CN107268622A - A kind of resistance to plucking anchor foundation and its construction method - Google Patents
A kind of resistance to plucking anchor foundation and its construction method Download PDFInfo
- Publication number
- CN107268622A CN107268622A CN201610215881.8A CN201610215881A CN107268622A CN 107268622 A CN107268622 A CN 107268622A CN 201610215881 A CN201610215881 A CN 201610215881A CN 107268622 A CN107268622 A CN 107268622A
- Authority
- CN
- China
- Prior art keywords
- resistance
- drilling
- silk
- waterproof explosive
- detonator
- 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 14
- 239000002360 explosive Substances 0.000 claims abstract description 31
- 238000005553 drilling Methods 0.000 claims description 26
- 239000011435 rock Substances 0.000 claims description 23
- 239000002689 soil Substances 0.000 claims description 19
- 239000004568 cement Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005474 detonation Methods 0.000 description 9
- 238000009412 basement excavation Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000010959 steel Substances 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
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 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
- E02D5/80—Ground anchors
- E02D5/806—Ground anchors involving use of explosives
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/0023—Slurry
-
- 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)
- 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 present invention relates to a kind of resistance to plucking anchor foundation, it includes the anchor rod body in beard and hair shape that oblique cutting enters ground.The anchor rod body 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 form of construction work and base form, thus investment-saving, few spoir, protects environment.
Description
Technical field
The present invention relates to a kind of resistance to plucking anchor foundation structure type, more particularly to a kind of resistance to plucking anchor foundation and its construction party
Method.
Background technology
Anti_floating foundation mainly has heavy excavation basis, draws digging spread foundation, explosive expansion pile foundation etc.；Heavy excavation foundation class, which is meant, to be buried
The basis of rammed earth is placed in the foundation ditch dug in advance and will backfill, it is constituted the resistance to plucking soil body with the backfill of disturbance, keeps base
The stabilization of plinth；Digging spread foundation class is drawn to mean and be poured into the native tire scraped out mechanically or manually to draw with concrete and framework of steel reinforcement
Basis, it be kept with natural rock-filled resistance to plucking basis on pull out stabilization；Explosion expanded piling foundation class is meant with concrete and reinforcing bar
Skeleton is cast in the stub basis of the bellend in the native tire being molded with explosive expansion, and its resistance to plucking soil body is essentially close to intact day
It is so native.
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 drag that can be provided it is limited plus
Gu the problems such as effect is not ideal enough, for example：The key dimension of heavy excavation foundation class is determined by its resistance to plucking stability requirement, is
The requirement of stability is pulled out on meeting, it is necessary to increase key dimension, spoir certainly will be increased and the destruction to environment is aggravated.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of resistance to plucking anchor foundation simple in construction, investment reduction.
Another technical problem to be solved by this invention is the construction method of the resistance to plucking anchor foundation.
To solve the above problems, a kind of resistance to plucking anchor foundation of the present invention, it is characterised in that：It enters ground including oblique cutting
The anchor rod body in beard and hair shape；The anchor rod body is made up of resistance to drawing-down silk, and the resistance to bottom for drawing and attenuating silk is tied up equipped with detonator
Waterproof explosive, and the resistance to silk that draws and attenuates is uniformly distributed in week of the waterproof explosive equipped with the detonator along circumferential direction
Enclose.
A kind of construction method of resistance to plucking anchor foundation as described above, comprises the following steps：
(1) Rock And Soil is set by design requirement and drilled；
(2) part waterproof explosive is placed in the bottom hole of the drilling, the ground near the drilling hole bottom is pushed open using its blast
Weak folder mud in body crack；
(3) the waterproof explosive equipped with detonator is tied up in the bottom for the anchor rod body being made up of resistance to drawing-down silk, and make the silk of resistance to drawing-down
It is uniformly distributed in along circumferential direction around the waterproof explosive equipped with the detonator；
(4) the waterproof explosive is placed in the drilling hole bottom；
(5) the slip casting into the drilling, makes injecting cement paste bury the waterproof explosive of anchor rod body institute band completely, and make it
Thickness exceeds powder charge top, and detonate the waterproof explosive at once；
(6) it is suitable for reading to the drilling to refilling the injecting cement paste in the drilling, while crack grouting body of casting splits in country rock
Gap.
The present invention has advantages below compared with prior art：
1st, first, the detonation gas produced by explosive charge of the present invention is formed to the drilling hole bed rock soil body consumingly impact compress
The enough cavitys of size, form the anchoring body with bottom enlarged footing, needed for the anchor force provided can be sufficiently achieved by slip casting
Withdrawal resistance；Second, the detonation gas produced by explosive charge is produced by force to the weak folder mud in drilling hole bed rock soil mass crack
Strong effect, weakness folder mud is pushed open, will be improved after making the crack degree increase and structural change in Rock-soil Mass Structure face, filling and injecting slurry body
With the internal Rock And Soil of raising（Rock And Soil around foot of hole）Physical and mechanical property；Third, being detonated at once after boring hole-bottom slurry-injection
The explosive being buried, detonation strength drives resistance to drawing-down silk to be merged with injecting cement paste, i.e. driving is surrounded on the resistance to drawing in injecting cement paste
Filament " disorderly such as fiber crops ", " in great confusion ", as " tangled skein of jute " blended closely with injecting cement paste；Fourth, detonation strength is driven
Around dynamic injecting cement paste filling borehole bottom while Rock And Soil crack, the resistance to drawing-down silk of detonation strength driving beard and hair anchor pole is to rock
Soil mass crack is scattered, and 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 dearly
Around to drilling bottom among Rock And Soil crack, injecting cement paste by beard and hair it is anchor rod anchored in drilling while, tapping hole bottom cavity and
Wall-rock crack, is formed using the injecting cement paste filled in drilling as core, is drawn by the way that the injecting cement paste in wall-rock crack and beard and hair anchor pole are resistance to
Comprehensive, three-dimensional, the compound anchoring of filament extension, makes the safety of engineering be protected.
2nd, the present invention is simple in construction, radical change construction and and anchor type, significantly saved investment, reduce and abandon
Soil, 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 is structural representation of the invention.
Fig. 2 is powder charge section cross-sectional view before beard and hair anchor pole explosion of the present invention.
In figure：1-Rock And Soil, 2-injecting cement paste 3-drilling 4-anchor rod body, 5-wall-rock crack, 6-crack grouting
7-detonator of body 8-11-ground of resistance to drawing-down silk 9-waterproof explosive, 10-the wall of a borehole.
Embodiment
As shown in Figure 1 and Figure 2, a kind of resistance to plucking anchor foundation, it includes the anchor rod body 4 in beard and hair shape that oblique cutting enters ground 11.
Anchor rod body 4 by it is resistance to drawing-down silk 8 constitute, i.e., by can occur under detonation the steel wire of moderate finite deformation or（With）Other silk thread structures
Into.The waterproof explosive 9 equipped with detonator 7 is tied up in the resistance to bottom for drawing and attenuating silk 8, and resistance to drawing-down silk 8 is uniformly distributed along circumferential direction
Around the waterproof explosive 9 equipped with detonator 7.
The construction method of the resistance to plucking anchor foundation, comprises the following steps：
(1) drilling 3 is set to Rock And Soil 1 by design requirement；
(2) part waterproof explosive 9 is placed in the bottom hole of drilling 3, pushed open using its blast near 3 bottom holes of drilling in the crack of Rock And Soil 1
Weak folder mud；
(3) the waterproof explosive 9 equipped with detonator 7 is tied up in the bottom for the anchor rod body 4 being made up of resistance to drawing-down silk 8, and make the silk of resistance to drawing-down
8 are uniformly distributed in around the waterproof explosive 9 equipped with detonator 7 along circumferential direction；
(4) waterproof explosive 9 is placed in 3 bottom holes of drilling；
(5) the slip casting into drilling 3, makes injecting cement paste 2 bury the waterproof explosive 9 of 4 bands of anchor rod body completely, and exceed its thickness
Powder charge top, detonate waterproof explosive 9 at once；The crack of Rock And Soil 1 around the bottom of 2 filling borehole of detonation strength driving injecting cement paste 3
Meanwhile, detonation strength drives resistance to drawing-down silk 8 to be scattered to the wall of a borehole 10 and the crack of Rock And Soil 1；
(6) it is suitable for reading to drilling 3 to refilling injecting cement paste 2 in drilling 3, while crack grouting body 6 of casting is in wall-rock crack 5.Build
Rise with drill 3 in injecting cement paste 2 be core, by the injecting cement paste 2 in wall-rock crack 5 and it is resistance to draw and attenuate the extension of silk 8 it is comprehensive, vertical
Body, compound anchoring, so that engineering safety.
Claims (2)
1. a kind of resistance to plucking anchor foundation, it is characterised in that：It enters ground including oblique cutting（11）The anchor rod body in beard and hair shape（4）；
The anchor rod body（4）By the silk of resistance to drawing-down（8）Constitute, the silk of resistance to drawing-down（8）Bottom tie up equipped with detonator（7）Waterproof explosive
（9）, and make the silk of resistance to drawing-down（8）It is uniformly distributed in along circumferential direction equipped with the detonator（7）The waterproof explosive（9）'s
Around.
2. a kind of construction method of resistance to plucking anchor foundation as claimed in claim 1, comprises the following steps：
(1) by design requirement to Rock And Soil（1）Drilling is set（3）；
(2) by part waterproof explosive（9）It is placed in the drilling（3）Bottom hole, push the drilling open using its blast（3）Bottom hole is attached
The nearly Rock And Soil（1）Weak folder mud in crack；
(3) by the silk of resistance to drawing-down（8）The anchor rod body of composition（4）Bottom tie up equipped with detonator（7）Waterproof explosive（9）, and make
The silk of resistance to drawing-down（8）It is uniformly distributed in along circumferential direction equipped with the detonator（7）The waterproof explosive（9）Around；
(4) by the waterproof explosive（9）It is placed in the drilling（3）Bottom hole；
(5) to the drilling（3）Interior slip casting, makes injecting cement paste（2）The anchor rod body is buried completely（4）The water resistant of institute's band is fried
Medicine（9）, and its thickness is exceeded powder charge top, detonate the waterproof explosive at once（9）；
(6) to the drilling（3）Inside refill the injecting cement paste（2）To the drilling（3）It is suitable for reading, while crack grouting of casting
Body（6）In wall-rock crack（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215881.8A CN107268622A (en) | 2016-04-09 | 2016-04-09 | A kind of resistance to plucking anchor foundation and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215881.8A CN107268622A (en) | 2016-04-09 | 2016-04-09 | A kind of resistance to plucking anchor foundation and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107268622A true CN107268622A (en) | 2017-10-20 |
Family
ID=60051955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610215881.8A Pending CN107268622A (en) | 2016-04-09 | 2016-04-09 | A kind of resistance to plucking anchor foundation and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107268622A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU42500U1 (en) * | 2004-07-26 | 2004-12-10 | Открытое акционерное общество "Всероссийский научно- исследовательский институт гидротехники им. Б.Е. Веденеева" | ANCHOR PILES |
| 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 |
| CN205502006U (en) * | 2016-04-09 | 2016-08-24 | 河南城建学院 | Resistance to plucking anchor foundation |
-
2016
- 2016-04-09 CN CN201610215881.8A patent/CN107268622A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU42500U1 (en) * | 2004-07-26 | 2004-12-10 | Открытое акционерное общество "Всероссийский научно- исследовательский институт гидротехники им. Б.Е. Веденеева" | ANCHOR PILES |
| 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 |
| CN205502006U (en) * | 2016-04-09 | 2016-08-24 | 河南城建学院 | Resistance to plucking anchor foundation |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |