CN112523085A - Inhaul cable protecting sleeve with functional elements and construction method thereof - Google Patents
Inhaul cable protecting sleeve with functional elements and construction method thereof Download PDFInfo
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- CN112523085A CN112523085A CN202011387576.XA CN202011387576A CN112523085A CN 112523085 A CN112523085 A CN 112523085A CN 202011387576 A CN202011387576 A CN 202011387576A CN 112523085 A CN112523085 A CN 112523085A
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- layer pipe
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/148—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising marks or luminous elements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a guy cable protective sleeve with functional elements and a construction method thereof, wherein the protective sleeve comprises an inner layer pipe, an outer layer pipe, reinforcing ribs fixedly arranged between the inner layer pipe and the outer layer pipe, and cavity channels between adjacent reinforcing ribs, wherein the inner layer pipe, the outer layer pipe and the reinforcing ribs are all made of plastic materials; the cavity channel penetrates through two ends of the outer layer pipe; the outer layer pipes are at least two sections and are arranged at intervals, and annular grooves are formed between the opposite end parts of the adjacent outer layer pipes; and the functional elements are arranged in the circumferential grooves and are in sealing connection with the outer layer pipes at the two ends. The inhaul cable protecting sleeve with the functional element and the construction method thereof are easy to process and good in sealing performance, and compared with the prior art, the inhaul cable is light in weight and small in cross section area, and the performance of the inhaul cable is not affected.
Description
Technical Field
The invention relates to the field of guys for bridges, in particular to a guy sheath pipe with functional elements and a construction method thereof.
Background
At present, more and more building structures become a part for showing local features due to unique shapes, and in order to reflect the self structural features and shape characteristics of buildings such as bridges and the like under the night color, the trend and urgent need for adding functional elements such as lamplight and the like on a guy cable are realized.
In the prior art, there are some structures and methods for adding functional elements to a bridge-forming cable, for example: firstly, the cable is directly arranged outside the bridge-forming cable by utilizing structures such as a hoop and the like, and the wire or the pipeline of the functional element is exposed outside the cable body in such a way, so that the attractiveness of the cable is influenced on one hand, and the cable is easy to corrode and age on the other hand; secondly, a pipe sleeve is additionally arranged outside the bridge cable (HDPE pipe) in Chinese patents CN202403211U and CN209703275U to wrap the whole cable, although the mode is beautiful, the weight and the cross section area of the bridge cable are increased, thereby increasing the wind resistance of the stay cable, reducing the mechanical property of the stay cable, and reducing the service life of the stay cable, in addition, the mounting groove of the functional element is made by longitudinal processing, needs special equipment processing such as drilling and the like, has larger processing difficulty and processing cost, and because of the suspension state of the bridge stay cable, the shell of the functional element is easy to generate force to the stay cable sheath tube body to jack or damage the outer layer of the tube body, and the performance of the sheath tube is easy to be influenced because of the existence of long-term force, in addition, the assembly part and the installation groove are easy to crack in the operation suspension state and the vibration process of the stay cable, the sealing performance is poor, water accumulation in the stay cable can be caused, and the corrosion resistance of the stay cable is influenced.
Disclosure of Invention
Aiming at the problems, the invention provides a guy cable protecting sleeve and a guy cable structure, aiming at solving the problems that the guy cable protecting sleeve with functional elements has higher processing difficulty and poorer sealing performance, and the guy cable performance is influenced because structures such as a sleeve and the like are additionally arranged outside a bridge guy cable.
The invention adopts the following technical scheme to realize the purpose:
a guy cable sheath pipe with functional elements comprises an inner layer pipe, an outer layer pipe sleeved outside the inner layer pipe, a plurality of reinforcing ribs fixedly arranged between the inner layer pipe and the outer layer pipe, and cavity channels between adjacent reinforcing ribs, wherein the inner layer pipe, the outer layer pipe and the reinforcing ribs are all made of plastic materials; the cavity channel penetrates through the two axial ends of the outer layer pipe; the outer layer pipes are at least two sections and are arranged at intervals, and a circumferential groove is formed between the opposite end parts of the adjacent outer layer pipes and the outer surface of the inner layer pipe; and the functional elements are arranged in the circumferential grooves and are in sealing connection with the outer layer pipes at the two ends.
The technical scheme adopts the annular groove structure to install the functional element, has small processing difficulty and low processing cost compared with a longitudinally processed installation groove in the prior art, and can directly apply the functional element of the prior hoop structure; the multi-section reinforcing ribs are fixedly connected with the inner layer pipe and the outer layer pipe, and two sides of each reinforcing rib are respectively fixedly connected with the outer edge surface of the inner layer pipe and the inner surface of the outer layer pipe to form a double-layer multi-chamber protective sleeve structure; the inner layer pipe has a certain thickness and can be used as an HDPE pipe of the inhaul cable, namely the minimum inner diameter size required by the design of the protective sleeve pipe can be ensured, and compared with the structure that a sleeve is additionally arranged on the finished inhaul cable in the prior art, the cross section area and the weight of the inhaul cable are reduced, so that the influence on the performance of the inhaul cable is reduced; and the functional element is connected with the outer layer pipe in a sealing way, so that on one hand, the sealing property of wires or pipelines in the cavity channel is ensured, and on the other hand, the sealing property of the inhaul cable is further improved.
The further technical scheme is that the functional element is hermetically connected with the outer layer pipes at two ends in one mode of hose clamp, sealant or welding.
The further technical proposal is that the functional element is one of a lighting element, a damper element, a cleaning element, a spraying element, a fire extinguishing element, a lightning protection element or a sensor element.
The further technical scheme is that the functional elements are arranged in the circumferential groove by adopting a hoop structure.
The further technical proposal is that the outer surface of the outer layer pipe is provided with at least one of a helical line structure or a pit structure. The effect of resisting wind and rain excitation can be achieved.
The further technical proposal is that the outer surface of the functional element is provided with at least one of a helical line structure or a pit structure matched with the outer surface of the outer layer pipe. The wind and rain resistant vibration structure on the outer surface of the existing inhaul cable can be restored, the normal stress of the inhaul cable is guaranteed, and the functional elements are installed on the inhaul cable.
The further technical proposal is that the outer diameter of the functional element is equal to the outer diameter of the outer layer tube.
A construction method of a guy cable sheath pipe with a functional element comprises the guy cable sheath pipe with the functional element and a prestressed rib positioned in an inner layer pipe; the construction method comprises the following steps:
A) preparing the protecting sleeve by adopting a one-step extrusion molding mode of a die according to the length of the protecting sleeve required by the inhaul cable;
B) cutting the sleeve into N sections of protective sleeves according to the length requirement according to the transportation requirement;
C) according to the size and the installation requirement of the functional elements, annular grooves are respectively machined on the N sections of the protective sleeves;
D) transporting to a construction site, and sequentially connecting the end parts of the N sections of the protective sleeves;
E) passing the wires or pipes required by the functional element through the cavity channel and temporarily fixing;
F) installing a functional element at the circumferential groove and connecting the functional element with a required wire or pipeline;
G) hoisting the inhaul cable protecting sleeve with the functional element in place, and then completing the installation and tensioning of the prestressed tendons according to a conventional reeving method;
H) and connecting the wire or the pipeline with equipment at the bottom of the beam or on the tower.
The further technical scheme is that the connecting mode of the N sections of the protecting sleeves is thermal welding.
The further technical scheme is that the step G) further comprises the following steps: and fixedly connecting a guy cable protecting pipe close to one end of the beam end or the tower end with a connecting piece on the beam end or the tower end. This technical scheme can improve the stability of protecting pipe, avoids protecting pipe to rotate at wind and rain vibration in-process.
The invention has the beneficial effects that:
according to the inhaul cable protecting sleeve with the functional element and the construction method thereof, the functional element is installed in the annular groove structure, compared with an installation groove processed longitudinally in the prior art, the processing difficulty is small, the processing cost is low, and meanwhile, the functional element of the existing hoop structure can be directly applied; according to the double-layer multi-chamber sheath tube structure, on one hand, wires or pipelines required by functional elements can be penetrated through the cavity channel between the adjacent reinforcing ribs, the installation and later maintenance are easy, and on the other hand, the weight of the sheath tube can be reduced; the inner layer pipe has a certain thickness and can be used as an HDPE pipe of the inhaul cable, namely the minimum inner diameter size required by the design of the protective sleeve pipe can be ensured, and compared with the structure that a sleeve is additionally arranged on the finished inhaul cable in the prior art, the cross section area and the weight of the inhaul cable are reduced, so that the influence on the performance of the inhaul cable is reduced; and the functional element is connected with the outer layer pipe in a sealing way, so that on one hand, the sealing property of wires or pipelines in the cavity channel is ensured, and on the other hand, the sealing property of the inhaul cable is further improved.
Drawings
FIG. 1 is a diagram: the invention discloses a structural schematic diagram of a guy cable protective sleeve.
FIG. 2 is a diagram of: the invention discloses an axial schematic diagram of a guy cable sheath pipe.
FIG. 3 is a diagram of: the invention discloses a schematic diagram of a guy cable protective sleeve with a spiral line structure on the outer surface.
FIG. 4 is a diagram of: the invention discloses a schematic diagram of a guy cable sheath pipe with a pit structure on the outer surface.
FIG. 5 is a diagram: the invention is provided with a schematic structural diagram of the inhaul cable with the protecting sleeve.
FIG. 6 is a diagram of: the invention discloses a structural schematic diagram of connection of two sections of inhaul cable protecting sleeves.
In the figure:
1. an inner layer tube; 21. a first outer tube; 22. a second outer tube; 23. a third outer tube; 3. reinforcing ribs; 4. a cavity channel; 5. a circumferential groove; 51. a first circumferential groove; 52. a second circumferential groove; 61. a first functional element; 62. a second functional element; 63. a wire rod; 7. prestressed tendons; 10. a first sheathing tube; 20. a second sheathing tube; 30. a connecting member.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 6, and the following embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 2, the present embodiment provides a cable sheath tube with functional elements, which includes an inner tube 1, an outer tube and reinforcing ribs 3, wherein the inner tube 1, the outer tube and the reinforcing ribs 3 are made of plastic, the outer tube includes a first outer tube 21, a second outer tube 22 and a third outer tube 23, which are sequentially and alternately sleeved outside the inner tube 1, a plurality of reinforcing ribs 3 are fixedly arranged between the inner tube 1 and the three outer tubes, two sides of the reinforcing ribs 3 are respectively fixedly connected with the outer surface of the inner tube 1 and the inner surface of the outer tube, so as to form a double-layer multi-chamber sheath tube structure, and a cavity channel 4 is formed between adjacent reinforcing ribs 3; the cavity passages 4 in the first outer layer pipe 21, the second outer layer pipe 22 and the third outer layer pipe 23 respectively penetrate through the axial two ends of the first outer layer pipe 21, the second outer layer pipe 22 and the third outer layer pipe 23; the three outer-layer pipes are sequentially arranged at intervals, a first annular groove 51 is formed between the first outer-layer pipe 21 and the second outer-layer pipe 22 and the outer surface of the inner-layer pipe 1, and a second annular groove 52 is formed between the second outer-layer pipe 22 and the third outer-layer pipe 23 and the outer surface of the inner-layer pipe 1; the first annular groove 51 and the second annular groove 52 are respectively provided with a first functional element 61 and a second functional element 62, wherein the first functional element 61 and the second functional element 62 are specifically lighting elements with hoop structures, sealing gaskets are respectively arranged between two end faces of the first functional element 61 and the end faces of the adjacent first outer-layer pipe 21 and second outer-layer pipe 22, and sealing gaskets are respectively arranged between two end faces of the second functional element 62 and the end faces of the adjacent second outer-layer pipe 22 and third outer-layer pipe 23; specifically, the inner pipe in this embodiment is a continuous and integral pipe, and the inner pipe may be integrally formed or connected by hot-melt splicing.
In the embodiment, the first functional element 61 and the second functional element 62 are installed by adopting the structure of the first annular groove 51 and the second annular groove 52, so that compared with the installation grooves processed longitudinally in the prior art, the installation groove has the advantages of small processing difficulty and low processing cost, and meanwhile, the functional elements of the existing hoop structure, especially the hoop lamp, can be directly applied; the multi-section reinforcing ribs 3 are fixedly connected with the inner layer pipe 1 and the outer layer pipe, two sides of each reinforcing rib 3 are fixedly connected with the outer edge face of the inner layer pipe 1 and the inner surface of the outer layer pipe respectively to form a double-layer multi-chamber protecting sleeve structure, on one hand, wires 63 or pipelines required by functional elements can penetrate through the cavity channels 4 between the adjacent reinforcing ribs, on the other hand, the weight of the protecting sleeve can be reduced, and in addition, the wires 63 and the pipelines are in independent cavities, so that the installation and later maintenance are easy; the inner layer pipe 1 has a certain thickness and can be used as an HDPE pipe of the inhaul cable, namely the minimum inner diameter size required by the design of the protective sleeve pipe can be ensured, and compared with the structure that a sleeve is additionally arranged on the finished inhaul cable in the prior art, the cross section area and the weight of the inhaul cable are reduced, so that the influence on the performance of the inhaul cable is reduced; and the functional element is connected with the outer layer pipe in a sealing way, so that on one hand, the sealing property of wires or pipelines in the cavity channel is ensured, and on the other hand, the sealing property of the inhaul cable is further improved.
The above embodiments exemplarily show the number of outer pipes, the number of circumferential grooves, the specific structure of the sealing connection, the specific structure of the functional element and the specific components, and may be replaced by the following solutions according to other embodiments or practical applications:
1. in terms of the number of the outer layer pipes and the number of the circumferential grooves, as shown in fig. 3, the outer layer pipes include a first outer layer pipe 21 and a second outer layer pipe 22, the number of the circumferential grooves 5 is 1, that is, the circumferential grooves are located between the opposite end portions of the first outer layer pipe 21 and the second outer layer pipe 22, in addition, the number of the outer layer pipes can be N, the number of the circumferential grooves 5 is N-1, and N is an integer greater than 1;
2. in the aspect of a sealing connection mechanism, the mounted functional element can be connected with the outer layer pipes at two ends in a sealing mode through a hose clamp, sealant or welding mode and the like.
3. In terms of specific structures and specific components of the functional elements, the functional elements of the above embodiments may be damper elements, cleaning elements, shower elements, fire extinguishing elements, lightning protection elements, sensor elements, or the like, and the mounting structures of the functional elements may be arranged in a roll-to-roll manner or the like and fixed by means of a strong adhesive, a throat band, or the like.
In another embodiment, as shown in fig. 1 and 3 to 5, in addition to the above embodiments, the outer surface of the outer tube has a helical structure, and the helical structure can provide an effect of resisting wind and rain excitation. In other embodiments, the anti-wind and anti-rain excitation structure can also be a pit structure.
In a further preferred embodiment, the outer surface of the installed functional element is provided with a wind and rain resistant excitation structure matched with the outer surface of the outer layer pipe; therefore, the wind and rain resistant vibration structure on the outer surface of the existing inhaul cable is restored, the normal stress of the inhaul cable is ensured, and functional elements are installed on the inhaul cable.
In another embodiment, in addition to the above embodiments, the outer diameter of the functional element is equal to the outer diameter of the outer layer tube, and in this embodiment, the wire 63 or the pipeline can be connected by the line or the pipeline on both end faces of the functional element, so that the guy cable is further beautified, and the wind resistance of the guy cable is reduced.
In another embodiment, a construction method of the cable sheath tube with the functional element is provided, the cable structure further comprises a prestressed tendon 7 positioned inside the inner-layer tube 1; the construction method comprises the following steps:
A) according to the length of a sheath pipe required by the inhaul cable, a double-layer pipe with reinforcing ribs 3 and a cavity channel 4 is prepared in a one-step extrusion molding mode by a mold; in the step, the prepared die is used for extrusion molding, and the prepared inner layer pipe 1, the outer layer pipe, the reinforcing ribs 3 and the cavity channel 4 are all continuous double-layer pipes;
B) cutting the pipe into N sections of double-layer pipes according to the length requirement according to the transportation requirement; for convenient transportation, the double-layer pipe can be cut into the length required by transportation;
C) according to the size and the installation requirement of the functional element, respectively processing annular grooves 5 on the N sections of double-layer pipes to obtain N sections of stay cable protecting pipes; in the embodiment, the position of the circumferential groove 5 to be processed is processed by a common lathe, the outer layer pipe and the reinforcing rib at the position are removed, and the bottom surface of the manufactured circumferential groove 5 is the outer surface of the inner layer pipe 1;
D) transporting to a construction site, and sequentially connecting the end parts of the N sections of the protective sleeves; the cable sheath pipe is fixedly connected in sequence in a mode of end hot melting welding to form a whole section of cable sheath pipe;
E) the wire 63 or the pipeline required by the functional element passes through the cavity channel 4 and is temporarily fixed by adopting a hose clamp, an adhesive and other modes;
F) installing a functional element at the circumferential groove 5 and connecting a required wire 63 or a pipeline; connecting the wire 63 or the pipeline arranged in the step E) with a functional element; taking the example of a lighting element of a clip structure, the lighting element may be provided at both ends with connectors for connecting wire 63;
G) hoisting the guy cable sheath pipe with the functional element in place, and then completing the installation and tensioning of the prestressed tendon 7 according to a conventional method of threading;
H) and connecting the wire 63 or the pipeline with equipment at the beam bottom or on the tower to finish the installation.
The above embodiment exemplarily shows the connection manner of the N shield pipes, as shown in fig. 6, the opposite ends of the first shield pipe 10 and the second shield pipe 20 may be respectively thermally welded to the intermediate member 30, that is, two adjacent shield pipes may be indirectly connected, and in addition, the connection manner may be performed by gluing, tight fitting with the intermediate member 30, and the like.
In another embodiment, in addition to the above embodiment, the step G) further includes: and fixedly connecting a guy cable protecting pipe close to one end of the beam end or the tower end with a connecting piece on the beam end or the tower end. The internal thread can specifically be through the inside processing at inlayer pipe 1, at the outside processing matched with external screw thread of connecting piece, through helicitic texture fixed connection, or through mode fixed connection such as buckle, magnetism, can improve the stability of protecting pipe, avoids the protecting pipe to rotate at wind and rain vibration in-process.
According to the inhaul cable protecting sleeve with the functional element and the construction method thereof, the functional element is installed by adopting the annular groove 5 structure, compared with an installation groove longitudinally processed in the prior art, the processing difficulty is small, the processing cost is low, and meanwhile, the functional element of the existing hoop structure can be directly applied; according to the double-layer multi-chamber sheath tube structure, on one hand, wires 63 or pipelines required by functional elements can be penetrated through the cavity channel 4 between the adjacent reinforcing ribs 3, so that the sheath tube structure is easy to install and maintain in the later period, and on the other hand, the weight of the sheath tube can be reduced; the inner layer pipe has a certain thickness and can be used as an HDPE pipe of the inhaul cable, namely the minimum inner diameter size required by the design of the protective sleeve pipe can be ensured, and compared with the structure that a sleeve is additionally arranged on the finished inhaul cable in the prior art, the cross section area and the weight of the inhaul cable are reduced, so that the influence on the performance of the inhaul cable is reduced; and the functional element is connected with the outer layer pipe in a sealing way, so that on one hand, the sealing property of wires or pipelines in the cavity channel is ensured, and on the other hand, the sealing property of the inhaul cable is further improved.
Claims (10)
1. The inhaul cable protective sleeve with the functional element is characterized by comprising an inner layer pipe (1), an outer layer pipe sleeved outside the inner layer pipe (1), a plurality of reinforcing ribs (3) fixedly arranged between the inner layer pipe (1) and the outer layer pipe, and cavity channels (4) between adjacent reinforcing ribs (3), wherein the inner layer pipe (1), the outer layer pipe and the reinforcing ribs (3) are all made of plastic materials; the cavity channel (4) penetrates through the two axial ends of the outer layer pipe; the outer layer pipe is at least two sections and arranged at intervals, and a circumferential groove (5) is formed between the opposite end parts of the adjacent outer layer pipes and the outer surface of the inner layer pipe; and the inside of the annular groove (5) is provided with a functional element, and the functional element is connected with the outer layer pipes at two ends in a sealing way.
2. A cable sheath tube with a functional element according to claim 1, wherein the functional element is hermetically connected with the outer tube at both ends by one of a hose clamp, a sealant or a welding.
3. A cable sheath with a functional element according to claim 1, characterized in that the functional element is one of a lighting element, a damper element, a cleaning element, a spraying element, a fire extinguishing element, a lightning protection element or a sensor element.
4. A cable sheath with functional elements according to claim 1, characterized in that the functional elements are mounted inside the circumferential groove (5) using a hoop structure.
5. A cable sheath tube with a functional element according to claim 1, characterised in that the outer surface of the outer tube is provided with at least one of a helical structure or a dimpled structure.
6. A cable sheath tube with a functional element according to claim 5, characterised in that the outer surface of the functional element is provided with at least one of a helical or dimpled formation which cooperates with the outer surface of the outer tube.
7. A cable sheath tube with a functional element according to claim 1, characterised in that the functional element has an outer diameter equal to the outer diameter of the outer tube.
8. A construction method of a guy cable sheath pipe with a functional element, which is characterized by comprising the guy cable sheath pipe with the functional element as claimed in any one of claims 1 to 8 and a prestressed tendon (7) positioned inside an inner layer pipe (1); the construction method comprises the following steps:
A) according to the length of a sheath pipe required by the inhaul cable, a double-layer pipe with reinforcing ribs (3) and a cavity channel (4) is prepared in a one-step extrusion molding mode by a mold;
B) cutting the pipe into N sections of double-layer pipes according to the length requirement according to the transportation requirement;
C) according to the size and the installation requirement of the functional element, annular grooves (5) are respectively machined on the N sections of double-layer pipes to obtain N sections of the protective sleeves;
D) transporting to a construction site, and sequentially connecting the end parts of the N sections of the protective sleeves;
E) passing a wire (63) or a pipeline required by the functional element through the cavity channel and temporarily fixing;
F) installing a functional element at the circumferential groove (5) and connecting a required wire (63) or a pipeline;
G) hoisting the inhaul cable protecting sleeve with the functional element in place, and then completing the installation and tensioning of the prestressed tendons (7) according to a conventional reeving method;
H) connecting the wire (63) or the pipeline with the equipment on the beam bottom or the tower.
9. The construction method of the cable sheath with the functional element as claimed in claim 8, wherein the connection mode of the N sections of sheath pipes in the step D) is thermal welding.
10. A construction method for a cable sheath tube with functional elements according to claim 8, wherein the step G) further comprises: and fixedly connecting a guy cable protecting pipe close to one end of the beam end or the tower end with a connecting piece on the beam end or the tower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387576.XA CN112523085B (en) | 2020-12-01 | 2020-12-01 | Inhaul cable protecting sleeve with functional elements and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387576.XA CN112523085B (en) | 2020-12-01 | 2020-12-01 | Inhaul cable protecting sleeve with functional elements and construction method thereof |
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| CN112523085A true CN112523085A (en) | 2021-03-19 |
| CN112523085B CN112523085B (en) | 2022-08-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914213A (en) * | 2021-10-13 | 2022-01-11 | 江阴市斯瑞特石油机械制造有限公司 | Filling protective pipe for protecting overhead guardrail |
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