CN112281746A - Novel flood bank structure and construction method thereof - Google Patents
Novel flood bank structure and construction method thereof Download PDFInfo
- Publication number
- CN112281746A CN112281746A CN202011123009.3A CN202011123009A CN112281746A CN 112281746 A CN112281746 A CN 112281746A CN 202011123009 A CN202011123009 A CN 202011123009A CN 112281746 A CN112281746 A CN 112281746A
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- flood control
- box girder
- flood
- control box
- truss
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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
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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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
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/08—Wall dams
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a novel flood control dam structure and a construction method thereof, and belongs to the technical field of flood control dams. The method comprises the following steps of constructing the anti-slide piles, determining the arrangement position of the flood control box girder, drilling a foundation hole on the stable bedrock along the planning direction of the flood control box girder, and hoisting a reinforcement cage in the foundation hole to pour the anti-slide piles: constructing a curtain wall, namely, arranging a row of anti-floating anchor cables in a stable bedrock along the planning direction of a flood control box girder at a certain distance, and performing curtain grouting by taking the anti-floating anchor cables as the center to form the curtain wall; constructing the flood control box girder, binding the curtain wall, the top steel bars of the anti-slide piles and the prefabricated steel reinforcement cage before pouring the flood control box girder, and pouring concrete in the prefabricated steel reinforcement cage to form a whole; installing a flood control truss; laying composite waterproof geotextile. According to the invention, through the composite waterproof geotextile, the curtain wall and the box girder wall toe, the problem that complex interactive rock strata at the bottom of the flood control dike are easy to leak is overcome, and the overall flood control and seepage resistance functions of the flood control dike are improved.
Description
Technical Field
The invention belongs to the technical field of flood control dams, and particularly relates to a novel flood control dam structure and a construction method thereof.
Background
A flood bank refers to a dike constructed to prevent a river from flooding. China has numerous rivers, is a country with frequent flood, and is provided with flood dams in areas with frequent flood in order to guarantee the lives and properties of people. The traditional flood control dam is usually a pile of soil, the soil pile is in a long strip shape, sometimes the soil pile extends for several kilometers along rivers, lakes or oceans, but the flood control and seepage resistant effect is poor, the use stability and the service life of the flood control dam are influenced, and great potential safety hazards exist. Flood banks made of other materials, such as reinforced concrete, have some problems to overcome, but have poor anti-seepage effect in complex and interactive rock formations and high cost.
Therefore, it is important to find a novel flood bank structure with good flood control and anti-seepage effects and a stable structure and a construction method thereof.
Disclosure of Invention
The invention aims to provide a novel flood control dam structure and a construction method thereof, and the novel flood control dam structure is used for river bed flood control.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a construction method of a novel flood bank structure, which comprises the following steps:
step one, the slide-resistant pile construction, confirm that the flood control box girder arranges the position, establish the foundation hole on stabilizing the basement rock along flood control box girder planning direction, hang in the foundation hole and put the steel reinforcement cage and pour the slide-resistant pile, confirm that the curtain wall arranges the position:
step two, constructing a curtain wall, namely determining the construction position of the curtain wall through the position of an anti-slide pile, driving a row of anti-floating anchor cables in a stable bedrock along the planning direction of a flood control box girder according to a certain distance, and performing curtain grouting by taking the anti-floating anchor cables as the center to form the curtain wall;
step three, constructing the flood control box girder, binding the curtain wall, the top steel bars of the anti-slide piles and the prefabricated steel reinforcement cage before pouring the flood control box girder, and pouring concrete in the prefabricated steel reinforcement cage to form a whole;
step four, installing the flood control truss, and fixing the flood control truss along the axial direction of the flood control box girder through bolts;
and fifthly, laying composite waterproof geotextile, and arranging the composite waterproof geotextile on the upstream surfaces of the flood control truss and the flood control box girder.
Furthermore, the flood control truss structure further comprises a heightening truss, and the heightening flood control truss is installed at the top of the flood control truss.
Further, the slide-resistant piles and the curtain walls are constructed simultaneously.
Further, in the first step, the anti-slide pile is hoisted into the foundation hole and then poured and fixed.
Furthermore, three geotextile layers of the composite waterproof geotextile are arranged, and a waterproof membrane and a geogrid are respectively arranged between the two adjacent geotextile layers.
Furthermore, the back surface and the top surface of the flood control truss are both provided with composite waterproof geotextile, the bottom of the water facing surface of the flood control box girder is provided with a box girder wall toe, and the box girder wall toe is coated with the composite waterproof geotextile.
The novel flood bank structure is characterized by being built by the method.
The invention has the following beneficial effects:
the anti-slide piles are arranged at the bottom of the flood control box girder, and the anti-floating anchor cables are arranged on the side close to water, so that the anti-slide piles can resist horizontal water pressure and huge water buoyancy at the bottom of the flood control box girder, and the stability of the overall structure of the flood control dam is improved.
The composite waterproof geotextile, the curtain wall and the box girder wall toe arranged in the invention can overcome the problem that complex interactive rock strata at the bottom of the flood control dike are easy to leak, and can improve the overall flood control and seepage resistance of the flood control dike.
The flood control truss and the hollow flood control box girder are adopted, so that the using amount of concrete and reinforcing steel bars is reduced, the cost can be greatly reduced, the flood control embankment can be heightened according to water level lines, and the flood control requirements of different water level lines of a river channel are met.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a novel flood bank structure;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a layout view of slide resistant piles, curtain walls and anti-floating anchor lines;
FIG. 4 is a cross-sectional view of a curtain wall;
FIG. 5 is a schematic structural view of a flood protection box girder;
FIG. 6 is a schematic view of a flood protection truss;
FIG. 7 is a schematic view of the connection of flood protection trusses;
FIG. 8 is a schematic view of the installation of a flood protection truss;
fig. 9 is a schematic view of the novel flood bank structure after being heightened;
in the drawings, the components represented by the respective reference numerals are listed below:
1-composite waterproof geotextile, 2-anchoring nails, 3-bolt holes and 4-flood control truss; 5-foundation bolts; 6-flood control box girder; 7-hollow layer; 8-anti-slide piles; 9-curtain wall; 10-box beam wall toe; 11-stable bedrock; 12-anti-floating anchor cable; 13-water line; 14-riverbed; 15-geotextile layer; 16-a water-resistant membrane; 17-geogrid; 18-heightening the flood control truss; 19-high strength bolt.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The invention does not need to describe the technical requirements of welding between the reinforcing steel bars, concrete pouring key points, rammed earth, pile foundation construction quality standards and the like, and mainly explains the implementation mode of the structure of the invention.
Referring to fig. 1-7, the present invention is a novel breakwater structure comprising a breakwater structure fixed to a stable bedrock 11 of a river bed 14.
Wherein what mainly combats flood in the flood control structure is flood control box girder 6, and flood control box girder 6 has hollow layer 7.
The flood control box girder 6 has box girder toes 10 at the lower edge of the upper upstream surface.
Wherein flood control case roof beam 6 is fixed in on curtain wall 9, the friction pile 8, and the bottom setting of the friction pile 8 of flood control case roof beam 6 is on stabilizing basement rock 11, wherein is equipped with one row of anti anchor rope 12 that floats in the curtain wall 9, and the one end of anti anchor rope 12 that floats sets up in flood control case roof beam 6, and the other end sets up in stabilizing basement rock 11, consolidates the processing through anti anchor rope 12 to curtain wall 9, improves flood control embankment overall structure stability.
Wherein, the anti-slide piles 8 are arranged in a row along the axial direction of the flood control box girder 6, the positions of the anti-slide piles are adjacent to the back water surface, and the position of the curtain wall 9 is close to the upstream surface of the flood control box girder 6.
The flood control truss 4 is arranged on the flood control box girder 6, and when the water level line 13 in the river exceeds the height of the flood control box girder 6, the flood control truss 4 can be arranged to increase the water retaining height.
The top of the flood control box girder 6 is provided with a mounting hole position, and the flood control truss 4 is fixed on the flood control box girder 6 through foundation bolts 5.
The upstream faces of the flood control truss 4 and the flood control box girder 6 are provided with composite waterproof geotextile 1, and the back face and the top face of the preferable flood control truss 4 are provided with composite waterproof geotextile 1.
The seepage-proofing capacity of the flood bank is increased by arranging the composite waterproof geotextile 1.
Specifically, the composite waterproof geotextile 1 comprises three geotextile layers 15, and a waterproof membrane 16 and a geogrid 17 are respectively arranged between two adjacent geotextile layers 15.
Wherein the waterproof height can be increased again by installing a heightened flood truss 18 on top of the flood truss 4. The heightening flood control truss 18 and the flood control truss 4 are correspondingly provided with bolt holes 3, and the heightening flood control truss 18 and the flood control truss 4 are connected through high-strength bolts 19 matched in the bolt holes 3.
Wherein, the concrete construction mode is as follows: the novel construction method of the flood bank structure comprises the following steps:
step one, 8 construction of slide pile, confirm that flood control box girder 6 arranges the position, establish the foundation hole along 6 planning directions of flood control box girder on stabilizing basement rock 11, hang in the foundation hole and put the steel reinforcement cage and pour slide pile 8, confirm that curtain wall 9 arranges the position:
wherein, the anti-slide pile 8 is hoisted and placed in the foundation hole and then is poured and fixed.
Step two, constructing a curtain wall 9, determining the construction position of the curtain wall (9) through the position of an anti-slide pile (8), arranging a row of anti-floating anchor cables 12 in a stable bedrock 11 along the planning direction of the flood control box girder 6 according to a certain distance, and performing curtain grouting by taking the anti-floating anchor cables 12 as the center to form the curtain wall 9;
specifically, the anti-slide piles 8 and the curtain walls 9 are constructed simultaneously, so that the construction speed can be increased, and the upper ends of the anti-slide piles 8 and the curtain walls 9 are lower than the height of a river bed.
Step three, constructing the flood control box girder 6, binding the top steel bars of the curtain wall 9 and the anti-slide piles 8 with the prefabricated steel reinforcement cage before pouring the flood control box girder 6, and pouring concrete in the prefabricated steel reinforcement cage to form a whole;
wherein, during pouring, the toe 10 of the flood control box girder 6 is poured on the part which is on the water surface and contacts with the riverbed, and the specific position of the toe 10 of the flood control box girder is at the bottom of the water surface of the flood control box girder 6.
Step four, installing the flood control truss 4, and fixing the flood control truss 4 along the axial direction of the flood control box girder 6 through bolts;
the fixing mode is fixed through the foundation bolts 5, and the overall flood control and anti-seepage capacity of the flood bank is improved.
And fifthly, laying the composite waterproof geotextile 1, arranging the composite waterproof geotextile 1 on the upstream faces of the flood control truss 4 and the flood control box girder 6, and overcoming the defect that complex interactive rock strata at the bottom of the flood control dike are easy to leak through the composite waterproof geotextile.
Furthermore, the flood control dam also comprises heightening trusses, namely, when the water level of river water rises, the heightening flood control trusses 18 can be arranged at the tops of the flood control trusses 4, so that the flood control capacity of the flood control dam is increased, and the flood control requirements of different water level lines of the river channel are met.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The novel construction method of the flood bank structure is characterized by comprising the following steps:
step one, constructing anti-slide piles (8), determining the arrangement position of a flood control box girder (6), drilling foundation holes on a stable bedrock (11) along the planning direction of the flood control box girder (6), and hoisting a reinforcement cage in the foundation holes to pour the anti-slide piles (8):
step two, constructing a curtain wall (9), determining the construction position of the curtain wall (9) through the position of an anti-slide pile (8), driving a row of anti-floating anchor cables (12) in a stable bedrock (11) along the planning direction of the flood control box girder (6) according to a certain distance, and performing curtain grouting by taking the anti-floating anchor cables (12) as the center to form the curtain wall (9);
step three, constructing the flood control box girder (6), binding the top steel bars of the curtain wall (9) and the anti-slide piles (8) with the prefabricated steel reinforcement cage before pouring of the flood control box girder (6), and pouring concrete in the prefabricated steel reinforcement cage to form a whole;
step four, installing the flood control truss (4), and fixing the flood control truss (4) along the axial direction of the flood control box girder (6) through bolts;
and fifthly, laying the composite waterproof geotextile (1), and arranging the composite waterproof geotextile (1) on the upstream surfaces of the flood control truss (4) and the flood control box girder (6).
2. The novel construction method of the flood bank structure according to claim 1, further comprising a heightening truss, wherein the heightening truss (18) is installed on the top of the flood truss (4).
3. The novel construction method of a breakwater structure according to claim 1, wherein the slide piles (8) and the curtain walls (9) are constructed simultaneously.
4. The novel construction method of the flood bank structure according to any one of claims 1 to 3, wherein in the step one, the anti-slide piles (8) are hoisted into the foundation holes and then poured and fixed.
5. The novel flood bank structure and the construction method thereof according to claim 1 are characterized in that the composite waterproof geotextile (1) comprises three geotextile layers (15), and a waterproof membrane (16) and a geogrid (17) are respectively arranged between two adjacent geotextile layers (15).
6. The novel construction method of the flood bank structure according to claim 1, wherein the back surface and the top surface of the flood truss (4) are provided with the composite waterproof geotextile (1), the bottom of the flood control box girder (6) facing the water surface is provided with a box girder wall toe (10), and the box girder wall toe (10) is coated with the composite waterproof geotextile (1).
7. The novel flood bank structure is characterized by being built by the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123009.3A CN112281746A (en) | 2020-10-20 | 2020-10-20 | Novel flood bank structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123009.3A CN112281746A (en) | 2020-10-20 | 2020-10-20 | Novel flood bank structure and construction method thereof |
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| CN112281746A true CN112281746A (en) | 2021-01-29 |
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| CN202011123009.3A Pending CN112281746A (en) | 2020-10-20 | 2020-10-20 | Novel flood bank structure and construction method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565937A (en) * | 2008-04-24 | 2009-10-28 | 中国神华能源股份有限公司 | Construction method for Chinese character 'ri' combined dike |
| CN202208904U (en) * | 2011-06-08 | 2012-05-02 | 黄辉 | Semi-mobile combined flood-control dam |
| CN203755250U (en) * | 2014-02-25 | 2014-08-06 | 李建来 | Combination dam for flood protection emergency dealing urgent flood retention |
| US20170002532A1 (en) * | 2013-12-04 | 2017-01-05 | Jiangxi Province Fenghe Yingzao Group Co., Ltd. | Method for river/lake level regulation and water conservancy system |
| CN106567365A (en) * | 2016-11-04 | 2017-04-19 | 梁军 | Earth and rockfill dam longitudinal reinforcement construction method |
| CN109594530A (en) * | 2019-01-28 | 2019-04-09 | 新疆水利水电规划设计管理局 | A kind of thin silt flood control dam new structure |
| CN209703418U (en) * | 2019-01-29 | 2019-11-29 | 柴颖俐 | Assembled flood-control wall |
-
2020
- 2020-10-20 CN CN202011123009.3A patent/CN112281746A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565937A (en) * | 2008-04-24 | 2009-10-28 | 中国神华能源股份有限公司 | Construction method for Chinese character 'ri' combined dike |
| CN202208904U (en) * | 2011-06-08 | 2012-05-02 | 黄辉 | Semi-mobile combined flood-control dam |
| US20170002532A1 (en) * | 2013-12-04 | 2017-01-05 | Jiangxi Province Fenghe Yingzao Group Co., Ltd. | Method for river/lake level regulation and water conservancy system |
| CN203755250U (en) * | 2014-02-25 | 2014-08-06 | 李建来 | Combination dam for flood protection emergency dealing urgent flood retention |
| CN106567365A (en) * | 2016-11-04 | 2017-04-19 | 梁军 | Earth and rockfill dam longitudinal reinforcement construction method |
| CN109594530A (en) * | 2019-01-28 | 2019-04-09 | 新疆水利水电规划设计管理局 | A kind of thin silt flood control dam new structure |
| CN209703418U (en) * | 2019-01-29 | 2019-11-29 | 柴颖俐 | Assembled flood-control wall |
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Application publication date: 20210129 |
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