CN211340648U - Compound embankment section structure for flood clearing and flood control of town soft foundation riverway - Google Patents
Compound embankment section structure for flood clearing and flood control of town soft foundation riverway Download PDFInfo
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- CN211340648U CN211340648U CN201921994837.7U CN201921994837U CN211340648U CN 211340648 U CN211340648 U CN 211340648U CN 201921994837 U CN201921994837 U CN 201921994837U CN 211340648 U CN211340648 U CN 211340648U
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Abstract
The utility model provides a double entry dyke section structure for soft basic river course flood clearing branch is controlled in cities and towns, the empty box of one-level and the empty box of second grade link to each other side by side and locate on the bottom plate and all locate the side of meeting water, the empty box of one-level highly is less than the empty box of second grade, the upper portion and the lower part of the empty box outer side wall of one-level are equipped with water hole and gas pocket respectively, and the intussuseption is filled with gravel stone material, the empty box of second grade is the culvert structure. Through setting up the empty box of one-level, the empty box two-stage reinforced concrete step form cavity body of second grade as river course dyke flood control wall, the empty box of one-level is as hydrophilic platform, satisfies the hydrophilic requirement of town dweller leisure, and the empty box of second grade is used for releasing the flood often of meeting for the flood often of meeting must not get into main river course. Due to the adoption of the empty box body section structure, the dead weight load above the foundation slab is greatly reduced, the requirement of the embankment structure on the bearing capacity of the foundation is effectively reduced, the requirement of constructing the flood control wall on the soft foundation is met, and the flood clearing and controlling purpose is realized under the condition of meeting flood frequently.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering, concretely relates to double entry dyke section structure that is used for soft basic river course flood clearing branch in cities and towns to manage.
Background
In recent years, the treatment of urban river channels is well-established in China, and the urban river channel treatment needs to meet the most basic water safety requirements and is endowed with more elements such as water landscape, water ecology, water culture and the like. For seasonal river channels, engineering measures for storing and retaining water in the non-flood season of the river channels are mainly considered in a planning and design stage, and low weirs (rubber dams, hydraulic dams, steel dam gates and the like) are generally built in the river channels in a grading mode to store water, so that river channel water landscape is built. However, in the annual flood season, common small floods enter the main river water landscape area, so that a large amount of silt is deposited on the landscape river, and the workload of dredging after flood is increased.
Meanwhile, for some soft foundation riverways, the bearing capacity of the embankment foundation is low, foundation reinforcement treatment needs to be considered during the section design of the flood control wall, filling and padding layers, pile foundation treatment and the like are conventionally adopted, the foundation treatment cost is high, the construction period is prolonged, and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double entry dyke section structure for soft basic river course flood clearing branch of cities and towns manages overcomes the above-mentioned technical problem that exists among the prior art.
Therefore, the utility model provides a technical scheme as follows:
the duplex embankment section structure for flood clearing and flood control of the town soft foundation riverway comprises a bottom plate, a first-stage empty box body and a second-stage empty box body, wherein the first-stage empty box body and the second-stage empty box body are connected side by side and arranged on the bottom plate and are arranged on the water-facing side, the height of the first-stage empty box body is smaller than that of the second-stage empty box body, water holes and air holes are formed in the upper portion and the lower portion of the outer side wall of the first-stage empty box body respectively, the second-stage empty box body is of a culvert structure, and gravel materials.
When the height H of the second-stage hollow box body is larger than 6m, the back side wall of the second-stage hollow box body is provided with a plurality of buttress rib plates which are arranged at intervals along the water flow direction, and the buttress rib plates are arranged on the bottom plate.
The elevation of the top plate of the first-stage hollow box body is 0.3-0.5m higher than the water level, and the elevation of the top plate of the second-stage hollow box body is higher than the flood level.
The second-stage hollow box body is provided with settlement joints at intervals of 10m in the water flow direction, and 651 type rubber water stop belts and polyethylene closed-cell foam plates are arranged in the settlement joints.
The space L of the rib plates of the buttress is 0.3H-0.5H.
The width B of the buttress rib plate is L/8-L/6 and not less than 0.3 m.
The height of the rib plate of the buttress is 1-1.5m lower than that of the second-level hollow box body, and the width of the top of the rib plate is 1-1.5 m.
The first-stage hollow box body and the second-stage hollow box body are both of reinforced concrete structures.
The utility model has the advantages that:
the utility model provides a double entry dyke section structure for soft basic river course flood clearing branch of cities and towns, through setting up the two-stage reinforced concrete step form cavity body as river course dyke flood control wall, the cavity body divide into the empty box of one-level, the empty box of second grade, and wherein the empty box top of one-level exceeds river course normal water level 0.30m ~0.50m, as hydrophilic platform, satisfies the hydrophilic requirement of town dweller's leisure. The height of the second-stage hollow box body 2 depends on the flood control standard of the river channel, the ceiling height should meet the designed flood level and the safety superelevation, and the hollow box body is used for releasing the flood frequently encountered, so that the flood frequently encountered cannot enter the main river channel.
Due to the adoption of the hollow box body section structure, the dead weight load above the foundation slab is greatly reduced, and the requirement of the embankment structure on the bearing capacity of the foundation is effectively reduced. Through the utility model discloses a dyke section type can realize reducing the ground bearing capacity, satisfies the requirement of building flood control wall at weak ground, realizes the purpose of flood control branch and control under the flood condition often meets simultaneously.
Meanwhile, a buttress rib plate is arranged on the back side wall of the second-stage hollow box body, and the buttress rib plate, the bottom plate and the hollow box body form a buttress hollow box integral structure, so that the integral stability of the structure is ensured when the height H of the second-stage box body is larger (larger than 6.0 m).
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic plan view of an embodiment of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Description of reference numerals:
1. a first-level empty box body; 2. a second-level empty box body; 3. buttress rib plates; 4. the outer side wall of the first-stage hollow box body; 5. a first-level empty box top plate; 6. the outer side wall of the second-stage hollow box body; 7. a second-level empty box top plate; 8. the back side wall of the second-level hollow box body; 9. a main riverbed; 10. a base plate; 11. a tooth impact prevention wall; 12. a water pore; 13. a filler; 14. a bank top road; 15. a guard rail; 16. and (4) exhausting holes.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be noted that, in the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the compound embankment section structure for flood clearing and flood control of soft foundation river in cities and towns described in the present specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1:
the embodiment provides a compound embankment section structure for flood clearing and flood control of a soft foundation river channel in cities and towns, which comprises a bottom plate 10, a first-stage empty box body 1 and a second-stage empty box body 2, wherein the first-stage empty box body 1 and the second-stage empty box body 2 are connected side by side and arranged on the bottom plate 10 and are arranged on the water-facing side, the height of the first-stage empty box body 1 is smaller than that of the second-stage empty box body 2, the upper part and the lower part of the outer side wall 4 of the first-stage empty box body are respectively provided with a water hole 12 and an air hole, the second-stage empty box body 2 is.
Because the section structure of the empty box body is adopted, the dead weight load above the foundation slab 10 is greatly reduced, and the requirement of the embankment structure on the bearing capacity of the foundation is effectively reduced. The first-level empty box body 1 is filled with filling materials 13 (gravel materials) according to the check result of the floating resistance and the skid resistance of the dike, and the dead weight of the section is increased.
For common small flood, the primary empty box body 1 can be used for storing and containing, the flood enters through the water holes 12 at the lower part, and in the flood collecting and storing process, air is discharged through the air outlet holes 16, so that flood clearing and flood control are realized; when the water level is reduced, water in the first-stage empty box body 1 flows out through the water holes 12 and enters the main riverbed 9, and the requirements of riverway water landscape are met.
Moreover, the compound embankment section structure is matched with the barrage, so that flood can be prevented from entering a landscape river channel to scour and damage and silting the landscape river channel under the working condition that the dam is frequently met in a flood season, and the workload of river channel landscape restoration and river bed desilting after flood is increased.
For flood, the flood can be released through the second-level empty box body 2. The embankment section type of this embodiment can realize reducing ground bearing capacity, the purpose of flood control branch under the flood condition of always meeting.
Example 2:
the embodiment provides a compound embankment section structure for flood clearing and flood control of a soft foundation river channel in cities and towns, which comprises a bottom plate 10, a first-stage empty box body 1 and a second-stage empty box body 2, wherein the first-stage empty box body 1 and the second-stage empty box body 2 are connected side by side and arranged on the bottom plate 10 and are arranged on the water-facing side, the height of the first-stage empty box body 1 is smaller than that of the second-stage empty box body 2, the upper part and the lower part of the outer side wall 4 of the first-stage empty box body are respectively provided with a water hole 12 and an air hole, the second-stage empty box body 2 is.
When the height H of the second-stage hollow box body 2 is larger than 6m, the back wall 8 of the second-stage hollow box body is provided with a plurality of counterfort rib plates 3, the plurality of counterfort rib plates 3 are arranged at intervals along the water flow direction, and the counterfort rib plates 3 are arranged on the bottom plate 10.
As shown in fig. 1 and 2, the primary empty box body 1 is positioned on the water-facing side of the dike and serves as a primary cross section of the multiple dike. The top elevation is 0.30 m-0.50 m higher than the normal water level of water storage of the river landscape, the width meets the requirement of hydrophilic passing of residents, the width is generally 1.50 m-2.50 m, and the width is perpendicular to the water flow. Gravel materials are filled in the cavity of the first-level empty box body 1 according to the anti-floating and anti-sliding checking result of the dike, the self weight of the section is increased, and the water inlet 12 is arranged on the outer wall side. The arrows in fig. 1 indicate the direction of water flow.
And the second-stage hollow box body 2 is positioned on the water-facing side of the dike and used as a second-stage section of the compound dike, and the outer side wall 6 of the second-stage hollow box body is connected with the first-stage hollow box body 1. The top elevation is determined according to the designed flood level elevation of the river channel and the safety superelevation, the width is determined according to the flow of the released frequently encountered flood, and the standard of the frequently encountered flood can meet 2-5 years.
And the buttress rib plates 3 are positioned on the downstream side of the dike. The buttress rib plates 3, the bottom plate 10 and the second-level hollow box body 2 form a buttress hollow box integral structure, so that the integral stability of the structure is ensured when the height H of the second-level hollow box body 2 is larger (larger than 6.0 m).
Example 3:
on the basis of embodiment 1, this embodiment provides a compound embankment section structure for flood clearing and flood control of a soft foundation river in a town, wherein a top plate 5 of a primary empty box body is higher than a water level by 0.3-0.5m, and a top plate 7 of a secondary empty box body is higher than a flood level.
The top of the first-level hollow box body 1 is 0.30-0.50 m higher than the normal water level of a river channel, and the first-level hollow box body is used as a hydrophilic platform and meets the requirement of leisure and hydrophilicity of urban residents. The height of the second-stage hollow box body 2 depends on the flood control standard of the river channel, the ceiling height should meet the designed flood level and the safety superelevation, and the hollow box body is used for releasing the flood frequently encountered, so that the flood frequently encountered cannot enter the main river channel.
Example 4:
on the basis of the embodiment 2, the embodiment provides a compound embankment section structure for flood clearing and flood control of a soft foundation river channel in a town, wherein settlement joints are arranged at intervals of 10m in the water flow direction in the secondary hollow box body 2, and a type 651 rubber water stop belt and a polyethylene closed-cell foam plate are arranged in the settlement joints.
As shown in fig. 2, an anti-impact tooth wall 11 is arranged on one side of the bottom plate 10, a bank top road 14 is arranged on the top plate 7 of the second-level empty box body, and a guard rail 15 is arranged at the end of the bank top road 14.
In this embodiment, the distance L between buttress ribs 3 is 0.3H-0.5H.
The width B of the buttress rib plate 3 is L/8-L/6 and not less than 0.3 m.
The height of the buttress rib plate 3 is 1-1.5m lower than that of the second-level hollow box body, and the width of the top of the buttress rib plate is 1-1.5 m.
The first-stage empty box body 1 and the second-stage empty box body 2 are both of reinforced concrete structures.
To sum up, the utility model discloses a set up the two-stage reinforced concrete step form cavity body as river course dyke flood control wall, the cavity body divide into the empty box of one-level 1, the empty box of second grade 2, and wherein the empty box of one-level 1 top exceeds river course normal water level 0.30m ~0.50m, as hydrophilic platform, satisfies the hydrophilic requirement of town dweller's leisure. The height of the second-stage hollow box body 2 depends on the flood control standard of the river channel, the ceiling height should meet the designed flood level and the safety superelevation, and the hollow box body is used for releasing the flood frequently encountered, so that the flood frequently encountered cannot enter the main river channel.
Because the section structure of the empty box body is adopted, the dead weight load above the foundation slab 10 is greatly reduced, and the requirement of the embankment structure on the bearing capacity of the foundation is effectively reduced. Through the utility model discloses a dyke section type can realize reducing the ground bearing capacity, satisfies the requirement of building flood control wall at weak ground, realizes the purpose of flood control branch and control under the flood condition often meets simultaneously.
Meanwhile, the buttress rib plate 3 is arranged on the back side wall of the second-stage hollow box body, and the buttress rib plate 3, the bottom plate 10 and the hollow box body form a buttress hollow box integral structure, so that the integral stability of the structure is ensured when the height H of the second-stage box body is larger (larger than 6.0 m).
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (8)
1. The utility model provides a compound embankment section structure that is used for soft basic river course flood clearing branch of cities and towns, its characterized in that: including empty box (1) of bottom plate (10), one-level and the empty box (2) of second grade, the empty box (1) of one-level and the empty box (2) of second grade link to each other side by side and locate on bottom plate (10) and all locate the side of meeting water, the empty box (1) of one-level highly is less than the empty box (2) of second grade, and the upper portion and the lower part of the empty box outer wall (4) of one-level are equipped with water hole (12) and exhaust hole (16) respectively, the empty box (2) of second grade is the culvert structure, the intussuseption of one-level empty box (1) is filled with the.
2. The compound embankment section structure for flood clearing and flood control of town soft foundation riverways according to claim 1, which is characterized in that: when the height H of the second-stage hollow box body (2) is larger than 6m, a plurality of buttress rib plates (3) are arranged on the back side wall (8) of the second-stage hollow box body, the buttress rib plates (3) are arranged at intervals along the water flow direction, and the buttress rib plates (3) are arranged on the bottom plate (10).
3. The compound embankment section structure for flood clearing and flood control of town soft foundation riverways according to claim 1, which is characterized in that: the elevation of the first-stage hollow box top plate (5) is 0.3-0.5m higher than the water level, and the elevation of the second-stage hollow box top plate (7) is higher than the flood level.
4. The compound embankment section structure for flood clearing and flood control of town soft foundation riverways according to claim 1, which is characterized in that: the second-stage hollow box body (2) is provided with settlement joints at intervals of 10m in the water flow direction, and 651 type rubber water stop belts and polyethylene closed-cell foam plates are arranged in the settlement joints.
5. The compound embankment section structure for flood clearing and flood control of town soft foundation riverways according to claim 2, which is characterized in that: the distance L between the buttress rib plates (3) is 0.3H-0.5H.
6. The compound embankment section structure for flood clearing and flood control of town soft foundation riverways according to claim 5, wherein: the width B of the buttress rib plate (3) is L/8-L/6 and not less than 0.3 m.
7. The compound embankment section structure for flood clearing and flood control of town soft foundation riverways according to claim 2, which is characterized in that: the height of the buttress rib plate (3) is 1-1.5m lower than that of the second-level hollow box body (2), and the width of the top is 1-1.5 m.
8. The compound embankment section structure for flood control and flood diversion of town soft foundation riverways according to any one of claims 1 to 7, wherein: the primary empty box body (1) and the secondary empty box body (2) are both of reinforced concrete structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994837.7U CN211340648U (en) | 2019-11-19 | 2019-11-19 | Compound embankment section structure for flood clearing and flood control of town soft foundation riverway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994837.7U CN211340648U (en) | 2019-11-19 | 2019-11-19 | Compound embankment section structure for flood clearing and flood control of town soft foundation riverway |
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| Publication Number | Publication Date |
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| CN211340648U true CN211340648U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921994837.7U Active CN211340648U (en) | 2019-11-19 | 2019-11-19 | Compound embankment section structure for flood clearing and flood control of town soft foundation riverway |
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| CN (1) | CN211340648U (en) |
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