CN102676176B - A kind of compound ion soil-solidified-agent and manufacture method - Google Patents
A kind of compound ion soil-solidified-agent and manufacture method Download PDFInfo
- Publication number
- CN102676176B CN102676176B CN201210072517.2A CN201210072517A CN102676176B CN 102676176 B CN102676176 B CN 102676176B CN 201210072517 A CN201210072517 A CN 201210072517A CN 102676176 B CN102676176 B CN 102676176B
- Authority
- CN
- China
- Prior art keywords
- soil
- agent
- solidified
- compound ion
- activator
- 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.)
- Active
Links
Landscapes
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Road Paving Structures (AREA)
Abstract
A kind of compound ion soil-solidified-agent and manufacture method are highway, municipal administration, side slope protection, water conservancy dykes and dams, building lot and building seepage control project provide efficient civil engineering novel material, belong to technical field of fine.Its manufacture method is: by strong oxidizer, activator, dispersion agent, curing catalysts, 4 kinds of components are reacted in reactor in the ratio of activator component mass percentage 1. and 2. each 3%, ageing, temperature controls between 30-32 DEG C, add dispersion agent afterwards to stir, react after 60 minutes, finally add dense H
2sO
4, temperature of reaction controls below 60 DEG C, namely forms compound ion soil-solidified-agent.During construction application, its usage ratio is the 0.01-0.1% of compacting after fixing structural volume, after diluting, to be evenly sprayed in the soil mixed with other inorganic binder and mix is even with water, grinding compacting, through certain hour maintenance and reach soil solidification and stablize lasting effect.
Description
Technical field
A kind of compound ion soil-solidified-agent and manufacture method are highway, municipal administration, side slope protection, water conservancy dykes and dams, building lot and building seepage control project provide efficient civil engineering novel material, belong to technical field of fine.
Background technology
Soil-solidified-agent is at normal temperatures can soil particle surface or can react with clay mineral the soil hardening agent generating gum material in the direct cementing soil body.20 century 70s, soil-solidified-agent, as a kind of novel solidify material, is used widely in developed countries such as America and Europes.Soil-solidified-agent, with its superior performance, is widely applied, achieves significant effect in the construction of the Infrastructure such as water conservancy, traffic, environment, harbour, airport.The large class soil curing agent product of mineral-type, organic, biochemical enzyme and ionic species four continued to bring out in recent years.Domestic current solidifying agent mostly is mineral-type solid, powdery soil-solidified-agent, and main research and utilization cement solidification principle, its portioned product has obtained the application in engineering.Although soil solidification agent prescription is different, reinforcement mechanism is substantially identical.Its mechanism of action be solidifying agent with containing after the mixing with soil of certain moisture, there is series of physical chemical reaction, make solidified earth have irreversible, good weather resistance.Organic polymer firming agent for soil kind is a lot, but all chemical reaction does not occur with soil particle, fundamentally can not improve the use properties of soil.
Although the development of ionic soil-solidified-agent is very fast in the world, there is respective deficiency, still need constantly perfect.In recent years China has introduced a large amount of import ionic soil-solidified-agents, and its use obtains certain success, but high to the requirement of soil property, expensive due to it, and practical application is few.Solidifying agent domestic at present, applies only appropriate fraction soil, can not adapt to all kinds of soil of different nature, and domestic independent research is produced complex ionic soil-solidified-agent and is also in the starting stage.In order to adapt to the application of different properties soil, the present invention breaches the single deficiency of cationic cure agent composition, selects to form compound ion soil-solidified-agent by organic assembling such as strong oxidizer, activator, dispersion agent, curing catalysts; Make solidified earth reach closely knit with after soil effect by cal rolling, through a series of physical-chemical reaction process, long chain molecule key bridge is overlapped to form tridimensional network, and final formation stablizes lasting integral slab block structure.Fundamentally changing the water-absorbent of soil and change the structure of soil particle, improving the final strength of solidified earth, strengthening water stability, is a kind of civil engineering novel material efficiently, realizes the application of nature soil in building and road engineering.
Summary of the invention
The object of the present invention is to provide a kind of compound ion soil-solidified-agent and manufacture method, break through the deficiency that curing agent component is in the past single, realize the compatibility of soil-solidified-agent and all kinds of soil, be suitable for the application of different properties soil, react with all kinds of soil and become firmly lasting consolidated structures, realize soil improvement being become a kind of useful material of construction.
Technical problem solved by the invention realizes by the following technical solutions:
Main component of the present invention includes: activator, dispersion agent, curing catalysts and strong oxidizer, and the per-cent of raw material chemical formula and quality thereof is:
Activator component: 1.
2.
the straight chain of R1=23-25 carbon or ring-type full conjunction alkyl.Composition mass percentage 1. and 2. each 3%;
Dispersion. formulation:
r
2=close the alkyl of carbon bond with the terminal insatiable hunger of 3-6 carbon
r
3the straight chained alkyl of=1-3 carbon) 7-25%;
Curing catalysts composition:
x can be O or S, R
4the straight chained alkyl of=2-5 carbon must reach the following powder of 2000 order, and mass percentage is 1%;
Above three kinds of raw materials add strong oxidizer (dense H
2sO
4) the percentage ratio sum of each raw material is 100%.
According to feature of the present invention, arrange 4 production plants such as curing catalysts workshop, activator workshop, dispersion agent workshop and composite workshop, production technique comprises curing catalysts production, activator is produced, dispersion agent is produced and the preparation of compound ion soil-solidified-agent.
Activator is produced: the production of activator is carried out in reduction activation complexes, and master operation comprises preparation of raw material, mixing, chemical reaction, ageing and reduction activation etc.The core apparatus that activator is produced is reduction activation part and reaction times 6-10 hour, and temperature controls at-10-25 DEG C.
Being formulated in composite workshop of compound ion soil-solidified-agent is carried out, and arranges a complex production line in workshop, and production line is made up of tempering tank, volume pump, finished pot, packaging dispense station etc.Its production stage is: strong oxidizer, activator, dispersion agent, the curing catalysts of the machining formation respectively in laboratory, 4 workshops, 4 kinds of components are reacted in reactor in the ratio of activator component mass percentage 1. and 2. each 3%, ageing, temperature controls between 30-32 DEG C, add dispersion agent afterwards to stir, react after 60 minutes, finally add dense H
2sO
4, temperature of reaction controls below 60 DEG C, namely forms compound ion soil-solidified-agent.
The effect of the compound ion soil-solidified-agent each component in the present invention is as follows:
Strong oxidizer: open the electrochemistry key between grogs and water molecules, to excite between soil particle the aggregation force of self, the water that grogs is adsorbed becomes free water, and grogs combines by positive negative potential again, and for a change grogs structure creates favorable conditions.
Activator: when activator contacts with grogs, effectively can excite the activity of grogs, makes inertia soil particle become active stronger soil particle.
Dispersion agent: active substance extremely strong for activity is distributed to each position edaphic, forms new valence link by the upper charged soil of adjacent key joint and mineral substance on long for soil-solidified-agent key and combines.Adjacent grain soil particle is overlapped by molecular linkage bridge again by same molecular chain, forms water-fast macromole, and the long key of crisscross combination is connected as a single entity organic for adjacent grain soil particle, and tangled shape becomes solid space reticulated structure mutually.
Curing catalysts: when jointly using with the conventional curing material such as conventional cement, lime, reach compatible and react rapidly, and realize having complementary advantages, fundamentally change the mechanical strength of soil, compensate for various defect and the deficiency of conventional curing material.
By the compound ion soil-solidified-agent that strong oxidizer, activator, dispersion agent and curing catalysts are formed, after itself and soil effect, make solidified earth reach closely knit by cal rolling, cause the hydraulic pressure in grogs kapillary to exist, internal drop is low, final formation integral slab block structure.Bound moisture originally in soil capillary progressively replace by long-chain macromolecule, Bound moisture becomes free water.Wherein formed partial agglomeration thing and the active substance of crystal and dispersion are filled with the pore of soil.Activator constantly promotes the carrying out of exchange interaction, and grogs surface and macromolecular particle point of contact form irreversible condensation, and whole long-chain becomes water-fast macromole.Simultaneously surfactant by stagnant in soil surface and kapillary, and there is adsorption in its forceful electric power lotus and hydrogen bond and grogs surface, make arrangement polar group outside towards grogs hydrophobic group, more firm along with the prolongation of time, form the semi-rigid overall plate that stability is extremely strong.Significantly lower the wetting ability of soil thus, improve water stability.Change the use properties of soil, reach the final purpose of curing soil.
The present invention, when highway engineering construction is applied, needs with reference to national standard, i.e. " curing sub-surface and subbase technical regulation CJJ/T80-98 ", " soil-solidified-agent 3073-1998 " and " soil-solidified-agent utilisation technology directive/guide RISN-TG003-2007 ".
Compound ion soil-solidified-agent in the present invention is at room temperature nonflammable chocolate thick liquid, sediment-free, proportion is 1.7g/cm3, boiling point is 182 DEG C, during use, mix with 2-6% cement or 3-12% lime (or effective content of carbide slag) and native mix even, compound ion soil-solidified-agent usage ratio is the 0.01-0.1% of compacting after fixing structural volume, and press the dilution proportion of 1: 100-200 with water, evenly to be sprayed in the soil of the scope of operation and mix is even, after using 18 tons and above street roller compacting, watering curing time 3-7 days, through a series of physical-chemical reaction process, and reach soil solidification and stablize lasting effect.
The present invention, compared with traditional solidifying agent, has the following advantages:
1, scientific formulation is reasonable, and set out for the most basic structure and moisture two key factors forming soil mechanics intensity, strong oxidizer, activator, dispersion agent and curing catalysts etc. are selected in research, both targetedly, has again comparatively strong compatible to all kinds of soil; Stable and reliable for performance, easy to use, highly enriched, consumption is few, be easy to transport and store; Solidification effect is good, intensity is high, water stability good, antiseepage, solar heat protection and anti-freezing property excellent.
2, there is practicality widely, can be applicable to the fields such as highway, municipal administration, side slope protection, water conservancy dykes and dams, building lot and building seepage control project, without the need to transporting on-the-spot soil, gather materials on the spot, no longer need a large amount of sand material, save engineering cost greatly, the reduction of erection time, cost of building the road can be saved be about 30-40% compared with existing road-making material, can the reduction of erection time about 30%.
3, efficient civil engineering novel material, solves the problem with carbide slag and the comprehensive treating process of complex ionic soil-solidified-agent soil naturally, changes the structure of soil particle, improve the final strength of solidified earth, enhancing water stability by the water-absorbent of change soil; In road maintenance, also by original asphalt pavement material recycling, not only can save cost but also administered waste residue.
Embodiment
In order to make technical feature of the present invention, characteristic sum effect is easy to understand more, will test indoor and outdoor practical engineering application below, and further set forth performance characteristics of the present invention.
Case study on implementation 1
Under laboratory conditions:
According to " earthwork test rule ", got the soil sample of 5mm sieve, by the cement of 32.5 labels mixing 4% outward, in the ratio of test block volume 0.02%, configuration compound ion soil-solidified-agent, mixes suitable quantity of water dilution mix, makes the test specimen of 50mm × 50mm.5 groups totally 45, according to " curing sub-surface and subbase technical regulation CJJ/T80-98 ", " soil-solidified-agent 3073-1998 " and " JTGE51-2009 highway engineering stabilized with inorganic binder testing of materials code " operation also testing inspection, often group is got 3 and is carried out, 7 days (mark supported immersion in+1 day in 6 days) unconfined compression strengths, on average reach more than 3.60Mpa, meet Expressway Road design requirements; Often group is got 3 and is on average reached 7.05Mpa 28 days (27 days mark support+1 day immersion) unconfined compression strengths; Remainder is often organized 3 and is carried out freezing and thawing test, through 50 DEG C to-18 DEG C 18 times circulations repeatedly test soaked after unconfined compression strength without considerable change, can find out that resistance to compression index of the present invention, water resistance and heat expansion-proof and cold events performance are all fabulous by following table.
One group of intensity detection testing data:
Case study on implementation 2
Select certain manufacturing district factory road in the middle part of Guangxi District, making area about 20,000 square metres, the engineering time is in January, 2010-May, and this area's liquid limit of soil is 44%, and plastic limit is 24%, and plasticity index is 20, belongs to cohesive soil.Road subbase course mix material proportioning is, soil-solidified-agent: carbide slag: element soil=0.02%: 3%: 97%; Roadbase mix material proportioning is, soil-solidified-agent: cement: carbide slag: element soil=0.02%: 3%: 3%: 94%, wherein, cement is 32.5 label Portland cements, carbide slag is the industrial residue of PVC enterprise, and main component is the Ca (OH) containing saturation water
2, element soil is the soil needing in plant area's construction to transport outward.Construct complete, detected roadbed by detection unit, sub-surface and subbase compactness all reach more than 95%, and deflection value is also only in 60 ~ 100 (0.01mm) scope, between modulus of resilience 125.5-217MPa, all reach the requirement of design compactness and deflection value.At present, factory road has a large amount of loader transporter to run every day, and road performance is still intact to be remain.Adopt the road of making of the present invention, significantly reduce engineering cost, greatly saved the time, greatly accelerate the all-round construction of plant area, effect is very remarkable.
Case study on implementation 3
Select district newly developed of Guangxi District city town road, path area about 1800 square metres.The soil of this area belongs to weak expansive soil, and local government has clear stipulaties, and this soil is unprocessed can not be used as roadbed backfill soil.Road subbase course mix material proportioning is, soil-solidified-agent: carbide slag: element soil=0.02%: 6%: 94%; Roadbase mix material proportioning is, soil-solidified-agent: cement: carbide slag: element soil=0.02%: 3%: 6%: 91%.After project is completed, by detection unit, compactness and rebound deflection value are detected to it.After testing, subbase compactness is more than 97%, and representing deflection value is 159.8 (0.01mm); Compactness of subbase is more than 98%, and representing deflection value is 47.8 (0.01mm), all reaches and even far exceedes design requirements.This project soil used is that spoir is piled up in the exploitation of this development area, has fully demonstrated the present invention and has gathered materials on the spot when road engineering is applied, the feature of environmental protection and energy saving, for city spoil disposal provides effective settling mode.
Above display description ultimate principle of the present invention and principal character and advantage of the present invention.
Claims (1)
1. a compound ion soil-solidified-agent, is characterized in that, this compound ion soil-solidified-agent comprises following component: activator, dispersion agent, curing catalysts and strong oxidizer, and the per-cent of raw material chemical formula and quality thereof is:
Activator component:
r
1the straight chain of=23-25 carbon or ring-type full conjunction alkyl, composition mass percentage 1. and 2. each 3%;
Dispersion. formulation:
r
3the straight chained alkyl of=1-3 carbon, mass percentage is 7-25%;
Curing catalysts composition:
x can be O or S, R
4the straight chained alkyl of=2-5 carbon must reach the following powder of 2000 order, and mass percentage is 1%;
Above three kinds of raw materials add 98%H
2s0
4strong oxidizer, the percentage ratio sum of each raw material is 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210072517.2A CN102676176B (en) | 2012-03-19 | 2012-03-19 | A kind of compound ion soil-solidified-agent and manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210072517.2A CN102676176B (en) | 2012-03-19 | 2012-03-19 | A kind of compound ion soil-solidified-agent and manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102676176A CN102676176A (en) | 2012-09-19 |
| CN102676176B true CN102676176B (en) | 2015-11-25 |
Family
ID=46808739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210072517.2A Active CN102676176B (en) | 2012-03-19 | 2012-03-19 | A kind of compound ion soil-solidified-agent and manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102676176B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756338A (en) * | 2013-12-17 | 2014-04-30 | 柳州东风化工股份有限公司 | Asphalt regeneration curing agent |
| CN103741567A (en) * | 2013-12-17 | 2014-04-23 | 柳州东风化工股份有限公司 | Method for curing base course and subbase of pavement by adopting soil stabilizing agent |
| CN103664891B (en) * | 2013-12-24 | 2015-07-29 | 辽宁工程技术大学 | A kind of groundwork firming agent for soft soil |
| CN106968237A (en) * | 2017-03-24 | 2017-07-21 | 广东省建筑科学研究院集团股份有限公司 | A kind of semi-rigid sub-base material of utilization soil body solidification |
| GB2563424A (en) * | 2017-06-15 | 2018-12-19 | Mark Davies Richard | Soil treatment |
| CN110407528A (en) * | 2018-04-27 | 2019-11-05 | 上海麦酷网络科技有限公司 | A kind of mixing cured soil body road basement material of steel slag |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280168A (en) * | 2000-06-22 | 2001-01-17 | 赵炎 | Soil stabilizer and its preparing method |
| CN101684409A (en) * | 2008-09-28 | 2010-03-31 | 孙建国 | Soil chemical stabilizer formula and application |
-
2012
- 2012-03-19 CN CN201210072517.2A patent/CN102676176B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280168A (en) * | 2000-06-22 | 2001-01-17 | 赵炎 | Soil stabilizer and its preparing method |
| CN101684409A (en) * | 2008-09-28 | 2010-03-31 | 孙建国 | Soil chemical stabilizer formula and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102676176A (en) | 2012-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102676176B (en) | A kind of compound ion soil-solidified-agent and manufacture method | |
| CN102031119B (en) | Soil curing agent directly processing soil into surface layer of road | |
| CN111003984B (en) | Novel tailing mixed soil road subgrade material and preparation method thereof | |
| CN102815901B (en) | Ultralow-temperature high-performance concrete for railway construction in severe cold regions and preparation technique thereof | |
| CN107382358A (en) | It is a kind of suitable for permeable alkali-slag concrete of Supporting Load Pavement and preparation method thereof | |
| CN103013526A (en) | Soil solidifier and soil solidification method | |
| CN105367009A (en) | Sludge curing agent and preparing method and application thereof | |
| CN102976692A (en) | Ore-powder-doped high-performance shotcrete applicable to underground watertight oil cellars and preparation method thereof | |
| CN102643652A (en) | High osmosis type soil hardener and application method thereof | |
| CN102517031A (en) | Novel mucky soil composite curing agent | |
| CN109369119B (en) | Preparation and application method of modified phosphogypsum road material based on aluminum smelting waste residues | |
| CN107500649A (en) | Unburned dregs brick and preparation method thereof and its application | |
| CN110092623A (en) | A kind of dredging and reclamation silt curing agent | |
| Voottipruex et al. | Bagasse ash–fly ash-geopolymer-treated soft Bangkok clay as subgrade material | |
| CN102086399A (en) | Curing agent for stabilizing soil | |
| CN102718439B (en) | Method for road engineering by mixing plant asphalt and petroleum asphalt | |
| CN102557494A (en) | Industrial-waste-based environment-friendly curing agent | |
| Yao et al. | Application of a soft soil stabilized by composite geopolymer | |
| CN103848605A (en) | Method of stably regenerating gravel from cement, and product of the method | |
| CN106830875A (en) | A kind of magnesium phosphate cement foam concrete fixes the sand plate and preparation method thereof | |
| KR101096641B1 (en) | Method for stabilizing ground | |
| CN112779016A (en) | High-strength soil-fixing rock powdery material, preparation method and application | |
| CN104805826A (en) | Method for preparing solidified soil in use of soil stabilizer | |
| CN104745197B (en) | Solidifying rock of a kind of soil and preparation method thereof | |
| CN103011716A (en) | Grouting material for roadbed reinforcement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Sun Nianchao Document name: Notice of termination of patent right |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shang Lu Document name: Notification of qualified procedures |