Framing type embankment and road integrated structure

Abstract

The utility model provides a framing type embankment and road integrated structure, and belongs to the technical field of embankment reinforcement and roads. The right pavement structure and the flood bank are combined in a widening mode to form a bank-road combination body, and the bank-road combination body is located on the water facing side of the left pavement structure and higher than the left pavement structure. A box-type embankment penetrating channel is arranged in the flood control embankment, stirring piles and an anti-seepage wall are arranged below the channel, and the anti-seepage wall is arranged in the center of an embankment foundation along the embankment line. According to the utility model, the left pavement structure is designed to be flush with the land behind the embankment, so that the practical problem of unsmooth traffic connection caused by height difference between the embankment-road combination body and the land behind the embankment after the existing embankment-road combination technology is lifted is solved; the right pavement structure and the flood bank are combined to form an embankment-road integrated structure, so that the embankment is reinforced, meanwhile, the requirements of traffic transportation are met, and the effect of widening a river-along road is achieved. Limited urban waterfront space can be utilized, and the double requirements for reinforcing the flood bank and widening the river-side aisle are met at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to embankment reinforcement and road technical field, more specifically, relate to a kind of split-frame type embankment-road integrated structure. BACKGROUND

[0002] In recent years, with the economic development and population growth of cities along the river, the safety level and flood control standard of city are continuously improved, and many early built flood control embankments cannot meet the requirements of city flood control. In addition, the backwater side of city flood control embankment is usually built with a city road for traffic relief of the area along the river, and the early built city road in the core area of city development cannot meet the increasing traffic demand, and vehicle congestion occurs frequently. Therefore, many cities along the river are faced with the dual problems of flood control embankment upgrading and reconstruction of the road along the river.

[0003] Due to the insufficient reserved space in early city planning and other historical reasons, the city shoreline and space layout along the river are very compact, resulting in limited construction conditions of flood control embankment reinforcement and road widening along the river, and mutual restriction. The existing embankment-road integrated technology usually adopts the method of lifting the embankment top, which needs to raise the existing road along the river to the same height as the top of the flood control embankment, resulting in a height difference of 4-5m between the road along the river and the original ground, which not only blocks the water access channel of the public to the beach park, but also needs to raise the intersecting roads along the river to intersect with the road along the river, becoming a new problem of restricting the travel of pedestrians and vehicles behind the embankment. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a split-frame type embankment-road integrated structure to solve at least one of the above problems, which adopts left and right split-frame arrangement, the left frame road is at the same height as the ground behind the embankment, and the right frame road is combined with the flood control embankment to raise and widen, so as to utilize the limited city waterfront space, realize the dual requirements of flood control embankment reinforcement and road widening along the river, and solve the actual problems of height difference and poor traffic connection between the existing embankment-road integrated technology and the land behind the embankment after lifting.

[0005] To achieve the above purpose, the utility model provides a split-frame type embankment-road integrated structure, which comprises: left frame pavement structure and right frame pavement structure; the left frame pavement structure is at the same height as the land behind the embankment; the right frame pavement structure is combined with the flood control embankment to form an embankment-road integrated body, and the lower side of the embankment-road integrated body is provided with a plurality of mixing piles; the right frame pavement structure is located on the water side of the left frame pavement structure and is higher than the left frame pavement structure.

[0006] Further, it further comprises a cutoff wall, the cutoff wall is buried in the lower side of the flood control embankment, and the top elevation of the cutoff wall is higher than the design flood level by more than 500mm.

[0007] Further, the cutoff wall is buried in the center of the embankment foundation of the flood control embankment and arranged along the embankment line.

[0008] Further, the flood control embankment is internally provided with a box-type embankment-penetrating passage, the embankment-penetrating passage comprises a passage bottom plate, a passage top plate and passage side walls on two sides, the two sides of the embankment-penetrating passage are connected with a first U-shaped groove and a second U-shaped groove respectively, and the first U-shaped groove is connected between the left-side road surface structure and the embankment-penetrating passage.

[0009] Further, the embankment-penetrating passage is internally provided with a gate, the gate is arranged on the water-approaching side of the embankment-penetrating passage, and the second U-shaped groove is arranged on the water-approaching side of the gate.

[0010] Further, the embankment-penetrating passage comprises a plurality of box-type structures connected in series, and a deformation joint is arranged between two adjacent box-type structures.

[0011] Further, the deformation joint is filled with a joint-filling material, an externally-applied waterstop is arranged at the bottom of the deformation joint, a PE foam rod and a caulking paste are used to fill and seal the top of the deformation joint, and a steel-edged rubber waterstop is embedded in the middle of the deformation joint.

[0012] Further, the horizontal slopes of the left-side road surface structure and the right-side road surface structure are inclined towards the water-remote side of the flood control embankment.

[0013] Further, the side of the right-side road surface structure close to the left-side road surface structure is provided with a cover plate ditch, and the cover plate ditch is used for collecting road surface rainwater of the right-side road surface structure.

[0014] Further, the left-side road surface structure is paved with a gravel soil layer on the lower side.

[0015] Further, the right-side road surface structure is paved with a cohesive soil layer between the right-side road surface structure and the flood control embankment.

[0016] Further, the upper sides of the plurality of mixing piles are paved with a cushion layer.

[0017] Compared with the prior art, the utility model has the following technical effects:

[0018] The left-side road surface structure is lowered to make the left-side road surface structure and the land behind the embankment have the same height, so that the actual problem that the traffic connection is not smooth due to the height difference between the embankment-road combination and the land behind the embankment is solved; in addition, the right-side road surface structure is combined with the flood control embankment to reinforce the width of the flood control embankment, and a plurality of mixing piles are arranged on the lower side of the embankment-road combination to strengthen the bearing capacity of the embankment foundation on the lower side of the flood control embankment, so that the flood control embankment is reinforced, the demand of traffic transportation is met, and the effect of widening the riverfront road is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the technical problems, technical solutions and beneficial effects of the embodiments of the present application more clearly understood, the drawings needed in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 The overall structure schematic diagram of the split-frame type embankment and road combined structure provided by the embodiments of the present application is shown in the figure.

[0021] Figure 2 The plane arrangement structure schematic diagram of the present application is shown in the figure. Figure 1

[0022] Figure 3 The cross-sectional structure schematic diagram of the embankment-penetrating passage in the present application is shown in the figure. Figure 1

[0023] Figure 4 The cross-sectional structure schematic diagram of the first U-shaped groove in the present application is shown in the figure. Figure 1

[0024] Figure 5 The structure schematic diagram of the deformation joint in the present application is shown in the figure. Figure 1 In the figure, the various reference signs are as follows:

[0025] 1, flood control embankment, 2, mixing pile, 3, anti-seepage wall, 4, embankment-penetrating passage, 41, cushion layer, 42, passage bottom plate, 43, passage top plate, 44, passage side wall, 45, U-shaped groove, 451, first U-shaped groove, 452, second U-shaped groove, 46, deformation joint, 461, externally attached waterstop, 462, steel-edged rubber waterstop, 463, joint filling material, 464, PE foam rod, 465, caulking paste, 47, gate, 5, gravel soil layer, 6, left-side road surface structure, 61, left-side road surface sidewalk, 62, left-side road surface motorway, 7, cohesive soil layer, 8, right-side road surface structure, 81, right-side road surface motorway, 82, right-side road surface sidewalk, 9, cover plate ditch.

[0026] DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects of the embodiments of the present application more clearly understood, the drawings needed in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0028] ​​​​In the utility model, the term "and / or" describes the association relationship of the associated objects, and indicates that three kinds of relationships can exist, for example, A and / or B can indicate that A exists alone, A and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character " / " generally indicates that the associated objects before and after it are in an "or" relationship.

[0029] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] The terms used in the embodiments of the utility model are only for the purpose of describing specific embodiments, and are not intended to limit the utility model. The singular forms "a", "said" and "the" used in the embodiments of the utility model and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0032] The terms "first", "second" are only for the purpose of description, used to distinguish objects such as substances from each other, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. For example, without departing from the scope of the embodiments of the utility model, the first XX can also be referred to as the second XX, and similarly, the second XX can also be referred to as the first XX. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.

[0033] Please refer to Figures 1-5 Now a kind of frame type dike road structure provided in the embodiments of the utility model will be described.

[0034] In an embodiment of the utility model, a kind of frame type embankment road combined structure of the utility model embodiment, comprising: left frame pavement structure 6, flood control embankment 1, multiple mixing piles 2 and right frame pavement structure 8.Left frame pavement structure 6 is with the back of embankment flat high;Flood control embankment 1 is connected in the water side of left frame pavement structure 6, and right frame pavement structure 8 is combined with the help of flood control embankment 1 to form embankment road combination body, and multiple mixing piles 2 are equipped in the lower side of embankment road combination body;Right frame pavement structure 8 is located in the water side of left frame pavement structure 6, and higher than left frame pavement structure 6.Multiple mixing piles 2 are arranged at the lower side of flood control embankment 1 with interval, to strengthen the bearing capacity of the lower side of flood control embankment 1.

[0035] In the embodiment, the road adopts frame type structure, and the height difference between left frame pavement structure 6 and right frame pavement structure 8 is generally 4000-5000mm.Specifically, left frame pavement structure 6 can include left frame pavement sidewalk 61 and left frame pavement motorway 62, and right frame pavement structure 8 can include right frame pavement sidewalk 82 and right frame pavement motorway 81.

[0036] The frame type embankment road combined structure of the utility model embodiment is lowered by the elevation of left frame pavement structure 6, so that left frame pavement structure 6 is flat with the back of embankment, to solve the actual problem that the height difference between existing embankment road combination body and the back of embankment causes traffic connection to be not smooth after being lifted.In addition, by arranging right frame pavement structure 8 on the upper side of flood control embankment 1 and arranging multiple mixing piles 2 on the lower side of flood control embankment 1 to strengthen the bearing capacity of soft embankment foundation on the lower side of flood control embankment 1, the right frame pavement structure 8 on the upper side of flood control embankment 1 can meet the demand of traffic transportation while flood control embankment 1 is reinforced, which plays a role in widening the river road.The frame type embankment road combined structure of the utility model embodiment can utilize limited urban waterfront space, and realize the dual demands of flood control embankment 1 reinforcement and river road widening.

[0037] Further, in an embodiment, the frame type embankment road combined structure further includes impervious wall 3, and the impervious wall 3 is buried in the lower side of flood control embankment 1, and the elevation of the top of impervious wall 3 is higher than design flood level by 500mm or more.By burying impervious wall 3 in the lower embankment foundation of flood control embankment 1, the impervious reinforcement of flood control embankment 1 can be realized.This embodiment adopts double processing technology of mixing pile 2 and impervious wall 3 for flood control embankment 1, which can improve the bearing capacity of soft embankment foundation while making the permeation of flood control embankment 1 stable, thereby realizing the dual role of impervious reinforcement of flood control embankment 1 and road widening, and the economic benefit is remarkable.

[0038] Further, in one embodiment, the impervious wall 3 is embedded in the center of the embankment foundation of the flood control embankment 1 to play a better impervious role. The bottom of the impervious wall 3 penetrates through the water permeable layer and enters the impermeable layer by more than 1000 mm, and the wall thickness is 400-600 mm. The wall material of the impervious wall 3 is plastic concrete, the compressive strength is not less than 5.0 MPa, the permeability coefficient is not greater than 1x10 -7 cm / s, and the density of the plastic concrete is not less than 2100 kg / m 3 . The total amount of cementitious material is not less than 240 kg / m 3 , the amount of cement is not less than 80 kg / m 3 , the amount of bentonite is not less than 40 kg / m 3 , and the sand ratio is not less than 45%.

[0039] Further, in one embodiment, the mixing pile 2 is a cement-soil mixing pile or a high-pressure rotary jet pile, the pile diameter is 600-800 mm, and the pile spacing is 1300-1500 mm. The mixing pile 2 can be arranged in multiple rows in parallel, and the adjacent three in the adjacent two rows of mixing piles are arranged in an equilateral triangle. The mixing pile 2 needs to penetrate through the soft soil layer and enter the bearing layer by more than 1000 mm. The bearing capacity of the composite foundation treated by the mixing pile 2 should be not less than 150 kPa.

[0040] Further, in one embodiment, the flood control embankment 1 is provided with a box-type embankment-penetrating channel 4, the embankment-penetrating channel 4 includes a channel bottom plate 42, a channel top plate 43 and channel side walls 44 on both sides, and both sides of the embankment-penetrating channel 4 are symmetrically connected with U-shaped grooves 45, the U-shaped grooves 45 include first U-shaped grooves 451 and second U-shaped grooves 452. Specifically, the left side of the embankment-penetrating channel 4 is connected with the first U-shaped grooves 451, the right side of the embankment-penetrating channel 4 is connected with the second U-shaped grooves 452, the second U-shaped grooves 452 have the same structure as the first U-shaped grooves 451, and the first U-shaped grooves 451 are connected between the left pavement structure 6 and the embankment-penetrating channel 4. By providing the box-type embankment-penetrating channel 4 in the flood control embankment 1, the problem that the flood control embankment 1 blocks pedestrians from entering the river beach park can be effectively solved. Specifically, the embankment-penetrating channel 4 adopts a reinforced concrete box structure, the structure adopts C30P6 reinforced concrete material, the channel bottom plate 42 is 600-800 mm thick, the channel top plate 43 is 600-1000 mm thick, and the channel side walls 44 are 700 mm thick. The U-shaped grooves 45 adopt C30P6 reinforced concrete material, the bottom plate is 500 mm thick, and the side walls are 400 mm thick.

[0041] Further, in one embodiment, the embankment-penetrating channel 4 is provided with a gate 47, the gate 47 is arranged on the water side of the embankment-penetrating channel 1, and the second U-shaped grooves 452 are arranged on the water side of the gate 47. The gate 47 can adopt a stoplog type, a horizontal type or a fabricated type, and when the gate 47 is opened, the embankment-penetrating channel 4 opens the channel into the river beach park.

[0042] Further, in an embodiment, the embankment-penetrating passage 4 comprises a plurality of box structures connected in series, and a deformation joint 46 is arranged between adjacent two box structures. Specifically, the main structure of the embankment-penetrating passage 4 is segmented every 1000 mm, and a 20 mm wide deformation joint 46 is arranged between the segments. The deformation joint 46 is arranged to ensure the safety and durability of the main structure of the embankment-penetrating passage 4.

[0043] Further, in an embodiment, the deformation joint 46 is filled with a joint filling material 463, which can be a polystyrene board or a low-expansion-ratio polyethylene foam board. The bottom of the deformation joint 46 is provided with an externally attached waterstop 461, and the width of the externally attached waterstop 461 can be 300 mm. The top of the deformation joint 46 is filled with a PE foam rod 464 and a caulking paste 465, and the light joint surface is collected. The middle of the deformation joint 46 is embedded with a steel edge rubber waterstop 462.

[0044] Further, in an embodiment, the transverse slopes of the left pavement structure 6 and the right pavement structure 8 are both inclined towards the backwater side of the flood embankment 1, and the inclination angles can both be 2%. This can make the rainwater on the left pavement structure 6 and the right pavement structure 8 converge and then be connected to the municipal pipe network below the left pavement structure 6.

[0045] Further, in an embodiment, the right pavement structure 8 is provided with a cover trench 9 on the side close to the left pavement structure 6, and the cover trench 9 is used to collect the pavement rainwater of the right pavement structure 8. In this way, the rainwater on the right pavement structure 8 converges to the cover trench 9 first, and then is connected to the municipal pipe network below the left pavement structure 6 from the cover trench 9.

[0046] Further, in an embodiment, the left pavement structure 6 is laid on a gravel soil layer 5, i.e. the left pavement structure 6 is laid on the gravel soil after the shallow layer of the roadbed of the left pavement structure 6 is replaced with gravel soil. The gravel soil is a mixture of graded gravel and clay in a ratio of 7:3, and the bearing capacity of the replaced foundation should be not less than 120 kPa.

[0047] Further, in an embodiment, the right pavement structure 8 is laid on a cohesive soil layer 7 between the right pavement structure 8 and the flood embankment 1, i.e. the embankment above the embankment-penetrating passage 4 is backfilled with cohesive soil. The slope ratio of the filled embankment should not be steeper than 1:2.5, the maximum particle size of the filling material should be not greater than 100 mm, and the compaction degree should be not less than 96% according to the heavy compaction standard.

[0048] Further, in an embodiment, a plurality of mixing piles 2 are laid on a cushion layer 41, i.e. the mixing piles 2 and the embankment-penetrating passage 4 are laid on the cushion layer 41. Specifically, a 100 mm thick C20 plain concrete cushion layer 41 can be laid on the top of the plurality of mixing piles 2 and the impervious wall 3, and the cushion layer 41 is 100 mm longer than the main structure of the embankment-penetrating passage 4 on both sides.

[0049] The utility model embodiment's one kind divides the frame formula dike road to combine structure and adopts left, right frame arrangement, left frame pavement structure 6 and dike behind ground flat height, right frame pavement structure 8 combines flood control dike 1 and lifts high help width, the dike road combination body below set up the dike passage 4 of passing through and the connection closure of anti -seep wall 3. This divides the frame formula dike road to combine structure from left to right, from bottom to top respectively: the roadbed shallow layer of left frame pavement structure 6 is filled with broken stone soil and is equipped with pavement structure, the roadbed of right frame pavement structure 8 uses mixing pile 2 and handles, improves soft soil dike foundation bearing capacity, and the dike foundation center of flood control dike 1 uses anti -seep wall 3 and reinforces handling, and the dike body is arranged reinforced concrete dike passage 4 structure, and the first U groove 451 of channel backwater surface 4 connects left frame pavement structure 6, and the second U groove 452 of water surface surface is equipped with water gate 47 and then connects river beach park, and the top of dike passage 4 uses cohesive soil and fills to the roadbed top surface design elevation, and the upper portion is equipped with pavement structure.

[0050] The utility model embodiment's one kind divides the frame formula dike road to combine structure can utilize the limited city waterfront space, reduces the elevation of left frame pavement structure 6 and makes it with dike behind ground flat height, solves the practical problem that the existing dike road combination technique lifts high and the dike road and dike behind ground exist height difference, and traffic connection is not smooth, and dike passage 4 can effectively solve the problem that flood control dike 1 blocks the person into river beach park, adopts mixing pile 2 and anti -seep wall 3 double -dealing technique to flood control dike 1 simultaneously and solves the problem of soft soil dike foundation bearing capacity and permeation stability, realizes the dual role of flood control dike 1 anti -seep reinforcement and road widening, and the economic benefit is remarkable.

[0051] The above embodiment only expresses several implementation manners of the utility model, and its description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the utility model concept, can also make a number of deformation and improvement, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be attached to the right claim.

Claims

1. A segmented embankment-road integrated structure, characterized in that, The utility model relates to a kind of flood control embankment and road combination structure, including: Left pavement structure and right pavement structure;The left pavement structure is flat with the land behind embankment; The right pavement structure is combined with flood control embankment to form embankment-road combination, and the lower side of the embankment-road combination is provided with multiple mixing piles;The right pavement structure is located in the water side of the left pavement structure, and higher than the left pavement structure.

2. A split-level levee-road structure as claimed in claim 1, wherein, It also includes a cutoff wall, which is embedded in the lower side of the flood control embankment, and the top elevation of the cutoff wall is higher than the design flood level by more than 500 mm.

3. A split-level levee-road combination structure as claimed in claim 2, wherein, The cutoff wall is embedded in the center of the embankment foundation of the flood control embankment and arranged along the embankment line.

4. A split-level levee-road combination structure as claimed in claim 3, wherein, A box-type through-embankment passage is provided in the flood control embankment, which includes a passage bottom plate, a passage top plate, and passage side walls on both sides. The through-embankment passage is connected to a first U-shaped groove and a second U-shaped groove on both sides, respectively. The first U-shaped groove is connected between the left pavement structure and the through-embankment passage.

5. A split-level levee-road combination structure as claimed in claim 4, wherein, A gate is provided in the through-embankment passage, which is located on the water side of the through-embankment passage. The second U-shaped groove is located on the water side of the gate.

6. A split-level levee-road combination structure as claimed in claim 4, wherein, The through-embankment passage includes multiple connected box-type structures, and a deformation joint is provided between adjacent two box-type structures.

7. A split-level levee-road combination structure as claimed in claim 6, wherein The deformation joint is filled with a joint filling material. The bottom of the deformation joint is provided with an externally attached waterstop. The top of the deformation joint is filled with a PE foam rod and a caulking paste, and the joint surface is collected. A steel edge rubber waterstop is embedded in the middle of the deformation joint.

8. The levee-road hybrid structure of claim 1, wherein The transverse slopes of the left pavement structure and the right pavement structure are inclined towards the backwater side of the flood control embankment.

9. A split-level levee-road combination structure as claimed in claim 8, wherein, A cover trench is provided on the side of the right pavement structure close to the left pavement structure, which is used to collect the road rainwater of the right pavement structure.

10. A split-level levee-road structure as claimed in any one of claims 1 to 9, wherein, A gravel soil layer is laid under the left pavement structure;And / or, A cohesive soil layer is laid between the right pavement structure and the flood control embankment;And / or, A cushion layer is laid on the upper side of multiple mixing piles.

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