CN204738291U - Stake of solid side of precast concrete bamboo joint - Google Patents
Stake of solid side of precast concrete bamboo joint Download PDFInfo
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- CN204738291U CN204738291U CN201520467910.0U CN201520467910U CN204738291U CN 204738291 U CN204738291 U CN 204738291U CN 201520467910 U CN201520467910 U CN 201520467910U CN 204738291 U CN204738291 U CN 204738291U
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- 239000007787 solid Substances 0.000 title claims abstract description 24
- 239000011178 precast concrete Substances 0.000 title claims abstract description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 title abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 title abstract 2
- 241001330002 Bambuseae Species 0.000 title abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 title abstract 2
- 239000011425 bamboo Substances 0.000 title abstract 2
- 230000007704 transition Effects 0.000 claims abstract description 9
- 210000003205 muscle Anatomy 0.000 claims description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 238000003032 molecular docking Methods 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 210000002435 tendon Anatomy 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a stake of solid side of precast concrete bamboo joint, square stake is including the pile body, the cross -section of pile body is square, and is located the big cross -section festival section of pile body upper end and pile body lower extreme respectively and is located two including two interlude between the big cross -section festival section, the interlude both ends are equipped with small bore festival section, the sectional area of big cross -section festival section is greater than the sectional area of small bore festival section, through the inclined plane transition between big cross -section festival section and the small bore festival section, the utility model relates to a possesses the multiple comprehensive properties's of high vertical bearing capacity height, strong horizontal resistance to shear, good anti -corrosion performance, strong resistance to plucking performance square stake.
Description
Technical field
The utility model relates to the square pile that building material industry uses, and is specially a kind of precast concrete ring solid square pile.
Background technology
Precast concrete pile applies to the low pile cap basis of seismic fortification intensity 8 degree and following industry and civilian construction.Building storey in recent years due to China is more and more higher, the vertical bearing capacity of stake and horizontal shear power are had higher requirement, cause part province to use the story height of pile tube and propose restriction, adopt the mode of heavy caliber pile tube to improve the cost of foundation platform greatly in prior art simultaneously, and, due to increasing of floor, the basis of original pile body vertical bearing capacity and horizontal shear power improves the requirements at the higher level of the pile body combination property to the skew of pile body wind lotus and resistance to plucking, the stake that can reach above-mentioned combination property more of the prior art often needs by the design outside stake self and process, construction is complicated, cost price is all very high.In addition, along with factorial praluction constantly instead of the traditional mode of production mode of square pile, the manufacturing process of square pile is more advanced, and quality more easily controls.
Summary of the invention
The utility model for the proposition of above problem, and develops the precast concrete ring solid square pile that a kind of vertical bearing capacity is high, horizontal shear power is strong, corrosion resistance good, extraction-resistant behavior strengthens.
The technical solution of the utility model is:
A kind of precast concrete ring solid square pile, described square pile comprises pile body; The cross section of described pile body is square, and comprises two and lay respectively at the heavy in section sections of pile body upper end and pile body lower end and the interlude between two described heavy in section sections; Described interlude two ends are provided with small bore sections, and the sectional area of described heavy in section sections is greater than the sectional area of small bore sections; Chamfered transition is passed through between described heavy in section sections and small bore sections;
Further, described pile body is formed through concreting by reinforcing cage; Described reinforcing cage comprises multiple main muscle of extending along pile body length direction and spiral is centered around stirrup on multiple main muscle;
Further, on the cross section of described pile body, multiple described main muscle is square layout;
Further, multiple main muscle all adopts presstressed reinforcing steel, all adopts the mixing of non-prestressing tendon or employing presstressed reinforcing steel and non-prestressing tendon;
Further, described square pile also comprises the pile cover being arranged on described pile body two ends;
Further, the main muscle extended spot of described pile body top and bottom is all provided with the joint for square pile docking;
In addition, described square pile also comprises the pile top being arranged at described pile body lower end; The main muscle extended spot of described pile body upper end is provided with the joint for square pile docking; Multiple pile top reinforcing bar comprising vertical section and tilting section is provided with in described pile top; The vertical section of each pile top reinforcing bar is enclosed in inside by multiple main muscle, and connects one to one with each main muscle; The vertical section of each pile top reinforcing bar all connects one end of a tilting section, and the other end of described tilting section extends to described pile top end; Described pile top end is also provided with steel bushing;
Further, described interlude also has heavy in section sections; The cross section of described pile body is square, with fillet or chamfered transition on square four angles;
Further, described pile cover comprises the pile protection hoop be fixedly connected with the stake end face of described solid square pile, the mesh sheet of building the concrete in described pile protection hoop and being embedded in described concrete; Described mesh sheet is parallel to described stake end face and places, and has and mutually intersect formed network by multiple vertical reinforcement and multiple transverse reinforcement; Described main muscle passes mesh sheet and is connected with the joint docked for square pile;
Further, described joint comprises stretch-draw positioning sleeve I and stretch-draw positioning sleeve II, described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II are sleeve shaped structure, and the bottom of described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II is equipped with can by spacing for main muscle end positive stop end within it; Described joint also comprises guiding buckle and spring left-hand thread pin, is provided with internal thread in described stretch-draw positioning sleeve I, and described guiding buckle is cylinder annular, and the outside of guiding buckle is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve I; Described stretch-draw positioning sleeve II inside is provided with internal thread, described spring left-hand thread pin comprises spin base and at least three and is fixed on the left-hand thread tooth spun on base, the described base that spins is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve II, described left-hand thread tooth is by being extruded through guiding buckle, and bounce-back thus make left-hand thread tooth be limited in guide card to buckle after by guiding buckle.
Owing to have employed technique scheme, the precast concrete ring solid square pile that the utility model provides, adopt solid square pile, its actual concrete section had amasss relative to the pile tube of comparable size or the larger of hollow square pile, improves vertical bearing capacity and the horizontal shear power of square pile under equal concrete strength; Have the different sections of sectional area by pile body, form ring form, friction area becomes large, improves extraction-resistant behavior, also improves bearing capacity simultaneously; The mechanical connection saved up and down between stake is realized by joint, not only there is the good corrosiveness resisting external environment, and make to save up and down stake and become a continuous whole entirety, the main muscle of prestressing force saving stake up and down connects in line from bottom to top, the conduction of exerting all one's strength is more reasonable, and then make basic stress also more reasonable, substantially increase the extraction-resistant behavior of pile body.The utility model is due to the increase of the sectional area of the sections of pile body upper end, enhance the bearing capacity that cushion cap is subject to angle stake die-cut, make superstructure more firm, the increase of the sectional area of the sections of pile body lower end, form certain spread footing, improve end resistance, improve utmost carrying ability value, and reduce sedimentation coefficient; The utility model a kind ofly possesses high, the strong horizontal shear power of high vertical bearing capacity, good corrosion energy, square pile compared with the multiple combination property of strong pluck-resistant performance.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the square pile of the utility model embodiment 1;
Fig. 2 is the right view of the square pile of the utility model embodiment 1;
Fig. 3 is the left view of the square pile of the utility model embodiment 1;
Fig. 4 is the structural representation of the square pile of the utility model embodiment 2;
Fig. 5 is the right view of the square pile of the utility model embodiment 2;
Fig. 6 is the right view of the square pile of the utility model embodiment 2;
Fig. 7, Fig. 8 are the schematic diagrames adopting the joint of the utility model embodiment 3 to carry out square pile docking;
Fig. 9, Figure 10 are the schematic diagrames adopting the joint of the utility model embodiment 4 to carry out square pile docking;
Figure 11, Figure 12 are the schematic diagrames adopting the joint of the utility model embodiment 5 to carry out square pile docking;
Figure 13, Figure 14 are the cross section example schematic diagram of square pile described in the utility model;
Figure 15, Figure 16 are other structural representations of the square pile of the utility model embodiment 1;
Figure 17, Figure 18 are other structural representations of the square pile of the utility model embodiment 2;
In figure: 1, pile body, 2, pile cover, 3, pile top, 5, concrete, 10, heavy in section sections, 11, small bore sections, 12, inclined-plane, 13, main muscle, 14, stirrup, 20, pile protection hoop, 21, mesh sheet, 31, vertical section, 32, tilting section, 33, steel bushing, 40, stranded wire anchor head, 41, wire circlip, 42, prestressed steel bar, 43, stretch-draw positioning sleeve II, 44, spring left-hand thread pin, 45, guiding buckle, 46, stretch-draw positioning sleeve I, 47, rod iron heading, 48, screw-thread steel, 49, prestress wire, 50, positive stop end, 51, spin base, 52, left-hand thread tooth, 53, groove.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, Figure 2, a kind of precast concrete ring solid square pile shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17 and Figure 18, described square pile comprises pile body 1; The cross section of described pile body 1 is square, and comprises two and lay respectively at the heavy in section sections 10 of pile body 1 upper end and pile body 1 lower end and the interlude between two described heavy in section sections 10; Described interlude two ends are provided with small bore sections 11, and the sectional area of described heavy in section sections 10 is greater than the sectional area of small bore sections 11; By inclined-plane 12 transition between described heavy in section sections 10 and small bore sections 11; Further, described pile body 1 to be built through concrete 5 by reinforcing cage and is formed; Described reinforcing cage comprises multiple main muscle 13 of extending along pile body 1 length direction and spiral is centered around stirrup 14 on multiple main muscle 13; Further, on the cross section of described pile body 1, multiple described main muscle 13 is square layout; Further, multiple main muscle 13 all adopts presstressed reinforcing steel, all adopts the mixing of non-prestressing tendon or employing presstressed reinforcing steel and non-prestressing tendon; Further, described square pile also comprises the pile cover 2 being arranged on described pile body 1 two ends; Further, main muscle 13 extended spot of described pile body 1 top and bottom is all provided with the joint for square pile docking; In addition, described square pile also comprises the pile top 3 being arranged at described pile body 1 lower end; Main muscle 13 extended spot of described pile body 1 upper end is provided with the joint for square pile docking; Multiple pile top reinforcing bar comprising vertical section 31 and tilting section 32 is provided with in described pile top 3; The vertical section 31 of each pile top reinforcing bar is enclosed in inside by multiple main muscle 13, and connects one to one with each main muscle 13; The vertical section 31 of each pile top reinforcing bar all connects one end of a tilting section 32, and the other end of described tilting section 32 extends to described pile top 3 end; Described pile top 3 end is also provided with steel bushing 33; Further, described interlude also has heavy in section sections 10; The cross section of described pile body 1 is square, with fillet or chamfered transition on square four angles; Further, described pile cover 2 comprises the pile protection hoop 20 be fixedly connected with the stake end face of described solid square pile, the mesh sheet 21 of building the concrete in described pile protection hoop 20 and being embedded in described concrete; Described mesh sheet 21 is parallel to described stake end face and places, and has and mutually intersect formed network by multiple vertical reinforcement and multiple transverse reinforcement; Described main muscle 13 passes mesh sheet 21 and is connected with the joint docked for square pile; Further, described joint comprises stretch-draw positioning sleeve I 46 and stretch-draw positioning sleeve II 43, described stretch-draw positioning sleeve I 46 and stretch-draw positioning sleeve II 43 are sleeve shaped structure, and the bottom of described stretch-draw positioning sleeve I 46 and stretch-draw positioning sleeve II 43 is equipped with can by spacing for main muscle 13 end positive stop end 50 within it; Described joint also comprises guiding buckle 45 and spring left-hand thread pin 44, is provided with internal thread in described stretch-draw positioning sleeve I 46, and described guiding buckle 45 is cylinder annular, and the outside of guiding buckle 45 is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve I 46; Described stretch-draw positioning sleeve II 43 inside is provided with internal thread, described spring left-hand thread pin 44 comprises spin base 51 and at least three and is fixed on the left-hand thread tooth 52 spun on base 51, the described base 51 that spins is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve II 43, described left-hand thread tooth 52 by being extruded through guiding buckle 45, and rebounding thus makes left-hand thread tooth 52 be limited on guiding buckle 45 after passing through guiding buckle 45; Groove 53 is provided with between each left-hand thread tooth 52.
During practical application, square pile needs to dock rear use with other square pile, the diverse location residing for square pile usually, and the utility model gives the structural representation of embodiment 1 and embodiment 2 two kinds of square piles; Fig. 1 to Fig. 3 shows the square pile structural representation of the utility model embodiment 1, and pile body 1 both ends of the surface of this square pile all can arrange pile cover 2, and dock with other square pile, and Figure 15, Figure 16 are other structural representations of the square pile of the utility model embodiment 1; Be directed to Fig. 1, Figure 15 and Figure 16, on interlude heavy in section sections 10 and small bore sections 11 to be arranged alternately mode different; Fig. 4 to Fig. 6 shows the square pile structural representation of the utility model embodiment 2, pile body 1 one end face of this square pile can arrange pile cover 2, and dock with other square pile, other structural representation that other end is provided with pile top 3, Figure 17, Figure 18 is the square pile of the utility model embodiment 2; Be directed to Fig. 4, Figure 17 and Figure 18, on interlude heavy in section sections 10 and small bore sections 11 to be arranged alternately mode different.
In addition, the multiple main muscle 13 of the utility model all can adopt presstressed reinforcing steel, all adopt the mixing of non-prestressing tendon or employing presstressed reinforcing steel and non-prestressing tendon, wherein presstressed reinforcing steel can be prestressed steel bar 42 or prestress wire 49, and non-prestressing tendon can be screw-thread steel 48, according to the different parts that main muscle 13 adopts, the utility model is used for the joint of square pile docking also to there being 3 kinds of structures, Fig. 7 and Fig. 8 is the schematic diagram adopting the joint of the utility model embodiment 3 to carry out square pile docking, its correspondence be that main muscle 13 adopts prestressed steel bar 42, and there is rod iron heading 47, Fig. 9 and Figure 10 is the schematic diagram adopting the joint of the utility model embodiment 4 to carry out square pile docking, its correspondence be that main muscle 13 adopts screw-thread steel 48, Figure 11 and Figure 12 is the schematic diagram adopting the joint of the utility model embodiment 5 to carry out square pile docking, its correspondence be that main muscle 13 adopts prestress wire 49, as is illustrated by figs. 11 and 12, positive stop end 50 in embodiment 5 is large mouth bellmouth inwardly, the stranded wire anchor head 40 that external surface is the conical surface is provided with in described bellmouth, the external surface of stranded wire anchor head 40 coordinates with bellmouth, stranded wire anchor head 40 is limited in bellmouth, and stranded wire anchor head 40 outside is provided with wire circlip 41, the sheathed end being fixed on steel strand of stranded wire anchor head 40, realize the connection of steel strand and stretch-draw positioning sleeve I 46 and steel strand and stretch-draw positioning sleeve II 43, the utility model linearly connects the main muscle of every root due to joint, reaches the requirement of the through layout of reinforcing bar, and joint is originally as seamless accurate docking, and structurally internal stress is effectively transmitted, joint is in concrete, and steel part does not expose, and promotes corrosion resistance.
The cross section of pile body 1 described in the utility model is square, the cross section of the pile body 1 shown in Fig. 2 is square, Figure 13, Figure 14 are the other square pile cross section exemplary plot of the utility model, wherein, the cross section that Figure 13 shows described pile body 1 is square, but with round-corner transition on square four angles, the cross section that Figure 14 shows described pile body 1 is square, but uses chamfered transition on square four angles.
The precast concrete ring solid square pile that the utility model provides, adopt solid square pile, its actual concrete section had amasss relative to the pile tube of comparable size or the larger of hollow square pile, improves vertical bearing capacity and the horizontal shear power of square pile under equal concrete strength; Have the different sections of sectional area by pile body, form ring form, friction area becomes large, improves extraction-resistant behavior, also improves bearing capacity simultaneously; The mechanical connection saved up and down between stake is realized by joint, not only there is the good corrosiveness resisting external environment, and make to save up and down stake and become a continuous whole entirety, the main muscle of prestressing force saving stake up and down connects in line from bottom to top, the conduction of exerting all one's strength is more reasonable, and then make basic stress also more reasonable, substantially increase the extraction-resistant behavior of pile body.The utility model is due to the increase of the sectional area of the sections of pile body upper end, enhance the bearing capacity that cushion cap is subject to angle stake die-cut, make superstructure more firm, the increase of the sectional area of the sections of pile body lower end, form certain spread footing, improve end resistance, improve utmost carrying ability value, and reduce sedimentation coefficient.The utility model a kind ofly possesses high, the strong horizontal shear power of high vertical bearing capacity, good corrosion energy, square pile compared with the multiple combination property of strong pluck-resistant performance.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and inventive concept thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a precast concrete ring solid square pile, is characterized in that described square pile comprises pile body; The cross section of described pile body is square, and comprises two and lay respectively at the heavy in section sections of pile body upper end and pile body lower end and the interlude between two described heavy in section sections; Described interlude two ends are provided with small bore sections, and the sectional area of described heavy in section sections is greater than the sectional area of small bore sections; Chamfered transition is passed through between described heavy in section sections and small bore sections.
2. precast concrete ring solid square pile according to claim 1, is characterized in that described pile body is formed through concreting by reinforcing cage; Described reinforcing cage comprises multiple main muscle of extending along pile body length direction and spiral is centered around stirrup on multiple main muscle.
3. precast concrete ring solid square pile according to claim 2, is characterized in that on the cross section of described pile body, and multiple described main muscle is square layout.
4. precast concrete ring solid square pile according to claim 2, is characterized in that multiple main muscle all adopts presstressed reinforcing steel, all adopts the mixing of non-prestressing tendon or employing presstressed reinforcing steel and non-prestressing tendon.
5. precast concrete ring solid square pile according to claim 2, is characterized in that described square pile also comprises the pile cover being arranged on described pile body two ends.
6. precast concrete ring solid square pile according to claim 2, is characterized in that the main muscle extended spot of described pile body top and bottom is all provided with the joint for square pile docking.
7. precast concrete ring solid square pile according to claim 2, is characterized in that described square pile also comprises the pile top being arranged at described pile body lower end; The main muscle extended spot of described pile body upper end is provided with the joint for square pile docking; Multiple pile top reinforcing bar comprising vertical section and tilting section is provided with in described pile top; The vertical section of each pile top reinforcing bar is enclosed in inside by multiple main muscle, and connects one to one with each main muscle; The vertical section of each pile top reinforcing bar all connects one end of a tilting section, and the other end of described tilting section extends to described pile top end; Described pile top end is also provided with steel bushing.
8. precast concrete ring solid square pile according to claim 1, is characterized in that also having heavy in section sections on described interlude; The cross section of described pile body is square, with fillet or chamfered transition on square four angles.
9. precast concrete ring solid square pile according to claim 5, is characterized in that described pile cover comprises the pile protection hoop be fixedly connected with the stake end face of described solid square pile, the mesh sheet of building the concrete in described pile protection hoop and being embedded in described concrete; Described mesh sheet is parallel to described stake end face and places, and has and mutually intersect formed network by multiple vertical reinforcement and multiple transverse reinforcement; Described main muscle passes mesh sheet and is connected with the joint docked for square pile.
10. precast concrete ring solid square pile according to claim 6, it is characterized in that described joint comprises stretch-draw positioning sleeve I and stretch-draw positioning sleeve II, described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II are sleeve shaped structure, and the bottom of described stretch-draw positioning sleeve I and stretch-draw positioning sleeve II is equipped with can by spacing for main muscle end positive stop end within it; Described joint also comprises guiding buckle and spring left-hand thread pin, is provided with internal thread in described stretch-draw positioning sleeve I, and described guiding buckle is cylinder annular, and the outside of guiding buckle is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve I; Described stretch-draw positioning sleeve II inside is provided with internal thread, described spring left-hand thread pin comprises spin base and at least three and is fixed on the left-hand thread tooth spun on base, the described base that spins is provided with the external screw thread with the screw-internal thread fit of stretch-draw positioning sleeve II, described left-hand thread tooth is by being extruded through guiding buckle, and bounce-back thus make left-hand thread tooth be limited in guide card to buckle after by guiding buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467910.0U CN204738291U (en) | 2015-07-02 | 2015-07-02 | Stake of solid side of precast concrete bamboo joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467910.0U CN204738291U (en) | 2015-07-02 | 2015-07-02 | Stake of solid side of precast concrete bamboo joint |
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| CN204738291U true CN204738291U (en) | 2015-11-04 |
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| CN201520467910.0U Active CN204738291U (en) | 2015-07-02 | 2015-07-02 | Stake of solid side of precast concrete bamboo joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804941A (en) * | 2019-11-20 | 2020-02-18 | 佛山科学技术学院 | Stay cable stretching anchoring anti-retraction device |
| CN112442977A (en) * | 2019-09-04 | 2021-03-05 | 周兆弟 | Concrete variable cross-section prefabricated square pile |
| US11745156B2 (en) | 2020-02-05 | 2023-09-05 | Machinefabriek Kreber B.V. | Method of producing prills |
-
2015
- 2015-07-02 CN CN201520467910.0U patent/CN204738291U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442977A (en) * | 2019-09-04 | 2021-03-05 | 周兆弟 | Concrete variable cross-section prefabricated square pile |
| WO2021042764A1 (en) | 2019-09-04 | 2021-03-11 | 周兆弟 | Concrete variable cross-section prefabricated square pile |
| EP4026950A4 (en) * | 2019-09-04 | 2023-10-11 | Zhou, Zhaodi | Concrete variable cross-section prefabricated square pile |
| US12065801B2 (en) | 2019-09-04 | 2024-08-20 | Zhaodi Zhou | Concrete variable cross-section prefabricated square pile |
| CN110804941A (en) * | 2019-11-20 | 2020-02-18 | 佛山科学技术学院 | Stay cable stretching anchoring anti-retraction device |
| US11745156B2 (en) | 2020-02-05 | 2023-09-05 | Machinefabriek Kreber B.V. | Method of producing prills |
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Effective date of registration: 20181205 Address after: 124103 Xinli Village, Tianshui Township, Panshan County, Panjin City, Liaoning Province Patentee after: Liaoning Hengjin Building Materials Co., Ltd. Address before: 434000 No. 370, Group II, Chenlong Village, Cenhe Town, Shashi City, Jingzhou City, Hubei Province Patentee before: Yuan Jiang |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200619 Address after: 434000 Jingzhou city of Hubei province Shashi Town Village two groups Cen Chen No. 370 Patentee after: Yuan Xuefeng Address before: 124103 new village, sweet water town, Panshan County, Panjin, Liaoning Patentee before: LIAONING HENGJIN BUILDING MATERIAL Co.,Ltd. |
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Effective date of registration: 20200727 Address after: No.1 Xiangnan East Road, Nansha Industrial Park, Jingang town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Tianhai steel bar (Zhangjiagang) Co., Ltd Address before: 434000 Jingzhou city of Hubei province Shashi Town Village two groups Cen Chen No. 370 Patentee before: Yuan Xuefeng |
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| TR01 | Transfer of patent right |