CN110952536A - Steel pipe pile - Google Patents
Steel pipe pile Download PDFInfo
- Publication number
- CN110952536A CN110952536A CN201911304793.5A CN201911304793A CN110952536A CN 110952536 A CN110952536 A CN 110952536A CN 201911304793 A CN201911304793 A CN 201911304793A CN 110952536 A CN110952536 A CN 110952536A
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- pipe pile
- steel pipe
- steel
- connector
- supporting block
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 149
- 239000010959 steel Substances 0.000 title claims abstract description 149
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 abstract description 23
- 239000002689 soil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- 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
- E02D5/66—Mould-pipes or other moulds
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of steel pipe piles, in particular to a steel pipe pile, and aims to solve the problems that after cement slurry is cured, the internal pressure of the steel pipe pile is increased, a connector is easily expanded and damaged, two steel pipe piles are separated from the connector, and the soil fixing effect of the steel pipe pile is influenced. The invention is convenient for butt joint between the steel pipe piles, and improves the contact area between the steel pipe piles, thereby improving the connection stability of the steel pipe piles and the compression-resistant bearing capacity of the connection part.
Description
Technical Field
The invention relates to the technical field of steel pipe piles, in particular to a steel pipe pile.
Background
The steel pipe pile consists of steel pipe, tongue-and-groove and tongue-and-groove pin, the tongue-and-groove is vertically connected to the left pipe wall of the steel pipe, the cross section of the tongue-and-groove is square frame with one open side, the side of the tongue-and-groove is provided with reinforcing ribs, the tongue-and-groove pin is vertically connected to the right pipe wall of the steel pipe and at the position with partial radius, and the groove section of the tongue-and-groove pin is I-shaped, so that the functions of water enclosing, soil enclosing, sand enclosing and the like can be achieved.
The prior patent with the publication number of CN103334423B discloses a combined steel pipe pile, which comprises at least three small-diameter steel pipe piles and a large steel pipe pile, wherein the small-diameter steel pipe piles are fixedly connected and positioned by connecting pieces, the large steel pipe pile is sleeved in the periphery of the small-diameter steel pipe pile in the middle, the part of the inner cavity of the large steel pipe pile, which is positioned above the ground, is filled with concrete, and the large steel pipe pile and the small-diameter steel pipe pile form a whole. The invention has the following advantages: the bearing capacity is enhanced, the stability is improved, the construction speed is high, and the safety and the economical efficiency are good. According to the scheme, only the small-diameter steel pipe pile is driven into the soil layer, so that the construction is simple and convenient, the construction speed is high, the safety performance is good, the site adaptability is strong, the environmental damage is small, the disturbance to the side slope soil body during the pile driving is small, the pile position arrangement is flexible, and the pile position arrangement is economical. The small-diameter steel pipe piles are beneficial to arching of the upper soil body, so that the local stability of the landslide body is enhanced, the whole landslide body is more stable, the supporting and blocking capacity of the pile type is improved, the supporting and blocking capacity is equivalent to that of double-row or multi-row anti-slide piles, the large-sized steel pipe piles and the connecting pieces are equivalent to connecting beams, and the invention has the advantages of the double-row or multi-row anti-slide piles. The large steel pipe pile and the connecting piece can improve the stability of the pile type on one hand, and can improve the anti-sliding capacity of a cantilever part in the anti-sliding pile on the other hand.
However, when a long steel pipe pile needs to be driven into some pile holes for soil fixation, the length of a traditional steel pipe pile cannot meet the requirement of the long pile holes, two steel pipe piles need to be connected together through a connector and driven into the pile holes, and after the two steel pipe piles are connected by the connector and filled with concrete cement paste, the internal pressure of the steel pipe pile is increased after the cement paste is cured, so that the connector is easily expanded and damaged, the two steel pipe piles are separated from the connector, and the soil fixation effect of the steel pipe piles is influenced.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem of overcoming the defects that after cement slurry is solidified, the internal pressure of the steel pipe pile is increased, the connector is easy to expand and damage, two steel pipe piles are separated from the connector, and the soil-fixing effect of the steel pipe pile is influenced in the prior art, so that the steel pipe pile is provided.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a steel-pipe pile, includes first steel-pipe pile, is used for prolonging the second steel-pipe pile of steel-pipe pile, be equipped with hollow connector between first steel-pipe pile and the second steel-pipe pile, connector external connection has the fixed knot who is used for fixed first steel-pipe pile and second steel-pipe pile to construct, connector internal connection has the bearing structure who is used for supporting, increases compressive capacity.
Optionally, the fixing structure includes a circle of limiting plate annularly disposed on the outer side of the middle portion of the connector, external threads located on the connector are respectively disposed on two sides of the limiting plate, and meanwhile, the first steel pipe pile and the second steel pipe pile are respectively provided with internal threads corresponding to the first steel pipe pile and the second steel pipe pile.
Optionally, the first steel pipe pile and the second steel pipe pile are close to the end of the connector and are provided with reinforcing blocks abutted against the limiting plates, and stud spherical bolts penetrate through the reinforcing blocks and the limiting plates.
Optionally, the supporting structure includes a plurality of fixed covers evenly arranged at intervals on the top and the bottom of the connector, a supporting block in a T-shaped structure is slidably connected inside the fixed cover, a spring is fixed between the supporting block and the fixed cover, the supporting block runs through the spring, a pulp inlet hole is formed in the side wall of the top end of the fixed cover, and the inner diameter of the pulp inlet hole from the top end to the bottom end is gradually reduced.
Optionally, limiting grooves corresponding to the fixing sleeves are formed in the first steel pipe pile and the second steel pipe pile, the supporting blocks are clamped into the limiting grooves under the action of thrust, and two elastic pieces are symmetrically fixed in the limiting grooves.
Optionally, embedded steel bars penetrate through the first steel pipe pile and the second steel pipe pile.
Optionally, the embedded steel bars comprise a first longitudinal bar and a second longitudinal bar which are respectively located on different parallel planes, a plurality of horizontal bars are arranged between the first longitudinal bar and the second longitudinal bar at uniform intervals, and the horizontal bars are connected in a crossed and fixed mode.
Optionally, a first fixing seat is arranged at the top of the first steel pipe pile, the first fixing seat is symmetrically provided with two grouting holes, a second fixing seat is arranged at the bottom of the second steel pipe pile, and the second fixing seat is provided with a grout outlet.
The technical scheme of the invention has the following advantages:
1. according to the steel pipe pile, the first steel pipe pile and the second steel pipe pile are better fixed on the connector through the fixing structure, the expansion force of cement paste in the connector after curing is relieved by the fixing structure in the working process, the internal pressure of the connector is reduced, the supporting structure better supports and fixes the interior of the connector through the matching use of the fixing structure and the supporting structure, the connector is prevented from being damaged due to extrusion of the external pressure of a pile hole, and the first steel pipe pile and the second steel pipe pile are prevented from being separated from the connector.
2. According to the steel pipe pile, the first steel pipe pile, the second steel pipe pile and the connector are in threaded connection, positioning and fixing of the first steel pipe pile, the second steel pipe pile and the connector are effectively achieved, the contact area between the steel pipe piles is increased, accordingly, the connection stability of the steel pipe piles and the compression-resistant bearing capacity of the connection position are improved, and meanwhile, the limiting plates are more beneficial to positioning during fixing.
3. According to the steel pipe pile, the first steel pipe pile and the second steel pipe pile are screwed with the connectors, and then the fixed double-headed spherical bolts are penetrated, so that the situation that the first steel pipe pile, the second steel pipe pile and the connectors move mutually in the subsequent grouting process can be avoided.
4. According to the steel pipe pile, in the grouting process, cement slurry enters the fixed sleeve from the slurry inlet hole when falling, so that the supporting block is pushed into the fixed sleeve to generate elastic force after the supporting block is pushed into the fixed sleeve, and meanwhile, when the cement slurry injected into the first steel pipe pile is reduced, the cement slurry falling into the arc-shaped structure of the supporting block is reduced, the supporting block is restored to the original position through the elastic force of the spring, and after a large amount of cement slurry is injected into the first steel pipe pile again, the supporting block is continuously pushed to be abutted and fixed to the inner side wall of the first steel pipe pile.
5. According to the steel pipe pile, the supporting block is pushed into the limiting groove under the stress, so that the supporting block begins to extrude the two elastic pieces in the limiting groove, the two elastic pieces generate elastic force, the supporting block can be well fixed in the limiting groove through clamping of the two elastic pieces after the supporting block enters the limiting groove, the first steel pipe pile and the second steel pipe pile can be stably fixed on the connector, and the expansion force after cement solidification can be relieved.
6. According to the steel pipe pile, after the slurry is poured, the contact area between the steel pipe pile and the first steel pipe pile and the contact area between the steel pipe pile and the second steel pipe pile are increased, the bearing capacity and the anti-seismic performance which are communicated with or close to those of a cast-in-place member are achieved, meanwhile, the pre-embedded steel bars can be prevented from being broken and damaged on the basis of reducing the overlap length of the steel bars, the bearing capacity is effectively enhanced, and the stability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a steel pipe pile according to an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Description of reference numerals:
11. a first steel pipe pile; 12. a second steel pipe pile; 13. a connector; 2. a fixed structure; 21. a limiting plate; 22. a reinforcing block; 23. a stud ball bolt; 3. a support structure; 31. fixing a sleeve; 32. a support block; 33. a spring; 34. a slurry inlet hole; 4. a limiting groove; 41. an elastic sheet; 5. embedding reinforcing steel bars in advance; 51. a first longitudinal rib; 52. a second longitudinal rib; 53. and (7) horizontal ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
a steel pipe pile, as shown in fig. 1, includes a first steel pipe pile 11 and a second steel pipe pile 12 for extending the steel pipe pile, and a hollow joint 13 is installed between the first steel pipe pile 11 and the second steel pipe pile 12, so that cement paste is injected into the first steel pipe pile 11 to extend the steel pipe pile to satisfy a long pile hole. In order to solve the problem that the internal pressure of the steel pipe pile is increased after cement slurry is solidified, which easily causes the expansion and damage of the connector 13 and causes the separation of the two steel pipe piles from the connector 13 and affects the soil-fixing effect of the steel pipe pile, the external part of the connector 13 is connected with a fixing structure 2 for fixing the first steel pipe pile 11 and the second steel pipe pile 12, the internal part of the connector 13 is connected with a supporting structure 3 for supporting and increasing the pressure resistance, therefore, the first steel pipe pile 11 and the second steel pipe pile 12 are better fixed on the connector 13 through the fixing structure 2, the expansion force of the solidified cement slurry in the connector 13 is relieved by the fixing structure 2 in the working process, the internal pressure of the connector 13 is reduced, and the supporting structure 3 better supports and fixes the internal part of the connector 13 through the matching use of the fixing structure 2 and the supporting structure 3, and prevents the connector 13 from being damaged due to, the first steel-pipe pile 11 and the second steel-pipe pile 12 are prevented from being detached from the joint 13.
Specifically, as shown in fig. 1, the fixing structure 2 includes a ring of limiting plates 21 annularly disposed outside the middle portion of the connector 13, the two sides of the limiting plates 21 are respectively provided with external threads located on the connector 13, and the first steel pipe pile 11 and the second steel pipe pile 12 are respectively provided with internal threads corresponding to the external threads. Therefore, through the threaded connection structure of the first steel pipe pile 11, the second steel pipe pile 12 and the connector 13, the positioning fixation of the three is effectively realized, the contact area between the steel pipe piles is increased, the stability of the steel pipe pile connection and the compression resistance bearing capacity of the joint are improved, and meanwhile, the limiting plate 21 is arranged to be more favorable for positioning during fixation.
As shown in fig. 1, the end portions of the first steel-pipe pile 11 and the second steel-pipe pile 12 close to the connector 13 are provided with reinforcing blocks 22 abutted against the limiting plates 21, and stud spherical bolts 23 penetrate between the reinforcing blocks 22 and the limiting plates 21, so that after the first steel-pipe pile 11 and the second steel-pipe pile 12 are screwed with the connector 13, the stud spherical bolts 23 penetrate and are fixed, and the situation that the first steel-pipe pile 11, the second steel-pipe pile 12 and the connector 13 mutually move in the subsequent grouting process can be avoided.
As shown in fig. 1 and 2, the supporting structure 3 includes a plurality of fixed sleeves 31 evenly arranged at intervals on the top and the bottom of the connector 13, a supporting block 32 in a T-shaped structure is slidably connected inside the fixed sleeve 31, a spring 33 is arranged between the supporting block 32 and the fixed sleeve 31, the supporting block 32 runs through the inside of the spring 33, a pulp inlet hole 34 is formed in the side wall of the top end of the fixed sleeve 31, and the inner diameter of the pulp inlet hole 34 from the top end to the bottom end is gradually reduced. Therefore, during the grouting process, the cement slurry enters the fixing sleeve 31 from the slurry inlet 34 when falling down, so that the supporting block 32 is pushed into the fixing sleeve 31, the spring 33 is contracted to generate elastic force, meanwhile, when the cement slurry injected into the first steel pipe pile 11 is reduced, the cement slurry falling into the arc-shaped structure of the supporting block 32 is reduced, the supporting block 32 is restored to the original position by the elastic force of the spring 33, after a large amount of cement slurry is injected into the first steel pipe pile 11 again, the supporting block 32 is continuously pushed to abut and be fixed on the inner side wall of the first steel pipe pile 11, in the same way as above, after the second steel pipe pile 12 is filled with the supporting blocks 32, the supporting blocks 32 are also pushed to abut against and be fixed to the inner side wall of the second steel pipe pile 12, so as to further support and reinforce the inside of the connector 13, simultaneously, the setting of spring 33 makes the grout of pouring into in the fixed cover 31 compacter, effectively increases the inside intensity of bearing structure 3.
As shown in fig. 1 and 2, the first steel pipe pile 11 and the second steel pipe pile 12 are internally provided with a limiting groove 4 corresponding to the fixing sleeve 31, the supporting block 32 is clamped into the limiting groove 4 by thrust, and two elastic pieces 41 are symmetrically fixed inside the limiting groove 4, so that the supporting block 32 is forced to push the limiting groove 4, the supporting block 32 starts to extrude the two elastic pieces 41 inside the limiting groove 4, the two elastic pieces 41 generate elastic force, that is, the supporting block 32 can be well fixed inside the limiting groove 4 by clamping the two elastic pieces 41 after entering the limiting groove 4, and therefore the first steel pipe pile 11 and the second steel pipe pile 12 can be more stably fixed on the connector 13 and simultaneously can slow down expansion force after cement curing.
As shown in fig. 1, embedded steel bars 5 penetrate through the first steel pipe pile 11 and the second steel pipe pile 12, so that the bearing capacity can be effectively enhanced by additionally arranging the embedded steel bars 5 during grouting, and the stability is improved. Specifically, embedded steel bar 5 includes that the first muscle 51 of indulging and the muscle 52 is indulged to the second that is located different parallel planes separately, the first muscle 51 of indulging is provided with the even spaced level muscle 53 of a plurality of between the muscle 52 with the second of indulging, the first muscle 51 of indulging is indulged with the second through this level muscle 53 and is indulged the cross fixed connection of muscle 52, thereby increase after the grout is poured and first steel-pipe pile 11 and second steel-pipe pile 12 area of contact, reach and cast-in-place component communicates with each other or near bearing capacity and shock resistance, can avoid embedded steel bar 5 to be pulled apart and destroy on the basis that reduces reinforcing bar overlap joint length.
The working principle of the steel pipe pile is as follows: firstly screwing a first steel pipe pile 11 and a second steel pipe pile 12 with a connector 13, then penetrating and fixing a double-headed spherical bolt 23, then penetrating and embedding a steel bar 5 and pouring cement paste, wherein the cement paste enters the inside of a fixing sleeve 31 from a paste inlet hole 34 when falling, so that a supporting block 32 is pushed into the inside of the fixing sleeve 31, a spring 33 is contracted to generate elastic force, meanwhile, when the cement paste injected into the first steel pipe pile 11 is reduced, the cement paste falling into an arc-shaped structure of the supporting block 32 is reduced, the supporting block 32 is restored to the original position through the elastic force of the spring 33, after a large amount of cement paste is injected into the first steel pipe pile 11 again, the supporting block 32 is continuously pushed into a limiting groove 4 of the first steel pipe pile 11, so that the supporting block 32 starts to extrude two elastic pieces 41 in the limiting groove 4, the two elastic pieces 41 generate elastic force, namely after the supporting block 32 enters the limiting, through the centre gripping of two flexure strips 41, make supporting shoe 32 fix well inside spacing groove 4, with the aforesaid, the same reason, supporting shoe 32 also can promote the supporting shoe 32 butt and fix to the spacing groove 4 of second steel-pipe pile 12 after filling second steel-pipe pile 12, further realizes consolidating the inside support of connector 13.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. The utility model provides a steel-pipe pile, its characterized in that, including first steel-pipe pile (11), second steel-pipe pile (12) that are used for prolonging the steel-pipe pile, be equipped with hollow connector (13) between first steel-pipe pile (11) and second steel-pipe pile (12), connector (13) external connection has fixed knot structure (2) that are used for fixed first steel-pipe pile (11) and second steel-pipe pile (12), connector (13) internal connection has supporting structure (3) that are used for supporting, increase compressive capacity.
2. The steel pipe pile according to claim 1, wherein the fixing structure (2) comprises a ring of limiting plates (21) annularly arranged on the outer side of the middle of the connector (13), external threads on the connector (13) are arranged on two sides of each limiting plate (21), and internal threads corresponding to the first steel pipe pile (11) and the second steel pipe pile (12) are arranged on the first steel pipe pile (11) and the second steel pipe pile (12) respectively.
3. The steel pipe pile according to claim 2, wherein reinforcing blocks (22) abutting against limiting plates (21) are arranged at the end parts, close to the connecting head (13), of the first steel pipe pile (11) and the second steel pipe pile (12), and stud spherical bolts (23) penetrate between the reinforcing blocks (22) and the limiting plates (21).
4. The steel pipe pile according to claim 1, wherein the supporting structure (3) comprises a plurality of fixing sleeves (31) which are uniformly arranged at intervals on the top and the bottom of the connector (13), a supporting block (32) which is of a T-shaped structure is slidably connected inside the fixing sleeves (31), a spring (33) is fixed between the supporting block (32) and the fixing sleeves (31), the supporting block (32) penetrates through the inside of the spring (33), a slurry inlet hole (34) is formed in the side wall of the top end of the fixing sleeves (31), and the inner diameter of the slurry inlet hole (34) is gradually reduced from the top end to the bottom end.
5. The steel pipe pile according to claim 4, wherein a limiting groove (4) corresponding to the fixing sleeve (31) is formed in the first steel pipe pile (11) and the second steel pipe pile (12), the supporting block (32) is clamped in the limiting groove (4) under thrust, and two elastic pieces (41) are symmetrically fixed in the limiting groove (4).
6. The steel pipe pile according to claim 1, wherein embedded steel bars (5) are arranged inside the first steel pipe pile (11) and the second steel pipe pile (12) in a penetrating manner.
7. The steel pipe pile according to claim 6, wherein the embedded steel bars (5) comprise a first longitudinal bar (51) and a second longitudinal bar (52) which are respectively located on different parallel planes, and a plurality of horizontal bars (53) which are evenly spaced are arranged between the first longitudinal bar (51) and the second longitudinal bar (52) and are fixedly connected in a crossed manner through the horizontal bars (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304793.5A CN110952536A (en) | 2019-12-17 | 2019-12-17 | Steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304793.5A CN110952536A (en) | 2019-12-17 | 2019-12-17 | Steel pipe pile |
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| Publication Number | Publication Date |
|---|---|
| CN110952536A true CN110952536A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201911304793.5A Pending CN110952536A (en) | 2019-12-17 | 2019-12-17 | Steel pipe pile |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202227334U (en) * | 2011-10-09 | 2012-05-23 | 中建七局第三建筑有限公司 | Socket type steel pipe pile joint |
| CN202881934U (en) * | 2012-11-20 | 2013-04-17 | 四川省交通运输厅公路规划勘察设计研究院 | Small-diameter steel pipe pile connection structure |
| CN204608757U (en) * | 2014-11-13 | 2015-09-02 | 昆明理工大学 | A kind of steel pipe pile pile splicing structure |
| CN107893415A (en) * | 2017-11-28 | 2018-04-10 | 淮海工学院 | A kind of corrosion-resistant miniature steel pipe pile and manufacture method |
| KR101920785B1 (en) * | 2018-05-11 | 2018-11-21 | 박재홍 | Connecting device and method of geo-tube |
| CN209412807U (en) * | 2018-12-24 | 2019-09-20 | 深圳市鸿创建设有限公司 | A kind of steel-pipe pile connection structure |
| CN110409432A (en) * | 2019-07-23 | 2019-11-05 | 吴义珑 | A kind of prestressed steel pipe of concrete guard wall |
| CN209652948U (en) * | 2018-10-24 | 2019-11-19 | 北京交通大学 | A kind of miniature steel pipe pile connection limiter |
| CN211547696U (en) * | 2019-12-17 | 2020-09-22 | 中交路桥建设有限公司 | Steel pipe pile |
-
2019
- 2019-12-17 CN CN201911304793.5A patent/CN110952536A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202227334U (en) * | 2011-10-09 | 2012-05-23 | 中建七局第三建筑有限公司 | Socket type steel pipe pile joint |
| CN202881934U (en) * | 2012-11-20 | 2013-04-17 | 四川省交通运输厅公路规划勘察设计研究院 | Small-diameter steel pipe pile connection structure |
| CN204608757U (en) * | 2014-11-13 | 2015-09-02 | 昆明理工大学 | A kind of steel pipe pile pile splicing structure |
| CN107893415A (en) * | 2017-11-28 | 2018-04-10 | 淮海工学院 | A kind of corrosion-resistant miniature steel pipe pile and manufacture method |
| KR101920785B1 (en) * | 2018-05-11 | 2018-11-21 | 박재홍 | Connecting device and method of geo-tube |
| CN209652948U (en) * | 2018-10-24 | 2019-11-19 | 北京交通大学 | A kind of miniature steel pipe pile connection limiter |
| CN209412807U (en) * | 2018-12-24 | 2019-09-20 | 深圳市鸿创建设有限公司 | A kind of steel-pipe pile connection structure |
| CN110409432A (en) * | 2019-07-23 | 2019-11-05 | 吴义珑 | A kind of prestressed steel pipe of concrete guard wall |
| CN211547696U (en) * | 2019-12-17 | 2020-09-22 | 中交路桥建设有限公司 | Steel pipe pile |
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