CN112047692A - Material suitable for preparing UHPC electric pole and electric pole prepared based on material - Google Patents
Material suitable for preparing UHPC electric pole and electric pole prepared based on material Download PDFInfo
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- CN112047692A CN112047692A CN202010962450.4A CN202010962450A CN112047692A CN 112047692 A CN112047692 A CN 112047692A CN 202010962450 A CN202010962450 A CN 202010962450A CN 112047692 A CN112047692 A CN 112047692A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to a material suitable for preparing a UHPC electric pole, which comprises the following components in parts by weight: 100 parts of inorganic gelled powder, 20-40 parts of mineral admixture, 100 parts of quartz sand and 200 parts of gravel, 80-100 parts of functional binder, 5-15 parts of aramid fiber, 20-30 parts of basalt fiber and 25-36 parts of water. Compared with the prior art, the electric pole made of the material has excellent strength and toughness, strong anti-permeability capability and excellent crack resistance, can effectively resist cracking even in an environment with large temperature and humidity changes, has good corrosion resistance, long service life, simple production method and good controllability, and has good application prospect.
Description
Technical Field
The invention belongs to the technical field of electric power engineering, and relates to a material suitable for preparing a UHPC electric pole and an electric pole prepared based on the material.
Background
In electric power engineering applications, concrete poles are widely used in electric power, communication and overhead line lighting columns and signal machine columns of overhead contact lines, and under a dry and non-corrosive environment, the concrete poles generally have excellent strength, and the service life of the concrete poles is generally about 30 years and can exceed 50 years at most. However, in an environment with relatively severe natural conditions, for example, in areas such as swamps, saline-alkali lands, coastal areas, etc., since the concrete pole is located on the ground or at the joint between the water surface and the atmosphere, the concrete pole is subjected to adverse environmental factors and simultaneously is affected by adverse conditions such as dry-wet cycles, freeze-thaw cycles, cold-hot alternation, etc., so that the concrete layer of the concrete pole is corroded, cracked and peeled off, the steel bars are corroded, and finally the pole is turned over, which seriously affects the normal service life of the pole.
The ultra-high performance concrete (UHPC) has ultra-high mechanical property and excellent durability as a novel high performance concrete. The steel fiber is doped into the UHPC, so that the ductility of concrete is improved to a great extent, and the UHPC concrete electric pole has a very wide development prospect. However, in practical application, the corrosion resistance, toughness and crack resistance of the existing UHPC concrete pole need to be further improved so as to adapt to a severe use environment.
Disclosure of Invention
An object of the present invention is to overcome the above-mentioned drawbacks of the prior art and to provide a material suitable for making UHPC poles, which has high strength, good toughness, excellent corrosion resistance, good volume stability, no shrinkage and outstanding durability.
Another object of the invention is to provide a pole made on the basis of said material.
The purpose of the invention can be realized by the following technical scheme:
according to one aspect of the invention, a material suitable for preparing UHPC electric poles is provided, which comprises the following components in parts by weight: 100 parts of inorganic gelled powder, 20-40 parts of mineral admixture, 100 parts of quartz sand and 200 parts of gravel, 80-100 parts of functional binder, 5-15 parts of aramid fiber, 20-30 parts of basalt fiber and 25-36 parts of water.
As a preferred technical scheme, the inorganic gelled powder is Portland cement with the strength grade of 52.5 or 52.5R.
As a preferable technical scheme, the mineral admixture comprises at least one of silica fume, blast furnace slag powder and superfine metakaolin, and the specific surface area of the mineral admixture is more than or equal to 2000m2/kg。
As a preferred technical scheme, the granularity D of the quartz sand particles50200-300 μm.
As a preferable technical scheme, the crushed stone is formed by uniformly mixing 2-6mm, 8-10mm and 15-20mm crushed stones with the grain size specification according to the mass ratio of 3:5: 10.
As a preferred technical scheme, the functional adhesive is prepared from the following raw materials in parts by weight: 40-50 parts of rice hull ash, 16-20 parts of thermoplastic elastomer and 1-4 parts of fluorine modified silicone resin.
As a preferred technical scheme, the preparation method of the fluorine modified silicone resin comprises the following steps: the organic silicon resin, the fluororesin, the hydroxyl-containing polyurethane resin and the silane coupling agent are placed in an organic solvent and stirred and reacted for 2 hours at the temperature of 132-140 ℃, and then the fluorine modified silicon resin is prepared.
In a further preferred embodiment, the mass ratio of the silicone resin to the fluororesin, the hydroxyl-containing polyurethane resin, the silane coupling agent and the organic solvent is 10:2-5:1:0.1-0.4:20, the silicone resin is gamma-methacryloxypropyl trimethoxysilane, the fluororesin is hexafluoroisopropyl methacrylate, the hydroxyl group content in the hydroxyl-containing polyurethane resin is 1.2% by mass, the silane coupling agent is KH-550, and the organic solvent is tetrahydrofuran.
As a preferred technical scheme, the preparation method of the functional adhesive comprises the following steps: mixing and stirring the rice hull ash, the thermoplastic elastomer and the fluorine modified silicone resin uniformly at the temperature of 110-120 ℃ according to the parts by weight, and naturally cooling to room temperature.
As a further preferable mode, the particle diameter of the thermoplastic elastomer particles is not more than 200 μm, and the thermoplastic elastomer is a polyamide-based thermoplastic elastomer, for example, one selected from TPAE-12, TPAE-38 and TPAE-10 commercially available from T & K TOKA.
As a further preferable technical scheme, the rice hull ash is obtained by burning rice hulls at 800 ℃ under 700-.
As a preferable technical scheme, the length of the aramid fiber and the basalt fiber is 6-12 mm.
According to another aspect of the present invention, there is provided an electric pole which is prepared from the above material, prestressed steel bars and non-prestressed steel bars.
As a preferable technical scheme, the preparation method of the electric pole comprises the following steps:
step 1): placing prestressed reinforcements and non-prestressed reinforcements in a test mold, arranging the prestressed reinforcements and the non-prestressed reinforcements at intervals, binding the reinforcements, and tensioning the prestressed reinforcements;
step 2): uniformly mixing inorganic gelling powder, mineral admixture, quartz sand and crushed stone according to the parts by weight to prepare a first premix, uniformly mixing functional binder, aramid fiber, basalt fiber and water accounting for 60 percent of the total amount of water according to the parts by weight to prepare a second premix, mixing the first premix with the second premix, adding the rest part by weight of water while stirring until the mixture is uniformly stirred to prepare a concrete mixture, introducing the concrete mixture into a test mold, carrying out centrifugal molding, carrying out high-temperature high-pressure curing, then demolding, lifting and stacking, and carrying out secondary curing for 21 days according to a conventional method.
As a further preferable embodiment, the conditions of the centrifugal molding are as follows: firstly centrifuging at 200 rpm for 1-3 min at 100-.
As a further preferable technical solution, the conditions of the high-temperature and high-pressure curing are as follows: firstly heating to 60 ℃ at the speed of 5 ℃/h, keeping the pressure at 1.3 MPa for 12 h, then heating to 90 ℃ at the speed of 5 ℃/h, keeping the pressure at 1.3 MPa for 24 h, cooling to room temperature at the speed of 10 ℃/h, and finishing high-temperature and high-pressure maintenance after the pressure is reduced to 0.1 MPa.
Compared with the prior art, the invention has the following characteristics:
1) the invention introduces functional adhesive into a mixed system of inorganic gelled powder, mineral admixture, quartz sand and crushed stone, the functional adhesive is prepared by mixing rice hull ash, thermoplastic elastomer and fluorine modified silicone resin, wherein organic fluorine resin is adopted to modify the silicone resin, which can effectively improve the cohesiveness and the dirt resistance of the silicone resin, the modified silicone resin can improve the cohesive strength between the thermoplastic elastomer and the rice hull ash, is beneficial to improving the interface stability of the thermoplastic elastomer and the rice hull ash, so that the thermoplastic elastomer can be uniformly dispersed in the rice hull ash to obtain the functional adhesive with good compatibility with a concrete base material, and the functional adhesive has good toughness due to the thermoplastic elastomer, can improve the toughness of the concrete material system and increase the cohesive force of the concrete material system when dispersed in the concrete base material, the instant pressure born by the concrete base material can be greatly slowed down and absorbed, and the breaking strength and the crack resistance of a concrete material system can be obviously improved;
2) the aramid fiber and the basalt fiber in the material system can be rapidly and uniformly dispersed to form a multidirectional supporting system, the directional stress in concrete can be favorably dispersed, the aramid fiber, the basalt fiber and the functional binder have a synergistic effect, cracks generated due to the volume shrinkage of the concrete in a hydration process can be effectively prevented or inhibited, the generation of the cracks can be favorably and rapidly eliminated or reduced, and the toughness of the concrete can be further improved;
3) in the material system, the quartz sand and the broken stone can compactly fill the gaps of the concrete under the action of the functional binder, so that the compactness of the concrete is improved, the impermeability of the concrete is improved, and the material distribution performance and the vibration forming performance of the concrete can be improved;
4) the electric pole made of the material has excellent strength and toughness, strong anti-permeability capability and excellent crack resistance, can effectively resist cracking even in an environment with large temperature and humidity changes, has good corrosion resistance, long service life, simple production method and good controllability, and has good application prospect.
Detailed Description
The inventor finds that the functional binder is introduced into a mixed system of inorganic gelled powder, mineral admixture, quartz sand and crushed stone, has good toughness, can improve the toughness of a concrete material system by being dispersed in a concrete base material, increases the cohesive force of the concrete material system, can greatly slow down and absorb the instant pressure borne by the concrete base material, can play a synergistic role with aramid fiber and basalt fiber, can effectively prevent or inhibit cracks generated due to the volume shrinkage of concrete in a hydration process, is beneficial to quickly eliminating or reducing the cracks, further improves the toughness of the concrete, can obviously improve the flexural strength and the crack resistance of the concrete material system, and can play a role similar to 'internal lubrication' between the quartz sand, the crushed stone and the mineral admixture, the concrete filling material is beneficial to the dispersion of quartz sand, broken stone and mineral admixture in a concrete material system, can densely fill the gap of concrete, improves the compactness of the concrete, increases the impermeability of the concrete, and can increase the distribution performance and the vibration forming performance of the concrete.
On the basis of this, the present invention has been completed.
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed embodiment and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein. As used herein, the term "about" when used to modify a numerical value means within + -5% of the error margin measured for that value.
The technical scheme of the invention is further illustrated by the following specific examples, and the raw materials used in the invention are all commercial products unless otherwise specified.
The following table 1 shows the raw material components and the weight part contents of the materials of examples 1 to 5 and comparative examples 1 to 2.
TABLE 1 formulation of the raw Material Components for the materials of examples 1-5 and comparative examples 1-2
Note: in table 1, "/" in comparative example 1 indicates that the functional binder is not included, and "+" in comparative example 2 indicates that 6 parts of rice hull ash is used instead of the functional binder.
In Table 1, the inorganic cementitious powders used in examples 1-2 are Portland cement with a strength grade of 52.5; the inorganic cementitious powders used in examples 3-5 and comparative examples 1-2 were portland cements with a strength grade of 52.5R.
In Table 1, the mineral admixtures used in examples 1-2 had specific surface areas of 2000m or more2/kg of ultrafine metakaolin; the mineral admixture used in the example 3 and the comparative examples 1-2 is formed by mixing silica fume, blast furnace slag powder and superfine metakaolin according to the mass ratio of 1:3:1, and the specific surface area is more than or equal to 2000m2Per kg; example 4 the mineral admixture used was a mineral admixture having a specific surface area of 2000m or more2/kg of blast furnace slag powder; example 5 the mineral admixture used was a mineral admixture having a specific surface area of 2000m or more2Silica fume per kg.
In Table 1, the particle size D of the silica sand particles used in examples 1 to 3 and comparative examples 1 to 250200 μm, particle size D of the silica sand particles used in example 450Particle size D of the Quartz Sand particles used in example 5 at 240 μm50And 300 μm.
In Table 1, crushed stones used in examples 1 to 3 and comparative examples 1 to 2 were uniformly mixed at a mass ratio of 3:5:10 from crushed stones of three types of grain sizes of 2mm, 8mm and 15mm, crushed stones used in example 4 were uniformly mixed at a mass ratio of 3:5:10 from crushed stones of three types of grain sizes of 6mm, 10mm and 20mm, and crushed stones used in example 5 were uniformly mixed at a mass ratio of 3:5:10 from crushed stones of three types of grain sizes of 4mm, 10mm and 18 mm.
In table 1, the length of the aramid fiber and basalt fiber used in examples 1 to 2 was 12mm, the length of the aramid fiber and basalt fiber used in example 3 and comparative examples 1 to 2 was 6mm, and the length of the aramid fiber and basalt fiber used in examples 4 and 5 was 10 mm.
The following table 2 shows the raw material components and the amounts thereof of the functional adhesives in examples 1 to 5.
Table 2 raw material components and amounts thereof of the functional binders in examples 1 to 5
The preparation method of the fluorine-modified silicone resin used in table 2 above is as follows:
the fluorine modified silicone resin is prepared by placing the organic silicon resin, the fluororesin, the hydroxyl-containing polyurethane resin and the silane coupling agent in an organic solvent, and stirring and reacting for 2 hours at the temperature of 132-140 ℃ (for example, 132 ℃ in example 1, 138 ℃ in example 2 and 140 ℃ in examples 3-5).
In the preparation method, the organic silicon resin is gamma-methacryloxypropyl trimethoxy silane, the fluororesin is hexafluoroisopropyl methacrylate, the mass content of hydroxyl in the hydroxyl-containing polyurethane resin is 1.2 percent, the silane coupling agent is KH-550, and the organic solvent is tetrahydrofuran. The dosage relationship among the silicone resin, the fluororesin, the hydroxyl-containing polyurethane resin, the silane coupling agent and the organic solvent is shown in table 3 below.
TABLE 3 relationship between the amounts of raw materials in the preparation of fluorine-modified silicone resins
The particle size of the thermoplastic elastomer used in examples 1 to 5 is not more than 200 μm, wherein the thermoplastic elastomer used in examples 1 to 2 is commercially available TPAE-38, the thermoplastic elastomer used in example 3 is commercially available TPAE-12, and the thermoplastic elastomer used in examples 4 to 5 is commercially available TPAE-10.
The rice husk ash used in examples 1 to 5 was obtained by incinerating rice husk at 800 ℃ at 700-.
Based on the raw material components and the amounts thereof in table 2 above, the functional binders in examples 1 to 5 were prepared as follows: the rice hull ash, the thermoplastic elastomer and the fluorine modified silicone resin are mixed and stirred uniformly at the temperature of 110-120 ℃ (for example, 110 ℃ in the embodiment 1-2, 120 ℃ in the embodiment 3 and 116 ℃ in the embodiment 4-5) according to the parts by weight, and then the mixture is naturally cooled to the room temperature.
Here, the materials of examples 1 to 5 were respectively used to prepare electric poles based on the following methods:
step 1): placing prestressed reinforcements and non-prestressed reinforcements in a test mold, arranging the prestressed reinforcements and the non-prestressed reinforcements at intervals, binding the reinforcements, and tensioning the prestressed reinforcements;
step 2): uniformly mixing inorganic gelling powder, mineral admixture, quartz sand and crushed stone according to the weight part to prepare a first premix, uniformly mixing functional binder, aramid fiber, basalt fiber and water accounting for 60 percent of the total weight part of the water according to the weight part to prepare a second premix, then mixing the first premix with the second premix, adding the rest water according to the weight part while stirring until the mixture is uniformly stirred to prepare a concrete mixture, introducing the concrete mixture into a test mold, carrying out centrifugal molding, then carrying out high-temperature high-pressure curing, namely heating to 60 ℃ at the speed of 5 ℃/hour, keeping the pressure at 1.3 MPa for 12 hours, heating to 90 ℃ at the speed of 5 ℃/hour, keeping the pressure at 1.3 MPa for 24 hours, cooling to room temperature at the speed of 10 ℃/hour, completing high-temperature high-pressure curing after the pressure is reduced to 0.1, and then demolding, and lifting and stacking, and carrying out secondary curing for 21 days according to a conventional method.
Wherein, the conditions of centrifugal molding in the step 2) are as follows:
for example 1-2, centrifuge at first 100 rpm for 3 minutes, then 600 rpm for 3 minutes, and finally 1200 rpm for 10 minutes;
for example 3, centrifugation was performed for 2 minutes at 200 rpm, followed by 2 minutes at 900 rpm, and finally 8 minutes at 1300 rpm;
for examples 4-5, centrifugation was performed for 1 minute at 200 rpm, followed by 1 minute at 800 rpm, and finally 5 minutes at 1300 rpm.
The electric pole was fabricated using the materials of comparative examples 1-2 based on the substantially same fabrication method as described above.
The performance tests of the electric poles manufactured in the above examples 1 to 5 and comparative examples 1 to 2 are shown in the following table 4:
table 4 results of performance test of electric poles manufactured from the raw material component formulations of examples 1 to 5 and comparative examples 1 to 2
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications and variations can be made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The material suitable for preparing the UHPC electric pole is characterized by comprising the following components in parts by weight: 100 parts of inorganic gelled powder, 20-40 parts of mineral admixture, 100 parts of quartz sand and 200 parts of gravel, 80-100 parts of functional binder, 5-15 parts of aramid fiber, 20-30 parts of basalt fiber and 25-36 parts of water.
2. The material suitable for the preparation of UHPC poles as claimed in claim 1, characterized in that said inorganic cementitious powder is portland cement with a strength grade of 52.5 or 52.5R.
3. The material for preparing UHPC electric pole as recited in claim 1, wherein the mineral admixture comprises at least one of silica fume, blast furnace slag powder, ultra-fine metakaolin, and the specific surface area of the mineral admixture is more than or equal to 2000m2/kg。
4. Material suitable for making UHPC poles according to claim 1, characterized in that said quartz sand particles have a size D50200-300 μm.
5. The material suitable for preparing UHPC electric poles as recited in claim 1, characterized in that said crushed stone is made by uniformly mixing 2-6mm, 8-10mm and 15-20mm crushed stones with three particle size specifications according to the mass ratio of 3:5: 10.
6. The material suitable for preparing UHPC electric poles as recited in claim 1, characterized in that said functional binder is made of raw materials containing the following components and their weight portions: 40-50 parts of rice hull ash, 16-20 parts of thermoplastic elastomer and 1-4 parts of fluorine modified silicone resin.
7. The material suitable for preparing UHPC electric pole as recited in claim 6, characterized in that the preparation method of the fluorine modified silicone resin is: placing organic silicon resin, fluororesin, hydroxyl-containing polyurethane resin and a silane coupling agent in an organic solvent, and stirring and reacting for 2 hours at the temperature of 132-;
the mass ratio of the organic silicon resin to a fluororesin, a hydroxyl-containing polyurethane resin, a silane coupling agent and an organic solvent is 10:2-5:1:0.1-0.4:20, the organic silicon resin is gamma-methacryloxypropyl trimethoxy silane, the fluororesin is hexafluoroisopropyl methacrylate, the mass content of hydroxyl in the hydroxyl-containing polyurethane resin is 1.2%, the silane coupling agent is KH-550, and the organic solvent is tetrahydrofuran.
8. The material suitable for preparing UHPC electric pole according to claim 6, characterized in that the functional binder is prepared by the following method: mixing and stirring the rice hull ash, the thermoplastic elastomer and the fluorine modified silicone resin uniformly at the temperature of 110-120 ℃ according to the parts by weight, and naturally cooling to room temperature.
9. The material suitable for preparing UHPC pole as recited in claim 1, characterized in that the length of the aramid fiber and basalt fiber is 6-12 mm.
10. An electric pole, characterized in that it is made of a material according to any one of claims 1 to 9, prestressed and non-prestressed reinforcement.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368078A (en) * | 2022-08-30 | 2022-11-22 | 河南鼎力杆塔股份有限公司 | Concrete containing basalt fibers and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090071378A1 (en) * | 2005-04-18 | 2009-03-19 | Denki Kagaku Kogyo Kabushiki Kaisha | Ultra high strength fiber-reinforced cement composition, ultra high strength fiber-reinforced mortar or concrete and ultra high strength cement additives |
| CN103936367A (en) * | 2014-02-27 | 2014-07-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Heat-sensitive material modified concrete, prefabricated part of modified concrete and preparation method for cast-in-place of modified concrete |
| CN110981351A (en) * | 2019-12-19 | 2020-04-10 | 国网福建省电力有限公司经济技术研究院 | Hybrid fiber ultra-high performance concrete UHPC electric pole and manufacturing method thereof |
| CN111440565A (en) * | 2020-05-19 | 2020-07-24 | 上海嘉好胶粘制品有限公司 | Aging-resistant high-lasting-viscosity hot-melt pressure-sensitive adhesive for PVC (polyvinyl chloride) floor and preparation method thereof |
-
2020
- 2020-09-14 CN CN202010962450.4A patent/CN112047692B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090071378A1 (en) * | 2005-04-18 | 2009-03-19 | Denki Kagaku Kogyo Kabushiki Kaisha | Ultra high strength fiber-reinforced cement composition, ultra high strength fiber-reinforced mortar or concrete and ultra high strength cement additives |
| CN103936367A (en) * | 2014-02-27 | 2014-07-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Heat-sensitive material modified concrete, prefabricated part of modified concrete and preparation method for cast-in-place of modified concrete |
| CN110981351A (en) * | 2019-12-19 | 2020-04-10 | 国网福建省电力有限公司经济技术研究院 | Hybrid fiber ultra-high performance concrete UHPC electric pole and manufacturing method thereof |
| CN111440565A (en) * | 2020-05-19 | 2020-07-24 | 上海嘉好胶粘制品有限公司 | Aging-resistant high-lasting-viscosity hot-melt pressure-sensitive adhesive for PVC (polyvinyl chloride) floor and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 贾淑明 等: "《土木工程材料》", 28 February 2019, 西安电子科技大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368078A (en) * | 2022-08-30 | 2022-11-22 | 河南鼎力杆塔股份有限公司 | Concrete containing basalt fibers and preparation method and application thereof |
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