CN219137366U

CN219137366U - Assembled maintenance channel

Info

Publication number: CN219137366U
Application number: CN202223152693.5U
Authority: CN
Inventors: 盛佳珺; 杨生勇; 曹磊; 陈海峰
Original assignee: CCCC Third Harbor Consultants
Current assignee: Cccc Logistics Planning And Design Institute Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-06-06
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses an assembled maintenance channel, which comprises a plurality of section steel, a plurality of prefabricated bottom plates and a plurality of bolt assemblies, wherein the section steel is arranged on the prefabricated bottom plates; the section steel is pre-embedded on the side surface of the main body structure of the pipe gallery bridge and is longitudinally and sequentially distributed along the main body of the pipe gallery bridge; the prefabricated bottom plates are sequentially distributed on the section steel embedments and fixedly connected with each section steel through the bolt assemblies. This scheme is assembled structure, can hoist and mount the use on site when using, need not to set up humanoid maintenance passageway through widening the crossbeam terminal surface, has reduced engineering cost.

Description

Assembled maintenance channel

Technical Field

The utility model relates to the technical field of engineering construction, in particular to an assembled maintenance channel.

Background

In crude oil gallery engineering, a ship is transported to a rear storage tank area after a dock loading and unloading operation, and a long-distance pipeline is generally required. Some non-land sea areas will build water pile foundation structures to meet the transportation needs. When the pedestrian inspection channel is independently arranged, the method of widening the end face of the cross beam is often adopted, so that the concrete consumption is increased intangibly, the engineering cost is increased, and the use area of the sea area is enlarged.

It can be seen that how to reduce the cost of constructing a manway is a problem to be solved in the art.

Disclosure of Invention

Aiming at the technical problem that the human-shaped overhaul channel in the existing water pile foundation structure has high cost because of independent setting, the aim of the scheme is to provide an assembled overhaul channel which is of an assembled structure and can be used for on-site hoisting in application, the human-shaped overhaul channel is not required to be arranged by widening the end face of a cross beam, the engineering cost is reduced, and the problems in the prior art are well overcome.

In order to achieve the purpose, the utility model provides an assembled maintenance channel which comprises a plurality of section steels, a plurality of prefabricated bottom plates and a plurality of bolt assemblies; the section steel is pre-embedded on the side surface of the main body structure of the pipe gallery bridge and is longitudinally and sequentially distributed along the main body of the pipe gallery bridge; the prefabricated bottom plates are sequentially distributed on the section steel embedments and fixedly connected with each section steel through the bolt assemblies.

Further, the section steel is arranged in an equidistant embedded mode.

Further, the pre-buried elevation of the section steel is determined by subtracting the height of the prefabricated bottom plate from the bridge deck fixed elevation.

Further, the prefabricated width of the prefabricated bottom plate is consistent with the overhanging width of the section steel.

Further, the length of the prefabricated bottom plate is N times of the distance between the embedded section steel, wherein N is an integer and is more than or equal to 2.

Further, the fabricated service aisle further comprises an accessory facility, and the accessory facility is assembled on the prefabricated base plate.

Further, the accessory facility is a railing.

Further, the auxiliary facilities are assembled on the prefabricated bottom plate through embedded parts.

According to the assembled maintenance channel, the components of the maintenance channel are prefabricated uniformly and then assembled, and the man-shaped maintenance channel is arranged by widening the end face of the cross beam, so that the engineering cost is reduced.

Meanwhile, the device can be directly hoisted on site in application, and the installation efficiency is improved.

Drawings

The utility model is further described below with reference to the drawings and the detailed description.

FIG. 1 is a cross-sectional view of an assembled access channel and pipe gallery bridge body structure assembly;

FIG. 2 is a top view of the assembled access channel and pipe gallery bridge body structure assembly;

FIG. 3 is a cross-sectional view of the overall structure of the present fabricated access passage;

fig. 4 is a diagram showing an example of connection between a prefabricated base plate and a section steel in the assembled type maintenance channel.

The following is a description of the components in the drawings:

1. pile foundation 2, cross beam 3, longitudinal beam 4a, prefabricated panel 4b, cast-in-situ surface layer

5. Steel construction piping lane 6, shaped steel 7, prefabricated bottom plate 8, bolt assembly

8a, nuts 8b, bolts 9, accessory facilities 10, structural joints.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

Aiming at the technical problem that the human-shaped overhaul channel in the existing water pile foundation structure has high cost because of independent setting, based on the technical problem, the scheme provides an assembled overhaul channel which can be directly hoisted on site without widening the end face of a cross beam, thereby greatly reducing the construction cost and facilitating the installation.

The assembled maintenance passageway that this scheme provided is applied to pipe corridor bridge major structure, uses with pipe corridor bridge major structure cooperation, consequently, is explained pipe corridor bridge major structure below.

Referring to fig. 1, the main body structure of the pipe gallery bridge is divided into an upper part and a lower part, wherein the lower part main body is a pile foundation 1, and the pile foundation is applied to a bearing layer to bear the use load of the whole upper structure; the upper main body is formed by matching a cross beam 2, a longitudinal beam 3, a superposed panel, a steel structure pipe gallery 5 and the like.

The pile foundation 1 extends into the cross beam 2, a transverse supporting system is formed between the cross beam 2 and the pile foundation 1 after pouring is finished, and then a prefabricated longitudinal beam 3 is installed according to the transverse supporting system to form a longitudinal support; and then installing a prefabricated panel 4a, pouring concrete on the surface of the prefabricated panel 4a to form a cast-in-situ surface layer 4b, thereby completing the installation of the surface layer of the laminated panel, forming a longitudinal supporting system, and finally installing a steel structure pipe gallery 5, auxiliary facilities and the like on the formed surface layer of the laminated panel.

On the basis, the corresponding overhaul channel is arranged on one side of the formed pipe gallery bridge main body.

Further with reference to fig. 1 and 2, the assembled maintenance channel provided in the present scheme is mainly composed of a section steel 6, a prefabricated bottom plate 7 and a bolt assembly 8.

Referring to fig. 3, the section steel 6 in the overhaul channel is synchronously embedded in the cast-in-situ surface layer 4b when the cast-in-situ surface layer 4b in the pipe gallery bridge main body superposition panel is used for building concrete, so that the common casting is completed, and a supporting foundation of the assembled overhaul channel is formed for arranging a corresponding prefabricated bottom plate.

Specifically, the section steel 6 is pre-embedded on the side surface of the cast-in-situ surface layer 4b at equal intervals along the longitudinal direction of the cast-in-situ surface layer 4b, and the main body part of the section steel 6 extends out along the horizontal direction; the thus distributed sections 6 cooperate to form a supporting foundation for the placement of the prefabricated floor 7.

The prefabricated bottom plate 7 in the overhaul channel is directly arranged on a supporting foundation formed by the section steel 6 to form a corresponding overhaul channel surface in a matching way.

Preferably, the prefabricated base plate 7 is formed by prefabricated concrete panels, so that the strength is ensured, the production and the manufacturing are convenient, and the cost is low.

On the basis, the scheme is characterized in that the prefabricated base plate 7 and each section steel 6 are fixedly connected through the bolt assemblies 8.

As a preferred solution, in this solution, two sets of bolt assemblies 8 are used to connect and fix each section steel 6 with the prefabricated bottom plate 7, and at the same time, the two sets of bolt assemblies 8 are preferably distributed on two sides of the prefabricated bottom plate 7, so that the reliability of connection between each section steel 6 and the prefabricated bottom plate 7 can be ensured (as shown in fig. 4).

As a further preferable scheme, in the scheme, each prefabricated bottom plate 7 is simultaneously connected and supported by three section steel 6, so that the stable and reliable arrangement of each prefabricated bottom plate 7 is ensured; and corresponding structural slits 10 are formed between the adjacent prefabricated bottom plates 7 to adapt to the deformation of the whole structure, thereby ensuring the matching reliability between the adjacent prefabricated bottom plates 7.

By way of example, the bolt assembly 8 in this embodiment is mainly composed of a bolt 8a and a nut 8b that are engaged with each other. The bolts 8a are sequentially prefabricated on the bottom plate 7 and the section steel 6 from the surface of the prefabricated bottom plate 7, penetrate out from the bottom surface of the section steel 6, and are fastened by nuts 8b, as shown in fig. 3.

Further, the present example is provided with corresponding auxiliary facilities 9 at the outer end of the prefabricated base plate 7 in its longitudinal direction, which auxiliary facilities 9 are preferably steel rails for maintenance personnel protection.

The assembled maintenance channel formed by the method is used as a supporting foundation to support and fix the prefabricated base plate 7 through the pre-buried section steel 6 so as to form a corresponding maintenance channel surface, and the prefabricated maintenance channel walks from staff. The load carried by the prefabricated base plate 7 will thus be transferred to the piping lane bridge main structure via the section steel 6.

This scheme is when concrete implementation, and shaped steel 6 wherein, prefabricated bottom plate 7 and longeron 3 need be unified prefabrication according to the precast beam of pipe corridor bridge main part, can cooperate the use with pipe corridor bridge main part after prefabricating the assembly.

When the cast-in-situ surface layer 4b is poured in the process of constructing the pipe gallery bridge main body structure, the section steel 6 is pre-buried at equal intervals, and the interval is calculated and determined according to the specification of the selected section steel 6.

Furthermore, the pre-buried elevation of the section steel 6 is determined by deducting the height of the prefabricated bottom plate 7 according to the bridge deck calibration height.

Secondly, the steel section 6 can be preferably formed with an anti-corrosion protection layer on the surface by adopting a hot-dip galvanizing anti-corrosion process, so that the service life of the steel section can be prolonged.

For the prefabricated bottom plate 7 in the scheme, the thickness of the prefabricated bottom plate is calculated according to dead weight and use load, and the prefabricated width is equal to the overhanging width of the steel 6; the prefabricated length may be determined based on the handling capacity.

Based on the scheme, the prefabricated base plate 7 is of an assembled structure, wherein the length of the prefabricated base plate is preferably N times of the distance between the embedded steel sections 6, and N is an integer and is more than or equal to 2; thereby enabling to ensure the stability of the overall structure.

In addition, as a further optimized arrangement, the prefabricated base plate 7 forms corresponding anti-slip protrusions or anti-slip grooves on the surface thereof during the prefabrication process, thus ensuring the safety in the later use.

As an alternative, corresponding anti-slip elements can be directly pre-embedded in the prefabrication process of the prefabrication bottom plate 7, and the anti-slip elements are distributed on the surface of the prefabrication bottom plate 7, so that the anti-slip effect can be achieved.

When the auxiliary facilities 9 in the scheme are implemented, the auxiliary facilities 9 are preferably pre-buried in related embedded parts synchronously when the prefabricated bottom plate 7 is prefabricated, so that subsequent installation and construction are facilitated. The accessory facility is preferably a railing, namely, when the prefabricated bottom plate 7 is prefabricated, the embedded part of the railing 9 is embedded, and after the prefabricated bottom plate 7 is installed, the railing 9 facility is installed.

The assembled maintenance channel formed by the scheme has an assembled structure, so that the concrete of the upper cross beam can be reduced, and the construction cost is reduced; secondly, the device is of a suspended structure, and does not occupy sea area; meanwhile, the construction is convenient, the on-site hoisting can be directly carried out, and the method is quick and simple; in addition, if meet pipe gallery peripheral road and widen the function such as merge road maintenance afforestation again, can demolish prefabricated bottom plate fast, cut off shaped steel and carry out cyclic utilization, greatly reduced cost.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The assembled overhaul channel is characterized by comprising a plurality of section steels, a plurality of prefabricated bottom plates and a plurality of bolt assemblies; the section steel is pre-embedded on the side surface of the main body structure of the pipe gallery bridge and is longitudinally and sequentially distributed along the main body of the pipe gallery bridge; the prefabricated bottom plates are sequentially distributed on the section steel embedments and fixedly connected with each section steel through the bolt assemblies.

2. The fabricated access passage of claim 1, wherein the plurality of section bars are equally spaced apart.

3. The fabricated access passage of claim 1, wherein the pre-buried elevation of the section steel is determined by subtracting the prefabricated floor height from the deck elevation.

4. The fabricated access passage of claim 1, wherein the prefabricated floor panel prefabricated width corresponds to the profile steel overhanging width.

5. The fabricated access passage of claim 1, wherein the length of the prefabricated base plate is N times the spacing between the pre-buried section steel, wherein N is an integer and is greater than or equal to 2.

6. The fabricated access passage of claim 1, further comprising an accessory facility, the accessory facility being assembled on a prefabricated floor.

7. The fabricated access passage of claim 6, wherein the accessory facility is a railing.

8. The fabricated access passage of claim 6, wherein the accessory facility is assembled to the prefabricated floor via an embedment.