CN110538984A - ultrahigh-strength large-diameter steel wire main cable strand anchoring material and anchoring method - Google Patents
ultrahigh-strength large-diameter steel wire main cable strand anchoring material and anchoring method Download PDFInfo
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- CN110538984A CN110538984A CN201910860015.8A CN201910860015A CN110538984A CN 110538984 A CN110538984 A CN 110538984A CN 201910860015 A CN201910860015 A CN 201910860015A CN 110538984 A CN110538984 A CN 110538984A
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- anchoring
- main cable
- steel wire
- cable strand
- resin
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- 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
Abstract
The invention discloses an ultrahigh-strength large-diameter steel wire main cable strand anchoring material and an anchoring method, relates to the technical field of main cable strand anchoring, and aims to solve the problems that the main cable strand anchoring method in the prior art is high in consumption cost and cannot guarantee firmness in a special geographic environment. The method comprises the following steps of mixing 13-14% of unsaturated polyester resin, 1-1.6% of curing agent, 1-1.6% of accelerator, 3.4-4% of other auxiliary materials, 0.08-0.38% of rare earth elements, 1.35-1.73% of metal elements and 71.3-72.8% of smelting metal materials in percentage by weight based on the quantity ratio of the materials, and comprises the following steps: s1: mixing unsaturated polyester resin, a curing agent, an accelerator and other auxiliary materials according to a proportion to prepare a resin anchoring agent; s2: using the mixed resin anchoring agent to cast and anchor the cable strand; s3: coating and pouring the resin anchoring outer layer by using mortar; s4: mixing and smelting rare earth elements and metal elements according to a proportion.
Description
Technical Field
the invention relates to the technical field of anchor filling of main cable strands, in particular to an ultrahigh-strength large-diameter steel wire main cable strand anchoring material and an anchor filling method.
background
the construction of suspension bridges was invented at the beginning of the 19 th century and many bridges use this construction. Modern suspension bridges are evolved from cable bridges. The application range is mainly large-span and super-large-span highway bridges, and the large-span bridges all adopt the structure at present. The suspension bridge is a bridge with a main bearing member which is a cable or a chain cable bearing tension, and consists of a suspension cable, a cable tower, an anchorage, a suspender, a bridge deck system and the like. The main bearing member of the suspension bridge is a suspension cable which mainly bears tension and is generally made of steel (steel wires, steel cables and the like) with high tensile strength. The suspension bridge can fully utilize the strength of materials and has the characteristics of material saving and light dead weight, so that the span capacity of the suspension bridge in various systems of bridges is maximum, and the span can reach more than 1000 meters. The span of the Japan Ming Shi strait bridge built in 1998 is 1991 m, and is the bridge with the largest span in the world at present. The main disadvantage of the suspension bridge is that the suspension bridge has low rigidity, and is easy to generate large deflection and vibration under the action of load, and corresponding measures need to be taken.
However, the existing anchoring method for the main cable strand is high in cost consumption, and the firmness in a special geographic environment cannot be guaranteed; therefore, the existing requirements are not met, and an ultrahigh-strength large-diameter steel wire main cable strand anchoring material and an anchoring method are provided for the ultrahigh-strength large-diameter steel wire main cable strand anchoring material.
disclosure of Invention
the invention aims to provide an ultra-high strength large diameter steel wire main cable strand anchoring material and an anchoring method, and aims to solve the problems that the main cable strand anchoring method provided in the background technology is high in consumption cost and cannot ensure firmness in a special geographical environment.
in order to achieve the purpose, the invention provides the following technical scheme: an ultra-high strength large-diameter steel wire main cable strand anchoring material and an anchoring method are disclosed, wherein the material comprises, by mass, 13% -14% of unsaturated polyester resin, 1% -1.6% of curing agent, 1% -1.6% of accelerant, 3.4% -4% of other auxiliary materials, 0.08% -0.38% of rare earth elements, 1.35% -1.73% of metal elements and 71.3% -72.8% of smelting metal materials.
preferably, the preparation of the anchoring material comprises the following steps:
s1: mixing unsaturated polyester resin, a curing agent, an accelerator and other auxiliary materials according to a proportion to prepare a resin anchoring agent;
S2: using the mixed resin anchoring agent to cast and anchor the cable strand;
S3: coating and pouring the resin anchoring outer layer by using mortar;
s4: mixing and smelting rare earth elements and metal elements in proportion;
s5: and (4) performing pouring anchoring on two ends of the whole main cable by a hot-cast anchoring method.
Preferably, the anchor grouting method comprises the following steps:
The method comprises the following steps: the method comprises the steps that high-strength steel wires with the diameter of about 0.5-0.75 mm are prefabricated through a prefabricated parallel steel wire strand method, and the bearing strength of the whole main cable is guaranteed;
Step two: each strand consists of 91 steel wires, the steel wires are arranged according to the shape of six sides, and are wrapped by a strapping tape and fixed;
Step three: two ends of the cable strand are anchored by a hot cast anchor method, and the length precision of the cable strand is ensured by using standard wires or other methods during manufacturing;
Step four: arranging the strands according to the actual required quantity and the specified shape to form a main cable, and monitoring and adjusting the sag and the anchor span tension of the strands during erection to ensure the linearity of the main cable;
step five: splitting the two ends of the main cable into five strands by taking the center as a point, wherein the number of the strands in the center part is higher than that of the other four strands, and the number of the four strands is kept approximately the same;
step six: embedding the central cable strand into the anchoring area, and dispersing the other four strands around the central cable strand in a square shape;
Step seven: and after the two ends of the main cable are well pulled and fixed, carrying out anchoring pouring in the anchoring pouring area.
preferably, in the first step, a zinc-aluminum alloy coating is disposed on an outer surface of each high-strength steel wire.
Preferably, the rare earth element is lanthanum (La) or cerium (Ce), and the metal elements are magnesium (Mg), zinc (Zn) and copper (Cu).
preferably, in said S1, the gel time of the resin anchoring agent is within 90 to 180 seconds.
Preferably, in S3, after the resin coagulant is completely solidified, the resin coagulant is coated with mixed mortar with good heat insulation performance, and the coating thickness is 3-5 cm.
compared with the prior art, the invention has the beneficial effects that:
The invention separates the fixed positions at the two ends of the main cable strand into five groups of cable strands by taking the center as a unit, and then uses the resin anchoring agent to cast and anchor the five groups of cable strands, the characteristics of the resin anchoring agent are that the bearing is fast, the anchoring performance is similar to that of a steel bar embedded part, the resin anchoring agent has strong adaptability, the bonding objects are wide, the fatigue strength is good, and the water-resistant resin anchoring agent has the characteristics, when water exists, the resin anchoring agent has the characteristics of quick reinforcement and high strength, avoids the influence of water on the curing rate, compressive strength and anchoring force of the resin anchoring agent in special environment, resin anchoring agent is used as a base layer for anchoring, and finally, smelted metal is poured at the two ends of the whole main cable, meanwhile, a layer of mortar is additionally arranged between the melting metal and the resin anchoring agent, and the mortar is mainly used for protecting the numerical value anchoring agent after internal solidification from being influenced by the high temperature of the external melting metal.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, which are only a part of the embodiments of the present invention, but not all of the embodiments.
The embodiment provided by the invention comprises the following steps: an ultra-high strength large-diameter steel wire main cable strand anchoring material and an anchoring method are disclosed, wherein the material comprises, by mass, 13% -14% of unsaturated polyester resin, 1% -1.6% of curing agent, 1% -1.6% of accelerant, 3.4% -4% of other auxiliary materials, 0.08% -0.38% of rare earth elements, 1.35% -1.73% of metal elements and 71.3% -72.8% of smelting metal materials.
Further, the preparation of the anchoring material comprises the following steps:
s1: unsaturated polyester resin, curing agent, accelerant and other auxiliary materials are mixed according to the proportion to prepare the resin anchoring agent, when the polyester resin is synthesized, if some other structures are introduced through chemical modification, the polyester resin can have the properties which are not possessed originally, the purpose of improving and highlighting a certain property is achieved, the special application property requirement is achieved, epoxy, acrylic acid and organic silicon modified polyester resin is used mostly, the polyester resin used in the coating is generally low molecular weight, amorphous, branched chain-containing and crosslinkable polymer, the polyester resin is generally formed by esterification of polyalcohol and polybasic acid, the polyester resin has two structures of pure linear type and branched type, the paint film prepared by the pure linear type resin has better flexibility and processability, the hardness and weather resistance of the paint film prepared by the branched type structure resin are outstanding, through the adjustment of the formula of the polyester resin, if the polyol is in excess, a hydroxyl terminated polyester may be obtained;
S2: using the mixed resin anchoring agent to cast and anchor the cable strand;
S3: coating and pouring the outer layer of the resin anchoring by using mortar to protect the resin anchoring agent in the outer layer of the resin anchoring, so that the subsequent construction process is facilitated;
S4: the method comprises the steps of mixing and smelting rare earth elements and metal elements according to a proportion to play a main supporting and anchoring role, wherein the smelting is a pyrometallurgical process of putting metal materials and other auxiliary materials into a heating furnace for melting and tempering, the furnace burden generates certain physical and chemical changes in the materials in the high-temperature (1300-1600K) furnace to produce crude metal or metal concentrates and furnace slag, the furnace burden is added with a flux which is easy to melt except concentrate, calcine, sintered ore and the like, and the addition of a reducing agent for carrying out a certain reaction, and furthermore, to provide the necessary temperature, often the addition of a fuel for combustion, feeding air or oxygen-enriched air, separating crude metal or metal concentrate due to small intersolubility with molten slag and density difference into two layers, wherein the concentrate contains sulfonium and yellow slag, and the like, and the concentrate can be processed by converting or other methods to obtain metal;
S5: and (4) performing pouring anchoring on two ends of the whole main cable by a hot-cast anchoring method.
Further, the anchor grouting method comprises the following steps:
the method comprises the following steps: prefabricating by adopting a high-strength steel wire with the diameter of about 0.5-0.75 mm by a prefabricated parallel steel wire strand method;
step two: each strand consists of 91 steel wires, the steel wires are arranged according to the shape of six sides and are wrapped by a strapping tape;
step three: the hot cast anchor is characterized in that the hot melt alloy anchoring of the end of a cable body in an anchor cavity is adopted as a basic structure of the hot cast anchor, and at present, a zinc-copper alloy containing 2 percent of copper is mostly applied;
step four: arranging the strands according to the actual required quantity and the specified shape to form a main cable, and monitoring and adjusting the sag and the anchor span tension of the strands during erection to ensure the linearity of the main cable;
step five: the two ends of the main cable are split into five strands by taking the center as a point, so that the main cable is prevented from shaking due to the influence of wind power on the main cable, the number of the strands in the center part is higher than that of the other four strands, the number of the four strands is kept approximately the same, and the balance of stress is guaranteed;
Step six: embedding the central cable strand into the anchoring area, and dispersing the other four strands around the central cable strand in a square shape;
step seven: and after the two ends of the main cable are well pulled and fixed, carrying out anchoring pouring in the anchoring pouring area.
further, in the first step, the outer surface of each high-strength steel wire is provided with a zinc-aluminum alloy coating, the service life of the steel wire is prolonged, a single plating process similar to hot galvanizing can be selected, the steel wire after the surface pretreatment and the plating assistant treatment is directly immersed into a zinc-aluminum alloy financial liquid tank for hot plating, and the zinc-aluminum alloy coating is obtained, or the double plating process is characterized in that the steel wire after the surface pretreatment and the plating assistant treatment is immersed into a zinc melting liquid tank for plating a zinc layer, and then is immersed into the zinc-aluminum alloy financial liquid tank for hot plating, and the zinc-aluminum alloy coating is obtained in a rack plating mode.
furthermore, the rare earth element is lanthanum (La) or cerium (Ce), most of the rare earth elements present paramagnetism, gadolinium has stronger ferromagnetism at 0 ℃ than iron, terbium, dysprosium, holmium, erbium and the like also present ferromagnetism at low temperature, the low melting point of lanthanum and cerium and the high vapor pressure of samarium, europium and ytterbium present great difference of the physical properties of the rare earth metals, the thermal neutron absorption cross section of samarium, europium and yttrium is larger than that of cadmium and boron which are widely used as nuclear reactor control materials, the rare earth metals have plasticity, the samarium and ytterbium are the best, except ytterbium, yttrium group rare earth has higher hardness than cerium group rare earth, and the metal elements are magnesium (Mg), zinc (Zn) and copper (Cu), and the metal catalyst is good.
Further, in S1, the resin anchoring agent has a gel time within 90-180 seconds, when pouring, according to the designed anchoring agent specification and rod length, the drilling depth is determined to be 60-80 mm shorter than the rod body, the dust floating in the eye hole is cleaned by compressed air, according to the designed anchoring length, the selected anchoring agent is sent into the hole bottom by the rod body, the stirrer is started to drive the rod body to rotate for 30 +/-5 seconds, the rod body is pushed into the hole bottom at a constant speed, the rod body is wedged at the hole opening in time after the stirrer is dismounted, the rod body is not required to be displaced or shaken before curing, the top hole is particularly important when installing the top hole, the anchoring force is preferably tested after the middle speed is 40 minutes, the anchoring force is preferably tested after the middle speed and the middle speed are respectively 7 minutes and 15 minutes, the support plate can be carried after the nut is screwed, the stirring installation tool can adopt a pneumatic anchor rod stirrer or an electric coal drill to add a connector according to the field power condition, the nut can adopt, if the jumbolter is adopted for operation, the drilling and the installation of the anchor rod are more convenient to operate simultaneously.
Further, in S3, after the resin coagulant is completely solidified, the resin coagulant is wrapped and covered by the mixed mortar with good heat insulation performance, the covering thickness is 3-5 cm, and the resin coagulant inside is protected from being influenced by external smelting and pouring.
The working principle is as follows: when in use, high-strength steel wires with the diameter of about 0.5-0.75 mm are prefabricated by a prefabricated parallel steel wire strand method, each strand is internally composed of 91 steel wires, the steel wires are arranged according to the shape of six sides and are wrapped by a strapping tape, then the two ends of each strand are anchored by a hot cast anchoring method, the length precision of each strand is ensured by standard wires or other methods during manufacture, the strands are arranged according to the actual required number and the specified shape to form a main cable, the sag and the anchor span tension of the strands are monitored and adjusted during erection to ensure the linearity of the main cable, the two ends of the main cable are split into five strands by taking the center as a point, the number of the strands at the central part is higher than that of the other four strands, the number of the four strands is kept approximately the same, the central cable strand is embedded into an anchoring area, the other four strands are dispersed around the central cable strand according to a square shape, after the two ends of the main cable are pulled and fixed, the anchoring area is cast, the method comprises the steps of mixing unsaturated polyester resin, a curing agent, an accelerant and other auxiliary materials according to a proportion, using a resin anchoring agent prepared by mixing to pour and anchor a cable strand, using mortar to wrap and pour the outer layer of the resin anchoring, using mixed mortar with good heat insulation performance to wrap and cover the outer layer of the resin anchoring, wherein the thickness of the covering is 3-5 cm, protecting an internal resin solidifying agent from being influenced by external melting and pouring, finally mixing and melting rare earth elements and metal elements according to the proportion, pouring and anchoring two ends of a main cable integrally by a hot casting anchoring method, wherein the hot casting anchoring method is earlier in application, mainly adopts a steel wire rope, disperses two ends of the steel wire rope in an anchorage device, and carries out anchoring after hot melting by using metals such as lead, tin, zinc and the like, and generates a wedging effect when the rope bears tensile force, and is used as a force transmission rope.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The ultrahigh-strength large-diameter steel wire main cable strand anchoring material is characterized by comprising 13-14% of unsaturated polyester resin, 1-1.6% of curing agent, 1-1.6% of accelerator, 3.4-4% of other auxiliary materials, 0.08-0.38% of rare earth elements, 1.35-1.73% of metal elements and 71.3-72.8% of smelting metal materials in terms of material quantity ratio.
2. The ultra-high strength large diameter steel wire main cable strand anchoring material and the anchor grouting method according to claim 1, wherein the anchor material preparation comprises the following steps:
s1: mixing unsaturated polyester resin, a curing agent, an accelerator and other auxiliary materials according to a proportion to prepare a resin anchoring agent;
s2: using the mixed resin anchoring agent to cast and anchor the cable strand;
s3: coating and pouring the resin anchoring outer layer by using mortar;
s4: mixing and smelting rare earth elements and metal elements in proportion;
S5: and (4) performing pouring anchoring on two ends of the whole main cable by a hot-cast anchoring method.
3. the ultra-high strength large diameter steel wire main cable strand anchoring material and the anchor grouting method according to claim 1, wherein the anchor grouting method comprises the following steps:
The method comprises the following steps: prefabricating by adopting a high-strength steel wire with the diameter of about 0.5-0.75 mm by a prefabricated parallel steel wire strand method;
step two: each strand consists of 91 steel wires, the steel wires are arranged according to the shape of six sides and are wrapped by a strapping tape;
Step three: two ends of the cable strand are anchored by a hot cast anchor method, and the length precision of the cable strand is ensured by using standard wires or other methods during manufacturing;
step four: arranging the strands according to the actual required quantity and the specified shape to form a main cable, and monitoring and adjusting the sag and the anchor span tension of the strands during erection to ensure the linearity of the main cable;
step five: splitting the two ends of the main cable into five strands by taking the center as a point, wherein the number of the strands in the center part is higher than that of the other four strands, and the number of the four strands is kept approximately the same;
Step six: embedding the central cable strand into the anchoring area, and dispersing the other four strands around the central cable strand in a square shape;
Step seven: and after the two ends of the main cable are well pulled and fixed, carrying out anchoring pouring in the anchoring pouring area.
4. the ultra-high strength large diameter steel wire main cable strand anchoring material and the anchor grouting method according to claim 3, wherein: in the first step, the outer surface of each high-strength steel wire is provided with a zinc-aluminum alloy coating.
5. the ultra-high strength large diameter steel wire main cable strand anchoring material and the anchor grouting method according to claim 1, wherein: the rare earth element is lanthanum (La) or cerium (Ce), and the metal elements are magnesium (Mg), zinc (Zn) and copper (Cu).
6. the ultra-high strength large diameter steel wire main cable strand anchoring material and the anchor grouting method according to claim 2, wherein: in said S1, the gel length of the resin anchoring agent is within 90-180 seconds.
7. The ultra-high strength large diameter steel wire main cable strand anchoring material and the anchor grouting method according to claim 2, wherein: in the step S3, after the resin coagulant is completely solidified, the resin coagulant is coated and covered by the mixed mortar with better heat insulation performance, and the coating thickness is 3-5 cm.
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| CN201910860015.8A CN110538984B (en) | 2019-09-11 | 2019-09-11 | Preparation and anchor grouting method of ultrahigh-strength large-diameter steel wire main cable strand anchoring material |
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| CN201910860015.8A CN110538984B (en) | 2019-09-11 | 2019-09-11 | Preparation and anchor grouting method of ultrahigh-strength large-diameter steel wire main cable strand anchoring material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471288A (en) * | 2020-05-15 | 2020-07-31 | 刘刚 | Socket casting agent |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4433847A1 (en) * | 1994-09-22 | 1996-03-28 | Dyckerhoff & Widmann Ag | Method for introducing casting compound into hollow space |
| CN2714617Y (en) * | 2004-07-06 | 2005-08-03 | 江苏法尔胜新日制铁缆索有限公司 | Lasting anti-fatigue cold-hot-cast anchor drag line |
| KR101000159B1 (en) * | 2010-09-09 | 2010-12-10 | 현대건설주식회사 | Combining method of end socket and prefabricated parallel wire strand specimen for suspension bridge |
| CN102535342A (en) * | 2012-01-12 | 2012-07-04 | 江苏法尔胜缆索有限公司 | Cable-end sealing method for suspension cable of suspension bridge |
| CN103058580A (en) * | 2012-12-07 | 2013-04-24 | 安徽淮河化工股份有限公司 | High-temperature-resistant resin anchoring agent and preparation method thereof |
| CN103628337A (en) * | 2012-08-22 | 2014-03-12 | 上海锡华机械工程有限公司 | Sleeving method between steel wire rope and molten metal |
| CN207017163U (en) * | 2017-06-06 | 2018-02-16 | 上海浦江缆索股份有限公司 | Fireproof guy cable structure |
| CN208844425U (en) * | 2018-05-09 | 2019-05-10 | 江苏法尔胜缆索有限公司 | The anchor structure of superhigh intensity major diameter steel wire main cable strand |
-
2019
- 2019-09-11 CN CN201910860015.8A patent/CN110538984B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4433847A1 (en) * | 1994-09-22 | 1996-03-28 | Dyckerhoff & Widmann Ag | Method for introducing casting compound into hollow space |
| CN2714617Y (en) * | 2004-07-06 | 2005-08-03 | 江苏法尔胜新日制铁缆索有限公司 | Lasting anti-fatigue cold-hot-cast anchor drag line |
| KR101000159B1 (en) * | 2010-09-09 | 2010-12-10 | 현대건설주식회사 | Combining method of end socket and prefabricated parallel wire strand specimen for suspension bridge |
| CN102535342A (en) * | 2012-01-12 | 2012-07-04 | 江苏法尔胜缆索有限公司 | Cable-end sealing method for suspension cable of suspension bridge |
| CN103628337A (en) * | 2012-08-22 | 2014-03-12 | 上海锡华机械工程有限公司 | Sleeving method between steel wire rope and molten metal |
| CN103058580A (en) * | 2012-12-07 | 2013-04-24 | 安徽淮河化工股份有限公司 | High-temperature-resistant resin anchoring agent and preparation method thereof |
| CN207017163U (en) * | 2017-06-06 | 2018-02-16 | 上海浦江缆索股份有限公司 | Fireproof guy cable structure |
| CN208844425U (en) * | 2018-05-09 | 2019-05-10 | 江苏法尔胜缆索有限公司 | The anchor structure of superhigh intensity major diameter steel wire main cable strand |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471288A (en) * | 2020-05-15 | 2020-07-31 | 刘刚 | Socket casting agent |
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| CN110538984B (en) | 2021-04-23 |
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