CN105906299A - Novel soft soil reinforcing material - Google Patents
Novel soft soil reinforcing material Download PDFInfo
- Publication number
- CN105906299A CN105906299A CN201610212355.6A CN201610212355A CN105906299A CN 105906299 A CN105906299 A CN 105906299A CN 201610212355 A CN201610212355 A CN 201610212355A CN 105906299 A CN105906299 A CN 105906299A
- Authority
- CN
- China
- Prior art keywords
- soft soil
- cement
- tailings sand
- waterglass
- portland cement
- 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
- 239000002689 soil Substances 0.000 title claims abstract description 33
- 239000012779 reinforcing material Substances 0.000 title abstract 5
- 239000004576 sand Substances 0.000 claims abstract description 41
- 239000011398 Portland cement Substances 0.000 claims abstract description 30
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 27
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004568 cement Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 37
- 239000011574 phosphorus Substances 0.000 claims description 37
- 229910052698 phosphorus Inorganic materials 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 27
- 230000002787 reinforcement Effects 0.000 claims description 25
- 238000005516 engineering process Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002367 phosphate rock Substances 0.000 abstract 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 abstract 3
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
Abstract
The invention discloses a novel soft soil reinforcing material. The novel soft soil reinforcing material is prepared from Portland cement, water glass, phosphorite tailing sand and water in proportion through sufficient mixing under stirring, wherein a mass ratio of the phosphorite tailing sand to the Portland cement is 0 to 60%, a water cement ratio is 0.5 to 0.75 in terms of the mass of cement, and the water glass accounts for 0 to 5% to in terms of the volume of mortar formed by cement and the phosphorite tailing sand. According to the invention, the strength of the soft soil reinforcing material is improved; the purpose of grouting is achieved; the waste is reutilized; manufacturing cost is lowered; and the effect of environmental protection is obtained. The novel soft soil reinforcing material has the characteristics of short coagulation time, high strength, low cost and environmental protection.
Description
Technical field
The present invention relates to reinforcement of soft soil field of material technology, a kind of applying solid garbage improves the novel reinforcement of soft soil material of intensity.
Background technology
Weak soil refers generally to the soft cohesive soil moulding a liquid-plastic state that water content is high, void ratio is big, compressibility is high, permeability is low, highly sensitive, bearing capacity is low, carries out needing during various engineering construction to process soft soil foundation and ensure its treatment effect simultaneously on soft soil foundation；High-rise and high-rise building is built a large amount of, and the excavation of foundation pit degree of depth is deepened therewith, for the harmful effect avoiding excavation of foundation pit to produce peripheral facilities, foundation ditch is gone along with sb. to guard him requirement and improves, in the urgent need to weak soil is carried out effective reinforcing.Rapid hardening reinforcement material price is costly at present, restricts its extensive application in engineering.
Lianyun Harbour Jinping Phosphate Mine is one of the whole nation six big phosphorus ores, and Jinping Phosphate Mine creates substantial amounts of CHARACTERISTICS OF TAILINGS SAND, has formed long-pending about 3 km of a seat surface2, the tailing dam of thickness about 5～20 m, store up CHARACTERISTICS OF TAILINGS SAND about 30,000,000 t in current Tailings Dam, add up to about 19,000,000 m3.2006, silk screen Tailings Dam is listed in Jiangsu Province ten big one of major hazard source and major hidden danger, how to improve the comprehensive utilization ratio of phosphorus CHARACTERISTICS OF TAILINGS SAND, eliminating its impact on surrounding area as early as possible is a problem in the urgent need to address with harm, has great importance the life ensureing nearby residents with property safety.
In currently available technology, rapid hardening reinforcement material price is costly, restricts its extensive application in engineering.
Summary of the invention
It is an object of the invention to provide that a kind of setting time is short, intensity is high, cost is low and the novel reinforcement of soft soil material of environmental protection.
The technical solution realizing the object of the invention is:
A kind of novel reinforcement of soft soil material, it is characterised in that: by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carry out being sufficiently mixed stirring in proportion and form；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 0 ~ 60%；The ratio of mud is calculated as 0.5 ~ 0.75 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 0 ~ 5%.
Preferably, by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carry out being sufficiently mixed stirring in proportion and form；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 20 ~ 60%；The ratio of mud is calculated as 0.6 ~ 0.7 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 1 ~ 3%.
Preferably, by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carry out being sufficiently mixed stirring in proportion and form；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 50%；The ratio of mud is calculated as 0.65 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 1%.
Preferably, described portland cement uses common 425 portland cements that the technology that meets requires.
Preferably, the modulus that described waterglass uses is 3.1 ~ 3.4, and Baume degrees is 38 degree.
Preferably, described water is ordinary skill water.
The present invention compared with prior art, its remarkable advantage: the present invention novel reinforcement of soft soil material not only increases the intensity of reinforcement of soft soil material, reaches slip casting purpose, and achieves twice laid, reduce manufacturing cost, has reached the effect of environmental protection；And the present invention novel reinforcement of soft soil material has, and setting time is short, intensity is high, cost is low, the feature of environmental protection.
Below the present invention is described in further detail.
Detailed description of the invention
Embodiment 1:
A kind of novel reinforcement of soft soil material, by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carries out being sufficiently mixed stirring in proportion and forms；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 0 ~ 60%；The ratio of mud is calculated as 0.5 ~ 0.75 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 0 ~ 5%.
Weigh portland cement, phosphorus CHARACTERISTICS OF TAILINGS SAND, water in proportion, portland cement, phosphorus CHARACTERISTICS OF TAILINGS SAND, water be sufficiently stirred in blender, make uniform slurry, measure quantitative waterglass by the volume of this slurry, be mixed in this slurry, be again stirring for uniformly,.
The material mixed is put in the cube mold that the length of side is 70.7mm, moulding material is put in standard curing box after form removal and carry out maintenance, test 1d, 3d, 7d, 28d intensity respectively.
Embodiment 2:
A kind of novel reinforcement of soft soil material, by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carries out being sufficiently mixed stirring in proportion and forms；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 35%:65%；The ratio of mud is calculated as 0.5 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 1%；Respectively test 1d intensity be 14.5MPa, 3d intensity be 24.5 MPa, 7d intensity is 31.46 MPa, and 28d intensity is 38.99.
Embodiment 3:
A kind of novel reinforcement of soft soil material, by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carries out being sufficiently mixed stirring in proportion and forms；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 35%:65%；The ratio of mud is calculated as 0.5 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 2%；Respectively test 1d intensity be 14.07MPa, 3d intensity be 21.22MPa, 7d intensity be 29.79MPa, 28d intensity be 36.76.
Embodiment 4:
A kind of novel reinforcement of soft soil material, by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carries out being sufficiently mixed stirring in proportion and forms；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 50%:50%；The ratio of mud is calculated as 0.6 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 1%；Respectively test 1d intensity be 10.24MPa, 3d intensity be 20.02 MPa, 7d intensity is 25.41 MPa, and 28d intensity is 30.38 MPa.
Embodiment 5:
A kind of novel reinforcement of soft soil material, by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carries out being sufficiently mixed stirring in proportion and forms.Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 50%:50%；The ratio of mud is calculated as 0.6 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 2%；Respectively test 1d intensity be 9.97MPa, 3d intensity be 18.98 MPa, 7d intensity is 22.48 MPa, and 28d intensity is 29.05MPa.
In sum, the present invention novel reinforcement of soft soil material not only increases the intensity of reinforcement of soft soil material, reaches slip casting purpose, and achieves twice laid, reduce manufacturing cost, has reached the effect of environmental protection；And the present invention novel reinforcement of soft soil material has, and setting time is short, intensity is high, cost is low, the feature of environmental protection.In order to coordinate different engine requests, its initial set, final setting time, intensity all can be able to adjust in certain limit along with the change of match ratio；The present invention novel reinforcement of soft soil material can adjust match ratio, adjusts its setting time and intensity, is widely used in various reinforcing and Grouting engineering.
Claims (6)
1. a novel reinforcement of soft soil material, it is characterised in that: by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carry out being sufficiently mixed stirring in proportion and form；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 0 ~ 60%；The ratio of mud is calculated as 0.5 ~ 0.75 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 0 ~ 5%.
Novel reinforcement of soft soil material the most according to claim 1, it is characterised in that: by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carry out being sufficiently mixed stirring in proportion and form；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 20 ~ 60%；The ratio of mud is calculated as 0.6 ~ 0.7 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 1 ~ 3%.
Novel reinforcement of soft soil material the most according to claim 1, it is characterised in that: by portland cement, waterglass, phosphorus CHARACTERISTICS OF TAILINGS SAND, water, carry out being sufficiently mixed stirring in proportion and form；Wherein phosphorus CHARACTERISTICS OF TAILINGS SAND and portland cement mass ratio are 50%；The ratio of mud is calculated as 0.65 with cement quality, and the mortar volume that waterglass is formed with cement and phosphorus CHARACTERISTICS OF TAILINGS SAND is calculated as 1%.
Novel reinforcement of soft soil material the most according to claim 1, it is characterised in that: described portland cement uses common 425 portland cements that the technology that meets requires.
Novel reinforcement of soft soil material the most according to claim 1, it is characterised in that: the modulus that described waterglass uses is 3.1 ~ 3.4, and Baume degrees is 38 degree.
Novel reinforcement of soft soil material the most according to claim 1, it is characterised in that: described water is ordinary skill water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212355.6A CN105906299A (en) | 2016-04-07 | 2016-04-07 | Novel soft soil reinforcing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212355.6A CN105906299A (en) | 2016-04-07 | 2016-04-07 | Novel soft soil reinforcing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105906299A true CN105906299A (en) | 2016-08-31 |
Family
ID=56744642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610212355.6A Pending CN105906299A (en) | 2016-04-07 | 2016-04-07 | Novel soft soil reinforcing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105906299A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630907A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Reinforcing material and preparation method thereof |
| CN108585745A (en) * | 2018-03-30 | 2018-09-28 | 沈阳工业大学 | Dual-liquid slip-casting material and method for Reinforcement of Soft Soil Subgrade |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717213A (en) * | 2009-11-27 | 2010-06-02 | 上海市建筑科学研究院(集团)有限公司 | Soil body reinforcing agent and preparation method and application thereof |
| CN103130476A (en) * | 2013-03-18 | 2013-06-05 | 江苏坤泽科技股份有限公司 | Ocean dredging sludge composite solidified material |
| CN103553541A (en) * | 2013-10-08 | 2014-02-05 | 重庆建工市政交通工程有限责任公司 | Pile bottom sediment curing agent |
| CN104310941A (en) * | 2014-10-15 | 2015-01-28 | 河北工业大学 | Alkali residue based grouting filling material |
-
2016
- 2016-04-07 CN CN201610212355.6A patent/CN105906299A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717213A (en) * | 2009-11-27 | 2010-06-02 | 上海市建筑科学研究院(集团)有限公司 | Soil body reinforcing agent and preparation method and application thereof |
| CN103130476A (en) * | 2013-03-18 | 2013-06-05 | 江苏坤泽科技股份有限公司 | Ocean dredging sludge composite solidified material |
| CN103553541A (en) * | 2013-10-08 | 2014-02-05 | 重庆建工市政交通工程有限责任公司 | Pile bottom sediment curing agent |
| CN104310941A (en) * | 2014-10-15 | 2015-01-28 | 河北工业大学 | Alkali residue based grouting filling material |
Non-Patent Citations (1)
| Title |
|---|
| 赵晓晴等: ""掺磷尾矿的海淤固化土路堤强度影响因素研究"", 《公路》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630907A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Reinforcing material and preparation method thereof |
| CN108585745A (en) * | 2018-03-30 | 2018-09-28 | 沈阳工业大学 | Dual-liquid slip-casting material and method for Reinforcement of Soft Soil Subgrade |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160831 |