CN110241821A - A kind of barb-type soil bolt and its construction method - Google Patents
A kind of barb-type soil bolt and its construction method Download PDFInfo
- Publication number
- CN110241821A CN110241821A CN201910520524.6A CN201910520524A CN110241821A CN 110241821 A CN110241821 A CN 110241821A CN 201910520524 A CN201910520524 A CN 201910520524A CN 110241821 A CN110241821 A CN 110241821A
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- Prior art keywords
- steel pipe
- stalloy
- soil
- barb
- slurry outlet
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of barb-type soil bolts, including a steel pipe, steel pipe is exposed to be equipped with screw thread in soil body outboard end, and equipped with backing plate, nut, stop grouting plug, the steel pipe is set every one section there are four slurry outlet, and slurry outlet is arranged around steel pipe in cruciform symmetry, is welded with stalloy by each slurry outlet, stalloy and steel pipe are in 30 degree, and are tilted around；One end that the steel pipe protrudes into the soil body is welded with metal hemispherical nut cap, is uniformly provided with several grout outlets in nut cap.The structure makes finally formed structure be hangnail type, can increase the cohesive force of soil bolt Yu the periphery soil body, and tensile capacity is stronger, and easy for construction, convenient for operation.
Description
Technical field
The present invention relates to base pit engineering field more particularly to a kind of barb-type soil bolt and its construction methods.
Background technique
Soil bolt is that one kind bears rod piece, its one end and soil blocking pile, retaining wall or engineering structure are coupled, the other end
It is anchored in soil layer, to maintain the stabilization of structures and the soil layer of institute's supporting.Soil bolt can simplify foundation structure, make structure
Lightly, reasonable stress, and have the advantages that account for place less, shorten the construction period, reduce cost.It may be used as deep-cutting the interim of foundation pit crater wall
Supporting can also be used as the permanent basis of engineering structure.It is used on the soil-baffling structure of house foundation pit, it can effective ground resistance
Only surrounding soil layer is collapsed, is displaced and settled.
But used soil bolt simple structure at present, when around soil bolt being soft soil property, soil bolt
Lower with the cohesive force of the periphery soil body, tensile capacity is weaker, is unable to satisfy engineering practice.
Summary of the invention
To solve the above-mentioned problems, needle of the present invention proposes a kind of barb-type soil bolt and its construction method, and structure is simple,
It is easy for construction.
The specific technical proposal of the invention is:
A kind of barb-type soil bolt, including a steel pipe, steel pipe it is exposed soil body outboard end be equipped with screw thread, and equipped with
Backing plate, nut, stop grouting plug, the steel pipe are set every one section there are four slurry outlet, and slurry outlet is arranged around steel pipe in cruciform symmetry
Cloth is welded with stalloy by each slurry outlet, and stalloy and steel pipe are in 30 degree, and are tilted around；The steel pipe protrudes into soil
One end of body is welded with metal hemispherical nut cap, is uniformly provided with several grout outlets in nut cap.
Further, when not carrying out mortar depositing construction, four stalloy outer sheaths in the same section are equipped with annular
Rubber ferrule, due to the elastic reaction of ring-shaped rubber hoop, stalloy, which is pressurized, is close to outer wall of steel pipe, covers slurry outlet, prevents ground anchor
Bar is inserted into during the soil body, and native slag enters in steel pipe.
Further, when not carrying out mortar depositing construction, it is also enclosed with sealing TR thin rubber set on the outside of the hemispherical nut cap, is prevented
Soil bolt is inserted into during the soil body, and native slag is entered in steel pipe by grout outlet.
Further, the hemisphere nut cap is weldingly fixed on steel pipe by the independent machine-shaping of factory.
A kind of construction method of barb-type soil bolt, comprising the following steps:
1) it according to geological conditions, design requirement, field condition etc., selects suitable mechanical；
2) barb-type soil bolt is integrally pressed into the soil body, the pressure due to stalloy by ring-shaped rubber hoop acts on, and makes
It obtains stalloy and is close to outer wall of steel pipe, and cover slurry outlet, prevent native slag from entering slurry outlet；And hemispherical nut cap is by the thin rubber of sealing
Gum cover package, prevents native slag from entering steel duct.
3) stop grouting plug is installed in aperture；
4) high pressure slurries are injected to steel duct, under pressure at this time, slurries are to the stalloy for being covered on slurry outlet
Pressure is generated, stalloy opens around, so that ring-shaped rubber hoop is broken, stalloy is initially with 30 degree of welded corner joints in steel pipe
On, at this point, mud can be spouting around with 30 degree of angle；
Sealing TR thin rubber set in the hemispherical nut cap mud spouting by the grout outlet being arranged in hemisphere nut cap
Under slurry effect, TR thin rubber covers Natural Ruptures, and mud sprays outward；
5) when mud to be implanted is to established standards, stop slip casting；
6) after mud solidifies, backing plate is covered in soil body outboard end steel pipe is exposed, tightens nut；
7) shaping structures.
Compared with prior art, advantages of the present invention are as follows: barb-type soil bolt structure of the invention is simple, production side
Just, which makes finally formed structure be hangnail type, can increase the cohesive force of soil bolt Yu the periphery soil body, tension energy
Power is stronger, and easy for construction, convenient for operation；Barb-type ground anchor of the invention simultaneously is further provided with sealing TR thin rubber set and annular
Rubber ferrule, soil slag, which enters in steel pipe, when anchor pole being effectively prevent to be inserted into soil layer results in blockage.
Detailed description of the invention
Fig. 1 is the present invention in non-slip casting pre-structure schematic diagram；
CONSTRUCTED SPECIFICATION enlarged drawing when Fig. 2 is non-slip casting of the invention；
Fig. 3 is the Section A-A figure of Fig. 1；
Fig. 4 is present invention structural schematic diagram in slip casting；
Fig. 5 is present invention CONSTRUCTED SPECIFICATION enlarged drawing in slip casting；
Fig. 6 is the effect picture after slip casting；
In figure: 1. steel pipe, 2. stop grouting plug, 3. backing plate, 4. nut, 5. TR thin rubber covers 6. metal hemispherical nut cap, 7. pulp
10. ring-shaped rubber hoop of mouth 8. stalloy, 9. slurry outlet, 11. mud.
Specific embodiment
The present invention is further described through with reference to the accompanying drawings of the specification.
A kind of Fig. 1-barb-type soil bolt shown in fig. 6, main body is a steel pipe 1, and steel pipe 1 is exposed on the outside of the soil body
End is equipped with screw thread, and equipped with backing plate 3, nut 4, stop grouting plug 2.
Steel pipe 1 is set every one section there are four slurry outlet 9, and slurry outlet 9 arranges in cruciform symmetry around steel pipe 1, in this way may be used
To guarantee that mud slurry uniform sprays.Stalloy 8 is welded with by each slurry outlet 9 simultaneously, Bao Gang 8 are in 30 degree with steel pipe 1, and to
Surrounding tilts, this is that the same mud ejection is disorderly to splash, and can spray along stalloy 8 final solidified at reversed acanthoid.Exist simultaneously
One end that steel pipe 1 protrudes into the soil body is welded with metal hemispherical nut cap 6, and several grout outlets 7, such soil layer are uniformly provided in nut cap 6
Rock bolt head can also spray mud.
As shown in Figure 1, 2, when not carrying out mortar depositing construction, four stalloys 8 in same section are entangled with ring-shaped rubber hoop 10,
At this time due to the elastic reaction of ring-shaped rubber hoop 1, four stalloys 8 in same section, which are pressurized, is close to 1 outer wall of steel pipe, and covers out
Hole 9 is starched, prevents soil bolt to be inserted into during the soil body, native slag enters in steel pipe 1.Hemispherical nut cap 6 simultaneously is by sealing TR thin rubber
5 package of set, prevents soil bolt to be inserted into during the soil body, native slag is entered in steel pipe 1 by grout outlet 7.
Above-mentioned hemisphere nut cap 6 can finally be welded in one end that steel pipe 1 protrudes into the soil body by the independent machine-shaping of factory.
In conjunction with above-mentioned barb-type soil bolt, a kind of construction method of barb-type soil bolt, comprising the following steps:
1) it according to geological conditions, design requirement, field condition etc., selects suitable mechanical；
2) barb-type soil bolt is integrally pressed into the soil body.Pressure due to stalloy 8 by ring-shaped rubber hoop 10 acts on,
So that stalloy 8 is close to 1 outer wall of steel pipe, and slurry outlet 9 is covered, prevents native slag from entering slurry outlet 9；And hemispherical nut cap 6 by
5 package of sealing TR thin rubber set, prevents native slag from entering inside steel pipe 1；
3) stop grouting plug 2 is installed in aperture；
4) high pressure slurries are injected inside Xiang Gangguan 1, under pressure at this time, slurries are to the thin steel for being covered on slurry outlet 9
Piece 8 generates pressure, and stalloy 8 opens around, so that ring-shaped rubber hoop 10 is broken, stalloy 8 is initially with 30 degree of welded corner joints
On steel pipe 1, at this point, mud 11 can be spouting around with 30 degree of angle.Sealing TR thin rubber set in hemispherical nut cap 6
Under 5 are acted on by the spouting mud 11 of the grout outlet 7 being arranged in hemisphere nut cap 6, TR thin rubber covers 5 Natural Ruptures, mud
The injection outward of slurry 11；
5) when mud to be implanted is to established standards, stop slip casting；
6) after mud solidifies, backing plate 3 is covered in soil body outboard end steel pipe 1 is exposed, tightens nut 4；
7) shaping structures.
Effect picture after slip casting as shown in FIG. 6, the present invention can form hangnail after constructing, and hangnail can increase soil layer
The cohesive force of anchor pole and the periphery soil body, tensile capacity is stronger, and easy for construction, convenient for operation.
Claims (5)
1. a kind of barb-type soil bolt, including a steel pipe (1), steel pipe (1) is exposed to be equipped with screw thread in soil body outboard end, and matches
Have backing plate (3), nut (4), stop grouting plug (2), which is characterized in that the steel pipe (1) is set every one section there are four slurry outlet
(9), slurry outlet (9) is arranged around steel pipe (1) in cruciform symmetry, is welded with stalloy (8) by each slurry outlet (9), thin
Steel disc (8) and steel pipe (1) are in 30 degree, and are tilted around；One end that the steel pipe (1) protrudes into the soil body is welded with metal hemispherical
Nut cap (6) is uniformly provided with several grout outlets (7) in nut cap.
2. a kind of barb-type soil bolt according to claim 1, characterized in that described when not carrying out mortar depositing construction
Same section four stalloy (8) outer sheaths be equipped with ring-shaped rubber hoop (10), due to ring-shaped rubber hoop (10) elasticity make
With stalloy (8), which is pressurized, is close to steel pipe (1) outer wall, covers slurry outlet (9), prevents soil bolt to be inserted into during the soil body, native slag
In into steel pipe (1).
3. a kind of barb-type soil bolt according to claim 1, characterized in that described when not carrying out mortar depositing construction
It is also enclosed with sealing TR thin rubber set (5) on the outside of hemispherical nut cap (6), prevents soil bolt to be inserted into during the soil body, native slag passes through
Grout outlet enters in steel pipe (1).
4. a kind of barb-type soil bolt according to claim 1, characterized in that the hemisphere nut cap (6) is by factory
Independent machine-shaping is weldingly fixed on steel pipe (1).
5. a kind of construction method of barb-type soil bolt according to claim 1-4, characterized in that including with
Lower step:
1) it according to geological conditions, design requirement, field condition etc., selects suitable mechanical；
2) barb-type soil bolt being integrally pressed into the soil body, the pressure due to stalloy (8) by ring-shaped rubber hoop (10) acts on,
So that stalloy (8) is close to steel pipe (1) outer wall, and slurry outlet (9) are covered, prevents native slag from entering slurry outlet (9)；Hemispherical simultaneously
Nut cap (6) is also wrapped up by sealing TR thin rubber set (5), prevents native slag from entering steel pipe (1) internal.
3) aperture installation stop grouting plug (2)；
4) high pressure slurries are injected inside Xiang Gangguan (1), under pressure at this time, slurries are to the stalloy for being covered on slurry outlet
(8) pressure is generated, stalloy (8) opens around, so that ring-shaped rubber hoop is broken, stalloy (8) is initially with 30 degree of fillet welding
It connects on steel pipe, at this point, mud (11) can be spouting around with 30 degree of angle；
Sealing TR thin rubber set (5) in hemispherical nut cap (6) simultaneously, in spouting mud (11) effect of grout outlet (7)
Under, TR thin rubber covers Natural Ruptures, and mud (11) sprays outward；
5) when mud to be implanted (11) arrives established standards, stop slip casting；
6) after mud (11) solidify, backing plate (3) is covered in soil body outboard end steel pipe (1) is exposed, tighten nut (4)；
7) shaping structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520524.6A CN110241821A (en) | 2019-06-17 | 2019-06-17 | A kind of barb-type soil bolt and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520524.6A CN110241821A (en) | 2019-06-17 | 2019-06-17 | A kind of barb-type soil bolt and its construction method |
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| Publication Number | Publication Date |
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| CN110241821A true CN110241821A (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910520524.6A Pending CN110241821A (en) | 2019-06-17 | 2019-06-17 | A kind of barb-type soil bolt and its construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670589A (en) * | 2019-10-29 | 2020-01-10 | 兰州交通大学 | Anchor rod and construction method thereof |
| CN111238863A (en) * | 2020-01-19 | 2020-06-05 | 汤继东 | Soil sampling device and using method |
| CN114108722A (en) * | 2021-11-02 | 2022-03-01 | 国网山东省电力公司烟台供电公司 | Power transmission iron tower foundation reinforcing structure with anchor rod and manufacturing method |
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|---|---|---|---|---|
| CN201129183Y (en) * | 2007-12-29 | 2008-10-08 | 中铁隧道集团有限公司 | Tubule subsection repeat grouting apparatus |
| CN102477747A (en) * | 2010-11-26 | 2012-05-30 | 河南省电力勘测设计院 | Grouting spiral anchor base |
| CN203320527U (en) * | 2013-07-08 | 2013-12-04 | 山东科技大学 | Pawl type soil anchor rod |
| CN104831722A (en) * | 2015-04-30 | 2015-08-12 | 广西大学 | Connected anchor rod and mounting method thereof |
| CN206090579U (en) * | 2016-09-30 | 2017-04-12 | 中建八局第一建设有限公司 | Integral type soil nail |
| CN206646502U (en) * | 2017-04-18 | 2017-11-17 | 洛阳理工学院 | A kind of steel pipe type soil nailing |
| CN207392205U (en) * | 2017-09-21 | 2018-05-22 | 中建一局集团第二建筑有限公司 | Pile foundation post-grouting device |
| KR101938310B1 (en) * | 2018-04-26 | 2019-01-15 | 김성례 | a nailing anchor device of extension control type and construction method thereof |
-
2019
- 2019-06-17 CN CN201910520524.6A patent/CN110241821A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201129183Y (en) * | 2007-12-29 | 2008-10-08 | 中铁隧道集团有限公司 | Tubule subsection repeat grouting apparatus |
| CN102477747A (en) * | 2010-11-26 | 2012-05-30 | 河南省电力勘测设计院 | Grouting spiral anchor base |
| CN203320527U (en) * | 2013-07-08 | 2013-12-04 | 山东科技大学 | Pawl type soil anchor rod |
| CN104831722A (en) * | 2015-04-30 | 2015-08-12 | 广西大学 | Connected anchor rod and mounting method thereof |
| CN206090579U (en) * | 2016-09-30 | 2017-04-12 | 中建八局第一建设有限公司 | Integral type soil nail |
| CN206646502U (en) * | 2017-04-18 | 2017-11-17 | 洛阳理工学院 | A kind of steel pipe type soil nailing |
| CN207392205U (en) * | 2017-09-21 | 2018-05-22 | 中建一局集团第二建筑有限公司 | Pile foundation post-grouting device |
| KR101938310B1 (en) * | 2018-04-26 | 2019-01-15 | 김성례 | a nailing anchor device of extension control type and construction method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670589A (en) * | 2019-10-29 | 2020-01-10 | 兰州交通大学 | Anchor rod and construction method thereof |
| CN111238863A (en) * | 2020-01-19 | 2020-06-05 | 汤继东 | Soil sampling device and using method |
| CN114108722A (en) * | 2021-11-02 | 2022-03-01 | 国网山东省电力公司烟台供电公司 | Power transmission iron tower foundation reinforcing structure with anchor rod and manufacturing method |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
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| RJ01 | Rejection of invention patent application after publication |