CN114163188A - High-ductility caulking reinforcing daub and preparation method thereof - Google Patents
High-ductility caulking reinforcing daub and preparation method thereof Download PDFInfo
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- CN114163188A CN114163188A CN202111425510.XA CN202111425510A CN114163188A CN 114163188 A CN114163188 A CN 114163188A CN 202111425510 A CN202111425510 A CN 202111425510A CN 114163188 A CN114163188 A CN 114163188A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000839 emulsion Substances 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000006004 Quartz sand Substances 0.000 claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 239000002086 nanomaterial Substances 0.000 claims abstract description 16
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 16
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 13
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 13
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 13
- 239000010881 fly ash Substances 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 13
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 13
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000013521 mastic Substances 0.000 claims 5
- 238000010276 construction Methods 0.000 abstract description 10
- 239000004570 mortar (masonry) Substances 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2046—Shock-absorbing materials
-
- 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
-
- 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]
Abstract
The invention discloses high-ductility caulking reinforcing daub and a preparation method thereof, belonging to the technical field of building materials and comprising the following raw materials in parts by weight: 25-35 parts of P, O42.5 cement, 2-5 parts of superfine silicon powder, 2-5 parts of granulated blast furnace slag, 3-5 parts of secondary fly ash, 40-60 parts of quartz sand, 1-3 parts of high-elastic modulus fiber, 0.5-1 part of high-performance water reducing agent, 1-4 parts of natural inorganic nano material, and nano SiO20.5-2 parts of cellulose ether, 0.1-0.5 part of acrylic modified cement-based material polymer emulsion and 1-5 parts of acrylic modified cement-based material polymer emulsion, and has the following beneficial effects: the invention has simple process, complete non-toxic preparation and construction process, no environmental pollution, and high strength and high ductility caulking reinforcement mortar prepared by the methodThe performance and the high fatigue resistance are low, the requirement on a construction base surface is low, the construction can be carried out on a damp base surface, and the construction is convenient, safe and reliable.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to high-ductility caulking reinforcing mortar and a preparation method thereof.
Background
Survey report of earthquake of 12 days 5 and 5 months in 2008 shows: the damage rate and the damage degree of the masonry structure in earthquake disasters are more serious than those of other building forms. Survey reports of earthquakes at 4 months and 10 days in 2010 show that: a large number of houses are damaged in an earthquake, the houses with the civil engineering and brick-wood structures collapse in the disaster area, almost all houses with the civil engineering and brick-wood structures collapse or are damaged seriously in the disaster area, more than 80% of houses with the brick-concrete structure collapse, and about 20% of houses with the frame structure collapse. It can be seen from several violent earthquakes in China that the destruction rate of the masonry structure is quite high. Because masonry structure material fragility is great, the ductility is relatively poor, when the earthquake intensity is 6 degrees, just have certain destructiveness to masonry structure's building, have the crack to some houses because of the design is unreasonable or construction quality is not up to standard. When the seismic intensity is 7-8 degrees, most wall parts of the masonry structure can generate cracks of different degrees, and some masonry houses with poor seismic performance can collapse due to the cracks.
Although the number of other structural forms such as reinforced concrete frame structures, shear wall structures, steel structures and the like is rapidly developed in a long period of time in the future, masonry structures have a long history in China and are large in reserve, and masonry structure houses are still one of the main structural forms of civil buildings in most cities and towns in consideration of the practical situations of economic development level, population environment and the like in partial areas of China. The masonry structure has a plurality of obvious defects, so that the seismic performance of the masonry structure is poor, seismic detection and reinforcement of the masonry structure in a long period of time in the future are one of the working key points of domestic house structures, and the corresponding structural reinforcement material is also a key point of development.
The high-ductility concrete has good ductility and toughness due to the use of the high-elastic modulus fiber, and is widely used in reinforcement engineering, but the application range of the high-ductility concrete is also limited due to the fact that the high-ductility concrete belongs to a cement-based material which is brittle and weak in bonding performance.
Disclosure of Invention
The invention aims to provide a high-ductility caulking strengthening daub aiming at the defects in the prior art, and particularly discloses a preparation method of the high-ductility caulking strengthening daub.
In order to achieve the purpose, the invention adopts the technical scheme that:
the high-ductility caulking reinforcing daub comprises the following raw materials in parts by weight: 25-35 parts of P.O42.5 cement2-5 parts of superfine silicon powder, 2-5 parts of granulated blast furnace slag, 3-5 parts of secondary fly ash, 40-60 parts of quartz sand, 1-3 parts of high-elastic modulus fiber, 0.5-1 part of high-performance water reducing agent, 1-4 parts of natural inorganic nano material and nano SiO20.5-2 parts of cellulose ether, 0.1-0.5 part of acrylic modified cement-based material polymer emulsion and 1-5 parts of acrylic modified cement-based material polymer emulsion.
The activity index of the superfine silicon powder reaches s 105.
The particle size of the quartz sand is 70-140 meshes.
The nominal length of the high elastic modulus fiber is 6-12mm, and the tensile strength is more than 1200N/mm2。
The water reducing rate of the high-performance water reducing agent is more than 30 percent.
A preparation method of high-ductility caulking reinforcing mortar comprises the following steps:
s1: weighing P.O42.5 cement, superfine silicon powder, granulated blast furnace slag, secondary fly ash, quartz sand, high-elastic modulus fiber, high-performance water reducing agent, natural inorganic nano material and nano SiO in proportion2Cellulose ether and acrylic acid modified cement-based material high molecular emulsion for later use;
s2: weighing P.O42.5 cement, superfine silicon powder, granulated blast furnace slag, secondary fly ash, quartz sand, high-elastic modulus fiber, high-performance water reducing agent, natural inorganic nano material and nano SiO2Adding the cellulose ether and the cellulose ether into a stirrer, uniformly mixing, weighing and packaging to obtain a mixture;
s3: and adding the acrylic acid modified cement-based material polymer emulsion into the mixture, and uniformly stirring to obtain the high-ductility caulking reinforcing cement.
Compared with the prior art, the invention has the following beneficial effects:
1) the process is simple, the preparation and construction processes are completely nontoxic, the environment cannot be polluted, the prepared high-ductility caulking reinforcing mortar has high strength, high ductility and high fatigue resistance, the requirement on a construction base surface is low, the construction can be carried out on a damp base surface, and the construction is convenient, safe and reliable;
2) the performance of the cement-based material is improved by adding the natural inorganic nano material, the natural inorganic nano material has good microstructure characteristics, and a scanning electron microscope shows that the structure of the natural inorganic nano material is chain-shaped, so that the microstructure of a cement-based material interface can be effectively changed, and the compactness and the durability of the cement-based material are improved;
3) the invention adds nano SiO2To improve its performance, nano SiO2Can carry out secondary reaction with the product after the hydration of the cement to generate insoluble crystals to block pores and cracks, so that the set cement is more compact, and simultaneously, when the set cement is damaged, the unreacted nano SiO2The cement-based material can also continuously react with hydration products, and is repaired at the initial stage of damage, so that the further damage of the cement-based material is prevented, and the service life of the building (structure) is prolonged;
4) the performance of the cement-based material is further improved by adding the superfine active mineral material, and the superfine active mineral material has smaller grain diameter and activity, can be filled in gaps of a cement stone material and can further react with hydration products to improve the compactness of the cement, so that the durability and the mechanical property of the cement are improved;
5) the high-elastic modulus fiber is added to achieve high impact resistance, high tensile strength, high fatigue resistance and high wear resistance, and the use of the high-elastic modulus fiber material also improves the overall stability of a building (structure) so as to improve the anti-seismic property of the building (structure);
6) according to the invention, by adding the acrylic modified cement-based material high-molecular emulsion, the daub has good cohesiveness, the bonding strength between the daub and a base surface is increased, the interface performance and the interface microstructure of the cement-based material can be effectively improved, and the compactness and the durability of the cement-based material are improved. The surface tension of water on a concrete interface can be reduced, the water-retaining and water-reducing performance is very good, and meanwhile, the interface performance of fibers can be improved by adding the acrylic modified cement-based material high-molecular emulsion, so that the bonding performance of the fibers and the cement-based material can be improved, and the overall performance of the high-ductility caulking reinforcing mortar is improved.
Detailed Description
The present invention will now be described in detail with reference to specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
The invention discloses high-ductility caulking reinforcing daub which comprises the following raw materials in parts by weight: 25-35 parts of P, O42.5 cement, 2-5 parts of superfine silicon powder, 2-5 parts of granulated blast furnace slag, 3-5 parts of secondary fly ash, 40-60 parts of quartz sand, 1-3 parts of high-elastic modulus fiber, 0.5-1 part of high-performance water reducing agent, 1-4 parts of natural inorganic nano material, and nano SiO20.5-2 parts of cellulose ether, 0.1-0.5 part of acrylic modified cement-based material polymer emulsion and 1-5 parts of acrylic modified cement-based material polymer emulsion.
Wherein: the activity index of the superfine silicon powder reaches s 105.
The particle size of the quartz sand is 70-140 meshes.
The nominal length of the high elastic modulus fiber is 6-12mm, and the tensile strength is more than 1200N/mm2。
The water reducing rate of the high-performance water reducing agent is more than 30 percent.
The preparation method of the high-ductility caulking reinforcing mortar comprises the following steps:
s1: weighing P.O42.5 cement, superfine silicon powder, granulated blast furnace slag, secondary fly ash, quartz sand, high-elastic modulus fiber, high-performance water reducing agent, natural inorganic nano material and nano SiO in proportion2Cellulose ether and acrylic acid modified cement-based material high molecular emulsion for later use;
s2: weighing P.O42.5 cement, superfine silicon powder, granulated blast furnace slag, secondary fly ash, quartz sand, high-elastic modulus fiber, high-performance water reducing agent, natural inorganic nano material and nano SiO2Adding the cellulose ether and the cellulose ether into a stirrer, uniformly mixing, weighing and packaging to obtain a mixture;
s3: adding the acrylic acid modified cement-based material polymer emulsion into the mixture, and uniformly stirring to prepare the high-ductility caulking reinforcing cement;
s4: when in use, the prepared high-ductility caulking reinforcing mortar is directly pressed and smeared on a construction part.
The specific embodiment of the invention is as follows:
example 1
The invention discloses high-ductility caulking reinforcing daub which comprises the following raw materials in parts by weight: 25 parts of P.O42.5 cement, 5 parts of superfine silicon powder, 5 parts of granulated blast furnace slag, 5 parts of secondary fly ash, 50 parts of quartz sand, 1 part of high-elastic modulus fiber, 0.5 part of high-performance water reducing agent, 3 parts of natural inorganic nano material and nano SiO20.4 part of cellulose ether, 0.1 part of acrylic modified cement-based material anti-corrosion and anti-freezing polymer emulsion and 5 parts of acrylic modified cement-based material anti-corrosion and anti-freezing polymer emulsion.
Example 2
The invention discloses high-ductility caulking reinforcing daub which comprises the following raw materials in parts by weight: 30 parts of P.O42.5 cement, 5 parts of superfine silicon powder, 5 parts of granulated blast furnace slag, 5 parts of secondary fly ash, 45 parts of quartz sand, 3 parts of high-elastic modulus fiber, 0.5 part of high-performance water reducing agent, 3 parts of natural inorganic nano material and nano SiO20.4 part of cellulose ether, 0.1 part of acrylic modified cement-based material anti-corrosion and anti-freezing polymer emulsion 3 parts.
Example 3
The invention discloses high-ductility caulking reinforcing daub which comprises the following raw materials in parts by weight: 35 parts of P.O42.5 cement, 5 parts of superfine silicon powder, 5 parts of granulated blast furnace slag, 5 parts of secondary fly ash, 45 parts of quartz sand, 2 parts of high-elastic modulus fiber, 0.5 part of high-performance water reducing agent, 1 part of natural inorganic nano material and nano SiO20.4 part of cellulose ether, 0.1 part of acrylic modified cement-based material anti-corrosion and anti-freezing polymer emulsion and 1 part of acrylic modified cement-based material anti-corrosion and anti-freezing polymer emulsion.
The high ductility caulking strengthening daub prepared in example 2 is subjected to performance index test, and the test results are shown in table 1.
TABLE 1 high ductility pointing strengthening mortar Performance index
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained in the present document by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention.
Claims (6)
1. The high-ductility caulking reinforcing daub is characterized by comprising the following raw materials in parts by weight: 25-35 parts of P, O42.5 cement, 2-5 parts of superfine silicon powder, 2-5 parts of granulated blast furnace slag, 3-5 parts of secondary fly ash, 40-60 parts of quartz sand, 1-3 parts of high-elastic modulus fiber, 0.5-1 part of high-performance water reducing agent, 1-4 parts of natural inorganic nano material, and nano SiO20.5-2 parts of cellulose ether, 0.1-0.5 part of acrylic modified cement-based material polymer emulsion and 1-5 parts of acrylic modified cement-based material polymer emulsion.
2. The high ductility caulking reinforcement mastic according to claim 1, wherein: the activity index of the superfine silicon powder reaches s 105.
3. The high ductility caulking reinforcement mastic according to claim 1, wherein: the particle size of the quartz sand is 70-140 meshes.
4. The high ductility caulking reinforcement mastic according to claim 1, wherein: the nominal length of the high elastic modulus fiber is 6-12mm, and the tensile strength is more than 1200N/mm2。
5. The high ductility caulking reinforcement mastic according to claim 1, wherein: the water reducing rate of the high-performance water reducing agent is more than 30 percent.
6. A method for preparing the high ductility caulking strengthening mastic according to claim 1, comprising the steps of:
s1: weighing P.O42.5 cement, superfine silicon powder, granulated blast furnace slag, secondary fly ash, quartz sand, high-elastic modulus fiber, high-performance water reducing agent, natural inorganic nano material and nano SiO in proportion2Cellulose ether and acrylic acid modified waterMud-based material high-molecular emulsion for later use;
s2: weighing P.O42.5 cement, superfine silicon powder, granulated blast furnace slag, secondary fly ash, quartz sand, high-elastic modulus fiber, high-performance water reducing agent, natural inorganic nano material and nano SiO2Adding the cellulose ether and the cellulose ether into a stirrer, uniformly mixing, weighing and packaging to obtain a mixture;
s3: when the high-ductility caulking reinforcing daub is used, the acrylic acid modified cement-based material high-molecular emulsion is added into the mixture, and the mixture is uniformly stirred to prepare the high-ductility caulking reinforcing daub.
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TW201718987A (en) * | 2015-09-16 | 2017-06-01 | Ube Industries | Earthquake-resistant structure and design method thereof realizes inhibition of deviating actual loading force from a calculated value at simple and low cost |
CN109851293A (en) * | 2018-12-30 | 2019-06-07 | 华新新型建材(武汉)有限公司 | A kind of superfluidity, high tenacity cement-based material and its preparation and construction method |
WO2019153808A1 (en) * | 2018-02-08 | 2019-08-15 | 中国矿业大学 | Construction method for high-ductility masonry wall having reinforced joint mortar layer |
CN111138133A (en) * | 2019-12-27 | 2020-05-12 | 甘肃土木工程科学研究院有限公司 | Impact-resistant and wear-resistant composite material for hydraulic building |
CN111792892A (en) * | 2020-06-27 | 2020-10-20 | 同济大学 | Method for building or reinforcing masonry wall by using UHMWPE cement-based mortar |
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2021
- 2021-11-26 CN CN202111425510.XA patent/CN114163188A/en active Pending
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TW201718987A (en) * | 2015-09-16 | 2017-06-01 | Ube Industries | Earthquake-resistant structure and design method thereof realizes inhibition of deviating actual loading force from a calculated value at simple and low cost |
WO2019153808A1 (en) * | 2018-02-08 | 2019-08-15 | 中国矿业大学 | Construction method for high-ductility masonry wall having reinforced joint mortar layer |
CN109851293A (en) * | 2018-12-30 | 2019-06-07 | 华新新型建材(武汉)有限公司 | A kind of superfluidity, high tenacity cement-based material and its preparation and construction method |
CN111138133A (en) * | 2019-12-27 | 2020-05-12 | 甘肃土木工程科学研究院有限公司 | Impact-resistant and wear-resistant composite material for hydraulic building |
CN111792892A (en) * | 2020-06-27 | 2020-10-20 | 同济大学 | Method for building or reinforcing masonry wall by using UHMWPE cement-based mortar |
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Title |
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姚佳良: "《公路工程复合材料及其应用》", 31 August 2015 * |
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