CN111827357A - Assembled four-way cable well and construction method thereof - Google Patents

Abstract

The invention relates to the technical field of electric power construction, and discloses an assembled four-way cable well and a construction method thereof; each part of the assembled four-way cable well is made of novel GFRP (glass fiber reinforced plastics) materials with light weight, high strength and corrosion resistance, the structural performance of the cable well is guaranteed, the weight of the cable well is reduced, transportation and hoisting are convenient, the mass of each part is not more than 40kg, large-scale mechanical hoisting is not needed, field selection is flexible, the working efficiency is improved, and the assembled four-way cable well has the characteristics of economy, reasonability, convenience in transportation and convenience in construction; all parts of the cable well are anticorrosive, so that the cable well has good weather resistance and durability, does not need later-stage anticorrosive maintenance after one-time construction, reduces later-stage maintenance cost, and is suitable for coastal corrosive environments; the cable shaft adopts the stiffening panel and the fine aggregate concrete to form the combined bottom plate, so that the overall rigidity of the bottom plate is improved, the overall stability of the four-way cable shaft is enhanced, the problem of uneven settlement is avoided, and the construction method is suitable for coastal soft soil foundation construction.

Description

Assembled four-way cable well and construction method thereof

Technical Field

The invention relates to the technical field of power construction, in particular to an assembled four-way 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 cast-in-place reinforced concrete cable well commonly used in the prior art, the cable well is constructed by in-situ formwork erecting, reinforcing steel bar binding and concrete pouring, and the defects of long construction period, obvious weather influence on the construction period, large construction quality fluctuation, high labor intensity of workers, no contribution to environmental protection and the like exist.

The prefabricated assembly type concrete cable well in the prior art has the problems of overlarge integral weight, difficulty in hoisting and transporting and the like. For example, the patent number is 201621226722.X, a prefabricated cable shaft, including prefabricated well body, prefabricated well lid and prefabricated bottom plate, prefabricated well body, prefabricated well lid and prefabricated bottom plate all adopt reinforced concrete to make, and its whole weight is too big, hoist and mount transportation difficulty, be not convenient for the construction.

Disclosure of Invention

The invention aims to provide an assembled four-way cable well and a construction method thereof, which can reduce the weight of the cable well and improve the construction efficiency on the premise of meeting the functions and the bearing capacity of the cable well, so as to solve the problems of overlarge weight, low construction efficiency and the like of the traditional concrete cable well.

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

an assembled four-way cable shaft is characterized by comprising a bottom plate, a base, corner columns, a baffle plate, a bolt and a cover plate; the corner columns comprise a first corner column, a second corner column, a third corner column, a fourth corner column, a fifth corner column, a sixth corner column, a seventh corner column and an eighth corner column; the baffle plates comprise a first baffle plate, a second baffle plate, a third baffle plate, a fourth baffle plate, a fifth baffle plate, a sixth baffle plate, a seventh baffle plate, an eighth baffle plate, a ninth baffle plate, a tenth baffle plate, an eleventh baffle plate and a twelfth baffle plate; a fine stone concrete layer is arranged on the top surface of the bottom plate, and the bottom plate and the fine stone concrete layer form a combined bottom plate; eight bases are arranged on the bottom plate and arranged according to an octagon; the first corner column, the second corner column, the third corner column, the fourth corner column, the fifth corner column, the sixth corner column, the seventh corner column and the eighth corner column are respectively fixed on the corresponding bases; a first baffle is fixed at one end of the first corner post through a bolt, a second baffle is fixed between the other end of the first corner post and one end of the second corner post through a bolt, and a third baffle is fixed at the other end of the second corner post through a bolt; a fourth baffle is fixed at one end of the third corner column through a bolt, a fifth baffle is fixed between the other end of the third corner column and one end of the fourth corner column through a bolt, and a sixth baffle is fixed at the other end of the fourth corner column through a bolt; a seventh baffle plate is fixed at one end of the fifth corner column through a bolt, an eighth baffle plate is fixed between the other end of the fifth corner column and one end of the sixth corner column through a bolt, and a ninth baffle plate is fixed at the other end of the sixth corner column through a bolt; a tenth baffle is fixed at one end of the seventh corner post through a bolt, an eleventh baffle is fixed between the other end of the seventh corner post and one end of the eighth corner post through a bolt, and a twelfth baffle is fixed at the other end of the eighth corner post through a bolt; the second baffle and the eighth baffle, and the fifth baffle and the eleventh baffle are parallel to each other, and the second baffle, the eighth baffle, the fifth baffle and the eleventh baffle are combined to form a four-way shaft chamber; the first baffle and the twelfth baffle, the third baffle and the fourth baffle, the sixth baffle and the seventh baffle, and the ninth baffle and the tenth baffle are all parallel to each other to form four cable channels; the cover plate is arranged on the tops of the corner posts and the baffle plate; the bottom plate, the base, the corner posts, the baffle plates, the cover plate and the bolts are all made of light GFRP materials.

As a preferred technical scheme of the invention, the bottom plate is formed by splicing a plurality of stiffening panels, and two adjacent stiffening panels are connected through a tongue-and-groove; every stiffening panel all includes panel and a plurality of stiffening rib, and even on the panel be provided with a plurality of stiffening rib.

As a preferred technical scheme of the invention, grooves are arranged at two ends of the base, the base is spliced with the corner posts, and the size of the section of the base is slightly smaller than the size of the inner section of the cavity of the corner post.

As a preferable technical solution of the present invention, the first corner column, the second corner column, the third corner column, the fourth corner column, the fifth corner column, the sixth corner column, the seventh corner column and the eighth corner column are all hollow structures, and the wall thickness thereof is not less than 5 mm.

As a preferred technical solution of the present invention, the two ends of the first corner column, the second corner column, the third corner column, the fourth corner column, the fifth corner column, the sixth corner column, the seventh corner column and the eighth corner column are respectively provided with a slot opening, and the slot openings are fixedly connected with the adjacent baffle plates through bolts.

As a preferable technical solution of the present invention, the first baffle, the second baffle, the third baffle, the fourth baffle, the fifth baffle, the sixth baffle, the seventh baffle, the eighth baffle, the ninth baffle, the tenth baffle, the eleventh baffle and the twelfth baffle are all box-type structures, and the wall thickness thereof is not less than 4 mm.

As a preferred technical scheme of the invention, the second baffle, the eighth baffle, the fifth baffle and the eleventh baffle are formed by splicing two or more box-type side plates, and the two adjacent box-type side plates are fixedly connected through a latch; the first baffle, the twelfth baffle, the third baffle, the fourth baffle, the sixth baffle, the seventh baffle, the ninth baffle and the tenth baffle are all box-type side plates.

As a preferable technical scheme of the invention, the cover plate is a grid type cover plate.

As a preferable technical scheme of the invention, the cross section of the bolt is H-shaped.

A construction method of an assembled four-way cable well is characterized by comprising the following steps:

the method comprises the following steps: connecting a plurality of stiffening panels through the tongue-and-groove, and splicing into a whole bottom plate with required size; fixing the eight bases on the bottom plate through bolts, wherein the eight bases are arranged according to an octagon;

step two: pouring fine stone concrete on the whole bottom plate, wherein the bottom plate and the fine stone concrete form a combined bottom plate;

step three: fixing the corner posts on the base in an inserting manner;

step four: fixing the baffle plates on the corner columns through bolts, and fixedly connecting the two adjacent side plates through the bolts;

step five: and (4) mounting the cover plate on the corner post and the baffle, and bonding waterproof rubber strips at all the abutted seams to complete the construction of the four-way cable well.

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

(1) each part of the assembled four-way cable well is made of novel GFRP materials with light weight, high strength and corrosion resistance, the structural performance of the cable well is guaranteed, the weight of the cable well is reduced, transportation and hoisting are convenient, the mass of each part does not exceed 40kg, large-scale mechanical hoisting is not needed, field selection is flexible, the working efficiency is improved, and the assembled four-way cable well has the characteristics of economy, reasonability, convenience in transportation and convenience in construction.

(2) The assembly type four-way cable well has the advantages that each part is anticorrosive, the weather resistance and the durability are good, the later-stage anticorrosive maintenance is not needed after one-time construction, the later-stage maintenance cost is reduced, and the assembly type four-way cable well is suitable for coastal corrosive environments.

(3) The assembled four-way cable well adopts the stiffening panel and the fine aggregate concrete to form the combined bottom plate, so that the integral rigidity of the bottom plate is improved, the integral stability of the four-way cable well is enhanced, the problem of uneven settlement is avoided, and the assembled four-way cable well can adapt to the construction of coastal soft soil foundations.

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 an assembled four-way cable well according to the present invention.

Fig. 2 is a schematic structural diagram of a bottom plate in the fabricated four-way cable well according to the invention.

Fig. 3 is a schematic structural diagram of a base in the fabricated four-way cable well according to the invention.

Fig. 4 is a schematic structural diagram of a corner post in the fabricated four-way cable well according to the present invention.

Fig. 5 is a schematic structural diagram of a baffle plate in the fabricated four-way cable well according to the invention.

Fig. 6 is a schematic structural diagram of a plug in the fabricated four-way cable well according to 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.

Example 1:

as shown in fig. 1, the assembled four-way cable well comprises a bottom plate 1, a base 2, corner posts 3, a baffle 4, a plug pin 5 and a cover plate; the corner posts 3 comprise a first corner post 31, a second corner post 32, a third corner post 33, a fourth corner post 34, a fifth corner post 35, a sixth corner post 36, a seventh corner post 37 and an eighth corner post 38; the baffle 4 includes a first baffle 401, a second baffle 402, a third baffle 403, a fourth baffle 404, a fifth baffle 405, a sixth baffle 406, a seventh baffle 407, an eighth baffle 408, a ninth baffle 409, a tenth baffle 410, an eleventh baffle 411, and a twelfth baffle 412; a fine stone concrete layer is arranged on the top surface of the bottom plate 1, and the bottom plate 1 and the fine stone concrete layer form a combined bottom plate; eight bases 2 are arranged on the bottom plate 1, and the eight bases 2 are arranged according to an octagon; the first corner column 31, the second corner column 32, the third corner column 33, the fourth corner column 34, the fifth corner column 35, the sixth corner column 36, the seventh corner column 37 and the eighth corner column 38 are respectively fixed on the corresponding base 2; a first baffle 401 is fixed at one end of the first corner column 31 through a bolt 5, a second baffle 402 is fixed between the other end of the first corner column 31 and one end of the second corner column 32 through a bolt 5, and a third baffle 403 is fixed at the other end of the second corner column 32 through a bolt 5; a fourth baffle 404 is fixed at one end of the third corner column 33 through a bolt 5, a fifth baffle 405 is fixed between the other end of the third corner column 33 and one end of the fourth corner column 34 through the bolt 5, and a sixth baffle 406 is fixed at the other end of the fourth corner column 34 through the bolt 5; a seventh baffle 407 is fixed to one end of the fifth corner post 35 through a pin 5, an eighth baffle 408 is fixed between the other end of the fifth corner post 35 and one end of the sixth corner post 36 through a pin 5, and a ninth baffle 409 is fixed to the other end of the sixth corner post 36 through a pin 5; a tenth baffle 410 is fixed to one end of the seventh corner post 37 through a pin 5, an eleventh baffle 411 is fixed between the other end of the seventh corner post 37 and one end of the eighth corner post 38 through a pin 5, and a twelfth baffle 412 is fixed to the other end of the eighth corner post 38 through a pin 5; the second baffle 402 and the eighth baffle 408, and the fifth baffle 405 and the eleventh baffle 411 are all parallel to each other, and the second baffle 402, the eighth baffle 408, the fifth baffle 405 and the eleventh baffle 411 form a four-way shaft chamber in combination; the first baffle 401 and the twelfth baffle 412, the third baffle 403 and the fourth baffle 404, the sixth baffle 406 and the seventh baffle 407, and the ninth baffle 409 and the tenth baffle 410 are all parallel to each other, so as to form four cable channels; the cover plate is arranged on the tops of the corner posts 3 and the baffle 4; the bottom plate 1, the base 2, the corner posts 3, the baffle 4, the cover plate and the bolt 5 are all made of GFRP materials. Each part of the assembled four-way cable well is made of novel GFRP (glass fiber reinforced plastics) materials with light weight, high strength and corrosion resistance, so that the weight of the cable well is reduced on the premise of ensuring the structural performance of the cable well, the transportation and the installation are convenient, each part has good corrosion resistance, the later maintenance is not needed after one-time construction, the maintenance cost is reduced, and the assembled four-way cable well is suitable for coastal corrosion environments.

As shown in fig. 2, the bottom plate 1 is formed by splicing a plurality of stiffening panels, two adjacent stiffening panels are connected by a tongue-and-groove, and fine aggregate concrete is poured. Every stiffening panel all includes panel and a plurality of stiffening rib, and even being provided with a plurality of stiffening rib on the panel, the stiffening rib plays the reinforcing effect to make panel and fine aggregate concrete bond better.

As shown in figure 3, the two side walls of the base 2 are provided with grooves, the base 2 is spliced with the corner posts 3, the cross section of the base is slightly smaller than the inner size of the cross section of the cavity of the corner post, and the splicing connection mode is adopted, so that the construction is convenient, and the construction efficiency is improved.

As shown in fig. 4, the first corner column 31, the second corner column 32, the third corner column 33, the fourth corner column 34, the fifth corner column 35, the sixth corner column 36, the seventh corner column 37 and the eighth corner column 38 are all hollow structures, and the wall thickness thereof is not less than 5 mm; the requirement on the structural rigidity of the cable well is ensured. The two ends of the first corner column 31, the second corner column 32, the third corner column 33, the fourth corner column 34, the fifth corner column 35, the sixth corner column 36, the seventh corner column 37 and the eighth corner column 38 are all provided with slot openings, and the slot openings are fixedly connected with the adjacent baffle plates through bolts 5; adopt bolt fixed connection, the construction of being convenient for has improved the efficiency of construction.

As shown in fig. 5, the first baffle 401, the second baffle 402, the third baffle 403, the fourth baffle 404, the fifth baffle 405, the sixth baffle 406, the seventh baffle 407, the eighth baffle 408, the ninth baffle 409, the tenth baffle 410, the eleventh baffle 411 and the twelfth baffle 412 are all box-type structures, and the wall thickness thereof is not less than 4mm, so that the weight of the cable well is reduced on the premise of satisfying the structural load and function. The second baffle 402, the eighth baffle 408, the fifth baffle 405 and the eleventh baffle 411 are formed by splicing two or more box-type side plates, and the two adjacent box-type side plates are fixedly connected through a bolt 5; the first baffle 401, the twelfth baffle 412, the third baffle 403, the fourth baffle 404, the sixth baffle 406, the seventh baffle 407, the ninth baffle 409 and the tenth baffle 410 are all box-type side plates. And the box-type side plates are adopted, so that the overall weight of the four-way cable well is greatly reduced.

As shown in fig. 6, the cross section of the plug 5 is H-shaped.

The cover plate is a grid type cover plate, so that the material consumption is reduced.

A construction method of an assembled four-way cable well comprises the following steps:

the method comprises the following steps: connecting a plurality of stiffening panels through the tongue-and-groove, and splicing into a whole bottom plate 1 with required size; fixing the eight bases 2 on the bottom plate 1 through bolts, wherein the eight bases 2 are arranged according to an octagon;

step two: pouring fine stone concrete on the whole bottom plate 1, and forming a combined bottom plate by the bottom plate 1 and the fine stone concrete;

step three: respectively fixing a first corner post 31, a second corner post 32, a third corner post 33, a fourth corner post 34, a fifth corner post 35, a sixth corner post 36, a seventh corner post 37 and an eighth corner post 38 on the corresponding base 2 in an inserting manner;

step four: fixing a first baffle 401, a second baffle 402, a third baffle 403, a fourth baffle 404, a fifth baffle 405, a sixth baffle 406, a seventh baffle 407, an eighth baffle 408, a ninth baffle 409, a tenth baffle 410, an eleventh baffle 411 and a twelfth baffle 412 on corresponding corner posts respectively through bolts 5, and fixedly connecting two adjacent side plates through the bolts 5;

step five: and (3) mounting the cover plate on the corner post 3 and the baffle 4, and bonding waterproof rubber strips at all the abutted seams to complete the construction of the four-way cable well.

All parts of the assembled four-way cable well are designed in a modularized manner, produced in a standardized manner and constructed in an assembled manner, so that the production and construction efficiency of the four-way cable well is improved, and the construction period is shortened; all parts of the assembled four-way cable well are manufactured by a pultrusion method, and the assembled four-way cable well has good integrity and stability.

In conclusion, each component of the fabricated four-way cable well is made of novel GFRP (glass fiber reinforced plastics) materials with light weight, high strength and corrosion resistance, the structural performance of the cable well is guaranteed, the weight of the cable well is reduced, transportation and hoisting are convenient, the mass of each component does not exceed 40kg, large-scale mechanical hoisting is not needed, field selection is flexible, the working efficiency is improved, and the fabricated four-way cable well has the characteristics of economy, reasonability, convenience in transportation and convenience in construction. The assembly type four-way cable well has the advantages that each part is anticorrosive, the weather resistance and the durability are good, the later-stage anticorrosive maintenance is not needed after one-time construction, the later-stage maintenance cost is reduced, and the assembly type four-way cable well is suitable for coastal corrosive environments. The assembled four-way cable well adopts the stiffening panel and the fine aggregate concrete to form the combined bottom plate, so that the integral rigidity of the bottom plate is improved, the integral stability of the four-way cable well is enhanced, the problem of uneven settlement is avoided, and the assembled four-way cable well can adapt to the construction of coastal soft soil foundations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An assembled four-way cable well is characterized by comprising a bottom plate (1), a base (2), corner posts (3), a baffle (4), a bolt (5) and a cover plate; the corner posts (3) comprise a first corner post (31), a second corner post (32), a third corner post (33), a fourth corner post (34), a fifth corner post (35), a sixth corner post (36), a seventh corner post (37) and an eighth corner post (38); the baffle (4) comprises a first baffle (401), a second baffle (402), a third baffle (403), a fourth baffle (404), a fifth baffle (405), a sixth baffle (406), a seventh baffle (407), an eighth baffle (408), a ninth baffle (409), a tenth baffle (410), an eleventh baffle (411) and a twelfth baffle (412); a fine stone concrete layer is arranged on the top surface of the bottom plate (1), and the bottom plate (1) and the fine stone concrete layer form a combined bottom plate; the base plate (1) is provided with eight bases (2), and the eight bases (2) are arranged according to an octagon; the first corner column (31), the second corner column (32), the third corner column (33), the fourth corner column (34), the fifth corner column (35), the sixth corner column (36), the seventh corner column (37) and the eighth corner column (38) are respectively fixed on the corresponding base (2); a first baffle plate (401) is fixed at one end of the first corner column (31) through a bolt (5), a second baffle plate (402) is fixed between the other end of the first corner column (31) and one end of the second corner column (32) through the bolt (5), and a third baffle plate (403) is fixed at the other end of the second corner column (32) through the bolt (5); a fourth baffle (404) is fixed at one end of the third corner column (33) through a bolt (5), a fifth baffle (405) is fixed between the other end of the third corner column (33) and one end of the fourth corner column (34) through the bolt (5), and a sixth baffle (406) is fixed at the other end of the fourth corner column (34) through the bolt (5); a seventh baffle (407) is fixed to one end of the fifth corner column (35) through a bolt (5), an eighth baffle (408) is fixed to the position between the other end of the fifth corner column (35) and one end of the sixth corner column (36) through the bolt (5), and a ninth baffle (409) is fixed to the other end of the sixth corner column (36) through the bolt (5); a tenth baffle (410) is fixed at one end of the seventh corner post (37) through a bolt (5), an eleventh baffle (411) is fixed between the other end of the seventh corner post (37) and one end of the eighth corner post (38) through the bolt (5), and a twelfth baffle (412) is fixed at the other end of the eighth corner post (38) through the bolt (5); the second baffle (402), the eighth baffle (408), the fifth baffle (405) and the eleventh baffle (411) are parallel to each other, and the second baffle (402), the eighth baffle (408), the fifth baffle (405) and the eleventh baffle (411) are combined to form a four-way well chamber; the first baffle (401) and the twelfth baffle (412), the third baffle (403) and the fourth baffle (404), the sixth baffle (406) and the seventh baffle (407), and the ninth baffle (409) and the tenth baffle (410) are all parallel to each other to form four cable channels; the cover plate is arranged at the tops of the corner posts (3) and the baffle plate (4); the base plate (1), the base (2), the corner posts (3), the baffle plate (4), the cover plate and the bolt (5) are all made of GFRP materials.

2. The assembled four-way cable shaft according to claim 1, wherein the bottom plate (1) is formed by splicing a plurality of stiffening panels, and two adjacent stiffening panels are connected through a tongue-and-groove; every stiffening panel all includes panel and a plurality of stiffening rib, and even on the panel be provided with a plurality of stiffening rib.

3. The assembled four-way cable shaft according to claim 1, wherein grooves are formed in two ends of the base (2), and the base (2) is spliced with the corner posts (3).

4. The fabricated four-way cable well according to claim 1, wherein the first corner post (31), the second corner post (32), the third corner post (33), the fourth corner post (34), the fifth corner post (35), the sixth corner post (36), the seventh corner post (37) and the eighth corner post (38) are all hollow structures, and the wall thickness of the hollow structures is not less than 5 mm.

5. The assembled four-way cable well according to claim 4, wherein the two ends of the first corner column (31), the second corner column (32), the third corner column (33), the fourth corner column (34), the fifth corner column (35), the sixth corner column (36), the seventh corner column (37) and the eighth corner column (38) are provided with slot openings, and the slot openings are fixedly connected with the adjacent baffle plates through the pins (5).

6. The fabricated four-way cable well according to claim 1, wherein the first baffle (401), the second baffle (402), the third baffle (403), the fourth baffle (404), the fifth baffle (405), the sixth baffle (406), the seventh baffle (407), the eighth baffle (408), the ninth baffle (409), the tenth baffle (410), the eleventh baffle (411) and the twelfth baffle (412) are all box-type structures, and the wall thickness of the box-type structures is not less than 4 mm.

7. The assembled four-way cable shaft according to claim 6, wherein the second baffle plate (402), the eighth baffle plate (408), the fifth baffle plate (405) and the eleventh baffle plate (411) are formed by splicing two or more box-type side plates, and the two adjacent box-type side plates are fixedly connected through a bolt (5); the first baffle (401), the twelfth baffle (412), the third baffle (403), the fourth baffle (404), the sixth baffle (406), the seventh baffle (407), the ninth baffle (409) and the tenth baffle (410) are all box-type side plates.

8. The fabricated four-way cable shaft of claim 1, wherein the cover plate is a grid-type cover plate.

9. The fabricated four-way cable shaft according to claim 1, wherein the cross-section of the plug (5) is H-shaped.

10. A method of constructing an assembled four-way cable shaft according to claim 1, comprising the steps of:

the method comprises the following steps: connecting a plurality of stiffening panels through the tongue-and-groove to splice a whole bottom plate (1) with required size; the eight bases (2) are fixed on the bottom plate (1) through bolts, and the eight bases (2) are arranged according to an octagon;

step two: pouring fine stone concrete on the whole bottom plate (1), wherein the bottom plate (1) and the fine stone concrete form a combined bottom plate;

step three: fixing the corner post (3) on the base (2) in an inserting manner;

step four: the baffle plate (4) is fixed on the corner post (3) through a bolt (5), and two adjacent side plates are fixedly connected through the bolt (5);

step five: and (3) installing the cover plate on the corner post (3) and the baffle (4), and bonding waterproof rubber strips at all the abutted seams to complete the construction of the four-way cable well.

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