CN108360515A - It is segmented reaming pressure anchor wire structure and construction method - Google Patents
It is segmented reaming pressure anchor wire structure and construction method Download PDFInfo
- Publication number
- CN108360515A CN108360515A CN201810392970.9A CN201810392970A CN108360515A CN 108360515 A CN108360515 A CN 108360515A CN 201810392970 A CN201810392970 A CN 201810392970A CN 108360515 A CN108360515 A CN 108360515A
- Authority
- CN
- China
- Prior art keywords
- reaming
- strand wires
- steel strand
- anchor
- section
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 238000004873 anchoring Methods 0.000 claims abstract description 30
- 238000007569 slipcasting Methods 0.000 claims abstract description 18
- 230000011218 segmentation Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000009527 percussion Methods 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 230000002421 anti-septic effect Effects 0.000 abstract description 3
- 230000000750 progressive effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- 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
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Landscapes
- 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
A kind of segmentation reaming pressure anchor wire structure and construction method, the steel strand wires of several sections of different lengths are set up on several stringing rings, the non-end of every section of steel strand wires is provided with supporting body, Grouting Pipe is with each section of steel strand wires and extends to most end, least significant end is provided with guiding cap, and the head end of steel strand wires and Grouting Pipe is provided with bearing plate and anchorage.Its advantage is that when being pressurized, the compression of slip casting anchoring body is not easy to crack, and Progressive failure problem is not present, and improves anchoring efficiency, and steel strand wires use non-bending steel cable so that anchor pole has better antiseptic property, improves durability；Using multiple supporting bodies, the form of dispersed distribution reduces stress concentration, improves total anchor force of single hole anchor pole；Reaming is formed in pressure type anchor rod anchorage end using the method for drill bit mechanical hole reaming, anchoring section can be reduced, improve anchoring efficiency, reduce anchor cable construction length, save project cost；Reliability is high, discreteness is small, stable quality.
Description
Technical field
The present invention relates to the dedicated sheet pile wall of foundation engineering, stake or other structures component are related to anchor structure component, espespecially
A kind of segmentation reaming pressure anchor wire structure and construction method.
Background technology
Currently, generally using tension type anchor cable in geological hazard control engineering, the type anchor cable copies base mechanically substantially
The technology of the interim anchor cable of engineering is cheated, using tension type anchor cable, stress distribution is uneven, is susceptible to and closes on one section of free end and go out
The phenomenon that existing stress concentration, makes the grouting soil of anchored end generate tensile crack, causes that anchoring efficiency is low, cost is higher, anti-
The problems such as rotten poor performance and significant creep properties.There is single bore multiple anchor method in last century the eighties --- pulling force
Distributed anchor pole, this method are that several unit bolts are installed in same drilling, and each unit bolt has free segment and anchoring section,
Bond stress peak value can be reduced.Pressure bonding type anchor cable as a kind of New Anchor Cable, using non-bending steel cable and injecting cement paste every
From end sets supporting body and the steel strand wires of anchor pole are fixed.Due to presstressed reinforcing steel (steel strand wires) package grease, polyethylene coating and filling
Slurry surrounds, and grouting body is pressurized when forming multi-layer anticorrosion, and working, not easy to crack, substantially increases the durability of anchor pole, this
The permanent works that anchor pole is suitable for having groundwater effect, especially suitable for corrosive environment, but presently relevant technology is also not
Maturation, difficulty of construction is larger, requires height to constructing operation, there is presently no be used widely.
Invention content
In view of the shortcomings of the prior art, it the purpose of the present invention is to provide a kind of segmentation reaming pressure anchor wire structure and applies
Work method.It is intended to the anchoring engineering for making anchor cable adapt to require anchoring efficiency, corrosion resistance high soil property, saves project cost.
The technical solution adopted by the present invention to solve the technical problems is：A kind of segmentation reaming pressure anchor wire structure is provided
And construction method, it is characterised in that：Including steel strand wires, supporting body, guiding cap, Grouting Pipe, stringing ring, squeeze sleeve, anchorage and
The steel strand wires of bearing plate, several sections of different lengths are set up on several stringing rings, and the non-end of every section of steel strand wires is provided with supporting body,
It squeezes sleeve this section of steel strand wires are fixed on supporting body, Grouting Pipe is set up on several stringing rings with each section of steel strand wires and prolongs
Extend to most end, least significant end is provided with guiding cap, and the head end of steel strand wires and Grouting Pipe is provided with bearing plate and anchorage.
A kind of construction method of segmentation reaming pressure anchor wire structure of the present invention includes the following steps：
One, reaming is bored, carries out minor diameter 120~ф of ф 160mm drillings first, length is longer than steel strand wires 0.4m~0.6m；
Then the reaming of reaming section ф 220mm~ф 250mm is carried out；
Two, anchor cable is installed and enters hole, the non-end of every section of steel strand wires is fixed with supporting body, anchor cable length should ensure that anchor cable exists
It is stayed outside hole not less than 0.8m tensioning sections, using guiding cap and stringing ring, steel strand wires and Grouting Pipe is put into hole position grouting behind shaft or drift lining, are formed
Reaming section slip casting anchoring body；
Three, compensate tensioning, then integral tension, tensioning to design value after slip casting anchoring body intensity reaches 75% or more
It is locked afterwards with anchorage, finally uses sealing off and covering anchorage concrete sealing off and covering anchorage.
The anchor cable structure system is segmented reaming pressure anchor wire structure, when compression, slip casting anchoring body be pressurized it is not easy to crack, with drawing
Power type anchor pole is compared, and Progressive failure problem is not present, and improves anchoring efficiency, and steel strand wires use non-bending steel cable so that anchor
Bar has better antiseptic property, improves durability；Using multiple supporting bodies, the form of dispersed distribution reduces stress concentration,
Improve total anchor force of single hole anchor pole；Reaming is formed in pressure type anchor rod anchorage end using the method for drill bit mechanical hole reaming,
Anchoring section can be reduced, improve anchoring efficiency, reduce anchor cable construction length, save project cost；Reliability is high, discreteness is small,
Stable quality.
The construction method that slope retaining is carried out using this hair segmentation reaming pressure anchor wire structure, is included the following steps：
One, before constructing, selection is banketed in the venue carries out 3 anchor cable fundamental tests with farinose argillic horizon respectively, it is ensured that sets
Count Rational Parameters；
Two, side slope is modified；
Three, construction anchored frame；
Four, using the dedicated reaming bit pore-forming of down-hole percussion drill machine cooperation, drilling diameter is：Reaming section：It is not less than
220mm, non-reaming section：150mm；Pore-forming sequence be：Normal drill bit pore-forming → replacement reaming bit reaming → normal drill bit pore-forming
→ replace reaming bit reaming → borehole cleaning；Drilling depth should be greater than anchorage cable design length 0.5m；
Five, anchor cable compression end is fixed carrier using dedicated extruded sleeve and extrusion equipment, and carrier and exposed steel twist
For line into rinsing 2 layers of antirust paint before hole, anchor cable length need to ensure that anchor cable stays no less than 0.8m tensioning section outside hole, and anchor cable enters before hole to not
Steel strand wires with length are marked；
Six, anchoring body slip casting and secondary high-pressure slip-casting is carried out, anchor cable reaches 80% or more design strength in grouting soil
After start tensioning and lock, sealing off and covering anchorage is carried out to anchor head after tensioning；
Seven, step 2~step 6 is repeated, horizontal direction and vertical section reaming pressure anchor wire side slope supporting construction are completed.
The present invention is the innovation structure based on conventional pressure dispersed anchor cable, is by pressure anchor wire cable body structure and segmentation
The structure of reaming slip casting anchoring body composition, not only the advantages of universal succession conventional pressure dispersed anchor cable, but also combines expansion
The advantages of head anchor pole.
The beneficial effects of the invention are as follows：Anchoring section can be reduced, improve anchoring efficiency, reduce anchor cable construction length, saved
Project cost；Reliability is high, discreteness is small, stable quality.Suitable for requiring anchoring efficiency, corrosion resistance the anchor of high soil property
Gu engineering saves project cost.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the diagrammatic cross-section of present invention segmentation reaming pressure anchor wire structure and construction method.
Fig. 2 is the A schematic cross-sections of Fig. 1.
Fig. 3 is the B-section schematic diagram of Fig. 1.
Fig. 4 is the C schematic cross-sections of Fig. 1.
Fig. 5 is supporting body and 1 Grouting Pipe of steel strand wires, 6 scheme of installation.
In figure：1 it is steel strand wires, 2 be supporting body, 3 be slip casting anchoring body, 4 be non-reaming section, 5 be guiding cap, 6 is slip casting
Pipe, 7 be stringing ring, 8 be extruding sleeve, 9 be sealing off and covering anchorage concrete, 10 be anchorage, 11 be bearing plate.
Specific implementation mode
Referring to attached drawing, a kind of segmentation reaming pressure anchor wire structure of the present invention, it is characterised in that：Including steel strand wires 1, carrying
Body 2, Grouting Pipe 6, stringing ring 7, squeezes sleeve 8, anchorage 10 and bearing plate 11, the steel strand wires of several sections of different lengths at guiding cap 5
1 is set up on several stringing rings 7, and every section of 1 non-end of steel strand wires is provided with supporting body 2, squeezes sleeve 8 and consolidates this section of steel strand wires 1
Due on supporting body 2, Grouting Pipe 6 is set up on several stringing rings 7 with each section of steel strand wires 1 and extends to most end, least significant end
It is provided with guiding cap 5, the head end of steel strand wires 1 and Grouting Pipe 6 is provided with bearing plate 11 and anchorage 10.
A kind of construction method of segmentation reaming pressure anchor wire structure of the present invention includes the following steps：
One, reaming is bored, carries out minor diameter ф 150mm drillings first, length is longer than steel strand wires 0.5m；Then reaming section is carried out
The reaming of ф 250mm；
Two, anchor cable is installed and enters hole, and every section of 1 non-end of steel strand wires is fixed with supporting body 2, and supporting body 2 and exposed steel twist
Into 2 layers of antirust paint are rinsed before hole, anchor cable length should ensure that anchor cable stays 0.8m tensioning sections outside hole, utilizes guiding cap 5 and stringing ring line 1
7, steel strand wires 1 and Grouting Pipe 6 are put into hole position grouting behind shaft or drift lining, form reaming section slip casting anchoring body 3；
Three, compensate tensioning, then integral tension after 3 intensity of slip casting anchoring body reaches 80%, billet when tensioning
It uses anchorage 10 to lock as bearing plate 11, then with after jack tension to design value, finally sealing off and covering anchorage concrete 9 is used to prevent anchor head from becoming rusty
Erosion.
The anchor cable structure system is segmented reaming pressure anchor wire structure, when compression, slip casting anchoring body 3 be pressurized it is not easy to crack, with
Tension type anchor pole is compared, and Progressive failure problem is not present, and improves anchoring efficiency, and steel strand wires 1 use non-bending steel cable so that
Anchor pole has better antiseptic property, improves durability；Using multiple supporting bodies 2, the form of dispersed distribution reduces stress collection
In, improve total anchor force of single hole anchor pole；It is formed and is expanded in pressure type anchor rod anchorage end using the method for drill bit mechanical hole reaming
Hole can reduce anchoring section, improve anchoring efficiency, reduce anchor cable construction length, save project cost；Reliability height, discreteness
Small, stable quality.
In the embodiment of the present invention, using the side slope supporting construction method of the segmentation reaming pressure anchor wire lattice girder, packet
Include following steps：
One, before constructing, selection is banketed in the venue carries out 3 anchor cable fundamental tests with farinose argillic horizon respectively, it is ensured that sets
Count Rational Parameters；
Two, side slope is modified；
Three, construction anchored frame；
Four, using the dedicated reaming bit pore-forming of down-hole percussion drill machine cooperation, drilling diameter is：Reaming section：It is not less than
220mm, non-reaming section：150mm；Pore-forming sequence be：Normal drill bit pore-forming → replacement reaming bit reaming → normal drill bit pore-forming
→ replace reaming bit reaming → borehole cleaning；Drilling depth should be greater than anchorage cable design length 0.5m；
Five, anchor cable compression end is fixed carrier using dedicated extruded sleeve and extrusion equipment, and carrier and exposed steel twist
For line into rinsing 2 layers of antirust paint before hole, anchor cable length need to ensure that anchor cable stays no less than 0.8m tensioning section outside hole, and anchor cable enters before hole to not
Steel strand wires with length are marked；
Six, anchoring body slip casting and secondary high-pressure slip-casting is carried out, anchor cable reaches 80% or more design strength in grouting soil
After start tensioning and lock, sealing off and covering anchorage is carried out to anchor head after tensioning；
Seven, step 2~step 6 is repeated, horizontal direction and vertical section reaming pressure anchor wire side slope supporting construction are completed.
Claims (3)
1. a kind of segmentation reaming pressure anchor wire structure, it is characterised in that：Including steel strand wires, supporting body, guiding cap, Grouting Pipe,
Stringing ring, extruding sleeve, anchorage and bearing plate, the steel strand wires of several sections of different lengths are set up on several stringing rings, every section of steel
The non-end of twisted wire is provided with supporting body, squeezes sleeve and this section of steel strand wires are fixed on supporting body, quarreled if Grouting Pipe is set up in
With each section of steel strand wires and extending to most end on wire loop, least significant end is provided with guiding cap, and the head end of steel strand wires and Grouting Pipe is set
It is equipped with bearing plate and anchorage.
2. the construction method of segmentation reaming pressure anchor wire structure according to claim 1, it is characterised in that including as follows
Step：
One, reaming is bored, carries out minor diameter 120~ф of ф 160mm drillings first, length is longer than steel strand wires 0.4m~0.6m；Then
Carry out the reaming of reaming section ф 220mm~ф 250mm；
Two, anchor cable is installed and enters hole, and the non-end of every section of steel strand wires is fixed with supporting body, and supporting body and exposed steel strand wires are into before hole
A layer antirust paint is rinsed, anchor cable length should ensure that anchor cable is stayed outside hole not less than 0.8m tensioning sections, using guiding cap and stringing ring, by steel
Twisted wire and Grouting Pipe are put into hole position grouting behind shaft or drift lining, form reaming section slip casting anchoring body；
Three, tensioning, then integral tension are compensated after slip casting anchoring body intensity reaches 75% or more, is used after tensioning to design value
Anchorage locks, and finally uses sealing off and covering anchorage concrete sealing off and covering anchorage.
3. segmentation reaming pressure anchor wire structure according to claim 1 carries out the construction method of slope retaining, including such as
Lower step：
One, before constructing, selection is banketed in the venue carries out 3 anchor cable fundamental tests with farinose argillic horizon respectively, it is ensured that design ginseng
Number is reasonable；
Two, side slope is modified；
Three, construction anchored frame；
Four, using the dedicated reaming bit pore-forming of down-hole percussion drill machine cooperation, drilling diameter is：Reaming section：Not less than 220mm,
Non- reaming section：150mm；Pore-forming sequence be：Normal drill bit pore-forming → replacement reaming bit reaming → normal drill bit pore-forming → replacement
Reaming bit reaming → borehole cleaning；Drilling depth should be greater than anchorage cable design length 0.5m；
Five, anchor cable compression end is fixed carrier using dedicated extruded sleeve and extrusion equipment, carrier and exposed steel strand wires into
Rinse 2 layers of antirust paint before hole, anchor cable length need to ensure that anchor cable stays no less than 0.8m tensioning section outside hole, and anchor cable enters before hole to different length
The steel strand wires of degree are marked；
Six, anchoring body slip casting and secondary high-pressure slip-casting is carried out, anchor cable is opened after grouting soil reaches 80% or more design strength
Beginning tensioning simultaneously locks, and sealing off and covering anchorage is carried out to anchor head after tensioning；
Seven, step 2~step 6 is repeated, horizontal direction and vertical section reaming pressure anchor wire side slope supporting construction are completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392970.9A CN108360515A (en) | 2018-04-27 | 2018-04-27 | It is segmented reaming pressure anchor wire structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392970.9A CN108360515A (en) | 2018-04-27 | 2018-04-27 | It is segmented reaming pressure anchor wire structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108360515A true CN108360515A (en) | 2018-08-03 |
Family
ID=63009781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810392970.9A Pending CN108360515A (en) | 2018-04-27 | 2018-04-27 | It is segmented reaming pressure anchor wire structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360515A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778851A (en) * | 2019-02-20 | 2019-05-21 | 杭州昂创科技有限公司 | Construction method of multi-stage expandable carrier bag grouting prestressed anchor rod |
| CN109811719A (en) * | 2019-02-18 | 2019-05-28 | 东北大学 | A kind of slip casting anchor stock being applicable in weak soil dykes and dams and weak soil dykes and dams anchoring construction method |
| CN110374102A (en) * | 2019-07-01 | 2019-10-25 | 中铁建华南建设有限公司 | Support anchor cable and support structure |
| CN112081613A (en) * | 2020-10-20 | 2020-12-15 | 湖南科技大学 | Roadway surrounding rock supporting method capable of applying pretightening force in grading manner |
| CN112726627A (en) * | 2020-12-25 | 2021-04-30 | 中铁广州工程局集团深圳工程有限公司 | Cast-in-situ bored pile structure in area with intense karst and construction method |
| CN114738023A (en) * | 2022-05-13 | 2022-07-12 | 山东建筑大学 | A pressure-dispersed anchoring device and method |
| CN116044463A (en) * | 2023-02-15 | 2023-05-02 | 长安大学 | Resin anchoring synergistic device and construction method for reaming and anchoring anchor cables |
| CN116905482A (en) * | 2023-08-17 | 2023-10-20 | 西南科技大学 | Multi-point friction anti-slip anchor cable and installation method thereof |
| CN120350705A (en) * | 2025-06-26 | 2025-07-22 | 洛阳百坚岩土工程有限公司 | Segmented construction anchor cable for limited filling anchor retaining wall and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238411A (en) * | 1998-06-08 | 1999-12-15 | 中外合资柳州欧维姆建筑机械有限公司 | Pull-pressure dispersed protecting anchor cable and its construction method |
| CN102002957A (en) * | 2010-12-16 | 2011-04-06 | 广东交通职业技术学院 | Slope retaining structure |
| CN203924054U (en) * | 2014-06-16 | 2014-11-05 | 中铁二院工程集团有限责任公司 | Variable cross-section anchoring body anchor pole or anchor cable ruggedized construction |
| CN104775428A (en) * | 2015-04-23 | 2015-07-15 | 万军利 | Compound-type prestressed anchor cable structure and construction method thereof |
| CN106065624A (en) * | 2016-07-12 | 2016-11-02 | 浙江省交通工程建设集团有限公司 | It is applicable to pass through the permanent seal cooling prestress anchorage cable of broken rock and construction method thereof |
| CN208545747U (en) * | 2018-04-27 | 2019-02-26 | 中国铁道科学研究院深圳研究设计院 | Sectional reaming pressure type anchor cable structure |
-
2018
- 2018-04-27 CN CN201810392970.9A patent/CN108360515A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238411A (en) * | 1998-06-08 | 1999-12-15 | 中外合资柳州欧维姆建筑机械有限公司 | Pull-pressure dispersed protecting anchor cable and its construction method |
| CN102002957A (en) * | 2010-12-16 | 2011-04-06 | 广东交通职业技术学院 | Slope retaining structure |
| CN203924054U (en) * | 2014-06-16 | 2014-11-05 | 中铁二院工程集团有限责任公司 | Variable cross-section anchoring body anchor pole or anchor cable ruggedized construction |
| CN104775428A (en) * | 2015-04-23 | 2015-07-15 | 万军利 | Compound-type prestressed anchor cable structure and construction method thereof |
| CN106065624A (en) * | 2016-07-12 | 2016-11-02 | 浙江省交通工程建设集团有限公司 | It is applicable to pass through the permanent seal cooling prestress anchorage cable of broken rock and construction method thereof |
| CN208545747U (en) * | 2018-04-27 | 2019-02-26 | 中国铁道科学研究院深圳研究设计院 | Sectional reaming pressure type anchor cable structure |
Non-Patent Citations (1)
| Title |
|---|
| 楚跃先等: "《700米级高陡边坡及堆积体开挖与锚固施工技术》", 中国电力出版社, pages: 160 - 161 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811719A (en) * | 2019-02-18 | 2019-05-28 | 东北大学 | A kind of slip casting anchor stock being applicable in weak soil dykes and dams and weak soil dykes and dams anchoring construction method |
| CN109778851A (en) * | 2019-02-20 | 2019-05-21 | 杭州昂创科技有限公司 | Construction method of multi-stage expandable carrier bag grouting prestressed anchor rod |
| CN110374102A (en) * | 2019-07-01 | 2019-10-25 | 中铁建华南建设有限公司 | Support anchor cable and support structure |
| CN110374102B (en) * | 2019-07-01 | 2025-02-14 | 中铁建华南建设有限公司 | Support anchor cables and support structures |
| CN112081613A (en) * | 2020-10-20 | 2020-12-15 | 湖南科技大学 | Roadway surrounding rock supporting method capable of applying pretightening force in grading manner |
| CN112081613B (en) * | 2020-10-20 | 2022-06-17 | 湖南科技大学 | Roadway surrounding rock supporting method capable of applying pretightening force in grading manner |
| CN112726627A (en) * | 2020-12-25 | 2021-04-30 | 中铁广州工程局集团深圳工程有限公司 | Cast-in-situ bored pile structure in area with intense karst and construction method |
| CN112726627B (en) * | 2020-12-25 | 2023-05-26 | 中铁广州工程局集团深圳工程有限公司 | Bored pile structure in karst region and construction method |
| CN114738023A (en) * | 2022-05-13 | 2022-07-12 | 山东建筑大学 | A pressure-dispersed anchoring device and method |
| CN116044463A (en) * | 2023-02-15 | 2023-05-02 | 长安大学 | Resin anchoring synergistic device and construction method for reaming and anchoring anchor cables |
| CN116905482A (en) * | 2023-08-17 | 2023-10-20 | 西南科技大学 | Multi-point friction anti-slip anchor cable and installation method thereof |
| CN120350705A (en) * | 2025-06-26 | 2025-07-22 | 洛阳百坚岩土工程有限公司 | Segmented construction anchor cable for limited filling anchor retaining wall and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108360515A (en) | It is segmented reaming pressure anchor wire structure and construction method | |
| CN103088819B (en) | Construction prestressed cable method | |
| CN108316941B (en) | Broken surrounding rock and soft rock roadway U-shaped steel canopy supporting method | |
| CN201704689U (en) | Four-corner-reinforced pre-stressed anchor rope head for reinforcing rock slope | |
| CN104727318B (en) | A kind of foundation ditch composite soil nailed wall and method | |
| CN201746840U (en) | Foundation pit support system equipped with a plurality of inclined rear anchors capable of recycling | |
| CN106321119A (en) | Double-layer anchor net cable supporting structure for controlling mining roadway surrounding rock deformation and method thereof | |
| CN109681248B (en) | A kind of advance support method of grouting anchor cable | |
| CN102937030A (en) | Bolting-grouting integrated support method for zonal disintegration of deep roadway surrounding rock | |
| CN103075170A (en) | Method for controlling surrounding rock deformation of gateway subjected to repeated overhead mining by using hollow grouting anchor cable | |
| CN104895073B (en) | Can being dismounted for multiple times anchor cable construction system and its construction method | |
| CN109706941B (en) | Construction method and anchoring device for foundation pit composite supporting technology | |
| CN102493451A (en) | Rock bolt system based on fiber reinforced plastic bolt and ultrahigh-performance cement-based bonding and anchoring medium | |
| CN109555548A (en) | A kind of supporting construction that high-ground stress Support System in Soft Rock Tunnels is formed using overlength enlarged footing anchor cable | |
| CN113668525A (en) | Construction method of anti-floating anchor rod with water-drop-shaped enlarged head based on PSB finish-rolled deformed steel bar | |
| CN208545747U (en) | Sectional reaming pressure type anchor cable structure | |
| CN103615012B (en) | Steel construction self-drilling hollow anchor bars reinforces the most wired gear safeguard structure | |
| CN116180731A (en) | A combination structure and construction method of slow bonded prestressed anti-corrosion and anti-floating anchor rod construction | |
| CN214784243U (en) | Back-inserted unbonded steel strand U-shaped pipe pressure-bearing uplift pile | |
| CN115749886A (en) | A pipe cable prestressing device and construction method for enlarging the range of surrounding rock support | |
| CN104264671A (en) | Recyclable anchor rod | |
| CN220868205U (en) | Prefabricated screw type prestressed anchor rod | |
| CN112943327A (en) | Underground chamber active controllable yielding support system and method for stratum support | |
| CN217813483U (en) | Non-excavation assembled horizontal envelope | |
| CN115977081B (en) | Repairing and reinforcing structure of crack damage slide-resistant pile and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 22nd Floor, Botai Engineering Exploration Building, No. 8 South Science and Technology Eighth Road, Nanshan High-tech Park, Shenzhen City, Guangdong Province Applicant after: Academy of Iron Sciences (Shenzhen) Research and Design Institute Co.,Ltd. Address before: 518000 22nd Floor, Botai Engineering Exploration Building, No. 8 South Science and Technology Eighth Road, Nanshan High-tech Park, Shenzhen City, Guangdong Province Applicant before: CHINA ACADEMY OF RAILWAY SCIENCES SHENZHEN RESEARCH AND DESIGN INSTITUTE |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |