阅读说明：本技术 一种gfrp装配式环网基础及其建造方法 (GFRP assembled looped network foundation and construction method thereof ) 是由 宋海勇 张魁 谢青海 郑许林 王炜 许伟 张真卿 宗钟凌 朱建国 武江传 张瀚宇 于 2020-07-08 设计创作，主要内容包括：本发明公开了一种GFRP装配式环网基础,包括底板部分、环网基础部分和检查井部分,底板部分上设有环网基础部分和检查井部分,环网基础部分与检查井部分相连通；本发明GFRP装配式环网基础所有构件采用轻质GFRP材料制成,机械强度高、质轻而硬、不导电、性能稳定、耐腐蚀、耐久性能好,其所有构件单块重量轻,可实现单人操作,无需大型机械配合施工,对现场环境要求低,适合条件恶劣的施工工况。本发明GFRP装配式环网基础所有构件工厂预制、现场拼装,对环境影响小,无污染,构件之间采用插接,安装简单,拆除方便,可重复利用,能适应多种复杂的地质条件,应用范围广泛,经济效益和社会效益显著。(The invention discloses a GFRP (glass fiber reinforced Polymer) fabricated ring network foundation which comprises a bottom plate part, a ring network foundation part and an inspection well part, wherein the bottom plate part is provided with the ring network foundation part and the inspection well part; all components of the GFRP assembled ring network foundation are made of light GFRP materials, the mechanical strength is high, the weight is light and hard, the electrical conduction is realized, the performance is stable, the corrosion resistance and the durability are good, a single component of all the components is light, the single-person operation can be realized, the large-scale mechanical cooperation construction is not needed, the requirement on the field environment is low, and the construction working condition with severe conditions is suitable. All components of the GFRP assembled ring network foundation are prefabricated in factories and assembled on site, the environmental influence is small, no pollution is caused, the components are spliced, the installation is simple, the disassembly is convenient, the components can be recycled, the method can adapt to various complex geological conditions, the application range is wide, and the economic benefit and the social benefit are obvious.)

1. A GFRP assembled looped network foundation is characterized by comprising a bottom plate part, a looped network foundation part and an inspection well part, wherein the bottom plate part is provided with the looped network foundation part and the inspection well part, and the looped network foundation part is communicated with the inspection well part; the bottom plate part comprises a plurality of bottom plates (1) and a base (2), the bottom plates (1) are sequentially connected to form a whole bottom plate, and two adjacent bottom plates (1) are fixedly connected through a locking connector (3); a base (2) is arranged on the periphery of the whole bottom plate, and a ring network foundation part and an inspection well part are arranged on the base (2); the ring network foundation part comprises a first corner upright post (4), a second corner upright post (5), a first middle upright post (6), a second middle upright post (7), a ring network foundation front side plate (8), a ring network foundation rear side plate (9), a ring network foundation left side plate (10), a ring network foundation right side plate (11) and a ring network foundation locking piece (12); a looped network foundation front side plate (8) is arranged between the first corner upright column (4) and the first middle upright column (6), a looped network foundation rear side plate (9) is arranged between the second corner upright column (5) and the second middle upright column (7), a looped network foundation left side plate (10) is arranged between the first corner upright column (4) and the second corner upright column (5), and a looped network foundation right side plate (11) is arranged between the first middle upright column (6) and the second middle upright column (7); the bottom ends of the first corner upright post (4), the second corner upright post (5), the first middle upright post (6), the second middle upright post (7), the looped network foundation front side plate (8), the looped network foundation rear side plate (9) and the looped network foundation left side plate (10) are all inserted into the base (2); the top ends of the first corner upright post (4), the second corner upright post (5), the first middle upright post (6), the second middle upright post (7), the looped network foundation front side plate (8), the looped network foundation rear side plate (9), the looped network foundation left side plate (10) and the looped network foundation right side plate (11) are all spliced with the looped network foundation locking piece (12); the inspection well part comprises a third corner upright post (13), a fourth corner upright post (14), an inspection well front side plate (15), an inspection well rear side plate (16), an inspection well right side plate (17) and an inspection well cover plate (18); an inspection well front side plate (15) is arranged between the third corner upright column (13) and the first middle upright column (6), an inspection well rear side plate (16) is arranged between the fourth corner upright column (14) and the second middle upright column (7), and an inspection well right side plate (17) is arranged between the third corner upright column (13) and the fourth corner upright column (14); the bottom ends of the third corner upright column (13), the fourth corner upright column (14), the front side plate (15) of the inspection well, the rear side plate (16) of the inspection well and the right side plate (17) of the inspection well are connected with the base (2); an inspection well cover plate (18) is arranged at the top ends of the third corner upright column (13), the fourth corner upright column (14), the inspection well front side plate (15), the inspection well rear side plate (16) and the inspection well right side plate (17); one end part of the inspection well cover plate (18) is connected with the bottom end of the looped network foundation right side plate (11); all parts of the bottom plate part, the ring network base part and the inspection well part are made of GFRP materials.

2. The GFRP prefabricated ring network foundation of claim 1, wherein the base plate (1) is of a box-type structure, and slots are formed in two ends of the base plate (1); the cross section of the fore shaft connecting piece (3) is H-shaped, and two ends of the fore shaft connecting piece (3) are respectively spliced with the slots of the two adjacent bottom plates (1).

3. A GFRP assembled ring network foundation as claimed in claim 1, characterised in that the base (2) comprises a face plate and several hollow bosses, the face plate is of a zigzag shape, the top surface of the face plate is provided with several hollow bosses; the bottom of the first corner stand column (4), the second corner stand column (5), the first middle stand column (6), the second middle stand column (7), the ring network foundation front side plate (8), the ring network foundation rear side plate (9), the ring network foundation left side plate (10), the third corner stand column (13), the fourth corner stand column (14), the inspection well front side plate (15), the inspection well rear side plate (16) and the inspection well right side plate (17) are all connected with the hollow boss of the base (2) in an inserting mode.

4. The GFRP assembled looped network foundation of claim 1, wherein two ends of the front side plate (8) of the looped network foundation are respectively connected with the first corner stand column (4) and the first middle stand column (6) through the locking connectors (3), two ends of the rear side plate (9) of the looped network foundation are respectively connected with the second corner stand column (5) and the second middle stand column (7) through the locking connectors (3), two ends of the left side plate (10) of the looped network foundation are respectively connected with the first corner stand column (4) and the second corner stand column (5) through the locking connectors (3), two ends of the right side plate (11) of the looped network foundation are respectively connected with the first middle stand column (6) and the second middle stand column (7) through the locking connectors (3), two ends of the front side plate (15) of the inspection shaft are respectively connected with the third corner stand column (13) and the second middle stand column (7) through the locking connectors (3), The inspection well comprises a first middle upright post (6), a rear side plate (16) of the inspection well, a fourth corner upright post (14) and a second middle upright post (7), wherein two ends of the rear side plate are respectively connected with the fourth corner upright post (14) and the second middle upright post (7) through a locking connecting piece (3), and two ends of a right side plate (17) of the inspection well are respectively connected with a third corner upright post (13) and the fourth corner upright post (14) through the locking connecting piece (3).

5. The GFRP assembled ring network foundation according to claim 1 or 4, wherein the ring network foundation front side plate (8), the ring network foundation rear side plate (9), the ring network foundation left side plate (10), the ring network foundation right side plate (11), the inspection well front side plate (15), the inspection well rear side plate (16) and the inspection well right side plate (17) are formed by sequentially connecting and splicing a plurality of side plates (21), and two adjacent side plates (21) are fixedly connected through the locking connector (3); the side plate (21) is of a box-type structure, and the two ends of the side plate (21) are provided with inserting grooves which are inserted with the locking port connecting piece (3).

6. The GFRP assembled ring network foundation according to claim 1 or 4, wherein the first corner upright post (4), the second corner upright post (5), the third corner upright post (13), the fourth corner upright post (14), the first middle upright post (6) and the second middle upright post (7) are all of hollow structures, and slots are arranged on two side walls of the first corner upright post (4), the second corner upright post (5), the third corner upright post (13) and the fourth corner upright post (14); slots are formed in the three side walls of the first middle upright post (6) and the second middle upright post (7).

7. A GFRP prefabricated ring network foundation according to claim 1 or 4, wherein the front side plate (8) and the rear side plate (9) of the ring network foundation are provided with vent holes (19).

8. The GFRP assembled ring network foundation of claim 1, wherein the ring network foundation locking member (12) comprises a top plate and a plurality of hollow bosses, the top plate is in a shape of Chinese character 'hui', and the bottom surface of the top plate is provided with a plurality of hollow bosses; the top ends of the first corner upright post (4), the second corner upright post (5), the first middle upright post (6), the second middle upright post (7), the ring network foundation front side plate (8), the ring network foundation rear side plate (9), the ring network foundation left side plate (10) and the ring network foundation right side plate (11) are all spliced with the hollow boss of the ring network foundation locking piece (12).

9. A GFRP assembled ring network foundation as claimed in claim 1, characterised in that the manhole cover plate (18) consists of several cover plates (20), two adjacent cover plates (20) are fixed together by the locking connectors (3), and the cover plates (20) are fixed together by the locking connectors (3) and the side plates (21) directly below.

10. A method of constructing a GFRP prefabricated ring network foundation of claim 1, comprising the steps of:

the method comprises the following steps: constructing and paying off, excavating the earth to the designed elevation and manufacturing a cushion layer;

step two: assembling base plates (1) on the cushion layer, sequentially connecting a plurality of base plates (1) to form a whole base plate, fixedly connecting two adjacent base plates (1) through a locking connector (3), and installing a fixed base (2) on the whole base plate after the whole base plate is constructed;

step three: fixing a first corner upright post (4), a second corner upright post (5), a third corner upright post (13), a fourth corner upright post (14), a first middle upright post (6) and a second middle upright post (7) on a base (2) in an inserting manner;

step four: the method comprises the following steps that a ring network foundation front side plate (8), a ring network foundation rear side plate (9), a ring network foundation left side plate (10), a ring network foundation right side plate (11), an inspection well front side plate (15), an inspection well rear side plate (16) and an inspection well right side plate (17) are spliced and assembled respectively and then are fixedly connected with a stand column through a locking connector (3), and the bottom ends of the ring network foundation front side plate (8), the ring network foundation rear side plate (9), the ring network foundation left side plate (10), the ring network foundation right side plate (11), the inspection well front side plate (15), the inspection well rear side plate (16) and the inspection well right side plate (17) are spliced with a hollow boss on a base (2);

step five: inserting the top ends of a first corner upright post (4), a second corner upright post (5), a first middle upright post (6), a second middle upright post (7), a looped network foundation front side plate (8), a looped network foundation rear side plate (9), a looped network foundation left side plate (10) and a looped network foundation right side plate (11) into a looped network foundation locking piece (12);

step six: and a fixed inspection well cover plate (18) is arranged at the top ends of the third corner upright column (13), the fourth corner upright column (14), the front side plate (15) of the inspection well, the rear side plate (16) of the inspection well and the right side plate (17) of the inspection well, so that the construction of the ring network foundation can be completed.

Technical Field

The invention relates to the technical field of electric power construction, in particular to a GFRP (glass fiber reinforced Polymer) fabricated looped network foundation and a construction method thereof.

Background

The ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.

In the traditional cable engineering construction, the ring main unit foundation can adopt three types of on-site manual brick laying, on-site concrete casting and prefabricated assembly, and the construction quality is not convenient to control due to the uneven skill level of construction teams; the brick foundation has the quality problems of poor appearance and the like due to the defects of the brick material, namely low strength, easy corrosion, poor adhesion of protective layer mortar, and easy falling; the foundation is slow in speed and long in construction period, engineering progress is severely restricted, mechanical strength of the foundation is not enough, the foundation is easy to collapse after the foundation is operated for a period of time, potential safety hazards exist, and the foundation does not meet use requirements.

The cast-in-place concrete structure is limited by site construction conditions, the quality of the reinforcing mesh cannot be guaranteed, the randomness of template construction is high, the compactness of cast-in-place vibration is poor, the environmental limitation is large, the mechanical construction is difficult, and the construction quality is difficult to guarantee. The method needs a long time to shape, is easily influenced by the external construction environment, prolongs the construction period, and cannot meet the requirement of power grid construction.

The prefabricated assembly type is prefabricated in a factory and conveyed to a construction site for splicing and forming, but because the volume of a concrete prefabricated part is larger, the weight of a single prefabricated part is heavier, mechanical cooperation construction is needed, but a large number of construction sites do not have the condition of mechanical construction and cannot be constructed; meanwhile, the connection quality of the concrete prefabricated part is poor, and the overall quality of the foundation is difficult to guarantee.

Disclosure of Invention

The invention aims to provide a GFRP assembled looped network foundation which is simple in construction method, high in construction efficiency, relatively low in cost and good in bearing performance and a construction method thereof.

The technical solution for realizing the purpose of the invention is as follows:

a GFRP assembled looped network foundation is characterized by comprising a bottom plate part, a looped network foundation part and an inspection well part, wherein the bottom plate part is provided with the looped network foundation part and the inspection well part, and the looped network foundation part is communicated with the inspection well part; the bottom plate part comprises a plurality of bottom plates and a base, the bottom plates are sequentially connected to form a whole bottom plate, and two adjacent bottom plates are fixedly connected through a locking connector; a base is arranged on the periphery of the whole bottom plate, and a ring network foundation part and an inspection well part are arranged on the base; the looped network foundation part comprises a first corner upright post, a second corner upright post, a first middle upright post, a second middle upright post, a looped network foundation front side plate, a looped network foundation rear side plate, a looped network foundation left side plate, a looped network foundation right side plate and a looped network foundation locking piece; a ring network foundation front side plate is arranged between the first corner upright post and the first middle upright post, a ring network foundation rear side plate is arranged between the second corner upright post and the second middle upright post, a ring network foundation left side plate is arranged between the first corner upright post and the second corner upright post, and a ring network foundation right side plate is arranged between the first middle upright post and the second middle upright post; the bottom ends of the first corner upright post, the second corner upright post, the first middle upright post, the second middle upright post, the front side plate of the ring network foundation, the rear side plate of the ring network foundation and the left side plate of the ring network foundation are all inserted with the base; the top ends of the first corner upright post, the second corner upright post, the first middle upright post, the second middle upright post, the front side plate of the ring network foundation, the rear side plate of the ring network foundation, the left side plate of the ring network foundation and the right side plate of the ring network foundation are all inserted with the ring network foundation locking piece; the inspection well part comprises a third corner upright post, a fourth corner upright post, an inspection well front side plate, an inspection well rear side plate, an inspection well right side plate and an inspection well cover plate; an inspection well front side plate is arranged between the third corner stand column and the first middle stand column, an inspection well rear side plate is arranged between the fourth corner stand column and the second middle stand column, and an inspection well right side plate is arranged between the third corner stand column and the fourth corner stand column; the bottom ends of the third corner upright column, the fourth corner upright column, the front side plate of the inspection well, the rear side plate of the inspection well and the right side plate of the inspection well are connected with the base; the top ends of the third corner upright column, the fourth corner upright column, the front side plate of the inspection well, the rear side plate of the inspection well and the right side plate of the inspection well are provided with inspection well cover plates; one end of the inspection well cover plate is connected with the bottom end of the right side plate of the ring network foundation; all parts of the bottom plate part, the ring network base part and the inspection well part are made of GFRP materials.

As a preferred technical scheme of the invention, the bottom plate adopts a box-type structure, and two ends of the bottom plate are provided with slots; the cross section of the fore shaft connecting piece is H-shaped, and two ends of the fore shaft connecting piece are respectively spliced with the slots of the two adjacent bottom plates.

As a preferred technical scheme of the invention, the base comprises a panel and a plurality of hollow bosses, the panel is in a shape of Chinese character 'hui', and the top surface of the panel is provided with the plurality of hollow bosses; the bottom of first corner stand, second corner stand, first middle part stand, second middle part stand, looped netowrk basis preceding curb plate, looped netowrk basis posterior lateral plate, looped netowrk basis left side board, third corner stand, fourth corner stand, inspection shaft preceding curb plate, inspection shaft posterior lateral plate and inspection shaft right side board all pegs graft mutually with the hollow boss of base.

As a preferred technical solution of the present invention, two ends of the front side plate of the ring network foundation are respectively connected to the first corner upright column and the first middle upright column through the locking connectors, two ends of the rear side plate of the ring network foundation are respectively connected to the second corner upright column and the second middle upright column through the locking connectors, two ends of the left side plate of the ring network foundation are respectively connected to the first corner upright column and the second corner upright column through the locking connectors, two ends of the right side plate of the ring network foundation are respectively connected to the first middle upright column and the second middle upright column through the locking connectors, two ends of the front side plate of the inspection shaft are respectively connected to the third corner upright column and the first middle upright column through the locking connectors, two ends of the rear side plate of the inspection shaft are respectively connected to the fourth corner upright column and the second middle upright column through the locking connectors, and two ends of the right side plate of the inspection shaft are respectively connected to the third corner upright column and the, The fourth corner upright post is connected.

As a preferred technical scheme of the invention, the ring network foundation front side plate, the ring network foundation rear side plate, the ring network foundation left side plate, the ring network foundation right side plate, the inspection well front side plate, the inspection well rear side plate and the inspection well right side plate are formed by sequentially connecting and splicing a plurality of side plates, and two adjacent side plates are fixedly connected through a locking port connecting piece; the side plate adopts a box-type structure, the two ends of the side plate are respectively provided with a slot, and the slots are inserted with the locking port connecting pieces.

As a preferred technical solution of the present invention, the first corner column, the second corner column, the third corner column, the fourth corner column, the first middle column and the second middle column all adopt hollow structures, and slots are respectively disposed on two side walls of the first corner column, the second corner column, the third corner column and the fourth corner column; slots are formed in the three side walls of the first middle upright post and the second middle upright post.

As a preferred technical scheme of the invention, the front side plate of the ring network foundation and the rear side plate of the ring network foundation are provided with vent holes.

As a preferred technical scheme of the invention, the looped network foundation lock catch piece comprises a top plate and a plurality of hollow bosses, wherein the top plate is shaped like a Chinese character 'hui', and the bottom surface of the top plate is provided with the plurality of hollow bosses; the top ends of the first corner stand column, the second corner stand column, the first middle stand column, the second middle stand column, the looped network foundation front side plate, the looped network foundation rear side plate, the looped network foundation left side plate and the looped network foundation right side plate are all inserted with the hollow boss of the looped network foundation locking piece.

As a preferred technical scheme of the invention, the inspection well cover plate consists of a plurality of cover plates, two adjacent cover plates are fixedly connected through a locking port connecting piece, and the cover plates are fixedly connected with a side plate right below the cover plates through the locking port connecting piece.

A construction method of a GFRP assembled ring network foundation is characterized by comprising the following steps:

the method comprises the following steps: constructing and paying off, excavating the earth to the designed elevation and manufacturing a cushion layer;

step two: assembling bottom plates on the cushion layer, sequentially connecting a plurality of bottom plates to form a whole bottom plate, fixedly connecting two adjacent bottom plates through a locking connector, and mounting a fixed base on the whole bottom plate after the whole bottom plate is constructed;

step three: fixing a first corner upright column, a second corner upright column, a third corner upright column, a fourth corner upright column, a first middle upright column and a second middle upright column on the base in an inserting manner;

step four: the method comprises the following steps that a ring network foundation front side plate, a ring network foundation rear side plate, a ring network foundation left side plate, a ring network foundation right side plate, an inspection well front side plate, an inspection well rear side plate and an inspection well right side plate are spliced and assembled respectively and then are fixedly connected with a stand column through a locking connector, and the bottom ends of the ring network foundation front side plate, the ring network foundation rear side plate, the ring network foundation left side plate, the ring network foundation right side plate, the inspection well front side plate, the inspection well rear side plate and the inspection well right side plate are spliced with a hollow boss on a base;

step five: inserting the top ends of the first corner upright post, the second corner upright post, the first middle upright post, the second middle upright post, the front side plate of the ring network foundation, the rear side plate of the ring network foundation, the left side plate of the ring network foundation and the right side plate of the ring network foundation into the ring network foundation locking piece;

step six: and installing and fixing inspection well cover plates at the top ends of the third corner upright column, the fourth corner upright column, the front side plate of the inspection well, the rear side plate of the inspection well and the right side plate of the inspection well, thus finishing the construction of the ring network foundation.

Compared with the prior art, the invention has the following remarkable advantages:

(1) all components of the GFRP fabricated looped network foundation are made of light GFRP materials, the mechanical strength is high, the weight is light and hard, and the thickness of the installation component of the GFRP fabricated looped network foundation is only 1/3-1/4 of that of concrete or brick masonry foundation; the GFRP material is non-conductive and stable in performance, and is more suitable for being used as a component of a power system compared with a reinforced concrete foundation or an assembled reinforced concrete foundation; the GFRP material has good corrosion resistance and durability, and the durability of the GFRP material is better than that of a reinforced concrete foundation or an assembled reinforced concrete foundation.

(2) The weight of all the components of the GFRP assembled ring network foundation is less than 30Kg, so that the single component can be operated by one person, large-scale machinery is not needed for matched construction, the requirement on the site environment is low, and the invention is suitable for construction working conditions with severe conditions.

(3) All components of the GFRP assembled ring network foundation are prefabricated in factories and assembled on site, the environment influence is small, no pollution is caused, the quality control in the construction process and the visibility in the assembly forming process are realized, the construction quality control is good, and the safety and the reliability are high.

(4) The GFRP assembled type ring network foundation disclosed by the invention adopts splicing among the components, is simple to install, convenient to dismantle and reusable, can adapt to various complex geological conditions, is wide in application range and remarkable in economic benefit and social benefit.

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 GFRP assembled ring network foundation of the present invention.

Fig. 2 is a perspective view of the GFRP modular ring network foundation of the present invention.

Fig. 3 is a schematic structural diagram of a base plate in the GFRP assembled ring network foundation of the present invention.

Fig. 4 is a schematic structural diagram of a base in the GFRP assembled ring network foundation of the present invention.

Fig. 5 is a schematic structural diagram of a fore shaft connector in the GFRP assembled ring network foundation of the present invention.

Fig. 6 is a schematic structural diagram of a side plate in the GFRP assembled ring network foundation of the present invention.

Fig. 7 is a schematic structural diagram of a corner column in the GFRP assembled ring network foundation of the present invention.

Fig. 8 is a schematic structural diagram of a middle upright post in the GFRP assembled ring network foundation of the present invention.

Fig. 9 is a schematic structural view of a looped network foundation locking piece in the GFRP assembled looped network foundation of the present invention.

Fig. 10 is a schematic structural diagram of a cover plate in the GFRP assembled ring network foundation of the present 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.