a hose; 511. a first section of rubber tube; 512. a connecting section; 513. a second section of rubber tube; 514. a hose joint; 52. a filter bag; 53. a water barrier layer; 54. a sand bag; 6. a first reinforced concrete column; 61. a second reinforced concrete column; 7. pipe joints; 71. a right trapezoid; 72. a bump; 8. a flow guide hole; 9. floating blocks; 91. a seal ring; 10. a guide rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a face river barricade, refers to fig. 1, includes barricade main part 1 along the road bed side slope is laid, and one side of 1 thickness direction of barricade main part is the river course, and the opposite side is filled soil layer 11, and one side that filled soil layer 11 deviates from the barricade is foundation 12. The retaining wall main body 1 comprises a first wall body 2 and a second wall body 3, the second wall body 3 is positioned on the first wall body 2, and the junction position of the first wall body 2 and the second wall body 3 is higher than the normal water level so as to reduce the probability of river water permeating into the wall.

The upper portion longitudinal section of first wall body 2 is trapezoidal and trapezoidal oblique waist towards river course one side, and second wall body 3 upwards pours the shaping and with first wall body 2 adaptation along the oblique waist of 2 wall bodies of first wall body. A bottom platform 21 is formed by extending one side of the bottom of the first wall body 2 close to the river, and a floating stone backfilling body 4 which is matched with the bottom platform 21 in shape and is completely positioned below the normal water level is poured on the bottom platform 21, so that the problem that the wall base is damaged by water flow washing the side edge of the bottom of the first wall body 2 is reduced, and the stability of the first wall body 2 is improved.

A middle cavity 31 with a trapezoidal longitudinal section is formed in a concave manner on one side, away from the river channel, of the second wall 3 above the first wall 2, a soil filling layer 11 is filled into the middle cavity 31, and after the soil filling layer 11 is filled, the soil filling layer 11 and the retaining wall main body 1 form an embedded structure, so that the retaining wall main body 1 is more stable; on the horizontal direction at 3 tops of second wall body, the top of second wall body 3 is close to the one end that is close to the river and is higher than its other end, and its higher one end flushes with the road surface, sets to this structure barricade main part 1, and after laying the road surface, the road surface forms the joint structure with the top of second wall body 3, can guarantee the stability on road surface.

Referring to fig. 1, the first wall 2 may be formed by pouring C20 stone concrete, and the second wall 3 may be formed by pouring M10 mortar masonry stone; the first wall body 2 is made of C20 stone concrete, because the C20 stone concrete is prefabricated in advance, the first wall body can be directly used without occupying a site by being dragged by a vehicle, the first wall body 2 mixed with the stone is cheaper, main materials can be saved, the cost is correspondingly saved, the hydration heat can be reduced by adding the stone into a pure concrete wall body, and the progress and the quality of a project are ensured while the economy of the project is considered. The second wall 3 is made of M10 mortar rubble, wherein the rubble can be obtained in situ. The rubbles are respectively added into the first wall body 2 and the second wall body 3, so that the flexural strength of the concrete can be greatly improved and the positive pressure resistance of the concrete can be increased by adding the rubbles into the high-pressure-resistant cement paste; because the first wall 2 is located at the lower part of the whole retaining wall body 1, and bears the pressure from the foundation layer 12, the pressure of the river channel, the pressure of the second wall 3 and the self gravity, and the bearing pressure is much higher than that of the second wall 3, the strength grade of the material used for the first wall 2 is higher than that of the material used for the third wall, for example, the strength grade of the cement C20 used for the first wall 2 is higher than that of the cement M10 used for the second wall 3.

Referring to fig. 1, in order to improve the stability of the integral retaining wall body 1, the thickness of the top of the first wall body 2 is 0.5m to 1.0m greater than the thickness of the bottom of the second wall body 3, and the back of the first wall body 2 is flush with the back of the second wall body 3 before the intermediate wall body 31 is removed; the method comprises the steps that a first reinforced cement column 6 which extends upwards and is combined by a plurality of steel bars and is poured with cement is poured in the first wall 2, one end of the first reinforced cement column 6 is located in the first wall 2, the other end of the first reinforced cement column 6 is poured while the second wall 3 is poured, the other end of the first reinforced cement column 6 is poured in the second wall 3, after the whole pouring process is finished, the first wall 2 and the second wall 3 are connected through the first reinforced cement column 6, the pressure in the foundation can be effectively dispersed by using the first reinforced cement column 6 combined by the plurality of steel bars, the first wall 2 is prevented from moving under the pressure in the foundation, and the first reinforced cement column is staggered relative to the second wall 3; be provided with many second reinforced concrete columns 61 in the thickness direction of whole barricade main part 1, this second reinforced concrete column 61's one end is located barricade main part 1, and the other end exposes, is convenient for meet with ground basic unit 12, further stabilizes barricade main part 1.

Referring to fig. 5, in the pouring process of the first wall 2 and the second wall 3, a plurality of drain holes 5 with the diameter of 5cm-10cm are reserved in the two walls along the thickness direction, in order to ensure smooth outward draining of the drain holes 5 and no blocking phenomenon, the slope of the drain holes is set to be 5% -10% of the height of the retaining wall main body 1, and one end (water inlet) at the back of the retaining wall main body 1 is higher than one end (water outlet) at the riverway-close end of the retaining wall main body 1; in order to effectively reduce the pressure of the water flow in the drainage holes 5 on the retaining wall main body 1, the distance between the drainage holes 5 can be 5m, the drainage holes are staggered up and down, and the bottom of the lowest row of the drainage holes 5 is higher than the normal water surface by 0.5m so as to prevent the water flow from flowing backwards.

Referring to fig. 2 and 3, in order to prevent the drain hole from being blocked by sand and ensure the smoothness of the drain hole 5, a rubber pipe 51 matched with the drain hole is embedded in the drain hole 5, the rubber pipe 51 comprises a first section of rubber pipe 511, a connecting section 512, a second section of rubber pipe 513 and a T-shaped rubber pipe joint 514, and two ends of the connecting section 512 are respectively connected with the first section of rubber pipe 511 and the second section of rubber pipe 513 by adopting a hot melting type connecting method so as to ensure the connectivity of the whole rubber pipe 51 and ensure that the rubber pipe 51 does not leak water; the other end of the first section of rubber pipe 511 extends into one side of the back (close to the foundation layer 12) of the retaining wall main body 1, the other end of the second section of rubber pipe 513 is a water outlet, an internal thread is arranged at the water outlet of the second section of rubber pipe 513, an external thread is arranged on the excircle of the bottom end of the rubber pipe joint 514, and the second section of rubber pipe 513 is in threaded connection with the rubber pipe joint 514. In order to prevent animals and plants from entering the second section of rubber hose 513 from the water outlet of the second section of rubber hose 513, the water outlet of the second section of rubber hose 513 can be 0.5m higher than the first wall 2 and the second wall 3, and the side surface of the head of the rubber hose connector 514 is concave, so that the filter bag 52 made of geotextile is conveniently bound at the concave part of the head of the rubber hose connector 514.

In order to prevent water from being accumulated too much at the water inlet of the drain hole 5 and further seep downwards without flowing into the rubber pipe 51 from the water inlet of the drain hole 5, a 50 cm-thick water-resisting layer 53 with low water permeability is pre-embedded at the bottom of the water inlet of the drain hole 5 in the lowest row, and the water-resisting layer 53 can be granite adhered or compact with extremely low permeability coefficient. In order to prevent sand and stones in the retaining wall body 1 from entering the rubber pipe 51 from the water inlet hole and blocking the hole passage, a sand bag 54 which is made of reverse filter geotextile (non-woven geotextile or needle-punched geotextile) and is provided with sand inside and is slightly larger and longer than the diameter of the water inlet hole of the water discharge hole 5 is arranged in front of the water inlet of the rubber pipe 51 to form a reverse filter structure, the sand bag 54 is pre-embedded before the wall back is filled with the filling layer 11, and the water inlet is blocked by the sand bag 54.

Referring to fig. 4 and 5, a coupling 7 is formed in the inner wall of the connection section 512 around the circumference of the inner wall, and in order to reduce the mass of the connection section 512 and save materials, the coupling 7 includes a right-angled trapezoid 71 having a hollow interior in a cross section along the length direction of the hose 51. The inner cavity of the annular pipe joint 7 is provided with a diversion hole 8. The oblique side of the right trapezoid 71 is directed toward the inlet of the hose 51 and has an arc shape to guide and discharge water.

And a floating block 9 for plugging the diversion hole 8 is arranged on one side of the pipe joint 7, which is far away from the filling layer 11. In order to relatively fix the floating block 9 and prevent the floating block 9 from drifting out along with water, a guide rod 10 is integrally formed at the end part of the floating block 9, and the guide rod 10 is close to the side edge of the floating block 9 and is parallel to the length direction of the rubber pipe 51; the guide rod 10 penetrates the pipe section 7 and extends out of the side of the pipe section, which is far away from the floating block 9; an external thread is arranged on the outer wall of one end of the guide rod 10 far away from the floating block 9, and after the guide rod 10 passes through the small hole, the guide rod is locked by a nut 13 matched with the external thread specification.

The floating block 9 is recessed on the surface deviating from the retaining wall main body 1 to form a cambered surface, backflow water is guided to be positive pressure with the center of the floating block 9, the shape of the floating block 9 is the same as the cross section of the rubber pipe 51 in the cross section direction of the rubber pipe 51, but the diameter of the floating block is smaller than that of the cross section of the rubber pipe 51, a gap is reserved, and water is convenient to discharge; when water flows back to reach the pipe joint 7, the floating block 9 can quickly reach the diversion hole 8 blocking the pipe joint 7, the floating block 9 is hollow, and light anti-corrosion materials are adopted.

In order to better prevent water from flowing back to enter the rubber pipe 51, a sealing ring 91 is arranged on one surface of the floating block 9, which is far away from the river channel; a bump 72 is formed on the inner annular surface of the pipe joint 7, and the bump 72 surrounds the pipe joint 7 to form a flow guide hole 8; the sealing ring 91 extends into the pipe joint 7 and abuts against the projection 72, and the diameter of the sealing ring is larger than that of the diversion hole 8.

When water flows back to enter the rubber pipe 51 and is guided by the cambered surface of the floating block 9, the floating block 9 is pushed to move towards the pipe joint 7, the pressure is increased along with the increase of the flowing water, and the sealing effect is enhanced.

When the water collection in the retaining wall main body 1 is increased, water filters crushed stones through the sand bag 54, flows to the connecting section 512 from the first section of rubber pipe 511, flows out from the diversion hole 8 under the guidance of the upper cambered surface of the connecting section 512, flows to the river channel from the rubber pipe joint 514 after passing through the second section of rubber pipe 513.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a face river barricade, includes barricade main part (1) laid along the roadbed side slope, its characterized in that: the retaining wall main body (1) comprises a first wall body (2) and a second wall body (3), the second wall body (3) is fixed above the first wall body (2) and is abutted against the first wall body, and the junction position of the first wall body (2) and the second wall body (3) is higher than the normal water level; a plurality of water drainage holes (5) are formed in the retaining wall main body (1), one ends of the water drainage holes (5) are communicated with the river surface, the other ends of the water drainage holes penetrate through the back surface of the retaining wall main body (1), one ends of the water drainage holes (5) facing the river channel are inclined downwards, and the bottom of the lowest row of the water drainage holes is higher than the normal water surface; rubber tube (51) with it matched with is pre-buried in outlet (5), rubber tube (51) including first section rubber tube (511), linkage segment (512), second section rubber tube (513) that communicate in proper order and rubber tube connector (514) that is the T shape, the inner wall of linkage segment (512) encircles the shaping and has tube coupling (7), the inner chamber that tube coupling (7) enclose is water conservancy diversion hole (8), axial sliding is connected with kicking block (9) of shutoff water conservancy diversion hole (8) in linkage segment (512), be fixed with guide bar (10) on kicking block (9), guide bar (10) are on a parallel with linkage segment (512) and slide and connect in tube coupling (7).

2. A river-facing retaining wall as claimed in claim 1, wherein: the pipe joint (7) comprises a right trapezoid (71) which is hollow inside and is viewed along the axial section end of the rubber pipe (51), and the inclined edge of the right trapezoid (71) faces one side of the water inlet of the rubber pipe (51) and is arc-shaped.

3. A river-facing retaining wall as claimed in claim 1, wherein: one surface of the floating block (9) departing from the retaining wall main body (1) is concave; the diameter of the floating block (9) is smaller than the diameter of the inner cavity of the rubber tube (51).

4. A river-facing retaining wall as claimed in claim 1, wherein: the floating block (9) is fixed with a sealing ring (91) towards one side of the pipe joint (7), and the diameter of the sealing ring (91) is larger than that of the diversion hole (8).

5. A river-facing retaining wall as claimed in claim 1, wherein: and a filter bag (52) is fixed at the end of the hose joint (514) facing to one end of the river channel.

6. A river-facing retaining wall as claimed in claim 1, wherein: a water-resisting layer (53) is embedded at the bottom of the water inlet of the water drainage hole (5), and a sand bag (54) is arranged in front of the water inlet of the water drainage hole (5).

7. A river-facing retaining wall as claimed in claim 1, wherein: the first wall body (2) is a C20 sheet stone concrete wall body, and the second wall body (3) is an M10 mortar sheet stone wall body.

8. A river-facing retaining wall as claimed in claim 7, wherein: a plurality of first reinforced concrete columns (6) are fixed in the first wall body (2), and the first reinforced concrete columns (6) extend into the second wall body (3); the thickness direction of first wall body (2) and second wall body (3) is provided with many second reinforced concrete columns (61), the one end of second reinforced concrete column (61) is arranged in barricade main part (1), and the other end orientation deviates from river course one side and extends and stretch out barricade main part (1).