CN105272108A - Modularization-building-foundation-soil rapid chemical curing agent and application thereof - Google Patents
Modularization-building-foundation-soil rapid chemical curing agent and application thereof Download PDFInfo
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- CN105272108A CN105272108A CN201510664327.3A CN201510664327A CN105272108A CN 105272108 A CN105272108 A CN 105272108A CN 201510664327 A CN201510664327 A CN 201510664327A CN 105272108 A CN105272108 A CN 105272108A
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Abstract
The invention relates to the field of modularization building foundation soil processing, and aims at providing a modularization-building-foundation-soil rapid chemical curing agent and application thereof. The chemical curing agent comprises the following compositions in percent by mass: 10-20% of high early strength cement, 20-40% of slag powder, 25-45% of fly ash, 8-16% of pulverized limestone, 6-10% of gypsum powder, 1-4% of potassium permanganate, and 2-5% of polycarboxylic acid water reducer. The chemical curing agent is capable of rapidly developing strength and giving play to effect of foundation softening processing, reduces environment soil influence and does not cause environment risk, helps to improve the mixing efficiency with ooze soil and improve processing effect on modularization building foundation soil, and is shortened in curing time compared with a lime or cement solidification manner in a routine technological means. Compared with a conventional reinforcing technology for high-organics-content high-water-content ooze soil at a tourist area or farm, the foundation-soil rapid chemical curing agent is controllable in cost, substantial in effect and fast in curing speed, and possesses extremely large application value in modularization building industry.
Description
Technical field
The present invention relates to rapid chemical curing dose of modular architectural foundation soil, belong to modular architectural field of foundation treatment.
Background technology
Along with the fast development of economy, resident is increasing to fine work agricultural tour demand.At present, China is just making great efforts to carry out agricultural modernization and the development of rural tourism industry, thus drive is that the integrated building that core segments market increases fast with leisure agriculture.According to preresearch estimates, the leisure agriculture base that the coming five years China will build about 500, forms nearly hundred billion full industrial chain scales.
Modular architectural is different from traditional reinforced concrete building system, major structure of construction, Architectural Equipment and decorations etc. are produced in workshop, assembles, be transported to by drawing rapid construction behind scene, significantly reducing the construction costs, only just can be completed after a couple of days is delivered for use.Because construction period is extremely short, boundary of works area is very little, building lot needs to process as early as possible.But being often positioned at tourist district or farm due to modular architectural, its ground mostly is the Muddy Bottoms soil of high organic, high-moisture, brings very big inconvenience to basement process.
Modular architectural is temporary building in essence, and basement process becomes should control to some extent.Because its addressing is flexible, area is less, traditional heavy foundation processing machine can not be suitable for.After following modular architectural is moved away from, ground should be able to recover original character, and all basement process should reduce the impact on neighbouring soil.Due to modular architectural construction speed quickly, also corresponding requirements is very fast for its particular surroundings basement process speed.
Mostly traditional modularization basement process means are Muddy Bottoms soil to dig out, and this obviously increases site operation difficulty, and it is also very difficult to dig out Muddy Bottoms soil disposal.At the position that some dried up body is very near, mud overall moisture content is high.Even if scooped away by upper strata mud, lower floor's mud is still difficult to process.In existing certain module chemical industry journey, be difficult to the better viewing location ground of process, ground can only be selected easily to process position installation of modular building.
In addition one large class process means carry out chemical consolidation to Muddy Bottoms soil.From existing part engineering, because the Muddy Bottoms soil organism is higher, water ratio is higher, simple chemical consolidation there will be the problems such as consolidation effect is slow.Mainly utilize cement and lime double element system in common chemical consolidation scheme, because meeting dispersed encapsulated organic in mud is on gelling material surface, delays heat evolution velocity, hydrated cementitious degree is significantly reduced.
Cement-based gelling material is reacted by tricalcium silicate and Dicalcium Phosphate (Feed Grade) and water, generates hydrated calcium silicate gel thus development intensity.Hydration reaction can generate a large amount of calcium hydroxide simultaneously, high-moisture percentage mud environment can near soil cause harmful effect.Only be difficult to meet the demands based on the reinforcement system of cement and lime.
So module oriented approach building operation feature and nearly water principle of travelling, rapid chemical curing dose of the environment-friendly type soft subgrade soil earth for high organic, high-moisture percentage Muddy Bottoms soil seems very important.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the technical deficiency of existing modular architectural basement process, provides rapid chemical curing dose of a kind of modular architectural foundation soil and application thereof, mainly for the application scenarios of high organic, high-moisture percentage Muddy Bottoms soil.
For technical solution problem, solution of the present invention is:
There is provided rapid chemical curing dose of a kind of modular architectural foundation soil, its component and mass percent are:
Rapid hardening cement 10 ~ 20%
Slag powders 20 ~ 40%
Flyash 25 ~ 45%
Lime powder 8 ~ 16%
Terra alba 6 ~ 10%
Potassium permanganate 1 ~ 4%
Polycarboxylate water-reducer 2 ~ 5%.
Invention further provides and utilize rapid chemical curing dose of aforementioned modules building lot soil to carry out quick-setting method to Muddy Bottoms soil, utilize mechanical means by rapid chemical curing dose: the mass ratio of Muddy Bottoms soil is to mix at 5 ~ 15: 100, and the depth of soil of combination treatment is 0.3 ~ 1m; Through combination treatment after 3 days, characteristic value of foundation bearing capacity >=200KPa, Muddy Bottoms soil moisture content drops within 30%.
Of the present inventionly realize principle:
By utilizing the gelling material such as rapid hardening cement, slag powders, flyash, lime powder, terra alba and high organic, high-moisture percentage mud to react, developing intensity rapidly, playing treatment of soft foundation effect; Hydration reaction generates low alkalinity hydrated product, weakens and affects ambient soil; Potassium permanganate and organism reaction product are MnO
2, CO
2and organic intermediate, add in soil and there is no environmental risk; Polycarboxylate water-reducer improves rapid chemical curing dose and Muddy Bottoms soil mixing efficiency, improves modular architectural Foundation Treatment Effect; The array mode of the specified proportion between each component, make chemosetting effect more remarkable, shorten set time than the lime in routine techniques means or cement solidification mode, improve solidified earth intensity, improve that organic matter is higher, the more high special Muddy Bottoms soil suitability of water ratio.
Compared with prior art, beneficial effect of the present invention is:
Compared with the Muddy Bottoms soil reinforcement techniques of current tourist district or farm high organic content, high-moisture percentage, foundation soil rapid chemical curing dose of cost is controlled, Be very effective, fast setting, and following have great using value in modular architectural industry.
Embodiment
The object of the invention is to, rapid chemical curing dose of a kind of environment-friendly type for high organic, high-moisture percentage Muddy Bottoms soil is provided.Utilize mechanical means to be mixed in proportion rapid chemical curing dose with soil, make high organic, high-moisture percentage Muddy Bottoms soil fast setting, meet modular architectural ground demand.
Component and the mass percent of rapid chemical curing dose of this modular architectural foundation soil are:
Rapid hardening cement 10 ~ 20%; Slag powders 20 ~ 40%; Flyash 25 ~ 45%; Lime powder 8 ~ 16%; Terra alba 6 ~ 10%; Potassium permanganate 1 ~ 4%; Polycarboxylate water-reducer 2 ~ 5%.
Rapid chemical curing dose of aforementioned modules building lot soil is utilized to carry out quick-setting method to Muddy Bottoms soil, refer to: utilize mechanical means by rapid chemical curing dose: the mass ratio of Muddy Bottoms soil is to mix at 5 ~ 15: 100, and the depth of soil of combination treatment is 0.3 ~ 1m; Through combination treatment after 3 days, characteristic value of foundation bearing capacity >=200KPa, Muddy Bottoms soil moisture content drops within 30%.
Slag powders described in the present invention has its limiting meaning at building field.The slag of blast furnace ironmaking melting refers to and has little time crystallization when quenching and the glass state material formed traditionally.The slag of melting flow directly into cool in pond be water-granulated slag again, be commonly called as grain slag.Slag, after levigate, be the active addition of cement, be also slag micropowder.Because ironmaking is occupied an leading position in metal production industry, generally Iron-ore Slag is called for short slag, the slag of other Special Metal needs to indicate.So, inside building field, iron ore ground-slag, slag micropowder, slag powders, breeze etc. all make a general reference with powder, being all that blast furnace ironmaking slag is levigate forms.Building field is very frequent to the use of slag powders, except aforementioned concepts, does not usually have other meaning too many.
Testing data in each embodiment sees the following form (unit %):
Finally, it is also to be noted that enumerate above be only specific embodiments of the invention son.Obviously, the invention is not restricted to above examples of implementation, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (2)
1. rapid chemical curing dose of modular architectural foundation soil, is characterized in that: the component of this chemical curing agent and mass percent are:
Rapid hardening cement 10 ~ 20%
Slag powders 20 ~ 40%
Flyash 25 ~ 45%
Lime powder 8 ~ 16%
Terra alba 6 ~ 10%
Potassium permanganate 1 ~ 4%
Polycarboxylate water-reducer 2 ~ 5%.
2. utilize rapid chemical curing dose of modular architectural foundation soil described in claim 1 to carry out quick-setting method to Muddy Bottoms soil, it is characterized in that, utilize mechanical means by rapid chemical curing dose: the mass ratio of Muddy Bottoms soil is to mix at 5 ~ 15: 100, and the depth of soil of combination treatment is 0.3 ~ 1m; Through combination treatment after 3 days, characteristic value of foundation bearing capacity >=200KPa, Muddy Bottoms soil moisture content drops within 30%.
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| CN201510664327.3A CN105272108B (en) | 2015-10-13 | 2015-10-13 | Rapid chemical curing dose of modular architectural foundation soil and its application |
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| CN201510664327.3A CN105272108B (en) | 2015-10-13 | 2015-10-13 | Rapid chemical curing dose of modular architectural foundation soil and its application |
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| CN105272108A true CN105272108A (en) | 2016-01-27 |
| CN105272108B CN105272108B (en) | 2017-10-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906819A (en) * | 2017-02-24 | 2017-06-30 | 浙江省交通规划设计研究院 | A kind of solidification processing method of muck soil |
| CN109133754A (en) * | 2018-11-13 | 2019-01-04 | 湖北恒沁环保科技有限责任公司 | A kind of muck foundation material and the method using the foundation material construction subgrade |
| CN109555101A (en) * | 2019-01-22 | 2019-04-02 | 淮阴师范学院 | A kind of soil solidification method of sandy soil layer |
| CN113214835A (en) * | 2021-06-16 | 2021-08-06 | 中国电建集团华东勘测设计研究院有限公司 | Soil curing agent for roadbed filling |
| CN114907088A (en) * | 2022-06-01 | 2022-08-16 | 南京航基电气有限公司 | Soil curing agent and preparation method thereof |
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| CN1730836A (en) * | 2005-09-02 | 2006-02-08 | 东南大学 | Soil solidifying agent |
| WO2011136395A1 (en) * | 2010-04-30 | 2011-11-03 | Ｊｆｅスチール株式会社 | Method for producing artificial stone material |
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2015
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| WO2011136395A1 (en) * | 2010-04-30 | 2011-11-03 | Ｊｆｅスチール株式会社 | Method for producing artificial stone material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906819A (en) * | 2017-02-24 | 2017-06-30 | 浙江省交通规划设计研究院 | A kind of solidification processing method of muck soil |
| CN109133754A (en) * | 2018-11-13 | 2019-01-04 | 湖北恒沁环保科技有限责任公司 | A kind of muck foundation material and the method using the foundation material construction subgrade |
| CN109133754B (en) * | 2018-11-13 | 2021-05-18 | 湖北恒沁环保科技有限责任公司 | Sludge foundation material and method for constructing roadbed by using foundation material |
| CN109555101A (en) * | 2019-01-22 | 2019-04-02 | 淮阴师范学院 | A kind of soil solidification method of sandy soil layer |
| CN113214835A (en) * | 2021-06-16 | 2021-08-06 | 中国电建集团华东勘测设计研究院有限公司 | Soil curing agent for roadbed filling |
| CN114907088A (en) * | 2022-06-01 | 2022-08-16 | 南京航基电气有限公司 | Soil curing agent and preparation method thereof |
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| CN105272108B (en) | 2017-10-24 |
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