CN109851293A - A kind of superfluidity, high tenacity cement-based material and its preparation and construction method - Google Patents
A kind of superfluidity, high tenacity cement-based material and its preparation and construction method Download PDFInfo
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Abstract
The present invention provides a kind of superfluidity, high tenacity cement-based material and its preparation and construction method, including following component and its mass fraction: 200 ~ 500 parts of cementitious material, 300 ~ 600 parts of mineral admixture, 300 ~ 500 parts of fine aggregate, 8 ~ 20 parts of fiber, 0.02 ~ 0.2 part of levelling component, 8 ~ 25 parts of diminishing component, 0.05 ~ 0.15 part of slow setting component, 0.01 ~ 0.1 part of bleed component, 10 ~ 30 parts of emulsion components, 60 ~ 100 parts of water.Phenomena such as cement-based material flow leveling of the invention is good, and the slump, divergence are big, and viscosity is low, and fiber is uniformly distributed wherein, no sedimentation, reunion, is easy to pump in the construction process, without vibration, shortens construction period, and reduce difficulty of construction;Simultaneously in anti-folding, bending strength, elasticity modulus, shock resistance etc. show excellent mechanical property, flexural number, fracture indices are significantly improved, ductile rupture or strain hardening feature are shown under ultimate elongation load situation, it can be used for labyrinth prefabricated components, such as special-shaped component, hollow out component, thin-wall member.
Description
Technical field
The present invention relates to nonmetallic materials manufacturing technology fields, and in particular to a kind of superfluidity for labyrinth, height
Toughness cement-based material and its preparation and construction method.
Background technique
In modern construction engineering material, the cement-based material construction material one of most wide as dosage maximum, application range,
In each field of civil engineering, (such as municipal administration, traffic, ocean and underground engineering) has been obtained extensively.Since ordinary cement sill is
It is big to will lead to principal tensile stress when its local tensile stress or shear stress are excessive for the fragile material that compression strength is high, tensile strength is low
In itself Tensile and Shear Strength, and then brittle fracture is generated, reduces the degree of safety and durability of its structure.And cement is improved at present
The mode overwhelming majority of sill toughness achieves preferable effect by modes such as reinforcement, fibers.
As building structure use environment is increasingly sophisticated, and towards bigger, the more high side of floor with more beautiful, area
To development.As some external wall cement float window, hollow out prefabricated components, prefabricated corner exterior wall, prefabricated air-conditioning plate, prefabricated overlapping building
Plate, such Components Shape is complicated, size ultra-wide, and assembling reinforcement is more difficult.Ordinary cement sill has been unable to satisfy such and has built
The requirement such as building structure, the construction quality of prefabricated components, endurance quality and construction speed, while the noise of construction can not be also eliminated,
It is difficult to meet the requirement such as environmental protection.Therefore, for complicated building structure or prefabricated components, the super of high fluidity must be used
Fluidised form cement-based material.
Currently, most high fluidity cement-based material toughness, tensile strength, bending strength are poor, often through fibre
Dimension is modified (such as steel fibre, carbon fiber, ceramic fibre, glass fibre, aramid fiber, polyester fiber, polyvinyl alcohol fibre to it
Dimension, polypropylene fibre, basalt fibre, wood fibre etc.), but after fibre modification cement-based material flowing, pumping etc. work
Aspect of performance sharp fall leads to its sinking as steel fibre density is overweight, and organic Filamentous or velvet-like fiber is soft due to itself
Phenomena such as soft generation reunites, floats, such phenomenon not only reduces the mechanical property and work of fiber superfluidity cement-based material
Make performance, and also limits application of the upper flow regime cement-based material in the building structure of complicated shape or prefabricated components.
Therefore, scientific researchers are dedicated to cement-based material will not only send out towards superfluidity, high-strength, high tenacity direction
Exhibition, will also develop or improve cement-based material to adapt to the building engineering structure of complicated requirements at the higher level.
Summary of the invention
The object of the present invention is to provide a kind of superfluidity, high tenacity cement-based material and its preparation and construction methods, use
The materials such as cementitious material, mineral admixture, product have flow leveling good, and the slump, divergence are big, and viscosity is low, work progress
In be easy to pump, the advantages that the excellent in mechanical performance such as flexural strength, bending strength, can be used for the prefabricated of labyrinth.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of superfluidity, high tenacity cement-based material, including following component and its mass fraction: cementitious material 200~500
Part, 300~600 parts of mineral admixture, 300~500 parts of fine aggregate, 8~20 parts of fiber, 0.02~0.2 part of levelling component, diminishing
8~25 parts of component, 0.05~0.15 part of slow setting component, 0.01~0.1 part of bleed component, 10~30 parts of emulsion components, water 60~
100 parts.
According to above scheme, including following component and its mass fraction: 265~385 parts of cementitious material, mineral admixture
350~450 parts, 370~430 parts of fine aggregate, 10~16 parts of fibre fractionation, 0.07~0.15 part of levelling component, diminishing component 12
~20 parts, 0.08~0.12 part of slow setting component, 0.08~0.1 part of bleed component, 15~25 parts of emulsion components, 70~90 parts of water.
According to above scheme, the cementitious material is the portland cement that strength grade is not less than 525, such as PO or PC.
According to above scheme, the mass content of vitreum is not less than 50%, including silicon ash, fine coal in the mineral admixture
Any one or more than one mixture in ash, blast-furnace cinder.
According to above scheme, SiO in the silicon ash2Mass content be not less than 90%, the credit rating of the flyash
It is II grades or more, the activity index of the blast-furnace cinder is not less than S95;The specific surface area of the silicon ash is greater than 15000m2/
Kg, the flyash, blast-furnace cinder specific surface area be all larger than 400m2/kg。
According to above scheme, the fine aggregate is quartz sand or natural river sand, and fineness modulus is between 1.6-2.2, clod
Content is 0, and clay content is less than 0.5wt%.
According to above scheme, the accumulation voidage of the fine aggregate is greater than 2500kg/m less than 30%, apparent density3、
Partial size is that 120-200 purpose accounts for 10-30wt%, 80-120 purpose and accounts for 30-60wt%, 40-80 purpose and accounts for 30-60wt%.
According to above scheme, the fiber is the compound of the organic fiber that volume ratio is 1:0.2~1:0.5 and steel fibre
Object, length are 3~8mm, and draw ratio is 20~30.
According to above scheme, the tensile strength of the organic fiber is not less than 1200MPa, is that sheet or block-like aramid fiber are fine
Dimension, carbon fiber or vinal;The steel fibre is that needle-shaped, tensile strength is not less than 2850MPa.
According to above scheme, the levelling group is divided into modified organosilicon alkanes, the modified component include polyether polyester,
The end groups such as alkyl.
According to above scheme, the diminishing group is divided into polycarboxylic acids of the solid content not less than 38%, water-reducing rate greater than 35% and subtracts
Aqua.
According to above scheme, the slow setting group is divided into hydroxycarboxylic acid and salt, carbohydrate or inorganic salts containing sugar
In any one or two kinds mixture.
According to above scheme, the bleed group is divided into rosin, fatty alcohols, alkylbenzene sulfonate, lignosulfonates
Or saponins.
According to above scheme, the emulsion components are that solid content is not less than the styrene-butadiene emulsion of 48wt%, pH less than 6, phenylpropyl alcohol
Lotion, acrylic emulsion or ethylene-vinyl acetate lotion.
A kind of superfluidity, high tenacity cement-based material preparation method, include the following steps:
1) fine aggregate is subjected to mixed sieve by square hole and circular hole standard screen, the fine aggregate after screening carries out grade and is assigned to fineness mould
Number is between 1.8~2.2;
2) levelling component, diminishing component, slow setting component, bleed component, emulsion components are mixed with water;
3) fine aggregate prepared cementitious material, mineral admixture, grade premixes 3min or more, be added in 5~30s water with
The mixture of levelling component, diminishing component, slow setting component, bleed component, emulsion components, mixing time are 5~15min, stirring
After put into fiber, feed time must not be lower than 30s, continue 3~5min of mix to get finished product.
A kind of superfluidity, high tenacity cement-based material construction method, include the following steps:
Labyrinth prefabricated components (such as anisotropic approach, engraved structure) mold is subjected to brushing release agent, assembling, wherein
Mold can be plastics, silica gel, wooden model or punching block, and die perfusion mouth is sealed, and reserve 3~10 exhaust outlets and 1~3 filling
Geat connects circle or square-shaped hopper that height is not less than 30cm at perfusing hole, and mold and horizontal line are at 20-45 °, by the super stream
State, high tenacity cement-based material are imported by funnel, when exhaust outlet emerges slurry, stop perfusion.
The beneficial effects of the present invention are:
1) cement-based material good fluidity of the invention, divergence are not less than 260mm, pour in 630mm or more, the slump
Process is without vibration, one-time-concreting molding;Clearance through is more excellent, and mixes in mixture newly, and organic fiber is not tied
Phenomena such as group, reunion, while steel fibre does not also sink;The high fluidity of material was poured the labyrinths such as hollow out, the opposite sex
There is greater advantage in journey, and its high tenacity assigns its high-durability, can be used for precast facade hanging plate, the prefabricated window decoration that floats,
Prefabricated corner exterior wall, prefabricated whole kitchen toilet, prefabricated air-conditioning plate, precast stair and other complicated prefabricated decoration elements etc.
Preparation;
2) complex effect of steel fibre of the invention and organic fiber, mutually learning from other's strong points to offset one's weaknesses makes Mechanical Properties of Cement-based Materials
Good, the steel fibre of high-elastic mould has higher-strength and ductility, makes to form dense mess between hydrated product, fine aggregate and fiber three
Network structure, substantially without structural weak area in system, can optimised coagulation soil mechanical property and endurance quality, it is especially tough in fracture
Property, the indexes such as bent toughness can increase substantially, the organic fiber of low-elasticity-modulus phase crack before and after early stage can also constrain it
It generates;
3) mine of polymer emulsion bubble and high-content vitreum of its miniemulsion particle and generation during mix
Polymer blends material and the multistage fine aggregate matched, not only play preferable " ball " lubricating action to the mobility of system, to inhibition fiber
Reunion, sedimentation phenomena such as there is biggish contribution, polymer emulsion forms high-ductility polymer film in the later period, and is interspersed in water
Change among product, form three-dimensional reticular structure, the ductility and toughness to cement-based material have improvement by a relatively large margin;
4) a certain amount of toner or mill base can be added according to different demands in cement-based material of the invention, Color tunable.
Specific embodiment
Technical solution of the present invention is illustrated below with reference to embodiment.
Embodiment 1:
The present invention provides a kind of superfluidity, high tenacity cement-based material, including following component and its mass fraction: 525 etc.
Grade 300 parts of portland cement, 200 parts of flyash, 170 parts of silicon ash, 400 parts of fine aggregate, 4 parts of steel fibre, 10 parts of carbon fiber, levelling
0.11 part of component, 15 parts of diminishing component, 0.1 part of slow setting component, 0.08 part of bleed component, 16 parts of emulsion components, 80 parts of water, system
Standby and construction method are as follows:
1) raw material prepare: raw material are stored in the environment of necessarily being in dry room temperature, are carried out to the die trial that needs pour
It cleans out dirt, go out dirt, and brushing mould oil, release agent or separating powder, time of repose are not less than 30min;With adhesive tape to mold
Perfusing hole is sealed, and reserves 3~10 exhaust outlets and 1~3 perfusing hole, and the side that height is not less than 30cm is met at perfusing hole
Shape or round funnel;
2) prepared by material: by the raw material of preparation point 4 investment horizontal mixers, first by cementitious material, fine aggregate, have
Machine fiber is put into mixer, and is not less than the dry-mixed 2min of 60r/min with revolving speed;By water and levelling component, diminishing component, slow setting group
Point, the mixtures of bleed component, emulsion components be added in two portions, be firstly added 70%~80% water and levelling component, diminishing
The mixture of component, slow setting component, bleed component, emulsion components stirs 3~5min not less than 80r/min with revolving speed, wait extend
Degree reaches 600mm or more;Fiber is added, 2min is stirred not less than 60r/min with revolving speed, continues mix 2min or more;Finally, being added
Remaining 20~30% water and the mixture of levelling component, diminishing component, slow setting component, bleed component, emulsion components, to turn
Speed continues 3~5min of stirring not less than 80r/min, can go out machine;
3) be perfused: by manually pour or it is mechanical pump, will newly mix cement-based material and import funnel and be irrigated, be perfused
It can terminate in journey until the material occurs in riser, be not less than 90% in relative humidity, maintenance 1 under 20 ± 1 DEG C of environment of temperature~
3d。
Embodiment 2:
The present invention provides a kind of superfluidity, high tenacity cement-based material, including following component and its mass fraction: 425 etc.
Grade 330 parts of portland cement, 100 parts of blast-furnace cinder, 250 parts of silicon ash, 410 parts of fine aggregate, 3 parts of steel fibre, vinal
12 parts, 0.1 part of levelling component, 18 parts of diminishing component, 0.08 part of slow setting component, 0.1 part of bleed component, 19 parts of emulsion components, water
77 parts, preparation and construction method are the same as embodiment 1.
Embodiment 3:
The present invention provides a kind of superfluidity, high tenacity cement-based material, including following component and its mass fraction: 425 etc.
350 parts of portland cement of grade, 120 parts of flyash, 230 parts of silicon ash, 420 parts of fine aggregate, 5 parts of steel fibre, 11 parts of aramid fiber, stream
0.13 part of flat component, 20 parts of diminishing component, 0.12 part of slow setting component, 0.1 part of bleed component, 23 parts of emulsion components, 75 parts of water,
Preparation and construction method are the same as embodiment 1.
Embodiment 4:
The present invention provides a kind of superfluidity, high tenacity cement-based material, including following component and its mass fraction: 525 etc.
Grade 270 parts of portland cement, 115 parts of flyash, 300 parts of silicon ash, 390 parts of fine aggregate, 4 parts of steel fibre, 12 parts of carbon fiber, levelling
0.15 part of component, 18 parts of diminishing component, 0.09 part of slow setting component, 0.09 part of bleed component, 21 parts of emulsion components, 73 parts of water,
Preparation and construction method are the same as embodiment 1.
Above-mentioned 4 embodiment test methods are by professional standard GB/T 50080-2002 " normal concrete mix physical performance examination
Proved recipe method " carry out working performance test, according to GB/T 50081-2002 " standard for test methods of mechanical properties of ordinary concrete ",
GB/T15231-2008 " glass fiber reinforced cement method for testing performance " tests mechanical property, and the result is shown in shown in following table:
From made above, construction and analysis data it is found that cement-based material flow leveling of the invention is good, the slump, expansion
Phenomena such as latitude of emulsion is big, and viscosity is low, and fiber is uniformly distributed wherein, no sedimentation, reunion, is easy to pump in the construction process, nothing
It needs to shake, shortens construction period, and reduce difficulty of construction;Simultaneously in anti-folding, bending strength, the side such as elasticity modulus, shock resistance
Face shows excellent mechanical property, and flexural number, fracture indices are significantly improved, and shows under ultimate elongation load situation
Ductile rupture or strain hardening feature out, can be used for labyrinth prefabricated components, such as special-shaped component, hollow out component, thin-wall member
Deng.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although above-described embodiment to the present invention into
Gone detailed description, the related technical personnel of this field it is understood that can modify to the present invention or replace on an equal basis, but
Any modification and part replacement for not departing from spirit and scope of the invention should all be covered in scope of the presently claimed invention.
Claims (16)
1. a kind of superfluidity, high tenacity cement-based material, which is characterized in that including following component and its mass fraction: gelling material
Expect 200 ~ 500 parts, 300 ~ 600 parts of mineral admixture, 300 ~ 500 parts of fine aggregate, 8 ~ 20 parts of fiber, levelling component 0.02 ~ 0.2
Part, 8 ~ 25 parts of diminishing component, 0.05 ~ 0.15 part of slow setting component, 0.01 ~ 0.1 part of bleed component, 10 ~ 30 parts of emulsion components, water 60
~ 100 parts.
2. superfluidity according to claim 1, high tenacity cement-based material, which is characterized in that including following component and its
Mass fraction: 265 ~ 385 parts of cementitious material, 350 ~ 450 parts of mineral admixture, 370 ~ 430 parts of fine aggregate, fibre fractionation 10 ~ 16
Part, 0.07 ~ 0.15 part of levelling component, 12 ~ 20 parts of diminishing component, 0.08 ~ 0.12 part of slow setting component, bleed component 0.08 ~ 0.1
Part, 15 ~ 25 parts of emulsion components, 70 ~ 90 parts of water.
3. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the cementitious material is
Strength grade is not less than 525 portland cement.
4. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the mineral admixture
The mass content of middle vitreum is not less than 50%, including any one or more than one in silicon ash, flyash, blast-furnace cinder
Mixture.
5. superfluidity according to claim 4, high tenacity cement-based material, which is characterized in that SiO in the silicon ash2Matter
It measures content and is not less than 90%, the credit rating of the flyash is II grades or more, and the activity index of the blast-furnace cinder is not less than
S95;The specific surface area of the silicon ash is greater than 15000m2/ kg, the flyash, blast-furnace cinder specific surface area be all larger than 400m2/
kg。
6. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the fine aggregate is stone
Sand or natural river sand, fineness modulus is between 1.6-2.2, and clod content is 0, and clay content is less than 0.5wt%.
7. superfluidity according to claim 6, high tenacity cement-based material, which is characterized in that the accumulation of the fine aggregate
Voidage is greater than 2500kg/m less than 30%, apparent density3, partial size be 120-200 purpose account for 10-30wt%, 80-120 purpose
Account for 30-60wt %, 40-80 purpose accounts for 30-60wt %.
8. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the fiber is volume
Than the compound of organic fiber and steel fibre for 1:0.2 ~ 1:0.5, length is 3 ~ 8mm, and draw ratio is 20 ~ 30.
9. superfluidity according to claim 8, high tenacity cement-based material, which is characterized in that the organic fiber resists
Tensile strength is not less than 1200MPa, is sheet or block-like aramid fiber, carbon fiber or vinal;The steel fibre is
Needle-shaped, tensile strength is not less than 2850MPa.
10. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the levelling component
For modified organosilicon alkanes, the modified component includes polyether polyester, alkyl.
11. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the diminishing component
Polycarboxylate water-reducer for solid content not less than 38%, water-reducing rate greater than 35%.
12. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the slow setting component
For the mixture of any one or two kinds in hydroxycarboxylic acid and salt, carbohydrate or inorganic salts containing sugar.
13. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the bleed component
For rosin, fatty alcohols, alkylbenzene sulfonate, lignosulfonates or saponins.
14. superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that the emulsion components
It is solid content not less than the styrene-butadiene emulsion of 48wt%, pH less than 6, styrene-acrylic emulsion, acrylic emulsion or ethylene-vinyl acetate cream
Liquid.
15. the preparation method of superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that packet
Include following steps:
1) fine aggregate is subjected to mixed sieve by square hole and circular hole standard screen, the fine aggregate progress grade after screening is assigned to fineness modulus and exists
Between 1.8 ~ 2.2;
2) levelling component, diminishing component, slow setting component, bleed component, emulsion components are mixed with water;
3) fine aggregate for preparing cementitious material, mineral admixture, grade premixes 3min or more, and water and levelling are added in 5 ~ 30s
The mixture of component, diminishing component, slow setting component, bleed component, emulsion components, mixing time is 5 ~ 15min, after stirring
Fiber is put into, feed time must not be lower than 30s, continue 3 ~ 5min of mix to get finished product.
16. the construction method of superfluidity according to claim 1 or 2, high tenacity cement-based material, which is characterized in that packet
Include following steps:
Labyrinth prefabricated components mold is subjected to brushing release agent, assembling, die perfusion mouth is sealed, and reserves 3 ~ 10
Exhaust outlet and 1 ~ 3 perfusing hole, connect circle or square-shaped hopper that height is not less than 30cm at perfusing hole, mold and horizontal line at
20-45 °, the superfluidity, high tenacity cement-based material are imported by funnel, when exhaust outlet emerges slurry, stop perfusion.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112372827A (en) * | 2020-11-03 | 2021-02-19 | 台州普立德建筑科技有限公司 | Manufacturing method of light air conditioner board |
CN114163188A (en) * | 2021-11-26 | 2022-03-11 | 甘肃中研同创材料科技有限责任公司 | High-ductility caulking reinforcing daub and preparation method thereof |
CN115108774A (en) * | 2022-05-24 | 2022-09-27 | 中德新亚建筑材料有限公司 | Acrylic emulsion concrete and preparation method thereof |
CN115536339A (en) * | 2022-10-24 | 2022-12-30 | 深圳市恒星建材有限公司 | High-strength high-ductility concrete and preparation method thereof |
CN116655331A (en) * | 2023-06-19 | 2023-08-29 | 南京天亚新材料有限公司 | Hollow slab beam shear strengthening super-toughness intracavity filling material and application method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103086662A (en) * | 2011-11-02 | 2013-05-08 | 北京建筑材料科学研究总院有限公司 | Method for preparing reactive powder concrete for construction member by utilizing coal gangue |
CN105016671A (en) * | 2014-04-29 | 2015-11-04 | 黄贺明 | Superfluid self-compacting concrete and preparing method thereof |
CN108484053A (en) * | 2018-05-21 | 2018-09-04 | 成都建工预筑科技有限公司 | A kind of resistance to compression steel fiber reinforced concrete |
CN108793864A (en) * | 2018-05-21 | 2018-11-13 | 成都建工预筑科技有限公司 | Steel fiber reinforced concrete for manufacturing assembly concrete component |
-
2018
- 2018-12-30 CN CN201811645237.XA patent/CN109851293A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103086662A (en) * | 2011-11-02 | 2013-05-08 | 北京建筑材料科学研究总院有限公司 | Method for preparing reactive powder concrete for construction member by utilizing coal gangue |
CN105016671A (en) * | 2014-04-29 | 2015-11-04 | 黄贺明 | Superfluid self-compacting concrete and preparing method thereof |
CN108484053A (en) * | 2018-05-21 | 2018-09-04 | 成都建工预筑科技有限公司 | A kind of resistance to compression steel fiber reinforced concrete |
CN108793864A (en) * | 2018-05-21 | 2018-11-13 | 成都建工预筑科技有限公司 | Steel fiber reinforced concrete for manufacturing assembly concrete component |
Non-Patent Citations (5)
Title |
---|
何廷树 等: "《装配式混凝土建筑概论》", 31 August 2018, 中国建材工业出版社 * |
王祉翔: "钢纤维聚合物改性水泥混凝土特殊铺装材料性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
邓德华: "《土木工程材料》", 30 September 2010, 中国铁道出版社 * |
黄春霞 等: "单掺与混掺纤维活性粉末混凝土抗拉强度试验", 《甘肃科学学报》 * |
龙艾: "《绿色环保型建筑、装饰工程规划·设计·施工实用手册》", 31 May 2001, 中国工人出版社 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112372827A (en) * | 2020-11-03 | 2021-02-19 | 台州普立德建筑科技有限公司 | Manufacturing method of light air conditioner board |
CN112372827B (en) * | 2020-11-03 | 2021-12-17 | 台州普立德建筑科技有限公司 | Manufacturing method of light air conditioner board |
CN114163188A (en) * | 2021-11-26 | 2022-03-11 | 甘肃中研同创材料科技有限责任公司 | High-ductility caulking reinforcing daub and preparation method thereof |
CN115108774A (en) * | 2022-05-24 | 2022-09-27 | 中德新亚建筑材料有限公司 | Acrylic emulsion concrete and preparation method thereof |
CN115536339A (en) * | 2022-10-24 | 2022-12-30 | 深圳市恒星建材有限公司 | High-strength high-ductility concrete and preparation method thereof |
CN116655331A (en) * | 2023-06-19 | 2023-08-29 | 南京天亚新材料有限公司 | Hollow slab beam shear strengthening super-toughness intracavity filling material and application method thereof |
CN116655331B (en) * | 2023-06-19 | 2023-12-19 | 南京天亚新材料有限公司 | Hollow slab beam shear strengthening super-toughness intracavity filling material and application method thereof |
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