CN107165172A - Clothoid type steel pipe support pile and support anchor rod and both application processes - Google Patents
Clothoid type steel pipe support pile and support anchor rod and both application processes Download PDFInfo
- Publication number
- CN107165172A CN107165172A CN201710583532.6A CN201710583532A CN107165172A CN 107165172 A CN107165172 A CN 107165172A CN 201710583532 A CN201710583532 A CN 201710583532A CN 107165172 A CN107165172 A CN 107165172A
- Authority
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- China
- Prior art keywords
- steel pipe
- pipe support
- anchor rod
- support pile
- pile
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 121
- 239000010959 steel Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 36
- 239000002689 soil Substances 0.000 claims abstract description 13
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
-
- 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
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
The invention discloses a kind of Clothoid type steel pipe support pile and support anchor rod and both application processes, the bottom of steel pipe support pile and steel pipe support anchor rod is equipped with augers, the lower end of augers is provided with least four blades, and the top of steel pipe support pile and steel pipe support anchor rod is provided with the driving rotary head for being easy to be connected with drive device；The diameter of the steel pipe support pile is more bigger than steel pipe support anchor rod.Using when by drive device drive steel pipe support pile and support anchor rod to make self tapping nail type rotary motion downwards, its steel pipe support pile and support anchor rod are stretched into soil layer vertically downward, realize the efficient Fast Installation support pile of foundation ditch.Clothoid type steel pipe support pile and support anchor rod of the present invention have low cost, construction fast, and bending resistance, shearing resistance, tension, shearing resistance, the high advantage of torsional strength, relative to other reinforcing pile bodies, the rotary digging pile driving construction duration is shorter, realizes that pattern foundation pit supporting structure bracing means is quick, efficiently accomplish.
Description
Technical field
The present invention relates to foundation pit support construction technical field, specifically the Clothoid type steel pipe support pile applied to pattern foundation pit supporting structure
With support anchor rod and both application processes.
Background technology
When building foundation pit is constructed, to ensure construction safety, cave in accident is prevented, it is necessary to the building foundation pit of excavation
Take supporting measure.Building foundation pit supporting design and construction should consider engineering geology and hydrogeologic condition, foundation ditch type,
Foundation ditch excavating depth, Yield rainfall relation condition and surrounding enviroment requirement unique to foundation pit side-wall, all side loads of foundation ditch and supporting construction
The factors such as useful life are, it is necessary to rationally be designed, well construction.And deep foundation pit support inner supporting structure is universal both at home and abroad at present
Using two kinds of structure types：A kind of is the structure using concrete as inner support, and another made using supporting frame with steel structure
For supporting construction.Although both supporting constructions can play certain support action, because self structure intensity is obvious not
Foot, pile body and anchor pole can not repeat dismounting and utilize so that there are the following problems for foundation pit support construction：1) construction technology is multiple
It is miscellaneous；2) it is disposable input, it is not recyclable；3) waste of resource；4) underground pollution is formed；5) the relative construction period is long；6) base
The security for cheating support engineering is uncontrollable；7) engineering cost is higher.
The content of the invention
The technical problems to be solved by the invention be to provide a kind of Clothoid type steel pipe support pile and support anchor rod and both
Application process, by the way that support pile and support anchor rod are carried out into foundation pit support construction using self threading pin principle, realizes and efficiently, fast applies
Work is operated, and the repeatable utilization of material, is reduced construction cost, is shortened the construction period.
The present invention solves above-mentioned technical problem with following technical scheme：
Clothoid type steel pipe support pile and support anchor rod of the present invention, the support anchor rod are the steel pipe supporting anchor that inclined is supported
Bar, the steel pipe support pile is the steel pipe support pile of vertical support, and the bottom of the steel pipe support pile and steel pipe support anchor rod is equal
Provided with augers, the lower end of augers, which is provided with the top of at least four blades, steel pipe support pile and steel pipe support anchor rod, to be set
There is the driving rotary head for being easy to be connected with drive device；The diameter of the steel pipe support pile is more bigger than steel pipe support anchor rod.
The augers includes the helical blade being fixed on steel pipe support pile and steel pipe support anchor rod, the helical blade
Enclosed around stake bar one.
Arranged in the blade between two corresponding blades in skew symmetry, and in same round wire.
The driving rotary head is to be arranged on the inner hexagonal hole at the top of the stake bar of steel pipe support pile and steel pipe support anchor rod, should
Inner hexagonal hole and the drive rod of drive device match.
The application side of the application process, wherein steel pipe support pile of Clothoid type steel pipe support pile and support anchor rod of the present invention
Method is as follows：
1) by the augers of steel pipe support pile to landing ground direction, the driving rotary head at the top of steel pipe support pile is filled with driving
Put and be connected, drive steel pipe support pile to make self tapping nail type rotary motion downwards by drive device, its steel pipe support pile it is vertical to
Under stretch into soil layer；
2) when depth needed for steel pipe support pile not yet reaches, at the top of steel pipe support pile by welding or being threadedly coupled
Steel pipe of one section of top with driving rotary head, is then connected, then lead to by the driving rotary head of the steel pipe top with drive device
Over-driving device drives steel pipe support pile to continue to rotate depth needed for push-in；
The application process of the steel pipe support anchor rod is as follows：
By the oblique push-in soil layer of support anchor rod between two support piles extended vertically into soil layer or on the native slope of shield
Interior, its propulsion method is identical with the propulsion method of support pile, between two support anchor rods or between support anchor rod and support pile
It is connected by connecting rod, to consolidate the supporting construction of whole foundation ditch；
When not needing the support of support pile and support anchor rod, support pile and the rotation of support anchor rod opposite direction can be transferred to
Support pile and support anchor rod are to re-use.
Clothoid type steel pipe support pile and support anchor rod of the present invention are applicable to the ground of sand, clay, tabia or ground class
Environment.
Clothoid type steel pipe support pile and support anchor rod of the present invention have low cost, construction fast, and bending resistance, shearing resistance, tension, anti-
The high advantage of intensity is turned round, relative to other reinforcing pile bodies, the construction period is shorter, can realize pattern foundation pit supporting structure bracing means fast
Speed, efficiently accomplish, and construction technology is simple, material is recyclable to be recycled for multiple times, reach more than 50 times, not waste of resource,
Not impurely under, the security of concealed work is relatively controllable, low with respect to engineering cost.
Brief description of the drawings
Fig. 1 is Clothoid type steel pipe support pile substructure schematic diagram of the present invention.
Fig. 2 is Fig. 1 elevational schematic view.
Fig. 3 is the structural representation on Clothoid type steel pipe support pile top of the present invention.
Fig. 4 is Fig. 3 A-A profiles.
Fig. 5 is working state schematic representation when Clothoid type steel pipe support pile of the present invention is just creeping into chi.
Fig. 6 is working state schematic representation when Clothoid type steel pipe support pile back-drilling of the present invention is transferred to.
Fig. 7 is the structural representation that the first arrangement and method for construction is completed using Clothoid type steel pipe support pile of the present invention and support anchor rod
Figure.
Fig. 8 is the structural representation that second of arrangement and method for construction is completed using Clothoid type steel pipe support pile of the present invention and support anchor rod
Figure.
Fig. 9 is the structural representation that the third arrangement and method for construction is completed using Clothoid type steel pipe support pile of the present invention and support anchor rod
Figure.
Figure 10 is the structural representation that the 4th kind of arrangement and method for construction is completed using Clothoid type steel pipe support anchor rod of the present invention.
In figure：A-steel pipe support anchor rod, B-steel pipe support pile, 1-stake bar, 2-augers, 3-blade, 4-drive
Dynamic rotary head, 5-ground, 6-foundation ditch, 7-connecting rod.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Fig. 1-Fig. 4, Fig. 7, the present invention includes making the steel pipe support anchor rod A of inclined support and makees vertical support
Steel pipe support pile B, steel pipe support pile B and steel pipe support anchor rod A bottom are equipped with augers 2, and the lower end of augers 2 is set
There are at least four blades 3 (as needed, it can also be provided that more than four), steel pipe support pile B and steel pipe support anchor rod A top
Portion is provided with the driving rotary head 4 for being easy to be connected with drive device；Steel pipe support pile B diameter is more bigger than steel pipe support anchor rod A.
As shown in Fig. 1 and Fig. 2, the augers 2 includes the spiral shell being fixed on steel pipe support pile or steel pipe support anchor rod
Vane piece and four blades 3, the helical blade are just enclosed around stake bar 1 one.It is between two corresponding blades in four blades
Skew symmetry is arranged, and in same round wire.When blade rotates, the front end of augers 2 is formed without dead angle crushing effect.
As shown in Fig. 3 and Fig. 4, the driving rotary head 4 is the stake bar top for being arranged on steel pipe support pile and steel pipe support anchor rod
The inner hexagonal hole in portion, the inner hexagonal hole and drive device (drive device is motor or electric drill etc., not shown in figure)
Drive rod match.
Clothoid type steel pipe support pile B of the present invention application process is：
1) by steel pipe support pile B augers 2 to the direction of landing ground 5, the driving rotary head 4 at the top of steel pipe support pile is with driving
Dynamic device is connected, and drives steel pipe support pile to make self tapping nail type rotary motion downwards by drive device, and its steel pipe support pile hangs down
Directly extend downwardly into soil layer (as shown in Figure 5), just can excavation pit 6, steel pipe support pile gos deep into soil layer and can reach more than 50 meters；
2) when depth needed for steel pipe support pile not yet reaches, at the top of steel pipe support pile by welding or being threadedly coupled
Steel pipe of one section of top with driving rotary head, is then connected, then lead to by the driving rotary head of the steel pipe top with drive device
Over-driving device drives steel pipe support pile to continue to rotate depth needed for push-in；
Clothoid type steel pipe support anchor rod A of the present invention application process is as follows：
It is between two steel pipe support piles extended vertically into soil layer or on the native slope of shield that many support anchor rods are oblique
It is pushed into soil layer, its propulsion method is identical with the propulsion method of support pile, between two support anchor rods or support anchor rod and branch
It is connected between fender pile by connecting rod, to consolidate the supporting construction of whole foundation ditch；It is reachable that steel pipe support anchor rod gos deep into soil layer
To more than 35 meters.
When not needing the support of support pile and support anchor rod, support pile and the rotation of support anchor rod opposite direction can be transferred to
Support pile and support anchor rod are to re-use, as shown in Figure 6.
Clothoid type steel pipe support pile and support anchor rod of the present invention use self threading pin principle, by steel pipe support pile and steel pipe
The bottom of support anchor rod sets augers and blade, and the ground of steel pipe front end is crushed by augers, helical blade is utilized
Rotationally clockwise, the purpose of conveying support pile and anchor pole is reached.And steel pipe support pile is in the whole of foundation pit supporting construction
Body rigidity and resistance to capsizing are strong, and relative to other reinforcing pile bodies, the rotary digging pile driving construction duration is shorter, realize pattern foundation pit supporting structure reinforcing
Device is quick, efficiently accomplish.It is after foundation ditch is backfilled, augers is inverse when project subject is accomplished to more than positive negative zero
Clockwise is rotated, you can steel pipe support pile and anchor pole are taken out, is reused, realizes the efficient Fast Installation supporting of foundation ditch
Stake.
The length and diameter of fender pile and support anchor rod of the present invention can calculate true according to the stressing conditions at foundation ditch scene
Determine the specification of stake bar.
Constructing operation is carried out using Clothoid type steel pipe support pile of the present invention and support anchor rod, it is possible to achieve a variety of to apply formula side
Formula：
The first form of construction work, as shown in Figure 7, vertically pushes steel pipe support pile B to stratum and makees after vertical support, excavates base
Hole, while stretching into side soil layer by support anchor rod A is oblique, and forms fixed company by connecting rod by steel pipe support pile
Connect, so that stable foundation ditch.This form of construction work realizes the big supporting construction of lateral rigidity, increases foundation pit construction working space, side
Just earth excavation and Underground Construction.
Second of form of construction work, as shown in Figure 8, by before and after foundation ditch direction two steel pipe support pile B vertically push to
Stratum is made after vertical support, excavation pit, while connected between front and rear two steel pipe support piles B by the formation of connecting rod 7, from
And obtain double-deck firm effect.
The third form of construction work, as shown in Figure 9, vertically pushes steel pipe support pile B to stratum and makees after vertical support, excavates base
Hole, while being connected between two corresponding steel pipe support pile B by the formation of connecting rod 7, so that firm support post.
4th kind of form of construction work, as shown in Figure 10, by the oblique push-in soil layers of many support anchor rod A on the native slope of shield
Interior, its propulsion method is identical with the propulsion method of support pile, is connected between two support anchor rods by connecting rod, with steady
Gu whole supporting construction.
Claims (5)
1. Clothoid type steel pipe support pile and support anchor rod, it is characterised in that the support anchor rod is the steel pipe supporting that inclined is supported
Anchor pole, the steel pipe support pile is the steel pipe support pile of vertical support；The bottom of the steel pipe support pile and steel pipe support anchor rod
Augers is equipped with, the lower end of augers is provided with the top of at least four blades, steel pipe support pile and steel pipe support anchor rod
Provided with the driving rotary head for being easy to be connected with drive device；The diameter of the steel pipe support pile is more bigger than steel pipe support anchor rod.
2. Clothoid type steel pipe support pile and support anchor rod according to claim 1, it is characterised in that the augers includes
The helical blade on steel pipe support pile and steel pipe support anchor rod is fixed on, the helical blade is enclosed around stake bar one.
3. Clothoid type steel pipe support pile and support anchor rod according to claim 1, it is characterised in that two phases in the blade
Arranged between corresponding blade in skew symmetry, and in same round wire.
4. Clothoid type steel pipe support pile and support anchor rod according to claim 1, it is characterised in that the driving rotary head is sets
Put the inner hexagonal hole at the top of the stake bar of steel pipe support pile and steel pipe support anchor rod, the drive of the inner hexagonal hole and drive device
Lever matches.
5. the application process of Clothoid type steel pipe support pile and support anchor rod according to claim 1-4, it is characterised in that institute
The application process for stating steel pipe support pile is as follows：
1) by the augers of steel pipe support pile to landing ground direction, driving rotary head and drive device phase at the top of steel pipe support pile
Connection, drives steel pipe support pile to make self tapping nail type rotary motion downwards, its steel pipe support pile is stretched vertically downward by drive device
In underground layer；
2) when depth needed for steel pipe support pile not yet reaches, at the top of steel pipe support pile by welding or being threadedly coupled one section
Steel pipe of the top with driving rotary head, is then connected by the driving rotary head of the steel pipe top with drive device, then by driving
Dynamic device drives steel pipe support pile to continue to rotate depth needed for push-in；
The application process of the steel pipe support anchor rod is as follows：
Between two support piles extended vertically into soil layer or on the native slope of shield by support anchor rod in oblique push-in soil layer, its
Propulsion method is identical with the propulsion method of support pile, by even between two support anchor rods or between support anchor rod and support pile
Extension bar part is connected, to consolidate the supporting construction of whole foundation ditch；
When not needing the support of support pile, support pile and the rotation of support anchor rod opposite direction can be transferred into support pile and supporting anchor
Bar is re-used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583532.6A CN107165172A (en) | 2017-07-18 | 2017-07-18 | Clothoid type steel pipe support pile and support anchor rod and both application processes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583532.6A CN107165172A (en) | 2017-07-18 | 2017-07-18 | Clothoid type steel pipe support pile and support anchor rod and both application processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107165172A true CN107165172A (en) | 2017-09-15 |
Family
ID=59816993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710583532.6A Pending CN107165172A (en) | 2017-07-18 | 2017-07-18 | Clothoid type steel pipe support pile and support anchor rod and both application processes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107165172A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411528A (en) * | 2020-11-27 | 2021-02-26 | 江苏建院营造股份有限公司 | Novel spiral steel pipe pile and construction process thereof |
| CN113250215A (en) * | 2021-06-11 | 2021-08-13 | 郑州航空工业管理学院 | Intelligent supporting device is used in road and bridge construction |
| CN118223511A (en) * | 2024-05-22 | 2024-06-21 | 保利长大工程有限公司 | Complete restoration system for unstably filling and digging combined roadbed side slope and construction method thereof |
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| CN202090352U (en) * | 2011-05-26 | 2011-12-28 | 昆明二建建设（集团）有限公司 | Deep foundation pit bracing system with steel pipe piles-self-drilling type pre-stress anchor rods |
| CN202882966U (en) * | 2012-10-24 | 2013-04-17 | 西安科技大学 | Recoverable soft rock self-tapping anchor rod |
| JP3191583U (en) * | 2014-03-25 | 2014-07-03 | アキュテック株式会社 | Tip wing member for ground reinforcement |
| CN205857201U (en) * | 2016-07-28 | 2017-01-04 | 兰州理工大学 | A kind of anchor pole mini pile multistage support structure |
| CN106437801A (en) * | 2016-11-25 | 2017-02-22 | 中国矿业大学 | Expandable self-anchored reaming anchor arm and support and protection method thereof |
| CN106522242A (en) * | 2016-12-21 | 2017-03-22 | 大连交通大学 | Foundation pit supporting system for subsurface structure close to soft ground stratum and construction method of foundation pit supporting system |
| CN206289633U (en) * | 2016-12-23 | 2017-06-30 | 北京航勘建设有限公司 | A kind of foundation ditch flexible supporting structure |
| CN206941610U (en) * | 2017-07-18 | 2018-01-30 | 朱鹏强 | Clothoid type steel pipe support pile and support anchor rod |
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2017
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201172818Y (en) * | 2008-04-03 | 2008-12-31 | 庄大伟 | Pile of twist drill |
| CN202090352U (en) * | 2011-05-26 | 2011-12-28 | 昆明二建建设（集团）有限公司 | Deep foundation pit bracing system with steel pipe piles-self-drilling type pre-stress anchor rods |
| CN202882966U (en) * | 2012-10-24 | 2013-04-17 | 西安科技大学 | Recoverable soft rock self-tapping anchor rod |
| JP3191583U (en) * | 2014-03-25 | 2014-07-03 | アキュテック株式会社 | Tip wing member for ground reinforcement |
| CN205857201U (en) * | 2016-07-28 | 2017-01-04 | 兰州理工大学 | A kind of anchor pole mini pile multistage support structure |
| CN106437801A (en) * | 2016-11-25 | 2017-02-22 | 中国矿业大学 | Expandable self-anchored reaming anchor arm and support and protection method thereof |
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| CN206289633U (en) * | 2016-12-23 | 2017-06-30 | 北京航勘建设有限公司 | A kind of foundation ditch flexible supporting structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411528A (en) * | 2020-11-27 | 2021-02-26 | 江苏建院营造股份有限公司 | Novel spiral steel pipe pile and construction process thereof |
| CN113250215A (en) * | 2021-06-11 | 2021-08-13 | 郑州航空工业管理学院 | Intelligent supporting device is used in road and bridge construction |
| CN113250215B (en) * | 2021-06-11 | 2022-05-17 | 郑州航空工业管理学院 | An intelligent support device for road and bridge construction |
| CN118223511A (en) * | 2024-05-22 | 2024-06-21 | 保利长大工程有限公司 | Complete restoration system for unstably filling and digging combined roadbed side slope and construction method thereof |
| CN118223511B (en) * | 2024-05-22 | 2024-08-30 | 保利长大工程有限公司 | Construction method of complete restoration system for roadbed side slope by combining unstably filling and digging |
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Application publication date: 20170915 |