CN115733111A - Assembled cable trench and construction method thereof - Google Patents
Assembled cable trench and construction method thereof Download PDFInfo
- Publication number
- CN115733111A CN115733111A CN202211366623.1A CN202211366623A CN115733111A CN 115733111 A CN115733111 A CN 115733111A CN 202211366623 A CN202211366623 A CN 202211366623A CN 115733111 A CN115733111 A CN 115733111A
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- plate
- plates
- gfrp
- cable trench
- concrete
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention provides an assembled cable trench and a construction method thereof, belonging to the technical field of power construction, wherein the assembled cable trench comprises: the bottom plate comprises a GFRP rib plate and a glass fiber concrete plate, and the glass fiber concrete plate is provided with a mounting hole; the side plates comprise GFRP box-type plates and concrete vertical plates, the concrete vertical plates are provided with installation parts and insertion holes, and the side plates are connected through bolts; and (7) a cover plate. The assembled cable trench provided by the invention comprises a bottom plate, side plates and a cover plate, wherein the bottom plate consists of a GFRP rib plate and a glass fiber concrete slab, the side plates consist of GFRP box-shaped plates and concrete vertical plates, the bottom plate, the side plates and the cover plate are prefabricated by adopting a modular design, the building is completed on site, the concrete does not need to be poured on site, the construction period is short, the labor intensity of workers is low, the large-scale mechanical auxiliary construction is not needed, the mounting positions of all the parts are controlled, and the building of the cable trench can be completed by fixing through bolts.
Description
Technical Field
The invention relates to the technical field of power construction, in particular to an assembled cable trench and a construction method thereof.
Background
The cable trench is an underground pipeline used for laying and replacing power or communication cable facilities, is also a maintenance structure of laid cable facilities, and has pipeline structure forms of rectangle, circle, arch and the like.
In order to facilitate the pulling of the cable over the straight section, a cable trench is required. The cable trench is usually built by excavating a trench and then erecting a formwork, binding reinforcing steel bars and pouring concrete, and has the defects of long construction period, high labor intensity of workers and the like.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of long construction period and high labor intensity of workers in the prior art of constructing the cable trench by formwork erecting, reinforcing steel bar binding and concrete pouring, thereby providing the assembly type cable trench and the construction method thereof.
In order to solve the above technical problem, the present invention provides an assembled cable trench, including:
the bottom plate comprises a GFRP rib plate and a glass fiber concrete plate, and the glass fiber concrete plate is provided with a mounting hole;
the side plates comprise GFRP box-shaped plates and concrete vertical plates, the concrete vertical plates are provided with installation parts, insertion holes corresponding to the installation holes are formed in the installation parts, and the side plates are connected through bolts;
the cover plate is covered on the side plate.
Optionally, the cross section of the bolt is in an H shape;
t-shaped grooves are formed in the side edge positions of the side plates, and two T-shaped grooves in the butt joint positions of two adjacent side plates form H-shaped grooves suitable for containing bolts.
Optionally, the T-shaped groove is formed in the side edge of the GFRP box-shaped plate.
Optionally, the bottom plate comprises a plurality of rectangular plates, and the rectangular plates are sequentially arranged side by side along the laying direction of the cable trench;
each rectangular plate consists of GFRP ribbed plates and glass fiber reinforced concrete plates.
Optionally, two adjacent rectangular boards are connected through a tongue-and-groove.
Optionally, the thickness of the GFRP rib plate is not less than 4mm, a plurality of T-shaped ribs are arranged on the GFRP rib plate, and the glass fiber concrete slab is connected with the GFRP rib plate through the T-shaped ribs.
The construction method comprises the assembly type cable trench and further comprises the following steps:
connecting the GFRP rib plates and the glass fiber concrete plates together to form rectangular plates, and splicing the rectangular plates together to form a bottom plate;
the GFRP box-shaped plate and the concrete vertical plate are connected to form a side plate;
the side plates are fixed on the bottom plate in an inserting manner;
two adjacent side plates are connected through a bolt;
and covering the cover plate on the side plate to complete the construction.
Optionally, the side plate is inserted into the insertion hole and the mounting hole through a screw to complete connection with the bottom plate.
The technical scheme of the invention has the following advantages:
1. the assembled cable trench provided by the invention comprises a bottom plate, a side plate and a cover plate, wherein the bottom plate consists of GFRP rib plates and glass fiber concrete plates, the side plate consists of GFRP box-shaped plates and concrete vertical plates, the bottom plate, the side plate and the cover plate are prefabricated by adopting a modular design, the building is completed on site, the concrete does not need to be poured on site, the construction period is short, the labor intensity of workers is low, the large-scale mechanical auxiliary construction is not needed, the installation positions of all parts are controlled, and the building of the cable trench can be completed by fixing through bolts. Meanwhile, the GFRP material has the advantages of light weight, high strength, corrosion resistance, good weather resistance and durability, no need of later maintenance after construction, reduction of maintenance cost and capability of well adapting to coastal corrosion environment.
2. According to the assembled cable trench provided by the invention, the side plates are connected through the bolt, the cross section of the bolt is H-shaped, the side edge of each side plate is provided with the T-shaped groove, the T-shaped groove between every two adjacent side plates forms the H-shaped groove, the bolt can be inserted into the H-shaped groove to complete the connection of the two adjacent side plates, and the fixing is not required to be carried out by using bolts.
3. According to the assembled cable trench provided by the invention, the bottom plate comprises the plurality of rectangular plates, each rectangular plate comprises the GFRP rib plate and the glass fiber concrete slab, the weight of the cable trench can be reduced on the premise of ensuring the structural performance of the cable trench, the transportation and the installation are convenient, and the assembled cable trench has the characteristics of economy, reasonability, convenience in construction and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an assembled cable trench provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a cover plate provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a side plate provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a base plate provided in embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a screw according to embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of a plug provided in embodiment 1 of the present invention.
Description of reference numerals:
1. a cover plate; 2. a side plate; 21. a GFRP box-shaped plate; 22. concrete vertical plates; 23. an installation part; 3. a rectangular plate; 31. GFRP rib plate; 32. a glass fiber concrete panel; 4. a screw; 5. a base plate; 6. and (4) a bolt.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a concrete implementation mode of assembled cable pit, as shown in fig. 1, comprising a base plate 5, curb plate 2 and apron 1, wherein, bottom plate 5 comprises GFRP floor 31 and glass fiber concrete slab 32, curb plate 2 comprises GFRP case template 21 and concrete riser 22, adopt the modularized design, prefabricated bottom plate 5 of accomplishing, curb plate 2 and apron 1, accomplish at the scene and build, need not cast in situ concrete, construction cycle is short, and workman low in labor strength, need not the supplementary construction of large-scale machine, only need control each parts mounted position, through can accomplish the building of cable pit through bolt fastening. Meanwhile, the GFRP material has the advantages of light weight, high strength, corrosion resistance, good weather resistance and durability, no need of later maintenance after construction, reduction of maintenance cost and capability of well adapting to coastal corrosion environment.
Specifically, bottom plate 5 includes a plurality of rectangular plates 3, and every rectangular plate 3 comprises GFRP floor 31 and glass fiber concrete slab 32, can alleviate the weight of cable pit under the prerequisite of guaranteeing cable pit structural performance, and convenient transportation and installation have characteristics such as economical rationality, construction convenience.
In this embodiment, as shown in fig. 6, the side plates 2 are connected by a bolt 6, the cross section of the bolt 6 is H-shaped, a T-shaped groove is formed in a side edge of each side plate 2, the T-shaped groove between two adjacent side plates 2 forms an H-shaped groove, the bolt 6 can be inserted into the H-shaped groove to complete the connection between two adjacent side plates 2, and the bolts are not required to be fixed.
Specifically, the mounting portion 23 is an enlarged leg, and an insertion hole is formed in the enlarged leg, and after the insertion hole is aligned with the mounting hole, as shown in fig. 5, the screw rod 4 is inserted to complete the connection between the side plate 2 and the bottom plate 5. The cross section of the screw rod 4 is circular, the height of the screw rod 4 is not more than the sum of the thickness of the concrete vertical plate 22 and the thickness of the glass fiber concrete plate 32, and two ends of the screw rod 4 are respectively spliced with the concrete vertical plate 22 and the glass fiber concrete plate 32; the screw rod 4 enables the side plate 2 and the bottom plate 5 to be connected into a whole, so that the structure is optimized, the construction is convenient, and the construction efficiency is greatly improved.
In this embodiment, as shown in fig. 2, the two sides of the cover plate 1 contacting the side plate 2 have step surfaces, so that the step surfaces can be erected on the side plate 2 to complete the connection of the cover plate 1 on the side plate 2.
In this embodiment, as shown in fig. 3, the side plates 2 include GFRP box-shaped plates 21 and concrete vertical plates 22, and the GFRP box-shaped plates 21 and the concrete vertical plates 22 are connected by T-shaped shear keys, wherein T-shaped grooves are formed on the side edges of the GFRP box-shaped plates 21, and the T-shaped grooves of the GFRP box-shaped plates 21 of two adjacent side plates 2 form H-shaped grooves together, which can allow H-shaped bolts to be inserted into the H-shaped grooves to complete the connection between the side plates 2.
In this embodiment, as shown in fig. 4, the floor panel 5 includes a GFRP rib panel 31 and a glass fiber reinforced concrete panel 32, a T-shaped shear key is provided on the GFRP rib panel 31, and the glass fiber reinforced concrete panel 32 and the GFRP rib panel 31 are connected by the T-shaped shear key.
Glass fiber reinforced plastic (also called glass fiber reinforced plastic, and the internationally recognized abbreviation mark is GFRP or FRP) is a composite material with various varieties, good performance and wide application. The material is a novel functional material prepared from synthetic resin and glass fiber by a composite process, and plays an important role in national economic construction.
Example 2
This example provides a specific embodiment of the construction method, implemented using the fabricated cable trench of example 1, comprising the steps of: connecting the GFRP rib plates and the glass fiber concrete plates together to form rectangular plates, and splicing the rectangular plates together to form a bottom plate; the GFRP box-shaped plate and the concrete vertical plate are connected to form a side plate; the side plates are fixed on the bottom plate in an inserting mode; two adjacent side plates are connected through a bolt; and covering the cover plate on the side plate to complete the construction.
The side plate is inserted into the insertion hole and the mounting hole through the screw rod to complete the connection with the bottom plate.
The GFRP rib plate 31 and the glass fiber concrete slab 32 are connected through a T-shaped shear key to form the rectangular plate 3. And connecting the GFRP box-shaped plate 21 with the concrete vertical plate 22 through a T-shaped shear key to form the side plate 2.
GFRP materials adopted by each component in the assembled cable trench have the advantages of light weight, high strength, corrosion resistance, good weather resistance and durability, no need of later maintenance after construction is completed, maintenance cost is reduced, and the assembled cable trench can be well adapted to coastal corrosion environment; the adopted glass fiber concrete can improve the quality of the concrete, improve the performance of the concrete and enhance the durability; meanwhile, each component in the assembled cable trench can be modularized and produced in a standardized manner, large-scale mechanical auxiliary construction is not needed, the site selection is flexible, the working efficiency can be improved, and the construction period can be shortened. Therefore, each part in the assembled cable trench is made of the novel GFRP material and the glass fiber concrete, so that the weight of the cable trench can be reduced on the premise of ensuring the structural performance of the cable trench, the transportation and the installation are convenient, and the assembled cable trench has the characteristics of economy, reasonability, convenience in construction and the like.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. An assembled cable trench, comprising:
the bottom plate (5) comprises a GFRP rib plate (31) and a glass fiber concrete plate (32), and the glass fiber concrete plate (32) is provided with a mounting hole;
the side plates (2) comprise GFRP box-shaped plates (21) and concrete vertical plates (22), the concrete vertical plates (22) are provided with installation parts (23), the installation parts (23) are provided with insertion holes corresponding to the installation holes, and the side plates (2) are connected through bolts;
and the cover plate (1) is covered on the side plate (2).
2. The fitted cable trench of claim 1, wherein the cross-section of the plug (6) is H-shaped;
the side edge position of the side plates (2) is provided with a T-shaped groove, and two T-shaped grooves at the butt joint positions of two adjacent side plates (2) form an H-shaped groove suitable for accommodating the bolt (6).
3. The fitted cable trench of claim 2, wherein the T-shaped slot opens at a side of the GFRP box board (21).
4. The assembled cable trench as claimed in claim 1, wherein the bottom plate (5) comprises a plurality of rectangular plates (3), and the plurality of rectangular plates (3) are sequentially arranged side by side along the laying direction of the cable trench;
each rectangular plate (3) is composed of GFRP ribbed plates (31) and glass fiber concrete plates (32).
5. The assembled cable duct according to claim 4, characterized in that the adjacent two rectangular boards (3) are connected by a tongue-and-groove.
6. The fabricated cable trench as claimed in claim 1, wherein the GFRP rib (31) has a thickness of not less than 4mm, the GFRP rib (31) is provided with a plurality of T-shaped ribs, and the glass fiber concrete slab (32) is connected with the GFRP rib (31) through the T-shaped ribs.
7. Method of construction comprising the fitted cable trench according to any one of claims 1 to 6, further comprising the steps of:
connecting the GFRP rib plate (31) and the glass fiber concrete plate (32) together to form a rectangular plate (3), and splicing the rectangular plate (3) together to form a bottom plate (5);
the GFRP box-shaped plate (21) and the concrete vertical plate (22) are connected to form a side plate (2);
the side plates (2) are fixed on the bottom plate (5) in an inserting mode;
two adjacent side plates (2) are connected through a bolt (6);
and covering the cover plate (1) on the side plate (2) to complete the construction.
8. Construction method according to claim 7, characterised in that the side plates (2) are connected to the bottom plate (5) by means of screws (4) inserted into the insertion holes and the mounting holes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210798564.9A CN115313288A (en) | 2022-07-08 | 2022-07-08 | Assembled cable trench and construction method thereof |
| CN2022107985649 | 2022-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115733111A true CN115733111A (en) | 2023-03-03 |
Family
ID=83857295
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210798564.9A Withdrawn CN115313288A (en) | 2022-07-08 | 2022-07-08 | Assembled cable trench and construction method thereof |
| CN202211366623.1A Pending CN115733111A (en) | 2022-07-08 | 2022-11-01 | Assembled cable trench and construction method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210798564.9A Withdrawn CN115313288A (en) | 2022-07-08 | 2022-07-08 | Assembled cable trench and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN115313288A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116154688B (en) * | 2022-12-30 | 2023-10-27 | 广东天联电力设计有限公司 | Variable-size modularized cable trench |
-
2022
- 2022-07-08 CN CN202210798564.9A patent/CN115313288A/en not_active Withdrawn
- 2022-11-01 CN CN202211366623.1A patent/CN115733111A/en active Pending
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| Publication number | Publication date |
|---|---|
| CN115313288A (en) | 2022-11-08 |
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