CN114032768A - Pipe orifice sealing structure and method for parallel steel strand inhaul cable embedded pipe - Google Patents
Pipe orifice sealing structure and method for parallel steel strand inhaul cable embedded pipe Download PDFInfo
- Publication number
- CN114032768A CN114032768A CN202111465474.XA CN202111465474A CN114032768A CN 114032768 A CN114032768 A CN 114032768A CN 202111465474 A CN202111465474 A CN 202111465474A CN 114032768 A CN114032768 A CN 114032768A
- Authority
- CN
- China
- Prior art keywords
- sealing layer
- pipe
- steel strand
- sealing
- embedded pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a sealing structure and a method for a pipe orifice of a parallel steel strand inhaul cable embedded pipe, wherein the sealing structure comprises an outer protective sleeve, a PE protective sleeve steel strand, a waterproof cover, an upper sealing layer, a embedded pipe, a sealing layer and a lower sealing layer, one end of the waterproof cover is sleeved with the protective sleeve, the other end of the waterproof cover is sleeved at the pipe orifice of the embedded pipe, the PE protective sleeve steel strand sequentially penetrates through the embedded pipe, the waterproof cover and the protective sleeve, the sealing layer is arranged below the pipe orifice of the embedded pipe, the sealing layer fills a gap between the inner side of the embedded pipe and the PE protective sleeve steel strand, the lower sealing layer is arranged at the lower end of the sealing layer, and the upper sealing layer is arranged at the upper end of the sealing layer. The invention not only can effectively solve the problem that condensed water of the parallel steel strand inhaul cable enters an anchor head area, but also solves the problem that the inhaul cable enters water when the free section HDPE outer protective pipe fails, thereby forming a waterproof sealing structure of an anchoring area.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a pipe orifice sealing structure and a method for a parallel steel strand inhaul cable embedded pipe.
Background
The carbon steel inhaul cable mainly comprises the following components according to the structure of the free section: a parallel steel strand inhaul cable, a steel strand finished cable and a steel wire finished cable. Finished cable is the appearance rule, and the sealed easy realization between cable and the pre-buried intraductal, also has some steel strand wires cable pre-buried pipe mouth of pipe among the prior art and seals relevant patent, if:
chinese patent application CN104695327A discloses a buried tub of seal structure in suspension cable and hoist cable beam-ends, including wearing the pre-buried pipe of cover in the beam-ends cable periphery, leave the annular space between pre-buried pipe and the cable, the front end of this pre-buried pipe is provided with the buckler, and the cable outwards passes the buckler, its characterized in that: the annular gap is internally provided with a filling layer, the pipe wall of the embedded pipe is provided with a water drain pipe communicated with the annular gap, and a water inlet of the water drain pipe is positioned above the filling layer and close to the upper surface of the filling layer. This buried pipe seal structure in advance not only can prevent that the rainwater from getting into the annular space between buried pipe and the cable in, has realized in time discharging the ponding that gets into in the annular space moreover, has better buried pipe anticorrosive effect.
Chinese patent application CN210163781U discloses a suspension cable beam-ends seal structure, including beam-ends ground tackle, beam-ends embedded pipe, buckler and protecting tube, beam-ends ground tackle sets up inside beam-ends embedded pipe, the buckler sets up the mouth of pipe at beam-ends embedded pipe, the beam-ends steel strand expansion of suspension cable divides the silk anchor in beam-ends ground tackle, the suspension cable passes beam-ends embedded pipe in proper order, the buckler still is provided with the connector between buckler and the outer tube, beam-ends embedded pipe is inside to be provided with the protecting tube, the suspension cable passes from protecting tube is inside, the protecting tube directly communicates the outer tube through the connector, annular gap and the inside mutual isolation of protecting tube between sheath outer wall and the beam-ends embedded pipe inner wall. The steel wire bundles in the embedded pipe are isolated in the embedded pipe through the protective sleeve, so that even if water or accumulated water enters the embedded pipe, the steel wires or steel strands in the anchorage device can be effectively protected from being corroded, and the sealing aging is long.
Chinese patent application CN107815969A discloses a construction process of a filled epoxy coating steel strand inhaul cable, which discloses a blocking structure of a beam end embedded pipe orifice, wherein the bottom of the beam end embedded pipe and the bottom of a beam end embedded steel pipe (namely, after an anchor plate) blocked by the pipe orifice are preserved by pouring grease, and because the embedded steel pipe has an inclination angle, the pouring amount is calculated according to the thickness of the thinnest section of the grease as 60-70 mm; after the shock absorber and the cable clamp are installed at the beam end, the end of 30-50mm of the pre-buried pipe orifice is blocked by foaming resin, and the blocking is required to be tight.
In the prior art, although the parallel steel strand inhaul cable is provided with a waterproof cover, a PE (polyethylene) expansion device and other structures to prevent moisture from entering the interior of the cable body, the moisture cannot be prevented from entering the cable body. The parallel steel strand inhaul cable is in a single steel strand anchoring mode, the section of the whole bundle of steel strands is not regular round like a finished cable, but polygonal, gaps exist among the steel strands, large gaps also exist among the embedded pipe, the HDPE protective sleeve and the steel strands which are sleeved outside, condensed water is formed inside the cable body along with the change of air temperature, and the condensed water finally penetrates into an anchor head area along with the PE protective sleeve after passing through the embedded pipe, so that the anchor head is corroded.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pipe orifice sealing structure and a method for a pre-buried pipe of a parallel steel strand inhaul cable, which can effectively solve the problem that condensed water of the parallel steel strand inhaul cable enters an anchor head area and also solve the problem that the inhaul cable enters water when a free-section HDPE outer protective pipe fails, so that a waterproof sealing structure of an anchoring area is formed.
In order to achieve the purpose, the pipe orifice sealing structure of the embedded pipe of the parallel steel strand inhaul cable comprises an outer protecting sleeve, a PE protecting sleeve steel strand, a waterproof cover, an upper sealing layer, a pre-embedded pipe, a sealing layer, a lower sealing layer and a filling hole, wherein one end of the waterproof cover is sleeved with the protecting sleeve, the other end of the waterproof cover is sleeved at the pipe orifice of the embedded pipe, the PE protecting sleeve steel strand sequentially penetrates through the pre-embedded pipe, the waterproof cover and the protecting sleeve, the sealing layer is arranged below the pipe orifice of the embedded pipe, the sealing layer fills a gap between the inner side of the pre-embedded pipe and the PE protecting sleeve steel strand, the lower sealing layer is arranged at the lower end of the sealing layer, and the upper sealing layer is arranged at the upper end of the sealing layer.
The protective layer further comprises an activation layer, wherein the activation layer is sprayed on the surface of the PE sheath steel strand in the sealing layer area, and the sprayed area is slightly larger than the PE sheath steel strand in the sealing layer area. The activating layer is made of materials capable of improving the bonding strength of the low-energy surface materials, such as: PE primer, PE treating agent, silane coupling agent, adhesion promoter, polyurethane asphalt and the like.
Further, the material of the upper sealing layer and the lower sealing layer is a foaming material, such as foaming polyurethane.
Further, the sealing device also comprises a pouring hole, wherein the pouring hole is arranged at the highest horizontal point of the upper sealing layer.
Further, the pouring hole is arranged at the highest horizontal point of the sealing layer.
Further, the sealing layer is formed by pouring a sealing material into the cavity between the upper sealing layer and the lower sealing layer in a pouring mode. The materials are as follows: and (3) an injection type self-leveling polysulfide sealant, an organosilicon sealant, an epoxy resin adhesive or other viscoelastic high polymer materials.
Furthermore, the material of the sealing layer has self-leveling property, and is a flexible and elastic material after being cured.
And the device further comprises a vibration damper which is arranged in the sealing layer and between the inner side surface of the embedded pipe and the PE sheath steel strand.
A method for sealing a pipe orifice of a parallel steel strand inhaul cable embedded pipe comprises the following steps:
the method comprises the following steps: firstly, spraying an active layer on the surface of the PE sheath steel strand, wherein the sprayed area is slightly larger than the PE sheath steel strand in the sealing layer area;
step two: sequentially and respectively filling a lower sealing layer and an upper sealing layer;
step three: the upper sealing layer is provided with a filling hole;
step four: pouring a sealing material into the cavity between the upper sealing layer and the lower sealing layer through the pouring hole to form a sealing layer, and stopping pouring when the sealing material overflows from the orifice of the pouring hole;
step five: and after the sealing layer is finished, sequentially installing a waterproof cover and an outer protective sleeve above the embedded pipe.
Further, the thickness of the lower sealing layer is larger than that of the upper sealing layer, because the lower sealing layer is subjected to larger force than the upper sealing layer.
The inclination angle of the outermost cable is required to be not less than 22 degrees in the specification of the cable-stayed bridge, and a cavity is formed in the embedded pipe in an upper and lower sealing layer mode, so that the inclined cable with a small inclination angle is very favorable for full utilization of sealing materials. The mode of pouring into the flexible sealing material of self-leveling in the cavity, not only reached fully fill the clearance between the single PE sheath steel strand wires of sealed, the space purpose between PE sheath steel strand wires and the pre-buried pipe, simultaneously at PE sheath steel strand wires surface spraying active layer, strengthen the adhesive force on sealing layer and PE sheath steel strand wires surface, can form integratively with PE sheath steel strand wires after letting the sealing material solidification, prevent that the cable vibration from haring the sealing layer, thereby the reliability of pre-buried pipe mouth of pipe sealing has been realized.
Drawings
FIG. 1 is a schematic view of a pipe orifice sealing structure of a parallel steel strand inhaul cable embedded pipe in the embodiment of the invention;
FIG. 2 schematic diagram of the position of the opening of the pouring hole
FIG. 3 schematic view of the sprayed region of the active layer
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention
Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.
In the figure, 1-outer sheath pipe, 2-PE sheath steel strand, 3-waterproof cover, 4-upper sealing layer, 5-embedded pipe, 6-sealing layer, 7-lower sealing layer, 8-activating layer and 9-pouring hole.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The first embodiment is as follows:
when the parallel steel strand inhaul cable is applied to a cable-stayed bridge as a stay cable, as shown in fig. 1, 2 and 3, the parallel steel strand inhaul cable comprises an outer protective sleeve 1, a PE protective sleeve steel strand 2, a waterproof cover 3, an upper sealing layer 4, an embedded pipe 5, a sealing layer 6, a lower sealing layer 7, an activation layer 8 and a filling hole 9. Outer protecting pipe 1 is cup jointed to the one end of buckler 3, the other end of buckler 3 cup joints at the 5 mouths of pipe of buried pipe, PE sheath steel strand wires 2 pass buried pipe 5, buckler 3 and protecting pipe 1 in proper order, sealing layer 6 sets up 5 mouths of pipe below of buried pipe, the clearance between 5 inboard and the PE sheath steel strand wires 2 of buried pipe is filled to sealing layer 6, sealing 7 sets up the lower extreme at sealing layer 6 down, go up sealing 4 and set up the upper end at sealing layer 6.
The inclination angle of the outermost cable is required to be not less than 22 degrees in the specification of the cable-stayed bridge, and the cavity is formed in the embedded pipe in an upper and lower sealing layer mode, so that the inclined cable with a small inclination angle is very favorable for full utilization of sealing materials. The self-leveling flexible sealing material is poured into the cavity, so that the purpose of fully filling and sealing gaps among the PE sheath steel strands and gaps between the PE sheath steel strands and the embedded pipe is achieved.
In this embodiment, at PE sheath steel strand wires surface spraying active layer 8, the adhesive force on reinforcing sealing layer 6 and PE sheath steel strand wires 2 surface lets after the sealing material solidification can form an organic whole with PE sheath steel strand wires 2, prevents that the cable vibration from haring sealing layer 6 to the reliability of pre-buried tub of mouth of pipe is sealed has been realized. The activating layer is made of materials capable of improving the bonding strength of the low-energy surface materials, such as: PE primer, PE treating agent, silane coupling agent, adhesion promoter, polyurethane asphalt and the like. The upper sealing layer 4 and the lower sealing layer 7 are made of foaming materials, specifically foaming polyurethane. The sealing layer 6 is a material with self-leveling property, is flexible and elastic after being cured, and specifically is a perfusion type self-leveling polysulfide sealant, an organosilicon sealant, an epoxy resin adhesive or other viscoelastic high polymer materials.
The implementation method of the structure of the embodiment comprises the following steps:
the method comprises the following steps: firstly, spraying an active layer on the surface of the PE sheath steel strand, wherein the sprayed area is slightly larger than the PE sheath steel strand in the sealing layer area;
step two: sequentially and respectively filling a lower sealing layer and an upper sealing layer;
step three: the upper sealing layer is provided with a filling hole;
step four: pouring a sealing material into the cavity between the upper sealing layer and the lower sealing layer through the pouring hole to form a sealing layer, and stopping pouring when the sealing material overflows from the orifice of the pouring hole;
step five: and after the sealing layer is finished, sequentially installing a waterproof cover and an outer protective sleeve above the embedded pipe.
Example two:
when the parallel steel strand inhaul cable is applied to a bridge as a sling, because the plane of the pipe orifice of the embedded pipe 7 is approximately parallel to the plane of a beam, and the sealing layer 6 with uniform thickness can be formed without stopping the flow of the sealing material through the upper sealing layer 7, the upper sealing layer 4 and the pouring hole 9 can be eliminated on the basis of the first embodiment, as shown in fig. 3 and 4, the parallel steel strand inhaul cable comprises an outer protective sleeve 1, a PE protective sleeve steel strand 2, a waterproof cover 3, a embedded pipe 5, a sealing layer 6, a lower sealing layer 7 and an activation layer 8. Firstly, spraying an activation layer 8 on the surface of the PE sheath steel strand, wherein the sprayed area is slightly larger than the PE sheath steel strand 2 in the sealing layer 6 area; filling a lower sealing layer 7, pouring a sealing material into the cavity between the lower sealing layer 7 and the embedded pipe 5 to form a sealing layer 6 after the lower sealing layer 7 is cured, and stopping pouring when the thickness of the sealing layer 6 reaches a set thickness; and after the sealing layer 6 is finished, the waterproof cover 3 and the outer protective sleeve 1 are sequentially arranged above the embedded pipe 5.
Example three:
the vibration damping devices of the inhaul cables in the first embodiment and the second embodiment are arranged outside the embedded pipe, when the vibration damping devices are arranged in the embedded pipe, the sealing material has the characteristics of self-leveling, flexibility and elasticity, so that the pipe orifice sealing structure and the method of the embedded pipe of the parallel steel strand inhaul cable provided by the patent are also applicable to the stay cable of the vibration damping devices in the embedded pipe, as shown in fig. 5, 2 and 3, the pipe orifice sealing structure comprises an outer protective sleeve 1, a PE protective sleeve steel strand 2, a waterproof cover 3, an upper sealing layer 4, an embedded pipe 5, a sealing layer 6, a lower sealing layer 7, an activation layer 8, a filling hole 9 and a vibration damping device 10, one end of the waterproof cover 3 is sleeved with the outer protective sleeve 1, the other end of the waterproof cover 3 is sleeved with the pipe orifice of the embedded pipe 5, the PE protective sleeve steel strand 2 sequentially penetrates through the embedded pipe 5, the waterproof cover 3 and the protective sleeve 1, the sealing layer 6 is arranged below the pipe orifice of the embedded pipe 5, and the sealing layer 6 fills the gap between the inner side of the embedded pipe 5 and the PE protective sleeve steel strand 2, the lower sealing layer 7 is arranged at the lower end of the sealing layer 6, the upper sealing layer 4 is arranged at the upper end of the sealing layer 6, and the vibration damper is arranged in the sealing layer and between the inner side surface of the embedded pipe and the PE sheath steel stranded wire.
The implementation method of the structure of the embodiment comprises the following steps:
the method comprises the following steps: firstly, spraying an active layer on the surface of the PE sheath steel strand, wherein the sprayed area is slightly larger than the PE sheath steel strand in the sealing layer area;
step two: filling a lower sealing layer, after the lower sealing layer is solidified, placing a vibration damping device above the lower sealing layer, and embedding a gap between the inner side surface of the pipe and the PE sheath steel strand;
step three: filling an upper sealing layer above the vibration damping device, and forming a filling hole in the upper sealing layer after the upper sealing layer is solidified;
step four: pouring a sealing material into the cavity between the upper sealing layer and the lower sealing layer through the pouring hole to form a sealing layer, and stopping pouring when the sealing material overflows from the orifice of the pouring hole;
step five: and after the sealing layer is finished, sequentially installing a waterproof cover and an outer protective sleeve above the embedded pipe.
Although the invention has been described in detail above with reference to specific embodiments, it will be apparent to one skilled in the art that modifications or improvements may be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a pre-buried tub of mouth of pipe seal structure of parallel steel strand wires cable which characterized in that: including outer protecting pipe, PE sheath steel strand wires, buckler, upper seal, pre-buried pipe, sealing layer, lower seal, the protecting pipe is cup jointed to the one end of buckler, the other end of buckler cup joints at the buried tub of pipe mouth in advance, PE sheath steel strand wires pass pre-buried pipe, buckler and protecting pipe in proper order, the sealing layer sets up buried tub of pipe mouth below in advance, the sealing layer fills the clearance between the inboard and PE sheath steel strand wires of pre-buried pipe, the lower seal sets up the lower extreme at the sealing layer, the upper seal sets up the upper end at the sealing layer.
2. The sealing structure for the pipe orifice of the embedded pipe of the steel strand inhaul cable of the claim 1 is characterized in that: the PE sheath steel strand is characterized by further comprising an activation layer, wherein the activation layer is sprayed on the surface of the PE sheath steel strand in the sealing layer area, and the sprayed area is slightly larger than the PE sheath steel strand in the sealing layer area.
3. The sealing structure for the pipe orifice of the embedded pipe of the steel strand inhaul cable of the claim 1 is characterized in that: the upper sealing layer 4 and the lower sealing layer 7 are made of foaming materials.
4. The sealing structure for the pipe orifice of the embedded pipe of the steel strand inhaul cable of the claim 1 is characterized in that: the sealing structure further comprises a filling hole, and the filling hole is formed in the highest horizontal point of the upper sealing layer.
5. The sealing structure for the pipe orifice of the embedded pipe of the steel strand inhaul cable of the claim 1 is characterized in that: the sealing layer is characterized by further comprising a filling hole, and the filling hole is arranged at the highest horizontal point of the sealing layer.
6. The sealing structure for the pipe orifice of the embedded pipe of the steel strand inhaul cable according to any one of claims 4 to 5, wherein the sealing structure comprises: and the sealing layer is formed by pouring a sealing material into the cavity between the upper sealing layer and the lower sealing layer in a pouring mode.
7. The sealing structure for the pipe orifice of the embedded pipe of the steel strand inhaul cable of the claim 1 is characterized in that: the material of the sealing layer 6 has self-leveling property, and is a flexible and elastic material after being cured.
8. The sealing structure for the pipe orifice of the embedded pipe of the steel strand inhaul cable of the claim 1 is characterized in that: the device is characterized by further comprising a vibration damping device, wherein the vibration damping device is arranged in the sealing layer and between the inner side face of the embedded pipe and the PE sheath steel stranded wires.
9. A method for sealing the pipe orifice of an embedded pipe of a steel strand inhaul cable is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: firstly, spraying an active layer on the surface of the PE sheath steel strand, wherein the sprayed area is slightly larger than the PE sheath steel strand in the sealing layer area;
step two: sequentially and respectively filling a lower sealing layer and an upper sealing layer;
step three: the upper sealing layer is provided with a filling hole;
step four: pouring a sealing material into the cavity between the upper sealing layer and the lower sealing layer through the pouring hole to form a sealing layer, and stopping pouring when the sealing material overflows from the orifice of the pouring hole;
step five: and after the sealing layer is finished, sequentially installing a waterproof cover and an outer protective sleeve above the embedded pipe.
10. The method for sealing the pipe orifice of the embedded pipe of the steel strand inhaul cable according to claim 1, which is characterized in that: the thickness of the lower sealing layer is larger than that of the upper sealing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465474.XA CN114032768B (en) | 2021-12-03 | 2021-12-03 | Sealing structure and method for pipe orifice of embedded pipe of parallel steel strand inhaul cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465474.XA CN114032768B (en) | 2021-12-03 | 2021-12-03 | Sealing structure and method for pipe orifice of embedded pipe of parallel steel strand inhaul cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114032768A true CN114032768A (en) | 2022-02-11 |
| CN114032768B CN114032768B (en) | 2023-05-23 |
Family
ID=80146198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111465474.XA Active CN114032768B (en) | 2021-12-03 | 2021-12-03 | Sealing structure and method for pipe orifice of embedded pipe of parallel steel strand inhaul cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114032768B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003147902A (en) * | 2001-11-14 | 2003-05-21 | Kogen Kizai Kk | Fixture of tension material and installation method for fixture |
| US20050066595A1 (en) * | 2002-04-03 | 2005-03-31 | Dywidag-Systems International Gmbh | Anchoring device for a corrosion-resistant tension member, particularly an inclined cable for a cable-stayed bridge |
| CN102535336A (en) * | 2012-03-16 | 2012-07-04 | 柳州欧维姆机械股份有限公司 | Composite prestressed bar finished guy cable and manufacturing method thereof |
| CN102587279A (en) * | 2012-03-16 | 2012-07-18 | 柳州欧维姆机械股份有限公司 | Steel strand finished stay cable and manufacturing method thereof |
| CN104695327A (en) * | 2015-03-03 | 2015-06-10 | 江苏法尔胜缆索有限公司 | Beam-end embedded pipe sealing structure for stayed cable and sling |
| CN109944158A (en) * | 2019-03-26 | 2019-06-28 | 江阴法尔胜住电新材料有限公司 | A kind of suspension cable beam-ends sealing structure |
-
2021
- 2021-12-03 CN CN202111465474.XA patent/CN114032768B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003147902A (en) * | 2001-11-14 | 2003-05-21 | Kogen Kizai Kk | Fixture of tension material and installation method for fixture |
| US20050066595A1 (en) * | 2002-04-03 | 2005-03-31 | Dywidag-Systems International Gmbh | Anchoring device for a corrosion-resistant tension member, particularly an inclined cable for a cable-stayed bridge |
| CN102535336A (en) * | 2012-03-16 | 2012-07-04 | 柳州欧维姆机械股份有限公司 | Composite prestressed bar finished guy cable and manufacturing method thereof |
| CN102587279A (en) * | 2012-03-16 | 2012-07-18 | 柳州欧维姆机械股份有限公司 | Steel strand finished stay cable and manufacturing method thereof |
| CN104695327A (en) * | 2015-03-03 | 2015-06-10 | 江苏法尔胜缆索有限公司 | Beam-end embedded pipe sealing structure for stayed cable and sling |
| CN109944158A (en) * | 2019-03-26 | 2019-06-28 | 江阴法尔胜住电新材料有限公司 | A kind of suspension cable beam-ends sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114032768B (en) | 2023-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2550400B2 (en) | Sealing arrangement | |
| CN200992682Y (en) | Cold-cast pier anchor cable implanting optical fiber grating reinforced smart bars | |
| CN103850441B (en) | A kind of stretch-draw construction method of prestressed reinforced concrete construction and tensioning equipment | |
| RU2602853C2 (en) | Seal for cable anchor device of cable construction | |
| CN102477740A (en) | Electric isolation protective anchor cable as well as making and mounting method thereof | |
| US20130007966A1 (en) | Strand guiding device | |
| CN202644399U (en) | Sealing-type inhaul cable | |
| CN106012833A (en) | Anticorrosion and waterproof method for bridge stay cable anchoring end and end sealing device | |
| CN114032768A (en) | Pipe orifice sealing structure and method for parallel steel strand inhaul cable embedded pipe | |
| CN101824796B (en) | All-sealed vibration damping and water preventing device with large regulating quantity | |
| CN202298615U (en) | Electrical isolation protective anchor cable | |
| CN201671056U (en) | All-sealed damping and waterproof device with large regulating quantity | |
| CN114059449B (en) | Sealing structure and method for pipe orifice of embedded pipe of parallel steel strand inhaul cable | |
| CN216515137U (en) | Steel strand inhaul cable beam end embedded pipe orifice sealing structure | |
| JP3754817B2 (en) | Anchor structure | |
| CN102953332B (en) | Omni-sealing type inhaul cable and using method thereof | |
| KR100473789B1 (en) | Fiction-Tensioning Ground Anchor having Coated Tendon | |
| CN209636637U (en) | Stayed-cable bridge anchor-hold anticorrosion structure | |
| CN109594472A (en) | Stayed-cable bridge anchor-hold anticorrosion structure and anticorrosion process | |
| CN211143341U (en) | Waterproof structure for base layer cracks | |
| CN107558371B (en) | Sealing structure of inhaul cable embedded pipe orifice and method for realizing reliable sealing of inhaul cable embedded pipe orifice | |
| CN111764384A (en) | Adopt single-deck bellows and resin material to realize anticorrosive anchor rope structure of double-deck | |
| CN106120557B (en) | Abutment bracket and for protecting method of the strands from corroding in abutment bracket | |
| WO2007096934A1 (en) | Crack inducing waterproofing method | |
| CN211948401U (en) | Adopt single-deck bellows and resin material to realize anticorrosive anchor rope structure of double-deck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |