Repairing and reinforcing structure for revetment in small-load section

Abstract

The utility model discloses a revetment repairing and reinforcing structure for a small-load section. The revetment repairing and reinforcing structure comprises a steel sheet pile, a reinforced concrete cap beam, a mortar masonry face stone repairing wall and a strip stone coping. The steel sheet piles extend in the vertical direction, the outer side faces of the steel sheet piles face the riverbed ground line, and the inner side faces of the steel sheet piles face the revetment. The reinforced concrete cap beam is poured and mounted at the top of the steel sheet pile body; the inner side surface of the reinforced concrete cap beam is close to the foot part of the revetment; the mortar masonry face stone repair wall is mounted on the slope side wall of the revetment in a covering manner; fine stone concrete pouring cracks are distributed in the mortar masonry face stone repairing wall. And the strip stone coping is mounted in the revetment coping chiseling groove. In the process of repairing and reinforcing the revetment of a small-load section, damage of land subsidence to buildings adjacent to the river bank can be reduced, and the original style and appearance and tourism value of the river bank of the scenic area are protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the bank protection construction technical field of river, especially a bank protection repair reinforcing structure of small load section. BACKGROUND

[0002] The river bank collapse or silting caused by the river bank scouring caused by wind, waves, water flow and the like can cause the degradation or silting of the river bank. This factor is one of the important reasons for the instability of the river bank slope. In order to protect the safety of the river bank slope, maintain the water ecological system and beautify the environment, the bank protection technology has been widely used. The existing bank protection structure usually uses stones, concrete blocks, steel sheet piles and the like with good self stability to resist the scouring of the water flow and form the anti-scouring bank protection. However, the settlement caused by the construction process of the existing bank protection structure in the repair reinforcing construction process of some small load sections can easily affect the buildings near the rear of the river bank, causing the damage to the original overall landscape of the river bank and reducing the cultural value and tourism value of some scenic river banks. Therefore, how to develop a new bank protection repair reinforcing structure to overcome the above problems is the research direction of the technical personnel in the field. SUMMARY

[0003] The utility model discloses a bank protection repair reinforcing structure of small load section can reduce the damage of ground settlement to the adjacent building of river bank, has protected the original landscape and tourism value of scenic river bank.

[0004] The utility model discloses a bank protection repair reinforcing structure of small load section, it includes:

[0005] Steel sheet pile, the steel sheet pile extends along the vertical direction, the outer side of the steel sheet pile faces the riverbed ground line, and the inner side of the steel sheet pile faces the bank protection;

[0006] Reinforced concrete cap beam, the reinforced concrete cap beam is installed on the top of the pile body of the steel sheet pile, and the inner side of the reinforced concrete cap beam is close to the foot of the bank protection;

[0007] Mortar faced stone repair wall, the mortar faced stone repair wall is installed on the slope side wall of the bank protection, and the mortar faced stone repair wall is distributed with fine stone concrete caulking;

[0008] Strip stone coping, the strip stone coping is installed in the bank protection coping removal groove.

[0009] Preferably, it further includes:

[0010] Hard plastic drain pipe, one end of the hard plastic drain pipe extends into the mortar faced stone repair wall and is connected with the drain pipe of the bank protection;

[0011] A transition concrete layer is located between the inner side of the reinforced concrete cap beam and the foot of the revetment, and the upper end surface of the transition concrete layer is configured to be flush with the top surface of the reinforced concrete cap beam.

[0012] Another preferred solution is further comprising:

[0013] A geotextile layer is laid on the slope side wall of the revetment, and the dry-stone repair wall is covered and installed on the side of the geotextile layer away from the revetment.

[0014] A backfill soil layer is filled between the geotextile layer and the inner side of the reinforced concrete cap beam, and the upper side of the backfill soil layer is flush with the top surface of the reinforced concrete cap beam.

[0015] A gravel layer is located below the geotextile layer and between the inner side of the steel sheet pile and the geotextile layer.

[0016] Preferably, the steel sheet pile adopts a CRP-U-1651 type steel sheet pile, and the length of the pile body is configured to be 10-18m.

[0017] Preferably, the strip stone coping is a granite strip stone, and a cement mortar layer is provided on the granite strip stone.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] Firstly, the utility model can timely find and relieve ground subsidence, reduces the damage of ground subsidence to the adjacent buildings of the river bank, and protects the original features and tourism value of the scenic river bank. Secondly, the utility model has simple structure, is easy to implement, and has shorter engineering period. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of example 1.

[0021] Figure 2 It is a structural schematic view of example 2.

[0022] In the drawings, the names of the components corresponding to each reference numeral are as follows:

[0023] 100, steel sheet pile; 110, reinforced concrete cap beam; 200, dry-stone repair wall; 300, strip stone coping; 400, hard plastic drainage pipe; 500, transition concrete layer; 600, revetment; 700, building; 210, fine stone concrete caulking; 810, geotextile layer; 820, backfill soil layer; 830, aquatic plant; 900, gravel layer; 310, cement mortar layer. DETAILED DESCRIPTION

[0024] The implementation manners of the present application are described below through specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art according to the disclosure. The present application can also be implemented or applied through different specific implementation manners, and various modifications or changes can be made to the details in the specification without departing from the principles of the present application.

[0025] Embodiment 1, please refer to Figure 1

[0026] A small load section revetment 600 repair and reinforcement structure, comprising: a steel sheet pile 100, a reinforced concrete cap beam 110, a mortar facing stone repair wall 200, a stone coping 300, a hard plastic drainage pipe 400, and a transition concrete layer 500.

[0027] The steel sheet pile 100 extends in the vertical direction, the outer side of the steel sheet pile 100 faces the riverbed ground line, and the inner side of the steel sheet pile 100 faces the revetment 600; the reinforced concrete cap beam 110 is installed on the top of the pile body of the steel sheet pile 100; the inner side of the reinforced concrete cap beam 110 is close to the foot of the revetment 600; the mortar facing stone repair wall 200 is installed on the slope side wall of the revetment 600; the mortar facing stone repair wall 200 is distributed with fine stone concrete joint filling 210; the stone coping 300 is installed in the coping removed groove of the revetment 600. The hard plastic drainage pipe 400 extends into the mortar facing stone repair wall 200 and is used to connect with the original drainage pipe in the revetment 600, so as to realize drainage during construction; the transition concrete layer 500 is located between the inner side of the reinforced concrete cap beam 110 and the foot of the revetment 600; and the upper end surface of the transition concrete layer 500 is configured to be flush with the top surface of the reinforced concrete cap beam 110.

[0028] In this example: the reinforced concrete cap beam 110 is a C30 reinforced concrete cap beam 110, which is distributed with adjacent and spaced less than 20m joints, and the joints are filled with closed-cell foam boards. The steel sheet pile 100 is a CRP-U-1651 type steel sheet pile 100, and the length of the pile body is configured to be 10-18m. The stone coping 300 is granite stone, and is configured to have a saturated uniaxial compressive strength not less than 50Mpa. A certain thickness of cement mortar layer 310 can also be provided on the stone coping 300 to achieve leveling, and the cement mortar layer 310 can reduce the influence of uneven settlement of the revetment 600.

[0029] In practice, the construction process is as follows:

[0030] ​Firstly, the work surface of the block stone in front of the wall is roughly leveled, a steel sheet pile 100 cofferdam is built, then the steel sheet pile 100 is punched, then the C30 reinforced concrete cap beam 110 is poured on the top of the steel sheet pile 100, then the mortar facing stone repair wall 200 is installed on the slope side wall of the revetment 600, then the original damaged coping of the revetment 600 is chiseled to expose the revetment 600 coping chiseled groove, the stone coping 300 is poured into the revetment 600 coping chiseled groove, and finally the cofferdam is removed. In this scheme, there are buildings 700 within a range of 10-15 meters behind the revetment 600. The steel sheet pile 100 can be punched by static pressure construction, thereby avoiding affecting the ground of the building 700.

[0031] Embodiment 2, please refer to Figure 2 :

[0032] A revetment 600 repair and reinforcement structure in a small load section, comprising: a steel sheet pile 100, a reinforced concrete cap beam 110, a mortar facing stone repair wall 200, a stone coping 300, a geotextile layer 810, a backfill soil layer 820, and a gravel layer 900.

[0033] The steel sheet pile 100 extends in the vertical direction, the outer side of the steel sheet pile 100 faces the riverbed ground line, and the inner side of the steel sheet pile 100 faces the revetment 600; the reinforced concrete cap beam 110 is installed on the top of the pile body of the steel sheet pile 100; the inner side of the reinforced concrete cap beam 110 is close to the foot of the revetment 600; the mortar facing stone repair wall 200 is installed on the slope side wall of the revetment 600; the mortar facing stone repair wall 200 is distributed with fine stone concrete joint filling 210; and the stone coping 300 is installed in the revetment 600 coping chiseled groove. The geotextile layer 810 is laid on the slope side wall of the revetment 600, and the mortar facing stone repair wall 200 is installed on the side of the geotextile layer 810 away from the revetment 600; the backfill soil layer 820 is filled between the inner side of the geotextile layer 810 and the reinforced concrete cap beam 110; the upper side of the backfill soil layer 820 is flush with the top surface of the reinforced concrete cap beam 110; and aquatic plants 830 can be planted on the backfill soil layer 820, which can not only firmly backfill the soil layer 820, but also increase the coverage rate of river plants. The gravel layer 900 is located below the geotextile layer 810 and between the inner side of the steel sheet pile 100 and the geotextile layer 810. In this scheme, drainage is achieved through the fine holes in the gravel layer 900. In practice, the hard plastic drainage pipe 400 structure of Embodiment 1 can also be provided.

[0034] In the example: the reinforced concrete cap beam 110 is a C30 reinforced concrete cap beam 110, which is distributed with adjacent interval less than 20m of the split, the split is used to fill the closed cell foam board. The steel sheet pile 100 adopts the CRP-U-1651 type steel sheet pile 100, and the length of the pile body is configured to be 10-18m. The strip stone pressure top 300 is granite strip stone, and is configured to have a saturated uniaxial compressive ultimate strength not less than 50Mpa. A certain thickness of cement mortar layer 310 can be further arranged on the strip stone pressure top 300 to realize leveling, and the cement mortar layer 310 can reduce the influence of uneven settlement of the revetment 600.

[0035] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments. Even if various changes are made to the utility model, provided that the changes belong to the scope of the utility model claims and equivalent technologies, they still fall within the protection scope of the utility model.

Claims

1. A small load section of a revetment repair reinforcement structure, characterized by, It comprises: a steel sheet pile extending in a vertical direction, with an outer side facing a riverbed ground line and an inner side facing a revetment; a reinforced concrete cap beam installed on top of the pile body of the steel sheet pile, with an inner side close to a foot of the revetment; a mortar-faced stone repair wall installed on a slope side wall of the revetment, with fine concrete joints distributed on the mortar-faced stone repair wall; a strip stone coping installed in a revetment coping removal groove.

2. The revetment repair and reinforcement structure of claim 1, wherein, It further comprises: a hard plastic drain pipe extending into the mortar-faced stone repair wall and connected with a drain pipe of the revetment; a transition concrete layer between the inner side of the reinforced concrete cap beam and the foot of the revetment, with an upper end surface configured to be flush with a top surface of the reinforced concrete cap beam.

3. The revetment repair and reinforcement structure of claim 1, wherein, It further comprises: a geotextile layer laid on the slope side wall of the revetment, with the mortar-faced stone repair wall installed on a side of the geotextile layer facing away from the revetment; a backfill soil layer filled between the geotextile layer and the inner side of the reinforced concrete cap beam, with an upper side surface flush with the top surface of the reinforced concrete cap beam; a gravel layer located below the geotextile layer and between the inner side of the steel sheet pile and the geotextile layer.

4. The revetment repair and reinforcement structure according to claim 2 or 3, wherein: the steel sheet pile is of a CRP-U-1651 type, with a pile body length configured to be 10-18 m.

5. The revetment repair and reinforcement structure according to claim 4, wherein: the strip stone coping is of a granite strip stone, with a cement mortar layer provided on the granite strip stone.

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