CN212561111U - Approach bridge structure - Google Patents
Approach bridge structure Download PDFInfo
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- CN212561111U CN212561111U CN202020615743.0U CN202020615743U CN212561111U CN 212561111 U CN212561111 U CN 212561111U CN 202020615743 U CN202020615743 U CN 202020615743U CN 212561111 U CN212561111 U CN 212561111U
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Abstract
The utility model provides a bridge approach structure, which consists of a standard section and an expansion section, wherein the central line of the standard section along the width direction and the central line of the expansion section along the width direction are positioned on the same straight line; the standard section is sequentially connected with the expansion section in the mangrove forest area, the standard section in the deepwater area is connected with a wharf, and the expansion section is connected with an island; the expanding section is provided with a first turning angle and a second turning angle; the materials on the wharf enter the expansion section through the standard section and are conveyed to the island through the expansion section. The utility model discloses a design of standard section and expansion section adopts pile foundation beam slab formula structure, realizes the intercommunication of island and pier.
Description
Technical Field
The utility model relates to an approach bridge construction field especially relates to an approach bridge structure among the water transportation engineering.
Background
The island operation means that all the construction, life and office work of a wharf are carried on water, and all materials and materials arrive at the site through sea transportation.
Usually, the island is communicated with the outside through a small river, the width of the river channel is about 20m, and the elevation of the bottom of the river channel is about 1.27 m. The water level elevation of the river channel water is changed between 0m and 3.85 m.
In order to facilitate the communication between the island and the land, it is urgently needed to design an approach bridge between the island and the land, and the island and the land are communicated through the approach bridge.
SUMMERY OF THE UTILITY MODEL
The utility model provides an approach structure, through the design of standard section with enlarge the section, adopt pile foundation beam slab formula structure, realize the intercommunication of island and pier.
Realize the utility model discloses the technical scheme of purpose as follows:
a bridge approach structure comprises a standard section and an expansion section, wherein the center line of the standard section along the width direction and the center line of the expansion section along the width direction are positioned on the same straight line;
the standard section is sequentially connected with the expansion section in the mangrove forest area, the standard section in the deepwater area is connected with a wharf, and the expansion section is connected with an island;
the expanding section is provided with a first turning angle and a second turning angle;
the materials on the wharf enter the expansion section through the standard section and are conveyed to the island through the expansion section.
As a further improvement, the standard section and the expansion section are all erected on the steel pipe pile.
As a further improvement, the upper surface cast-in-place concrete of the steel pipe pile forms a cast-in-place beam, a prestressed hollow slab is installed above the cast-in-place beam, and the upper surface cast-in-place concrete of the prestressed hollow slab forms a cast-in-place surface layer.
As the utility model discloses a further improvement, cast-in-place crossbeam adopts cast-in-place structure, and the hollow slab of prefabricated prestressing force is shelved on cast-in-place crossbeam, and cast-in-place surface course adopts cast-in-place concrete structure, and the thickness of cast-in-place surface course is about 150 mm.
As a further improvement of the present invention, the first turning angle is formed by splicing a first prefabricated special-shaped solid plate group, a second prefabricated special-shaped solid plate group, a first prestressed hollow plate group and a second prestressed hollow plate group;
the first prefabricated special-shaped solid plate group and the second prefabricated special-shaped solid plate group are spliced along the broken line path of the approach bridge, the first prestressed hollow plate group is spliced with the first prefabricated special-shaped solid plate group along the broken line path of the approach bridge, and the second prestressed hollow plate group is spliced with the second prefabricated special-shaped solid plate group along the broken line path of the approach bridge;
the first pre-stressed hollow plate group and the second pre-stressed hollow plate group are positioned on two sides of the first pre-fabricated special-shaped solid plate group and the second pre-fabricated special-shaped solid plate group after being spliced, and the first pre-stressed hollow plate group, the second pre-stressed hollow plate group and the first pre-stressed special-shaped solid plate group are spliced to form a first turning angle of the approach bridge.
As a further improvement of the present invention, the second turning angle is formed by splicing a third prefabricated special-shaped solid plate group, a fourth prefabricated special-shaped solid plate group and a third prestressed hollow plate group;
the third prefabricated special-shaped solid plate group and the fourth prefabricated special-shaped solid plate group are spliced along the broken line path of the approach bridge, the third prefabricated special-shaped hollow plate group is spliced with the fourth prefabricated special-shaped solid plate group along the broken line path of the approach bridge, the third prefabricated special-shaped solid plate group is spliced with the second prefabricated special-shaped hollow plate group, and the third to fourth prefabricated special-shaped solid plate groups and the third prefabricated special-shaped hollow plate group are spliced into a second turning angle of the approach bridge.
As a further improvement of the utility model, the width of the standard section is 10m, and the width of the expanded section is 13.5 m.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a design of standard section and expansion section adopts pile foundation beam slab formula structure, realizes the intercommunication in land area and pier.
Drawings
FIG. 1 is a schematic view of an approach structure;
FIG. 2 is a schematic end view of an approach;
FIG. 3 is a schematic view of a first turning angle;
fig. 4 is a schematic structural view of a second turning angle.
In the figure: 100. a dock; 200. a deepwater zone; 300. a mudflat area; 1. a standard section; 2. an expansion section; 3. steel pipe piles; 4. casting a beam in situ; 5. a prestressed hollow slab; 6. casting a surface layer in situ; 21. a first prefabricated special-shaped solid plate group; 22. a second prefabricated special-shaped solid plate group; 23. a first prestressed hollow plate group; 24. a second prestressed hollow plate group; 31. thirdly, prefabricating a special-shaped solid plate group; 32. a fourth prefabricated special-shaped solid plate group; 33. and a third prestressed hollow plate group.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
the embodiment provides an approach bridge structure, as shown in fig. 1, which is composed of a standard section 1 and an expanded section 2, wherein a central line of the standard section 1 in the width direction and a central line of the expanded section 2 in the width direction are located on the same straight line; the expansion section 2 is positioned in a beach area 300, one part of the standard section 1 along the length direction is positioned in a deep water area 200, the other part is positioned in the beach area 300, the standard section 1 is in direct connection with the expansion section 2, the standard section 1 positioned in the deep water area 200 is connected with a wharf 100, and the expansion section 2 is connected with an island; the expanding section 2 is provided with a first turning angle and a second turning angle; the materials on the wharf 100 enter the expansion section 2 through the standard section 1 and are conveyed to the island through the expansion section 2.
As shown in fig. 2, both the standard section 1 and the enlarged section 2 are erected on the steel pipe pile 3. As shown in fig. 2, a cast-in-place beam 4 is formed by casting concrete in place on the upper surface of the steel pipe pile 3, a prestressed hollow slab is installed above the cast-in-place beam 4, and a cast-in-place surface layer 6 is formed by casting concrete in place on the upper surface of the prestressed hollow slab. In the embodiment, the cast-in-place beam 4 adopts a cast-in-place structure, the prefabricated prestressed hollow slab is placed on the cast-in-place beam 4, the cast-in-place surface layer 6 adopts a cast-in-place concrete structure, and the thickness of the cast-in-place surface layer 6 is about 150 mm.
This embodiment adopts pile foundation beam slab structure. 1-115 # bent frame mud surface elevation is 0 m-1 m, the pile foundation adopts phi 900mm steel pipe piles 3, the total pile number is 345, and all-straight piles are adopted; 116-151 # bent frame mud surface is-1 m to-14.5 m, the pile foundation adopts PHC tubular piles with the diameter of 1000mm, the total number of the piles is 101, and 71 piles with the slope of 8:1 are adopted. The beam adopts a cast-in-place structure, the prefabricated prestressed hollow slab is placed on the beam, the surface layer adopts a cast-in-place concrete structure, and the thickness of the surface layer is 150 mm.
In this embodiment, the standard section 1 and the enlarged section 2 are designed, and a pile-foundation beam-slab structure is adopted, so that the communication between an island and the wharf 100 is realized.
Example 2:
on the basis of the disclosure of embodiments 1 and 2, the present embodiment discloses the structure of the first turning angle and the second turning angle.
As shown in fig. 3, the first turning angle is formed by splicing a first prefabricated special-shaped solid plate group 21, a second prefabricated special-shaped solid plate group 22, a first prestressed hollow plate group 23 and a second prestressed hollow plate group 24; the first prefabricated special-shaped solid plate group 21 and the second prefabricated special-shaped solid plate group 22 are spliced along the broken line path of the approach bridge, the first prestressed hollow plate group 23 is spliced with the first prefabricated special-shaped solid plate group 21 along the broken line path of the approach bridge, and the second prestressed hollow plate group 24 is spliced with the second prefabricated special-shaped solid plate group 22 along the broken line path of the approach bridge; the first pre-stressed hollow plate group 23 and the second pre-stressed hollow plate group 24 are positioned on two sides of the first pre-fabricated special-shaped solid plate group 21 after being spliced with the second pre-fabricated special-shaped solid plate group 22, and the first pre-stressed hollow plate group 22, the second pre-fabricated special-shaped solid plate group 22 and the first pre-stressed hollow plate group 24 are spliced into a first turning angle of the approach bridge.
As shown in fig. 4, the second turning angle is formed by splicing a third prefabricated special-shaped solid plate group 31, a fourth prefabricated special-shaped solid plate group 32 and a third prestressed hollow plate group 33; the third prefabricated special-shaped solid plate group 31 and the fourth prefabricated special-shaped solid plate group 32 are spliced along the broken line path of the approach bridge, the third prefabricated special-shaped solid plate group 33 is spliced with the fourth prefabricated special-shaped solid plate group 32 along the broken line path of the approach bridge, the third prefabricated special-shaped solid plate group 31 is spliced with the second prefabricated special-shaped solid plate group 24, and the third to fourth prefabricated special-shaped solid plate groups 32 and the third prefabricated special-shaped solid plate group 33 are spliced into a second turning angle of the approach bridge.
Each prestressed hollow plate group is formed by splicing a plurality of prestressed concrete hollow plates into a whole in sequence along respective width directions, and the width of the spliced prestressed concrete hollow plates is larger than the length of each prestressed concrete hollow plate.
Each prefabricated special-shaped solid plate group is formed by splicing a plurality of prefabricated solid plates into a special-shaped body along the respective width direction in sequence, and the width of the spliced prefabricated solid plates is larger than the length of the longest prefabricated solid plate.
A plurality of prefabricated solid plates of the first prefabricated special-shaped solid plate group 21 are sequentially spliced from short to long, and a plurality of prefabricated solid plates of the second prefabricated special-shaped solid plate group 22 are also sequentially spliced from short to long; the first turning angle is an obtuse angle. A plurality of prefabricated solid plates of the third prefabricated special-shaped solid plate group 31 are spliced in sequence from long to short; a plurality of prefabricated solid plates of the fourth prefabricated special-shaped solid plate group 32 are sequentially spliced from long to short; the second turning angle is a reflex angle.
When a plurality of prefabricated solid plates of each prefabricated special-shaped solid plate group are spliced, one end of each prefabricated solid plate is aligned, and the other end of each prefabricated solid plate is retracted or extended one by one according to the length condition. The aligning end of each prefabricated special-shaped solid plate group can be spliced with the prestressed hollow plate group; during construction of a first turning angle, the extending end of one prefabricated special-shaped solid plate group is spliced with the extending end of the other prefabricated special-shaped solid plate group; and during the second corner construction, the retraction end of one prefabricated special-shaped solid plate group is spliced with the retraction end of the other prefabricated special-shaped solid plate group.
The first pre-stressed hollow plate group 23 is spliced with the first prefabricated special-shaped solid plate group 21 along the broken line path of the approach bridge, and the second pre-stressed hollow plate group 24 is spliced with the second prefabricated special-shaped solid plate group 22 along the broken line path of the approach bridge; the first pre-stressed hollow plate group 23 and the second pre-stressed hollow plate group 24 are positioned on two sides of the first prefabricated special-shaped solid plate group 21 and the second prefabricated special-shaped solid plate group 22 after being spliced.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An approach bridge structure is characterized by comprising a standard section and an expansion section, wherein the center line of the standard section along the width direction and the center line of the expansion section along the width direction are positioned on the same straight line;
the standard section is sequentially connected with the expansion section in the mangrove forest area, the standard section in the deepwater area is connected with a wharf, and the expansion section is connected with an island;
the expanding section is provided with a first turning angle and a second turning angle;
the materials on the wharf enter the expansion section through the standard section and are conveyed to the island through the expansion section.
2. The access bridge structure of claim 1, wherein the standard section and the enlarged section are both erected on a steel pipe pile.
3. The access structure of claim 2, wherein the cast-in-place beam is formed by casting concrete on the upper surface of the steel pipe pile, the prestressed hollow slab is installed above the cast-in-place beam, and the cast-in-place surface layer is formed by casting concrete on the upper surface of the prestressed hollow slab.
4. The access bridge structure of claim 3, wherein the cast-in-place beam is of a cast-in-place structure, the prefabricated prestressed hollow slab is placed on the cast-in-place beam, the cast-in-place surface layer is of a cast-in-place concrete structure, and the thickness of the cast-in-place surface layer is about 150 mm.
5. The access bridge structure of claim 1, wherein the first turning angle is formed by splicing a first prefabricated profiled solid plate group, a second prefabricated profiled solid plate group, a first prestressed hollow plate group and a second prestressed hollow plate group;
the first prefabricated special-shaped solid plate group and the second prefabricated special-shaped solid plate group are spliced along the broken line path of the approach bridge, the first prestressed hollow plate group is spliced with the first prefabricated special-shaped solid plate group along the broken line path of the approach bridge, and the second prestressed hollow plate group is spliced with the second prefabricated special-shaped solid plate group along the broken line path of the approach bridge;
the first pre-stressed hollow plate group and the second pre-stressed hollow plate group are positioned on two sides of the first pre-fabricated special-shaped solid plate group and the second pre-fabricated special-shaped solid plate group after being spliced, and the first pre-stressed hollow plate group, the second pre-stressed hollow plate group and the first pre-stressed special-shaped solid plate group are spliced to form a first turning angle of the approach bridge.
6. The access bridge structure of claim 1, wherein the second turning angle is formed by splicing a third prefabricated profiled solid plate group, a fourth prefabricated profiled solid plate group and a third prestressed hollow plate group;
the third prefabricated special-shaped solid plate group and the fourth prefabricated special-shaped solid plate group are spliced along the broken line path of the approach bridge, the third prefabricated special-shaped hollow plate group is spliced with the fourth prefabricated special-shaped solid plate group along the broken line path of the approach bridge, the third prefabricated special-shaped solid plate group is spliced with the second prefabricated special-shaped hollow plate group, and the third to fourth prefabricated special-shaped solid plate groups and the third prefabricated special-shaped hollow plate group are spliced into a second turning angle of the approach bridge.
7. An access structure according to any one of claims 1 to 6, wherein the standard section has a width of 10m and the enlarged section has a width of 13.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615743.0U CN212561111U (en) | 2020-04-22 | 2020-04-22 | Approach bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615743.0U CN212561111U (en) | 2020-04-22 | 2020-04-22 | Approach bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212561111U true CN212561111U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020615743.0U Active CN212561111U (en) | 2020-04-22 | 2020-04-22 | Approach bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212561111U (en) |
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- 2020-04-22 CN CN202020615743.0U patent/CN212561111U/en active Active
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