CN113832917B - River course revetment laying construction method for hydraulic engineering - Google Patents
River course revetment laying construction method for hydraulic engineering Download PDFInfo
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- CN113832917B CN113832917B CN202111314131.3A CN202111314131A CN113832917B CN 113832917 B CN113832917 B CN 113832917B CN 202111314131 A CN202111314131 A CN 202111314131A CN 113832917 B CN113832917 B CN 113832917B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/128—Coherent linings made on the spot, e.g. cast in situ, extruded on the spot
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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- Engineering & Computer Science (AREA)
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- Revetment (AREA)
Abstract
The invention discloses a river course revetment paving construction method for hydraulic engineering, and belongs to the technical field of hydraulic construction. A river course revetment paving construction method for hydraulic engineering comprises the following steps: s1, slope cutting: stripping surface soil and leveling the slope; s2, slope bottom reinforcement: excavating a vertical surface at the slope bottom, and constructing a bottom layer supporting body; s3, paving a gravel base layer: uniformly paving stones on the slope; s4, soil layer laying: paving soil and compacting; s5, arranging an inner grouting pipe: installing an inner grouting pipe to the slope body; s6, laying a slurry conveying pipe: a slurry conveying pipe is arranged along the slope body and communicated with the inner slurry injecting pipe; s7, paving a concrete layer: spreading concrete; s8, pore forming: forming holes on the concrete surface, and penetrating the holes to a slurry conveying pipe; s9, paving an interlocking block: paving interlocking blocks on the concrete layer; s10, grouting: grouting is carried out through a slurry conveying pipe. The invention reduces the environmental impact, improves the stability of the slope surface and the strength of the bottom layer matrix, and enhances the integral anti-skid effect.
Description
Technical Field
The invention relates to the technical field of water conservancy construction, in particular to a river course revetment paving construction method for water conservancy engineering.
Background
In the hydraulic engineering construction, river course slope protection treatment is required; so as to avoid the conditions of river channel siltation and slope body damage caused by slope soil loss and collapse. For the construction design of the revetment, various forms such as laying a protection net, a revetment brick, a concrete layer and the like exist at present; the problem of slope protection loss can be effectively solved.
However, with the increase of the service life, the combination degree of the slope protection body and the slope body is gradually weakened, and even the phenomena of separation, hollow connection and the like are generated; seriously affecting the overall effect of the project and possibly causing certain dangers. Simultaneously, to the slope protection brick, along with the washing away of rivers, the condition that appears droing takes place occasionally.
Disclosure of Invention
The invention aims to solve the problems that the overall stability of a river channel revetment has defects, the service life is influenced and revetment bricks are washed off and fall off in the prior art, and provides a river channel revetment paving construction method for hydraulic engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
a river course revetment laying construction method for hydraulic engineering comprises the following steps:
s1, slope cutting: stripping surface soil and leveling the slope;
s2, slope bottom reinforcement: excavating a vertical surface at the slope bottom, and constructing a bottom layer supporting body;
s3, paving a gravel base layer: uniformly paving stones on the slope;
s4, soil layer laying: paving soil and compacting;
s5, arranging an inner grouting pipe: installing an inner grouting pipe on the slope body;
s6, laying a slurry conveying pipe: a slurry conveying pipe is arranged along the slope body and communicated with the inner slurry injecting pipe;
s7, paving a concrete layer: spreading concrete;
s8, pore forming: forming holes on the concrete surface, and penetrating the holes to a slurry conveying pipe;
s9, paving an interlocking block: paving interlocking blocks on the concrete layer;
s10, grouting: grouting is carried out through a slurry conveying pipe.
Preferably, in the step S1, the topsoil is peeled off from the die by 40 to 60 cm and stacked in a concentrated manner.
Preferably, in the step S2, the height of the excavated vertical surface is 1/5 to 1/4 of the vertical height of the slope protection;
and building the rock blocks on the outer side of the vertical surface by using concrete, wherein the surface layer is superposed with the slope surface.
Preferably, in step S3, stones with a grain size of 2 to 10 cm are used.
Preferably, in step S4, geotextile is laid before the soil layer is laid;
the thickness of the laid soil is 20 to 30 centimeters.
Preferably, in the step S5, the grouting pipe extends inwards by 50 to 80 centimeters perpendicular to the slope;
through holes are uniformly formed in the outer wall of the grouting pipe.
Preferably, in step S5, the top end of the slurry feeding pipe extends out of the top of the slope, and a blocking component is arranged.
Preferably, a groove is arranged on the surface of the concrete;
in step S7, forming a groove on the concrete surface using a form; or, in step S8, cutting a groove in the concrete surface;
in step S9, a cavity is formed on the bottom surface of the interlocking block, and the position of the cavity corresponds to the position of the groove.
Preferably, in step S10, geotextile is laid on the interlocking blocks before grouting, and soil layers are covered.
Compared with the prior art, the invention provides a river course revetment paving construction method for hydraulic engineering, which has the following beneficial effects:
1. according to the invention, the surface soil is stripped, the slope surface is leveled, the stability of the base layer is ensured, and the influence of the growth of internal plants on the slope protection is reduced; the peeled soil is stacked in a centralized way and recycled, so that the influence on the environment is reduced, and the concept of green engineering and ecological engineering is met.
2. According to the invention, the bottom supporting body is constructed to resist the downward sliding of the soil layer, so that the stability of the slope surface is improved; the broken stone base course is laid, the strength of the base course matrix is improved, and the anti-slip effect of the slope is enhanced.
3. According to the invention, the inner grouting pipe is arranged in the slope body, so that the integral strength of the slope protection is enhanced; the hole-making is fixed by matching with an interlocking block, so that the stability is further improved.
The invention ensures the stability of the base layer, reduces the influence of plants, recycles soil, reduces the influence on the environment and conforms to the concepts of green engineering and ecological engineering; the bottom layer support body improves the stability of the slope; the macadam base course improves the strength of the bottom base body and enhances the anti-skid effect.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows; and in part will be apparent to those skilled in the art upon examination of the following; or may be learned by the practice of the invention.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic view of the slope protection structure of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, a river course revetment paving construction method for hydraulic engineering comprises the following steps: slope cutting, slope bottom reinforcement, macadam base layer laying, soil layer laying, inner grouting pipe laying, slurry conveying pipe laying, concrete layer laying, hole forming, interlocking block laying and grouting.
S1, slope cutting.
Before slope protection laying, site cleaning work is carried out; the topsoil was peeled off using a hydraulic backhoe.
Stripping the surface soil by 40-60 cm; to remove the loose soil on the surface and the root system of the plant. Guarantee the stability of basic unit to reduce the influence of inside vegetation to the bank protection.
And (5) matching with a transport vehicle, conveying the peeled soil to a collection field, and stacking in a centralized manner for later use.
And then, leveling the slope surface.
In the process of flattening the slope surface, the high-precision requirement is not required; no large depression or protrusion is required.
And spreading quicklime on the surface of the soil layer after leveling.
And S2, reinforcing the slope bottom.
Excavating a vertical surface at the slope bottom to construct a bottom layer supporting body; to resist the slip of the soil layer.
Wherein the height of the excavation vertical surface is 1/5 to 1/4 of the vertical height of the protection slope; to ensure that a sufficient anti-landslide effect is produced.
Specifically, a forklift and a hydraulic backhoe device are used at the bottom of the slope to trim the bottom of the slope; the slope surface at the bottom of the water tank is dug out, and a vertical face segment is formed inwards.
Building block stones on the outer side of the vertical surface in concrete, and densely filling the side, which is in contact with the excavated vertical surface, of the block stones; the upper surface layer of the steel sheet is superposed with the slope surface.
In the building process, attention is paid to matching of large and small stones, and concrete is fully filled among the stones so as not to generate a cavity; the strength of the support body is ensured.
And S3, paving a gravel base layer.
Uniformly paving stone materials on the slope surface; wherein, stone with the grain diameter of 2 to 10 cm is adopted.
Paving a layer of stone to cover the slope; the strength of the bottom substrate is improved, and the anti-skid effect of the slope is enhanced.
And S4, laying a soil layer.
And laying soil on the gravel base layer and compacting.
Wherein the thickness of the laid soil is 20 to 30 centimeters.
Preferably, dry, screened soil is used; during the laying process, water is properly sprayed and rolling is fully carried out.
Preferably, the geotextile is paved on the broken stone base layer before the soil layer is paved.
S5, arranging an inner grouting pipe.
Installing an inner grouting pipe on the slope body; wherein the grouting pipe extends inwards by 50-80 cm perpendicular to the slope; the outer wall of the grouting pipe is uniformly provided with through holes.
For the installation of the grouting pipe, direct pressing or drilling and then inserting can be adopted.
The grouting pipes are uniformly distributed, and the arrangement quantity is properly encrypted or reduced according to the specific geological condition of the slope.
Preferably, the grid structure is 1 to 2 meters.
And S6, distributing a slurry conveying pipe.
And a slurry conveying pipe is arranged along the slope body and communicated with the inner slurry injecting pipe.
Wherein, the top end of the slurry conveying pipe extends out of the slope top, and is provided with a blocking component for temporary blocking; the bottom end of the slurry feeding pipe extends to the slope bottom.
One side of the slurry conveying pipe is provided with an opening which is communicated with the inner slurry injection pipe.
Wherein, a hose connection can be adopted; or an external thread pipe is arranged on one side of the slurry conveying pipe and the outer end of the internal slurry pipe and is connected through a connecting sleeve.
And S7, paving a concrete layer.
Spreading concrete and burying the slurry conveying pipe therein.
The thickness of the concrete is designed according to the height, the inclination and the like of the slope; and the requirements on relative strength of the revetment and design specifications are met.
And S8, forming holes.
And after the concrete is cured to the designed strength, forming holes on the concrete surface according to the set position of the slurry conveying pipe, and penetrating into the slurry conveying pipe.
Further, a groove is arranged on the surface of the concrete; the groove is communicated with the pore-forming hole; meanwhile, the positions of the grooves are matched according to the design of the interlocking blocks in the subsequent steps.
Specifically, the groove can be arranged in the paving process or after the maintenance is finished.
Wherein, in the paving process, a groove is formed on the concrete surface by using a template.
Or, after the later maintenance is finished, cutting grooves on the concrete surface.
The depth of the groove is 5 to 10 centimeters.
And S9, paving an interlocking block.
And paving interlocking blocks on the concrete layer.
Wherein, the bottom surface of the interlocking block is provided with a cavity, and the position of the cavity corresponds to the position of the groove; custom interlocking blocks may be used, or a cavity structure may be provided on an existing interlocking block.
Correspondingly, interlocking blocks with a central void may also be used; the vacant part is corresponding to the groove.
And S10, grouting.
Grouting is carried out through a slurry conveying pipe.
And before grouting, geotextile is laid on the interlocking blocks and covers a soil layer to generate pressure on the interlocking blocks and block slurry from flowing outwards.
The soil layer can be directly made of soil peeled by slope cutting process.
Pumping slurry into the slurry feeding pipe through the top; part of the slurry enters the slope body through the inner slurry injection pipe, so that the integral strength of the slope protection is enhanced; the other part flows out through the pore-forming of the concrete layer and enters the interlocking blocks, the interlocking blocks and the concrete layer to fix the interlocking blocks.
The slurry conveying pipe may have isolating plate structure in the middle part, one part communicated to the inner slurry injecting pipe and the other part communicated to the hole forming pipe for matching different slurry injecting pressures.
Similarly, two groups of slurry feeding pipes can be arranged; the inner grouting pipe and the pore-forming are respectively communicated.
And after grouting is finished, cutting off the exposed part of the grouting head.
In the invention, the surface soil is stripped and the slope surface is leveled, so that the stability of the base layer is ensured, and the influence of the growth of internal plants on the slope protection is reduced; the peeled soil is stacked in a centralized manner and recycled, so that the influence on the environment is reduced, the concept of green engineering and ecological engineering is met, the bottom support body is constructed, the soil layer is resisted from sliding down, and the stability of the slope is improved; the gravel base layer is laid, so that the strength of the base layer matrix is improved, and the anti-sliding effect of the slope surface is enhanced; an inner grouting pipe is arranged in the slope body to enhance the integral strength of the slope protection; the hole forming is matched with an interlocking block for fixing, so that the stability is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A river course revetment paving construction method for hydraulic engineering is characterized by comprising the following steps:
s1, slope cutting: stripping surface soil and leveling the slope;
s2, slope bottom reinforcement: excavating a vertical surface at the slope bottom, and constructing a bottom layer supporting body;
s3, paving a gravel base layer: uniformly paving stones on the slope;
s4, soil layer paving: paving soil and compacting;
s5, arranging an inner grouting pipe: installing an inner grouting pipe on the slope body;
s6, laying a slurry conveying pipe: a slurry conveying pipe is arranged along the slope body and communicated with the inner slurry injecting pipe;
s7, paving a concrete layer: spreading concrete;
s8, pore forming: forming holes on the concrete surface, and penetrating the holes to a slurry conveying pipe;
s9, paving an interlocking block: laying interlocking blocks on the concrete layer;
s10, grouting: grouting through a slurry conveying pipe;
wherein, a groove is arranged on the surface of the concrete;
in step S7, forming a groove on the concrete surface using a form; or, in step S8, cutting a groove in the concrete surface;
in the step S9, a cavity is arranged on the bottom surface of the interlocking block, and the position of the cavity corresponds to the position of the groove;
in step S10, geotextile is laid on the interlocking blocks before grouting, and a soil layer is covered.
2. The method for laying and constructing the river channel revetment for hydraulic engineering according to claim 1, wherein in step S1, covering soil is peeled off from 40 to 60 cm and is stacked in a concentrated manner.
3. The river course revetment paving construction method for the water conservancy project according to claim 1, wherein in the step S2, the height of the excavated vertical plane is 1/5 to 1/4 of the vertical height of the revetment;
and building the rock blocks on the outer side of the vertical surface by using concrete, wherein the surface layer is superposed with the slope surface.
4. The method as claimed in claim 1, wherein in step S3, stones of 2 to 10 cm in diameter are used.
5. The method according to claim 1, wherein in step S4, geotextile is spread before soil layer is laid;
the thickness of the laid soil is 20 to 30 cm.
6. The method for laying and constructing the river channel revetment for hydraulic engineering according to claim 1, wherein in step S5, the grouting pipe extends inward from 50 to 80 cm perpendicular to the slope surface;
through holes are uniformly formed in the outer wall of the grouting pipe.
7. The method of claim 1, wherein in step S6, the top end of the slurry pipe extends out of the top of the slope and is provided with a blocking member.
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| CN202111314131.3A CN113832917B (en) | 2021-11-08 | 2021-11-08 | River course revetment laying construction method for hydraulic engineering |
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| CN114703874B (en) * | 2022-04-15 | 2024-04-30 | 内蒙古满世煤炭集团点石沟煤炭有限责任公司 | Anti-slip slope structure of strip mine dumping site and construction method thereof |
| CN115262308B (en) * | 2022-08-04 | 2023-09-05 | 保利长大工程有限公司 | Carbonaceous mudstone low-permeability surrounding rock roadbed and grouting equipment |
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| JPH10306449A (en) * | 1997-05-05 | 1998-11-17 | Masayoshi Sato | Slope protection method and lightweight hollow concrete block |
| CN103614989A (en) * | 2012-08-22 | 2014-03-05 | 云南中技管桩有限公司 | Prefabricated concrete ecological dike dam (slope) component |
| CN209243671U (en) * | 2018-11-08 | 2019-08-13 | 洛阳水利勘测设计有限责任公司 | A kind of rigid slope protection of complex condition |
| CN210315400U (en) * | 2019-06-27 | 2020-04-14 | 深圳市豪科园林有限公司 | Deep and steep pit wading slope reinforcing structure |
| CN111074844A (en) * | 2019-12-20 | 2020-04-28 | 湖北锦天禹建设工程有限公司 | Construction method of ecological interlocking revetment of river channel |
| CN210857112U (en) * | 2019-09-06 | 2020-06-26 | 高斌 | Hidden water conservancy slope protection structure |
| CN211849277U (en) * | 2020-02-17 | 2020-11-03 | 江苏省工程勘测研究院有限责任公司 | Hydraulic engineering side slope reinforcement system |
-
2021
- 2021-11-08 CN CN202111314131.3A patent/CN113832917B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306449A (en) * | 1997-05-05 | 1998-11-17 | Masayoshi Sato | Slope protection method and lightweight hollow concrete block |
| CN103614989A (en) * | 2012-08-22 | 2014-03-05 | 云南中技管桩有限公司 | Prefabricated concrete ecological dike dam (slope) component |
| CN209243671U (en) * | 2018-11-08 | 2019-08-13 | 洛阳水利勘测设计有限责任公司 | A kind of rigid slope protection of complex condition |
| CN210315400U (en) * | 2019-06-27 | 2020-04-14 | 深圳市豪科园林有限公司 | Deep and steep pit wading slope reinforcing structure |
| CN210857112U (en) * | 2019-09-06 | 2020-06-26 | 高斌 | Hidden water conservancy slope protection structure |
| CN111074844A (en) * | 2019-12-20 | 2020-04-28 | 湖北锦天禹建设工程有限公司 | Construction method of ecological interlocking revetment of river channel |
| CN211849277U (en) * | 2020-02-17 | 2020-11-03 | 江苏省工程勘测研究院有限责任公司 | Hydraulic engineering side slope reinforcement system |
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