CN109369125A - A kind of anchor pole grouting material - Google Patents
A kind of anchor pole grouting material Download PDFInfo
- Publication number
- CN109369125A CN109369125A CN201811566619.3A CN201811566619A CN109369125A CN 109369125 A CN109369125 A CN 109369125A CN 201811566619 A CN201811566619 A CN 201811566619A CN 109369125 A CN109369125 A CN 109369125A
- Authority
- CN
- China
- Prior art keywords
- water
- type
- anchor pole
- grouting material
- mass parts
- 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
-
- 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 present invention provides a kind of anchor pole grouting materials comprising as follows: 500 to 600 mass parts of sulphate aluminium cement；380 to 490 mass parts of quartz sand；5 to 6 mass parts of polycarboxylic acids early-strength water-reducing agent；3 to 5 mass parts of tartaric acid；1.5 to 3 mass parts of basalt fibre；1 to 3 mass parts of polyether antifoam agent；Lithium sulfate and/or lithium carbonate totally 1.5 to 2.5 mass parts.
Description
Technical field
The present invention provides a kind of anchor pole grouting materials.
Background technique
The mountain ridge railway tunnel in China mostly uses New Austrian Tunneling Method to construct.Suspension roof support plays in the support system of New Austrian Tunneling Method
Important function, integrality, the stability of country rock can be kept to the maximum extent, efficiently control surrouding rock deformation, displacement and crack
Development, give full play to the supporting role of country rock itself, anchoring quality is directly related to tunnel structure service state and operation peace
Entirely.When railway tunnel anchor pole applies due to boring positioning is inaccurate, anchor pole insertion depth is inadequate, slip casting is insufficient etc., anchor is caused
Bar valid bonding length is insufficient, and the mass defects such as slurries filling leakiness are generally existing, anchor rod body is caused to loosen or even fall off,
The diseases such as Lining cracks chip off-falling, percolating water frequently occur, and seriously threaten the operation security of railway tunnel.
Anchor rod with cement mortar (body of rod is solid or hollow) is mostly used to carry out supporting, anchor pole in Tunnel system at present
The body of rod is most or all of in hole is wrapped up by cement mortar, and the main function of cement mortar has two o'clock, one is playing cementing work
With anchor rod body is cemented together with Rock And Soil；The second is playing protective action, anchor rod body overall length package can prevent anchor pole
Corruption is protected.
In the construction of anchor pole, scene is needed to prepare cement slurry or cement mortar using cement, various additives and water, led to
It is commonly present the disadvantages of various additives compatibility is bad, causes pouring material there are stability poor, poor fluidity, slurry bleeding
Greatly, the problems such as final mechanical property of slurry is not up to standard, and it is high to site operation personnel requirement, these problems can seriously affect anchor pole
The supporting effect of supporting, and then threaten the operation security of tunnel structure.
Summary of the invention
Need scene allotment for cement mortar used in current anchor pole, construction personnel is required it is high, and that there are stability is poor,
The disadvantages of poor fluidity, slurry bleeding are big, the final mechanical property of slurry is not up to standard, the present invention provide a kind of anchor pole grouting material,
Include the following:
500 to 600 mass parts of sulphate aluminium cement；380 to 490 mass parts of quartz sand；Polycarboxylic acids early-strength water-reducing agent 5 to
6 mass parts；3 to 5 mass parts of tartaric acid；1.5 to 3 mass parts of basalt fibre；1 to 3 mass parts of polyether antifoam agent；Lithium sulfate
And/or lithium carbonate totally 1.5 to 2.5 mass parts.
In a specific embodiment, the sulphate aluminium cement is quick hardening sulphoaluminate cement.
In a specific embodiment, the sulphate aluminium cement is low alkalinity quick hardening sulphoaluminate.
In a specific embodiment, the sulphate aluminium cement is total alkalinity less than 0.6% low alkalinity hard sulphur fastly
Aluminate.
In a specific embodiment, the fineness modulus of the quartz sand is 2.3 to 3.
In a specific embodiment, the polycarboxylic acids early-strength water-reducing agent is the polyether-type that water-reducing rate is not less than 25%
Polycarboxylate water-reducer and/or water-reducing rate are not less than 25% polyester-type polycarboxylate water-reducer.
In a specific embodiment, the Polyether polycarboxylic-acid water reducer is selected from retardation setting type polyether-type polycarboxylic acids diminishing
At least one of agent, high water reduction type Polyether polycarboxylic-acid water reducer and high collapse protection type Polyether polycarboxylic-acid water reducer.
In a specific embodiment, the polyester-type polycarboxylate water-reducer is selected from retardation setting type polyester-type polycarboxylic acids diminishing
At least one of agent, high water reduction type polyester-type polycarboxylate water-reducer and high collapse protection type polyester-type polycarboxylate water-reducer.
In a specific embodiment, the tartaric acid is left-handed L-TARTARIC ACID.
In a specific embodiment, the basalt fibre is basalt chopped fiber of the length 0.5 to 1cm.
In a specific embodiment, the polyether antifoam agent is GPE type polyethers of the relative molecular weight in 3000-3600
Defoaming agent.
Beneficial effects of the present invention:
Anchor pole grouting material prepared by the present invention has stability good, no excreting water phenomenon generation, early strength and 28d intensity
Height, microdilatancy, it is good with anchor pole caking property the features such as, solve existing for scene allotment grouting material that stability is poor, poor fluidity, stream
It is dynamic to lose the disadvantages of fast, slurry bleeding is big, easily isolation is layered, the final mechanical property of slurry is not up to standard.It can be used for can be used for
Tunnel bolt anchorage.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but the exemplary only explanation of the embodiment of the present invention, should
No matter embodiment does not constitute a limitation of the invention under any circumstance.
Unless otherwise instructed, material used in the following embodiment is commercially available.
Cement: Zhengzhou Zhong Tai special cement factory production.
Quartz sand: golden light diamond dust factory of Wuhu City production.
Early strength water-reducing agent: Wuhu Hong Ma new material Co., Ltd production.
L-TARTARIC ACID: Nanjing Si Taibao trade Co., Ltd production.
Basalt chopped fiber: Sichuan Aerospace Tuoxin Basalt Industrial Co., Ltd.'s production.
GPE type polyether antifoam agent of the E-325D type relative molecular weight in 3000-3600: Xuzhou peace promise chemical products sale has
The production of limit company.
Linear polysiloxane series defoaming agent of the G-20B type relative molecular weight in 5000-6000: Nanjing "four news" (new ideas technological applications are ground
Research Institute Co., Ltd.'s production.
Lithium carbonate: Henan Jin Yu Chemical Co., Ltd. production.
Embodiment 1
Low alkalinity quick hardening sulphoaluminate cement 500kg of the total alkalinity less than 0.6% is sequentially added, fineness modulus is 2.3
Quartz sand 490kg, TOJ-10T type high water reduction type polyether-type polycarboxylic acids early strength water-reducing agent 5.0kg, the L- winestone that water-reducing rate is 25%
GPE type polyethers of sour 3.0kg, 0.5cm basalt chopped fiber 1.5kg, E-325D the type relative molecular weight in 3000-3600 defoams
Agent 1.0kg, lithium sulfate 1.5kg；It is mixed evenly and is prepared into tunnel anchor pole grouting material.
Embodiment 2
Low alkalinity quick hardening sulphoaluminate cement 600kg of the total alkalinity less than 0.6% is sequentially added, fineness modulus is 2.3
Quartz sand 380kg, TOJ-10T type high water reduction type polyether-type polycarboxylic acids early strength water-reducing agent 6.0kg, the L- winestone that water-reducing rate is 25%
GPE type polyethers of sour 5.0kg, 0.5cm basalt chopped fiber 2.5kg, E-325D the type relative molecular weight in 3000-3600 defoams
Agent 3.0kg, lithium sulfate 2.5kg；It is mixed evenly and is prepared into tunnel anchor pole grouting material.
Embodiment 3
Low alkalinity quick hardening sulphoaluminate cement 560kg of the total alkalinity less than 0.6% is sequentially added, fineness modulus is 3.0
Quartz sand 424kg, the TOJ-10A retardation setting type polyether-type polycarboxylic acids early strength water-reducing agent 6.0kg that water-reducing rate is 25%, L-TARTARIC ACID
GPE type polyether antifoam agent of 4.0kg, 0.5cm basalt chopped fiber 3.0kg, E-325D the type relative molecular weight in 3000-3600
1.0kg, lithium sulfate 2.0kg；It is mixed evenly and is prepared into tunnel anchor pole grouting material.
Embodiment 4
Low alkalinity quick hardening sulphoaluminate cement 560kg of the total alkalinity less than 0.6% is sequentially added, fineness modulus is 2.5
Quartz sand 424kg, TOJ-10B polyether-type polycarboxylic acids early strength water-reducing agent 6.0kg, the L-TARTARIC ACID 4.0kg that water-reducing rate is 27%,
1.0cm basalt chopped fiber 2.0kg, E-325D type relative molecular weight 3000-3600 GPE type polyether antifoam agent 2.0kg,
Lithium sulfate 2.0kg；It is mixed evenly and is prepared into tunnel anchor pole grouting material.
Embodiment 5
Low alkalinity quick hardening sulphoaluminate cement 560kg of the total alkalinity less than 0.6% is sequentially added, fineness modulus is 2.5
Quartz sand 424kg, the TOJ-10B high collapse protection type polyester-type polycarboxylic acids early strength water-reducing agent 6.0kg that water-reducing rate is 27%, L-TARTARIC ACID
GPE type polyether antifoam agent of 4.0kg, 1.0cm basalt chopped fiber 2.0kg, E-325D the type relative molecular weight in 3000-3600
2.0kg, lithium carbonate 2.0kg；It is mixed evenly and is prepared into tunnel anchor pole grouting material.
Comparative example 1
Sequentially add P.O.52.5 ordinary portland cement 462kg, the quartz sand 520kg that fineness modulus is 1.8, water-reducing rate
For 25% TOJ-10B high collapse protection type polyester-type polycarboxylic acids early strength water-reducing agent 10.0kg, sodium gluconate 4.0kg, E-325D type
GPE type polyether antifoam agent 0.5kg, lithium carbonate 3.5kg of the relative molecular weight in 3000-3600；It is mixed evenly and is prepared into
Compare grouting material.
Comparative example 2
Sequentially add P.O.52.5 ordinary portland cement 634kg, the quartz sand 350kg that fineness modulus is 1.8, water-reducing rate
For 25% TOJ-10B high collapse protection type polyester-type polycarboxylic acids early strength water-reducing agent 3.0kg, sodium gluconate 4.5kg, G-20B type phase
To molecular weight 5000-6000 linear polysiloxane series defoaming agent 5kg, lithium carbonate 3.5kg；It is mixed evenly and is prepared into
Compare grouting material.
Embodiment 6
Jiang Shui, for 0.15 ratio, weighs the tunnel 2kg anchor pole grouting material with mass ratio with tunnel anchor pole grouting material is added,
(i.e. water: tunnel anchor pole grouting material=0.3kg:2kg) is mixed evenly in 0.3kg water, according to national standards GB/T50448-
2008 " cement-based grouting material application technology specifications " detect prepared reinforcing grouting material, and testing result is as shown in table 1.
Table 1
From the data in table 1 it can be seen that anchor pole grouting material in tunnel prepared by the present invention has stability good, no bleeding is existing
As generation, early strength and 28d intensity are high, microdilatancy, it is good with anchor pole caking property the features such as, solve scene allotment grouting material and deposit
Stability is poor, poor fluidity, flow losses are fast, slurry bleeding is big, easily isolation layering, the final mechanical property of slurry be not up to standard
The disadvantages of.
Although the application is described referring to specific embodiment, it should be appreciated by those skilled in the art
In the case where no real spirit and scope for being detached from the application, the various changes that can carry out.Furthermore, it is possible to this Shen
Main body, spirit and scope please are variously changed to adapt to specific situation, material, material compositions and method.All
These changes are included in the range of claims hereof.
Claims (10)
1. a kind of anchor pole grouting material comprising as follows:
500 to 600 mass parts of sulphate aluminium cement；380 to 490 mass parts of quartz sand；5 to 6 matter of polycarboxylic acids early-strength water-reducing agent
Measure part；3 to 5 mass parts of tartaric acid；1.5 to 3 mass parts of basalt fibre；1 to 3 mass parts of polyether antifoam agent；Lithium sulfate and/or
Lithium carbonate totally 1.5 to 2.5 mass parts.
2. anchor pole grouting material according to claim 1, which is characterized in that the sulphate aluminium cement is quick hardening sulphoaluminate
Cement.
3. anchor pole grouting material according to claim 2, which is characterized in that the sulphate aluminium cement is low alkalinity hard sulphur fastly
Aluminate.
4. anchor pole grouting material according to claim 3, which is characterized in that the sulphate aluminium cement is less than for total alkalinity
0.6% low alkalinity quick hardening sulphoaluminate.
5. according to claim 1 to anchor pole grouting material described in 4, which is characterized in that the fineness modulus of the quartz sand be 2.3 to
3。
6. anchor pole grouting material as claimed in any of claims 1 to 5, which is characterized in that the polycarboxylic acids early-strength
Water-reducing agent is the poly- carboxylic of polyester-type that Polyether polycarboxylic-acid water reducer of the water-reducing rate not less than 25% and/or water-reducing rate are not less than 25%
Sour water-reducing agent.
7. anchor pole grouting material as claimed in any of claims 1 to 6, which is characterized in that the polyether-type polycarboxylic acids
Water-reducing agent is selected from retardation setting type Polyether polycarboxylic-acid water reducer, high water reduction type Polyether polycarboxylic-acid water reducer and high collapse protection type polyether-type
At least one of polycarboxylate water-reducer.
8. anchor pole grouting material as claimed in any of claims 1 to 7, which is characterized in that the polyester-type polycarboxylic acids
Water-reducing agent is selected from retardation setting type polyester-type polycarboxylate water-reducer, high water reduction type polyester-type polycarboxylate water-reducer and high collapse protection type polyester-type
At least one of polycarboxylate water-reducer.
9. anchor pole grouting material as claimed in any of claims 1 to 8, which is characterized in that the tartaric acid is left-handed
L-TARTARIC ACID.
10. anchor pole grouting material as claimed in any of claims 1 to 9, which is characterized in that the basalt fibre is
Length 0.5 to 1cm basalt chopped fiber；And/or
The polyether antifoam agent is GPE type polyether antifoam agent of the relative molecular weight in 3000-3600.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811566619.3A CN109369125A (en) | 2018-12-19 | 2018-12-19 | A kind of anchor pole grouting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811566619.3A CN109369125A (en) | 2018-12-19 | 2018-12-19 | A kind of anchor pole grouting material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109369125A true CN109369125A (en) | 2019-02-22 |
Family
ID=65371168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811566619.3A Pending CN109369125A (en) | 2018-12-19 | 2018-12-19 | A kind of anchor pole grouting material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005289722A (en) * | 2004-03-31 | 2005-10-20 | Sumitomo Osaka Cement Co Ltd | Super-quick hardening cement composition |
| CN102173662A (en) * | 2010-12-22 | 2011-09-07 | 北京东方雨虹防水技术股份有限公司 | Low-temperature super early strength support grouting material for high-speed rail |
| CN102351503A (en) * | 2011-07-12 | 2012-02-15 | 安徽中铁工程材料科技有限公司 | High speed railway bridge bearing anchoring mortar material |
| CN103539412A (en) * | 2013-09-27 | 2014-01-29 | 江苏兆佳建材科技有限公司 | Early-strength type cement-based grouting material and using method thereof |
| CN108947424A (en) * | 2018-08-30 | 2018-12-07 | 成都宏基建材股份有限公司 | A kind of fiber reinforcement reinforcing bar sleeve for connection grouting material and preparation method thereof |
-
2018
- 2018-12-19 CN CN201811566619.3A patent/CN109369125A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005289722A (en) * | 2004-03-31 | 2005-10-20 | Sumitomo Osaka Cement Co Ltd | Super-quick hardening cement composition |
| CN102173662A (en) * | 2010-12-22 | 2011-09-07 | 北京东方雨虹防水技术股份有限公司 | Low-temperature super early strength support grouting material for high-speed rail |
| CN102351503A (en) * | 2011-07-12 | 2012-02-15 | 安徽中铁工程材料科技有限公司 | High speed railway bridge bearing anchoring mortar material |
| CN103539412A (en) * | 2013-09-27 | 2014-01-29 | 江苏兆佳建材科技有限公司 | Early-strength type cement-based grouting material and using method thereof |
| CN108947424A (en) * | 2018-08-30 | 2018-12-07 | 成都宏基建材股份有限公司 | A kind of fiber reinforcement reinforcing bar sleeve for connection grouting material and preparation method thereof |
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Application publication date: 20190222 |
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