CN109608144A - It is a kind of to coagulate the adjustable solidifying grouting material of type and its application fastly - Google Patents
It is a kind of to coagulate the adjustable solidifying grouting material of type and its application fastly Download PDFInfo
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- CN109608144A CN109608144A CN201811570189.2A CN201811570189A CN109608144A CN 109608144 A CN109608144 A CN 109608144A CN 201811570189 A CN201811570189 A CN 201811570189A CN 109608144 A CN109608144 A CN 109608144A
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- Prior art keywords
- solidifying
- adjustable
- grouting material
- water
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Classifications
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- 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
- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses the fast solidifying adjustable solidifying grouting material of type and its application, each components comprising following parts by weight: cement (100) part；Water-reducing agent (0.05~0.8) part；Thickener (0.05~0.8) part；Coagulant (0.06~0.8) part；Retarder (0.07~0.9) part；Tackifier (0.05~0.8) part；Water-retaining agent (0.01~1) part, the cement are sulphur lithium acid salt cement；The water-reducing agent is polycarboxylate water-reducer, melamine water reducing agent or naphthalene water reducer；The thickener is hydroxypropyl methyl cellulose or hydroxymethyl-propyl cellulose；The coagulant is aluminium carbonate or calcium formate；The retarder is boric acid or citric acid or tartaric acid；The tackifier are glue essence (ingredient is PVA or PVE).Bolt grouting material of the invention, which can be realized in 20min or so initial set, 25~40min, to coagulate, and makes the bursting work in tunnel is synchronous with engineering construction to carry out, improves construction speed, realize good economic benefit.
Description
Technical field
The present invention relates to building material technical fields, more particularly to a kind of adjustable solidifying grouting material of type solidifying fastly and its answer
With.
Background technique
China is that Tunnel Engineering is largest, quantity is most in the world, builds fastest country.By 2016
Bottom is completed vcehicular tunnel 14040km/15181, will be completed railway tunnel 15781km/14700 by the end of the year 2017, arrives
The year two thousand twenty, China express railway build up mileage up to 30,000 kilometers (existing 2.2 ten thousand kilometers), need to increase 0.8 ten thousand kilometers newly；Highway
Mileage is built up up to 150,000 kilometers (existing 13.1 ten thousand kilometers), 1.9 ten thousand kilometers need to be increased newly.In addition, planning also indicates that: central and west regions
Transport development short slab is obvious, relatively lags behind, and need to strengthen the construction of central and west regions channel.Central and west regions have welcome the friendship of a new round
Logical infrastructure construction climax.Reinforcing bar sleeve for connection grouting material, slurry are widely applied in the prefabricated construction of building industry
The performance of liquid is particularly important for tunnel grouting engineering, it directly affects the quality of slip casting and the cost of engineering.Due to note
The purpose of slurry is different with requirement, and the slurries of selection should also be different.The previous general injecting paste material of Tunnel Engineering is mainly with common
Cement paste, setting time of bolt grouting material include initial set and final set, when current injecting paste material presetting period and final set
Between longer, generally larger than 5h, according to tunnel normal procedure in use, tunnel has been carried out 1 separate explosion operation.And current anchor
Bar injecting paste material since first, final setting time is long, caused by influence to be not available in 30 meters of slip casting position in tunnel
Explosion, otherwise tunnel initial-stage due to self structure stability it is poor, be self-possessed and blast disturbance additional load effect under tend to occur
Sedimentation and deformation, more persons up to 100~200mm/d, the cement grout filled around anchor pole at this time still without or it is only minimum
Intensity and bond stress, anchor-holding force of anchor bolt, the suspension function to preliminary bracing and the extruding reinforcement effect to country rock cannot be timely
It effectively plays, country rock comes to nothing with preliminary bracing, and top covering rockmass loses supporting constraint, due to soft rock cohesion very little, it is difficult to gram
The additional load that clothes self weight and construction disturbance generate, makes arch rock mass generate downward sliding and loosening, and then causes arch loose
Dynamic area expands, and preliminary bracing structural stability further deteriorates, and the initial stages branch such as steelframe distortion fractures, gunite concrete cracks occurs
Unstable failure problem is protected, the generation of large deformation disaster is aggravated.In view of the foregoing, at present injecting paste material just, final setting time mistake
When long defect to construct in tunnel, bursting work synchronous cannot be carried out with construction, seriously affect the project progress in tunnel
And quality, economic benefit is reduced, the overall process of national basis Facilities Construction has been influenced.Moreover, with China's economy
Fast development, traffic water conservancy construction (such as high-speed rail, subway, highway, dam) scale are increasing.China has a vast territory, and landforms are more
Become complex geologic conditions；Complicated geological conditions is valued by people underground engineering and hydraulic engineering also increasingly.By
Constantly increase in high-speed rail, subway, dam, traffic and hydraulic engineering condition are increasingly sophisticated, gradually show avalanche, landslide is dashed forward
Water gushes the problems such as mud.In order to solve these problems, people take slurry injection technique to reinforce and block, still, existing slip casting
The condensation of materials time is longer, quickly and effectively can not be reinforced and be blocked.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, a kind of adjustable solidifying grouting material of type solidifying fastly is provided,
The setting time for reducing grouting material, improve construction speed.
In order to solve the above technical problems, the present invention is solved by following technical proposals:
A kind of adjustable solidifying grouting material of type solidifying fastly, each component comprising following parts by weight:
Preferably, the cement is sulphate aluminium cement.
Preferably, the water-reducing agent is polycarboxylate water-reducer, melamine water reducing agent or naphthalene water reducer.
Preferably, the thickener is hydroxypropyl methyl cellulose or hydroxymethyl-propyl cellulose.
Preferably, the coagulant is lithium carbonate or calcium formate.
Preferably, the retarder is boric acid or citric acid or tartaric acid.
Preferably, the tackifier are glue essence (PVA or PVE).
Preferably, the water-retaining agent is polyacrylamide.
The present invention also provides a kind of application of the adjustable solidifying grouting material of type in tunnel bolt grouting solidifying fastly.
The present invention also provides a kind of adjustable solidifying grouting materials of type solidifying fastly in foundation anti-seepage is reinforced or Foundation Anti-seepage is reinforced
Application.
The present invention have the following advantages that compared with prior art and the utility model has the advantages that
1. of the invention replaces ordinary cement using sulphate aluminium cement, using a certain proportion of hydroxypropyl methyl cellulose
Or hydroxymethyl-propyl cellulose is as thickener；Using a certain proportion of lithium carbonate or calcium formate as coagulant；Using certain
The boric acid or citric acid or tartaric acid of ratio are as retarder, using a certain proportion of glue essence as tackifier, by reasonable
Selection modified material composition and ratio so that slurries made from the fast solidifying adjustable solidifying grouting material of type of the invention just, eventually
The solidifying time substantially shortens, slurries can the final set in 20min or so initial set, 25~40min, make the bursting work and work in tunnel
Journey construction is synchronous to be carried out, and is improved construction speed, is realized good economic benefit.
2. injecting paste material of the invention uses different component and ratio compared with the existing technology, compression strength is had
Effect improves, and when the compression strength of existing injecting paste material reaches 20mpa, the time needs more than for 24 hours, and injecting paste material of the invention
The compression strength that can reach 20mpa after 3h, can effectively prevent from causing tunnel due to blasting vibration and from heavy load
The deformation and sedimentation of supporting construction, help to improve the construction quality of entire engineering.
3. injecting paste material of the invention uses different component and ratio compared with the existing technology, injecting paste material is improved
Hole wall cohesive force and the bond stress of anchor pole improved between slurries and hole wall in a short time during mortar depositing construction
Adhesion strength can prevent common slurries from largely falling down due to hole wall cohesive force difference, avoid the waste of injecting paste material, be conducive to section
Cost-saving.
4. the present invention prepare be simple and convenient to operate, it is high-strength it is fast hard, practical application has been carried out by construction site test, imitate
Fruit is significant, can wide popularization and application in Tunnel Engineering, slope project, hydraulic engineering, great good promotion prospect.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Specific implementation process of the invention is as follows:
Embodiment 1
30 parts of water and 70 parts of river sand/artificial sand/stone is added in a kind of adjustable solidifying grouting material of type solidifying fastly of the invention
Sand obtains one kind containing body, specifically includes each component of following parts by weight:
In this real-time example, the water-reducing agent is polycarboxylate water-reducer, melamine water reducing agent or naphthalene water reducer.
The thickener is hydroxypropyl methyl cellulose or hydroxymethyl-propyl cellulose.
The coagulant is lithium carbonate or calcium formate.
The retarder is boric acid or citric acid or tartaric acid.
The tackifier are glue essence (PVA or PVE).
The water-retaining agent is polyacrylamide.
Watch 1 is a kind of indices test result of fast solidifying adjustable solidifying grouting material of type of embodiment 1.
Embodiment 2
30 parts of water and 70 parts of river sand/artificial sand/stone is added in a kind of adjustable solidifying grouting material of type solidifying fastly of the invention
Sand obtains one kind containing body, specifically includes each component of following parts by weight:
The cement is sulphate aluminium cement.
The water-reducing agent is polycarboxylate water-reducer, melamine water reducing agent or naphthalene water reducer.
The thickener is hydroxypropyl methyl cellulose or hydroxymethyl-propyl cellulose.
The coagulant is lithium carbonate or calcium formate.
The retarder is boric acid or citric acid or tartaric acid.
The tackifier are glue essence (PVA or PVE).
The water-retaining agent is polyacrylamide.
Watch 2 is the indices test result of the fast solidifying type bolt grouting material of embodiment two.
Embodiment 3
30 parts of water and 70 parts of river sand/artificial sand/stone is added in a kind of adjustable solidifying grouting material of type solidifying fastly of the invention
Sand obtains one kind containing body, specifically includes each component of following parts by weight:
The water-reducing agent is polycarboxylate water-reducer, melamine water reducing agent or naphthalene water reducer.
The thickener is hydroxypropyl methyl cellulose or hydroxymethyl-propyl cellulose.
The coagulant is lithium carbonate or calcium formate.
The retarder is boric acid or citric acid or tartaric acid.
The tackifier are glue essence (PVA or PVE).
The water-retaining agent is polyacrylamide.
Watch 3 is a kind of indices test result of fast solidifying adjustable solidifying grouting material of type of embodiment 3.
Table 4 is the indices data of the grouting material of the prior art.
It is learnt according to above-described embodiment 1 to 3 and table 1 to table 4: by adjusting each addO-on therapy in grouting material of the present invention
Ratio has obtained slurry made from injecting paste material of the invention in fluidity, presetting period, final setting time, compression strength four
The test result data of index, slurry made from grouting material of the invention is in fluidity, presetting period, final setting time and resistance to compression
Intensity four indices are significantly optimized, and the presetting period produced by the present invention containing body is maintained at 20min or so, eventually
The solidifying time is maintained at 25~40min, and the compression strength of test specimen is stablized with the growth of age to be improved, and 2h's is first compared with prior art
The final setting time of solidifying time and 8h, presetting period of the invention and final setting time substantially reduce, and the compression strength of test specimen is in 3h
28.6mpa is had reached, and the level when compression strength of the prior art just reaches 3h of the present invention in 1d, the resistance to compression of test specimen
Intensity has reached 36.5mpa in 10h, and the compression strength of the prior art just reaches the present invention in 7d in 10h Shi Caida
Level when to 10h of the present invention, is learnt, the presetting period is not only greatly shortened in grouting material of the invention by above-mentioned test result
And final setting time, and its compression strength also reaches requirement in a short time, compared with prior art, has in performance apparent
It is promoted.
In practice of construction, the presetting period of slurry and the specific length of final setting time are to tunnel grouting engineering, side slope
Reinforcing, the construction of road rapid repair are particularly important, and current injecting paste material presetting period and final setting time are longer, just according to tunnel
Normal process causes to be not available in 30 meters of slip casting position in tunnel quick-fried in use, tunnel has been carried out 1 separate explosion operation
It is broken, otherwise be self-possessed and the effect of blast disturbance additional load under tend to occur sedimentation and deformation, the present invention in view of above-mentioned technical problem,
Purpose is presetting period and the final setting time that slurry is adjusted by different component and ratio, at the beginning of avoiding slurry in the prior art
Solidifying time and final setting time be unreasonable cause construction cannot synchronous progress defect.
In the above three embodiments, two presetting period of slurry, final setting time indexs are to meet tunnel in embodiment two
The preferred index of road Grouting engineering construction, the injecting paste material of embodiment two make the first of slurry while ensure that compression strength
Solidifying time and final setting time meet working procedure time requirement just, are carried out continuously construction.Meeting tunnel grouting matter
Under the premise of amount requires, mortar depositing construction is combined closely with Tunnel Blasting process, fully considers that tunnel applies anchor pole (including slip casting)
Further shorten while meeting tunnel circulation Blasting Excavation interval period to the process used time of subsequent cycle Blasting Excavation
The distance of bolt grouting construction location and blast working position, traditional bolt grouting material during constructing tunnel, by
In injecting paste material just, final setting time it is long, be not available for bursting work within the scope of 30 meters of mortar depositing construction position in the tunnel in,
Since the presetting period foreshortens to 20min or so, final setting time shortens in 25~40min the bolt grouting material of invention, and conventional
Time needed for the processes such as adjusting, charging, mix, the solidification of ordinary cement injecting paste material is generally 5h to 8h, in this period
Interior, initial set and final set is completed in injecting paste material of the invention, and the injecting paste material of the prior art does not complete initial set and final set, adopts
With injecting paste material of the invention, stable fixing collar and Load -carring arch can be formed by making tunnel perimeter country rock in a short time, be avoided
In 30 meters when explosion, since blasting vibration effect makes tunnel sedimentation and deformation occur, and then follow constructing tunnel process on time
Ring carries out, and improves the construction speed of entire engineering.
In conclusion the fast solidifying adjustable solidifying grouting material of type of the invention be added a certain proportion of water or river sand/artificial sand/
Mortar obtained can be applied to tunnel bolt grouting and other grouting after quartz sand；A certain proportion of water, gravelstone or middle stone is added
Castable can be made, the pouring material can be used for the engineer application that road rapid repair etc. needs to complete in short-term, if passing through inventor's
Dry test result obtains, when the fast solidifying adjustable solidifying grouting material of type of the invention can adjust condensation according to the particular/special requirement of engineering
Between, 20min or so can will be adjusted to the presetting period in the engineering field for needing to complete in short-term, and final setting time shortens in 25-
40min meets the engineering fields such as tunnel bolt grouting, waterproofing and leakage-stopping, and when the grouting material of the prior art can not be by condensing
Between be adjusted to the present invention same or below setting time of the invention, the grouting material application field range of the prior art is narrow
Narrow, limitation is strong, and grouting material of the invention can adjust setting time, and setting time of the invention is made to meet most engineerings
Construction requirement expands application field and range, practical, has substantive distinguishing features outstanding and significant progress.
What needs to be explained here is that: a kind of application field of fast solidifying adjustable solidifying grouting material formula of type of the invention is not limited to
The application in above-mentioned field, above-mentioned application field are only the representative application fields of the present invention, other are any to use this hair
Bright formula using within the scope of the present invention, details are not described herein.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of adjustable solidifying grouting material of type solidifying fastly, it is characterised in that: each component comprising following parts by weight:
2. a kind of adjustable solidifying grouting material of type solidifying fastly according to claim 1, it is characterised in that: the cement is sulphur aluminic acid
Salt cement.
3. a kind of adjustable solidifying grouting material of type solidifying fastly according to claim 1, it is characterised in that: the water-reducing agent is poly- carboxylic
Sour water-reducing agent, melamine water reducing agent or naphthalene water reducer.
4. a kind of adjustable solidifying grouting material of type solidifying fastly according to claim 1, it is characterised in that: the thickener is hydroxypropyl
Ylmethyl cellulose or hydroxymethyl-propyl cellulose.
5. a kind of adjustable solidifying grouting material of type solidifying fastly according to claim 1, it is characterised in that: the coagulant is carbonic acid
Lithium or calcium formate.
6. a kind of adjustable solidifying grouting material of type solidifying fastly according to claim 1, it is characterised in that: the retarder is boric acid
Or citric acid or tartaric acid.
7. a kind of adjustable solidifying grouting material of type solidifying fastly according to claim 1, it is characterised in that: the tackifier are glue
Smart (PVA or PVE).
8. a kind of adjustable solidifying grouting material of type solidifying fastly according to claim 1, it is characterised in that: the water-retaining agent is poly- third
Acrylamide.
9. a kind of described in any item applications of the adjustable solidifying grouting material of type in tunnel bolt grouting solidifying fastly of claim 1 to 8.
10. a kind of described in any item adjustable solidifying grouting materials of type solidifying fastly of claim 1 to 8 are anti-in foundation anti-seepage reinforcing or basis
Seep the application in reinforcing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570189.2A CN109608144A (en) | 2018-12-21 | 2018-12-21 | It is a kind of to coagulate the adjustable solidifying grouting material of type and its application fastly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570189.2A CN109608144A (en) | 2018-12-21 | 2018-12-21 | It is a kind of to coagulate the adjustable solidifying grouting material of type and its application fastly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183189A (en) * | 2019-05-28 | 2019-08-30 | 西南交通大学 | Presetting period controllable shield water resistant dispersion simultaneous grouting slurry and preparation method |
| CN110498633A (en) * | 2019-08-14 | 2019-11-26 | 中交武汉港湾工程设计研究院有限公司 | Shield synchronization slip casting Material cladding additive |
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| CN106396536A (en) * | 2016-08-25 | 2017-02-15 | 四川蜂巢外墙保温隔热技术有限公司 | Grouting material for wall partition board |
| KR101737362B1 (en) * | 2015-11-25 | 2017-05-18 | 박광준 | Grouting materials for self healing and grouting method using thereof |
| CN106810176A (en) * | 2017-03-29 | 2017-06-09 | 石家庄市易达恒联路桥材料有限公司 | A kind of low viscosity upper flow regime strength cement-based grouting material |
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| CN101786838A (en) * | 2010-01-20 | 2010-07-28 | 北京新中岩建材科技有限公司 | Early strength grouting material |
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| CN110183189A (en) * | 2019-05-28 | 2019-08-30 | 西南交通大学 | Presetting period controllable shield water resistant dispersion simultaneous grouting slurry and preparation method |
| CN110498633A (en) * | 2019-08-14 | 2019-11-26 | 中交武汉港湾工程设计研究院有限公司 | Shield synchronization slip casting Material cladding additive |
| CN110498633B (en) * | 2019-08-14 | 2021-09-10 | 中交武汉港湾工程设计研究院有限公司 | Composite additive for shield synchronous grouting material |
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Application publication date: 20190412 |