CN115189289A - CPVC power pipe laying method and fastening mechanism thereof - Google Patents
CPVC power pipe laying method and fastening mechanism thereof Download PDFInfo
- Publication number
- CN115189289A CN115189289A CN202210677861.8A CN202210677861A CN115189289A CN 115189289 A CN115189289 A CN 115189289A CN 202210677861 A CN202210677861 A CN 202210677861A CN 115189289 A CN115189289 A CN 115189289A
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- Prior art keywords
- power pipe
- cpvc power
- cpvc
- laying
- groove
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- 239000004801 Chlorinated PVC Substances 0.000 title claims abstract description 96
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 title claims abstract description 96
- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002689 soil Substances 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 4
- 238000005429 filling process Methods 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a CPVC (chlorinated polyvinyl chloride) power pipe laying method and a fastening mechanism thereof, relating to the technical field of CPVC power pipe laying; fastening mechanism that CPVC power pipe was laid, include: the connecting pipe comprises a plurality of connecting pipe heads, wherein a bottom plate and a cover plate are arranged between every two adjacent connecting pipe heads; the laying method of the CPVC power pipe comprises the following specific steps: s1: digging a groove; and excavating a groove for embedding the CPVC power pipe at a specified position according to a laying planning drawing of the CPVC power pipe. According to the fastening mechanism for laying the CPVC power pipe, the connecting position of the CPVC power pipe is sealed by arranging the connecting pipe head, so that the sealing performance of the connecting position is improved, and meanwhile, the impact resistance of the CPVC power pipe is improved through the bottom plate and the cover plate; according to the paving method of the CPVC power pipe, the soil is backfilled step by step for many times, so that the stability of the CPVC power pipe in the groove is improved, and the soil filling process is simpler and more convenient.
Description
Technical Field
The invention relates to the technical field of laying of CPVC (chlorinated polyvinyl chloride) power pipes, in particular to a CPVC power pipe laying method and a fastening mechanism thereof.
Background
The CPVC power pipe is usually used as a cable protection pipe, and the CPVC power pipe has the characteristics of high strength, good flexibility, high temperature resistance, corrosion resistance, flame retardance, good insulating property, no pollution, difficult aging, light weight, convenient construction and the like. CPVC power pipe needs to be consolidated through fastening device after laying the completion, ensures that CPVC power pipe is inside isolated with external environment, avoids external environment to cause adverse effect to the inside cable of CPVC power pipe.
Through retrieving, chinese patent application number is CN 201921462368.4's patent discloses a fastening device for electric power union coupling, including first electric power pipe, first electric power pipe one end lateral wall is provided with first connecting block, the fixed stopper that is provided with in first connecting block one side, first electric power pipe one end is connected with the second electric power pipe, second electric power pipe outside lateral wall is provided with the bar piece, bar piece top fixed connection uide bushing, the uide bushing inner chamber slides and is provided with the connecting rod, connecting rod one end fixed connection push rod, just the equidistant recess of seting up of connecting rod other end lateral wall.
The above patents suffer from the following disadvantages: CPVC power pipe is laying the in-process, need carry out the manual work and carry out the slot and backfill, avoids machinery to cause the damage to CPVC power pipe, but this kind of backfill mode, the cost is long, will guarantee the density of backfill soil, reaches the standard, needs the cost longer time.
The device's fastening device can't guarantee the connection effect of CPVC power pipe in the use, and CPVC power pipe self elasticity is higher, and according to the needs of backfill, fastening device among the above-mentioned device can't satisfy the fastening needs of CPVC power pipe.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a CPVC power pipe laying method and a fastening mechanism thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fastening mechanism for laying CPVC power pipes comprises:
the connecting pipe comprises a plurality of connecting pipe heads, wherein a bottom plate and a cover plate are arranged between every two adjacent connecting pipe heads;
the connector tube head is used for the junction of joint CPVC power pipe, the bottom plate is used for supporting the CPVC power pipe, the apron is used for reducing the holding capacity on the top of CPVC power pipe.
As a preferable aspect of the present invention: the connector head includes the base, the bottom fixedly connected with locating piece of base, a plurality of cuttage poles of bottom equidistance fixedly connected with of locating piece, the equal fixedly connected with in top of base both sides connects flange one.
As a preferable aspect of the present invention: the top of base is provided with the top cap, two limiting plates of equal fixedly connected with in both ends side on top cap top, the slot has been seted up to one side of limiting plate, just the draw-in groove has been seted up on the top of limiting plate.
As a preferable aspect of the present invention: the two sides of the top cover are fixedly connected with a second connecting convex plate, the second connecting convex plate is fixedly connected with the first connecting convex plate through bolts, the bottom end of the top cover is fixedly connected with a second sealing rubber layer, and the top end of the base is fixedly connected with a first sealing rubber layer.
As a preferable aspect of the present invention: the bottom plate includes plate body one, the inside fixed mounting of plate body one has the support dictyosome, just a plurality of connection inserted bars of the equal equidistance fixedly connected with in both ends of plate body one.
As a preferable aspect of the present invention: the cover plate comprises a second plate body, and a connecting through groove is formed in the second plate body.
As a preferable aspect of the present invention: the two sides of the two tops of the plate body are fixedly connected with inserting plates, the upper surface of each inserting plate is provided with a limiting through groove, a limiting clamping block is inserted into the limiting through groove, and the top end of the limiting clamping block is fixedly connected with a positioning body.
A laying method of a CPVC power pipe comprises the following specific steps:
s1: digging a groove; according to a CPVC power pipe laying planning drawing, excavating a groove for embedding the CPVC power pipe at a specified position;
s2: laying a pipeline; paving a fastening mechanism for paving the CPVC power pipe and the CPVC power pipe inside the groove according to a power pipe paving standard;
s3: filling soil in the groove; and backfilling the groove paved with the CPVC power pipe according to the burying process standard of the CPVC power pipe.
On the basis of the scheme: the S2 pipeline laying comprises the following steps;
s21: placing a pipeline; placing the CPVC power pipe and the fastening mechanism at the bottom of the groove in sequence;
s22: connecting pipelines; sequentially connecting the CPVC power pipes through the power protecting sleeve;
s23: installing a base; sequentially mounting bases of the fastening mechanisms at corresponding positions of the electric power protective sleeves;
s24: mounting a bottom plate; mounting a base plate between two bases;
s25: erecting a pipeline; erecting the connected pipeline inside a fastening mechanism;
s26: installing a top cover; sequentially fixing a top cover of the fastening mechanism on the top end of the base;
s27: installing a cover plate; the cover plate is mounted between the two top covers.
On the basis of the scheme: s3, filling soil into the groove comprises the following steps;
s31: crushing soil; crushing soil generated by digging the groove to form fine soil with smaller particles;
s32: backfilling fine soil; backfilling the crushed fine soil into the groove;
s33: injecting water and stacking; injecting water into the backfilled fine soil to make the fine soil fully absorb water and pile downwards;
s34: backfilling for the second time; backfilling fine soil into the trench for the second time;
s35: secondary water injection; continuously injecting water into the backfilled fine soil;
s36: sealing the top of the hard soil; paving dry hard soil on the top of the fine soil subjected to secondary water injection;
s37: recovering the pavement; and repairing the road surface with the trench.
The invention has the beneficial effects that:
1. the utility model provides a fastening device that CPVC power pipe laid, seals the processing through the junction that sets up the connecting pipe head to the CPVC power pipe, improves the sealing performance of junction, improves CPVC power pipe simultaneously through bottom plate and apron and supports the ability of shocking resistance, avoids the CPVC power pipe to cause the damage at the in-process of backfill soil.
2. The utility model provides a fastening device that CPVC power pipe was laid seals the power protection sleeve through setting up the connecting pipe head, at the in-process of backfill, can directly adopt mechanical backfill, and is fast, effectual, backfill even, avoid the backfill to cause the influence to the power protection sleeve simultaneously.
3. A method for laying a CPVC power pipe is characterized in that a fastening mechanism is installed with power pipes in a distributed mode, so that the CPVC power pipes are simpler to connect, and the influence of backfill soil on the power pipes is reduced.
4. The utility model provides a CPVC power pipe's method of laying, through many times substep backfill, improves CPVC power pipe at the inside stability of slot, makes the process of backfilling, and is simple more convenient.
Drawings
FIG. 1 is a schematic view of the overall assembly of the present invention;
FIG. 2 is a schematic view of a connector head according to the present invention;
FIG. 3 is a schematic view of the structure of the base plate of the present invention;
FIG. 4 is a schematic structural diagram of the cover plate of the present invention;
FIG. 5 is a schematic view illustrating the process of burying the pipeline according to the present invention;
FIG. 6 is a schematic flow diagram of the pipe laying process of the present invention;
FIG. 7 is a schematic view illustrating a process of filling the trench according to the present invention.
In the figure: 1. connecting the pipe heads; 101. a base; 102. positioning blocks; 103. inserting the rod; 104. connecting holes; 105. a first sealing rubber layer; 106. connecting the first convex plate; 107. a top cover; 108. a limiting plate; 109. a slot; 110. a card slot; 111. a second sealing rubber layer; 112. connecting a second convex plate; 2. a base plate; 201. a first plate body; 202. a supporting net body; 203. connecting the inserted link; 3. a cover plate; 301. a second plate body; 302. connecting the through grooves; 303. a plugboard; 304. a limiting through groove; 305. a limiting clamping block; 306. a positioning body.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
The first embodiment is as follows:
a fastening mechanism for CPVC power pipe laying, as shown in fig. 1 to 4, comprising:
a plurality of connector 1, be provided with bottom plate 2 and apron 3 between two adjacent connector 1.
Connector head 1 is used for the junction of joint CPVC power pipe, and two CPVC power pipes carry out sealing connection through the power protecting sleeve, and the power protecting sleeve joint is inside connector head 1, at the in-process of backfill, the power protecting sleeve not with backfill contact, avoid backfill to lead to the fact the influence to the power protecting sleeve.
The connector head 1 comprises a base 101, a positioning block 102 is integrally cast and formed at the bottom end of the base 101, two sides of the positioning block 102 are filled with backfill in the process of backfill, the backfill fixes the base 101, and a plurality of connecting holes 104 are formed in the bottoms of two ends of the base 101 at equal intervals;
a plurality of cuttage poles 103 are welded at the bottom end of the positioning block 102 at equal intervals, the cuttage poles 103 are inserted into soil at the bottom end of the groove, and a first connecting convex plate 106 is integrally cast and formed at the top ends of two sides of the base 101.
The top of base 101 is provided with top cap 107, and two limiting plates 108 have all been welded to the both ends side on top cap 107 top, and slot 109 has been seted up to one side of limiting plate 108, and draw-in groove 110 has been seted up on the top of limiting plate 108.
Two sides of the top cover 107 are integrally cast with a second connecting convex plate 112, the second connecting convex plate 112 is fixedly connected with a first connecting convex plate 106 through bolts, a second sealing rubber layer 111 is bonded at the bottom end of the top cover 107, and a first sealing rubber layer 105 is bonded at the top end of the base 101;
the first sealing rubber layer 105 and the second sealing rubber layer 111 are attached to the outer wall of the electric power sheath pipe, the length of the first sealing rubber layer and the length of the second sealing rubber layer are both longer than one half of the length of the electric power sheath pipe, and the extended parts are attached to the outer wall of the CPVC electric power pipe.
Bottom plate 2 is used for supporting the CPVC power pipe, and the upper surface of bottom plate 2 sets up to concave down arc, and the outer wall laminating of CPVC power pipe is at the upper surface of bottom plate 2.
The bottom plate 2 comprises a first plate body 201, a through groove is formed in one side of the first plate body 201, a supporting net body 202 is fixedly installed inside the through groove, the supporting net body 202 is matched with the through groove to reduce the overall weight of the bottom plate 2, and the backfilling soil is conveniently connected with the bottom plate 2, so that the bottom plate 2 is fixed inside the backfilling soil;
the equal equidistance welding in both ends of plate body 201 has a plurality of inserted bars 203 of connecting, and a plurality of inserted bars 203 of connecting are pegged graft respectively inside a plurality of connecting holes 104, fix bottom plate 2 through two bases 101 tentatively.
The apron 3 is used for reducing the holding capacity on the top of CPVC power pipe, and the lower surface of apron 3 sets up to the last concave arc face, and the laminating is at the outer wall of CPVC power pipe, and the direct impact of backfill soil to CPVC power pipe is kept out.
The cover plate 3 comprises a second plate body 301, a connecting through groove 302 is formed in the second plate body 301, fine soil is filled in the connecting through groove 302 in the soil backfilling process, and the second plate body 301 is fixed relative to the backfilled soil after water injection treatment;
plug boards 303 are welded on two side sides of the top end of the second plate body 301, a limiting through groove 304 is formed in the upper surface of each plug board 303, a limiting clamping block 305 is plugged inside each limiting through groove 304, and a positioning body 306 is integrally cast and formed at the top end of each limiting clamping block 305;
the plug board 303 is inserted into the slots 109 of the limiting plates 108, the limiting fixture block 305 is disposed between the two limiting plates 108 at one end of the top cover 107, and the positioning body 306 is clamped into the slots 110 of the two limiting plates 108.
The second embodiment;
a method for laying CPVC power pipes, as shown in fig. 5 to 7, includes the following specific steps:
s1: digging a groove; according to CPVC power pipe laying planning drawing, bury the slot of CPVC power pipe underground through mechanical excavation at the assigned position to carry out leveling to the bottom cell wall of slot, the pipe laying of being convenient for.
S2: laying a pipeline; paving a fastening mechanism for paving the CPVC power pipe and the CPVC power pipe inside the groove according to a power pipe paving standard;
s21: placing a pipeline; placing the CPVC power pipes and fastening mechanisms at the bottom of the groove in sequence, wherein each fastening mechanism corresponds to the joint of two CPVC power pipes;
s22: connecting pipelines; the CPVC power pipes are sequentially connected through the power protecting pipe, one end of each of two adjacent CPVC power pipes is inserted into the power protecting pipe, and the power protecting pipe is used for preliminarily sealing the CPVC power pipes;
s23: installing a base; sequentially inserting bases of a plurality of fastening mechanisms into the groove wall at the bottom end of the groove through a cuttage rod, wherein each base corresponds to one electric power protective sleeve;
s24: mounting a bottom plate; installing a bottom plate between two bases, and inserting connecting inserted rods at two ends of the bottom plate into the connecting holes;
s25: erecting a pipeline; erecting the connected pipeline inside a fastening mechanism, clamping the electric power protecting sleeve inside a sealing rubber layer I of the base, and attaching the CPVC electric power pipe to the upper surface of the bottom plate;
s26: installing a top cover; sequentially fixing a top cover of the fastening mechanism on the top end of the base, fixing the top cover and the base through bolts, and enabling a sealing rubber layer II of the top cover to be attached to the top end of the power sheath pipe;
s27: installing a cover plate; the cover plate is arranged between the two top covers, and the plugboard is fixed with the limiting plate through the limiting clamping block and the positioning body.
S3: filling soil in the groove; backfilling the groove paved with the CPVC power pipe according to the embedding process standard of the CPVC power pipe;
s31: crushing soil; the soil generated by the excavated groove is crushed to form fine soil with smaller particles, and large-particle stones in the soil are removed, so that the stones are prevented from damaging the CPVC power tube in the backfilling process;
s32: backfilling fine soil; backfilling the crushed fine soil into the groove through a machine, and enabling the backfilled fine soil to sink over the cover plate;
s33: injecting water and stacking; injecting water into the backfilled fine soil to enable the fine soil to fully absorb moisture, piling the fine soil downwards, and primarily fixing the CPVC power pipe and the fastening mechanism after the backfilled fine soil is piled;
s34: backfilling for the second time; backfilling fine soil into the trench for the second time to fill the trench with the backfilled fine soil;
s35: secondary water injection; continuously injecting water into the backfilled fine soil to continuously pile the fine soil, and fully coating the CPVC power pipe and the fastening mechanism by the piled fine soil;
s36: sealing the top of the hard soil; dry hard soil and broken stone blocks are laid at the top end of the fine soil subjected to secondary water injection, so that the impact resistance of the top end of the fine soil is improved;
s37: recovering the pavement; and repairing the road surface with the grooves to restore the road surface to a state that the vehicle can be driven, and restoring the non-road surface to a plant state.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A fastening mechanism that CPVC power pipe was laid, characterized by includes:
the connecting pipe comprises a plurality of connecting pipe heads (1), wherein a bottom plate (2) and a cover plate (3) are arranged between every two adjacent connecting pipe heads (1);
the connecting tube head (1) is used for the junction of joint CPVC power pipe, bottom plate (2) are used for supporting the CPVC power pipe, apron (3) are used for reducing the bearing capacity on the top of CPVC power pipe.
2. A fastening mechanism for laying a CPVC power pipe as claimed in claim 1, wherein: the connector head (1) comprises a base (101), the bottom fixedly connected with locating piece (102) of base (101), a plurality of cuttage poles (103) of the bottom equidistance fixedly connected with of locating piece (102), the equal fixedly connected with in top of base (101) both sides connects flange one (106).
3. A fastening mechanism for laying CPVC power pipe as claimed in claim 2, wherein: the top of base (101) is provided with top cap (107), two limiting plate (108) of equal fixedly connected with in both ends side on top cap (107) top, slot (109) have been seted up to one side of limiting plate (108), just draw-in groove (110) have been seted up on the top of limiting plate (108).
4. A fastening mechanism for laying CPVC power pipe as claimed in claim 3, wherein: the two sides of the top cover (107) are fixedly connected with a second connecting convex plate (112), the second connecting convex plate (112) is fixedly connected with a first connecting convex plate (106) through a bolt, the bottom end of the top cover (107) is fixedly connected with a second sealing rubber layer (111), and the top end of the base (101) is fixedly connected with a first sealing rubber layer (105).
5. A fastening mechanism for laying CPVC power pipe as claimed in claim 1, wherein: bottom plate (2) package rubbing board body (201), the inside fixed mounting of plate body (201) has support dictyosome (202), just the equal equidistance fixedly connected with in both ends of plate body (201) a plurality of connection inserted bars (203).
6. A fastening mechanism for laying CPVC power pipe as claimed in claim 1, wherein: the cover plate (3) comprises a second plate body (301), and a connecting through groove (302) is formed in the second plate body (301).
7. A fastening mechanism for laying a CPVC power pipe as claimed in claim 6, wherein: the two side sides of the top end of the second plate body (301) are fixedly connected with inserting plates (303), the upper surface of each inserting plate (303) is provided with a limiting through groove (304), a limiting clamping block (305) is inserted into the limiting through groove (304), and the top end of each limiting clamping block (305) is fixedly connected with a positioning body (306).
8. A laying method of a CPVC power pipe is characterized by comprising the following specific steps:
s1: digging a groove; according to a CPVC power pipe laying planning drawing, excavating a groove for embedding the CPVC power pipe at a specified position;
s2: laying a pipeline; paving a fastening mechanism for paving the CPVC power pipe and the CPVC power pipe inside the groove according to the power pipe paving standard;
s3: filling soil in the groove; and backfilling the groove paved with the CPVC power pipe according to the burying process standard of the CPVC power pipe.
9. A method of laying a CPVC power pipe as claimed in claim 8, wherein: the S2 pipeline laying comprises the following steps;
s21: placing a pipeline; placing the CPVC power pipe and the fastening mechanism at the bottom of the groove in sequence;
s22: connecting pipelines; sequentially connecting the CPVC power pipes through the power protecting sleeve;
s23: installing a base; sequentially mounting bases of the fastening mechanisms at corresponding positions of the power protecting sleeves;
s24: mounting a bottom plate; mounting a bottom plate between two bases;
s25: erecting a pipeline; erecting the connected pipeline inside a fastening mechanism;
s26: installing a top cover; sequentially fixing a top cover of the fastening mechanism at the top end of the base;
s27: installing a cover plate; the cover plate is mounted between the two top covers.
10. A method of laying a CPVC power pipe as claimed in claim 8, wherein: s3, filling soil into the groove comprises the following steps;
s31: crushing soil; crushing soil generated by digging the groove to form fine soil with smaller particles;
s32: backfilling fine soil; backfilling the crushed fine soil into the trench;
s33: injecting water and stacking; injecting water into the backfilled fine soil to make the fine soil fully absorb water and pile downwards;
s34: backfilling for the second time; backfilling fine soil into the trench for the second time;
s35: secondary water injection; continuously injecting water into the backfilled fine soil;
s36: sealing the top of the hard soil; paving dry hard soil on the top of the fine soil subjected to secondary water injection;
s37: recovering the pavement; and repairing the road surface with the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677861.8A CN115189289A (en) | 2022-06-16 | 2022-06-16 | CPVC power pipe laying method and fastening mechanism thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210677861.8A CN115189289A (en) | 2022-06-16 | 2022-06-16 | CPVC power pipe laying method and fastening mechanism thereof |
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| CN115189289A true CN115189289A (en) | 2022-10-14 |
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| CN213277532U (en) * | 2020-10-13 | 2021-05-25 | 四川欣宝特科技有限公司 | Coaxial cable |
| CN112436457A (en) * | 2020-11-17 | 2021-03-02 | 苏州新伦光电塑业有限公司 | CPVC cable protection pipe that shock resistance is strong |
| CN112886488A (en) * | 2021-04-20 | 2021-06-01 | 杨有仪 | Laying, installing and constructing method for high-voltage cable protection pipe |
| CN215071478U (en) * | 2021-07-23 | 2021-12-07 | 山东巨嘉电气有限公司 | Connecting device for CPVC power protection pipe |
| CN216086049U (en) * | 2021-09-24 | 2022-03-18 | 江苏乾锦塑业科技有限公司 | CPVC high voltage electricity pipe |
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