CN108612099A - A kind of inclined cutout spiral tensioning head anchor pole and its application method - Google Patents
A kind of inclined cutout spiral tensioning head anchor pole and its application method Download PDFInfo
- Publication number
- CN108612099A CN108612099A CN201810325196.XA CN201810325196A CN108612099A CN 108612099 A CN108612099 A CN 108612099A CN 201810325196 A CN201810325196 A CN 201810325196A CN 108612099 A CN108612099 A CN 108612099A
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- China
- Prior art keywords
- tensioning
- beveling
- anchor pole
- rotary squeezing
- outer sleeve
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Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention proposes that a kind of inclined cutout spiral is tensioned head anchor pole and its application method.The present invention is made of anchor pole axis, beveling tensioning headgear piece, extruding locking resin set and rotary squeezing outer sleeve.Anchor pole axis is set to after precalculated position, it is inserted in beveling tensioning headgear piece, beveling tensioning headgear piece rotary expansion is come with rotary squeezing outer sleeve, form widened anchored end, anchor pole axis is fixed in the soil body or rock mass, resistance to plucking anchor force is formed, then with locking resin set is squeezed by the beveling tensioning headgear piece locking after expansion, prevents anchoring from relaxing.The present invention reinforces the connection between the soil body using physical method, enhances the skid resistance of side slope, avoids the soil body caused by being excavated due to excavation slope from the accidents such as sliding, cave in, improves the stability of foundation pit.Construction efficiency is improved, injecting paste material has been saved.The present invention can be used for Support of Foundation Pit Excavation engineering, improve the security and stability of excavation slope.Apparatus of the present invention instrumentation is easy, and construction efficiency is high.
Description
Technical field
The present invention relates to a kind of inclined cutout spiral tensioning head anchor pole and its application methods.Anchor pole axis is set into pre-determined bit
It postpones, is inserted in beveling tensioning headgear piece, beveling tensioning headgear piece rotary expansion is come with rotary squeezing outer sleeve, is formed and is expanded
Anchored end, anchor pole axis is fixed in the soil body or rock mass, formed resistance to plucking anchor force, then with squeeze locking resin set will expand
Beveling tensioning headgear piece locking afterwards, prevents anchoring from relaxing, enhances the skid resistance of side slope, avoids making due to excavation slope excavation
At the soil body accidents such as slide, cave in, improve the stability of foundation pit.The present invention is directed to Support of Foundation Pit Excavation engineering, improves
Traditional slip casting anchoring process, substantially increases construction efficiency, has saved injecting paste material.The present invention relates to belong to geotechnical engineering and
The correlative technology fields such as environmental project.
Background technology
With the development of the city, urban land is more and more rare, increasingly increases the utilization of urban underground space.Develop city
In the method for city's underground space, trenchless engineering technology requires height, and cost is also high, and therefore, excavation of foundation pit is current exploitation underground
The more commonly used method in space.However the soil mass property in many areas is poor, to the difficulty that construction is brought, the side of excavation of foundation pit
Slope stable problem seems particularly significant.Support of Foundation Pit Excavation is various informative, as slope excavate, outer drawings anchor cooperation lagging pile excavation,
Diaphram wall adds anchor pole, slope protection pile to add anchor pole, mixing pile supporting and reverse construction etc..Wherein, anchor tube supporting, which has, occupies
The advantages that place is small, construction space is big, speed of application is fast in foundation pit, thus be widely used in Support of Foundation Pit Excavation engineering.
The anchorage style of anchor tube supporting is generally slip casting anchoring, and slip casting anchoring is there are two difficult points, first, the full degree of slip casting cannot
Reliably ensured, second is that slip casting solidification plays a role and needs a period of time, cannot act as reinforcing in time.In order to solve the two
Problem, the present invention are proposed a kind of new anchor rod anchored method, are anchored using the widened method of rotary squeezing.
Invention content
It is an object of the invention to propose that a kind of inclined cutout spiral is tensioned head anchor pole and its application method.Anchor pole axis is beaten
After being set to precalculated position, it is inserted in beveling tensioning headgear piece, is opened beveling tensioning headgear piece rotary expansion with rotary squeezing outer sleeve
Come, form widened anchored end, anchor pole axis is fixed in the soil body or rock mass, forms resistance to plucking anchor force, then locked with squeezing
Beveling tensioning headgear piece locking after expansion is prevented anchoring from relaxing, enhances the skid resistance of side slope, avoid due to base by resin set
The soil body caused by the slope excavating of hole such as slides, caves at the accidents, improves the stability of foundation pit.It is primarily adapted for use in Support of Foundation Pit Excavation
Engineering.
The solution of the present invention
The present invention proposes that a kind of inclined cutout spiral is tensioned head anchor pole, and overall structure includes 4 parts：1) anchor pole axis,
2) beveling tensioning headgear piece, 3) extruding locking resin set, 4) rotary squeezing outer sleeve.
Wherein 1) anchor pole axis is the rod-shaped rod piece of filled circles, and end diameter is slightly larger than rear portion, has fixed tooth in end, be used for
Fixed beveling tensioning headgear piece chamfers the position of tensioning headgear piece in intussusception, has screw thread to be used for assembling rotary squeezing outer sleeve；
It is the Circular Thin sleeve that spiral is cracked wherein 2) to chamfer tensioning headgear piece, the case where both ends are by rotary squeezing
The outside spiral squeezing of lower beveling tensioning headgear piece expands, and is inserted into the soil body or rock mass of surrounding, forms anchor force, beveling
Tight headgear piece both ends have gap, the gap of front end to be matched with the fixation tooth of anchor pole axis, outside the gap and rotary squeezing of rear end
The moving tooth of sleeve matches, and completes beveling tensioning headgear piece and screws expansion in soil body depths；
The resin circle that locking resin set is soft wherein 3) is squeezed, anchor pole is sleeved on after the completion of beveling tensioning headgear piece anchoring
On axis, enlargement deformation is squeezed by rotary squeezing outer sleeve, prevents anchorage effect relaxation or deformation retraction；
Wherein 4) rotary squeezing outer sleeve is metallic cylinder structure, is sleeved on outside anchor pole axis, rotary squeezing outer sleeve
One end carries moving tooth, and for stirring beveling tensioning headgear piece, locking resin is squeezed come rotary squeezing with one end without moving tooth
It covers, has precession screw thread inside rotary squeezing outer sleeve；
A kind of application method of inclined cutout spiral tensioning head anchor pole as previously described：
1), excavation pit, smooth construction site need the place for setting anchor tube to measure positioning, mark in foundation pit
Drill position；
2), before bore operation, the angle of drilling machine is adjusted, the place marked with roof-bolter drills, and starts drilling machine,
Until drilling arrives predetermined depth；
3) borehole cleaning is carried out after, drilling, anchor pole axis is set to precalculated position；
4) beveling tensioning headgear piece, is pushed into anchorage point with rotary squeezing outer sleeve, with rotary squeezing outer sleeve band
There is one end of moving tooth to carry out rotation construction, beveling tensioning headgear piece is squeezed out into expansion outward；
5) rotary squeezing outer sleeve, is extracted, will squeeze locking resin set with one end without moving tooth is sent into anchor pole axis
Thread segment, and rotary squeezing so that squeeze locking resin set and be in close contact with beveling tensioning headgear piece；
6) rotary squeezing outer sleeve, is extracted, the anchoring construction of an anchor pole is completed.
Advantages of the present invention
The present invention proposes that a kind of inclined cutout spiral is tensioned head anchor pole and its application method.Anchor pole axis is set into pre-determined bit
It postpones, is inserted in beveling tensioning headgear piece, beveling tensioning headgear piece rotary expansion is come with rotary squeezing outer sleeve, is formed and is expanded
Anchored end, anchor pole axis is fixed in the soil body or rock mass, formed resistance to plucking anchor force, then with squeeze locking resin set will expand
Beveling tensioning headgear piece locking afterwards, prevents anchoring from relaxing, enhances the skid resistance of side slope, avoids making due to excavation slope excavation
At the soil body accidents such as slide, cave in, improve the stability of foundation pit.The present invention is easy to operate, and construction efficiency is high, has good
Benefit.
Description of the drawings
Attached drawing 1 is anchor pole axis schematic diagram
Attached drawing 2 is beveling tensioning headgear piece schematic diagram
Attached drawing 3 is the schematic diagram after beveling tensioning headgear piece expansion
Attached drawing 4 is to squeeze locking resin to cover schematic diagram
Attached drawing 5 is rotary squeezing outer sleeve schematic diagram
In figure：1) locking resin set anchor pole axis, 2) screw thread, 3) fixed tooth, 4) beveling tensioning headgear piece, 5) is squeezed, 6)
Gap, 7) rotary squeezing outer sleeve, 8) moving tooth.
Specific implementation mode：
The present invention proposes that a kind of inclined cutout spiral is tensioned head anchor pole, and overall structure includes 4 parts：Anchor pole axis, tiltedly
It cuts tensioning headgear piece, squeeze locking resin set, rotary squeezing outer sleeve.
Anchor pole axis 1 in structure) it is the rod-shaped rod piece of filled circles, end diameter is slightly larger than rear portion, has fixed tooth in end
3), be used for fixed beveling and be tensioned headgear piece 4), chamfer tensioning headgear piece 4 in intussusception) position, have screw thread 2) be used for assembling rotation
Squeeze outer sleeve 7)；
Beveling tensioning headgear piece 4 in structure) it is the Circular Thin sleeve that spiral is cracked, at both ends by rotary squeezing
In the case of beveling tensioning headgear piece 4) outward spiral squeezing expand, be inserted into the soil body or rock mass of surrounding, formation anchor force,
Beveling tensioning headgear piece 4) there is gap 6 at both ends), the gap 6 of front end) with anchor pole axis 1) fixation tooth 3) match, rear end
Gap 6) with rotary squeezing outer sleeve 7) moving tooth 8) match, complete beveling tensioning headgear piece 4) screw expansion in soil body depths
；
6) extruding locking resin set in structure is soft resin circle, in beveling tensioning headgear piece 4) anchoring completes rear enclosure
In anchor pole axis 1) on, pass through rotary squeezing outer sleeve 7) enlargement deformation is squeezed, prevent anchorage effect relaxation or deformation retraction；
Rotary squeezing outer sleeve 7 in structure) it is metallic cylinder structure, it is sleeved on anchor pole axis 1) outside, outside rotary squeezing
Sleeve 7) one end carry moving tooth 8), for stirring beveling tensioning headgear piece 4), with without moving tooth 8) one end it is crowded to rotate
Extrusion pressure locking resin set 6), rotary squeezing outer sleeve 7) internal have precession screw thread；
A kind of application method of inclined cutout spiral tensioning head anchor pole：
1), excavation pit, smooth construction site need the place for setting anchor tube to measure positioning, mark in foundation pit
Drill position；
2), before bore operation, the angle of drilling machine is adjusted, the place marked with roof-bolter drills, and starts drilling machine,
Until drilling arrives predetermined depth；
3) borehole cleaning is carried out after, drilling, by anchor pole axis 1) it sets to precalculated position；
4), will beveling tensioning headgear piece 4) with rotary squeezing outer sleeve 7) anchorage point is pushed into, with rotary squeezing housing
7) cylinder carries moving tooth 8) one end carry out rotation construction, will beveling tensioning headgear piece 4) squeeze out expand outward；
5), extract rotary squeezing outer sleeve 7), with without moving tooth 8) one end will squeeze locking resin set and 6) be sent into anchor
Bar axis 1) screw thread 2) section, and rotary squeezing so that squeeze locking resin set 6) with beveling tensioning headgear piece 4) be in close contact；
6) rotary squeezing outer sleeve 7, is extracted), complete the anchoring construction of an anchor pole.
Claims (2)
1. a kind of inclined cutout spiral is tensioned head anchor pole, overall structure includes 4 parts：1) anchor pole axis, 2) beveling tensioning head
3) nest plate squeezes locking resin set, 4) rotary squeezing outer sleeve, it is characterized in that：
1), the anchor pole axis is the rod-shaped rod piece of filled circles, and end diameter is slightly larger than rear portion, has fixed tooth in end, be used for
Fixed beveling tensioning headgear piece chamfers the position of tensioning headgear piece in intussusception, has screw thread to be used for assembling rotary squeezing outer sleeve；
2), the beveling tensioning headgear piece is the Circular Thin sleeve that spiral is cracked, the case where both ends are by rotary squeezing
The outside spiral squeezing of lower beveling tensioning headgear piece expands, and is inserted into the soil body or rock mass of surrounding, forms anchor force, beveling
Tight headgear piece both ends have gap, the gap of front end to be matched with the fixation tooth of anchor pole axis, outside the gap and rotary squeezing of rear end
The moving tooth of sleeve matches, and completes beveling tensioning headgear piece and screws expansion in soil body depths；
3), the extruding locking resin set is soft resin circle, and anchor pole is sleeved on after the completion of beveling tensioning headgear piece anchoring
On axis, enlargement deformation is squeezed by rotary squeezing outer sleeve, prevents anchorage effect relaxation or deformation retraction；
4), the rotary squeezing outer sleeve is metallic cylinder structure, is sleeved on outside anchor pole axis, the one of rotary squeezing outer sleeve
End carries moving tooth, and for stirring beveling tensioning headgear piece, locking resin set is squeezed come rotary squeezing with one end without moving tooth,
There is precession screw thread inside rotary squeezing outer sleeve.
2. based on a kind of application method of inclined cutout spiral tensioning head anchor pole described in claim 1：
1), excavation pit, smooth construction site need the place for setting anchor tube to measure positioning, mark drilling in foundation pit
Position；
2), before bore operation, the angle of drilling machine is adjusted, the place marked with roof-bolter drills, and starts drilling machine, until
Creep into predetermined depth；
3) borehole cleaning is carried out after, drilling, anchor pole axis is set to precalculated position；
4) beveling tensioning headgear piece, is pushed into anchorage point with rotary squeezing outer sleeve, is carried and is dialled with rotary squeezing outer sleeve
One end of tooth carries out rotation construction, and beveling tensioning headgear piece is squeezed out expansion outward；
5) rotary squeezing outer sleeve, is extracted, the spiral shell of locking resin set feeding anchor pole axis will be squeezed with one end without moving tooth
Line section, and rotary squeezing so that squeeze locking resin set and be in close contact with beveling tensioning headgear piece；
6) rotary squeezing outer sleeve, is extracted, the anchoring construction of an anchor pole is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325196.XA CN108612099A (en) | 2018-04-12 | 2018-04-12 | A kind of inclined cutout spiral tensioning head anchor pole and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325196.XA CN108612099A (en) | 2018-04-12 | 2018-04-12 | A kind of inclined cutout spiral tensioning head anchor pole and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108612099A true CN108612099A (en) | 2018-10-02 |
Family
ID=63659847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810325196.XA Pending CN108612099A (en) | 2018-04-12 | 2018-04-12 | A kind of inclined cutout spiral tensioning head anchor pole and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612099A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294187A (en) * | 2021-05-24 | 2021-08-24 | 上海应用技术大学 | Telescopic anchor rod and construction method thereof |
| CN113803093A (en) * | 2020-06-17 | 2021-12-17 | 檀国大学校产学协力团 | Anchor rod comprising epoxy resin bag |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089334A (en) * | 1992-11-26 | 1994-07-13 | 阿图尔-费希尔股份公司费希尔厂 | Expansible anchor of metal and manufacture method thereof |
| CN1120367A (en) * | 1993-04-05 | 1996-04-10 | 格丹克有限公司 | Expanding plug |
| CN200968002Y (en) * | 2006-11-15 | 2007-10-31 | 武汉武大巨成加固实业有限公司 | Multiple layer back taper type wedge-locking roofbolt |
| KR20120016867A (en) * | 2010-08-17 | 2012-02-27 | 삼성물산 주식회사 | Improved ground reinforcing bar assembly with expandable front wing |
| CN103104270A (en) * | 2013-02-19 | 2013-05-15 | 裴志胜 | Shear type expansion anchor rod and extension application thereof |
| CN204940272U (en) * | 2015-06-19 | 2016-01-06 | 敦煌研究院 | The spiral expansion anchor rod of a kind of special non-grouting of earthen ruins |
-
2018
- 2018-04-12 CN CN201810325196.XA patent/CN108612099A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089334A (en) * | 1992-11-26 | 1994-07-13 | 阿图尔-费希尔股份公司费希尔厂 | Expansible anchor of metal and manufacture method thereof |
| CN1120367A (en) * | 1993-04-05 | 1996-04-10 | 格丹克有限公司 | Expanding plug |
| CN200968002Y (en) * | 2006-11-15 | 2007-10-31 | 武汉武大巨成加固实业有限公司 | Multiple layer back taper type wedge-locking roofbolt |
| KR20120016867A (en) * | 2010-08-17 | 2012-02-27 | 삼성물산 주식회사 | Improved ground reinforcing bar assembly with expandable front wing |
| CN103104270A (en) * | 2013-02-19 | 2013-05-15 | 裴志胜 | Shear type expansion anchor rod and extension application thereof |
| CN204940272U (en) * | 2015-06-19 | 2016-01-06 | 敦煌研究院 | The spiral expansion anchor rod of a kind of special non-grouting of earthen ruins |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803093A (en) * | 2020-06-17 | 2021-12-17 | 檀国大学校产学协力团 | Anchor rod comprising epoxy resin bag |
| CN113294187A (en) * | 2021-05-24 | 2021-08-24 | 上海应用技术大学 | Telescopic anchor rod and construction method thereof |
| CN113294187B (en) * | 2021-05-24 | 2023-08-04 | 上海应用技术大学 | Telescopic anchor rod and construction method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181002 |