CN212612252U - Wharf upgrading and transforming structure - Google Patents

Abstract

The utility model provides a wharf upgrading and reconstruction structure, which comprises a plurality of cast-in-place piles, a plurality of first abutments, a plurality of second abutments and a concrete platform; the filling piles penetrate through the in-service wharf panel, a gap exists between each filling pile and the penetrating position of each filling pile, and the top of each filling pile is higher than the top surface of the in-service wharf panel; the first abutments are respectively arranged at the tops of the cast-in-place piles one by one, intervals exist between the bottoms of the first abutments and the top surface of the in-service wharf panel, and every two adjacent first abutments are connected through a second abutment; the top surfaces of all the first abutments and all the second abutments are flush to form concrete supporting surfaces; the concrete platform is laid on the concrete supporting surface. The utility model discloses can accomplish rapidly and reform transform the construction in the upgrading of labour pier, construction cycle is short.

Description

Wharf upgrading and transforming structure

Technical Field

The utility model belongs to harbour construction field especially relates to a structure is reformed transform in pier upgrading.

Background

At labour's pier, especially, operation decades's pier, load such as vertical vehicle, bridge crane bear, the horizontal direction bears the ship to lean on under the mooring force, the storm flows etc. and erode the load, often the concrete pile has ftractureed, and with upper portion longitudinal beam, panel contact segment has appeared flaking off, the reinforcing bar leaks, pile foundation fracture appears even occasionally under the ship striking, pier surface course structure also often has the concrete breakage, the site that the reinforcing bar leaks outward, the pier has unable operation, wait to upgrade and reform transform urgently.

The traditional upgrading and transforming work of the wharf in service is usually realized by combining a hydraulic breaking hammer with manual chiseling, the wharf concrete structure is broken, cut and pushed down from top to bottom, and after concrete blocks falling into water are salvaged, new wharf structures such as longitudinal and transverse beams and panels are rebuilt, even if the concrete strength of the old wharf is operated for decades, the strength is not obviously reduced, the workload and the working difficulty of the wharf dismantling operation are extremely high, multi-function vehicle operation such as the hydraulic breaking hammer, a crane, a hook machine, a forklift and a dumper is realized, the consumption of labor and mechanical cost is high, the working period is long, and many difficulties such as construction safety hazards exist. The construction of a new wharf structure usually needs to install anchor ears or weld corbels on a new pile foundation to serve as stress supporting points, install multiple I-shaped steels, lay wood beams and channel steels again, lay a wood template and then pour the new structure, the construction period is long, the offshore floating crane is used more, the labor consumption is large, particularly, the influence of the height of tidal water on the overwater operation is large, if the height of the bottom of a vertical and horizontal beam of a newly-built wharf is low, the working time of the offshore floating crane is short every day, the time and the construction cost of the traditional upgrading and reconstruction work of the wharf in service are usually high, and the operation interruption of an owner is usually long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pier is upgraded and is reformed transform structure can accomplish rapidly and reform transform the construction at the upgrading of labour pier, and construction cycle is short.

The utility model discloses a realize through following technical scheme:

a wharf upgrading and reforming structure comprises a plurality of cast-in-place piles, a plurality of first abutments, a plurality of second abutments and a concrete platform; the filling piles penetrate through the in-service wharf panel, a gap exists between each filling pile and the penetrating position of each filling pile, and the top of each filling pile is higher than the top surface of the in-service wharf panel; the first abutments are respectively arranged at the tops of the cast-in-place piles one by one, intervals exist between the bottoms of the first abutments and the top surface of the in-service wharf panel, and every two adjacent first abutments are connected through a second abutment; the top surfaces of all the first abutments and all the second abutments are flush to form concrete supporting surfaces; the concrete platform is laid on the concrete supporting surface.

Further, the distance between the first pier and the in-service wharf panel is 15 cm.

Further, the width of first pier and second pier is the same, and both's length is the same with the width of pier panel in service, and the thickness of first pier is greater than the thickness of second pier.

Further, the thickness of the first abutment is 35 cm.

Furthermore, square through holes which are in one-to-one correspondence with the plurality of cast-in-place piles are formed in the face plate of the wharf in service, each cast-in-place pile penetrates through the corresponding square through hole, and the side length of each square through hole is 10cm larger than the diameter of each cast-in-place pile.

Further, the concrete platform includes the concrete layer that the multilayer is laminated in proper order, and the thickness of every layer of concrete layer is less than 50 cm.

Further, the thickness of the concrete layer located uppermost among the plurality of concrete layers was 25 cm.

Furthermore, the top end of the filling pile is an insertion section, the insertion section is inserted into the first abutment, and the length of the insertion section is not less than 10 cm.

Furthermore, a plurality of filling piles are arranged at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the construction of newly-built wharf structure is carried out by using the in-service wharf panel as a construction platform, the new wharf and the old wharf are separated by using the cast-in-place piles, the first abutment and the second abutment, the new wharf and the old wharf form an independent load transfer system, and the in-service wharf panel and the old pile foundation do not bear operation load, so that a large amount of work of dismantling the in-service wharf panel structure and the pile foundation can be avoided, the construction time and workload of upgrading and modifying the in-service wharf can be greatly reduced, the construction period is greatly shortened, the upgrading and modifying efficiency of the in-service wharf is improved, the construction cost is reduced, and the operation interruption time caused by upgrading and modifying the wharf; and the whole construction process changes the over-water construction into land construction, thereby ensuring the safety of construction operation and greatly saving labor time and mechanical shift.

Drawings

Fig. 1 is a schematic structural view of the upgrading and reforming structure of the wharf of the present invention;

fig. 2 is a schematic structural view of the in-service wharf of the present invention.

In the figure, 1-in-service wharf deck, 11-foundation pile, 12-concrete surface layer, 13-filling layer, 2-cast-in-place pile, 3-first abutment, 4-second abutment and 5-concrete platform.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of the upgrading and reforming structure of the wharf of the present invention. A wharf upgrading and reconstruction structure comprises a plurality of cast-in-place piles 2, a plurality of first abutments 3, a plurality of second abutments 4 and a concrete platform 5; a plurality of cast-in-place piles 2 penetrate through the in-service wharf panel 1, a gap exists between each cast-in-place pile 2 and the penetrating position of each cast-in-place pile 2, and the top of each cast-in-place pile 2 is higher than the top surface of the in-service wharf panel 1; the first abutments 3 are respectively arranged at the tops of the cast-in-place piles 2 one by one, a gap is reserved between the bottom of each first abutment 3 and the top surface of the in-service wharf panel 1, and every two adjacent first abutments 3 are connected through a second abutment 4; the top surfaces of all the first abutments 3 and all the second abutments 4 are flush to form a concrete supporting surface; the concrete platform 5 is laid on the concrete supporting surface.

Referring to fig. 2, fig. 2 is a schematic structural diagram of an in-service wharf according to the present invention. All structures on the top of the wharf panel 1 in service are crushed by a hydraulic crushing hammer, such as a concrete surface layer 12, a coral soil filling layer 13, reinforcing steel bars and the like, and the crushed waste materials are loaded to a dump truck by a hook machine and transported away, so that the flat wharf panel 1 in service is exposed. Constructing a plurality of cast-in-place piles 2 on the in-service wharf panel 1, wherein the cast-in-place piles 2 are constructed by the following steps: embedding a pile casing, drilling, hoisting a reinforcement cage, cleaning holes and pouring concrete. The cast-in-place pile 2 is constructed by taking the in-service wharf panel 1 as a construction platform, so that the safety of construction operation is ensured, and meanwhile, labor consumption and mechanical shift can be greatly saved. Each cast-in-place pile 2 is spaced from its penetration, and the top of each cast-in-place pile 2 is higher than the top surface of the in-service wharf deck 1, specifically, the top of each cast-in-place pile 2 is 35cm higher than the top surface of the in-service wharf deck 1.

In one embodiment, several cast-in-place piles 2 are arranged equidistantly between them. When the cast-in-place pile 2 is constructed, a plurality of first rectangular regions are divided on the in-service wharf panel 1 in advance, the plurality of first rectangular regions are distributed at equal intervals along the length direction of the in-service wharf panel 1, and the length of each first rectangular region is the same as the width of the in-service wharf panel 1. The first rectangular area should avoid as much as possible the foundation piles 11 below the in-service quay panel 1. A plurality of first rectangular areas correspond to a plurality of cast-in-place piles 2 one by one, a square through hole is formed in the center of each first rectangular area on a wharf panel 1 in service, namely the center of each square through hole coincides with the center of each first rectangular area, so that the plurality of square through holes correspond to the plurality of cast-in-place piles 2 one by one, each cast-in-place pile 2 penetrates through the corresponding square through hole, the side length of each square through hole is 10cm larger than the diameter of each cast-in-place pile 2, and the center of the cross section of a pile casing of each cast-in-place pile 2 and the center of each square through hole are located on the.

Installing lateral formworks in the circumferential direction of each first rectangular area on the serving wharf panel 1, wherein the lateral formworks are four steel formworks and have the height of 50cm, the four steel formworks enclose four side faces of a rectangular body, paving a sand layer, a wood formwork layer and a plastic film in the lateral formworks in sequence, pouring concrete into the lateral formworks, dismantling the lateral formworks after the age of the concrete in the lateral formworks meets the requirement of 28 days, spraying the sand layer by using a high-pressure water gun, hooking and dragging a hardwood formwork and stripping the plastic film, and forming a gap between the first pier 3 and the serving wharf panel 1. In an embodiment, the distance between the first abutment 3 and the in-service quay panel 1 is 15 cm. In one embodiment, the first abutment 3 has a thickness of 35 cm. Cast-in-place pile 2 forms a separate structure with first abutment 3 at the top thereof. In one embodiment, the top end of cast-in-place pile 2 is an insertion section, and the insertion section is inserted into first abutment 3, and the length of the insertion section is not less than 10 cm.

Installing a reverse hanging system on two adjacent first piers 3, wherein the reverse hanging system comprises a plurality of pairs of fixed buttresses, the two fixed buttresses in each pair of fixed buttresses are respectively fixed on the corresponding first piers 3, a reverse hanging stress beam is erected on each pair of fixed buttresses, the reverse hanging stress beam is connected with a reverse hanging support beam through a plurality of finish-rolled deformed steel bars, a second wood template layer formed by wood templates is laid above the reverse hanging support beam, and the wood templates and the reverse hanging support beam are vertically arranged; arranging second side formworks at two ends of the second wood formwork layer in the length direction, and pouring concrete in the second side formworks to the top of the first abutment 3; and after the concrete in the second side formwork reaches the designed maintenance period, disassembling the reverse hanging system, wherein the steps of disassembling the finish rolling screw-thread steel, the reverse hanging stress beam, the reverse hanging support beam and the like above the top and below the bottom of the second abutment 4 are all disassembled to form the second abutment 4 bridged between the two adjacent first abutments 3. In an embodiment, the width of the first abutment 3 is the same as that of the second abutment 4, the length of the first abutment 3 is the same as that of the in-service dock panel 1, and the thickness of the first abutment 3 is greater than that of the second abutment 4.

Concrete is poured on the plane formed by the first abutment 3 and the second abutment 4 to form a concrete platform 5 of the new wharf operation load, and the operation load of the new wharf concrete platform 5 is transmitted to the cast-in-place pile 2 through the first abutment 3 and the second abutment 4. In one embodiment, the concrete platform 5 comprises a plurality of sequentially stacked concrete layers, each concrete layer having a thickness of less than 50 cm. The concrete platform 5 adopts layered pouring construction, and is beneficial to controlling cracks of each concrete layer. In one embodiment, the thickness of the uppermost concrete layer in the plurality of concrete layers is 25 cm. This arrangement is also advantageous for crack control of the uppermost concrete layer.

Compared with the prior art, the beneficial effects of the utility model are that: the construction of newly-built wharf structure is carried out by using the in-service wharf panel 1 as a construction platform, the new wharf and the old wharf are separated by using the cast-in-place pile 2, the first abutment 3 and the second abutment 4, the new wharf and the old wharf form an independent load transfer system, and the in-service wharf panel 1 and the old pile foundation do not bear operation load, so that a great deal of work for dismantling the in-service wharf panel 1 structure and the pile foundation can be avoided, the construction time and workload for upgrading and transforming the in-service wharf can be greatly reduced, the construction period is greatly shortened, the upgrading and transforming efficiency of the in-service wharf is improved, the construction cost is reduced, and the operation interruption time caused by upgrading and transforming the wha; and the whole construction process changes the over-water construction into land construction, thereby ensuring the safety of construction operation and greatly saving labor time and mechanical shift.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, so that any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments without departing from the technical solution of the present invention all fall within the scope of the technical solution of the present invention.

Claims (9)

1. A wharf upgrading and reconstruction structure is characterized by comprising a plurality of cast-in-place piles, a plurality of first abutments, a plurality of second abutments and a concrete platform; the plurality of cast-in-place piles penetrate through the in-service wharf panel, a gap exists between each cast-in-place pile and the penetrating position of each cast-in-place pile, and the top of each cast-in-place pile is higher than the top surface of the in-service wharf panel; the first abutments are respectively arranged at the tops of the cast-in-place piles one by one, intervals exist between the bottoms of the first abutments and the top surface of the in-service wharf panel, and every two adjacent first abutments are connected through a second abutment; the top surfaces of all the first abutments and all the second abutments are flush to form concrete supporting surfaces; the concrete platform is laid on the concrete supporting surface.

2. The dock upgrade retrofit structure of claim 1, wherein a distance between said first abutment and an in-service dock face is 15 cm.

3. The dock upgrade and reconstruction structure of claim 1, wherein said first abutment and said second abutment have the same width and the same length as the width of the dock panel in service, and wherein the thickness of said first abutment is greater than the thickness of said second abutment.

4. The dock upgrade retrofit structure of claim 1, wherein a thickness of said first abutment is 35 cm.

5. The wharf upgrading and reconstruction structure of claim 1, wherein a service wharf deck is provided with square through holes corresponding to a plurality of cast-in-place piles one to one, each cast-in-place pile is arranged in the corresponding square through hole in a penetrating manner, and the side length of each square through hole is 10cm larger than the diameter of each cast-in-place pile.

6. The wharf upgrading and rebuilding structure of claim 1, wherein said concrete platform comprises a plurality of sequentially stacked concrete layers, each of said concrete layers having a thickness less than 50 cm.

7. The wharf upgrading retrofitting structure according to claim 6, wherein the thickness of the uppermost concrete layer of the plurality of concrete layers is 25 cm.

8. The wharf upgrading and rebuilding structure of claim 1, wherein the top end of the cast-in-place pile is an insertion section, the insertion section is inserted into the first abutment, and the length of the insertion section is not less than 10 cm.

9. The dock staging retrofit structure of claim 1, wherein the plurality of cast-in-place piles are equally spaced apart.

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