CN107700480A - A kind of concrete-pile suitable for basement process - Google Patents
A kind of concrete-pile suitable for basement process Download PDFInfo
- Publication number
- CN107700480A CN107700480A CN201711164618.1A CN201711164618A CN107700480A CN 107700480 A CN107700480 A CN 107700480A CN 201711164618 A CN201711164618 A CN 201711164618A CN 107700480 A CN107700480 A CN 107700480A
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- pile
- concrete
- expanding position
- expanding
- soil
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Classifications
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- 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
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of concrete-pile suitable for basement process, include pile body, the variable section structure that pile body is formed in one, be arranged at intervals with expanding position on pile body, formed with undergauge position between adjacent expanding position, pass 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：Practicality is stronger, and applicability is wider, and pile body directly contacts with original soil body in work progress, in the absence of weak link, by extruding and vibration of the expanding position to the soil body, is obviously improved base soil bearing capacity；After soil body solidification, 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；Manufacturing cost is low, good in economic efficiency.
Description
Technical field
The present invention relates to foundation treatment engineering technical field, refers specifically to vertical Reinforcement structure in foundation treatment engineering
Improvement, 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 Strategic target such as " building ocean power ", " green building and building industrialization "
If engineering is developed rapidly, 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 low intensity, stability are poor, deformation is big, so as to
Its distinctive engineering problem is result in, such as water content of soil height, 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,
If processing reinforcing is not good at, the sinking of ground large area, foundation uneven settlement, the component considerable safety 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 is big for environment pollution, 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 overall, often there are matrix sedimentation or local settlement issues, when especially weak intercalated layer is thicker, it is easier to basic stress occur not
, differential settlement, lateral displacement are produced or phenomena such as vertically swell, 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 super quiet pore pressure caused by 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 raised height at least 100mm of pile body ring, ring are excessive not only in the easy shape between the soil body of work progress
It into space, can also increase the spacing between two, the bearing capacity of ground unit area be reduced on the contrary, in unit area bearing capacity
It is required that higher foundation treatment engineering can not be applicable；Secondly, with soil layer intersection there is weak link in institute's back-up sand, 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
The technical problem to be solved by the invention for the present situation of prior art is to provide rational in infrastructure, reliable in quality, system
Cause low, good in economic efficiency, a practical a kind of concrete-pile suitable for basement process.
Technical scheme is used by the present invention 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 formed in one, on pile body
It is arranged at intervals with expanding position, formed with undergauge position between adjacent expanding position, leads between undergauge position and expanding position
Cross 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 also 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 provided with rounded corner R1 with the junction at undergauge position, and rounded corner R1 radius is 10mm
To 25mm.
The junction at the load-bearing face of above-mentioned necking down structure and the expanding position is provided with rounded corner R2, rounded corner R2 partly
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 invention, pile body has variable section structure, is by multiple companies
The integrally formed overall structure of continuous spaced undergauge position and wide diameter portion position composition, during Soft Ground,
This concrete-pile is constructed into Soft Soil Layer, construction is simple by the relatively low static pressure of construction cost, hammering construction
List, cost are low, extruding and vibration of the expanding position of work progress pile to the soil body, make foundation soil further closely knit, so as to
Enough effectively improve base soil bearing capacity and modulus of compressibility；Pile body directly contacts with original soil body, in the absence of weak link, while necking down
Structure also increases the contact area of pile body and the soil body, construction in addition to further reinforcement by connection undergauge position and expanding position
After the completion of, ground upper load is directly uniformly distributed into the base soil after solidification by the load-bearing face at expanding position and necking down structure
In, a underground entirety, shared ground (road surface) load, so as to significantly improve finally are built into base soil interaction
Settlement of foundation or local settlement issues, improve the overall stability of ground.
The sectional area at undergauge position reduces, and not only reduces pile concrete dosage, while in the bar of identical compressive pre-stress
Under part, the dosage of deformed bar is decreased, reduces the manufacturing cost of concrete-pile, improves its sexual valence when economic effect
Benefit；In addition, setting notch at expanding position, the caused super quiet pore pressure problem of the soil body in work progress is can solve the problem that, was constructed
In journey and after the completion of construction, the underground water that is separated out in weak soil, along the notch and undergauge position outer wall institute group at expanding position
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 invention, more reasonable structure, practicality are stronger, are manufactured into
This is lower, economic benefit is more preferable.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the structural representation of the embodiment of the present invention two；
Fig. 4 is the structural representation of the embodiment of the present invention three；
Fig. 5 is the structural representation of the embodiment of the present invention four.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
It is as shown in Figures 1 to 5 the structural representation of the present invention,
Reference 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, include pile body 1, the variable section structure that pile body 1 is formed in one, pile body
Be arranged at intervals with expanding position 12 on 1, formed with undergauge position 11 between adjacent expanding position 12, undergauge position 11 with it is expanding
Pass through the reinforcement by connection of necking down structure 13 between position 12；Expanding position 12 is close ring, undergauge position 11 and the wide diameter portion
Difference≤60mm of the radial width of position 12.
In embodiment, the expanding spaced set of position 12.
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 modulus of compressibility；Pile body 1 directly contacts with original soil body, in the absence of weak link, contracts 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 into by the load-bearing face at expanding position 12 and necking down position 13
In base soil after solidification, 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
Compare, the raised height in expanding position 12 is no more than 30mm, and existing correlation prestressing force shaped pile with ribbing, pile body rat portion
The height at least 50mm of position, therefore the relatively low static pressure of construction cost, hammer can be selected in construction for the concrete-pile of the present invention
Construction is hit, working procedure is simpler, while can also improve caused soil compaction effect in work progress, ring boss
Small, the extruding to the soil body is more closely knit, avoids because ring boss is excessive, is easy to the soil body in extrusion process and produces space；
The sectional area at expanding position 12 is consistent with the common prestressed concrete pipe pile of same model, is only that the sectional area at undergauge position 11 subtracts
It is small, reduce pile concrete dosage, while under conditions of identical compressive pre-stress, the dosage of deformed bar is decreased,
The manufacturing cost of concrete-pile is significantly reduced, improves its sexual valence when economic benefit；Furthermore press《Architecture foundation pile technical specification》
Spacing between middle regulation two is not less than 4 times of stake footpaths, therefore need not increase the spacing between two, unit in use
Pile foundation quantity is constant in area, so that it is guaranteed that the bearing capacity of base soil unit area, higher ground is required to case unit capacity, can
The bearing capacity of unit area is improved by way of increasing unit area foundation pile quantity, practicality is stronger, and applicability is wider.
In embodiment, the clear spacing at adjacent expanding position 12 is 1.5 times to 3 times of the expanding diameter of position 12.
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 provided 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 provided with rounded corner R2, and circle falls
Angle R2 radius is 20mm to 45mm.
Rounded corner R1 and rounded corner R2 setting, it is expanding when can not only avoid being stripped in the manufacturing process of concrete-pile
Position 12 produces 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, except that, in the present embodiment,
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；Being arranged such be able to can drop in the manufacturing process of concrete-pile
Low demoulding difficulty.
Concrete-pile in the present embodiment is primarily adapted for use in ground ground situations such as containing deep soft clay, muck soil
Base handles engineering, in work progress and after the completion of construction, the underground water that is separated out in weak soil, along the notch at expanding position 12
2 and the passage that is formed of the outer wall of undergauge position 11 gush out to ground, solve the caused 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, promote pile body 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, except that, in the present embodiment, mix
An end wide diameter portion 14 is set up in the one end for coagulating native stake, and the axial length of this end wide diameter portion 14 is 350mm to 650mm；When in ground
Upper be crust layer or hard stickiness soil layer, and lower be that (or lower be crust layer or hard stickiness soil layer, is above deeply for deep ＆ thick silt or soft modeling clay
Thick mud or soft modeling clay) situation when, stake is long can not significantly improve base soil bearing capacity for increase, now can be used in the present embodiment
Concrete-pile, according to Practical Project situation, the expanding position 12 that stake end is set up is placed in crust layer or hard stickiness soil layer, makes expansion
Footpath position 12 is close in soil layer as rivet, increases the contact area at an end and the periphery soil body, further improves stake end
Bearing capacity.
Example IV, as shown in figure 5,
Concrete-pile is similar to the concrete pile structure in embodiment three in the present embodiment, except that, in the present embodiment, stake
The both ends of body 1 are provided with an end wide diameter portion 14, and the axial length of both ends stake end wide diameter portion 14 is 350mm to 650mm；This reality
The both ends for applying concrete-pile in example increase contact area with the periphery soil body, can further improve bearing capacity of pile tip.
Concrete-pile in embodiment three and example IV, its end wide diameter portion 14, which employs, offers the non-of notch 2
Close ring structure, identical with expanding position 12, stake end wide diameter portion 14 can similarly use close ring structure, can specifically answer
The construction requirement is selected.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (9)
1. a kind of concrete-pile suitable for basement process, include pile body (1), it is characterized in that：Described pile body (1) is integrated
The variable section structure of shaping, is arranged at intervals with expanding position (12) on described pile body (1), between adjacent expanding position (12)
It is connected and is added by necking down structure (13) formed with undergauge position (11), between described undergauge position (11) and expanding position (12)
Gu；Described expanding position (12) is close ring, or to offer the non-closed annulus that notch (2) is formed, it is 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：Described expanding position
(12) spaced set.
3. a kind of concrete-pile suitable for basement process according to claim 2, it is characterized in that：Described 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：Described 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：Described 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：Described necking down structure
(13) radius of the junction provided with rounded corner R1, described 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：Described necking down structure
(13) load-bearing face and radius of the junction provided with rounded corner R2, described 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：Described 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, its feature
It is：The one or both ends of described pile body (1) are provided with an end wide diameter portion (14), and described stake end wide diameter portion (14) is closed circle
Ring or non-closed annulus, the axial length of described stake end wide diameter portion (14) is 350mm to 650mm.
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| CN201711164618.1A CN107700480B (en) | 2017-11-21 | 2017-11-21 | Concrete pile suitable for foundation treatment |
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| CN201711164618.1A CN107700480B (en) | 2017-11-21 | 2017-11-21 | Concrete pile suitable for foundation treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385668A (en) * | 2018-05-24 | 2018-08-10 | 航天建筑设计研究院有限公司 | The manufacturing process of the construction tool and pile of pile and pile |
| CN110389060A (en) * | 2019-07-01 | 2019-10-29 | 浙江大学 | A kind of bamboo joint pile-cement soil contact face sample preparation device and contact surface frictional behavior research shearing test device and test method |
| WO2021042764A1 (en) * | 2019-09-04 | 2021-03-11 | 周兆弟 | Concrete variable cross-section prefabricated square pile |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280067A (en) * | 1998-01-28 | 1999-10-12 | Mitani Sekisan Co Ltd | Method for embedding existing concrete pile and structure of foundation pile and existing concrete pile |
| JP2000120066A (en) * | 1998-10-14 | 2000-04-25 | Nippon Steel Corp | Execution method for steel pipe pile |
| JP2000160552A (en) * | 1998-11-30 | 2000-06-13 | Nippon Concrete Ind Co Ltd | Friction pile |
| JP2001011856A (en) * | 1999-04-30 | 2001-01-16 | Mitani Sekisan Co Ltd | Burying method for existing pile |
| JP2006322152A (en) * | 2005-05-17 | 2006-11-30 | Geotop Corp | Concrete pile having rough surface and its manufacturing method |
| CN200974968Y (en) * | 2006-09-15 | 2007-11-14 | 周兆弟 | Burl-connection type bamboo-muscle pipe pile |
| CN101144277A (en) * | 2006-09-15 | 2008-03-19 | 周兆弟 | Longitudinal ring interlaced ridge type pipe pile |
| CN203924045U (en) * | 2013-12-23 | 2014-11-05 | 中淳高科桩业股份有限公司 | Compound pile |
| CN104234047A (en) * | 2013-10-22 | 2014-12-24 | 王磊 | Composite pile made by jointly embedding nodular pile and tubular pile into cement-soil mixed soil-nailed pile |
| CN204959734U (en) * | 2015-09-16 | 2016-01-13 | 贺德新 | Reducing bored concrete pile |
| CN207419452U (en) * | 2017-11-21 | 2018-05-29 | 中淳高科桩业股份有限公司 | A kind of concrete-pile suitable for basement process |
-
2017
- 2017-11-21 CN CN201711164618.1A patent/CN107700480B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280067A (en) * | 1998-01-28 | 1999-10-12 | Mitani Sekisan Co Ltd | Method for embedding existing concrete pile and structure of foundation pile and existing concrete pile |
| JP2000120066A (en) * | 1998-10-14 | 2000-04-25 | Nippon Steel Corp | Execution method for steel pipe pile |
| JP2000160552A (en) * | 1998-11-30 | 2000-06-13 | Nippon Concrete Ind Co Ltd | Friction pile |
| JP2001011856A (en) * | 1999-04-30 | 2001-01-16 | Mitani Sekisan Co Ltd | Burying method for existing pile |
| JP2006322152A (en) * | 2005-05-17 | 2006-11-30 | Geotop Corp | Concrete pile having rough surface and its manufacturing method |
| CN200974968Y (en) * | 2006-09-15 | 2007-11-14 | 周兆弟 | Burl-connection type bamboo-muscle pipe pile |
| CN101144277A (en) * | 2006-09-15 | 2008-03-19 | 周兆弟 | Longitudinal ring interlaced ridge type pipe pile |
| CN104234047A (en) * | 2013-10-22 | 2014-12-24 | 王磊 | Composite pile made by jointly embedding nodular pile and tubular pile into cement-soil mixed soil-nailed pile |
| CN203924045U (en) * | 2013-12-23 | 2014-11-05 | 中淳高科桩业股份有限公司 | Compound pile |
| CN204959734U (en) * | 2015-09-16 | 2016-01-13 | 贺德新 | Reducing bored concrete pile |
| CN207419452U (en) * | 2017-11-21 | 2018-05-29 | 中淳高科桩业股份有限公司 | A kind of concrete-pile suitable for basement process |
Non-Patent Citations (1)
| Title |
|---|
| 陈载赋等编著: "钢筋混凝土建筑结构与特种结构手册上 第2版", 成都：四川科学技术出版社, pages: 951 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385668A (en) * | 2018-05-24 | 2018-08-10 | 航天建筑设计研究院有限公司 | The manufacturing process of the construction tool and pile of pile and pile |
| CN110389060A (en) * | 2019-07-01 | 2019-10-29 | 浙江大学 | A kind of bamboo joint pile-cement soil contact face sample preparation device and contact surface frictional behavior research shearing test device and test method |
| WO2021042764A1 (en) * | 2019-09-04 | 2021-03-11 | 周兆弟 | Concrete variable cross-section prefabricated square pile |
| JP2022546810A (en) * | 2019-09-04 | 2022-11-09 | 兆弟 周 | Concrete Variable Section Precast Square Pile |
| JP7223474B2 (en) | 2019-09-04 | 2023-02-16 | 兆弟 周 | Concrete Variable Section Precast Square Pile |
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| CN107700480B (en) | 2023-08-18 |
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Address after: 315145 Zhong Chun Gao Ke pile Limited by Share Ltd, No. 166 Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang Applicant after: Ningbo Zhongchun Enterprise Management Co.,Ltd. Address before: 315145 Zhong Chun Gao Ke pile Limited by Share Ltd, No. 166 Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang Applicant before: ZCONE HIGH-TECH PILE INDUSTRY HOLDING CO.,LTD. |
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Effective date of registration: 20230717 Address after: No. 166, Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang 315000 Applicant after: NINGBO ZCONE HIGH-TECH Co.,Ltd. Address before: 315145 Zhong Chun Gao Ke pile Limited by Share Ltd, No. 166 Linjiang Road, Yinzhou Economic Development Zone, Ningbo, Zhejiang Applicant before: Ningbo Zhongchun Enterprise Management Co.,Ltd. |
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