CN107268621A - Soil Quito rope anti_floating foundation and its construction method - Google Patents
Soil Quito rope anti_floating foundation and its construction method Download PDFInfo
- Publication number
- CN107268621A CN107268621A CN201610215869.7A CN201610215869A CN107268621A CN 107268621 A CN107268621 A CN 107268621A CN 201610215869 A CN201610215869 A CN 201610215869A CN 107268621 A CN107268621 A CN 107268621A
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- Prior art keywords
- soil
- beard
- upper plate
- anchor pole
- bolthole
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- 239000002689 soil Substances 0.000 title claims abstract description 70
- 238000007667 floating Methods 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 239000002360 explosive Substances 0.000 claims abstract description 40
- 239000004568 cement Substances 0.000 claims description 32
- 238000005553 drilling Methods 0.000 claims description 23
- 238000013461 design Methods 0.000 claims description 11
- 239000002775 capsule Substances 0.000 claims description 8
- 238000007596 consolidation process Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000005474 detonation Methods 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 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
- E02D5/80—Ground anchors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
-
- 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
- E02D5/80—Ground anchors
- E02D5/806—Ground anchors involving use of explosives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0073—Explosives
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention relates to a kind of soil Quito rope anti_floating foundation, it includes in an embedded soil base and upper surface upper plate above ground level, many corings hair anchor pole and the backing plate and anchor slab that match with the beard and hair anchor pole.The upper plate is polygon, and a bolthole I is disposed with per angle；The backing plate center is provided with a bolthole II；The bottom of several beard and hair anchor poles is anchored, and its top is each passed through the bolthole I of the upper plate, and is connected together through the bolthole II of the backing plate with the anchor slab；The beard and hair anchor pole is made up of resistance to drawing-down silk, and the waterproof explosive equipped with detonator is tied up in the resistance to bottom for drawing and attenuating silk, and the resistance to drawing-down silk is uniformly distributed in along circumferential direction around the waterproof explosive equipped with the detonator.The invention also discloses the basic construction method.The present invention is simple in construction, radical change construction and base form, has significantly saved investment, reduces spoir.
Description
Technical field
The present invention relates to native foundation stabilization and base form, more particularly to soil Quito rope anti_floating foundation and its construction method.
Background technology
At present, overwhelming majority basis is that resistance to compression basis, i.e. basis are primarily subjected to the vertical load of superstructure application and meet deformation and stability requirement, is typically include isolated footing, strip footing, raft foundation etc..And anti_floating foundation mainly has heavy excavation basis, draws digging spread foundation, explosive expansion pile foundation etc.；Either heavy excavation foundation class, still drawing digging spread foundation class, the construction of explosion expanded piling foundation class has larger difficulty, and exist that quantities is big, time-consuming, cost is high, environment is caused compared with havoc, but the problems such as drag that can provide is limited, consolidation effect is not ideal enough, above mentioned problem is more protruded under the conditions of soil base, and the large deformation of soil base and the stability on basis turn into the key issue that must be solved.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of reduce and soil base are disturbed, and improve resistance to compression, pulling test strength, and optimize loading transfer mechanism, while reducing soil Quito rope anti_floating foundation of native foundation deformation.
Another technical problem to be solved by this invention is to provide the construction method of soil Quito rope anti_floating foundation.
To solve the above problems, soil Quito rope anti_floating foundation of the present invention, it is characterised in that：It includes in an embedded soil base and upper surface upper plate above ground level, many corings hair anchor pole and the backing plate and anchor slab that match with the beard and hair anchor pole；The upper plate is polygon, and a bolthole I is disposed with per angle；The backing plate center is provided with a bolthole II；The bottom of several beard and hair anchor poles is anchored, and its top is each passed through the bolthole I of the upper plate, and is connected together through the bolthole II of the backing plate with the anchor slab；The beard and hair anchor pole is made up of resistance to drawing-down silk, and the waterproof explosive equipped with detonator is tied up in the resistance to bottom for drawing and attenuating silk, and the resistance to drawing-down silk is uniformly distributed in along circumferential direction around the waterproof explosive equipped with the detonator.
The soil base is the one or more in mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil.
The upper plate is provided with fixture.
An injected hole is provided with the backing plate.
The construction method of soil Quito as described above rope anti_floating foundation, comprises the following steps：
(1) flat base, i.e., flatten select location；
(2) punched in soil base at each angle for corresponding to polygon upper plate, Grouting Pipe with nozzle is placed in the desired depth for handling the soil base by the hole, then the soil body is punched with cement mortar, while rotating and lifting formation soil cement cylinder after the Grouting Pipe, consolidation；
(3), using the soil cement cylinder of formation as the upper plate fulcrum, the pit for pouring the upper plate is excavated by design requirement；
(4) the axle by design requirement along each soil cement cylinder formed sets drilling；
(5) press first time 50 ~ 100g of explosive payload, second of 100 ~ 200g of explosive payload, third time explosive payload 200 ~ 400g ..., explosive payload is gradually incremented by implements explosion to the bottom hole of the drilling in each soil cement cylinder, until bottom hole expands into cavity；
(6) the size of bottom hole cavity is determined, is specially：
1. lining rope and length of the length more than the different length of the drilling depth are got out equivalent to the waddy for designing the bottom hole cavity diameter；
2. one end of two lining ropes is tied up into waddy two ends respectively, and puts on lining rope dimension mark；
Waddy is sent into the bottom hole cavity and carried up and down by the other end for 3. carrying two lining ropes for being waddy, when waddy one end sticks the bottom hole cavity wall, and two dimension marks on lining rope it is consistent when, waddy is to be horizontal, and waddy length now is the bottom hole cavity diameter；
(7) the upper plate is poured by design requirement；
(8) the waterproof explosive equipped with detonator is tied up in the bottom for the beard and hair anchor pole being made up of resistance to drawing-down silk, and the resistance to drawing-down silk is uniformly distributed in along circumferential direction around the waterproof explosive equipped with the detonator；
(9) the waterproof explosive beard and hair anchor pole carried is placed in drilling hole bottom described in the correspondence soil cement cylinder by the different boltholes I of the upper plate；
(10) the slip casting into the drilling, makes injecting cement paste bury the waterproof explosive of beard and hair anchor pole institute band completely, and its thickness is exceeded powder charge top, and detonate the waterproof explosive at once；
(11) beard and hair anchor pole top described in treating the injecting cement paste consolidation relief passes through the bolthole II at the backing plate center matched with the beard and hair anchor pole, and applies prestressing force and lock the beard and hair anchor pole top on anchor slab；
(12) it is suitable for reading to the injected hole to refilling the injecting cement paste in the drilling by the injected hole on the backing plate, while crack grouting body of casting is in soil basic capsule gap.
The present invention has advantages below compared with prior art：
1st, first, detonation gas in the present invention produced by explosive charge is to drilling hole bottom consumingly impact compress, drilling bottom surrounding ground base is caused to be crushed, form the enough cavitys of size, anchoring body with bottom enlarged footing is formed by slip casting, the anchor force provided, which can be sufficiently achieved, makes superstructure stable；Second, the detonation gas produced by explosive charge is compressed bottom hole surrounding ground base drilling hole subsoil ground strong effect, while the crack in soil base is pushed open, internal soil base will be improved after filling and injecting slurry body（Foot of hole surrounding ground base）Physical and mechanical property；Thirdly, bore the explosive being buried that detonated at once after hole-bottom slurry-injection, while detonation strength driving injecting cement paste filling borehole bottom surrounding ground basic capsule gap, crack of the resistance to drawing-down silk of beard and hair anchor pole into the wall of a borehole and soil base is driven to scatter, the resistance to drawing-down silk for especially driving beard and hair anchor pole by the injecting cement paste of detonation strength driving is penetrated among drilling bottom surrounding ground basic capsule gap dearly, injecting cement paste by beard and hair it is anchor rod anchored in drilling while, tapping hole bottom cavity and soil basic capsule gap, formed using the injecting cement paste filled in drilling as core, the comprehensive of silk extension is drawn and attenuated by the way that the injecting cement paste and beard and hair anchor pole in soil basic capsule gap are resistance to, it is three-dimensional, compound anchoring, the safety of engineering is set to be protected.
2nd, the present invention is simple in construction, radical change construction and base form, has significantly saved investment, has reduced spoir, is protected environment.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 crosses the sectional view of upper plate center and two anchor pole hole axles for the rope anti_floating foundation of square upper plate soil base four of the present invention.
Fig. 2 is top view of the invention.
Fig. 3 is beard and hair anchor pole originally powder charge of the present invention section cross-sectional view.
In figure：1-soil, 2-injecting cement paste of base 3-5-soil of drilling 4-beard and hair anchor pole, 10-detonator of basic capsule gap 6-upper plate, 7-backing plate, 8-anchor slab, 9-crack grouting body 11-17-ground of resistance to drawing-down silk 12-waterproof explosive, 13-injected hole, 14-the wall of a borehole, 15-bottom hole, 16-fixture of cavity, 18-soil cement cylinder.
Embodiment
As shown in Fig. 1 ~ 3, soil Quito rope anti_floating foundation, it includes the upper plate 6 of in an embedded soil base 1 and upper surface above ground level 17, many corings hair anchor pole 4 and the backing plate 7 and anchor slab 8 that match with beard and hair anchor pole 4.
Upper plate 6 is polygon, and a bolthole I is disposed with per angle；The center of backing plate 7 is provided with a bolthole II；The bottom of several beard and hair anchor poles 4 is anchored, and its top is each passed through the bolthole I of upper plate 6, and is connected together through the bolthole II of backing plate 7 with anchor slab 8；Beard and hair anchor pole 4 by it is resistance to drawing-down silk 11 constitute, i.e., by can occur under detonation the steel wire of moderate finite deformation or（With）Other silk threads are constituted.The waterproof explosive 12 equipped with detonator 10 is tied up in the resistance to bottom for drawing and attenuating silk 11, and resistance to drawing-down silk 11 is uniformly distributed in along circumferential direction around the waterproof explosive 12 equipped with detonator 10.
Wherein：Soil base 1 is the one or more in mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil.
Upper plate 6 is provided with the fixture 16 for being used for being connected with superstructure.Polygon include triangle, quadrangle ....
An injected hole 13 is provided with backing plate 7.
The construction method of soil Quito rope anti_floating foundation, comprises the following steps：
(1) flat base, i.e., flatten select location；
(2) each angle for corresponding to polygon upper plate 6 is punched in soil base 1, and the Grouting Pipe with nozzle is placed in the desired depth of processing soil base 1 by the hole, is then punched the soil body with cement mortar, while forming soil cement cylinder 18 after rotation and hoisting grouting pipe, consolidation；
(3), with the soil cement cylinder 18 of formation for the fulcrum of upper plate 6, the pit for pouring upper plate 6 is excavated by design requirement；
(4) the axle by design requirement along each soil cement cylinder 18 formed sets drilling 3；
(5) press first time 50 ~ 100g of explosive payload, second of 100 ~ 200g of explosive payload, third time explosive payload 200 ~ 400g ..., explosive payload is gradually incremented by implements explosion to the bottom hole of the drilling 3 in each soil cement cylinder 18, until bottom hole expands into cavity；
(6) the size of bottom hole cavity 15 is determined, is specially：
1. the waddy of lining rope and length equivalent to the design diameter of bottom hole cavity 15 of different length of the length more than 3 depth of drilling is got out；
2. one end of two lining ropes is tied up into waddy two ends respectively, and puts on lining rope dimension mark；
Waddy is sent into bottom hole cavity 15 and carried up and down by the other end for 3. carrying two lining ropes for being waddy, when waddy one end sticks the wall of bottom hole cavity 15, and two dimension marks on lining rope it is consistent when, waddy is to be horizontal, and waddy length now is the diameter of bottom hole cavity 15；
(7) upper plate 6 is poured by design requirement；
(8) the waterproof explosive 12 equipped with detonator 10 is tied up in the bottom for the beard and hair anchor pole 4 being made up of resistance to drawing-down silk 11, and resistance to drawing-down silk 11 is uniformly distributed in along circumferential direction around the waterproof explosive 12 equipped with detonator 10；
(9) the waterproof explosive 12 beard and hair anchor pole 4 carried is placed in correspondence soil cement cylinder 18 3 bottom holes that drill by the different boltholes I of upper plate 6；
(10) the slip casting into drilling 3, makes injecting cement paste 2 bury the waterproof explosive 12 of beard and hair 4 bands of anchor pole completely, and its thickness is exceeded powder charge top, and detonate waterproof explosive 12 at once；Around the bottom of 2 filling borehole of detonation strength driving injecting cement paste 3 while crack, detonation strength drives resistance to drawing-down silk 11 to be scattered to the wall of a borehole 14 and crack；
(11) treat that the top of the consolidation relief beard and hair of injecting cement paste 2 anchor pole 4 passes through the bolthole II at the center of backing plate 7 matched with beard and hair anchor pole 4, and apply prestressing force and lock the top of beard and hair anchor pole 4 on anchor slab 8；
(12) it is suitable for reading to injected hole 13 by refilling injecting cement paste 2 in 13 pairs of drillings 3 of injected hole on backing plate 7, while crack grouting body 9 of casting is in soil basic capsule gap 5.
Claims (5)
1. soil Quito rope anti_floating foundation, it is characterised in that：It includes an embedded soil base（1）In and upper surface is above ground level（17）Upper plate（6）, many corings hair anchor poles（4）And with the beard and hair anchor pole（4）The backing plate matched（7）And anchor slab（8）；The upper plate（6）For polygon, a bolthole I is disposed with per angle；The backing plate（7）Center is provided with a bolthole II；Several beard and hair anchor poles（4）Bottom anchored, its top is each passed through the upper plate（6）The bolthole I, and through the backing plate（7）The bolthole II and the anchor slab（8）Connect together；The beard and hair anchor pole（4）By the silk of resistance to drawing-down（11）Constitute, the silk of resistance to drawing-down（11）Bottom tie up equipped with detonator（10）Waterproof explosive（12）, and make the silk of resistance to drawing-down（11）It is uniformly distributed in along circumferential direction equipped with the detonator（10）The waterproof explosive（12）Around.
2. soil Quito rope anti_floating foundation as claimed in claim 1, it is characterised in that：The soil base（1）For the one or more in mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil.
3. soil Quito rope anti_floating foundation as claimed in claim 1, it is characterised in that：The upper plate（6）It is provided with fixture（16）.
4. soil Quito rope anti_floating foundation as claimed in claim 1, it is characterised in that：The backing plate（7）On be provided with an injected hole（13）.
5. the construction method of soil Quito rope anti_floating foundation as claimed in claim 1, comprises the following steps：
(1) flat base, i.e., flatten select location；
(2) polygon upper plate is corresponded to（6）Each angle in soil base（1）Middle punching, the processing soil base is placed in by the Grouting Pipe with nozzle by the hole（1）Desired depth, then with cement mortar be punched the soil body, while rotate and lifted after the Grouting Pipe, consolidation formed soil cement cylinder（18）；
(3) with the soil cement cylinder of formation（18）For the upper plate（6）Fulcrum, is excavated by design requirement and pours the upper plate（6）Pit；
(4) each soil cement cylinder formed by design requirement edge（18）Axle set drilling（3）；
(5) press first time 50 ~ 100g of explosive payload, second of 100 ~ 200g of explosive payload, third time explosive payload 200 ~ 400g ..., explosive payload is gradually incremented by each soil cement cylinder（18）In the drilling（3）Bottom hole implement explosion, until bottom hole expands into cavity；
(6) bottom hole cavity is determined（15）Size, be specially：
1. length is got out more than the drilling（3）The lining rope and length of the different length of depth are equivalent to the design bottom hole cavity（15）The waddy of diameter；
2. one end of two lining ropes is tied up into waddy two ends respectively, and puts on lining rope dimension mark；
Waddy is sent into the bottom hole cavity by the other end for 3. carrying two lining ropes for being waddy（15）It is interior and carry up and down, when waddy one end sticks the bottom hole cavity（15）When dimension mark on wall, and two lining ropes is consistent, waddy is to be horizontal, and waddy length now is the bottom hole cavity（15）Diameter；
(7) the upper plate is poured by design requirement（6）；
(8) by the silk of resistance to drawing-down（11）The beard and hair anchor pole of composition（4）Bottom tie up equipped with detonator（10）Waterproof explosive（12）, and make the silk of resistance to drawing-down（11）It is uniformly distributed in along circumferential direction equipped with the detonator（10）The waterproof explosive（12）Around；
(9) by the beard and hair anchor pole（4）The waterproof explosive carried（12）Pass through the upper plate（6）Different boltholes I be placed in the correspondence soil cement cylinder（18）Described in drill（3）Bottom hole；
(10) to the drilling（3）Interior slip casting, makes injecting cement paste（2）The beard and hair anchor pole is buried completely（4）The waterproof explosive of institute's band（12）, and its thickness is exceeded powder charge top, detonate the waterproof explosive at once（12）；
(11) the injecting cement paste is treated（2）Consolidate beard and hair anchor pole described in relief（4）Top is passed through and the beard and hair anchor pole（4）The backing plate matched（7）The bolthole II at center, and apply prestressing force and lock the beard and hair anchor pole（4）Top is in anchor slab（8）On；
(12) the backing plate is passed through（7）On injected hole（13）To the drilling（3）Inside refill the injecting cement paste（2）To the injected hole（13）It is suitable for reading, while crack grouting body of casting（9）In soil basic capsule gap（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215869.7A CN107268621A (en) | 2016-04-09 | 2016-04-09 | Soil Quito rope anti_floating foundation and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215869.7A CN107268621A (en) | 2016-04-09 | 2016-04-09 | Soil Quito rope anti_floating foundation and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107268621A true CN107268621A (en) | 2017-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610215869.7A Pending CN107268621A (en) | 2016-04-09 | 2016-04-09 | Soil Quito rope anti_floating foundation and its construction method |
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| CN (1) | CN107268621A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644053A (en) * | 2009-09-04 | 2010-02-10 | 凌光荣 | Method for enhancing pulling-resistant and tensile-resistant capability of soft and weak soil layer anchor rod/anchor rope |
| CN102002947A (en) * | 2010-12-06 | 2011-04-06 | 武汉大学 | Explosion expanded internal anchor head prestressed anchor cable for strengthening weak rock and anchoring method thereof |
| CN103132515A (en) * | 2011-11-30 | 2013-06-05 | 兰州大学 | Calabash type anchor rod |
| CN103266621A (en) * | 2013-05-21 | 2013-08-28 | 孟庆波 | Steel strand prestress base structure of wind driven generator and construction method thereof |
| CN103774651A (en) * | 2012-10-26 | 2014-05-07 | 兰州大学 | Olive-shaped anti-slip key grouted anchoring supporting blasting anchor rod |
| CN205954624U (en) * | 2016-04-09 | 2017-02-15 | 国网甘肃省电力公司经济技术研究院 | Soil quito cable resistance to plucking basis |
-
2016
- 2016-04-09 CN CN201610215869.7A patent/CN107268621A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644053A (en) * | 2009-09-04 | 2010-02-10 | 凌光荣 | Method for enhancing pulling-resistant and tensile-resistant capability of soft and weak soil layer anchor rod/anchor rope |
| CN102002947A (en) * | 2010-12-06 | 2011-04-06 | 武汉大学 | Explosion expanded internal anchor head prestressed anchor cable for strengthening weak rock and anchoring method thereof |
| CN103132515A (en) * | 2011-11-30 | 2013-06-05 | 兰州大学 | Calabash type anchor rod |
| CN103774651A (en) * | 2012-10-26 | 2014-05-07 | 兰州大学 | Olive-shaped anti-slip key grouted anchoring supporting blasting anchor rod |
| CN103266621A (en) * | 2013-05-21 | 2013-08-28 | 孟庆波 | Steel strand prestress base structure of wind driven generator and construction method thereof |
| CN205954624U (en) * | 2016-04-09 | 2017-02-15 | 国网甘肃省电力公司经济技术研究院 | Soil quito cable resistance to plucking basis |
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| PB01 | Publication | ||
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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: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |