CN215593874U - A concrete structure of encorbelmenting that is used for river levee flood control wall indent position - Google Patents
A concrete structure of encorbelmenting that is used for river levee flood control wall indent position Download PDFInfo
- Publication number
- CN215593874U CN215593874U CN202120490897.6U CN202120490897U CN215593874U CN 215593874 U CN215593874 U CN 215593874U CN 202120490897 U CN202120490897 U CN 202120490897U CN 215593874 U CN215593874 U CN 215593874U
- Authority
- CN
- China
- Prior art keywords
- pile foundation
- pier
- decorative plate
- flood
- upper cast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a concrete cantilever structure for a concave position of a river levee flood wall. The system comprises an inner side pile foundation, an outer side pile foundation, a pile foundation bearing platform, a lower pier, an upper cast-in-place plate and an outer side decorative plate; the bottoms of the inner pile foundation and the outer pile foundation are positioned in the rock stratum; the pile foundation bearing platform is arranged on the pile foundation on the outer side and is arranged in a long strip shape along the pedestrian ladder way of the flood control wall; the lower bridge pier is arranged on the pile foundation bearing platform; the upper cast-in-place slab is arranged on the inner side pile foundation and the lower pier; the cast-in-place slab on the upper portion sets up the cast-in-place slab parting of the upper portion every certain length along the road direction of advance; the upper cast-in-situ plate comprises a cantilever section and a counterweight section; the outer decorative plate is arranged along the outer side of the lower pier, and the bottom of the outer decorative plate is arranged on the pile foundation bearing platform; the outer decorative plate is provided with decorative plate parting seams at intervals of certain length along the advancing direction of the road. The utility model has the advantages of realizing road widening without occupying the flood section of the river channel, safe and reliable stress, consistent appearance with the original flood wall, good landscape effect and the like.
Description
Technical Field
The utility model relates to the field of cast-in-place concrete structures in bridge structures, in particular to a concrete cantilever structure for widening roads. The utility model is mainly used for road widening of the concave section of the river bank flood wall.
Background
As the population is gathered in cities, the space of the original urban area is in shortage day by day, and the demand for the reconstruction and expansion of urban municipal infrastructure is increasing day by day.
In consideration of improving flood control capacity, the river roads are much higher than river channels, and flood control walls are often adopted to heighten the outer sides of the roads. With the increasing urban traffic volume, the roads on the inner side of the original river bank flood wall need to be widened to solve the problem of serious road congestion, but due to the limitation of the flood discharge requirement of the river channel, the traditional river channel occupation is adopted for widening, and the requirement is not met. In addition, due to the requirement of entering a river channel, pedestrian terraces are arranged on the original flood control wall at intervals of a certain length to form a concave structure of the river bank flood control wall, and due to the fact that the concave structure of the river bank flood control wall has great particularity, widening means the same as other sections have many difficulties.
Therefore, it is needed to develop a widened structure that does not occupy the recessed position of the river bank flood wall of the river channel.
Disclosure of Invention
The utility model aims to provide a concrete cantilever structure for a concave position of a flood wall of a river bank, which is mainly used for a concave section of the flood wall, wherein an upper structure adopts a cast-in-place slab for pedestrians, a lower structure adopts a pile foundation to realize the forced separation of a new structure and an old retaining wall structure, and the road widening can be realized on the premise of not occupying a flood section of a river channel; in addition, the structure outside adopts outside decorative board to seal, arranges the wash port on the decorative board in order to prevent that flood can't flow in and out the too big water pressure that produces in flood period.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a concrete structure of encorbelmenting for river levee flood control wall indent position, its characterized in that: the system comprises an inner side pile foundation, an outer side pile foundation, a pile foundation bearing platform, a lower pier, an upper cast-in-place plate and an outer side decorative plate;
the bottoms of the inner pile foundation and the outer pile foundation are positioned in the rock stratum;
the pile foundation bearing platform is arranged on the pile foundation on the outer side and is arranged in a long strip shape along the pedestrian ladder way of the flood control wall;
setting upper cast-in-place plate parting at intervals of certain length along the advancing direction of a road on a pile foundation bearing platform;
the lower bridge pier is arranged on the pile foundation bearing platform;
the upper cast-in-place slab is arranged on the inner side pile foundation and the lower pier;
the cast-in-place slab on the upper portion sets up the cast-in-place slab parting of the upper portion every certain length along the road direction of advance;
the upper cast-in-situ plate comprises a cantilever section and a counterweight section; the cantilever section and the counterweight section are of an integrally formed structure; wherein, the cantilever section is cantilevered above the river channel; the counterweight section is arranged on the inner side pile foundation and the lower pier;
the outer decorative plate is arranged along the outer side of the lower pier, and the bottom of the outer decorative plate is arranged on the pile foundation bearing platform;
the outer decorative plate is provided with decorative plate parting seams at intervals of certain length along the advancing direction of the road.
In the technical scheme, the inner side pile foundation is separated from the upper cast-in-place plate, and the felt is arranged between the inner side pile foundation and the upper cast-in-place plate;
one part of the upper cast-in-situ slab is fixedly connected with the lower pier, the other part of the upper cast-in-situ slab is separately arranged from the lower pier, and a felt is arranged between the upper cast-in-situ slab and the lower pier.
The upper part of the cantilever section is provided with a handrail and pavement;
and paving a running lane on the upper part of the counterweight section.
In the technical scheme, the piers/pile caps are respectively arranged on the inner side pile foundation and the lower pier and are positioned below the split of the upper cast-in-place slab;
and a felt is arranged between the pier/pile cap and the upper cast-in-place plate.
In the technical scheme, the upper cast-in-place plate is contacted with the top of the original flood wall;
the waterstop is arranged between the upper cast-in-place plate and the top of the original flood protection wall.
In the technical scheme, an anchoring area is arranged between the lower pier and the outer decorative plate;
an annular stirrup is arranged in the anchoring area; the top of the lower pier and the top of the outer decorative plate are connected into a whole through an annular stirrup.
In the technical scheme, the outer decorative plate is provided with a plurality of water drainage holes.
The utility model has the following advantages:
(1) the utility model relates to a cast-in-place concrete structure applied to an inward concave section of a river levee flood wall; compared with a structural form of occupying a river channel, the utility model adopts the outer cantilever to widen the road, does not need to occupy the river channel and does not influence the flood discharge capacity of the original river channel; the upper structure and the lower structure are partially fixed and partially disconnected, so that the adverse effect of temperature deformation can be effectively prevented; the lower structure of the utility model adopts a pile foundation which passes through the flood control wall and takes the rock stratum as a bearing stratum, so that the load of the upper structure can be transferred to the bottom of the foundation without increasing the stress load of the original flood control wall structure;
(2) the lower structure pile foundation penetrates through the foundation of the flood protection wall to reinforce the original flood protection wall to a certain extent;
(3) the outer decorative plate seals the lower pier to ensure the consistency of the lower pier and the original flood wall structure, and the drainage holes on the outer decorative plate can ensure the river water to enter and exit when the flood rises and falls, so as to prevent overlarge unbalanced water pressure on the inner side and the outer side; the utility model can be constructed by adopting the existing construction method, can be used as a pedestrian platform after the structure is built, is convenient for people to overlook the view, has good landscape effect, can be used as a vehicle platform, is convenient for traffic trip, solves the problem of road congestion, and does not influence the requirement limit of river flood discharge.
The utility model has the functions of driving and walking, realizes the stress separation of the new structure and the old retaining wall structure, realizes road widening on the premise of not occupying the flood section of a river channel, and has the characteristics of safe and reliable stress, consistent appearance with the original flood wall, good landscape effect and the like.
The utility model is mainly suitable for the single-side widening of the concave section of the river bank flood wall and is also suitable for the mode of arranging a new structure on the existing structure (old structure); the upper part of the utility model is a full cast-in-place structure, a full support can be erected for construction, and the integrity is good; the root of the structure is provided with the weight, and the pier at the outer part is fixedly connected with the cast-in-place slab of the upper structure, so that the overturning problem of the cantilever structure can be effectively solved, and the requirement on geological conditions is low; the structure is mainly constructed on the existing retaining wall, and the problem of connection between a new structure and an old structure needs to be considered; the structure adopts the outer decorative plate to protect the structure and improve the landscape, so that the landscape effect is better.
Drawings
FIG. 1 is a floor plan of the present invention.
FIG. 2 is an inside elevational view of the present invention.
FIG. 3 is an outside elevational view of the present invention.
Fig. 4 is a cross-sectional layout of the present invention (without piers/caps).
Fig. 5 is a cross-sectional layout of the present invention (with piers/caps).
FIG. 6 is a structural view of an upper cast-in-place slab according to the present invention.
Fig. 7 is a vertical layout view of the outer decorative panel according to the present invention.
Fig. 8 is a structural view of an anchor region between an outer decorative panel and a lower pier in the present invention.
A in fig. 8 indicates an annular stirrup.
In the figure, 1-inner pile foundation, 2-outer pile foundation, 3-pile foundation cap, 4-lower pier, 5-pier/pile cap, 6-upper cast-in-place plate, 6.1-cantilever section, 6.2-counterweight section, 7-outer decorative plate, 8-railing, 9-sidewalk pavement, 10-lane pavement, 11-asphalt felt, 12-water stop, 13-original flood wall, 13.1-general section of flood wall, 13.2-concave section of flood wall, 13.3-transition section of flood wall, 13.4-pedestrian ladder way of flood wall, 14-ground line, 15-water outlet, 16-anchoring area, 17-other structure connected with cantilever structure, J1-pile foundation gap, J2-upper cast-in-place plate gap, J3-decorative plate gap.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the utility model will be clear and readily understood by the description.
The utility model is mainly used for river levee widening road engineering, and takes into consideration the factors of difficult land acquisition and removal in urban areas, protection of original urban buildings, restriction of flood discharge sections of rivers and the like, the upper structure in the utility model adopts a form of a cast-in-situ overhanging plate type structure on rivers to meet the requirement of road widening, wherein the root part of the overhanging structure extends to a certain position of a lane and has the functions of a lane plate and a ballast weight, and the overhanging part is mainly used for citizens to walk; the utility model adopts an arrangement mode independent of the stress of the old structure (the original flood wall), namely, the lower structure adopts a pile foundation form to realize the purpose of separating the stress of the utility model from the original flood wall; the problems that the structure weight is large and the sedimentation and the stability of the old flood control wall are inevitably influenced if the anti-flood device is directly placed on the flood control wall due to the fact that the anti-flood device is located at the position of the flood control wall, the service life of the flood control wall is long, the stress performance, the durability and the like are difficult to know, and the potential safety hazard is large are solved.
With reference to the accompanying drawings: the concrete cantilever structure for the inner concave position of the flood wall of the river bank comprises an inner side pile foundation 1, an outer side pile foundation 2, a pile foundation bearing platform 3, a lower pier 4, an upper cast-in-place plate 6 and an outer side decorative plate 7;
the lower ends of the inner pile foundation 1 and the outer pile foundation 2 are arranged in the rock stratum; the pile foundation is used as a foundation component and mainly has the main functions of transmitting the load of the upper structure into the rock stratum and preventing the load of the upper structure from acting on the original flood control wall structure, and the pile foundation needs to penetrate through the flood control wall structure, so that the pile foundation is suitable for construction by adopting a rotary drilling machine;
the pile foundation pile cap 3 is arranged on the outer pile foundation 2, and the pile foundation pile cap 3 is supported by the outer pile foundation 2; the pile foundation pile cap 3 is arranged along a pedestrian ladder way (namely, a ground line 14);
the pile foundation bearing platform 3 is arranged in a long strip shape along the advancing direction of a road, and bearing platform parting joints J1 are arranged at intervals to adapt to temperature deformation;
the lower bridge pier 4 is arranged on the pile foundation bearing platform 3;
the upper cast-in-place slab 6 is arranged on the inner side pile foundation 1 and the lower pier 4; the lower pier and the pile foundation are used for supporting the upper cast-in-place slab 6;
upper cast-in-place slab parting J2 is arranged at intervals of certain length along the advancing direction of the road on the upper cast-in-place slab 6 so as to adapt to temperature deformation;
the upper cast-in-situ plate 6 comprises a cantilever section 6.1 and a counterweight section 6.2; the cantilever section 6.1 and the counterweight section 6.2 are of an integrally formed structure; wherein, the cantilever section 6.1 is cantilevered above the river channel and used as a pedestrian passageway, and the upper part is provided with a railing 8 and a sidewalk pavement 9; the counterweight section 6.2 is buried below the running lane, the running lane pavement 10 is paved on the upper part of the counterweight section, and the counterweight section 6.2 is arranged on the inner side pile foundation 1 and the lower part pier 4, has the functions of driving and weight bearing, is used as the main part of the upper and lower part structure connection and is supported by the lower part pier 4 and the inner side pile foundation 1;
the width of the overhanging section sidewalk can reach 5m, so that the use function of the original urban road is greatly expanded;
the outer decorative plate 7 is arranged along the outer side of the lower pier 4, and the outer decorative plate 7 is adopted to seal the lower pier 4, so that a good landscape effect is realized; the problem that the outer side of the lower pier 4 is exposed in a river channel and is inconsistent with the landscape of the original flood wall is solved; the lower bridge pier 4 is sealed at the inner side of the outer decorative plate 7, and the lower bridge pier 4 can be prevented from being washed by the turbulent river water in the flood period to a certain extent;
the bottom of the outer decorative plate 7 is placed on the pile foundation bearing platform 3 and is fixedly connected with the bearing platform 3, and an anchoring steel bar is arranged between the outer decorative plate and the pile foundation bearing platform to strengthen connection;
the outer decorative panel 7 is provided with decorative panel slits J3 at regular intervals in the road advancing direction to accommodate temperature deformation.
Further, the inner side pile foundation 1 is separated from the upper cast-in-place plate 6, and the felt 11 is arranged between the inner side pile foundation 1 and the upper cast-in-place plate 6 to buffer stress;
one part of the upper cast-in-place slab 6 is fixedly connected with the lower pier 4, the other part of the upper cast-in-place slab 6 is arranged separately from the lower pier 4, and a felt 11 is arranged at the separated position between the upper cast-in-place slab 6 and the lower pier 4.
Further, piers/pile caps 5 are respectively arranged on the inner side pile foundation 1 and the lower pier 4 and are positioned below the split J2 of the upper cast-in-situ slab; because the cast-in-place slab needs to be provided with the upper cast-in-place slab parting J2 at intervals along the advancing direction of the road, and the square pier/pile cap 5 is arranged on the inner side pile foundation 1 or the lower pier 4, the supporting area is increased, and the inner side pile foundation 1 or the lower pier 4 at the position of the upper cast-in-place slab parting J2 needs to support the upper cast-in-place slabs 6 on the two sides;
the pier/pile cap 5 is square;
a felt 11 is arranged between the pier/pile cap 5 and the upper cast-in-place plate 6 to buffer the stress.
Further, the upper cast-in-place plate 6 is in contact with the top of the original flood wall 13, the water stop 12 is arranged between the upper cast-in-place plate 6 and the top of the original flood wall 13, and the water stop 12 is arranged between the upper cast-in-place plate 6 and the original flood wall 13 to prevent flood from entering in a flood period.
Further, an anchoring area 16 is arranged between the lower pier 4 and the outer decorative plate 7;
an annular stirrup is arranged in the anchoring area 16; the top of the lower pier 4 and the top of the outer decorative plate 7 are connected into a whole through the annular stirrups, and the stress stability between the lower pier 4 and the outer decorative plate 7 is guaranteed.
Furthermore, a plurality of water drainage holes 15 are formed in the outer decorative plate 7 to ensure smooth water drainage at the inner side and the outer side when the water level rises and falls, and the problem that great water pressure is generated by the difference of water pressure at the inner side and the outer side of the outer decorative plate 7 in a flood period is solved.
In figure 1 the other structure 17 which is to be joined to the overhanging structure (i.e. the structure at the general section 13.1 of the flood wall) is joined to the upper cast-in-place panel 6 at both ends of the upper cast-in-place panel 6.
As can be seen in fig. 3, pile cap 3 is provided with cap parting J1 at regular intervals along the direction of road travel to accommodate temperature deformation.
As can be seen in fig. 7, the outer decorative panel 7 is provided with decorative panel slits J3 at regular intervals in the road advancing direction to accommodate temperature deformation.
The concrete cantilever structure for the concave position of the river bank flood wall comprises the following concrete implementation steps:
the method comprises the following steps: carrying out current road and river course field flat excavation, and constructing an inner pile foundation 1 and an outer pile foundation 2 by rotary drilling;
step two: cutting off the overhigh part at the top of the original flood control wall 13, and leveling the top;
step three: constructing structures such as a pile foundation bearing platform 3, a pier column, a pier/pile cap 5, an outer decorative plate 7 and the like;
step four: constructing a cast-in-place slab of the superstructure, and paying attention to the arrangement of auxiliary components such as a felt 11, a water stop 12 and the like;
step five: implementing the attachment structure.
Other parts not described belong to the prior art.
Claims (7)
1. A concrete structure of encorbelmenting for river levee flood control wall indent position, its characterized in that: the system comprises an inner side pile foundation (1), an outer side pile foundation (2), a pile foundation bearing platform (3), a lower pier (4), an upper cast-in-place plate (6) and an outer side decorative plate (7);
the bottoms of the inner pile foundation (1) and the outer pile foundation (2) are positioned in the rock stratum;
the pile foundation bearing platform (3) is arranged on the outer pile foundation (2) and is arranged in a long strip shape along the pedestrian ladder way (13.4) of the flood control wall;
pile foundation bearing platforms (3) are provided with bearing platform parting joints (J1) at intervals of certain length along the advancing direction of a road;
the lower bridge pier (4) is arranged on the pile foundation bearing platform (3);
the upper cast-in-place slab (6) is arranged on the inner side pile foundation (1) and the lower pier (4);
upper cast-in-place board parting joints (J2) are arranged at intervals of a certain length along the advancing direction of the road on the upper cast-in-place board (6);
the upper cast-in-situ plate (6) comprises a cantilever section (6.1) and a counterweight section (6.2), and the cantilever section (6.1) and the counterweight section (6.2) are of an integrally formed structure; wherein, the cantilever section (6.1) is cantilevered above the river channel; the counterweight section (6.2) is arranged on the inner side pile foundation (1) and the lower pier (4);
the outer decorative plate (7) is arranged along the outer side of the lower pier (4), and the bottom of the outer decorative plate is arranged on the pile foundation bearing platform (3);
the outer decorative plate (7) is provided with decorative plate parting seams (J3) at intervals of certain length along the advancing direction of the road.
2. The concrete cantilever structure for the recessed position of the flood wall of the river bank according to claim 1, wherein: the inner side pile foundation (1) is separated from the upper cast-in-place plate (6), and the felt (11) is arranged between the inner side pile foundation (1) and the upper cast-in-place plate (6);
one part of the upper cast-in-situ slab (6) is fixedly connected with the lower pier (4), the other part of the upper cast-in-situ slab (6) is arranged separately from the lower pier (4), and a felt (11) is arranged between the upper cast-in-situ slab (6) and the lower pier (4).
3. The concrete cantilever structure for the recessed position of the flood wall of the river bank according to claim 2, wherein: the upper part of the cantilever section (6.1) is provided with a railing (8) and a pavement (9);
the upper part of the counterweight section (6.2) is paved with a carriageway pavement (10).
4. The concrete cantilever structure for the recessed position of the flood wall of the river bank according to claim 3, wherein: the pier/pile cap (5) is respectively arranged on the inner side pile foundation (1) and the lower pier (4) and is positioned below the split (J2) of the upper cast-in-situ slab;
a felt (11) is arranged between the pier/pile cap (5) and the upper cast-in-situ plate (6).
5. The concrete cantilever structure for the recessed position of the flood wall of the river bank according to claim 4, wherein: the upper cast-in-place plate (6) is contacted with the top of the original flood wall (13);
the water stop (12) is arranged between the upper cast-in-place slab (6) and the top of the original flood wall (13).
6. The concrete cantilever structure for the recessed position of the flood wall of the river bank according to claim 5, wherein: an anchoring area (16) is arranged between the lower pier (4) and the outer decorative plate (7);
an annular stirrup is arranged in the anchoring area (16); the top of the lower pier (4) and the top of the outer decorative plate (7) are connected into a whole through an annular stirrup.
7. The concrete cantilever structure for the recessed position of the flood wall of the river bank according to claim 6, wherein: the outer decorative plate (7) is provided with a plurality of water drainage holes (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490897.6U CN215593874U (en) | 2021-03-08 | 2021-03-08 | A concrete structure of encorbelmenting that is used for river levee flood control wall indent position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490897.6U CN215593874U (en) | 2021-03-08 | 2021-03-08 | A concrete structure of encorbelmenting that is used for river levee flood control wall indent position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593874U true CN215593874U (en) | 2022-01-21 |
Family
ID=79869868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120490897.6U Active CN215593874U (en) | 2021-03-08 | 2021-03-08 | A concrete structure of encorbelmenting that is used for river levee flood control wall indent position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593874U (en) |
-
2021
- 2021-03-08 CN CN202120490897.6U patent/CN215593874U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105421485B (en) | Construction method of high-fill prefabricated cast-in-situ combined pile slab wall protection structure | |
| CN107558494A (en) | A kind of Underground Station structure and its method of construction | |
| CN111254772A (en) | Large cantilever structure suitable for widening old roads of cliff road sections and construction method | |
| CN112878193A (en) | Suspension bridge channel type anchorage foundation and construction method | |
| CN113215995B (en) | Method for constructing bridge road in narrow space | |
| CN211922133U (en) | Large cantilever structure suitable for widening old road of cliff road section | |
| CN215593874U (en) | A concrete structure of encorbelmenting that is used for river levee flood control wall indent position | |
| CN113668399B (en) | Construction method of half-through tied steel box arch bridge | |
| CN1335433A (en) | Overhead road with composite foundation | |
| KR100592416B1 (en) | How to secure the sidewalk and widen the roadway using concrete retaining wall blocks and truss-shaped pedestals on narrow roads | |
| CN214302989U (en) | Build assembled garage parking on ground additional | |
| CN108867664A (en) | A kind of road based on contrary sequence method changes bridge section foundation pit supporting construction and its construction method | |
| CN215253004U (en) | Novel footpath applied to circular cable tunnel | |
| CN214460593U (en) | Barricade reinforced structure convenient to road surface is widened | |
| CN212200453U (en) | Highway subgrade protective structure | |
| CN110904756B (en) | Construction method of three-layer bridge | |
| CN211772495U (en) | Light embankment structure built on high and steep hillside | |
| CN207295774U (en) | A kind of Underground Station structure | |
| CN113389218A (en) | Retaining wall structure for entrance and exit of road bridge and construction method thereof | |
| CN208717919U (en) | A kind of road based on contrary sequence method changes bridge section foundation pit supporting construction | |
| CN215857760U (en) | Open cut tunnel extension foam concrete backfill structure | |
| CN218894113U (en) | Water seepage prevention upright background retaining wall structure | |
| CN211815239U (en) | Combined construction structure of underground road and ground bridge | |
| CN218175578U (en) | Inverted T-shaped beam is with strengthening section mould number formula telescoping device | |
| CN217758292U (en) | Transition bridge between tunnels under gully landform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |