CN110984227A - Prefabricated light GFRP octagonal cable well and construction method thereof - Google Patents
Prefabricated light GFRP octagonal cable well and construction method thereof Download PDFInfo
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- CN110984227A CN110984227A CN201911273785.9A CN201911273785A CN110984227A CN 110984227 A CN110984227 A CN 110984227A CN 201911273785 A CN201911273785 A CN 201911273785A CN 110984227 A CN110984227 A CN 110984227A
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- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 title claims abstract description 48
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 6
- 210000002105 tongue Anatomy 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 8
- 238000009417 prefabrication Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a prefabricated light GFRP octagonal cable shaft which comprises a cover plate, stand columns, a cover plate support, a baffle, an inverted T-shaped cross beam and a bottom plate, wherein the cover plate support is arranged on the stand columns; eight inverted T-shaped cross beams are fixed on the bottom plate and arranged according to a regular octagon; an upright post is arranged between every two adjacent inverted T-shaped cross beams, and a groove of each upright post is tightly fit with the inverted T-shaped cross beam; a baffle is arranged between every two adjacent upright columns, the bottom end of the baffle is connected and fixed on the inverted T-shaped cross beam through a tongue-and-groove, and the top end of the baffle is connected and fixed with the cover plate support through the tongue-and-groove; a cover plate is fixed on the cover plate support through a bolt; by adopting the light GFRP material and the prefabrication and assembly mode, the invention not only meets the requirements of structure bearing and use functions, but also has the weight which is 1/3-1/2 of the weight of the traditional concrete cable well with the same size; meanwhile, compared with the traditional concrete cable well, the construction efficiency is improved by more than 50%, and the method has the characteristics of economy, reasonability, convenience in transportation and convenience and fastness in construction.
Description
Technical Field
The invention relates to the technical field of power construction, in particular to a prefabricated light GFRP octagonal cable well and a construction method thereof.
Background
In order to facilitate the pulling of the cable on the straight line section at the corner and the branch of the power transmission line, a cable well needs to be arranged. In the prior art, the cast-in-place reinforced concrete octagonal cable well which is commonly used in the prior art is constructed by in-situ formwork erecting, reinforcing steel bar binding and concrete pouring, and has the defects of long construction period, obvious weather influence on construction period, large construction quality fluctuation, low mechanization degree, high labor intensity of workers, high engineering management difficulty, no contribution to environmental protection and the like; the prefabricated reinforced concrete octagonal cable well has the problems of overlarge integral weight, difficulty in hoisting and transporting, large number of abutted seams, difficulty in splicing detail treatment, easiness in leakage and the like.
Disclosure of Invention
The invention aims to provide a prefabricated light GFRP octagonal cable well and a construction method thereof, and aims to solve the problems that the traditional concrete cable well is too heavy and low in construction efficiency.
The technical solution for realizing the purpose of the invention is as follows:
a prefabricated light GFRP octagonal cable shaft is characterized by comprising a cover plate, a stand column, a cover plate support, a baffle, an inverted T-shaped beam and a bottom plate; eight inverted T-shaped cross beams are fixed on the bottom plate through bolts or fixing glue, and the eight inverted T-shaped cross beams are arranged according to a regular octagon; an upright post is arranged between every two adjacent inverted T-shaped cross beams, and a groove of each upright post is tightly fit with the inverted T-shaped cross beam; a baffle is arranged between every two adjacent upright columns, the bottom end of the baffle is connected and fixed on the inverted T-shaped cross beam through a tongue-and-groove, and the top end of the baffle is connected and fixed with the cover plate support through the tongue-and-groove; and the cover plate support is fixedly provided with a cover plate through bolts.
Preferably, the baffle comprises an upper baffle, a middle baffle and a lower baffle, and the upper baffle, the middle baffle and the lower baffle are sequentially arranged from top to bottom; the bottom end of the lower baffle is connected and fixed on the inverted T-shaped cross beam through a tongue-and-groove, and two ends of the lower baffle are tightly fit with the grooves of the stand columns; the bottom end of the middle baffle is connected and fixed to the top end of the lower baffle through a tongue-and-groove, and the two ends of the middle baffle are tightly fit with the grooves of the stand columns; the bottom end of the upper baffle is connected and fixed to the top end of the middle baffle through a tongue-and-groove, two ends of the upper baffle are tightly matched with the grooves of the stand columns, and the top end of the upper baffle is connected and fixed with the cover plate support through the tongue-and-groove.
Preferably, the upper baffle, the middle baffle and the lower baffle adopt lattice type baffles.
Preferably, the bottom plate is formed by splicing a plurality of GFRP panels with the same size, and two adjacent GFRP panels are connected through a tongue-and-groove.
Preferably, the cover plate, the upright post, the cover plate support, the baffle plate, the inverted T-shaped cross beam and the bottom plate are all made of GFRP materials.
Preferably, the cross section of the upright post is airplane-shaped.
Preferably, the cover plate is a grid type cover plate.
A construction method of a prefabricated light GFRP octagonal cable well is characterized by comprising the following steps:
step (1), connecting a plurality of GFRP panels with the same size through tongues and grooves, and splicing into a whole bottom plate with the required size;
step (2), connecting and fixing the eight inverted T-shaped cross beams to the bottom plate through bolts or fixing glue, wherein the eight inverted T-shaped cross beams are arranged according to a regular octagon;
fixing the stand column between two adjacent inverted T-shaped cross beams to ensure that the groove of the stand column is tightly fit with the cross beams;
step (4), assembling a lower baffle plate from top to bottom along the grooves of the two adjacent stand columns, and connecting and fixing the lower baffle plate to the inverted T-shaped cross beam between the two adjacent stand columns through a tongue-and-groove;
step (5), assembling the middle baffle plate from top to bottom along the grooves of the two adjacent stand columns, and connecting and fixing the middle baffle plate to the lower baffle plate through the tongue-and-groove;
step (6), assembling the upper baffle plate from top to bottom along the grooves of the two adjacent stand columns, and connecting and fixing the upper baffle plate to the middle baffle plate through the tongue-and-groove;
step (7), the cover plate support is fixedly connected to the upper baffle through the tongue-and-groove;
and (8) connecting and fixing the cover plate on the cover plate support through the bolt, and finishing the construction of the octagonal cable well.
Compared with the prior art, the invention has the following remarkable advantages:
(1) the prefabricated light GFRP octagonal cable well is made of novel light GFRP materials, so that the weight of the cable well is reduced on the premise of ensuring the structural safety of the cable well, and the transportation and the hoisting are convenient.
(2) The prefabricated light GFRP octagonal cable well adopts lattice type and grid type components, reduces the material consumption and further reduces the construction cost of the cable well.
(3) The prefabricated light GFRP octagonal cable well disclosed by the invention adopts a light GFRP material and a prefabricated assembly mode, so that the requirements of structural bearing and use functions are met, and the weight of the prefabricated light GFRP octagonal cable well is only 1/3-1/2 of that of the traditional concrete cable well with the same size; meanwhile, compared with the traditional concrete cable well, the construction efficiency is improved by more than 50%, and the method has the characteristics of economy, reasonability, convenience in transportation and convenience and fastness in construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a prefabricated lightweight GFRP octagonal cable well according to the invention.
Fig. 2 is a top view of a prefabricated lightweight GFRP octagonal cable well of the present invention.
Fig. 3 is a cross-sectional view a-a of fig. 2.
Fig. 4 is a schematic structural diagram of a baffle plate in a prefabricated lightweight GFRP octagonal cable well according to the invention.
Fig. 5 is a schematic structural diagram of a prefabricated lightweight GFRP octagonal cable well bottom plate according to the present invention.
Fig. 6 is a schematic structural diagram of a prefabricated lightweight GFRP octagonal cable well cover plate according to the present invention.
Fig. 7 is a structural schematic diagram of the prefabricated light GFRP octagonal cable well center pillar according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1:
as shown in fig. 1, 2 and 3, a prefabricated light GFRP octagonal cable well comprises a cover plate 1, a stand column 2, a cover plate support 3, a baffle plate 7, an inverted T-shaped cross beam 8 and a bottom plate 9; eight inverted T-shaped cross beams 8 are fixed on the bottom plate 9 through bolts or fixing glue, and the eight inverted T-shaped cross beams 8 are arranged according to a regular octagon; the upright posts 2 are arranged between every two adjacent inverted T-shaped cross beams 8, and the grooves of the upright posts 2 are tightly fit with the inverted T-shaped cross beams 8; a baffle 7 is arranged between every two adjacent upright posts 2, the bottom end of the baffle 7 is connected and fixed on an inverted T-shaped cross beam 8 through a tongue-and-groove, and the top end of the baffle 7 is connected and fixed with the cover plate support 3 through the tongue-and-groove; the cover plate support 3 is fixedly provided with a cover plate 1 through bolts; the cover plate 1, the stand column 2, the cover plate support 3, the baffle 7, the inverted T-shaped cross beam 8 and the bottom plate 9 are all made of GFRP materials, the weight of the cable well is reduced on the premise that the structure safety of the cable well is guaranteed, and transportation and hoisting are facilitated.
As shown in fig. 4, the baffle 7 comprises an upper baffle 4, a middle baffle 5 and a lower baffle 6, and the upper baffle 4, the middle baffle 5 and the lower baffle 6 are sequentially arranged from top to bottom; the bottom end of the lower baffle 6 is connected and fixed on the inverted T-shaped beam 8 through a tongue-and-groove, and two ends of the lower baffle 6 are tightly fit with the grooves of the upright posts 2; the bottom end of the middle baffle 5 is connected and fixed on the top end of the lower baffle 6 through a tongue-and-groove, and two ends of the middle baffle 5 are tightly fit with the grooves of the upright posts 2; the bottom end of the upper baffle 4 is connected and fixed on the top end of the middle baffle 5 through a tongue-and-groove joint, the two ends of the upper baffle 4 are tightly matched with the grooves of the upright posts 2, and the top end of the upper baffle 4 is connected and fixed with the cover plate support 3 through the tongue-and-groove joint; the upper baffle 4, the middle baffle 5 and the lower baffle 6 adopt lattice type baffles, so that the material consumption is reduced, the construction cost of the cable well is further reduced, the weight of the cable well is reduced, and the transportation and the hoisting are convenient.
As shown in fig. 5, the bottom plate 9 is formed by splicing a plurality of GFRP panels with the same size, and two adjacent GFRP panels are connected by a tongue-and-groove; the bottom plate 9 adopts a prefabricated assembly type, and the working efficiency is greatly improved.
As shown in fig. 6, the cover plate 1 is a grid-type cover plate, which reduces the material consumption and further reduces the construction cost of the cable well.
As shown in fig. 7, the cross section of the upright post 2 is in an airplane shape, which is helpful for the tight fit of the groove of the upright post 2 with the baffle 7 and the inverted T-shaped cross beam 8, and prevents the leakage problem.
A construction method of a prefabricated light GFRP octagonal cable well comprises the following steps:
step (1), seven GFRP panels with the same size are connected through a tongue-and-groove to be spliced into a whole bottom plate 9;
step (2), connecting and fixing the eight inverted T-shaped cross beams 8 to a bottom plate 9 through bolts or fixing glue, wherein the eight inverted T-shaped cross beams 8 are arranged according to a regular octagon;
step (3), the eight upright posts 2 are respectively fixed between two adjacent inverted T-shaped cross beams 9, so that the grooves of the upright posts 2 are tightly fit with the cross beams 9;
step (4), the eight lower baffles 6 are respectively assembled from top to bottom along the grooves of the two adjacent upright posts 2, and the lower baffles 6 are connected and fixed on the inverted T-shaped cross beam 8 between the two adjacent upright posts 2 through the tongue-and-groove;
step (5), the eight middle baffles 5 are respectively assembled from top to bottom along the grooves of the two adjacent upright posts 2, and the middle baffles 5 are connected and fixed on the lower baffle 6 through the tongue-and-groove;
step (6), the eight upper baffles 4 are respectively assembled from top to bottom along the grooves of the two adjacent upright posts 2, and the upper baffles 4 are fixedly connected to the middle baffle 5 through the tongue-and-groove;
step (7), the eight cover plate supports 3 are respectively connected and fixed on the corresponding upper baffle plates 4 through the tongue-and-groove;
and (8) connecting and fixing the cover plate 1 on the cover plate support 3 through bolts, and finishing the construction of the octagonal cable well.
In conclusion, each component of the prefabricated light GFRP octagonal cable well is made of novel light GFRP materials, so that the weight of the cable well is reduced on the premise of ensuring the structural safety of the cable well, and the transportation and the hoisting are convenient. The prefabricated light GFRP octagonal cable well adopts lattice type and grid type components, reduces the material consumption and further reduces the construction cost of the cable well. The prefabricated light GFRP octagonal cable well disclosed by the invention adopts a light GFRP material and a prefabricated assembly mode, so that the requirements of structural bearing and use functions are met, and the weight of the prefabricated light GFRP octagonal cable well is only 1/3-1/2 of that of the traditional concrete cable well with the same size; meanwhile, compared with the traditional concrete cable well, the construction efficiency is improved by more than 50%, and the method has the characteristics of economy, reasonability, convenience in transportation and convenience and fastness in construction.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A prefabricated light GFRP octagonal cable shaft is characterized by comprising a cover plate (1), a stand column (2), a cover plate support (3), a baffle (7), an inverted T-shaped cross beam (8) and a bottom plate (9); eight inverted T-shaped cross beams (8) are fixed on the bottom plate (9) through bolts or fixing glue, and the eight inverted T-shaped cross beams (8) are arranged according to a regular octagon; an upright post (2) is arranged between every two adjacent inverted T-shaped cross beams (8), and a groove of each upright post (2) is tightly fit with each inverted T-shaped cross beam (8); a baffle (7) is arranged between every two adjacent upright posts (2), the bottom end of the baffle (7) is connected and fixed on the inverted T-shaped cross beam (8) through a tongue-and-groove, and the top end of the baffle (7) is connected and fixed with the cover plate support (3) through the tongue-and-groove; and the cover plate support (3) is fixedly provided with a cover plate (1) through a bolt.
2. The prefabricated lightweight GFRP octagonal cable shaft according to claim 1, wherein the baffle (7) comprises an upper baffle (4), a middle baffle (5) and a lower baffle (6), the upper baffle (4), the middle baffle (5) and the lower baffle (6) being arranged in sequence from top to bottom; the bottom end of the lower baffle (6) is connected and fixed on the inverted T-shaped beam (8) through a tongue-and-groove, and the two ends of the lower baffle (6) are tightly fit with the grooves of the upright posts (2); the bottom end of the middle baffle (5) is connected and fixed to the top end of the lower baffle (6) through a tongue-and-groove, and the two ends of the middle baffle (5) are tightly fit with the grooves of the stand columns (2); the bottom end of the upper baffle (4) is connected and fixed to the top end of the middle baffle (5) through a tongue-and-groove, the two ends of the upper baffle (4) are tightly matched with the grooves of the stand columns (2), and the top end of the upper baffle (4) is connected and fixed with the cover plate support (3) through the tongue-and-groove.
3. Prefabricated lightweight GFRP octagonal cable shaft according to claim 2, characterized in that the upper (4), middle (5) and lower (6) baffles are lattice baffles.
4. Prefabricated lightweight GFRP octagonal cable shaft according to claim 1, characterized in that the backplane (9) is made by splicing several GFRP panels of the same size, two adjacent GFRP panels being connected by a tongue-and-groove.
5. Prefabricated lightweight GFRP octagonal cable shaft according to claim 1, characterized in that the cover plate (1), the uprights (2), the cover plate supports (3), the baffle plate (7), the inverted T-beam (8) and the bottom plate (9) are made of GFRP material.
6. Prefabricated lightweight GFRP octagonal cable shaft according to claim 1, characterized in that the cross section of the pillar (2) is airplane-like.
7. Prefabricated lightweight GFRP octagonal cable shaft according to claim 1, characterized in that the cover plate (1) is a grid cover plate.
8. A method of constructing a prefabricated lightweight GFRP octagonal cable well according to claim 2, comprising the steps of:
step (1), a plurality of GFRP panels with the same size are connected through tongues and grooves to be spliced into a whole bottom plate (9) with the required size;
step (2), connecting and fixing the eight inverted T-shaped cross beams (8) to a bottom plate (9) through bolts or fixing glue, wherein the eight inverted T-shaped cross beams (8) are arranged according to a regular octagon;
step (3), fixing the upright post (2) between two adjacent inverted T-shaped cross beams (9) to ensure that the groove of the upright post (2) is tightly fit with the cross beams (9);
step (4), assembling a lower baffle (6) from top to bottom along the grooves of two adjacent upright columns (2), and connecting and fixing the lower baffle (6) to an inverted T-shaped cross beam (8) between the two adjacent upright columns (2) through a tongue-and-groove;
step (5), assembling the middle baffle (5) from top to bottom along the grooves of two adjacent upright posts (2), and fixing the middle baffle (5) on the lower baffle (6) through tongue-and-groove connection;
step (6), assembling the upper baffle (4) from top to bottom along the grooves of two adjacent upright posts (2), and connecting and fixing the upper baffle (4) to the middle baffle (5) through a tongue-and-groove;
step (7), the cover plate support (3) is fixedly connected to the upper baffle (4) through a tongue-and-groove;
and (8) connecting and fixing the cover plate (1) to the cover plate support (3) through bolts, and finishing the construction of the octagonal cable well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273785.9A CN110984227A (en) | 2019-12-12 | 2019-12-12 | Prefabricated light GFRP octagonal cable well and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273785.9A CN110984227A (en) | 2019-12-12 | 2019-12-12 | Prefabricated light GFRP octagonal cable well and construction method thereof |
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| CN110984227A true CN110984227A (en) | 2020-04-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501838A (en) * | 2020-05-08 | 2020-08-07 | 江苏海洋大学 | Prefabricated octagonal cable well and construction method thereof |
| CN111677013A (en) * | 2020-06-10 | 2020-09-18 | 连云港冠能电力工程有限公司灌南新能分公司 | Octagonal prefabricated cable well |
| CN112502193A (en) * | 2020-12-09 | 2021-03-16 | 常州润源电力建设有限公司 | Prefabricated cable shaft of cordwood system equipment |
| CN115125998A (en) * | 2022-06-08 | 2022-09-30 | 上海策元实业有限公司 | Cable shaft structure |
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| CN209066474U (en) * | 2018-11-06 | 2019-07-05 | 佛山深中能新材料有限公司 | A kind of prefabricated assembled distribution net equipment basis |
| CN211714022U (en) * | 2019-12-12 | 2020-10-20 | 国网江苏省电力有限公司连云港供电分公司 | Prefabricated assembled light GFRP octagonal cable shaft |
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| CN202543859U (en) * | 2012-05-09 | 2012-11-21 | 张国兴 | Assembled trunk |
| CN203960902U (en) * | 2014-07-02 | 2014-11-26 | 浙江东方豪博管业有限公司 | A kind of glass fiber reinforced plastics manhole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501838A (en) * | 2020-05-08 | 2020-08-07 | 江苏海洋大学 | Prefabricated octagonal cable well and construction method thereof |
| CN111677013A (en) * | 2020-06-10 | 2020-09-18 | 连云港冠能电力工程有限公司灌南新能分公司 | Octagonal prefabricated cable well |
| CN112502193A (en) * | 2020-12-09 | 2021-03-16 | 常州润源电力建设有限公司 | Prefabricated cable shaft of cordwood system equipment |
| CN115125998A (en) * | 2022-06-08 | 2022-09-30 | 上海策元实业有限公司 | Cable shaft structure |
| CN115125998B (en) * | 2022-06-08 | 2024-01-12 | 上海策元实业有限公司 | Cable well structure |
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