CN208618426U - A kind of miniature clump of piles formula antiskid structure system of cantilever pile- - Google Patents
A kind of miniature clump of piles formula antiskid structure system of cantilever pile- Download PDFInfo
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- CN208618426U CN208618426U CN201821091249.8U CN201821091249U CN208618426U CN 208618426 U CN208618426 U CN 208618426U CN 201821091249 U CN201821091249 U CN 201821091249U CN 208618426 U CN208618426 U CN 208618426U
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Abstract
The utility model provides a kind of miniature clump of piles formula antiskid structure system of cantilever pile-, including proof box of deep buried type cantilever pile and multiple mini piles, cantilever pile is vertically arranged and is made of the section that sinks on the fixed section of lower part and top, fixed section is embedded under the deep implication face on landslide and sinks to section and is embedded on the deep implication face on the landslide, the length of fixed section is sink to segment length 1/3~2/5, all mini piles are all set in the top of the landslide upper cantilever stake, and all mini pile lower ends both pass through shallow-layer gliding mass and squeeze into failure by leaking face, structural system further includes one or more top plates, each top plate connects multiple mini pile upper ends and forms a miniature clump of piles.The utility model has the beneficial effects that cantilever pile length is short, bending value, shear stress reduce, and stress is more reasonable, proof box of deep buried type friction pile is overcome simultaneously, the bad disadvantage of bursting that jumps easily occurs, and miniature pile construction is convenient, it is quick flexible, short time limit, the reinforcing on the ground landslide deeper for slide strips.
Description
Technical field
The utility model relates to explore ground building field more particularly to a kind of miniature clump of piles formula antiskid structure of cantilever pile-
System.
Background technique
Since national hydropower economics are implemented, take place frequently ground in Southwestern China complex geologic conditions, Landslide Hazards
Area has built up large quantities of large-scale water conservancy and hydropower multi-purpose projects in succession, forms a large amount of deep layer landslide disasters.Such as in water cloth a strip of land between hills reservoir area,
It co-exists at geological disaster point 203, wherein slip mass 122, at colluvial clay 78, at Dangerous Rock Body 3；In Three Gorges Reservoir,
It co-exists at geological disaster point 5386, wherein fairly large landslide, collapse body, at totally 2490, geological disaster so far in 2002 is controlled
Reason has been put into more than 150 Yu Yiyuan.Although there is more deep understanding for friction pile mechanism of action at present, it is directed to deep layer
Major landslip, since its Thrust is big, design pile body it is long, section is big, and pile body stress is unreasonable, and Treatment design expense is huge
Greatly, construction technical requirement is high, and regulation effect is not good enough.Therefore for this kind of landslide controls, either design theory is still administered
That practices is difficult.
Utility model content
In order to overcome the friction pile cost on existing medium bed landslide high, construct the deficiencies of inconvenient, the utility model combines heavy
The characteristics of buried friction pile and mini pile, the embodiments of the present invention provide a kind of miniature clump of piles formula antiskid knot of cantilever pile-
Structure system reduces cost, shortens the construction period, keep structure stress more reasonable, give full play to strength of the mixing pile for reinforcing landslide.
The embodiments of the present invention provide a kind of miniature clump of piles formula antiskid structure system of cantilever pile-, deep for fixing
Layer landslide, including proof box of deep buried type cantilever pile and multiple mini piles, the cantilever pile are vertically arranged and by the fixed section of lower part and tops
Sink to section composition, the fixed section be embedded under the deep implication face on landslide and it is described sink to section be embedded in the landslide deep layer it is sliding
On dynamic face, the length of the fixed section sinks to the 1/3~2/5 of segment length to be described, and all mini piles are all set in the landslide
The top of the upper cantilever pile, and all mini pile lower ends both pass through shallow-layer gliding mass and squeeze into failure by leaking face, the structural system
It further include one or more top plates, each top plate connects multiple mini pile upper ends and forms a miniature clump of piles.
Further, be equipped with firming section on the cantilever pile, the length of the firming section be the cantilever pile upper end extremely
The distance of the landslide slope surface.
Further, a steel pipe and the cantilever pile GPS poured based on the steel pipe prison is arranged in the cantilever pile top
Survey pier.
Further, mini pile GPS is set at least one top plate and monitors pier.
Further, including multiple slopes GPS monitor pier, and all slopes GPS monitoring piers are all set in landslide slope surface.
Further, the diameter of the mini pile is 150~300mm.
The technical solution that the embodiments of the present invention provide has the benefit that a kind of cantilever of the utility model
Stake-miniature clump of piles formula antiskid structure system is compared to overall length formula friction pile, and cantilever pile length is short, and bending value, shear stress subtract
Small, stress is more reasonable, and consumption of materials is less, more economical, at the same overcome proof box of deep buried type friction pile easily occur jump bursting it is bad
The shortcomings that, and miniature pile construction is convenient, quick flexibly short time limit can satisfy various requirement, and the ground deeper for slide strips is sliding
The reinforcing on slope may replace the structures such as long stake, pre-stress anti-slide pile, have can effectively reinforce landslide, construction it is relatively simple,
The positive effects such as cost reduces, the duration is relatively short.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the miniature clump of piles formula antiskid structure system of cantilever pile-of the utility model；
Fig. 2 is the schematic diagram of cantilever pile 1 in Fig. 1；
Fig. 3 is the schematic diagram of top plate.
In figure: 1- cantilever pile, 2- mini pile, 3- fixed section, 4- sink to section, 5- firming section, 6- steel pipe, 7- cantilever pile GPS
Monitor pier, 8- mini pile GPS monitoring pier, 9- slopes GPS monitoring pier, 10- top plate, 11- sleeve, the landslide 12-, 13- deep implication
Face, 14- failure by leaking face.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
A kind of miniature clump of piles formula antiskid structure system of cantilever pile-of the utility model is for fixed deep heavy laver land slide, i.e., sliding
Body thickness is more than 30m, and landslide is made of gliding mass, slide strips, slider bed, and slider bed generally stablizes Rock And Soil, and deep implication face is to slide
Slope Weak face etc. is located in the Rock And Soil of deep, and failure by leaking face is then after reinforcing deep sliding surface due to cantilever pile, to be located at stake top
Above gliding mass plays pendulum, and forms the failure by leaking face for stake top of jumping over, and secondary sliding occurs.
FIG. 1 to FIG. 3 is please referred to, the embodiments of the present invention provide a kind of miniature clump of piles formula antiskid structure of cantilever pile-
System, including proof box of deep buried type cantilever pile 1 and multiple mini piles 2 pass through deep implication face by 1 bottom end of cantilever pile in landslide 12
13 build-in deep layer slide strips, the entire landslide 12 of reinforcing, while to prevent 12 generation jump bursting of landslide bad, it is implanted into above cantilever pile 1
An a row or multi-row miniature clump of piles, a miniature clump of piles, which passes through shallow-layer gliding mass and squeezes into, may occur the bad potential water use of jump bursting, i.e., shallowly
Layer sliding surface 14, while more 2 stake tops of mini pile are formed into entirety by the connection of top plate 10.
The cantilever pile 1 is vertically arranged and is made of the section 4 that sinks on the fixed section of lower part 3 and top, and the fixed section 3 buries
Under the deep implication face 13 on landslide and it is described sink on the deep implication face 13 that section 4 is embedded in the landslide, it is described to sink to section 4
Length and the length of the fixed section 3 are calculated by limit equilibrium method, according to " hazards control engineering design code "
The Design of length of the fixed section 3 is sunk to the 1/3~2/5 of section 4 to be described by [DB50/5029-2004].
Described sink to is equipped with firming section 5 on section 4, the firming section 5 is by banketing 1 upper end of cantilever pile to the landslide
Space between 12 slope surfaces is tamped densification and is formed, and 1 top of cantilever pile is arranged a steel pipe 6 and is poured based on the steel pipe 6
The cantilever pile GPS monitoring pier 7 built, the cantilever pile 1 is to pour to be formed, under the pre-buried steel pipe 6 of 1 stake top of cantilever pile, steel pipe 6
20~30cm is held to be embedded to cantilever pile 1,12 surfaces of landslide are stretched out in 6 upper end of steel pipe, and the cantilever pile GPS monitoring pier 7 is with the steel pipe 6
Based on pour to be formed, by displacement data judge landslide deep layer slide strips deformation, thus early warning.
The diameter of the mini pile 2 is 150~300mm, and all mini piles 2 are all set in the cantilever pile on the landslide 12
1 top, and 2 lower end of all mini piles both passes through shallow-layer gliding mass and squeezes into failure by leaking face 14, the structural system further includes one
Or multiple top plates 10, each top plate 10 connect multiple 2 upper ends of mini pile and form a miniature clump of piles, each top plate 10 is equipped with
Multiple sets of holes 11 simultaneously entangle the wechat stake 2 by sets of holes 11, and mini pile GPS monitoring pier 8 is arranged on each top plate 10,
By displacement data judge landslide 12 whether occur jump bursting it is bad, can also to 2 pile body of mini pile install deformation monitoring device, according to
The type of mini pile 2 monitors reinforcing bar axle power, steel pipe strain etc. respectively, judges potential sliding by 2 pile body deformation of mini pile, moment of flexure
Face and its deformation provide data for 12 jump bursting bad early-warning and predicting of landslide.
The structural system is additionally provided with multiple slopes GPS monitoring piers 9, and all slopes GPS monitoring piers 9 are all set in landslide 12
Surface, 4 slopes GPS of selection monitor piers 9 in the present embodiment, wherein 1 top 3 of cantilever pile, 1 lower section 3 of cantilever pile, cantilever pile
GPS monitors pier 7, all mini pile GPS monitoring pier 8, all mini pile pile body deformation monitoring devices and all slopes GPS and monitors pier
9 constitute the monitoring system of the structural systems, the monitoring system for including the landslide of implantation antiskid structure, the comprehensive of external cause make
The characteristics of still failing under, monitors landslide-antiskid structure system in conjunction with the combined anti-slide construct of the structural system
Deformation provides data for landslide 12 damage alarms forecast.
The embodiments of the present invention additionally provide a kind of building of miniature clump of piles formula antiskid structure system of above-mentioned cantilever pile-
Method, comprising the following steps:
S1 calculates Thrust of Landslide curve using limit equilibrium method, determines sink position and the cantilever pile 1 of cantilever pile 1
3 length h of fixed sectionaWith sink to 4 length h of section；
S2 calculates landslide 12 failure by leaking face, 14 depth according to the position of 1 stake top of cantilever pile, and according to failure by leaking
Length, number of rows, inclination angle and the arrangement mode of 14 depth gauge of face calculating mini pile 2；
S3 excavates cantilever stake holes, digs to landslide 13 or less h of deep implication faceaDepth, in casting concrete in cantilever stake holes,
Pouring height is ha+ h bankets into cantilever stake holes after concrete setting forms cantilever pile 1 and tamps densification；
S4 selects suitable construction technology according to gliding mass soil nature matter, the cantilever pile 1 long and field condition on landslide 12, in this
The top of the cantilever pile 1 applies all mini pile 2 on landslide 12；
S5 applies one or more top plates 10, so that each top plate is connected multiple 2 upper ends of mini pile and forms a miniature clump of piles.
Landslide control generallys use friction pile implantation sliding surface once stable rock stratum, by stablize the drag of rock stratum offer come
Rear thrust is balanced, landslide overall stability is improved.For middle deep heavy laver land slide, antiskid stake body is too long, flexible big, and sink
Formula cantilever pile 1 shortens the maximum thrust increasing that stake is long, and reduction bending and shearing keep pile body stress more reasonable, can bear
Greatly, the stability of deep layer slide strips is improved, and 2 build-in shallow-layer slide strips of mini pile, prevention and treatment landslide generation jump bursting are bad, and it is whole to improve landslide
Body stability.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of miniature clump of piles formula antiskid structure system of cantilever pile-, for fixed deep heavy laver land slide, it is characterised in that: including heavy
Buried cantilever pile and multiple mini piles, the cantilever pile are vertically arranged and are made of the section that sinks on the fixed section of lower part and top,
The fixed section is embedded under the deep implication face on landslide and the section that sinks to is embedded on the deep implication face on the landslide, described
The length of fixed section sinks to the 1/3~2/5 of segment length described in being, all mini piles are all set in the cantilever pile on the landslide
Top, and all mini pile lower ends both pass through shallow-layer gliding mass and squeeze into failure by leaking face, the structural system further include one or more
A top plate, each top plate connect multiple mini pile upper ends and form a miniature clump of piles.
2. a kind of miniature clump of piles formula antiskid structure system of cantilever pile-as described in claim 1, it is characterised in that: the cantilever
Firming section is equipped on stake, the length of the firming section is distance of the cantilever pile upper end to the landslide slope surface.
3. a kind of miniature clump of piles formula antiskid structure system of cantilever pile-as described in claim 1, it is characterised in that: the cantilever
A steel pipe and the cantilever pile GPS poured based on the steel pipe monitoring pier is arranged in stake top.
4. a kind of miniature clump of piles formula antiskid structure system of cantilever pile-as claimed in claim 3, it is characterised in that: at least one institute
It states and mini pile GPS monitoring pier is set on top plate.
5. a kind of miniature clump of piles formula antiskid structure system of cantilever pile-as claimed in claim 4, it is characterised in that: including multiple
Slopes GPS monitors pier, and all slopes GPS monitoring piers are all set in landslide slope surface.
6. a kind of miniature clump of piles formula antiskid structure system of cantilever pile-as described in claim 1, it is characterised in that: described miniature
The diameter of stake is 150~300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091249.8U CN208618426U (en) | 2018-07-10 | 2018-07-10 | A kind of miniature clump of piles formula antiskid structure system of cantilever pile- |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091249.8U CN208618426U (en) | 2018-07-10 | 2018-07-10 | A kind of miniature clump of piles formula antiskid structure system of cantilever pile- |
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| Publication Number | Publication Date |
|---|---|
| CN208618426U true CN208618426U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821091249.8U Expired - Fee Related CN208618426U (en) | 2018-07-10 | 2018-07-10 | A kind of miniature clump of piles formula antiskid structure system of cantilever pile- |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842793A (en) * | 2018-07-10 | 2018-11-20 | 中国地质大学（武汉） | A kind of miniature clump of piles formula antiskid structure system of cantilever pile-and construction method |
| CN110004948A (en) * | 2019-04-19 | 2019-07-12 | 贵州省交通规划勘察设计研究院股份有限公司 | A kind of landslide reinforcement system and its reinforcement means |
-
2018
- 2018-07-10 CN CN201821091249.8U patent/CN208618426U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842793A (en) * | 2018-07-10 | 2018-11-20 | 中国地质大学（武汉） | A kind of miniature clump of piles formula antiskid structure system of cantilever pile-and construction method |
| CN110004948A (en) * | 2019-04-19 | 2019-07-12 | 贵州省交通规划勘察设计研究院股份有限公司 | A kind of landslide reinforcement system and its reinforcement means |
| CN110004948B (en) * | 2019-04-19 | 2024-05-07 | 贵州省交通规划勘察设计研究院股份有限公司 | Landslide reinforcement system and reinforcement method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20200710 |