CN108298912A - The preparation method of synchronous grouting concrete and synchronous grouting concrete - Google Patents
The preparation method of synchronous grouting concrete and synchronous grouting concrete Download PDFInfo
- Publication number
- CN108298912A CN108298912A CN201810219057.9A CN201810219057A CN108298912A CN 108298912 A CN108298912 A CN 108298912A CN 201810219057 A CN201810219057 A CN 201810219057A CN 108298912 A CN108298912 A CN 108298912A
- Authority
- CN
- China
- Prior art keywords
- parts
- synchronous grouting
- grouting concrete
- sand
- concrete
- 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.)
- Pending
Links
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
- C04B28/04—Portland 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
- 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
Landscapes
- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The embodiment of the present invention provides a kind of synchronous grouting concrete, which is made of the raw material of following mass fraction：182~200 parts of portland cement, 705~772.5 parts of Machine-made Sand, 705~772.5 parts of natural sand, 45.6~50 parts of bentonite, 3.65~4.93 parts of retarder, 0~4.93 part of water-reducing agent, 275~392.3 parts of drinking water.Be added to suitable Machine-made Sand and natural sand in synchronous grouting concrete provided by the invention, help to improve the early strength of product, improve properties of product, can preferably fill concrete internal voids, improve the compactness of synchronous grouting concrete；Meanwhile also added suitable portland cement in synchronous grouting concrete, there is higher compression strength, anti-permeability performance and corrosion resistance, ground settlement and duct piece float upward can be efficiently controlled.And the raw material of synchronous grouting concrete provided by the invention is gathered materials on the spot, and is easy to get, and reduces material cost, and preparation method is simple.
Description
Technical field
The present invention relates to building material technical fields, and in particular, to a kind of synchronous grouting concrete and a kind of synchronous note
The preparation method of concrete grout.
Background technology
Shield synchronization slip casting technology refers in shield driving work progress, and after tunnel lining segment assembly, shield tail is deviate from
While, under certain grouting pressure, by it is suitable, have the injecting paste material of certain early strength and final strength insert shield
In gap after tail, structure void after filling wall is played after its consolidation and sclerosis, certain bearing capacity is provided, to stablize section of jurisdiction lining
The slurry injection technique of block.Synchronous grouting is for controlling formation displacement, reducing the disturbance to periphery underground structure and maintaining shield tunnel
The stability in road is highly important.
In the prior art, there are mainly three types of synchronous grouting slurries：Traditional inertia slurry, single slurry and dual slurry.But this
For three kinds of slurries there are problems, application effect is undesirable：Traditional inertia slurry anti-permeability performance is poor, and slurry is lost in serious and anti-
Poor performance is pressed, it is poor for control settlement effect；Single slurry setting time is long, and anti-permeability performance is poor, and slurry is easy to be lost in, and anti-corruption
Lose poor performance；Dual slurry construction is complicated, and can cause environmental pollution, and construction cost is higher.
Invention content
Poor for synchronous grouting slurry anti-permeability performance in the prior art, early strength is low, and compression strength is low and corrosion-resistant
The technical issues of poor performance, the present invention provides a kind of synchronous grouting concrete, which has higher morning
Phase intensity, compression strength, anti-permeability performance and corrosion resistance, and prepare simply, manufacturing cost is low.
To achieve the above object, the present invention provides a kind of synchronous grouting concrete, and the synchronous grouting concrete is by following matter
Measure the raw material composition of number：182~200 parts of portland cement, 705~772.5 parts of Machine-made Sand, 705~772.5 parts of natural sand,
45.6~50 parts of bentonite, 3.65~4.93 parts of retarder, 0~4.93 part of water-reducing agent, 275~392.3 parts of drinking water.
Preferably, the synchronous grouting concrete is made of the raw material of following mass fraction：182 parts of portland cement, machine
705 parts of sand processed, 705 parts of natural sand, 45.6 parts of bentonite, 3.65 parts of retarder, 0 part of water-reducing agent, 392.3 parts of drinking water.
Preferably, the synchronous grouting concrete is made of the raw material of following mass fraction：196.9 parts of portland cement,
772.5 parts of Machine-made Sand, 772.5 parts of natural sand, 49.2 parts of bentonite, 4.93 parts of retarder, 4.93 parts of water-reducing agent, drinking water 336
Part.
Preferably, the synchronous grouting concrete is made of the raw material of following mass fraction：200 parts of portland cement, machine
772.5 parts of sand processed, 772.5 parts of natural sand, 50 parts of bentonite, 4 parts of retarder, 4 parts of water-reducing agent, 275 parts of drinking water.
Preferably, the diameter of the Machine-made Sand is less than 5mm.
Preferably, the diameter of the natural sand is less than 2mm.
Preferably, the retarder is the mixture of both lignosulphonic acid, sodium salt.
Preferably, the water-reducing agent is naphthalene sulfonate polymer.
Second aspect of the present invention provides a kind of preparation method of synchronous grouting concrete, and this approach includes the following steps：(1)
The portland cement of the mass fraction and Machine-made Sand, natural sand, bentonite are stirred 45 seconds, the first mixture is obtained；(2)
The drinking water of the mass fraction is added in first mixture, stirs 45 seconds, obtains the second mixture；(3) described
The water-reducing agent and retarder of the mass fraction are added in second mixture, stirs 30 seconds, obtains the synchronous grouting concrete.
The technical solution provided through the invention, the present invention at least have the following technical effect that：
It is added to suitable Machine-made Sand and natural sand in synchronous grouting concrete provided by the invention, helps to improve product
Early strength, improve properties of product, can preferably fill concrete internal voids, improve the closely knit of synchronous grouting concrete
Degree.Meanwhile also added suitable portland cement in synchronous grouting concrete, have higher compression strength, anti-permeability performance,
And corrosion resistance, ground settlement and duct piece float upward can be efficiently controlled.And synchronous grouting coagulation provided by the invention
The raw material of soil is gathered materials on the spot, and is easy to get, is reduced material cost, and preparation method is simple.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the embodiment of the present invention is described in detail below.It should be understood that described herein
Specific implementation mode be merely to illustrate and explain the present invention embodiment, be not intended to restrict the invention embodiment.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention provides a kind of synchronous grouting concrete, the synchronous grouting concrete by following mass fraction raw material group
At：182~200 parts of portland cement, 705~772.5 parts of Machine-made Sand, 705~772.5 parts of natural sand, bentonite 45.6~50
Part, 3.65~4.93 parts of retarder, 0~4.93 part of water-reducing agent, 275~392.3 parts of drinking water.
Synchronous grouting concrete provided by the invention helps to improve production by adjusting the content of Machine-made Sand and natural sand
The early strength of product improves properties of product, can preferably fill concrete internal voids, improve the close of synchronous grouting concrete
Solidity.Also added suitable portland cement in synchronous grouting concrete, have higher compression strength, anti-permeability performance, with
And corrosion resistance, ground settlement and duct piece float upward can be efficiently controlled.By adjusting water-reducing agent in synchronous grouting concrete,
The content of retarder can control the compression strength setting time of synchronous grouting material so that the presetting period is long, can store compared with
For a long time.The bleeding rate that synchronous grouting concrete can be reduced by adjusting bentonitic content in synchronous grouting concrete, carries
High dispersion resistance is easy transport.And the raw material of synchronous grouting concrete provided by the invention is gathered materials on the spot, and is easy to get, drop
Low material cost, and preparation method is simple.
Preferably, the diameter of the Machine-made Sand is less than 5mm.
Preferably, the diameter of the natural sand is less than 2mm.
Preferably, the retarder is the mixture of both lignosulphonic acid, sodium salt.
Retarder provided in an embodiment of the present invention can control the compression strength setting time of synchronous grouting material so that just
The solidifying time is long, can it is more overtime between store.
Preferably, the water-reducing agent is naphthalene sulfonate polymer.
Water-reducing agent provided in an embodiment of the present invention can effectively overcome ordinary water-reducing agent easily to be adsorbed by shale and weaken diminishing
The shortcomings that efficiency, promotes the flowing of slurry.
The synchronous grouting concrete of the embodiment of the present invention provides following three kinds by changing the mass fraction of different material
Product：
Product one is made of the raw material of following mass fraction：182 parts of portland cement, 705 parts of Machine-made Sand, natural sand 705
Part, 45.6 parts of bentonite, 3.65 parts of retarder, 0 part of water-reducing agent, 392.3 parts of drinking water.
Product two is made of the raw material of following mass fraction：It is 196.9 parts of portland cement, 772.5 parts of Machine-made Sand, natural
772.5 parts of sand, 49.2 parts of bentonite, 4.93 parts of retarder, 4.93 parts of water-reducing agent, 336 parts of drinking water.
Product three is made of the raw material of following mass fraction：200 parts of portland cement, 772.5 parts of Machine-made Sand, natural sand
772.5 parts, 50 parts of bentonite, 4 parts of retarder, 4 parts of water-reducing agent, 275 parts of drinking water.
Three kinds of products provided in an embodiment of the present invention help to carry due to being added to suitable Machine-made Sand and natural sand respectively
The early strength of high product improves properties of product, can preferably fill concrete internal voids, improve synchronous grouting concrete
Compactness.In the embodiment of the present invention, to the concrete of product one, product two, product three and a commercially available model CM5
Early strength be tested, the data measured are as shown in table 1：
Table 1
According to table 1 it is found that product provided in an embodiment of the present invention one, product two and product three under different time
Early strength is above the concrete of model CM5.
Three kinds of products provided in an embodiment of the present invention have higher anti-due to being added to suitable portland cement respectively
Compressive Strength, anti-permeability performance and corrosion resistance can efficiently control ground settlement and duct piece float upward.The embodiment of the present invention
In the compression strength of the concrete of product one, product two, product three and model CM5, seepage-resistant grade, rate of corrosion are carried out
Test, the data that measure are as shown in table 2：
| Concrete performance index | Product one | Product two | Product three | CM5 concrete |
| 28 days compression strength (MPa) | 3.942 | 4.902 | 3.862 | 2.445 |
| Seepage-resistant grade | P4 | P4 | P4 | P2 |
| Rate of corrosion | 10.8% | 10.1% | 11.2% | 33.8% |
Table 2
According to table 2 it is found that the compression strength, impervious of product provided in an embodiment of the present invention one, product two and product three
Grade, rate of corrosion are superior to the concrete of model CM5.
Second aspect of the present invention provides a kind of preparation method of synchronous grouting concrete, and this approach includes the following steps：(1)
The portland cement of the mass fraction and Machine-made Sand, natural sand, bentonite are stirred 45 seconds, the first mixture is obtained；(2)
The drinking water of the mass fraction is added in first mixture, stirs 45 seconds, obtains the second mixture；(3) described
The water-reducing agent and retarder of the mass fraction are added in second mixture, stirs 30 seconds, obtains the synchronous grouting concrete.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (9)
1. a kind of synchronous grouting concrete, which is characterized in that the synchronous grouting concrete by following mass fraction raw material group
At：
182~200 parts of portland cement, 705~772.5 parts of Machine-made Sand, 705~772.5 parts of natural sand, bentonite 45.6~50
Part, 3.65~4.93 parts of retarder, 0~4.93 part of water-reducing agent, 275~392.3 parts of drinking water.
2. synchronous grouting concrete according to claim 1, which is characterized in that the synchronous grouting concrete is by following matter
Measure the raw material composition of number：
182 parts of portland cement, 705 parts of Machine-made Sand, 705 parts of natural sand, 45.6 parts of bentonite, 3.65 parts of retarder, water-reducing agent 0
Part, 392.3 parts of drinking water.
3. synchronous grouting concrete according to claim 1, which is characterized in that the synchronous grouting concrete is by following matter
Measure the raw material composition of number：
196.9 parts of portland cement, 772.5 parts of Machine-made Sand, 772.5 parts of natural sand, 49.2 parts of bentonite, 4.93 parts of retarder,
4.93 parts of water-reducing agent, 336 parts of drinking water.
4. synchronous grouting concrete according to claim 1, which is characterized in that the synchronous grouting concrete is by following matter
Measure the raw material composition of number：
200 parts of portland cement, 772.5 parts of Machine-made Sand, 772.5 parts of natural sand, 50 parts of bentonite, 4 parts of retarder, water-reducing agent 4
Part, 275 parts of drinking water.
5. according to the synchronous grouting concrete described in any one of claim 1-4 claims, which is characterized in that the mechanism
The diameter of sand is less than 5mm.
6. according to the synchronous grouting concrete described in any one of claim 1-4 claims, which is characterized in that described natural
The diameter of sand is less than 2mm.
7. according to the synchronous grouting concrete described in any one of claim 1-4 claims, which is characterized in that the slow setting
Agent is the mixture of both lignosulphonic acid, sodium salt.
8. according to the synchronous grouting concrete described in any one of claim 1-4 claims, which is characterized in that the diminishing
Agent is naphthalene sulfonate polymer.
9. the preparation method of the synchronous grouting concrete described in a kind of any one of claim 1-8, which is characterized in that the side
Method includes the following steps：
(1) portland cement of the mass fraction, Machine-made Sand, natural sand, bentonite are stirred 45 seconds, obtains the first mixing
Object；
(2) drinking water of the mass fraction is added in first mixture, stirs 45 seconds, obtains the second mixture；
(3) water-reducing agent and retarder of the mass fraction are added in second mixture, stirs 30 seconds, obtains described same
Walk grouting concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219057.9A CN108298912A (en) | 2018-03-16 | 2018-03-16 | The preparation method of synchronous grouting concrete and synchronous grouting concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219057.9A CN108298912A (en) | 2018-03-16 | 2018-03-16 | The preparation method of synchronous grouting concrete and synchronous grouting concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108298912A true CN108298912A (en) | 2018-07-20 |
Family
ID=62849851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810219057.9A Pending CN108298912A (en) | 2018-03-16 | 2018-03-16 | The preparation method of synchronous grouting concrete and synchronous grouting concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108298912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793897A (en) * | 2018-09-07 | 2018-11-13 | 中铁十二局集团有限公司 | Suitable for water rich strata shield synchronous grouting serous fluid and preparation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539416A (en) * | 2012-07-09 | 2014-01-29 | 上海城建物资有限公司 | Special novel shear-resistant mortar for synchronous grouting and preparation method thereof |
| CN104074530A (en) * | 2014-06-17 | 2014-10-01 | 中铁十五局集团有限公司 | Shield synchronous grouting construction method and construction material |
| CN104609814A (en) * | 2014-12-24 | 2015-05-13 | 武汉市市政建设集团有限公司 | Anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence |
| CN105272085A (en) * | 2015-10-30 | 2016-01-27 | 王璐 | Novel grouting material |
| CN106946522A (en) * | 2017-03-08 | 2017-07-14 | 北京艺高世纪科技股份有限公司 | A kind of shield synchronization slip casting construction material |
-
2018
- 2018-03-16 CN CN201810219057.9A patent/CN108298912A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539416A (en) * | 2012-07-09 | 2014-01-29 | 上海城建物资有限公司 | Special novel shear-resistant mortar for synchronous grouting and preparation method thereof |
| CN104074530A (en) * | 2014-06-17 | 2014-10-01 | 中铁十五局集团有限公司 | Shield synchronous grouting construction method and construction material |
| CN104609814A (en) * | 2014-12-24 | 2015-05-13 | 武汉市市政建设集团有限公司 | Anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence |
| CN105272085A (en) * | 2015-10-30 | 2016-01-27 | 王璐 | Novel grouting material |
| CN106946522A (en) * | 2017-03-08 | 2017-07-14 | 北京艺高世纪科技股份有限公司 | A kind of shield synchronization slip casting construction material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793897A (en) * | 2018-09-07 | 2018-11-13 | 中铁十二局集团有限公司 | Suitable for water rich strata shield synchronous grouting serous fluid and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103449837B (en) | Mining foam paste filling material prepared by utilizing synergistic foaming method and preparation method thereof | |
| CN103449762B (en) | Early-strength micro-expanding synchronous grouting material prepared from shield tailings and preparation method of synchronous grouting material | |
| CN101693615A (en) | Sulphoaluminate cement base synchronous slip casting material and preparation method | |
| CN109626928B (en) | Composite curing agent suitable for peat soil and preparation method thereof | |
| CN101628800B (en) | Early strength cement grout with low dehydration ratio for grouting | |
| CN104402339A (en) | Pervious concrete and construction method thereof | |
| CN103755275B (en) | A kind of morning the strong and clay Cement paste of Anti-erosion | |
| CN104072007B (en) | Superfine mineral micro powder grouting agent for duct grouting | |
| CN103951353B (en) | For grouting material that road is reinforced and preparation method thereof | |
| CN102659373B (en) | High-performance corrosion-resisting concrete pile and preparation method thereof | |
| CN103086666B (en) | River sludge composite curing material with high organic matter content and application thereof | |
| CN107698226A (en) | A kind of cement-silicate injecting paste material | |
| CN109608145A (en) | A kind of hardening capacity ardealite base grouting material and application method for stemming operation | |
| CN105152599B (en) | For cement-base composite material and the preparation technology of rich water fragmented rock body grouting treatment | |
| CN106587711B (en) | Special additive for self-dense concrete is used in a kind of perfusion of enclosure space | |
| CN105236890B (en) | A kind of water-resistance endurance roadbed injecting paste material and preparation method and application | |
| CN101774794A (en) | High-performance inert slurry for grouting of back of shield tunnel segment | |
| CN102924023B (en) | Sulphoaluminate-base high-strength grouting concrete and preparation method thereof | |
| CN103396065A (en) | Synchronous grouting grout for shield construction control and grouting method thereof | |
| CN101445342B (en) | Concrete material for reinforcing high-performance structure project, preparation method and use thereof | |
| CN107840622A (en) | A kind of highway grouting material and its production method | |
| CN107814542A (en) | A kind of railway grouting material and its production method | |
| CN112876124A (en) | Internal-doped concrete reinforcing agent and preparation method thereof | |
| CN109626936A (en) | A kind of gypsum-base hydraulicity grouting material and the preparation method and application thereof | |
| CN108298912A (en) | The preparation method of synchronous grouting concrete and synchronous grouting concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |