CN103725029A - Ground strengthening agent - Google Patents
Ground strengthening agent Download PDFInfo
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- CN103725029A CN103725029A CN201410005582.2A CN201410005582A CN103725029A CN 103725029 A CN103725029 A CN 103725029A CN 201410005582 A CN201410005582 A CN 201410005582A CN 103725029 A CN103725029 A CN 103725029A
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- raw material
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- polyethylene
- graphite powder
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Abstract
The invention discloses a ground strengthening agent, which is characterized by consisting of the following components in percentage by weight: a. 8.5-12WT% of modified starch super absorbent resin; b. 13-17WT% of polyethylene and high water swelling resin; c. 36-45WT% of cryptocrystalline graphite powder of 150-200 meshes; d. 28-35WT% of calcium-magnesium bentonite; and e. 6-10WT% of silicate cement. The ground strengthening agent disclosed by the invention is specifically applicable to electric system power transmission pole grounding engineering under a high earth resistivity geological environment and an extreme drought geological environment.
Description
Technical field
The present invention relates to a kind of grounding reinforcing agent; Relate in particular to a kind of grounding reinforcing agent being exclusively used in earth work, the earth work being specially adapted under high soil resistivity geologic media and extreme drought geologic media is used.
Background technology
The traditional rod grounded engineering of power system electric transmission pole tower earth work material, mainly adopts the physics resistance-lowering materials such as graphite, electroconductive cement to reduce the power frequency earthing resistance of ground net.This ground connection resistance-lowering material exists following shortcoming in the rod grounded engineering construction of actual electric transmission pole tower: 1, engineering cost is high, difficulty of construction is large: the usage quantity of traditional material is very large, the usage quantity of general single tower bar is at 3 to 4 tons, and because of the basic pit foundation of working-yard tower bar darker, need a large amount of earthwork of backfill, very high for high mountain class electric transmission pole tower its material of bar and cubic metre of earth trucking expenses.Use after material of the present invention, its material usage will reduce 70%, and its backfilling of earthwork amount will reduce by 90% left and right, can significantly reduce engineering cost.2, work-ing life is short, resistance-reducing efficiency is low: traditional material is because containing chlorion electrolyte ingredient in material system, therefore comparatively serious to the corrosion of steel, make less than 15 years mean life, and its various water soluble salts that add easily outflow with water, lose the resistance ability of falling.The selected material of the present invention, can be with not outflowing with water without water-soluble material, therefore falls resistance ability more long-acting, more stable.
Summary of the invention
For making up the deficiencies in the prior art, the invention provides a kind of grounding reinforcing agent, can greatly reduce consumption and the backfilling of earthwork amount of the resistance-lowering material in the rod grounded engineering of electric transmission pole tower, can effectively keep it to fall the long-lasting and stability of resistance ability; Meanwhile, can significantly reduce engineering cost.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of grounding reinforcing agent, comprising: a, treated starch High hydrophilous resin; B, polyethylene and high-water expansion resin; C, 150～200 object aphanitic graphite powder; D, calcium-magnesium base bentonite; E, aluminosilicate cement;
Wherein, the part by weight that each raw material accounts for is:
A, treated starch High hydrophilous resin 8.5～12
wT%;
B, polyethylene and high-water expansion resin 13～17
wT%;
C, 150～200 object aphanitic graphite powder 36～45
wT%;
D, calcium-magnesium base bentonite 28～35
wT%;
E, aluminosilicate cement 6～10
wT%;
Further, preferably, described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 8.5
wT%; B, polyethylene and high-water expansion resin 13
wT%; C, 150～200 object aphanitic graphite powder 36
wT%; D, calcium-magnesium base bentonite 28
wT%; E, aluminosilicate cement 6
wT%;
Further, preferably, described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 12
wT%; B, polyethylene and high-water expansion resin 17
wT%; C, 150～200 object aphanitic graphite powder 45
wT%; D, calcium-magnesium base bentonite 35
wT%; E, aluminosilicate cement 10
wT%;
Further, preferably, described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 10.5
wT%; B, polyethylene and high-water expansion resin 16
wT%; C, 150～200 object aphanitic graphite powder 40
wT%; D, calcium-magnesium base bentonite 31
wT%; E, aluminosilicate cement 8
wT%;
The preparation method who the invention still further relates to this toughener, concrete steps are as follows:
The first step, gets non-absorbent resin raw material c, d, e each 50
wT%; C, d, e raw material are mixed, and uniform stirring 10 minutes, evenly mixes it;
Second step, gets absorbent resin raw material a, b each 100
wT%, mixes a, b raw material, then by the mixing raw material of a, the b mixture the first step, again stirs, and it is evenly mixed;
The 3rd step, adds non-absorbent resin raw material c, d, e each 50 again at second step in the mixing raw material obtaining
wT%, uniform stirring, makes it evenly after mixing, can obtain product of the present invention.
The method of utilizing above-mentioned raw materials to construct in engineering, specifically comprises the following steps:
The first step, will directly pour into after above-mentioned raw materials unpacking in electric transmission pole tower bar foundation pit;
Second step, flattens processing by the above-mentioned raw materials in electric transmission pole tower bar foundation pit;
The 3rd step, after band natural precipitation or artificial recharge, the water-swelling of above-mentioned raw materials nature, fills up whole electric transmission pole tower bar foundation pit;
The 4th step, until the water-swelling of this material and fill up after whole electric transmission pole tower bar foundation pit, carries out backfill with veneer of soil.
Preferably, the described water-swelling time is 48 hours;
Grounding reinforcing agent of the present invention, the rod grounded engineering of power system electric transmission pole tower being specially adapted under high soil resistivity geologic media and extreme drought geologic media is used.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
A kind of grounding reinforcing agent, comprising: a, treated starch High hydrophilous resin; B, polyethylene and high-water expansion resin; C, 150～200 object aphanitic graphite powder; D, calcium-magnesium base bentonite; E, aluminosilicate cement;
Wherein, the part by weight that each raw material accounts for is:
A, treated starch High hydrophilous resin 8.5～12
wT%;
B, polyethylene and high-water expansion resin 13～17
wT%;
C, 150～200 object aphanitic graphite powder 36～45
wT%;
D, calcium-magnesium base bentonite 28～35
wT%;
E, aluminosilicate cement 6～10
wT%;
In embodiment mono-, described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 8.5
wT%; B, polyethylene and high-water expansion resin 13
wT%; C, 150～200 object aphanitic graphite powder 36
wT%; D, calcium-magnesium base bentonite 28
wT%; E, aluminosilicate cement 6
wT%;
In embodiment bis-, described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 12
wT%; B, polyethylene and high-water expansion resin 17
wT%; C, 150～200 object aphanitic graphite powder 45
wT%; D, calcium-magnesium base bentonite 35
wT%; E, aluminosilicate cement 10
wT%;
In embodiment tri-, described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 10.5
wT%; B, polyethylene and high-water expansion resin 16
wT%; C, 150～200 object aphanitic graphite powder 40
wT%; D, calcium-magnesium base bentonite 31
wT%; E, aluminosilicate cement 8
wT%;
The preparation method of toughener of the present invention, concrete steps are as follows:
The first step, gets non-absorbent resin raw material c, d, e each 50
wT%; C, d, e raw material are mixed, and uniform stirring 10 minutes, evenly mixes it;
Second step, gets absorbent resin raw material a, b each 100
wT%, mixes a, b raw material, then by the mixing raw material of a, the b mixture the first step, again stirs, and it is evenly mixed;
The 3rd step, adds non-absorbent resin raw material c, d, e each 50 again at second step in the mixing raw material obtaining
wT%, uniform stirring, makes it evenly after mixing, can obtain product of the present invention.
Embodiment mono-: a kind of grounding reinforcing agent, comprising: a, treated starch High hydrophilous resin; B, polyethylene and high-water expansion resin; C, 150～200 object aphanitic graphite powder; D, calcium-magnesium base bentonite; E, aluminosilicate cement; Described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 8.5
wT%; B, polyethylene and high-water expansion resin 13
wT%; C, 150～200 object aphanitic graphite powder 36
wT%; D, calcium-magnesium base bentonite 28
wT%; E, aluminosilicate cement 6
wT%;
According to above component and weight fraction batching, process powder stirrer is according to first adding approximately 50
wTnon-absorbent resin raw material c, d, the e uniform stirring of %, evenly mix 10 minutes; Add again 100
wT% absorbent resin raw material a, b stir, and finally add 50
wTnon-absorbent resin raw material c, the d of %, e uniform stirring, even mixing obtain this product;
Preparation method is common process method: according to said components, and process material tests → granularity sieving → powder stirrer mixing → uniform stirring → quantitatively encapsulate etc.
Embodiment bis-: a kind of grounding reinforcing agent, comprising: a, treated starch High hydrophilous resin; B, polyethylene and high-water expansion resin; C, 150～200 object aphanitic graphite powder; D, calcium-magnesium base bentonite; E, aluminosilicate cement; Described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 12
wT%; B, polyethylene and high-water expansion resin 17
wT%; C, 150～200 object aphanitic graphite powder 45
wT%; D, calcium-magnesium base bentonite 35
wT%; E, aluminosilicate cement 10
wT%;
Its preparation method is identical with embodiment mono-;
Embodiment tri-: described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 10.5
wT%; B, polyethylene and high-water expansion resin 16
wT%; C, 150～200 object aphanitic graphite powder 40
wT%; D, calcium-magnesium base bentonite 31
wT%; E, aluminosilicate cement 8
wT%;
Its preparation method is identical with embodiment mono-;
The present invention utilizes the water-swelling characteristic of High hydrophilous resin excellence, absorb the moisture content in natural precipitation or artificial recharge and air, soil, then naturally be expanded to the more than 10 times of bulk volume, cover power system electric transmission pole tower bar earthing electrode, form more reliable, stable ground system, can reduce in a large number the artificial backfill of the rod grounded system of electric transmission pole tower and cubic metre of earth trucking costs.
The present invention is the water-swelling characteristic that strengthens High hydrophilous resin, has introduced the High hydrophilous resin of two kinds of difference in functionalitys in formula, and treated starch High hydrophilous resin is mainly used in absorbing moisture, and polyvinyl High hydrophilous resin has been mainly used in water-swelling characteristic.
The present invention fully takes into account the singularity of the rod grounded system of electric transmission pole tower, to added graphite material, according to its conductivity, affinity feature, pH value etc., has selected aphanitic graphite powder and crystalline graphite powder bi-material as main ground connection resistance-lowering material.Can effectively reduce the contact resistance between metallic conductor and soil, be used in conjunction with calcium-magnesium base bentonite class soil gelifying agent, by aluminosilicate cement carry out particle surface fixing after, can make the transition conductive layer between metallic conductor and soil tightr, stable, the corrosion resistance nature that can effectively strengthen metallic conductor, increases the service life.
Claims (5)
1. a grounding reinforcing agent, is characterized in that, comprises following component: a, treated starch High hydrophilous resin; B, polyethylene and high-water expansion resin; C, 150～200 object aphanitic graphite powder; D, calcium-magnesium base bentonite; E, aluminosilicate cement;
Wherein, the part by weight that each raw material accounts for is:
A, treated starch High hydrophilous resin 8.5～12
wT%;
B, polyethylene and high-water expansion resin 13～17
wT%;
C, 150～200 object aphanitic graphite powder 36～45
wT%;
D, calcium-magnesium base bentonite 28～35
wT%;
E, aluminosilicate cement 6～10
wT%.
2. a kind of grounding reinforcing agent according to claim 1, is characterized in that: described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 8.5
wT%; B, polyethylene and high-water expansion resin 13
wT%; C, 150～200 object aphanitic graphite powder 36
wT%; D, calcium-magnesium base bentonite 28
wT%; E, aluminosilicate cement 6
wT%.
3. a kind of grounding reinforcing agent according to claim 1, is characterized in that: described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 12
wT%; B, polyethylene and high-water expansion resin 17
wT%; C, 150～200 object aphanitic graphite powder 45
wT%; D, calcium-magnesium base bentonite 35
wT%; E, aluminosilicate cement 10
wT%.
4. a kind of grounding reinforcing agent according to claim 1, is characterized in that: described raw material parts by weights ratio is: a, treated starch High hydrophilous resin 10.5
wT%; B, polyethylene and high-water expansion resin 16
wT%; C, 150～200 object aphanitic graphite powder 40
wT%; D, calcium-magnesium base bentonite 31
wT%; E, aluminosilicate cement 8
wT%.
5. a preparation method for grounding reinforcing agent, is characterized in that, comprises the following steps:
The first step, gets non-absorbent resin raw material c, d, e each 50
wT%; C, d, e raw material are mixed, and uniform stirring 10 minutes, evenly mixes it;
Second step, gets absorbent resin raw material a, b each 100
wT%, mixes a, b raw material, then by the mixing raw material of a, the b mixture the first step, again stirs, and it is evenly mixed;
The 3rd step, adds non-absorbent resin raw material c, d, e each 50 again at second step in the mixing raw material obtaining
wT%, uniform stirring, makes it evenly after mixing, can obtain product of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005582.2A CN103725029A (en) | 2014-01-07 | 2014-01-07 | Ground strengthening agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005582.2A CN103725029A (en) | 2014-01-07 | 2014-01-07 | Ground strengthening agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103725029A true CN103725029A (en) | 2014-04-16 |
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ID=50449338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410005582.2A Pending CN103725029A (en) | 2014-01-07 | 2014-01-07 | Ground strengthening agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218334A (en) * | 2014-08-15 | 2014-12-17 | 东莞市华炜雷电防护设备有限公司 | Grounding resistance reduction agent and method for lowering corrosion on grounding body due to grounding resistance reduction agent |
| CN114566814A (en) * | 2022-02-24 | 2022-05-31 | 黄冈强源电力设计有限公司 | Grounding flow guide concrete structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492202A (en) * | 2011-12-02 | 2012-06-13 | 北京国电科源电气有限公司 | Intumescent grounding reinforcing agent and preparation method |
-
2014
- 2014-01-07 CN CN201410005582.2A patent/CN103725029A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492202A (en) * | 2011-12-02 | 2012-06-13 | 北京国电科源电气有限公司 | Intumescent grounding reinforcing agent and preparation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218334A (en) * | 2014-08-15 | 2014-12-17 | 东莞市华炜雷电防护设备有限公司 | Grounding resistance reduction agent and method for lowering corrosion on grounding body due to grounding resistance reduction agent |
| CN104218334B (en) * | 2014-08-15 | 2016-06-08 | 东莞市华炜雷电防护设备有限公司 | A kind of reduce method and the grounded resistance reducing agent thereof that grounding body is corroded by grounded resistance reducing agent |
| CN114566814A (en) * | 2022-02-24 | 2022-05-31 | 黄冈强源电力设计有限公司 | Grounding flow guide concrete structure |
| CN114566814B (en) * | 2022-02-24 | 2023-01-03 | 黄冈强源电力设计有限公司 | Grounding flow guide concrete structure |
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Application publication date: 20140416 |