CN207469263U - A kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile - Google Patents
A kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile Download PDFInfo
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- CN207469263U CN207469263U CN201721380624.6U CN201721380624U CN207469263U CN 207469263 U CN207469263 U CN 207469263U CN 201721380624 U CN201721380624 U CN 201721380624U CN 207469263 U CN207469263 U CN 207469263U
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- rotary digging
- foundation pit
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Abstract
The utility model discloses a kind of rotary digging stakes and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, belong to deep footing groove enclosing structure technical field, row's rotary digging drilling hole reinforced concrete pile including being set along foundation pit walls, row's high-pressure slip-casting drilled pile on the outside of foundation pit, waist rail in the middle part of rotary digging stake top portion's Guan Liang and rotary digging stake.There are gaps between the stake and stake of rotary digging drilling hole reinforced concrete pile, and the geotechnical boring of high-pressure slip-casting is set between adjacent studs.The utility model is to tilt a kind of existing structure intensity for seriously being difficult to apply under ground-connecting-wall geological conditions for rock face to have the Extra-Deep Foundation Pit system of sealing effect again.
Description
Technical field
The utility model belongs to deep footing groove enclosing structure technical field.
Background technology
Foundation pit surrounding rock body oblique rock surface degree is larger and gradient is irregular, rock mass is hard and the poor presence of globality is split
When gap, underground water development hydraulic pressure are larger, deep footing groove enclosing structure requires existing corresponding construction intensity to ensure not invade base again
Interior main body structure gauge is cheated, while building enclosure is required to have water-proof function.
Such geological conditions impact drill construction is difficult to ensure that into hole perpendicularity, does not have and applies ground-connecting-wall condition, and independent
Do not have water-proof function if applying piling structure using rotary digging stake.Because boring, hammer is hard in impact rock mass and oblique rock surface is tight
Sideslip phenomenon is serious in heavy and irregular gradient geological process, impact opening position verticality, the hole position extremely difficult guarantee of misalignment of axe,
And impact process easily generates card hammer, adjacent axially bored line is inconsistent to be difficult to form continuous wall construction, is applied according to rotary drilling rig
It if Raft enclosed structures, can not be engaged between stake and stake, do not have water-proof function and not have per pile stake for single structure body
Continuity, Support Function stability are poor.
Utility model content
The purpose of this utility model is that：It is proposed a kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile,
Form a kind of existing structure intensity has the Extra-Deep Foundation Pit system of sealing effect again.
The purpose of this utility model is realized by following technical proposals：
A kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, it is characterised in that：Including being set along foundation pit walls
Row's high pressure water mud inlet well stake on the outside of the row's rotary digging drilling hole reinforced concrete pile and foundation pit put, rotary digging drilling hole
There are gaps between the stake and stake of reinforced concrete pile, and high pressure water mud inlet well stake is set between each stake and stake,
At the top of rotary digging drilling hole reinforced concrete pile and middle part applies Guan Liang and waist rail respectively.
In the utility model, with reference to three kinds of rotary digging drilling hole stake, geotechnical boring, high-pressure slip-casting technological merits, rotary digging is first applied
Drill reinforced concrete pile, and geotechnical boring is applied between stake and stake, and slip casting steel pipe is inserted into geotechnical boring to geotechnical boring
Surrounding rock mass carries out high-pressure slip-casting and blocks rock cranny to reach sealing effect.Guan Liang is applied in rotary digging stake top, is being revolved after excavation
Bar planting applies waist rail, Guan Liang and waist rail and rotary digging stake is linked into an integrated model in the middle part of digging stake, and it is strong to form a kind of existing structure
Degree has the Extra-Deep Foundation Pit system of sealing effect again.
Alternatively, multiple tracks high pressure water mud inlet well stake is set between rotary digging drilling hole reinforced concrete pile.
Alternatively, rotary digging drilling hole reinforced concrete pile reinforcing bar reserves 0.45m length, rotary digging drilling hole armored concrete stake top
Portion applies 0.5*0.8m Guan Liangs, in the middle part of rotary digging drilling hole reinforced concrete pile bar planting apply 0.5*0.5m waist rails.
Alternatively, steel reinforcement cage is equipped in rotary digging drilling hole reinforced concrete pile.
As further selection, rotary digging drilling hole reinforced concrete pile stake holes diameter 0.8m, pile center spacing 0.9m, interior steel
Muscle cage diameter 0.7m, geotechnical boring diameter 108mm.In the program, preferred structural parameters so that Extra-Deep Foundation Pit system has
Best structural strength has the balance quality of best sealing effect again simultaneously.
The aforementioned main scheme of the utility model and its each further selection scheme can be freely combined to form multiple schemes,
The scheme that can be used and be claimed for the utility model；And the utility model, (each non conflicting selection) selection between and
It can also be freely combined between other selections.Those skilled in the art are after the present invention program is understood according to the prior art and public affairs
Know that common sense can be understood there are many combining, be the claimed technical solution of the utility model, do not do exhaustion herein.
The beneficial effects of the utility model：
1. evade the technology management and control risk that ground-connecting-wall is applied under irregular inclined rock base geological conditions；
2. mechanized construction degree is high, construction efficiency is done；
3. the structural protective system is easy for construction, there is no security risks.
Description of the drawings
Fig. 1 is the stake bit plane arrangement schematic diagram of the utility model embodiment；
Fig. 2 is the exemplary schematic diagram of maintenance system construction of the utility model embodiment；
Fig. 3 is the Guan Liang of the utility model embodiment and the exemplary schematic diagram of waist rail construction；
In figure, 1 is rotary digging drilling hole reinforced concrete wall, and 2 be high pressure water mud inlet well stake, and 3 Guan Liangs, 4 be waist rail.
Specific embodiment
The utility model is further described with reference to specific embodiments and the drawings.
With reference to shown in figure 1,2,3, a kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile are set along foundation pit walls
Put the rotary digging drilling hole reinforced concrete pile and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, including set along foundation pit walls one
Arrange row's high pressure water mud between rotary digging drilling hole reinforced concrete pile 1 on the outside of rotary digging drilling hole reinforced concrete pile 1 and foundation pit
Inlet well stake 2, is equipped with steel reinforcement cage in rotary digging drilling hole reinforced concrete pile 1, the stake and stake of rotary digging drilling hole reinforced concrete pile 1 it
Between there are gap, high pressure water mud inlet well stake 2 is set between each stake and stake.Foundation pit walls corner is not provided with churning driven
Hole reinforced concrete pile 1, but directly several high pressure water mud inlet well stakes 2 are continuously set.Preferably, such as 1 institute of attached drawing
Show, the continuously 2 high pressure water mud inlet well stakes 2 of setting of foundation pit walls corner.It is set at 1 top of rotary digging drilling hole reinforced concrete pile
It puts Guan Liang 3 to link rotary digging stake, during long to the stake half depth of excavation of foundation pit, be planted on rotary digging drilling hole reinforced concrete pile 1
Muscle applies waist rail 4 and further links Raft.Preferably, as shown in attached drawing 2,3, rotary digging drilling hole reinforced concrete pile 1
Stake holes diameter 0.8m, pile center spacing 0.9m, interior steel reinforcement cage diameter 0.7m, geotechnical boring diameter 108mm.Guan Liang size is
0.5*0.8m, waist rail size are 0.5*0.5m
The Specific construction step of aforementioned utility model is as follows：
Rotary digging drilling hole reinforced concrete pile 1 stake holes diameter 0.8m, pile center spacing 0.9m, steel reinforcement cage diameter 0.7m, stake with
Foundation pit lateral direction carries out geotechnical boring between stake, and bore diameter Ф 108mm are inserted into hot rolled seamless steel tube in geotechnical boring
4 Ф 10mm slurry outlets are opened in A108mm, thickness of pipe wall 6mm, length of tube direction every 200mm along circumferential direction.Steel pipe uses screw thread
Connection, screw thread length are 15cm.Slip casting machine selects KBY50/70 hydraulic pressure slip casting machines to inject cement grout in steel pipe, and cement mortar is
No. 42.5 Portland cements, the ratio of mud 0.8:1~1.5:1, grouting pressure control：First pressing 0.5MPa~1.0MPa, final pressure
2MPa stops slip casting after holding pressure 15min.The earthwork at the top of rotary digging drilling hole reinforced concrete pile is excavated, applies Guan Liang, in excavation pit
Cubic metre of earth to waist rail absolute altitude, on drilling reinforced concrete pile is dug bar planting apply waist rail.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, it is characterised in that：Including being set along foundation pit walls
Row's rotary digging drilling hole reinforced concrete pile and foundation pit on the outside of row's high pressure water mud inlet well stake, rotary digging drilling hole steel
There are gaps between the stake and stake of rib concrete pile, and high pressure water mud inlet well stake is set between each stake and stake, is being revolved
It digs at the top of drilling reinforced concrete pile and middle part applies Guan Liang and waist rail respectively.
2. rotary digging stake as described in claim 1 and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, it is characterised in that：Rotary digging
Multiple tracks high pressure water mud inlet well stake is set between drilling reinforced concrete pile.
3. rotary digging stake as described in claim 1 and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, it is characterised in that：Rotary digging
Drilling reinforced concrete pile reinforcing bar reserves 0.45m length, and 0.5*0.8m Guan Liangs are applied at the top of rotary digging drilling hole reinforced concrete pile,
Bar planting applies 0.5*0.5m waist rails in the middle part of rotary digging drilling hole reinforced concrete pile.
4. rotary digging stake as described in claim 1 and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, it is characterised in that：Rotary digging
The reinforced concrete pile that drills is interior to be equipped with steel reinforcement cage.
5. rotary digging stake as claimed in claim 4 and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile, it is characterised in that：Rotary digging
Drill reinforced concrete pile stake holes diameter 0.8m, pile center spacing 0.9m, interior steel reinforcement cage diameter 0.7m, geotechnical boring diameter
108mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380624.6U CN207469263U (en) | 2017-10-25 | 2017-10-25 | A kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380624.6U CN207469263U (en) | 2017-10-25 | 2017-10-25 | A kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile |
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| Publication Number | Publication Date |
|---|---|
| CN207469263U true CN207469263U (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721380624.6U Active CN207469263U (en) | 2017-10-25 | 2017-10-25 | A kind of rotary digging stake and the compound Extra-Deep Foundation Pit system of high-pressure slip-casting pile pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293566A (en) * | 2021-12-21 | 2022-04-08 | 中交二航局成都城市建设工程有限公司 | Enclosure construction method suitable for subway station auxiliary structure |
-
2017
- 2017-10-25 CN CN201721380624.6U patent/CN207469263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293566A (en) * | 2021-12-21 | 2022-04-08 | 中交二航局成都城市建设工程有限公司 | Enclosure construction method suitable for subway station auxiliary structure |
| CN114293566B (en) * | 2021-12-21 | 2023-08-22 | 中交二航局成都城市建设工程有限公司 | Building envelope construction method suitable for subway station auxiliary structure |
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