CN215801387U - Deep tooth wall embankment protection slope capable of working with water - Google Patents

Abstract

The utility model discloses a deep tooth wall embankment protection slope capable of working with water, which comprises a deep tooth wall and an embankment protection slope, wherein the deep tooth wall is fixed at a preset position of a river channel in a secondary driving mode through a prefabricated modular structure, the embankment protection slope is built on the outer side of the deep tooth wall, the inner side of the deep tooth wall is a river bottom or a lake bottom, the lower end plane side of the embankment protection slope is vertically and tightly squeezed with the outer side surface of the deep tooth wall, and the lower end plane side of the embankment protection slope is arranged at the same level with the top of the deep tooth wall. The deep tooth wall technology is adopted, so that the length of the revetment can be reduced, and the secondary driving technology can be used as a water retaining cofferdam, so that the construction period is shortened, the investment is reduced, the influence of revetment construction on river channels and landscapes is reduced, the existing problem of revetment engineering is solved, and the method has certain popularization.

Description

Deep tooth wall embankment protection slope capable of working with water

Technical Field

The utility model relates to the technical field of embankment protection slopes, in particular to a deep tooth wall embankment protection slope capable of working with water.

Background

The traditional revetment is protected to the river bottom or the lake bottom, and the tooth wall is arranged at the slope foot of the river bottom, so that the protection engineering quantity is large. During slope protection construction, river channel (lake) water needs to be emptied or dry field operation construction is carried out after cofferdam water retaining, along with increasing rareness of water resources and the trend of people to good landscape ecology, for river channels and lakes with large water storage capacity, loss caused by lowering water level and protecting and building is large, the landscape of the river channels (lakes) is influenced, irreparable loss is caused to the ecology of the river and the lakes, if cofferdam water retaining construction is adopted, cofferdam construction cost is large, some cost even exceeds main engineering cost, cofferdam pulling or removing is hidden-defect engineering, the stability of dikes is influenced in the process of pulling cofferdams (pile moulds or pile box cofferdams), silting is caused due to unclean removal of the cofferdams (soil cofferdams), river channel overflowing is influenced, and river channel dike safety is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the deep tooth wall embankment protection slope capable of being operated with water, aiming at the technical defects in the prior art, and the deep tooth wall embankment protection slope can be widely applied to the embankment protection and building of lakes, seashore and river channels, is always combined, has high construction speed, and has stronger adaptability, social popularization property and economic value.

The technical scheme adopted for realizing the purpose of the utility model is as follows:

the deep tooth wall embankment protection slope capable of working with water comprises a deep tooth wall fixed at a preset position of a river channel and an embankment protection slope formed by building on the outer side of the deep tooth wall, wherein the embankment protection slope is located on the outer side of the deep tooth wall, the inner side of the deep tooth wall is a river bottom or a lake bottom, the lower end plane side of the embankment protection slope is vertically and compactly pressed with the outer side surface of the deep tooth wall, and the lower end plane side of the embankment protection slope is arranged on the same level with the top of the deep tooth wall.

The deep tooth wall forms a water retaining cofferdam when being driven for the first time, and forms a slope protection deep tooth wall and is arranged below the low water level of the river channel after being driven for the second time.

Wherein the bottom of the embankment protection slope is provided with a cushion layer to be spaced apart from the underlying substrate.

And a gravel drainage blind ditch is paved between the lower part of the lower end plane side of the embankment protection slope and the deep tooth wall for drainage.

Wherein, the high end of the embankment protection slope forms a high-end plane to connect with the embankment top.

The deep tooth wall technology adopted by the utility model can reduce the length of the revetment, and can also be used as a water retaining cofferdam by adopting a secondary driving technology, thereby shortening the construction period, reducing the investment, reducing the influence of the revetment construction on river channels and landscapes, solving the existing problems of the revetment project and having certain popularization.

Drawings

Fig. 1 is a schematic view of a deep-tooth wall embankment protection slope capable of working with water according to an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1, the deep-tooth wall embankment protection slope capable of being operated with water according to the embodiment of the present invention includes a deep-tooth wall 4 which is fixed at a predetermined position of a river channel by secondary driving of a prefabricated modular structure, and an embankment protection slope 1 which is formed by building outside the deep-tooth wall, wherein the embankment protection slope is located outside the deep-tooth wall (left side in the figure), the inside of the deep-tooth wall (right side in the figure) is a river bottom or a lake bottom 6, a lower end plane side of the embankment protection slope is vertically pressed against an outer side surface of the deep-tooth wall, and the lower end plane side of the embankment protection slope is arranged flush with a top of the deep-tooth wall.

Wherein the high end of the embankment protection slope forms a high-end plane to connect with the embankment top 7, as shown in fig. 1.

Wherein, the bottom of the embankment protection slope is provided with a cushion layer 2 to be separated from the lower slope protection substrate (not shown), and the cushion layer 2 can be sand or a sand stone layer.

And a gravel drainage blind ditch 3 is paved between the lower part of the lower end plane side of the embankment protection slope and the deep tooth wall for drainage.

And the deep tooth wall 4 is driven into the water channel for the first time to form a water retaining cofferdam, and the deep tooth wall is driven into the water channel for the second time to form a slope protection deep tooth wall and is arranged below the low water level of the river channel.

The deep tooth wall technology is adopted, so that the length of the revetment can be reduced, and the secondary driving technology can be used as a water retaining cofferdam, so that the construction period is shortened, the investment is reduced, the influence of revetment construction on river channels and landscapes is reduced, the existing problem of revetment engineering is solved, and the method has certain popularization.

The deep-tooth-wall embankment protection slope capable of working with water provided by the embodiment of the utility model is a novel slope protection structure type provided on the basis of fully researching embankment slope scouring (elutriation), the deep-tooth wall 4 is generally arranged below the low water level of a river channel, the river channel scouring depth at the tooth wall is calculated by considering the river channel overflowing condition, the driving depth of the tooth wall is designed to meet the requirement of embankment stability, meanwhile, in order to save investment, the tooth wall is considered to be a water retaining cofferdam supporting structure in a permanent and temporary combination mode, and the stability under the water retaining working condition is checked and calculated to meet the standard requirement, so that the length of the deep tooth wall is determined.

The deep-tooth wall embankment protection slope capable of being operated with water in the embodiment of the utility model is constructed when the dry period of a river channel is selected during construction, the deep-tooth wall is produced by a prefabricated part manufacturer in a certain design form and size, and the protection slope can be in various forms such as gabion protection slope, concrete slab, mortar stone, interlocking building block and the like. The specific construction method comprises the following steps:

(1) paying out in water, determining the driving position of the deep tooth wall, and preparing a driving machine (such as a crane matched with a vibration hammer on the shore or a construction ship matched with the vibration hammer in water).

(2) And (3) driving the deep tooth wall, driving the deep tooth wall to the top elevation of the water retaining cofferdam for the first time, paving and fixing waterproof membrane cloth 5 in front of the deep tooth wall, paving a gravel drainage blind ditch 3 behind the tooth wall after the wall falls water, and draining water, as shown in figure 1.

(3) And (4) performing foundation clearing treatment on partial embankment slopes behind the tooth wall, and laying a cushion layer 2 and then performing slope protection and masonry to form a slope protection.

(4) And (5) cleaning the waterproof membrane cloth after the slope protection is inspected to be qualified, and driving the waterproof membrane cloth into the tooth wall to the design elevation for the second time. And finishing construction.

The deep tooth wall embankment protection slope capable of working with water provided by the embodiment of the utility model has the following advantages:

1) the reducible bank protection length of dark dentate wall can form the barricade bank protection after the dentate wall erodees, and the scour protection is effectual.

The conventional traditional revetments are protected to the river bottom or the lake bottom, the river bottom is provided with a tooth wall, the tooth wall is shallow, and the revetments are easy to collapse and slide after the river channel is washed by water flow and exposed out of the tooth wall. The profile wall has been deepened to dark profile wall bank protection scheme, has reduced bank protection length, considers the scouring depth of profile wall department during the simultaneous design, can form the wall-hanging type retaining wall bank protection after the profile wall lower soil layer erodees (elutriation), and slope protection stability is stronger, and the scour prevention effect is obviously superior to traditional bank protection.

2) The deep tooth wall is also used as a cofferdam water retaining structure, is combined forever, and has small engineering investment.

The deep tooth wall adopts a precast reinforced concrete interlocking plate pile type structure, adopts a secondary driving scheme, is driven to the top elevation of a construction cofferdam during the primary driving, is paved with a waterproof membrane on the upstream side and also used as a water retaining cofferdam, and forms a drainage blind ditch after digging a drainage ditch and paving broken stones behind the tooth wall, thereby meeting the requirement of the operation of a slope protection dry field; after the slope protection construction is finished, the tooth wall is driven to the designed elevation again to form the deep tooth wall. Because this scheme has shortened bank protection length and has saved most expenses such as construction temporary cofferdam and drainage water conservancy diversion, synthesize the cost and save about 30% than traditional bank protection scheme. Therefore, compared with the traditional scheme, the scheme has greater superiority for river channel and lake revetments without drainage conditions, and is worthy of popularization and application.

3) The deep tooth wall can enhance the seepage-proofing performance of the dike.

The deep tooth wall construction adopts a driving scheme, the wall body is driven to extrude the dike soil bodies on two sides, so that the compactness of the soil body on the periphery of the wall body is enhanced, the anti-seepage performance of the soil body is enhanced, meanwhile, the tooth wall plays a certain anti-seepage role, and the large seepage damage such as piping and the like of the dike can be prevented.

4) Deep tooth wall bank protection adopts and squeezes into formula prefabricated construction, and degree of mechanization is high, and construction speed is fast, and the time limit for a project is short.

The deep tooth wall is prefabricated prestressed reinforced concrete interlocking member, can squeeze into by the vibrations hammer, and it is fast to squeeze into, and the construction degree of difficulty is low, and secondly, deep tooth wall can be done the manger plate cofferdam simultaneously and use, has reduced the time of cofferdam construction and demolition, and the bank protection engineering volume that the deep tooth wall scheme reduces simultaneously to save the time limit for a project.

5) Dark tooth wall bank protection is less than traditional bank protection construction scene, and is less to the surrounding environment influence.

According to the technical scheme, the slope protection is short, the deep tooth wall is used as the cofferdam, the construction site is compact, the construction site is small, the integral landscape effect of the water surface can be effectively guaranteed, the influence of large-area construction excavation operation on the environment, the water body and the dike is avoided, the water environment, the air quality, the sound environment, the health of regional crowds and the ecological environment of the scenic spot along the line in the construction area are guaranteed, and the generation of social instability factors can be effectively prevented.

6) The deep tooth wall revetment has small disturbance to river banks and dikes and has small influence on the ecology of rivers and lakes.

Deep-tooth wall bank protection length is shorter than traditional bank protection, only protects the step to upper portion embankment slope, and the lower part embankment slope is former ecological embankment slope to utilize deep-tooth wall as cofferdam supporting construction in the work progress, embankment slope beyond the bank protection does not have the influence basically, guarantees furthest's reduction to the influence of former ecological environment.

Interpretation of terms:

slope protection: the protection measures adopted to prevent water flow from washing or washing the upstream surface of the dike can be divided into plant measures and paving measures.

Carrying out water-carrying operation: when the slope protection is constructed, measures for reducing the water level of the river channel are not taken, the construction water level is higher than the elevation of the tooth wall of the slope protection, and the tooth wall is driven into water when the tooth wall is constructed.

Deep tooth wall: the utility model provides a prefabricated reinforced concrete sheet pile wall, adopts the hammering to squeeze into, and the first time is squeezed into the wall crown elevation and is higher than the construction water level, can hold off the water cofferdam usefulness concurrently, waits to squeeze into to the design elevation after the bank protection construction finishes, plays the effect of scour protection and solid slope.

Cofferdam: a temporary water retaining enclosure is constructed to prevent water or soil from entering a construction site of a building.

The foregoing is only a preferred embodiment of the present invention, and 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 (5)

1. The deep tooth wall embankment protection slope capable of being operated with water is characterized by comprising a deep tooth wall and an embankment protection slope, wherein the deep tooth wall is fixed at a preset position of a river channel in a secondary driving mode through a prefabricated modular structure, the embankment protection slope is built on the outer side of the deep tooth wall, the inner side of the deep tooth wall is a river bottom or a lake bottom, the lower end plane side of the embankment protection slope is vertically and compactly extruded with the outer side face of the deep tooth wall, and the lower end plane side of the embankment protection slope is arranged on the same level with the top of the deep tooth wall.

2. The underwater work deep-tooth wall embankment protection slope according to claim 1, wherein the deep-tooth wall is driven for the first time to form a water retaining cofferdam and driven for the second time to form a protection slope deep-tooth wall and is arranged below the low water level of the river.

3. The water-workable deep-tooth wall embankment revetment according to claim 1, wherein a crushed stone drainage blind ditch is laid between the lower planar side of said embankment revetment and said deep-tooth wall for drainage.

4. The water-workable deep tooth wall bank protection slope according to claim 1, wherein the bottom of the bank protection slope is provided with a bedding layer to be spaced apart from an underlying substrate.

5. The water-workable deep-tooth wall bank protection slope according to claim 1, wherein the upper end of said bank protection slope forms a high-end plane for connecting the top of the bank.

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