CN106186969A - A kind of high flowability ultra early-strength grouting material - Google Patents
A kind of high flowability ultra early-strength grouting material Download PDFInfo
- Publication number
- CN106186969A CN106186969A CN201610508465.7A CN201610508465A CN106186969A CN 106186969 A CN106186969 A CN 106186969A CN 201610508465 A CN201610508465 A CN 201610508465A CN 106186969 A CN106186969 A CN 106186969A
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- CN
- China
- Prior art keywords
- parts
- grouting material
- high flowability
- strength grouting
- ultra early
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
Abstract
The invention discloses a kind of high flowability ultra early-strength grouting material, following components including measuring according to the mass fraction: portland cement 250 400 parts, sulphate aluminium cement 30 80 parts, reinforcing fibrous material 5 15 parts, water reducer 15 parts, cellulose ether 0.2 1 parts, latex powder 13 parts, triethanolamine 26 parts, silicon ash 10 25 parts, calcium carbonate superfine powder 5 15 parts, extender 20 40 parts, plastic expansion agent 0.1 0.8 parts, defoamer 0.5 2 parts, retarder 1 10 parts, naphthalene water reducer 3 15 parts, remaining is river sand, total amount is complemented to 1000 parts, it is high that the present invention has mechanical strength, good toughness, self drainage is good, good weatherability, the features such as durability is strong, initial flow degree and later stage fluidity are the highest.
Description
Technical field
The present invention relates to a kind of construction material, particularly relate to a kind of high flowability ultra early-strength grouting material.
Background technology
Grouting material is with high-strength material as aggregate, using cement as bonding agent, is aided with upper flow regime, microdilatancy, anti-isolation
Formulated Deng material.Add a certain amount of water at the construction field (site), can use after stirring, be mainly used in equipment Foundations two
Secondary grouting, slab column reinforcing, and road surface salvaging etc..But it is undesirable to there is mechanical strength in traditional grouting material, gravity flow
Property and the problem, and existing slurry such as weatherability is poor in cannot ensure initial flow degree and later stage fluidity so that reduce
Construction duration, it is impossible to reach the requirement of strength of construction.
Summary of the invention
Goal of the invention: the present invention solves the problems referred to above, it is provided that a kind of high flowability ultra early-strength grouting material.
Technical scheme:, a kind of high flowability ultra early-strength grouting material, the following components including measuring according to the mass fraction:
Remaining is river sand, and total amount complements to 1000 parts.
As a preferred embodiment of the present invention, the ratio of described silicon ash and calcium carbonate is 2:1.
As a preferred embodiment of the present invention, described reinforcing fibrous material is the mixture of glass fibre and plastic optical fibre.
As a preferred embodiment of the present invention, described plastic optical fibre is polypropylene fibre；Described glass fibre is with described
The mass ratio of plastic optical fibre is 1:1.
As a preferred embodiment of the present invention, the particle diameter of described river sand is 10-50 mesh.
As a preferred embodiment of the present invention, described retarder is the one in sodium pyrophosphate, sodium sulfate.
As a preferred embodiment of the present invention, described grouting material includes the following components measured according to the mass fraction:
Remaining is river sand, and total amount complements to 1000 parts.
Beneficial effect: the present invention compared with prior art, has an advantage in that, the present invention adds reinforcing fibrous material, can be significantly
Improve intensity and the toughness of grouting material, be simultaneously introduced triethanolamine and improve the intensity of encapsulating material further.And use silicon ash and surpass
Thin calcium carbonate contributes to strengthening material dissolution degree, improves hydration reaction process, makes reaction more abundant, and makes reinforcing fibrous material
It is more evenly distributed, and adds naphthalene water reducer, improve fluidity, reduce water consumption about 20%, effectively prevent mortar from receiving
Contracting cracking.
Advantages of the present invention shows:
1, the strongest, high-strength: within 1-3 days, comprcssive strength is up to more than 80Mpa.
2., self drainage is high: can fill whole space, meet the requirement of equipment back-grouting.
3., micro-expansibility: ensure to be in close contact between equipment and basis, ungauged regions after back-grouting.Adhesion strength is high, with
Round steel bond stress is not less than 10Mpa.
4., can winter construction: allow under-10 DEG C of temperature, carry out outdoor construction.
5., durability is strong: the present invention is more than the service life of base concrete service life.Through up to a million tired examinations
Testing, 50 freeze-thaw cycle experiment intensity are without significant change.After soaking 30 days in machine oil, intensity significantly improves.
Detailed description of the invention
Below in conjunction with detailed description of the invention, it is further elucidated with the present invention.
Embodiment 1
A kind of high flowability ultra early-strength grouting material, the following components including measuring according to the mass fraction:
Remaining is river sand, and total amount complements to 1000 parts.
Wherein, described reinforcing fibrous material is the mixture of glass fibre and plastic optical fibre.Described plastic optical fibre is polypropylene
Fiber；Described glass fibre is 1:1 with the mass ratio of described plastic optical fibre.The particle diameter of described river sand is 10-50 mesh.Described slow setting
Agent is sodium pyrophosphate.
The naphthalene water reducer increased improves fluidity, reduces water consumption about 20%, effectively prevents Mortar shrinkage from ftractureing；
The initial flow of the present embodiment is 390mm, and the fluidity retention after 30min is 380mm.
Embodiment 2
A kind of high flowability ultra early-strength grouting material, the following components including measuring according to the mass fraction:
Remaining is river sand, and total amount complements to 1000 parts.
Wherein, described reinforcing fibrous material is the mixture of glass fibre and plastic optical fibre.Described plastic optical fibre is polypropylene
Fiber；Described glass fibre is 1:1 with the mass ratio of described plastic optical fibre.The particle diameter of described river sand is 10-40 mesh.Described slow setting
Agent is sodium sulfate.
The naphthalene water reducer increased improves fluidity, reduces water consumption about 20%, effectively prevents Mortar shrinkage from ftractureing；
The initial flow of the present embodiment is 400mm, and the fluidity retention after 30min is 380mm.
Embodiment 3
A kind of high flowability ultra early-strength grouting material, the following components including measuring according to the mass fraction:
Remaining is river sand, and total amount complements to 1000 parts.
Wherein, described reinforcing fibrous material is the mixture of glass fibre and plastic optical fibre.Described plastic optical fibre is polypropylene
Fiber；Described glass fibre is 1:1 with the mass ratio of described plastic optical fibre.The particle diameter of described river sand is 30-50 mesh.Described slow setting
Agent is sodium pyrophosphate.
The naphthalene water reducer increased improves fluidity, reduces water consumption about 20%, effectively prevents Mortar shrinkage from ftractureing；
The initial flow of the present embodiment is 380mm, and the fluidity retention after 30min is 360mm.
Embodiment 4
A kind of high flowability ultra early-strength grouting material, the following components including measuring according to the mass fraction:
Remaining is river sand, and total amount complements to 1000 parts.
Wherein, described reinforcing fibrous material is the mixture of glass fibre and plastic optical fibre.Described plastic optical fibre is polypropylene
Fiber；Described glass fibre is 1:1 with the mass ratio of described plastic optical fibre.The particle diameter of described river sand is 10-50 mesh.Described slow setting
Agent is sodium sulfate.
After tested, within 1-3 days, comprcssive strength is up to more than 80Mpa for the present invention；Self drainage is good, can fill whole space, meets
The requirement of equipment back-grouting；Micro-expansibility is good, it is ensured that be in close contact between equipment and basis, ungauged regions after back-grouting；Viscous
Knotting strength is high, is not less than 10Mpa with round steel bond stress；Good weatherability, it is allowed to carry out outdoor construction under-10 DEG C of temperature；Durable
Property strong, service life is more than the service life of base concrete.Through up to a million fatigue tests, 50 freeze-thaw cycle experiment intensity
Without significant change.After soaking 30 days in machine oil, intensity significantly improves.
The naphthalene water reducer increased improves fluidity, reduces water consumption about 20%, effectively prevents Mortar shrinkage from ftractureing；
The initial flow of the present embodiment is 390mm, and the fluidity retention after 30min is 360mm.
Main uses of the present invention:
1. it is applicable to the grouting of the equipment Foundations such as machinery bed, foundation bolt.
2. the beam of building, plate, post, basis, terrace and road reinforcement, rush to repair, reinforce.
3. can carry out foundation bolt and the anchoring of reinforcing bar and structural strengthening.
4. subway, tunnel, the build-in of inferior engineering backhander method construction joint.
5. and the back-grouting being connected fixed by steel construction (rail, steelframe, steel column etc.) with basis.
Multiple amendment to embodiment will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty
The widest consistent scope.
Claims (7)
1. a high flowability ultra early-strength grouting material, it is characterised in that include the following components measured according to the mass fraction:
High flowability ultra early-strength grouting material the most according to claim 1, it is characterised in that described silicon ash and calcium carbonate
Ratio is 2:1.
High flowability ultra early-strength grouting material the most according to claim 1, it is characterised in that described reinforcing fibrous material is glass
Glass fiber and the mixture of plastic optical fibre.
High flowability ultra early-strength grouting material the most according to claim 3, it is characterised in that described plastic optical fibre is poly-third
Alkene fiber；Described glass fibre is 1:1 with the mass ratio of described plastic optical fibre.
High flowability ultra early-strength grouting material the most according to claim 3, it is characterised in that the particle diameter of described river sand is
10-50 mesh.
High flowability ultra early-strength grouting material the most according to claim 3, it is characterised in that described retarder is pyrophosphoric acid
One in sodium, sodium sulfate.
High flowability ultra early-strength grouting material the most according to claim 3, it is characterised in that include measuring according to the mass fraction
Following components:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508465.7A CN106186969A (en) | 2016-06-28 | 2016-06-28 | A kind of high flowability ultra early-strength grouting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508465.7A CN106186969A (en) | 2016-06-28 | 2016-06-28 | A kind of high flowability ultra early-strength grouting material |
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| Publication Number | Publication Date |
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| CN106186969A true CN106186969A (en) | 2016-12-07 |
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ID=57464483
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| CN201610508465.7A Pending CN106186969A (en) | 2016-06-28 | 2016-06-28 | A kind of high flowability ultra early-strength grouting material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164222A (en) * | 2018-02-01 | 2018-06-15 | 天津诚顺达建筑材料检测有限公司 | Cement-based grouting material and grout and mortar |
| CN110698145A (en) * | 2019-11-27 | 2020-01-17 | 汝州郑铁三佳水泥制品有限公司 | Trapezoidal sleeper square steel micro-expansion concrete |
| CN113216541A (en) * | 2021-05-10 | 2021-08-06 | 长沙三树新材料科技有限公司 | Mechanical spraying plastering construction method |
| CN114031354A (en) * | 2021-12-27 | 2022-02-11 | 北方道路科技(辽宁)有限公司 | High-performance cement-based grouting material for poured composite concrete pavement |
| CN114195466A (en) * | 2022-01-07 | 2022-03-18 | 中交三航局第三工程有限公司 | Early-strength high-strength sleeve grouting material and preparation method thereof |
| CN115925350A (en) * | 2022-06-22 | 2023-04-07 | 中铁七局集团有限公司 | High-strength anti-fatigue load steel-concrete connection grouting material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924019A (en) * | 2011-08-11 | 2013-02-13 | 北京建筑材料科学研究总院有限公司 | High-strength micro-expansive grouting material and its preparation method |
| CN103524098A (en) * | 2013-10-21 | 2014-01-22 | 苏州市姑苏新型建材有限公司 | Low-Ca/Si-rate soft anti-cracking complex-phase enhanced reinforcement material |
-
2016
- 2016-06-28 CN CN201610508465.7A patent/CN106186969A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924019A (en) * | 2011-08-11 | 2013-02-13 | 北京建筑材料科学研究总院有限公司 | High-strength micro-expansive grouting material and its preparation method |
| CN103524098A (en) * | 2013-10-21 | 2014-01-22 | 苏州市姑苏新型建材有限公司 | Low-Ca/Si-rate soft anti-cracking complex-phase enhanced reinforcement material |
Non-Patent Citations (1)
| Title |
|---|
| 李玉寿: "《混凝土原理与技术》", 31 July 2011, 华东理工大学出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164222A (en) * | 2018-02-01 | 2018-06-15 | 天津诚顺达建筑材料检测有限公司 | Cement-based grouting material and grout and mortar |
| CN110698145A (en) * | 2019-11-27 | 2020-01-17 | 汝州郑铁三佳水泥制品有限公司 | Trapezoidal sleeper square steel micro-expansion concrete |
| CN113216541A (en) * | 2021-05-10 | 2021-08-06 | 长沙三树新材料科技有限公司 | Mechanical spraying plastering construction method |
| CN114031354A (en) * | 2021-12-27 | 2022-02-11 | 北方道路科技(辽宁)有限公司 | High-performance cement-based grouting material for poured composite concrete pavement |
| CN114195466A (en) * | 2022-01-07 | 2022-03-18 | 中交三航局第三工程有限公司 | Early-strength high-strength sleeve grouting material and preparation method thereof |
| CN115925350A (en) * | 2022-06-22 | 2023-04-07 | 中铁七局集团有限公司 | High-strength anti-fatigue load steel-concrete connection grouting material and preparation method thereof |
| CN115925350B (en) * | 2022-06-22 | 2024-02-13 | 中铁七局集团有限公司 | High-strength anti-fatigue load steel-concrete connection grouting material and preparation method thereof |
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Application publication date: 20161207 |
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