CN207419452U - A kind of concrete-pile suitable for basement process - Google Patents
A kind of concrete-pile suitable for basement process Download PDFInfo
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- CN207419452U CN207419452U CN201721561778.5U CN201721561778U CN207419452U CN 207419452 U CN207419452 U CN 207419452U CN 201721561778 U CN201721561778 U CN 201721561778U CN 207419452 U CN207419452 U CN 207419452U
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Abstract
The utility model discloses a kind of concrete-piles suitable for basement process, include pile body, the variable section structure that pile body is integrally formed, expanding position is arranged at intervals on pile body, undergauge position is formed between adjacent expanding position, passes through necking down structure reinforcement by connection between undergauge position and expanding position；Expanding position is close ring or to offer the non-closed annulus that notch is formed, undergauge position and difference≤60mm of the radial width at the expanding position.It the advantage is that：Practicability is stronger, and applicability is wider, and pile body is directly contacted with original soil body in work progress, and there is no weak links, by extruding and vibration of the expanding position to the soil body, are obviously improved base soil bearing capacity；After the soil body cures, base soil upper load is uniformly distributed into Ji Tuzhong by the load-bearing face of expanding position and necking down structure, and an entirety is built into soil around pile, significantly improves settlement of foundation problem, improves ground general stability；It manufactures at low cost, good in economic efficiency.
Description
Technical field
The utility model is related to foundation treatment engineering technical fields, refer specifically to vertical reinforcement in foundation treatment engineering
The improvement of structure, more particularly to a kind of concrete-pile suitable for basement process.
Background technology
It is all kinds of to build with the proposition of the Major Strategics target such as " building ocean power ", " green building and building industrialization "
If engineering is rapidly developed, and constantly reduced available for the soil built, thus improved by basement process it is all kinds of special
The engineering substantial increase of geology.Weak soil has the special physico mechanical characteristics such as intensity is low, stability is poor, deformation is big, so as to
Its distinctive engineering problem is resulted in, if water content of soil is high, water penetration is excessively poor, and after bearing strong load, pore water pressure can be anxious
Play rises, and the compacting consolidation performance of ground can significantly reduce, and poor geological conditions proposes bigger challenge to Soft Ground,
It is not good at if processing is reinforced, the sinking of ground large area, foundation uneven settlement, the component considerable safeties such as collapse will be often caused to be asked
Topic.
At present, improve soft layer geology frequently with vertical reinforcement be mainly cement mixing method and common prestressing force
Concrete tubular pile, but Cement Mixing Pile Construction Technology is backward, resource consumption is big, more seriously the technique mud emission
It is more, it causes serious pollution to the environment, and some heavy metals (such as hexavalent chromium) may be released in boring procedure because of bit wear
Out, polluted underground water matter；And common prestressed concrete pipe pile can not interact with soil because pile body is smooth and form one
It is whole, often there are matrix sedimentation or local settlement issues, when especially weak intercalated layer is thicker, it is easier to basic stress occur not
, phenomena such as generating differential settlement, lateral displacement or vertical protuberance, at the same in construction due to instantaneous discharging consolidation effect not
Significantly, volume compression deformation is small, easily causes Super-void Water Pressure problem.
The patent of invention of Patent No. 201410653595.0 is directed to Soft Ground, discloses a kind of back-up sand bamboo joint pile
And its construction method, although the super quiet pore pressure generated during energy rapid dispersion construction, accelerates foundation soil body consolidation, improves soil around pile side
Frictional force.But the working procedure of this back-up sand bamboo joint pile is complicated, and quality controllability is poor, while in order to meet back-up sand in work progress
The requirement of draining, the height at least 100mm of pile body ring protrusion, ring are excessive not only in the easy shape between the soil body of work progress
It into gap, can also increase the spacing between two, the bearing capacity of ground unit area be reduced instead, in unit area bearing capacity
More demanding foundation treatment engineering can not be applicable in；Secondly, institute's back-up sand and soil layer intersection be there are weak link, herein frictional force
Smaller, bearing capacity suffered by pile body can not uniformly be effectively transmitted to soil around pile by ring position, it is impossible to form stake soil therewith altogether
It is androgynous.Therefore, the structure of the vertical reinforcement used in foundation treatment engineering need to be improved.
The content of the invention
Technical problem to be solved in the utility model is the present situation for the prior art, provides rational in infrastructure, and quality can
It leans on, a kind of manufacture concrete-pile suitable for basement process at low cost, good in economic efficiency, highly practical.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of concrete-pile suitable for basement process includes pile body, the variable section structure that pile body is integrally formed, stake
Be arranged at intervals with expanding position with it, be formed with undergauge position between adjacent expanding position, undergauge position and expanding position it
Between pass through necking down structure reinforcement by connection；Expanding position is close ring or to offer the non-closed annulus that notch is formed,
Undergauge position and difference≤60mm of the radial width at the expanding position.
The technical measures of optimization further include：
Above-mentioned expanding position spaced set.
The clear spacing at above-mentioned adjacent expanding position is 1.5 times to 3 times of expanding position diameter.
The axial length at above-mentioned expanding position is 60mm to 100mm.
The angle value of the load-bearing face of above-mentioned necking down structure and the angle α of horizontal plane is：90 ° of 30 °≤α ＜
The load-bearing face of above-mentioned necking down structure is equipped with rounded corner R1 with the junction at undergauge position, and the radius of rounded corner R1 is
10mm to 25mm.
The junction at the load-bearing face of above-mentioned necking down structure and the expanding position is equipped with rounded corner R2, and the half of rounded corner R2
Footpath is 20mm to 45mm.
When above-mentioned expanding position is non-closed annulus, the position of the notch at two neighboring expanding position radially plane around
The center of circle at expanding position rotates 180 ° of stagger settings.
The one or both ends of above-mentioned pile body are provided with an end wide diameter portion, and stake end wide diameter portion is close ring or non-closed
Annulus, the axial length of stake end wide diameter portion is 350mm to 650mm.
A kind of concrete-pile suitable for foundation treatment engineering of the utility model, pile body have variable section structure, are by more
The undergauge position and the integrally formed overall structure of wide diameter portion position composition that a consecutive intervals are set, in Soft Ground process
In, this concrete-pile by the relatively low static pressure of construction cost, hammering construction, construct into Soft Soil Layer, construction
Simply, at low cost, extruding and vibration of the expanding position of work progress pile to the soil body make foundation soil further closely knit, so as to
Base soil bearing capacity and compression modulus can be effectively improved；Pile body is directly contacted with original soil body, and there is no weak links, contract simultaneously
Neck structure also increases the contact area of pile body and the soil body, applies in addition to further reinforcement by connection undergauge position and expanding position
After the completion of work, ground upper load is directly uniformly distributed into the base after curing by the load-bearing face at expanding position and necking down structure
In soil, a underground entirety, shared ground (road surface) load, so as to significantly change finally are built into base soil interaction
Kind settlement of foundation or local settlement issues improve the stability of ground entirety.
The sectional area at undergauge position reduces, and not only reduces pile concrete dosage, while in the item of identical compressive pre-stress
Under part, the dosage of deformed bar is decreased, reduces the manufacture cost of concrete-pile, improves its sexual valence when economic effect
Benefit；In addition, setting notch at expanding position, it can solve the problems, such as the generated super quiet pore pressure of the soil body in work progress, construct
In journey and after the completion of construction, the underground water that is precipitated in weak soil, along the notch at expanding position and undergauge position outer wall institute group
Into passage gush out to ground, effectively alleviate the excess pore water pressure of the soil body, while accelerate the discharging consolidation of stake week weak soil, carry
The bearing capacity and stability of high base soil promote pile body to form an entirety with stake week solidified earth.
Therefore, a kind of concrete-pile suitable for basement process of the utility model, more reasonable structure, practicability are stronger, system
Cause that this is lower, economic benefit is more preferable.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment one；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the structure diagram of the utility model embodiment two；
Fig. 4 is the structure diagram of the utility model embodiment three；
Fig. 5 is the structure diagram of the utility model embodiment four.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
It is the structure diagram of the utility model as shown in Figures 1 to 5,
Reference numeral therein is：Angle α, rounded corner R1, rounded corner R2, pile body 1, undergauge position 11, expanding position 12,
Necking down structure 13, stake end wide diameter portion 14, notch 2,.
Embodiment one, as shown in Figure 1 to Figure 2,
A kind of concrete-pile suitable for basement process, includes pile body 1, the variable section structure that pile body 1 is integrally formed,
Expanding position 12 is arranged at intervals on pile body 1, is formed with undergauge position 11 between adjacent expanding position 12, undergauge position 11 with
Pass through 13 reinforcement by connection of necking down structure between expanding position 12；Expanding position 12 is close ring, undergauge position 11 and the expansion
Difference≤60mm of the radial width at footpath position 12.
In embodiment, expanding 12 spaced set of position.
The concrete-pile of the present embodiment is primarily adapted for use in when thickness of soft soil is less big or Soft Soil Layer is containing more thin flour sand folder
In the Soft Ground engineering of situations such as layer, by the relatively low static pressure of construction cost, hammering construction, by concrete
Pile driving construction is into Soft Soil Layer, and extruding and vibration of the expanding position 12 to the soil body, make foundation soil further closely knit in work progress, from
And effectively improve base soil bearing capacity and compression modulus；Pile body 1 is directly contacted with original soil body, and there is no weak links, contract simultaneously
Neck structure 13 also increases pile body and soil body contact surface in addition to further reinforcement by connection undergauge position 11 and expanding position 12
Product, after the completion of construction, ground upper load is directly uniformly distributed by the load-bearing face at expanding position 12 and necking down position 13
In base soil after curing, a underground entirety is finally built into base soil interaction, shared ground (road surface) load, greatly
Amplitude improves settlement of foundation or local settlement issues, improves ground general stability.
Undergauge position 11 and difference≤60mm of the radial width at the expanding position 12.This means with undergauge position 11
It compares, the height of 12 protrusion of expanding position is no more than 30mm, and existing correlation prestressing force shaped pile with ribbing, pile body surface bulge portion
The height at least 50mm of position, therefore relatively low quiet of construction cost can be selected in construction in the concrete-pile of the utility model
Pressure, hammering construction, working procedure is simpler, while it is convex also to improve generated soil compaction effect, ring in work progress
It is small to play position, it is more closely knit to the extruding of the soil body, it avoids because ring boss is excessive, is easy to soil body generation in extrusion process
Gap；The sectional area at expanding position 12 is consistent with the common prestressed concrete pipe pile of same model, is only cutting for undergauge position 11
Area reduces, and reduces pile concrete dosage, while under conditions of identical compressive pre-stress, decreases deformed bar
Dosage significantly reduces the manufacture cost of concrete-pile, improves its sexual valence when economic benefit；Furthermore it presses《Architecture foundation pile technology
Specification》Spacing between middle regulation two not less than 4 times of stake footpaths, therefore between need not increasing by two in use between
Away from pile foundation quantity is constant in unit area, so that it is guaranteed that the bearing capacity of base soil unit area, more demanding to case unit capacity
Ground can improve the bearing capacity of unit area by way of increasing unit area foundation pile quantity, and practicability is stronger, and applicability is more
Extensively.
In embodiment, the clear spacing at adjacent expanding position 12 is 1.5 times to 3 times of expanding 12 diameter of position.
In embodiment, the axial length at expanding position 12 is 60mm to 100mm.
It is so designed that, economic benefit is more preferable, and the clear spacing at expanding position 12 is long or too short, is difficult to obtain preferable property
Valency ratio.
In embodiment, the angle value of the load-bearing face of necking down structure 13 and the angle α of horizontal plane is：90 ° of 30 °≤α ＜.
In embodiment, the load-bearing face of necking down structure 13 is equipped with rounded corner R1, rounded corner R1 with the junction at undergauge position 11
Radius be 10mm to 25mm.
In embodiment, the junction at the load-bearing face of necking down structure 13 and the expanding position 12 is equipped with rounded corner R2, and circle falls
The radius of angle R2 is 20mm to 45mm.
The setting of rounded corner R1 and rounded corner R2, it is expanding when can not only avoid demoulding in the manufacturing process of concrete-pile
Position 12 generates larger stress concentration, it is ensured that foundation pile is complete, while also reduces demoulding difficulty and the manufacture difficulty of pile die
And cost.
Embodiment two, as shown in figure 3,
Concrete-pile in the present embodiment is similar to the concrete pile structure in embodiment one, the difference is that this implementation
In example, expanding position 12 is offers the non-closed annulus that notch 2 is formed.
In embodiment, when expanding position 12 is non-closed annulus, the position of the notch 2 at two neighboring expanding position 12 is along footpath
To plane 180 ° of stagger settings are rotated around the center of circle at expanding position 12；Such setting can drop in the manufacturing process of concrete-pile
Low demoulding difficulty.
The ground for situations such as concrete-pile in the present embodiment is primarily adapted for use in ground containing deep soft clay, muck soil
Base handles engineering, in work progress and after the completion of construction, the underground water that is precipitated in weak soil, along the notch at expanding position 12
2 and the passage that is formed of 11 outer wall of undergauge position gush out to ground, solve the generated super quiet pore pressure of the soil body in work progress
Problem, effectively alleviates the excess pore water pressure of the soil body, while accelerates the discharging consolidation of stake week weak soil, improves the bearing capacity of base soil
And stability, pile body is promoted to form an entirety with stake week solidified earth.
Embodiment three, as shown in figure 4,
Concrete-pile is similar to the concrete pile structure in embodiment two in the present embodiment, the difference is that the present embodiment
In, an end wide diameter portion 14 is added in one end of concrete-pile, and the axial length of this end wide diameter portion 14 is 350mm to 650mm；It is local
It is upper for crust layer or hard stickiness soil layer in base, it is lower be deep ＆ thick silt or soft modeling clay (or be crust layer or hard stickiness soil layer down, on
For deep ＆ thick silt or soft modeling clay) situation when, increase that stake is long cannot significantly improve base soil bearing capacity, the present embodiment can be used at this time
In concrete-pile, according to Practical Project situation, the expanding position 12 that stake end is added is placed in crust layer or hard stickiness soil layer,
Expanding position 12 is made to be close to as rivet in soil layer, the contact area at end and the periphery soil body is increased, further improves
Bearing capacity of pile tip.
Example IV, as shown in figure 5,
Concrete-pile is similar to the concrete pile structure in embodiment three in the present embodiment, the difference is that the present embodiment
In, the both ends of pile body 1 are both provided with an end wide diameter portion 14, the axial length of both ends stake end wide diameter portion 14 be 350mm extremely
650mm；The both ends of concrete-pile increase the contact area with the periphery soil body in the present embodiment, can further improve an end and hold
Carry power.
Concrete-pile in embodiment three and example IV, an end wide diameter portion 14, which employs, offers the non-of notch 2
Close ring structure, identical with expanding position 12, close ring structure similarly may be employed in stake end wide diameter portion 14, can specifically answer
The construction requirement makes choice.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (9)
1. a kind of concrete-pile suitable for basement process includes pile body (1), it is characterized in that：The pile body (1) is integrated
Molding variable section structure, is arranged at intervals with expanding position (12) on the pile body (1), between adjacent expanding position (12)
Undergauge position (11) is formed with, is connected and added by necking down structure (13) between the undergauge position (11) and expanding position (12)
Gu；The expanding position (12) is close ring or to offer the non-closed annulus that notch (2) is formed, described
Undergauge position (11) and difference≤60mm of the radial width of the expanding position (12).
2. a kind of concrete-pile suitable for basement process according to claim 1, it is characterized in that：The expanding position
(12) spaced set.
3. a kind of concrete-pile suitable for basement process according to claim 2, it is characterized in that：The adjacent expansion
The clear spacing at footpath position (12) is 1.5 times to 3 times of expanding position (12) diameter.
4. a kind of concrete-pile suitable for basement process according to claim 2, it is characterized in that：The expanding position
(12) axial length is 60mm to 100mm.
5. a kind of concrete-pile suitable for basement process according to claim 2, it is characterized in that：The necking down structure
(13) load-bearing face and the angle value of the angle α of horizontal plane is：90 ° of 30 °≤α ＜.
6. a kind of concrete-pile suitable for basement process according to claim 2, it is characterized in that：The necking down structure
(13) radius of the junction equipped with rounded corner R1, the rounded corner R1 at load-bearing face and undergauge position (11) for 10mm extremely
25mm。
7. a kind of concrete-pile suitable for basement process according to claim 2, it is characterized in that：The necking down structure
(13) load-bearing face and radius of the junction equipped with rounded corner R2, the rounded corner R2 of the expanding position (12) are 20mm
To 45mm.
8. a kind of concrete-pile suitable for basement process according to claim 2, it is characterized in that：The expanding position
(12) when being non-closed annulus, the position of the notch (2) of two neighboring expanding position (12) radially plane around expanding position
(12) the center of circle rotates 180 ° of stagger settings.
9. a kind of concrete-pile suitable for basement process according to claim 1 to 8 any claim, feature
It is：The one or both ends of the pile body (1) are provided with an end wide diameter portion (14), and the stake end wide diameter portion (14) is closed circle
Ring or non-closed annulus, the axial length of the stake end wide diameter portion (14) is 350mm to 650mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721561778.5U CN207419452U (en) | 2017-11-21 | 2017-11-21 | A kind of concrete-pile suitable for basement process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721561778.5U CN207419452U (en) | 2017-11-21 | 2017-11-21 | A kind of concrete-pile suitable for basement process |
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| CN207419452U true CN207419452U (en) | 2018-05-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700480A (en) * | 2017-11-21 | 2018-02-16 | 中淳高科桩业股份有限公司 | A kind of concrete-pile suitable for basement process |
| CN113279419A (en) * | 2021-07-14 | 2021-08-20 | 四川藏区高速公路有限责任公司 | Anti-slide pile and tunnel portal anti-slide pile simulation test device |
-
2017
- 2017-11-21 CN CN201721561778.5U patent/CN207419452U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700480A (en) * | 2017-11-21 | 2018-02-16 | 中淳高科桩业股份有限公司 | A kind of concrete-pile suitable for basement process |
| CN107700480B (en) * | 2017-11-21 | 2023-08-18 | 宁波中淳高科股份有限公司 | Concrete pile suitable for foundation treatment |
| CN113279419A (en) * | 2021-07-14 | 2021-08-20 | 四川藏区高速公路有限责任公司 | Anti-slide pile and tunnel portal anti-slide pile simulation test device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180919 Address after: 315145 No. 166 Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang Patentee after: Ningbo Zhong Chun hi tech Limited by Share Ltd Address before: 315145 Zhong Chun Gao Ke pile Limited by Share Ltd, No. 166 Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang Patentee before: Zhongchun Gaoke Pile Industry Co., Ltd. |