CN212335895U - Improved generation assembled mountain area river course shore protection structure - Google Patents
Improved generation assembled mountain area river course shore protection structure Download PDFInfo
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- CN212335895U CN212335895U CN202021313180.6U CN202021313180U CN212335895U CN 212335895 U CN212335895 U CN 212335895U CN 202021313180 U CN202021313180 U CN 202021313180U CN 212335895 U CN212335895 U CN 212335895U
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Abstract
The utility model discloses an improved generation assembled mountain river course shore protection structure, include: a plurality of front-row pile foundations which are arranged at the bank side of the mountain river at intervals along the water flow direction; a plurality of rear row pile foundations which are arranged at the bank side of the mountain river at intervals along the water flow direction and are positioned at the rear sides of the front row pile foundations; the soil retaining sheet piles are inserted at the bank side of the mountain river and positioned on the rear side of the upper parts of the front row pile foundations; constructing front guide beams which are arranged on the pile tops of the front row pile foundations and are respectively connected with each front row pile foundation; constructing rear guide beams which are arranged on the pile tops of the rear row of pile foundations and are respectively connected with each rear row of pile foundations; and the assembled retaining wall bearing platform is arranged between the front guide beam and the rear guide beam and supported by the front guide beam and the rear guide beam. The utility model discloses need not build the cofferdam in the mountain area river course, reduced the earthwork excavation in the limited space of river course.
Description
Technical Field
The utility model relates to a water conservancy project bank protection technical field especially relates to an improved generation assembled mountain river course bank protection structure.
Background
At present, the main problems faced by the mountainous river comprehensive treatment project are as follows: 1. the river water level changes greatly; 2. the land area range of the river channel is narrow, and the construction space is limited; 3. rock mountain bodies are often arranged on two sides of the river channel, and large-volume earthwork excavation cannot be carried out; 4. the river course water flow velocity is fast, and the river bottom erodes seriously, and the riverbed side slope is steep. At present, hydraulic buried stone concrete retaining wall retaining walls are mostly adopted in mountain river retaining walls, cofferdams need to be built and retaining walls need to be poured in the mountain river in the construction process, and therefore large-volume soil excavation can be caused, the retaining walls are neither ecological nor economic, and the retaining walls are damaged greatly to the current situation environments of the two banks of the mountain river.
The applicant has therefore made an advantageous search and attempt to solve the above-mentioned problems, in the context of which the technical solutions to be described below have been created.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: aiming at the defects of the prior art, the improved assembly type mountainous area river channel bank protection structure which reduces earthwork excavation, has good ecological property and economical efficiency and avoids damaging the current environments at the two banks of the mountainous area river channel is provided.
The utility model discloses the technical problem that will solve can adopt following technical scheme to realize:
an improved generation assembled mountain river shore protection structure includes:
a plurality of front-row pile foundations which are arranged at the bank side of the mountain river at intervals along the water flow direction;
a plurality of rear row pile foundations which are arranged at the bank side of the mountain river at intervals along the water flow direction and are positioned at the rear sides of the front row pile foundations;
the soil retaining sheet piles are inserted at the bank side of the mountain river and positioned on the rear side of the upper parts of the front row pile foundations;
constructing front guide beams which are arranged on the pile tops of the front row pile foundations and are respectively connected with each front row pile foundation;
constructing rear guide beams which are arranged on the pile tops of the rear row of pile foundations and are respectively connected with each rear row of pile foundations; and
and the assembled retaining wall bearing platform is arranged between the front guide beam and the rear guide beam and supported by the front guide beam and the rear guide beam.
In a preferred embodiment of the present invention, the front row pile foundation and/or the rear row pile foundation are prefabricated square piles or prefabricated PHC tubular piles.
In the utility model discloses a preferred embodiment, a plurality of front row pile foundations adopt half plum blossom shape interval arrangement, and the interval of two adjacent front row pile foundations on the perpendicular to rivers direction is 200mm ~ 600 mm.
In a preferred embodiment of the present invention, the soil retaining sheet pile is formed by splicing a plurality of sheet pile units arranged along the water flow direction.
In a preferred embodiment of the present invention, the retaining sheet pile may be spliced by a combination of a U-shaped sheet pile unit and a Z-shaped sheet pile unit or by a combination of a U-shaped sheet pile unit and a U-shaped sheet pile unit.
In a preferred embodiment of the present invention, the width of the front guide beam and/or the rear guide beam is 0.8m to 1.2 m.
In a preferred embodiment of the present invention, the prefabricated retaining wall bearing platform is formed by assembling a plurality of prefabricated retaining wall bearing platform units along the water flow direction.
In a preferred embodiment of the present invention, the prefabricated retaining wall bearing platform unit is an L-shaped structure formed by a bearing platform bottom plate part and a retaining wall body part integrally prefabricated with the bearing platform bottom plate part.
In a preferred embodiment of the present invention, at least one steel strand tension hole is formed in the bearing platform bottom plate portion and/or the retaining wall body portion of the prefabricated retaining wall bearing platform unit.
In a preferred embodiment of the present invention, the length of the prefabricated retaining wall bearing platform unit is 2m to 5 m.
In a preferred embodiment of the present invention, front and rear supporting and clamping steps are formed on the inner side surfaces of the front and rear guide beams, and front and rear positioning and clamping steps are formed on the front and rear sides of the bottom surface of the fabricated retaining wall platform, respectively; during assembly, the front and rear positioning clamping steps of the assembly type retaining wall bearing platform are supported on the front and rear supporting clamping steps of the front and rear guide beams.
In a preferred embodiment of the present invention, a water stop strip is respectively disposed between the front supporting clamping step of the front guide beam and the front positioning clamping step of the fabricated retaining wall bearing platform and/or between the rear supporting clamping step of the rear guide beam and the rear positioning clamping step of the fabricated retaining wall bearing platform.
In a preferred embodiment of the present invention, the water stop strip is a water-swelling rubber water stop strip.
In a preferred embodiment of the present invention, a rail is disposed on the top of the fabricated retaining wall platform.
Due to the adoption of the technical scheme, the beneficial effects of the utility model reside in that:
1. the utility model adopts the high pile guide beam to carry out construction, and the cofferdam is not required to be built in the river channel of the mountain area;
2. the utility model adopts the cast-in-place guide beam structure combined with the fabricated retaining wall bearing platform, thereby reducing the earthwork excavation in the limited space of the river;
3. the utility model discloses a prefabricated component has energy-concerving and environment-protective, standardized construction, the degree of prefabrication is high, construction speed is fast, reduce the site operation volume, receive natural condition to influence advantage such as little, and the application scene is wide, and the precast concrete assembled construction that impels the water conservancy field has been the trend of great tendency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the end face structure schematic diagram of the improved assembled mountain river bank protection structure of the utility model.
Fig. 2 is the structural schematic diagram of an embodiment of the front row pile foundation and the retaining sheet pile of the present invention.
Fig. 3 is a schematic structural diagram of another embodiment of the front row pile foundation and the retaining sheet pile of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1, there is shown an improved fabricated mountain river bank protection structure including a plurality of front pile foundations 100, a plurality of rear pile foundations 200, soil guard piles 300, front guide beams 400, rear guide beams 500, and a fabricated retaining wall cap 600.
A plurality of front row pile foundations 100 are arranged at the bank of the river in the mountainous area at intervals along the water flow direction. The interval between two adjacent front row piles 100 and the interval in the vertical flowing water direction may be adjusted according to the structural stress and the size of the soil guard sheet pile 300. In this embodiment, the front row pile foundations 100 are arranged at a half-quincunx interval, as shown in fig. 2 and 3, the distance between two adjacent front row pile foundations 100 in the direction perpendicular to the water flow is 200mm to 600 mm. The front pile 100 is preferably a prefabricated square pile or a prefabricated PHC pile.
The plurality of rear pile foundations 200 are arranged at the bank of the mountain river at intervals along the water flow direction and are positioned at the rear sides of the plurality of front pile foundations 100, and the distance between the rear pile foundations 200 and the front pile foundations 100 can be adjusted according to design requirements to determine the width of the fabricated retaining wall bearing platform 600. In this embodiment, the back row pile foundation 200 is preferably a prefabricated square pile or a prefabricated PHC pile.
The retaining sheet pile 300 is inserted at the bank of the mountain river and is positioned at the rear side of the upper part of the front row pile foundations 100. The retaining sheet pile 300 is formed by splicing a plurality of sheet pile units arranged along the water flow direction. Specifically, referring to fig. 2, the retaining sheet pile 300 may be spliced by a combination of U-shaped sheet pile units 310a and Z-shaped sheet pile units 310 b. Referring to fig. 3, the retaining sheet pile 300 is spliced by combining the U-shaped sheet pile units 310c and 310 d.
The front guide beam 400 is constructed on the pile tops of a plurality of front row pile foundations 100 and is respectively connected with each front row pile foundation 100, and the width of the front guide beam can be adjusted between 0.8m and 1.2m according to design requirements.
The rear guide beam 500 is constructed on the pile tops of the plurality of rear row pile foundations 200 and is respectively connected with each rear row pile foundation 200, and the width of the rear guide beam can be adjusted between 0.8m and 1.2m according to design requirements.
The fabricated retaining wall platform 600 is interposed between the front and rear guide sills 400 and 500 and supported by the front and rear guide sills 400 and 500. Specifically, the fabricated retaining wall bearing platform 600 is formed by assembling a plurality of prefabricated retaining wall bearing platform units 610 along the water flow direction, and the length of the prefabricated retaining wall bearing platform units 610 is 2 m-5 m. The prefabricated retaining wall bearing platform unit 610 is an L-shaped structure composed of a bearing platform bottom plate part 611 and a retaining wall body part 612 which is prefabricated and formed integrally with the bearing platform bottom plate part 611.
In order to improve the assembling stability of the fabricated retaining wall bearing platform 600, two steel strand tensioning holes 611a are formed in a bearing platform bottom plate part 611 of the prefabricated retaining wall bearing platform unit 610, and one steel strand tensioning hole 612a is formed in a retaining wall body part 612 of the prefabricated retaining wall bearing platform unit 610; after the plurality of prefabricated retaining wall bearing platform units 610 are placed in place, steel strands are used to penetrate through steel strand tensioning holes 611a in the bearing platform bottom plate parts 611 of the plurality of prefabricated retaining wall bearing platform units 610 and are tensioned, and steel strands are used to penetrate through steel strand tensioning holes 612a in the retaining wall body parts 612 of the plurality of prefabricated retaining wall bearing platform units 610 and are tensioned.
In order to improve the degree of fit between the fabricated retaining wall platform 600 and the front and rear guide rails 400 and 500, front and rear support engaging steps 410 and 510 are formed on the inner side surfaces of the front and rear guide rails 400 and 500, and front and rear positioning engaging steps 601 and 602 are formed on the front and rear sides of the bottom surface of the fabricated retaining wall platform 600, respectively. During assembly, the front and rear positioning and clamping steps 601 and 602 of the fabricated retaining wall bearing platform 600 are supported on the front and rear supporting and clamping steps 410 and 510 of the front and rear guide beams 400 and 500.
Further, water stop bars 700a and 700b are respectively disposed between the front support clamping step 410 of the front guide beam 400 and the front positioning clamping step 601 of the fabricated retaining wall bearing platform 600, and between the rear support clamping step 510 of the rear guide beam 500 and the rear positioning clamping step 602 of the fabricated retaining wall bearing platform 600. In the present embodiment, the water stop strips 700a and 700b are preferably water-swelling rubber water stop strips. This can improve the sealing performance between the fabricated retaining wall platform 600 and the front and rear guide girders 400 and 500.
In addition, a rail 800 is further provided on the top of the fabricated retaining wall platform 600.
The utility model discloses a construction method of improved generation assembled mountain river course shore protection structure, including following step:
step S1, performing revetment slope stability calculation and pile foundation bearing capacity and displacement calculation according to the design specification of the embankment project, and determining the size, the soil penetration depth and the pile spacing of the front row pile foundation 100 and the rear row pile foundation 200 and the size of the fabricated retaining wall bearing platform 600;
step S2, determining the size and the pile length of the retaining plate pile 300 according to the retaining needs of the retaining wall and the pile foundation spacing;
step S3, performing factory subsection prefabrication according to the determined sizes of the front row pile foundation 100 and the rear row pile foundation 200 and the size of the fabricated retaining wall bearing platform 600;
step S4, the front row pile foundation 100 and the rear row pile foundation 200 adopt a pile driving boat to carry out positioning pile sinking construction;
step S5, inserting the retaining sheet pile 300 at the rear side of the front row pile foundation 100;
step S6, casting in situ on the pile tops of the front and rear row pile foundations 100, 200 to form front and rear guide beams 400, 500, and reserving front and rear supporting clamping steps 410, 510 on the front and rear guide beams 400, 500;
step S7, hoisting the assembly type retaining wall bearing platform 600 by using hoisting equipment, so that the front and rear positioning clamping steps 601 and 602 on the bottom surface of the assembly type retaining wall bearing platform 600 respectively correspond to the front and rear supporting clamping steps 410 and 510 on the front and rear guide beams 400 and 500;
step S8, soil backfilling is performed on the region between the retaining sheet pile 300, the fabricated retaining wall bearing platform 600 and the river course side slope line 1.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (14)
1. The utility model provides an improved generation assembled mountain area river course shore protection structure which characterized in that includes:
a plurality of front-row pile foundations which are arranged at the bank side of the mountain river at intervals along the water flow direction;
a plurality of rear row pile foundations which are arranged at the bank side of the mountain river at intervals along the water flow direction and are positioned at the rear sides of the front row pile foundations;
the soil retaining sheet piles are inserted at the bank side of the mountain river and positioned on the rear side of the upper parts of the front row pile foundations;
constructing front guide beams which are arranged on the pile tops of the front row pile foundations and are respectively connected with each front row pile foundation;
constructing rear guide beams which are arranged on the pile tops of the rear row of pile foundations and are respectively connected with each rear row of pile foundations; and
and the assembled retaining wall bearing platform is arranged between the front guide beam and the rear guide beam and supported by the front guide beam and the rear guide beam.
2. The improved fabricated mountainous river bank protection structure as claimed in claim 1, wherein the front row pile foundation and/or the rear row pile foundation are/is prefabricated square piles or prefabricated PHC pipe piles.
3. The improved fabricated mountainous river bank protection structure as claimed in claim 1, wherein the plurality of front row pile foundations are arranged in a half-quincunx spacing, and the distance between two adjacent front row pile foundations in the direction perpendicular to the water flow is 200 mm-600 mm.
4. An improved fabricated mountain river bank protection structure as claimed in claim 1, wherein the said retaining sheet pile is formed by splicing a plurality of sheet pile units arranged along the water flow direction.
5. An improved fabricated mountain river bank protection structure as claimed in claim 4, wherein the retaining sheet piles are spliced by combining U-shaped sheet pile units and Z-shaped sheet pile units or by combining U-shaped sheet pile units and U-shaped sheet pile units.
6. The improved fabricated mountainous river bank protection structure as claimed in claim 1, wherein the width of the front guide beam and/or the rear guide beam is 0.8m to 1.2 m.
7. The improved fabricated mountainous river bank protection structure as claimed in claim 1, wherein the fabricated retaining wall bearing platform is assembled by a plurality of prefabricated retaining wall bearing platform units along the water flow direction.
8. The improved fabricated mountainous river revetment structure of claim 7, wherein said prefabricated retaining wall platform unit is an L-shaped structure formed by a platform bottom part and a retaining wall body part prefabricated integrally with said platform bottom part.
9. The improved fabricated mountainous river bank protection structure as claimed in claim 8, wherein at least one steel strand tensioning hole is provided on a bearing platform bottom plate part and/or a retaining wall body part of the prefabricated retaining wall bearing platform unit.
10. The improved fabricated mountainous river bank protection structure as claimed in claim 7, wherein the length of the prefabricated retaining wall cap unit is 2 m-5 m.
11. The improved fabricated mountainous river bank protection structure as claimed in claim 1, wherein front and rear support clamping steps are formed on inner side surfaces of the front and rear guide beams, and front and rear positioning clamping steps are respectively formed on front and rear sides of a bottom surface of the fabricated retaining wall platform; during assembly, the front and rear positioning clamping steps of the assembly type retaining wall bearing platform are supported on the front and rear supporting clamping steps of the front and rear guide beams.
12. The improved assembled mountainous river revetment structure as claimed in claim 11, wherein a water stop strip is disposed between the front support clamping step of the front guide beam and the front positioning clamping step of the assembled retaining wall bearing platform and/or between the rear support clamping step of the rear guide beam and the rear positioning clamping step of the assembled retaining wall bearing platform.
13. The improved fabricated mountainous river bank protection structure of claim 12, wherein the water stop is a water-swelling rubber water stop.
14. An improved fabricated mountainous river bank protection structure as claimed in any one of claims 1 to 12, wherein a railing is provided on top of the fabricated retaining wall platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021313180.6U CN212335895U (en) | 2020-07-07 | 2020-07-07 | Improved generation assembled mountain area river course shore protection structure |
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| CN202021313180.6U CN212335895U (en) | 2020-07-07 | 2020-07-07 | Improved generation assembled mountain area river course shore protection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733760A (en) * | 2020-07-07 | 2020-10-02 | 上海市水利工程设计研究院有限公司 | Improved assembly type mountain river channel revetment structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733760A (en) * | 2020-07-07 | 2020-10-02 | 上海市水利工程设计研究院有限公司 | Improved assembly type mountain river channel revetment structure and construction method thereof |
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