CN212714780U

CN212714780U - Immersed tube wharf structure with front toe

Info

Publication number: CN212714780U
Application number: CN202021383589.5U
Authority: CN
Inventors: 丁建军; 颜靖
Original assignee: CCCC FHDI Engineering Co Ltd
Current assignee: CCCC FHDI Engineering Co Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-16
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a sinking pipe wharf structure with a front toe, which comprises a sinking pipe, wherein the sinking pipe is used as a wharf main body structure, the sinking pipe is arranged on a foundation bed positioned at the bottom of water, and a cover plate is arranged on the sinking pipe and used as a wharf surface; the sea side and the sea side of the immersed tube are respectively provided with a front wall and a rear wall, the two ends of each immersed tube along the longitudinal direction of the wharf are respectively provided with a side wall, 1-2 warehouse lattices which are longitudinally long along the wharf are arranged in each immersed tube, and backfill is arranged in each warehouse lattice; the upper cover plate is poured on the top of the immersed tube, so that the bin lattice forms a closed structure; a backfill layer is arranged behind the immersed tube. The utility model discloses a take the immersed tube of storehouse check, set up the preceding toe of protrusion at the bottom plate front end of immersed tube, according to pier length reasonable in design immersed tube structure segment length, can fully simplify the construction process, reduce structure section quantity, improve efficiency of construction and construction quality. The vertical seamless wall surface of the immersed tube has high seepage-proofing and leakage-proofing performance and strong durability, is particularly suitable for the construction of the island reef at the open sea, can save the construction cost and is beneficial to saving the construction period.

Description

Immersed tube wharf structure with front toe

Technical Field

The utility model relates to a harbour construction engineering technical field, concretely relates to vertical bearing capacity height, batch production preparation degree height, be particularly useful for the wharf structure of open sea island reef construction.

Background

At present, the gravity wharf is a wharf structure form which is widely distributed and used at home and abroad. The gravity wharf has good durability, strong adaptability to ground overload and loading and unloading process change, mature design and construction experience, and especially has obvious advantages for deep water wharfs. Traditional gravity type structure, like caisson pier, the storehouse check sets up more, and the template is built relatively loaded down with trivial details, and marine transportation and installation are more difficult to and the assembly of attached facility has certain requirement to the construction condition. Therefore, how to improve the construction efficiency, simplify the wharf structure and the construction process, reduce the difficulty of engineering construction, and reduce the construction cost becomes a problem to be urgently researched and solved in the industry.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the defect that prior art exists, provide a vertical bearing capacity height, batch production preparation degree height, wharf structure are simpler, can reduce the immersed tube wharf structure of taking the front toe of the engineering construction degree of difficulty and total cost simultaneously.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a heavy pipe wharf structure of toe before taking, including the immersed tube, the immersed tube is as pier major structure, and the immersed tube setting is provided with the apron on the immersed tube as wharf face on being located submarine foundation bed, its characterized in that: the sea side and the sea side of the immersed tube are respectively provided with a front wall and a rear wall, the two ends of each immersed tube along the longitudinal direction of the wharf are respectively provided with a side wall so as to meet the requirements of floating transportation and inverted filtration, 1-2 bin lattices which are longitudinally through long along the wharf are arranged in the immersed tube according to the requirement of the structural width, the front bin lattice and the rear bin lattice are separated by a partition plate when the front bin lattice and the rear bin lattice are provided, and backfill material is arranged in the bin lattices; the upper cover plate is poured on the top of the immersed tube and is connected with the front wall, the rear wall, the side walls and the partition plates (if any) to form a whole, so that the bin lattice forms a closed structure and can be used as a track beam of the gantry crane; and a backfill layer is arranged behind the immersed tube, and proper compaction treatment is carried out according to the use requirements of the engineering.

Furthermore, the front wall and the rear wall of the immersed tube are flat vertical surfaces, and the thickness of the front wall is greater than that of the rear wall and the partition plate; the connecting corner positions between the top end of the bin lattice and the cover plate and between the bottom end of the bin lattice and the bottom plate are respectively set as reinforcing corners of the chamfering structure, so that a reinforcing stress structure is formed.

The bin lattices are arranged in full length, namely, no partition plate is arranged in a single longitudinal bin lattice along the wharf, and the length of each bin lattice is determined only according to the length of the structural section and is formed by side wall end enclosures at two ends.

The backfill materials in the bin lattices determine the backfill height according to the structural stability of the immersed tube, and the stress of the foundation bed can be reduced by reducing the backfill height under the condition of meeting the structural stability.

Furthermore, the width of the bottom plate of the immersed tube is greater than the total width of the front bin lattice and the rear bin lattice, and the front end of the bottom plate and the front wall extending out of the immersed tube form a front toe; the front toe is of a structure with a thin front end and a thick rear end, namely, the thickness of the bottom plate is gradually reduced forward from the position right below the front wall of the immersed tube to form an inclined structure, so that the anti-toppling performance of the immersed tube can be improved, and the stability of the wharf is improved.

Furthermore, the left side and the right side of the front wall and the rear wall of each immersed tube extend out of the side walls to form cantilever structures, and the cantilever structures of two adjacent immersed tubes are opposite to each other to form a reversed filtering cavity; and crushed stones are filled in the inverted filter cavity to form an inverted filter structure.

Furthermore, the foundation bed is a rock block foundation bed, a leveling layer formed by a broken stone cushion layer or a plain concrete cushion layer is arranged on the foundation bed, and the bottom plate is pressed on the leveling layer, so that the stability of the immersed tube can be improved.

Preferably, the sinking pipe is of a reinforced concrete structure, and the cover plate is of a reinforced concrete structure.

Furthermore, the cover plate at the upper part of the immersed tube is continuously sealed and is also used as a pavement structure of the wharf. A rubber fender is arranged on the sea-facing side of the cover plate so as to facilitate the positioning and buffering of the ship in the process of berthing; can reserve the trench and lay the track according to the functional requirement on the apron, the apron thickness can be adjusted according to the demand of different regional atress and function, for example is equipped with orbital position than not the thickness of establishing orbital position bigger.

The utility model discloses a take the immersed tube of storehouse check, set up the preceding toe of protrusion at the bottom plate front end of immersed tube, according to pier length reasonable in design immersed tube structure segment length, can fully simplify the construction process, reduce structure section quantity, improve efficiency of construction and construction quality. The vertical seamless wall surface of the immersed tube has high seepage-proofing and leakage-proofing performance and strong durability. The auxiliary facilities such as pipe ditches, steel rails, fenders and the like on the wharf surface can be assembled in advance, so that the operation difficulty and the requirements on construction machinery are reduced. The structure is particularly suitable for wharf structures for offshore island reef construction, can save construction cost, and is favorable for saving construction period.

Drawings

Fig. 1 is a schematic elevation view of the present invention;

FIG. 2 is a schematic top view of the structural section of the present invention;

fig. 3 is a schematic top view of the inverted filter chamber of the present invention.

In the figure, a is a sink pipe, 1 is a front wall, 2 is a partition plate, 3 is a rear wall, 4 is a bin lattice, 5 is a reinforcing corner, 6 is a cover plate, 7 is a backfill layer, 8 is a bottom plate, 9 is a leveling layer, 10 is a foundation bed, 11 is a rubber fender, 12 is a rail, 13 is a side wall, 14 is an inverted filter cavity, 15 is a front toe, and 16 is a pipe ditch.

Detailed Description

The invention will be further explained by means of specific embodiments with reference to the accompanying drawings:

in this embodiment, referring to fig. 1 and fig. 2, the sinking pipe wharf structure with front toe includes a sinking pipe a as a wharf main body structure, the sinking pipe a is disposed on a foundation bed 10 located at the bottom of the water, and a cover plate 6 is disposed on the sinking pipe a as a wharf surface; the sea side and the sea side of the immersed tube A are respectively provided with a front wall 1 and a rear wall 3, the two ends of each immersed tube A along the longitudinal direction of the wharf are respectively provided with a side wall 13 to meet the requirements of floating transportation and inverted filtration, 1-2 through long bin lattices 4 along the longitudinal direction of the wharf are arranged in the immersed tube A according to the requirement of the structural width, the number of the through long bin lattices 4 is 2 in the embodiment, the front bin lattice 4 and the rear bin lattice 4 are separated by a partition plate 2, and backfill materials are arranged in the bin lattices 4; the upper cover plate 6 is poured on the top of the immersed tube and is connected with the front wall 1, the rear wall 3, the side walls 13 and the partition plates 2 to form a whole, so that the bin lattices 4 form a closed structure and can also be used as a track beam of a gantry crane; and a backfill layer 7 is arranged behind the immersed tube A, and proper compaction treatment is carried out according to the use requirements of the engineering.

The front wall 1 and the rear wall 3 of the immersed tube A are flat vertical surfaces, and the thickness of the front wall 1 is larger than that of the rear wall 3 and the partition plate; the connecting corner positions between the top end of the bin 4 and the cover plate 6 and between the bottom end of the bin 4 and the bottom plate 8 are respectively set as the reinforcing corners 5 of the chamfer angle structure, so that a reinforcing stress structure is formed, and the bearing capacity of the immersed tube A is improved.

The bin lattices 4 are arranged in a full length mode, namely the partition plates 2 are not arranged in the single longitudinal bin lattices 4 along the wharf, the length of each bin lattice 4 is determined only according to the length of the structure section, and the end enclosures are sealed by the side walls 13 at the two ends. The number of the bin lattices 4 is preferably 1-2, and the bin lattices can be arranged according to the width requirement of the structure.

The backfill in the bin 4 determines the backfill height according to the structural stability of the immersed tube A, and can reduce the stress borne by the foundation bed 10 by reducing the backfill height under the condition of meeting the structural stability.

The width of a bottom plate 8 of the immersed tube A is larger than the total width of the front bin 4 and the rear bin 4, and a front toe 15 is formed at the front end of the bottom plate 8 and extends out of the front wall of the immersed tube A; the front toe 15 is a structure with a thin front end and a thick rear end, namely the thickness of the bottom plate 8 is gradually reduced forward from the right below the front wall 1 of the immersed tube A to form an inclined structure, so that the anti-tipping performance of the immersed tube A can be improved, the stability of the wharf is improved, and meanwhile, the front toe 15 has better anti-breaking performance.

The left side and the right side of the front wall 1 and the rear wall 3 of each immersed tube A extend out of the side wall 13 to form cantilever structures, and the cantilever structures of two adjacent immersed tubes A are opposite to each other to form a reversed filtering cavity 14; the inverted filter cavity 14 is filled with crushed stones to form an inverted filter structure.

The foundation bed 10 is a stone foundation bed, a leveling layer 9 formed by a gravel cushion layer or a plain concrete cushion layer is arranged on the foundation bed 10, and the bottom plate 8 is pressed on the leveling layer 9, so that the stability of the immersed tube A can be improved.

The immersed tube A is of a reinforced concrete structure.

The cover plate 6 on the upper part of the immersed tube A is continuously sealed and is also used as a pavement structure of the wharf. A rubber fender 11 is arranged on the side of the cover plate 6 close to the sea, so that the positioning and buffering in the process of ship berthing are facilitated; the pipe trench 16 can be reserved on the cover plate 6 according to functional requirements, the track 12 can be laid on the cover plate, the thickness of the cover plate 6 can be adjusted according to the stress of different areas and the functional requirements, for example, the thickness of the part provided with the track 12 is larger than that of the part not provided with the track, so that the local stress requirements can be met.

The above detailed description of the present invention is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereto, i.e. all equivalent changes and modifications made in accordance with the scope of the present invention should be covered by the present invention.

Claims

1. The utility model provides a heavy pipe wharf structure of toe before taking, including the immersed tube, the immersed tube is as pier major structure, and the immersed tube setting is provided with the apron on the immersed tube as wharf face on being located submarine foundation bed, its characterized in that: the sea side and the sea side of the immersed tube are respectively provided with a front wall and a rear wall, the two ends of each immersed tube along the longitudinal direction of the wharf are respectively provided with a side wall, 1-2 warehouse lattices which are longitudinally long along the wharf are arranged in each immersed tube, and backfill is arranged in each warehouse lattice; the upper cover plate is poured on the top of the immersed tube and is connected with the front wall, the rear wall and the side walls to form a whole, so that the bin lattice forms a closed structure and is also used as a gantry crane track beam; a backfill layer is arranged behind the immersed tube.

2. The structure of a forward-toe sunken tube pier of claim 1 wherein: the front wall and the rear wall of the immersed tube are flat vertical surfaces, and the thickness of the front wall is greater than that of the rear wall and the partition plate; the bin lattices are divided by the partition plates in the front and the back, and the connection corner positions between the top end of the bin lattice and the cover plate and between the bottom end of the bin lattice and the bottom plate are respectively set as the reinforced corners of the chamfer structure to form a reinforced stress structure.

3. The structure of a forward-toe sunken tube pier of claim 1 wherein: the bin lattices are arranged in full length, namely, no partition plate is arranged in a single longitudinal bin lattice along the wharf, and the length of each bin lattice is determined according to the length of the structure section and is formed by side wall end enclosures at two ends.

4. The structure of a forward-toe sunken tube pier of claim 1 or 2 wherein: the width of the bottom plate of the immersed tube is larger than the total width of the front bin lattice and the rear bin lattice, and the front end of the bottom plate and the front wall extending out of the immersed tube form a front toe; the front toe is of a structure with a thin front end and a thick rear end, namely, the thickness of the bottom plate is gradually reduced forward from the position right below the front wall of the immersed tube to form an inclined structure.

5. The structure of a forward-toe sunken tube pier of claim 1 wherein: the left side and the right side of the front wall and the rear wall of each immersed tube extend out of the side walls to form cantilever structures, and the cantilever structures of two adjacent immersed tubes are opposite to each other to form an inverted filter cavity; and crushed stones are filled in the inverted filter cavity to form an inverted filter structure.

6. The structure of the fore-toed immersed tube wharf of claim 4, wherein: the foundation bed is a rock block foundation bed, a leveling layer formed by a broken stone cushion layer or a plain concrete cushion layer is arranged on the foundation bed, and the bottom plate is pressed on the leveling layer.

7. The structure of a forward-toe sunken tube pier of claim 1 wherein: the immersed tube is of a reinforced concrete structure, and the cover plate is of a reinforced concrete structure.

8. The structure of a forward-toe sunken tube pier of claim 2 wherein: the cover plate at the upper part of the immersed tube is continuously sealed and also serves as a pavement structure of the wharf; a rubber fender is arranged on the sea side of the cover plate to form a positioning and buffering mechanism in the ship berthing process; the cover plate is provided with a pipe ditch in advance and is paved with a track, and the thickness of the part of the cover plate provided with the track is larger than that of the part not provided with the track.