CN107686314A - A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material - Google Patents
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material Download PDFInfo
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- CN107686314A CN107686314A CN201710597927.1A CN201710597927A CN107686314A CN 107686314 A CN107686314 A CN 107686314A CN 201710597927 A CN201710597927 A CN 201710597927A CN 107686314 A CN107686314 A CN 107686314A
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- agent
- assembled architecture
- cement
- grouting material
- steel bar
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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
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
Abstract
The invention discloses a kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, its raw materials by weight includes：Cement 45 60%, fine aggregate 30 45%, 1 2% part of reinforcing agent, 0.05 0.1% part of defoamer, ardealite composite expanding agent 7 10%, polycarboxylate water-reducer 0.5 0.8%, retarder 0.05 0.09%, early strength agent 0.08 0.2%；Wherein, ardealite composite expanding agent is the mixture of modified ardealite, phosphorous slag micropowder and wollastonite.The present invention is used using the fine sand and quartz sand of continuous grading as fine aggregate and cement collocation, both rational proportions of regulation, add ardealite composite expanding agent, it is so that very closely knit after cement slurry hardening, the intensity of grouting material increases substantially, reinforcing agent, retarder, polycarboxylate water-reducer, early strength agent is coordinated to use, make mortar that there is good water-retaining property, plasticity and pliability, tensile bond strength and mortar are significantly improved with masonry entity tensile bond strength, combination property is good, meets the requirement of assembled architecture.
Description
Technical field
The present invention relates to building grouting material technical field, more particularly to a kind of grouting of assembled architecture reinforcing steel bar connecting sleeve tube
Material.
Background technology
With building energy consumption, highlighting for carbon emission problem is built, the concrete structure wet construction cycle is long, it is close to work
Collect, the problems such as extensive, noise of constructing disturbs residents, dust emission, people, which start to pay close attention to assembly concrete again, to tie than more prominent
Application in structure, and carried out portion of techniques research and pilot application, such as Vanke, the limited public affairs of Nantong architectural engineering over contract
Department, Shanghai Ruian group, Longxin Construction Group Co., Ltd etc. carried out in its project developed certain scale demonstration and
Pilot application study.Fabricated construction abbreviation PC structures) it is the structure shape given priority in current China's Process of Housing Industrialization
One of formula, there is the characteristics of high efficiency, low power consuming and environmental protection etc. meet current economic social development.
Fabricated construction will reach equally cast-in-place fabricated construction, it is necessary to take measures to ensure assembled integral reinforced concrete
In soil structure, the bearing capacity of node or seam between prefabricated components or between prefabricated components and site concrete, rigidity and prolong
Property be not less than monolithic reinforced concrete structure, make the overall performance of assembled integral reinforced concrete structure and cast in place reinforced bar coagulation
Soil structure is essentially identical.The core of structural reliability is to ensure the quality of sleeve inner connection grouting material.In recent years, the country one
A little scholars have carried out correlative study, high Anqing etc. for sleeve grouting material performance and its interconnection technique, and to have developed a kind of superelevation strong
Splice grouting material, experiment measure 28d compression strength up to 110MPa and have good fluidity and expansion rate, but should
Product can not meet the technical requirements of existing bar connecting grouting material.Therefore, development of new assembled architecture bar connecting
Development of the sleeve grouting material for fabricated construction industry has great importance.
The content of the invention
The present invention proposes a kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, using continuous grading fine aggregate and
Cement collocation uses, and adds ardealite composite expanding agent, reinforcing agent, retarder, polycarboxylate water-reducer and early strength agent, has mortar
There are good water-retaining property, plasticity and pliability, tensile bond strength, mortar resistance to compression and rupture strength are significantly improved, met
The requirement of assembled architecture.
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material proposed by the present invention, its raw materials by weight bag
Include：Cement 45-60%, fine aggregate 30-45%, reinforcing agent 1-2% parts, defoamer 0.05-0.1% parts, ardealite are composite expanded
Agent 7-10%, polycarboxylate water-reducer 0.5-0.8%, retarder 0.05-0.09%, early strength agent 0.08-0.2%；
Wherein, ardealite composite expanding agent is the mixture of modified ardealite, phosphorous slag micropowder and wollastonite.
In a particular embodiment, the percentage by weight of cement can be 48%, 50%, 55%, 58%；The weight of fine aggregate
Percentage can be 33%, 35%, 38%, 40%, 43%；The percentage by weight of reinforcing agent can be 1.2%, 1.5%,
1.8%；The percentage by weight of defoamer can be 0.06%, 0.07%, 0.08%, 0.09%；Ardealite composite expanding agent
Percentage by weight can be 7.5%, 8%, 8.5%, 9%；The percentage by weight of polycarboxylate water-reducer can be 0.6%,
0.7%；The percentage by weight of retarder can be 0.06%, 0.07%, 0.08%；The percentage by weight of early strength agent can be
0.1%th, 0.12%, 0.15%, 0.18%.
Preferably, cement is the mixture of Portland cement and sulphate aluminium cement.
Preferably, Portland cement accounts for the 15-30% of cement weight, and sulphate aluminium cement accounts for the 70- of cement weight
85%.
Preferably, ardealite composite expanding agent, the content of modified ardealite is 60-80wt%, and the content of phosphorous slag micropowder is
10-30wt%, the content of wollastonite is 5-15wt%.
Preferably, the preparation process of modified ardealite includes：20-30 part ardealites are weighed by weight, add 5-10 parts
Slag, 1-2 parts alum are well mixed to obtain mixed material, sprays deionized water quick stirring simultaneously to mixed material, to be mixed
Sealed maintenance 2-3 days after material whole cohesion granulating, drying at room temperature obtains modified ardealite；Wherein, mixed material is gone with required
The mass volume ratio g of ionized water：Ml is 3-5：1.
Preferably, fine aggregate is the mixture of common fine sand and quartz sand.
Preferably, fine aggregate includes：The 10-20% common fine sand of 200-300 mesh, 20-35% 300-400 mesh quartz
Sand, the common fine sands of 40-50% 400-600,10-20% 600-800 quartz sands.
Preferably, fine aggregate includes：The 15% common fine sand of 200-300 mesh, 25% 300-400 mesh quartz sand, 45%
The common fine sands of 400-600,15% 600-800 quartz sands.
Preferably, reinforcing agent is one in methylhydroxypropylcellulose ether, hydroxyethyl ether cellulose, TYLOSE 30000
Kind or two or more mixtures.
Preferably, polycarboxylate water-reducer is lipid polycarboxylate water-reducer, ethers polycarboxylic acid water reducing agent, amine polycarboxylic acids diminishing
One or both of agent thing mixed above.
Preferably, retarder is tartaric acid, sodium gluconate, sodium tetraborate mixture.
Preferably, tartaric acid, sodium gluconate, the weight ratio of sodium tetraborate are 1.2-1.8：2-2.5：2.5-3.
Preferably, early strength agent is one or both of sodium sulphate, triethanolamine and calcium formate thing mixed above.
Preferably, early strength agent is sodium sulphate.
The present invention is used using the fine sand and quartz sand of continuous grading as fine aggregate and cement collocation, adjusts both rationally
Proportioning, add ardealite composite expanding agent, cement product Ca (OH)2With the active Al in its component containing aluminium2O3Generated with reaction
Drated calcium aluminate, drated calcium aluminate and ardealite effect generation expanded constituents aquation entringite, ettringite is in colloidal solid
Between with radial growth, as one big net struts concrete product, so as to reach expansion effect, after phosphogypsum modification, with phosphorus
Slag micro mist and wollastonite are used cooperatively, CaHPO4·2H20 and CaSO4·2H20 crystal formation is consistent, in CaSO4·2H20 crystal is in life
It is mingled with a small amount of CaHPO in growth process4, a small amount of HP04 2-It instead of S04 2-Position, form impurity defect, improve
The deferred action of composite expanding agent；Because aquation is slow, ettringite development is very good, is interleaved with each other, overlaps very well,
And ettringite is grown in the cell that C-Si-H gels are formed so that very closely knit after cement slurry hardening, grouting
The intensity of material increases substantially, and coordinates the cellulose ether in reinforcing agent, mortar is had good water-retaining property, plasticity and flexible
Property, tensile bond strength and mortar are significantly improved with masonry entity tensile bond strength；Retarder, polycarboxylate water-reducer
It is used cooperatively with early strength agent so that the cohesion speed and slurry strength balance of mortar, promote clinker component aquation, avoid bleeding from showing
As further enhancing mortar resistance to compression and rupture strength, mechanical property significantly improves, and the use for meeting assembled architecture will
Ask.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, its raw materials by weight include：It is cement 45%, thin
Aggregate 45%, 1.9% part of reinforcing agent, 0.05% part of defoamer, ardealite composite expanding agent 7%, polycarboxylate water-reducer 0.8%,
Retarder 0.05%, early strength agent 0.2%；
Wherein, ardealite composite expanding agent is the mixture of modified ardealite, phosphorous slag micropowder and wollastonite.
Embodiment 2
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, its raw materials by weight include：It is cement 60%, thin
It is aggregate 30%, 2% part of reinforcing agent, 0.1% part of defoamer, ardealite composite expanding agent 7%, polycarboxylate water-reducer 0.75%, slow
Solidifying agent 0.07%, early strength agent 0.08%；
Wherein, ardealite composite expanding agent is the mixture of modified ardealite, phosphorous slag micropowder and wollastonite；Cement is common
The mixture of portland cement and sulphate aluminium cement.
Embodiment 3
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, its raw materials by weight include：It is cement 50%, thin
Aggregate 38.2%, 1% part of reinforcing agent, 0.1% part of defoamer, ardealite composite expanding agent 10%, polycarboxylate water-reducer 0.5%,
Retarder 0.09%, early strength agent 0.11%；
Wherein, ardealite composite expanding agent be modified ardealite, phosphorous slag micropowder and wollastonite mixture, modified ardealite
Content be 60wt%, the content of phosphorous slag micropowder is 30wt%, and the content of wollastonite is 10wt%；Cement is normal silicate water
The mixture of mud and sulphate aluminium cement, Portland cement account for the 30% of cement weight, and sulphate aluminium cement accounts for cement weight
The 70% of amount；Fine aggregate is the mixture of common fine sand and quartz sand；
The preparation process of modified ardealite includes：20 parts of ardealites are weighed by weight, add 10 parts of slags, 1 part of alum
Well mixed to obtain mixed material, spraying deionized water to mixed material, quick stirring, material to be mixed are all condensed into simultaneously
Sealed maintenance 2 days after grain, drying at room temperature obtains modified ardealite；Wherein, mixed material and the quality volume of required deionized water
Compare g：Ml is 3：1.
Embodiment 5
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, its raw materials by weight include：It is cement 50%, thin
Aggregate 38%, 1.09% part of reinforcing agent, 0.1% part of defoamer, ardealite composite expanding agent 10%, polycarboxylate water-reducer 0.7%,
Retarder 0.05%, early strength agent 0.06%；
Wherein, ardealite composite expanding agent be modified ardealite, phosphorous slag micropowder and wollastonite mixture, modified ardealite
Content be 80wt%, the content of phosphorous slag micropowder is 10wt%, and the content of wollastonite is 10wt%；Cement is normal silicate water
The mixture of mud and sulphate aluminium cement, Portland cement account for the 15% of cement weight, and sulphate aluminium cement accounts for cement weight
The 85% of amount；Fine aggregate includes：The 20% common fine sand of 200-300 mesh, 20% 300-400 mesh quartz sand, 50% 400-
600 common fine sands, 10% 600-800 quartz sands；Retarder is tartaric acid, sodium gluconate, sodium tetraborate mixture；It is early strong
Agent is calcium formate；
The preparation process of modified ardealite includes：30 parts of ardealites are weighed by weight, add 5 parts of slags, 2 parts of alum mix
Conjunction uniformly obtains mixed material, and to mixed material sprinkling deionized water, quick stirring, material to be mixed all condense granulating simultaneously
Sealed maintenance 3 days afterwards, drying at room temperature obtains modified ardealite；Wherein, mixed material and the mass volume ratio of required deionized water
g：Ml is 5：1.
Embodiment 6
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, its raw materials by weight include：It is cement 50%, thin
Aggregate 37.5%, 1.5% part of reinforcing agent, 0.1% part of defoamer, ardealite composite expanding agent 10%, polycarboxylate water-reducer
0.65%th, retarder 0.05%, early strength agent 0.2%；
Wherein, ardealite composite expanding agent be modified ardealite, phosphorous slag micropowder and wollastonite mixture, modified ardealite
Content be 75wt%, the content of phosphorous slag micropowder is 10wt%, and the content of wollastonite is 15wt%；Cement is normal silicate water
The mixture of mud and sulphate aluminium cement, Portland cement account for the 10% of cement weight, and sulphate aluminium cement accounts for cement weight
The 80% of amount；Fine aggregate includes：The 10% common fine sand of 200-300 mesh, 30% 300-400 mesh quartz sand, 40% 400-
600 common fine sands, 20% 600-800 quartz sands；Reinforcing agent is methylhydroxypropylcellulose ether；Defoamer defoams for organosilicon
Agent；Polycarboxylate water-reducer is lipid polycarboxylate water-reducer；Retarder is tartaric acid, sodium gluconate, sodium tetraborate mixture, early
Strong agent is sodium sulphate, and tartaric acid, sodium gluconate, the weight ratio of sodium tetraborate are 1.8：2：3；Early strength agent is sodium sulphate；
The preparation process of modified ardealite includes：25 parts of ardealites are weighed by weight, add 8 parts of slags, 1.5 parts of alum
Well mixed to obtain mixed material, spraying deionized water to mixed material, quick stirring, material to be mixed are all condensed into simultaneously
Sealed maintenance 3 days after grain, drying at room temperature obtains modified ardealite；Wherein, mixed material and the quality volume of required deionized water
Compare g：Ml is 4：1.
Embodiment 7
A kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, its raw materials by weight include：It is cement 50%, thin
Aggregate 37.5%, 1.5% part of reinforcing agent, 0.1% part of defoamer, ardealite composite expanding agent 10%, polycarboxylate water-reducer
0.65%th, retarder 0.05%, early strength agent 0.2%；
Wherein, ardealite composite expanding agent be modified ardealite, phosphorous slag micropowder and wollastonite mixture, modified ardealite
Content be 75wt%, the content of phosphorous slag micropowder is 10wt%, and the content of wollastonite is 15wt%；Cement is normal silicate water
The mixture of mud and sulphate aluminium cement, Portland cement account for the 10% of cement weight, and sulphate aluminium cement accounts for cement weight
The 80% of amount；Fine aggregate includes：The 15% common fine sand of 200-300 mesh, 25% 300-400 mesh quartz sand, 45% 400-
600 common fine sands, 15% 600-800 quartz sands；Reinforcing agent is methylhydroxypropylcellulose ether, hydroxyethyl ether cellulose；Disappear
Infusion is organic silicon defoamer；Polycarboxylate water-reducer is ethers polycarboxylic acid water reducing agent；Retarder be tartaric acid, sodium gluconate,
Sodium tetraborate mixture, tartaric acid, sodium gluconate, the weight ratio of sodium tetraborate are 1.2：2.5：2.5；Early strength agent is three ethanol
Amine；
The preparation process of modified ardealite includes：25 parts of ardealites are weighed by weight, add 8 parts of slags, 1.5 parts of alum
Well mixed to obtain mixed material, spraying deionized water to mixed material, quick stirring, material to be mixed are all condensed into simultaneously
Sealed maintenance 3 days after grain, drying at room temperature obtains modified ardealite；Wherein, mixed material and the quality volume of required deionized water
Compare g：Ml is 4：1.
Reference examples
A kind of grouting material, its raw materials by weight include：Cement 50%, fine aggregate 47.5%, reinforcing agent 1.5%
Part, 0.1% part of defoamer, polycarboxylate water-reducer 0.65%, retarder 0.05%, early strength agent 0.2%；
Wherein, cement is the mixture of Portland cement and sulphate aluminium cement, and Portland cement accounts for cement
The 10% of weight, sulphate aluminium cement account for the 80% of cement weight；Fine aggregate includes：The 15% common fine sand of 200-300 mesh,
25% 300-400 mesh quartz sand, the common fine sands of 45% 400-600,15% 600-800 quartz sands；Reinforcing agent is methyl
Hydroxypropylcelluloether ether, hydroxyethyl ether cellulose；Defoamer is organic silicon defoamer；Polycarboxylate water-reducer is that ethers polycarboxylic acids subtracts
Aqua；Retarder is tartaric acid, sodium gluconate, sodium tetraborate mixture, tartaric acid, sodium gluconate, the weight of sodium tetraborate
Amount is than being 1.2：2.5：2.5；Early strength agent is triethanolamine；
Assembled architecture reinforcing steel bar connecting sleeve tube grouting material made from embodiment 5-7 is entered with grouting material made from reference examples
Row performance test, test result are as follows：
From test data as can be seen that the present invention, which adds ardealite, meets swelling agent, the mechanics for improving grouting material greatly is strong
Degree, tensile strength 1d are not less than 54Mpa, and 3d is not less than 69Mpa, and 28d is not less than 100MPa, and mobile performance is good, and bleeding rate is
0, and to the corrosion-free effect of reinforcing bar, meet actual operation requirements.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of assembled architecture reinforcing steel bar connecting sleeve tube grouting material, it is characterised in that its raw materials by weight includes：Water
Mud 45-60%, fine aggregate 30-45%, reinforcing agent 1-2% parts, defoamer 0.05-0.1% parts, ardealite composite expanding agent 7-
10%th, polycarboxylate water-reducer 0.5-0.8%, retarder 0.05-0.09%, early strength agent 0.08-0.2%；
Wherein, ardealite composite expanding agent is the mixture of modified ardealite, phosphorous slag micropowder and wollastonite.
2. assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim 1, it is characterised in that cement is common
The mixture of portland cement and sulphate aluminium cement；Preferably, Portland cement accounts for the 15-30% of cement weight, sulphur
Aluminate cement accounts for the 70-85% of cement weight.
3. assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim 1, it is characterised in that ardealite is compound
Swelling agent, the content of modified ardealite is 60-80wt%, and the content of phosphorous slag micropowder is 10-30wt%, and the content of wollastonite is 5-
15wt%.
4. the assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim any one of 1-3, it is characterised in that change
The preparation process of property ardealite includes：20-30 part ardealites are weighed by weight, add 5-10 parts slag, the mixing of 1-2 parts alum
Mixed material uniformly is obtained, sprays deionized water quick stirring simultaneously to mixed material, material to be mixed is all after cohesion granulating
Sealed maintenance 2-3 days, drying at room temperature obtains modified ardealite；Wherein, mixed material and the mass volume ratio of required deionized water
g：Ml is 3-5：1.
5. the assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim any one of 1-3, it is characterised in that thin
Aggregate is the mixture of common fine sand and quartz sand；Preferably, fine aggregate includes：The 10-20% common fine sand of 200-300 mesh,
20-35% 300-400 mesh quartz sand, the common fine sands of 40-50% 400-600,10-20% 600-800 quartz sands；It is preferred that
Ground, fine aggregate include：The 15% common fine sand of 200-300 mesh, 25% 300-400 mesh quartz sand, 45% 400-600 are common
Fine sand, 15% 600-800 quartz sands.
6. the assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim any one of 1-3, it is characterised in that increase
Strong agent is that one or both of methylhydroxypropylcellulose ether, hydroxyethyl ether cellulose, TYLOSE 30000 are mixed above
Thing.
7. the assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim any one of 1-3, it is characterised in that disappear
Infusion is organic silicon defoamer.
8. the assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim any one of 1-3, it is characterised in that poly-
Carboxylic acid water reducer is one or both of lipid polycarboxylate water-reducer, ethers polycarboxylic acid water reducing agent, amine polycarboxylate water-reducer
Thing mixed above.
9. the assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim any one of 1-3, it is characterised in that slow
Solidifying agent is tartaric acid, sodium gluconate, sodium tetraborate mixture；Preferably, the weight of tartaric acid, sodium gluconate, sodium tetraborate
It is 1.2-1.8 to measure ratio：2-2.5：2.5-3.
10. the assembled architecture reinforcing steel bar connecting sleeve tube grouting material according to claim any one of 1-3, it is characterised in that
Early strength agent is one or both of sodium sulphate, triethanolamine and calcium formate thing mixed above；Preferably, early strength agent is sulfuric acid
Sodium.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108558330A (en) * | 2018-05-22 | 2018-09-21 | 武汉源锦建材科技有限公司 | A kind of tunnel-liner vault band mould grouting microdilatancy grout material |
| CN108824700A (en) * | 2018-06-26 | 2018-11-16 | 江苏新龙兴建设集团有限公司 | Equivalent cast-in-place assembled steel reinforced concrete beam construction method |
| CN108947448A (en) * | 2018-07-20 | 2018-12-07 | 中国建筑设计研究院有限公司 | A kind of flexible grout material and preparation method thereof for assembled stair |
| CN111662065A (en) * | 2020-07-01 | 2020-09-15 | 重庆华力建设有限公司 | High-performance grouting material for fabricated building and preparation method thereof |
| CN113585554A (en) * | 2021-07-28 | 2021-11-02 | 廉江市第三建筑工程有限公司 | Low-temperature grouting construction method for assembled shear wall sleeve |
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| CN104944869A (en) * | 2014-03-31 | 2015-09-30 | 天津天筑建材有限公司 | Grouting material for connecting prefabricated assembled concrete component sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090165678A1 (en) * | 2007-12-27 | 2009-07-02 | Beijing Hengyecun S&T Co., Ltd | Heat insulation board made from fly ashes |
| CN104944869A (en) * | 2014-03-31 | 2015-09-30 | 天津天筑建材有限公司 | Grouting material for connecting prefabricated assembled concrete component sleeve |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558330A (en) * | 2018-05-22 | 2018-09-21 | 武汉源锦建材科技有限公司 | A kind of tunnel-liner vault band mould grouting microdilatancy grout material |
| CN108558330B (en) * | 2018-05-22 | 2021-01-08 | 武汉源锦建材科技有限公司 | Micro-expansion grouting material for grouting with mold at arch crown of tunnel lining |
| CN108824700A (en) * | 2018-06-26 | 2018-11-16 | 江苏新龙兴建设集团有限公司 | Equivalent cast-in-place assembled steel reinforced concrete beam construction method |
| CN108824700B (en) * | 2018-06-26 | 2020-10-16 | 江苏新龙兴建设集团有限公司 | Construction method of equal cast-in-place assembled steel-concrete beam |
| CN108947448A (en) * | 2018-07-20 | 2018-12-07 | 中国建筑设计研究院有限公司 | A kind of flexible grout material and preparation method thereof for assembled stair |
| CN108947448B (en) * | 2018-07-20 | 2021-10-15 | 中国建筑设计研究院有限公司 | Flexible hole filling material for fabricated stairway and preparation method thereof |
| CN111662065A (en) * | 2020-07-01 | 2020-09-15 | 重庆华力建设有限公司 | High-performance grouting material for fabricated building and preparation method thereof |
| CN113585554A (en) * | 2021-07-28 | 2021-11-02 | 廉江市第三建筑工程有限公司 | Low-temperature grouting construction method for assembled shear wall sleeve |
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Application publication date: 20180213 |