CN206667238U - A kind of high-pressure rotary-spray pilework - Google Patents
A kind of high-pressure rotary-spray pilework Download PDFInfo
- Publication number
- CN206667238U CN206667238U CN201720321775.8U CN201720321775U CN206667238U CN 206667238 U CN206667238 U CN 206667238U CN 201720321775 U CN201720321775 U CN 201720321775U CN 206667238 U CN206667238 U CN 206667238U
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- China
- Prior art keywords
- stake
- stud
- basement rock
- interior
- spray
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Abstract
A kind of high-pressure rotary-spray pilework, including soil layer portion and basement rock portion, the soil layer portion is located at the surface in the basement rock portion, the soil layer portion includes interior stake and stud, the interior stake and the stud are around foundation ditch annular array, the diameter of the ring of the interior row of piles row is less than the diameter of the ring of stud arrangement, there is the first overlapping portion between each interior stake, there is the second overlapping portion between each stud, there is triple-overlapped portion between the interior stake and the stud, there are two triple-overlapped portions between one interior stake and two studs, there are two triple-overlapped portions between one stud and two interior stakes.The high-pressure rotary-spray pilework of the technical program realizes the reinforcing of self structure, while need the cycle time constructed by interior stake and stud lap fit.
Description
Technical field
It the utility model is related to rotary churning pile field, and in particular to a kind of high-pressure rotary-spray pilework.
Background technology
Jet groutinl method is also known as churning method slip casting, abbreviation rotary churning pile, rises the high-pressure injection in nineteen seventies
Slip casting method, eight, the nineties all-round developing and application is obtained in the whole nation.It facts have proved this method to handling mud, muck soil, gluing
Property soil, silt, sandy soil, artificial earth fill and gravelly soil etc. have good effect, and China has been included in existing《Ground and basis
Job specfication》.
Rotary churning pile is to bore rotary jet grouting pipe and shower nozzle using rig to be placed in a bottom design altitude, the slurry that will be prepared in advance
After liquid makes liquid stream obtain huge energy by high-voltage generator, ejected from the nozzle high speed of slip casting tube edge, form one
The liquid stream that stock energy height is concentrated, directly destroys the soil body, and in course of injection, drilling rod is lifted in rotation, slurries is filled with the soil body
Divide and be stirred, the column induration of certain diameter is formed in soil, so that ground is reinforced.Two are generally divided into construction
Sprayed after individual workflow, i.e. subdrilling, then lower bore is sprayed, and is then lifted out stirring, is ensured every meter of stake puddled soil ratio and quality.
But it is existing there is long construction period when carrying out Construction of High Pressure Jet Grouting Pile to annular foundation ditch, and water sealing consolidation
Effect is not good enough, and in order to solve this problem, applicant is improved for the structure of the high-pressure rotary jet grouting pile of annular foundation ditch, had
The shortening construction period of effect, and structure is more firm.
Utility model content
In view of the shortcomings of the prior art, proposition is a kind of can effectively to shorten construction period to the utility model, and will not tie
The more firm high-pressure rotary-spray pilework of structure, concrete technical scheme are as follows：
A kind of high-pressure rotary-spray pilework, including soil layer portion and basement rock portion, the soil layer portion be located at the basement rock portion just on
Side, the soil layer portion include interior stake and stud, the interior stake and the stud around foundation ditch annular array, what the interior row of piles arranged
The diameter of ring is less than the diameter of the ring of stud arrangement, there is the first overlapping portion, each stud between each interior stake
Between have the second overlapping portion, have triple-overlapped portion between the interior stake and the stud, an interior stake and two it is described outer
There are two triple-overlapped portions between stake, there are two triple-overlapped portions between a stud and two interior stakes.
First overlapping portion ensure that the steadiness of the structure between interior stake and interior stake, the second overlapping portion ensure that stud with it is outer
The steadiness of structure between stake, triple-overlapped portion ensure that the firm connection between interior stake and stud, compared to traditional interior stake
Multiple rows of arrangement, the utility model has only used interior stake and stud to realize the solid and reliable of structure, and needs the number constructed
Reduce, so as to reach the purpose for shortening construction period.
Further limit, the diameter of the interior stake and the diameter of the stud are equal, first overlapping portion, described second
Overlapping portion and the triple-overlapped portion are equal.
Size can also unanimously shorten the cycle of construction, when size is inconsistent, it is necessary to different bull sticks be changed, due to equal
It is heavy mechanical equipment, changes the time length that bull stick needs.
Further limit, the basement rock portion includes the first basement rock stake and the second basement rock stake, the center of circle of the first basement rock stake
With the center of circle coaxial line of the interior stake, the number of the first basement rock stake is less than the number of the interior stake, the second basement rock stake
The center of circle and the stud center of circle coaxial line, the number of the second basement rock stake is less than the number of the stud.
Basement rock portion serves the effect of firm foundation to soil layer portion, but the number of the first basement rock stake and the second basement rock stake is not
Need so much, the number of the first basement rock stake is less than the number of the interior stake, and the number of the second basement rock stake is less than institute
State the number of stud so that stabilized structure.
Further limit, be provided with support pile in the circle of the interior stake, the support pile is around foundation ditch circular arrangement, the supporting
The diameter of stake is more than the diameter of the interior stake, and support pile upper end floor projection is in the interior stake, the support pile lower end
Floor projection is in the first basement rock stake.
In Specific construction, the inner ring of support pile also needs to filling cast concrete, realizes the shaping to whole foundation ditch, props up
The effect of fender pile is the effect for reinforcing support, and soil layer portion has the function that sealing, and the main division of labor is different, but has reinforcing branch
The effect of support.
Further limit, the basement rock portion is structure made of slip casting, and the soil layer portion is structure made of churning.
In construction, the hole of soil layer portion construction is first rotated forward out using bull stick, then partial hole continues down to drill out basement rock portion
Construction hole, bull stick is inverted to the bottom position in soil layer portion, is then injected into Concrete Filled basement rock portion, and then bull stick continues
Reversion, while churning goes out concrete, until ground location, completes the construction in soil layer portion.
Further limit, the first basement rock stake and the second basement rock stake interlaced arrangement.
When stress in the radial direction, the first basement rock stake and the second basement rock stake are not susceptible to offset.
Further limit, the thickness of first overlapping portion, the second overlapping portion and triple-overlapped portion is 150mm-200mm.
Overlapping excessively to cause construction period elongated, overlapping very few, structure is not firm enough, does not also reach the purpose of sealing.
The beneficial effects of the utility model are：By the reinforcing of stake in the overlapping realization between interior stake and interior stake, by outer
Overlapping between stud the reinforcing for realizing stud of stake, by overlapping between interior stake and stud, overall reinforcing is realized, and have
Effect shortens the construction period needed, strengthens foundation by basement rock portion, main support protective action is realized by support pile.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the sequence of construction of soil layer portion 1.
The structural representation that Fig. 3 is interior stake 11 and stud 12 coordinates.
Fig. 4 is the structural representation in basement rock portion 2.
Component symbol explanation：Cheat base concrete 4, interior wall 5.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of high-pressure rotary-spray pilework, including soil layer portion 1 and basement rock portion 2, the soil
Layer portion 1 is located at the surface in the basement rock portion 2, and the soil layer portion 1 includes interior stake 11 and stud 12, the interior stake 11 and described outer
The diameter for the ring that stake 12 arranges around foundation ditch annular array, the interior stake 11 is less than the diameter of the ring of the stud 12 arrangement, respectively
There is the first overlapping portion 111 between the individual interior stake 11, there is the second overlapping portion 121, the interior stake 11 between each stud 12
There is triple-overlapped portion 122 between the stud 12, there are two the 3rd between an interior stake 11 and two studs 12
Overlapping portion 122, there are two triple-overlapped portions 122 between a stud 12 and two interior stakes 11.Described first is overlapping
The thickness in portion 111, the second overlapping portion 121 and triple-overlapped portion 122 is 150mm-200mm.
Overlapping excessively to cause construction period elongated, overlapping very few, structure is not firm enough, does not also reach the purpose of sealing.
First overlapping portion 111 ensure that the steadiness of the structure between interior stake 11 and interior stake 11, and the second overlapping portion 121 ensures
The steadiness of structure between stud 12 and stud 12, triple-overlapped portion 122 ensure that steady between interior stake 11 and stud 12
It is solidly connected, compared to multiple rows of arrangement of traditional interior stake 11, the utility model has only used interior stake 11 and stud 12 to realize structure
It is solid and reliable, and need the number constructed to reduce, so as to reach the purpose for shortening construction period.
As shown in Figure 2 and Figure 3, the diameter of the interior stake 11 and the diameter of the stud 12 are equal, first overlapping portion
111st, second overlapping portion 121 and the triple-overlapped portion 122 are equal.
Interior stake 11 and stud 12 in construction, it is necessary to crossed construction, it is specific as shown in Fig. 2 by S1, S2, S3, S4, S5,
S6, S7, S8, S9 order are constructed successively.
Size can also unanimously shorten the cycle of construction, when size is inconsistent, it is necessary to different bull sticks be changed, due to equal
It is heavy mechanical equipment, changes the time length that bull stick needs.
As shown in figure 4, the basement rock portion 2 includes the first basement rock stake 21 and the second basement rock stake 22, the first basement rock stake 21
The center of circle and the interior stake 11 center of circle coaxial line, the number of the first basement rock stake 21 is less than the number of the interior stake 11, institute
The center of circle of the second basement rock stake 22 and the center of circle coaxial line of the stud 12 are stated, the number of the second basement rock stake 22 is less than outside described
The number of stake 12.
Basement rock portion 2 serves the effect of firm foundation to soil layer portion 1, but the first basement rock stake 21 and the second basement rock stake 22
Number need not be so much, and the number of the first basement rock stake 21 is less than the number of the interior stake 11, the second basement rock stake 22
Number be less than the stud 12 number so that stabilized structure.
As Figure 1 and Figure 4, be provided with support pile 3 in the circle of the interior stake 11, the support pile 3 around foundation ditch circular arrangement,
The diameter of the support pile 3 be more than the interior stake 11 diameter, the upper end floor projection of support pile 3 in the interior stake 11,
The lower end floor projection of support pile 3 is in the first basement rock stake 21.
In Specific construction, the inner ring of support pile 3 also needs to filling cast concrete, realizes the shaping to whole foundation ditch,
The effect of support pile 3 is the effect of reinforcing support, and soil layer portion 1 has the function that sealing, and the main division of labor is different, but has and add
The effect of clamped support.
The basement rock portion 2 is structure made of slip casting, and the soil layer portion 1 is structure made of churning.
In construction, the hole of the construction of soil layer portion 1 is first rotated forward out using bull stick, then partial hole continues down to drill out basement rock portion
2 constructions hole, bull stick is inverted to the bottom position in soil layer portion 1, is then injected into Concrete Filled basement rock portion 2, then bull stick
Continue to invert, while churning goes out concrete, until ground location, completes the construction in soil layer portion 1.
As shown in figure 4, the first basement rock stake 21 and the interlaced arrangement of the second basement rock stake 22.
When stress in the radial direction, the first basement rock stake 21 and the second basement rock stake 22 are not susceptible to offset.
Horizon d 2 is in construction, it is necessary to the first basement rock stake 21 and the crossed construction of the second basement rock stake 22, as shown in figure 4, first
Construct completely black part, then the black and general white part of half of constructing, complete white part of finally constructing.
Claims (7)
- A kind of 1. high-pressure rotary-spray pilework, it is characterised in that：Including soil layer portion (1) and basement rock portion (2), soil layer portion (1) position In the surface of the basement rock portion (2), the soil layer portion (1) includes interior stake (11) and stud (12), the interior stake (11) and institute State stud (12) and be less than the ring of the stud (12) arrangement around foundation ditch annular array, the diameter of the ring of interior stake (11) arrangement Diameter, have the first overlapping portion (111) between each interior stake (11), have the second overlapping portion between each stud (12) (121), there is triple-overlapped portion (122) between the interior stake (11) and the stud (12), an interior stake (11) and two There are two triple-overlapped portions (122) between the stud (12), between a stud (12) and two interior stakes (11) There are two triple-overlapped portions (122).
- A kind of 2. high-pressure rotary-spray pilework according to claim 1, it is characterised in that：The diameter of the interior stake (11) and institute It is equal to state the diameter of stud (12), first overlapping portion (111), second overlapping portion (121) and the triple-overlapped portion (122) it is equal.
- A kind of 3. high-pressure rotary-spray pilework according to claim 1, it is characterised in that：The basement rock portion (2) includes first Basement rock stake (21) and the second basement rock stake (22), the center of circle of the first basement rock stake (21) and the center of circle of the interior stake (11) are coaxial Line, the number of the first basement rock stake (21) are less than the number of the interior stake (11), the center of circle of the second basement rock stake (22) and The center of circle coaxial line of the stud (12), the number of the second basement rock stake (22) are less than the number of the stud (12).
- 4. according to a kind of any described high-pressure rotary-spray pileworks of claim 1-3, it is characterised in that：The circle of the interior stake (11) Interior to be provided with support pile (3), the support pile (3) is more than the interior stake around foundation ditch circular arrangement, the diameter of the support pile (3) (11) diameter, on the interior stake (11), support pile (3) lower end is horizontal to throw support pile (3) the upper end floor projection Shadow is on the first basement rock stake (21).
- A kind of 5. high-pressure rotary-spray pilework according to claim 4, it is characterised in that：The basement rock portion (2) is slip casting system Into structure, the soil layer portion (1) is structure made of churning.
- A kind of 6. high-pressure rotary-spray pilework according to claim 5, it is characterised in that：The first basement rock stake (21) and institute State second basement rock stake (22) interlaced arrangement.
- A kind of 7. high-pressure rotary-spray pilework according to claim 6, it is characterised in that：First overlapping portion (111), The thickness of two overlapping portions (121) and triple-overlapped portion (122) is 150mm-200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321775.8U CN206667238U (en) | 2017-03-30 | 2017-03-30 | A kind of high-pressure rotary-spray pilework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321775.8U CN206667238U (en) | 2017-03-30 | 2017-03-30 | A kind of high-pressure rotary-spray pilework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206667238U true CN206667238U (en) | 2017-11-24 |
Family
ID=60373864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720321775.8U Expired - Fee Related CN206667238U (en) | 2017-03-30 | 2017-03-30 | A kind of high-pressure rotary-spray pilework |
Country Status (1)
| Country | Link |
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| CN (1) | CN206667238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893994A (en) * | 2020-07-27 | 2020-11-06 | 中交路桥建设有限公司 | Pile casing-free pore-forming method for foundation pile of aeolian dune steep slope |
-
2017
- 2017-03-30 CN CN201720321775.8U patent/CN206667238U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893994A (en) * | 2020-07-27 | 2020-11-06 | 中交路桥建设有限公司 | Pile casing-free pore-forming method for foundation pile of aeolian dune steep slope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |