CN102108700B - High polymer grouting directional cleaving drilling tool and pore forming method - Google Patents
High polymer grouting directional cleaving drilling tool and pore forming method Download PDFInfo
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- CN102108700B CN102108700B CN2009102276994A CN200910227699A CN102108700B CN 102108700 B CN102108700 B CN 102108700B CN 2009102276994 A CN2009102276994 A CN 2009102276994A CN 200910227699 A CN200910227699 A CN 200910227699A CN 102108700 B CN102108700 B CN 102108700B
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Abstract
The invention discloses a high polymer grouting directional cleaving drilling tool and a pore forming method. The high polymer grouting directional cleaving drilling tool is a double wing drilling tool, namely a triangle wing is respectively welded at the two sides of a round drill rod at certain angles, wherein the end parts of the round drill rod are conical. When the high polymer grouting directional cleaving drilling tool is used, the static sounding principle is adopted, and the high polymer grouting directional cleaving drilling tool is pressed into a dam body by virtue of a hydraulic device, thus a directional cleaving grouting hole is formed. The high polymer grouting directional cleaving drilling tool and the pore forming method disclosed by the invention have the characteristics of rapid construction, good directional guide effect and less disturbance to a dam, a drilling tool and a process which are matched are provided for a dam seepage control high polymer cleaving grouting technology, and the drilling tool and the method are successfully applied to multiple reservoir dams and dam danger-removing reinforcement projects, thus the drilling tool and the method have great economic benefit and social benefit and a wide development and application prospect.
Description
Technical field
The invention belongs to water resource infrastructure reinforcement technology, relate in particular to dyke seepage control high polymer fracture grouting drilling tool and hole forming method.
Background technology
In recent years, China's water resource infrastructure is built security maintenance and is received the great attention of governments at all levels and the extensive concern of the whole society, and the engineering safety situation is very severe.At present, all kinds of reservoirs that built in China becomes reach more than 8.6 ten thousand, and its quantity occupies first place in the world.But in the reservoir that has built up, 40% small reservoir, 25% big-and-middle-sized reservoir belong to dangerously weak reseroirs.Since 1954, about 3500 of big or small dam-break accident takes place in China altogether.In addition, about 280,000 kilometers of dyke building has been built up in the whole nation, but there is multiple diseases in a large amount of dyke.Dangerously weak reseroirs, sick dangerous dyke have caused great threat to the people's lives and property, also are the weak links of flood control safety in flood season in every year.
Infiltration is the common potential safety hazards of dykes and dams, also is one of principal element that causes dam-break accident.Therefore, the dyke seepage control technology receives extensive attention always.In existing dyke seepage control reinforcement means, the cement fracture grouting is a method relatively more commonly used in the engineering.But there is following major defect in this method:
(1) engineering time is longer;
(2) damage to dam structure is bigger;
(3) in the dyke seepage control, require on axis of dam direction, to form continuous curtain, and the slurries range of scatter of cement fracture grouting is wayward, is difficult to guarantee to form continuous antiseepage body;
(4) in dam body, form the fragility body of wall behind the sludge consolidating, bigger with the stiffness differences of the soil body, be out of shape inharmoniously, cracking destruction takes place easily.
Therefore, existing fracture grouting method can not satisfy the demand that current dyke seepage control is reinforced, and development of new, the dyke seepage control technology has become the task of top priority efficiently.
The high polymer grouting technology is the foundation rapid reinforcement technology that new development is got up.This technology is through injecting high polymer material in ground, utilize the characteristic that volume expands and solidifies rapidly behind the high polymer material generation chemical reaction, reaches consolidated subsoil, fills the purpose of coming to nothing or promoting the floor.At present, the high polymer grouting technology is mainly used in the ground stabilization and the road maintenance of industry and civilian construction.Very few about dyke seepage control high polymer grouting technological achievement, and be confined to newly repair punishment of the engineering dam foundation or local leak stopping.Aspect the continuous seepage prevention system structure of dam body, do not see high polymer grouting technological achievement report both at home and abroad as yet.
The inventor finds through a large amount of high polymer grouting field trials, adopts common circular pore-forming mode, and high polymer material is always rived the soil body or dam body after the slip casting along certain direction, and forms continuous high polymer thin slice body.This is because the soil body or dam body are heterogeneous materials, and the expansion force that high polymer grouting produces makes the soil body rive along the most weak stress surface.But because the complexity of soil property, the splitting surface direction after the slip casting is uncontrollable.If by certain direction splitting, then high polymer grouting is promptly rived the soil body or dam body along this direction with circular hole.
Mechanism in view of the above, the inventor has developed dyke seepage control high polymer fracture grouting method.This method proposes orientation first and splits the notion in hole and developed the directed fracture grouting method of high polymer.Its basic principle is: at first axially form directed splitting hole with a determining deviation along dam body, in the splitting hole, inject high polymer material then; Volume expands rapidly behind the high polymer material generation chemical reaction, and the expansion force of generation is rived dam body along the direction of splitting hole guiding, is connected to form ultrathin high polymer seepage prevention system, thereby reaches the purpose of dyke seepage control.With traditional dyke seepage control compared with techniques, this method have quick construction, good seepage-proof property, cost low, to characteristics such as the dykes and dams disturbance is little, started and constructed dyke seepage control system new way.The inventor is with this method application national inventing patent (application number: 200910066334.8) at present.
Directed splitting drilling tool and hole forming method are the bases that dyke seepage control high polymer fracture grouting method is implemented.Because dyke seepage control high polymer fracture grouting technology is a brand-new technology, therefore do not see relevant report at present at home and abroad as yet about directed splitting drilling tool and hole forming method.
Summary of the invention
The present invention has created directed splitting drilling tool of high polymer grouting and hole forming method according to the theory in the directed splitting of structure hole in dam body, and the enforcement technological for dyke seepage control high polymer fracture grouting provides efficient, practical relevant equipment and technology.
The present invention realizes through following technical scheme:
The directed splitting drilling tool of high polymer grouting is the double airfoil type drilling tool, promptly respectively welds a leg-of-mutton wing in the round drill rod both sides; Round drill rod diameter D is 40-50mm, and the round drill rod end is tapered; The wing of round drill rod both sides is the equilateral triangle steel plate that cutting edge is arranged of symmetry welding, and its thickness is 5-10mm, and length of side L is 60-80mm; Angle is the 140-160 degree between the both wings.
The directed splitting hole forming method of high polymer grouting is to utilize the directed splitting drilling tool of high polymer grouting, adopts the static sounding principle through hydraulic means the directed splitting drilling tool of high polymer grouting to be pressed in the dam body.
The practical implementation step is:
(1) cloth hole
At the monolith that needs antiseepage to dispose, lay directed fracture grouting hole with a determining deviation along axis of dam direction; The concave surface in fracture grouting hole is towards upstream face;
(2) pore-forming
Be the basis with the static sounding principle, directed splitting drilling tool be pressed in the dam body to desired depth, form directed fracture grouting hole through hydraulic means.
Directed splitting drilling tool of the high polymer grouting of the present invention's exploitation and hole forming method have the following advantages:
(1) guided bone is good.Directed splitting drilling tool with special is constructed directed splitting hole in dam body, realize the high polymer grouting material along channeling direction with the dam body splitting.
(2) quick construction.Through hydraulic system drilling tool is pressed in the dam body, rapidly pore-forming.
(3) little to the dykes and dams disturbance.Use directed splitting drilling tool of the present invention and static(al) and be pressed into hole forming method, can make up ultrathin high polymer seepage prevention system fast, little to the dykes and dams disturbance.
In sum; The inventor has created the directed splitting drilling tool of high polymer grouting and static(al) is pressed into hole forming method at home; Have quick construction, directional guide effective, to characteristics such as the dykes and dams disturbance is little; For dyke seepage control high polymer fracture grouting technology provides supporting drilling tool and technology, and be successfully applied to multinomial reservoir dam and dyke reinforcement engineering, demonstrate huge economical, societal benefits and wide development and application prospect.
Description of drawings
The directed splitting drilling tool structure of Fig. 1 sketch map;
Fig. 2 is the vertical view of Fig. 1;
The directed fracture grouting of Fig. 3 hole layout plan;
Fig. 4 static(al) is pressed into the hole forming method sketch map.
The specific embodiment
Embodiment: the directed splitting drilling tool of high polymer grouting of the present invention is the double airfoil type drilling tool, promptly respectively welds a leg-of-mutton wing 2 in round drill rod 1 both sides; Round drill rod 1 diameter D is 40-50mm, and the awl point angle of round drill rod 1 end is the 30-60 degree; The wing 2 of round drill rod 1 both sides is the triangle steel plate that cutting edge is arranged of symmetry welding, and its thickness is 5-10mm, and length of side L is 60-80mm; Angle is the 140-160 degree between the both wings 2.
The concrete size of the directed splitting drilling tool of high polymer grouting can suitably be adjusted according to soil body characteristic.
The directed splitting hole forming method of high polymer grouting is to utilize the directed splitting drilling tool of high polymer grouting, adopts the static sounding principle through hydraulic means the directed splitting drilling tool of high polymer grouting to be pressed in the dam body.
The practical implementation step is:
(1) cloth hole
At the monolith that needs antiseepage to dispose, lay directed fracture grouting hole with a determining deviation along axis of dam direction.The concave surface in fracture grouting hole is towards upstream face; The injected hole spacing should be confirmed according to field trial, be generally about 1.0 meters.As shown in Figure 3.
(2) pore-forming
Because directed splitting hole is not circular, can not adopt the mode pore-forming of rotary drilling.The present invention proposes the hole forming method that static(al) is pressed into for this reason, promptly adopts the static sounding principle through hydraulic means 3 drilling tool to be pressed in the dam body 4 to desired depth, forms directed fracture grouting hole 5.As shown in Figure 4.Like this, after high polymer material was injected into directed splitting hole, the expansion force of generation can be rived the direction of dam body guiding along the splitting hole.Material is filled the crack subsequently, and the expansion force of generation is with the further splitting of dam body.
Claims (2)
1. the directed splitting drilling tool of a high polymer grouting, it is characterized in that: the directed splitting drilling tool of said high polymer grouting is the double airfoil type drilling tool, promptly respectively welds a leg-of-mutton wing in the round drill rod both sides; Round drill rod diameter D is 40-50mm, and the round drill rod end is tapered; The wing of round drill rod both sides is the triangle steel plate that is symmetrically welded with cutting edge, and its thickness is 5-10mm, and length of side L is 60-80mm; Angle is the 140-160 degree between the both wings.
2. hole forming method that adopts the directed splitting drilling tool of high polymer grouting as claimed in claim 1; It is characterized in that: utilize the directed splitting drilling tool of high polymer grouting, adopt the static sounding principle the directed splitting drilling tool of high polymer grouting to be pressed in the dam body through hydraulic means;
The practical implementation step is:
(1) cloth hole
At the monolith that needs antiseepage to dispose, lay directed fracture grouting hole with a determining deviation along axis of dam direction; The concave surface in fracture grouting hole is towards upstream face;
(2) pore-forming
Be the basis with the static sounding principle, directed splitting drilling tool be pressed in the dam body to desired depth, form directed fracture grouting hole through hydraulic means.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102276994A CN102108700B (en) | 2009-12-29 | 2009-12-29 | High polymer grouting directional cleaving drilling tool and pore forming method |
| US12/721,395 US8182178B2 (en) | 2009-11-02 | 2010-03-10 | Directional fracture grouting method with polymer for seepage control of dikes and dams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102276994A CN102108700B (en) | 2009-12-29 | 2009-12-29 | High polymer grouting directional cleaving drilling tool and pore forming method |
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| Publication Number | Publication Date |
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| CN102108700A CN102108700A (en) | 2011-06-29 |
| CN102108700B true CN102108700B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102276994A Active CN102108700B (en) | 2009-11-02 | 2009-12-29 | High polymer grouting directional cleaving drilling tool and pore forming method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425199B (en) * | 2011-09-26 | 2013-08-07 | 郑州优特基础工程维修有限公司 | Tri-cone-head pressing grooving plate and grouting slot construction method |
| CN110331698A (en) * | 2019-06-11 | 2019-10-15 | 徐州工程学院 | A kind of system that polyurethane formation curtain was constructed and be rapidly injected to casement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183441Y (en) * | 1994-01-28 | 1994-11-23 | 关树杰 | Directional splitting combined drilling tool |
| KR100584237B1 (en) * | 2005-10-18 | 2006-05-26 | 강원길엔지니어링(주) | The establishment construction of device for prevention the sweep of river bank |
| CN101182710A (en) * | 2007-11-02 | 2008-05-21 | 冶金工业部建筑研究总院深圳分院 | Spray grouting method and spray grouting boring tool |
| CN101261263A (en) * | 2007-03-09 | 2008-09-10 | 郑州大学 | Roadbed defect recognition and high polymer grouting rapid reinforcement technology |
| CN201212147Y (en) * | 2008-06-23 | 2009-03-25 | 何世鸣 | Combination drill tool for long screwy jet grouting and stirring pile |
-
2009
- 2009-12-29 CN CN2009102276994A patent/CN102108700B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2183441Y (en) * | 1994-01-28 | 1994-11-23 | 关树杰 | Directional splitting combined drilling tool |
| KR100584237B1 (en) * | 2005-10-18 | 2006-05-26 | 강원길엔지니어링(주) | The establishment construction of device for prevention the sweep of river bank |
| CN101261263A (en) * | 2007-03-09 | 2008-09-10 | 郑州大学 | Roadbed defect recognition and high polymer grouting rapid reinforcement technology |
| CN101182710A (en) * | 2007-11-02 | 2008-05-21 | 冶金工业部建筑研究总院深圳分院 | Spray grouting method and spray grouting boring tool |
| CN201212147Y (en) * | 2008-06-23 | 2009-03-25 | 何世鸣 | Combination drill tool for long screwy jet grouting and stirring pile |
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| CN102108700A (en) | 2011-06-29 |
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Effective date of registration: 20130618 Address after: Bamboo high tech Development Zone in Henan Province, Zhengzhou City, 450000 street, No. 100 and No. 10 Liyuan Sheng Yuan Building 1 unit 8 Patentee after: Henan Bote Engineering Protection Co., Ltd. Address before: 450016 A6 villa Green, No. 1369 East navigation road, Zhengzhou economic and Technological Development Zone, Zhengzhou, Henan Patentee before: Zhengzhou Youte Infrastructure Engineering Maintainance Co., Ltd. |
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Effective date of registration: 20160601 Address after: 450000 Zhengzhou province Jinshui District, Henan Cultural Road, building 48, building 39, No. 33 Patentee after: Wang Fuming Address before: Bamboo high tech Development Zone in Henan Province, Zhengzhou City, 450000 street, No. 100 and No. 10 Liyuan Sheng Yuan Building 1 unit 8 Patentee before: Henan Bote Engineering Protection Co., Ltd. |