CN109898538B - Component for prefabricated pile centering and centering connection method - Google Patents
Component for prefabricated pile centering and centering connection method Download PDFInfo
- Publication number
- CN109898538B CN109898538B CN201910208947.4A CN201910208947A CN109898538B CN 109898538 B CN109898538 B CN 109898538B CN 201910208947 A CN201910208947 A CN 201910208947A CN 109898538 B CN109898538 B CN 109898538B
- Authority
- CN
- China
- Prior art keywords
- steel cylinder
- centering
- precast pile
- precast
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a component for centering a prefabricated pile and a centering connection method, belongs to the field of prefabricated part connection in the building industry, and solves the problems that in the prior art, when a pile and a column are prefabricated separately for centering connection, the centering method wastes time and labor, the connection is inconvenient, and the centering precision is low. Firstly, the invention respectively sleeves the centering connecting component with two coaxial steel cylinders with the precast pile and the precast column, so that the two steel cylinders are respectively clung to the inner wall of the precast pile column to realize accurate centering and are fixed by a supporting and positioning structure. And then, fixing the reserved steel bars of the precast pile columns in a welding or binding mode, arranging a mould at the connecting component, surrounding and sealing the centering connecting component, the precast pile columns and the reserved steel bars of the precast pile, and combining the precast pile columns into a whole in a concrete pouring mode in the mould to realize the fastening connection of the precast pile columns. The invention realizes the quick centering of the pile and the column, and has the advantages of high positioning speed, convenient use, economy and applicability.
Description
Technical Field
The invention relates to the field of prefabricated part connection in the construction industry, in particular to a component for prefabricated pile centering and a centering connection method.
Background
The foundation construction mode of cast-in-place plays an important role in most of the current engineering construction by virtue of the superiority, but the construction mode needs a large amount of templates, the field workload is large, and the construction period is long. For example, in urban construction, because the traffic volume is large, the traffic is prevented from being influenced for a long time, the construction needs to be completed quickly, and the requirement cannot be met by cast-in-place. The prefabricated foundation construction well avoids the problems and has the advantages of short construction period, high product quality, low energy consumption, small environmental pollution and the like, so that the prefabricated foundation construction mode is rapidly developed.
Due to the advantages of prefabricated foundation construction, the prefabricated foundation construction method is quickly applied to a plurality of structures produced in engineering. However, the prefabricated construction mode is usually adopted, the piles and the columns are prefabricated separately and then transported to the site for splicing, and the centering problem of the prefabricated piles and the prefabricated columns needs to be considered during splicing. If the centering precision of the two can not be ensured, the engineering requirements can not be met.
The existing centering method of the precast pile and the precast column is generally characterized in that a metal end plate is arranged at one end of the pile and one end of the column, the precast column is centered with the precast pile after being lifted through a lifting device, and then the two end plates are welded to be connected and fixed. Therefore, a technical method is needed to solve the problems of low centering precision of the precast pile and the precast column, complicated and inconvenient centering connection operation and the like.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a component for centering a prefabricated pile and a centering connection method, so as to solve the problems of time and labor waste, inconvenient connection and low centering precision of the existing centering method when the pile and the column are prefabricated separately and butted in the prior art.
The invention relates to a component for precast pile column centering, which comprises: the device comprises a first steel cylinder, a supporting and positioning structure and a third steel cylinder;
the central axes of the first steel cylinder and the third steel cylinder are superposed; the outer diameter of the first steel cylinder is the same as the inner diameter of the precast pile, so that the first steel cylinder is tightly attached to the inner wall of the precast pile, the outer diameter of the third steel cylinder is the same as the inner diameter of the precast pile, and the third steel cylinder is tightly attached to the inner wall of the precast pile;
the first steel cylinder is provided with a guide structure, and the guide structure is of a circular truncated cone shape and is used for guiding the prefabricated column to be sleeved with the first steel cylinder;
one end of the supporting and positioning structure is connected with the first steel cylinder, and the other end of the supporting and positioning structure is connected with the third steel cylinder;
the supporting and positioning structure is used for supporting the self weight and the weight of the prefabricated column during centering connection.
The support location structure includes: the second steel cylinder, the first bracket and the second bracket.
The second steel cylinder is cylindrical or round table; the outer diameter of the upper end face of the second steel cylinder is the same as that of the first steel cylinder; the outer diameter of the lower end face of the second steel cylinder is the same as that of the third steel cylinder.
The upper ends of the first steel cylinder and the second steel cylinder are fixedly connected or are of an integral structure; the third steel cylinder is fixedly connected with the lower end of the second steel cylinder or is of an integral structure.
First bracket and second bracket all set up on the second steel cylinder, and with second steel cylinder fixed connection.
The first bracket is used for limiting the axial displacement of the prefabricated column relative to the first steel cylinder; the second bracket is used for limiting the axial displacement of the second steel cylinder to the precast pile.
The first bracket and the second bracket are both triangular plates.
According to the requirement of meeting the strength of the supporting prefabricated column, a plurality of first brackets are uniformly distributed on the periphery of the second steel cylinder; according to the requirement that satisfies supporting connection spare and prefabricated post intensity, the second bracket has a plurality ofly, and evenly distributed is peripheral at the second steel cylinder.
The upper end surface of the first bracket is flush with the upper end surface of the second steel cylinder and is vertical to the outer surface of the first steel cylinder; the lower end face of the second bracket is flush with the lower end face of the second steel cylinder and is perpendicular to the outer surface of the third steel cylinder.
The centering connection method for the components in the prefabricated pile centering comprises the following steps:
s1, inserting a third steel cylinder of the centering connecting member into the precast pile, wherein the outer surface of the third steel cylinder is tightly attached to the inner wall of the precast pile and is fixed through a supporting and positioning structure;
s2, lifting the prefabricated column through hoisting equipment, moving the prefabricated column to a centering connecting component, sleeving the prefabricated column on the first steel cylinder, and fixing the prefabricated column through a supporting and positioning structure; the first steel cylinder and the third steel cylinder are coaxial, so that the prefabricated column and the prefabricated pile are coaxial and are centered;
s3, connecting and fixing the precast pile and the reserved steel bars of the precast column through welding or binding;
and S4, arranging a mold at the position of the centering connecting member, surrounding and sealing the centering connecting member, the prefabricated column and the reserved steel bars of the prefabricated pile by the mold, reserving a pouring hole at the upper end of the mold, pouring concrete in the mold, and combining the prefabricated pile and the prefabricated column which are connected in a centering way into a whole after the concrete is solidified.
In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
Fig. 1 is a member (constant section) for precast pile centering;
fig. 2 is a sectional view (equal section) of a connection state of the precast pile column and the member;
fig. 3 is a member (variable cross-section) for precast pile centering.
Reference numerals:
1-a first steel cylinder; 2-a second steel cylinder; 3-a third steel cylinder; 4-a first corbel; 5-a second corbel; 6-prefabricating a column; 7-precast pile; 8-guiding structure.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
In another aspect, the present invention provides a member for precast pile centering, as shown in fig. 1, comprising: the first steel cylinder 1, support location structure and third steel cylinder 3. The first steel cylinder 1 and the third steel cylinder 3 are fixedly connected with the supporting and positioning structure or are of an integral structure.
The central axes of the first steel cylinder 1 and the third steel cylinder 3 are superposed, when in use, the third steel cylinder 3 is arranged in the precast pile 7, and the third steel cylinder 3 is tightly attached to the inner wall of the precast pile 7 and is positioned by the supporting and positioning structure. The prefabricated column 6 is sleeved on the first steel cylinder 1, and the first steel cylinder 1 is tightly attached to the inner wall of the prefabricated column 6 and is positioned through a supporting and positioning structure, as shown in fig. 2.
In order to ensure the structural strength of the connecting member, the centering connecting member adopts a steel structure, the inner diameter of the central through hole of the connecting member can be adjusted according to the required strength, and the thickness of the steel cylinder of the connecting member is changed, so that the connecting member can bear the weight of the prefabricated column 6.
In order to ensure the centering accuracy of the precast pile 7 and the precast column 6, the outer diameter of the first steel cylinder 1 is the same as the inner diameter of the precast column 6, and the outer diameter of the third steel cylinder 3 is the same as the inner diameter of the precast pile 7. In order to ensure smooth sleeve connection, the outer diameter of the first steel cylinder 1 or the third steel cylinder 3 can be slightly smaller than the inner hole diameter of the precast pile 7 or the precast column 6 within the range allowed by centering precision.
Considering, the inner hole diameter of the prefabricated column 6 is the same as the outer diameter of the first steel cylinder 1, and the difficulty of the hoisting equipment hoisting of the prefabricated column 6 and the first steel cylinder 1 in sleeve joint matching is large. Therefore, in order to enable the prefabricated column 6 to be smoothly sleeved on the first steel cylinder 1 of the connecting component, the first steel cylinder 1 is provided with a guide structure 8, and the guide structure 8 can be a circular truncated cone-shaped steel cylinder and is fixedly connected with the upper end of the main body of the first steel cylinder 1; because the diameter of the upper end part of the circular truncated cone type guide structure 8 is smaller, the prefabricated column 6 is conveniently sleeved outside smoothly, further, the guide structure 8 guides the prefabricated column 6 to be sleeved on the first steel cylinder 1, the main body of the first steel cylinder 1 is matched with the inner hole of the prefabricated column 6, the main body of the first steel cylinder 1 is tightly attached to the inner wall of the prefabricated column 6, and centering precision is guaranteed.
Specifically, the support positioning structure includes: a second steel cylinder 2, a first bracket 4 and a second bracket 5.
The second steel cylinder 2 is used as a middle connecting part to be connected with the first steel cylinder 1 and the third steel cylinder 3 and is fixedly connected with the first steel cylinder 1 and the third steel cylinder 3 or is integrally arranged. When the diameter of the precast pile is equal to that of the precast column, the outer diameters of the corresponding first steel cylinder 1, the second steel cylinder 2 and the third steel cylinder 3 are also equal, and at the moment, the first steel cylinder 1, the second steel cylinder 2 and the third steel cylinder 3 are of an integral structure.
Specifically, the second steel cylinder 2 is respectively connected with the first steel cylinder 1 and the third steel cylinder 3, and the outer diameter of the upper end face of the second steel cylinder 2 is the same as that of the first steel cylinder 1; the outer diameter of the lower end surface of the second steel cylinder 2 is the same as that of the third steel cylinder 3.
Considering that the diameters of the precast pile 7 and the precast pile 6 are equal or unequal, the second steel cylinder 2 may be cylindrical or truncated cone.
When the diameters of the precast pile columns are equal, the diameters of the first steel cylinder 1 and the third steel cylinder 3 are also equal. When the diameters of the precast pile columns are unequal, the diameters of the first steel cylinder 1 and the third steel cylinder 3 are also unequal. Because the second steel cylinder 2 is a middle connection structure of the first steel cylinder 1 and the third steel cylinder 3, the second steel cylinder 2 is cylindrical when the diameters of the prefabricated piles are equal; when the diameters of the precast piles are unequal, the second steel cylinder is in a circular truncated cone shape, and at the moment, the structure of the centering connecting component is shown in figure 3.
Specifically, the precast pile 7 is a hollow cylindrical structure, and the second bracket 5 is designed to serve as a support for the connecting member in order to prevent the connecting member from falling into an inner hole of the precast pile 7. Meanwhile, after the prefabricated column 6 is sleeved with the first steel cylinder 1, the first bracket 4 is designed to limit the axial displacement of the prefabricated column 6, and the first bracket 4 serves as a support of the prefabricated column.
That is, the first bracket 4 is used to position the prefabricated column 6 for axial displacement relative to the first steel cylinder 1; the second bracket 5 is used to locate the axial displacement of the connecting member relative to the precast pile 7.
Specifically, first bracket 4 and second bracket 5 all with set up on second steel cylinder 2, and with second steel cylinder 2 fixed connection.
In particular, the first bracket 4 and the second bracket 5 may be designed as rectangular or triangular plates. When the prefabricated pile equal diameter, second steel cylinder 2 is the cylinder, and the bracket can be designed for rectangle plate or triangle-shaped plate this moment all can.
It should be noted that when the diameters of the precast piles are unequal, the first bracket 4 and the second bracket 5 need to be designed as triangular plates. At this moment, the corresponding second steel cylinder 2 is in a round table shape, so that in order to facilitate the matching and installation of the bracket and the second steel cylinder 2, the plane corresponding to the bevel edge of the triangular plate is fixedly connected with the outer surface of the second steel cylinder 2, the upper surface of the triangular plate is perpendicular to the outer cylindrical surface of the precast pile, and the first bracket 4 serves as a supporting structure of the precast pile.
Considering that the prefabricated column 6 has a large weight, the connecting member needs to bear the weight of the prefabricated column 6, and in order to ensure the structural strength and rigidity of the connecting member, the first brackets 4 are provided in plurality and uniformly distributed on the periphery of the upper end of the second steel cylinder 2. Correspondingly, the second brackets 5 are also multiple and are uniformly distributed on the periphery of the lower end of the second steel cylinder. Gaps among all rows of brackets are used for providing placing spaces for reserved steel bars of the prefabricated pile.
Specifically, in order to ensure accurate centering and connection of the precast pile, the upper end surface of the first bracket 4 is flush with the upper end surface of the second steel cylinder 2 and perpendicular to the outer surface of the first steel cylinder 1. The lower end face of the second bracket 5 is flush with the lower end face of the second steel cylinder 2 and perpendicular to the outer surface of the third steel cylinder 3.
On the other hand, a specific embodiment of the invention discloses a centering connection method for components in a precast pile pair, which comprises the following steps:
s1, inserting a third steel cylinder 3 of the centering connecting member into a precast pile 7, wherein the first steel cylinder 1 is tightly attached to the inner wall of the precast pile 7; the centering connecting component is prevented from falling into the precast pile 7 through the supporting and positioning structure;
s2, lifting the prefabricated column 6 through hoisting equipment, moving the prefabricated column to a centering connecting component, sleeving the prefabricated column on the third steel cylinder 3, and fixing the prefabricated column through a supporting and positioning structure; the first steel cylinder 1 and the third steel cylinder 3 are coaxial, so that the precast column 6 and the precast pile 7 are coaxial, and centering is completed;
s3, connecting and fixing the precast pile 7 and the reserved steel bars of the precast column 6 through welding or binding;
and S4, arranging a mould at the position of the centering connecting component, surrounding and sealing the centering connecting component, the precast column 6 and the reserved steel bars of the precast pile 7, reserving a pouring hole at the upper end of the mould, pouring concrete in the mould, and combining the precast pile 7 and the precast column 6 which are connected in a centering way into a whole after the concrete is solidified.
In the implementation of steps S1 and S2, the connecting member is inserted into the precast pile 7 and then the precast column 6 is fitted. In order to ensure that the precast column 6 can be connected with the precast pile 7 in a centering way, the steel cylinders at two ends of the connecting component are respectively matched with the precast pile 7 and the precast column 6, the outer diameter of the steel cylinder at two ends of the connecting component is the same as the diameter of the inner hole of the precast pile, and the steel cylinders are respectively sleeved into the inner holes of the precast pile 7 and the precast column 6. Therefore, accurate centering of the precast pile 7 and the precast column 6 can be realized only by ensuring that the steel cylinders at the two ends of the connecting member are coaxially centered.
For step S4, after the precast pile 6 and the precast pile 7 are aligned, the precast pile is tightly connected by means of an additional mold and concrete pouring, which is simple to operate, can realize quick connection, and can ensure the connection tightness.
Compared with the mode of fixing by welding two metal end plates after centering in the prior art, the fixing mode has simpler operation, can fasten and combine the precast pile column and the connecting member into a whole after the concrete is solidified, has more fastening and reliable connection, improves the reliability of engineering construction, and is safer and more environment-friendly in concrete pouring compared with welding.
Compared with the prior art, the centering connection method provided by the embodiment has at least one of the following technical effects:
1. the alignment precision is high.
The steel cylinders at two ends of the connecting component are respectively matched with the precast pile 7 and the precast column 6, the outer diameter of the steel cylinders at two ends of the connecting component is the same as the diameter of the inner hole of the precast pile 7 and is respectively sleeved in the inner holes of the precast pile 7 and the precast column 6, the first steel cylinder 1 is tightly attached to the inner wall of the precast column 6, and the third steel cylinder 3 is tightly attached to the inner wall of the precast pile 7. Because the two ends of the steel cylinder of the centering connecting component are accurate and coaxial, the prefabricated column 6 and the prefabricated pile 7 which are matched with the two ends of the steel cylinder are also coaxial, and accurate centering can be quickly realized.
2. The applicability is good.
The connecting member of the present invention can be applied to the centering connection of different types of precast piles. The diameters of the precast pile 7 and the precast column 6 are equal or unequal, and when the diameters of the precast pile columns are equal, the second steel cylinder 2 is cylindrical; when the diameters of the precast pile columns are unequal, the second steel cylinder is in a circular truncated cone shape. The method can be suitable for the centering connection of the precast pile with equal diameter and variable diameter.
3. The connection is more secure.
After the prefabricated column 6 and the prefabricated pile 7 are centered, the prefabricated pile is tightly connected in a mode of adding a die and pouring concrete, so that the operation is simple, the quick connection can be realized, and the connection tightness can be guaranteed.
Compared with the mode of fixing by welding two metal end plates after centering in the prior art, the concrete pouring fixing mode has simpler operation, can fasten and combine the precast pile column and the connecting member into a whole after the concrete is solidified, has more fastening and reliable connection, improves the reliability of engineering construction, and is safer and more environment-friendly in concrete pouring compared with welding.
4. The centering connection efficiency is high.
Firstly, the invention adopts a method of respectively sleeving a centering connecting member with two coaxial steel cylinders with a precast pile and a precast column and fixing the centering connecting member by a supporting and positioning structure to realize accurate centering.
Secondly, the invention fixes the reserved steel bars of the precast pile columns in a welding or binding mode, arranges a mould at the connecting component, surrounds and seals the centering connecting component, the precast pile columns and the reserved steel bars of the precast pile columns, and combines the precast pile columns into a whole in a mode of pouring concrete in the mould to realize the fastening connection of the precast pile columns. The centering connection method provided by the invention is simple to operate, has a firm and reliable structure, and improves the working efficiency of a construction site.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (6)
1. A member for precast pile centering, comprising: the device comprises a first steel cylinder (1), a supporting and positioning structure and a third steel cylinder (3);
the central axes of the first steel cylinder (1) and the third steel cylinder (3) are superposed; the outer diameter of the first steel cylinder (1) is the same as the inner diameter of the precast column (6), the first steel cylinder (1) is tightly attached to the inner wall of the precast column (6), the outer diameter of the third steel cylinder (3) is the same as the inner diameter of the precast pile (7), and the third steel cylinder (3) is tightly attached to the inner wall of the precast pile (7);
the first steel cylinder (1) is provided with a guide structure (8), and the guide structure is of a circular truncated cone shape and is used for guiding the prefabricated column (6) to be sleeved with the first steel cylinder (1);
one end of the supporting and positioning structure is connected with the first steel cylinder (1), and the other end of the supporting and positioning structure is connected with the third steel cylinder (3);
the supporting and positioning structure is used for supporting the self weight and the weight of the prefabricated column (6) during centering connection; the support positioning structure comprises: the second steel cylinder (2), the first bracket (4) and the second bracket (5); the second steel cylinder (2) is cylindrical or round table-shaped; the first bracket (4) is used for limiting the axial displacement of the prefabricated column (6) relative to the first steel cylinder (1); the second bracket (5) is used for limiting the axial displacement of the second steel cylinder (2) relative to the precast pile (7); the first bracket (4) and the second bracket (5) are both triangular plates; the upper end surface of the first bracket (4) is flush with the upper end surface of the second steel cylinder (2) and is vertical to the outer surface of the first steel cylinder (1); the lower end face of the second bracket (5) is flush with the lower end face of the second steel cylinder (2) and is perpendicular to the outer surface of the third steel cylinder (3);
and arranging a mould at the position of the centering connecting component, surrounding and sealing the centering connecting component, the precast column (6) and the reserved steel bars of the precast pile (7), reserving a pouring hole at the upper end of the mould, pouring concrete in the mould, and combining the precast pile (7) and the precast column (6) which are connected in a centering way into a whole after the concrete is solidified.
2. A member for precast pile centering according to claim 1, wherein the upper end outer diameter of the second steel cylinder (2) is the same as the outer diameter of the first steel cylinder (1); the outer diameter of the lower end face of the second steel cylinder (2) is the same as that of the third steel cylinder (3).
3. The member for precast pile centering as recited in claim 2, wherein the first steel cylinder (1) is fixedly connected with or integrated with the upper end of the second steel cylinder (2); the third steel cylinder (3) and the lower end of the second steel cylinder (2) are fixedly connected or are of an integral structure.
4. A member for precast pile centering according to claim 3, wherein the first bracket (4) and the second bracket (5) are both provided on the second steel cylinder (2) and are fixedly connected with the second steel cylinder (2).
5. The member for precast pile centering as recited in any one of claims 2 to 4, wherein the first corbel (4) is plural and uniformly distributed on the periphery of the second steel cylinder (2); the second brackets (5) are multiple and are uniformly distributed on the periphery of the second steel cylinder (2).
6. A centering connection method for members in precast pile centering according to any one of claims 1 to 5, comprising the steps of:
s1, inserting a third steel cylinder (3) of the centering connecting member into a precast pile (7), wherein the outer surface of the third steel cylinder (3) is tightly attached to the inner wall of the precast pile (7) and is fixed through a supporting and positioning structure;
s2, lifting the prefabricated column (6) through hoisting equipment, moving the prefabricated column to a centering connecting component, sleeving the prefabricated column on the first steel cylinder (1), and fixing the prefabricated column through a supporting and positioning structure; the first steel cylinder (1) and the third steel cylinder (3) are coaxial, so that the precast column (6) and the precast pile (7) are coaxial and centering is completed;
s3, connecting and fixing the precast pile (7) and the reserved steel bars of the precast column (6) through welding or binding;
and S4, arranging a mold at the position of the centering connecting member, surrounding and sealing the centering connecting member, the prefabricated column (6) and the reserved steel bars of the prefabricated pile (7), reserving a pouring hole at the upper end of the mold, pouring concrete in the mold, and combining the prefabricated pile (7) and the prefabricated column (6) which are connected in a centering way into a whole after the concrete is solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208947.4A CN109898538B (en) | 2019-03-19 | 2019-03-19 | Component for prefabricated pile centering and centering connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208947.4A CN109898538B (en) | 2019-03-19 | 2019-03-19 | Component for prefabricated pile centering and centering connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109898538A CN109898538A (en) | 2019-06-18 |
| CN109898538B true CN109898538B (en) | 2021-02-12 |
Family
ID=66952793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910208947.4A Active CN109898538B (en) | 2019-03-19 | 2019-03-19 | Component for prefabricated pile centering and centering connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109898538B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820787B (en) * | 2019-11-27 | 2021-07-30 | 中国建筑第七工程局有限公司 | Precast concrete butt joint system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201080609Y (en) * | 2007-06-20 | 2008-07-02 | 林启东 | Prestressed concrete pipe pile connecting component |
| CN204626791U (en) * | 2015-05-08 | 2015-09-09 | 内蒙古蒙西工程设计有限公司 | A kind of straight thread reinforced bar live-knot connecting device |
| CA2914598C (en) * | 2015-12-08 | 2017-10-24 | 351471 Alberta Ltd. | Helical pile coupler, assembly, and method |
| CN208251083U (en) * | 2018-05-16 | 2018-12-18 | 深圳墨泰建筑设计与咨询股份有限公司 | A kind of prefabricated pile mechanical connecting structure |
| CN108797579B (en) * | 2018-05-30 | 2020-06-02 | 浙江大学宁波理工学院 | Connecting device and connecting method for precast tubular piles |
-
2019
- 2019-03-19 CN CN201910208947.4A patent/CN109898538B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109898538A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210975503U (en) | Large-span prefabricated assembled bent cap and pier stand connection structure | |
| CN109898538B (en) | Component for prefabricated pile centering and centering connection method | |
| CN111255115A (en) | Node prefabricated assembly type shear wall structure | |
| CN106437032A (en) | Assembled concrete filled steel tubular column splicing structure and method | |
| CN210316185U (en) | Prefabricated shear wall, connected node | |
| JPH08302892A (en) | Precast structural member comprising reinforced concrete column and steel beam, and method for constructing structure using the same | |
| CN113005919A (en) | Pier construction device and pier construction method | |
| CN212671016U (en) | Steel bar connecting device | |
| CN211004226U (en) | Prefabricated combination formula track roof beam and lifting device thereof | |
| CN108661301B (en) | Modular assembly platform for vertical frames of well frames and use method | |
| CN102733297A (en) | Steel pipe concrete continuous girder bridge with no need for welding support joints and construction method thereof | |
| CN210031886U (en) | Prefabricated pile centering connecting component | |
| CN113668703B (en) | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam with three-layer ring plate structure | |
| CN214831975U (en) | Pier construction device | |
| CN217284831U (en) | Node device for connecting upper prefabricated column and lower prefabricated column | |
| CN214994078U (en) | Large-diameter pile column structure for reverse construction method engineering | |
| CN210507509U (en) | Prefabricated cushion cap and pier | |
| CN212897656U (en) | Prefabricated post reinforcing bar of assembled location frock | |
| CN211873407U (en) | Node prefabricated assembly type shear wall structure | |
| CN208701748U (en) | Integrated vertical supporting system in reverse construction stage | |
| CN110805141A (en) | Connecting device and method for steel pipe column and shock insulation support after jacking of building | |
| CN108221973B (en) | Connector with PHC pipe pile as supporting system lattice column | |
| CN112238518B (en) | Template-free rapid construction pier column based on centrifugal method | |
| CN214883608U (en) | Upright post pile positioning device | |
| CN214993023U (en) | Frame pier body structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 050011 No.36 Jianshe South Street, Qiaoxi District, Shijiazhuang City, Hebei Province Patentee after: Hebei transportation planning and Design Institute Co.,Ltd. Address before: 050011 No.36 Jianshe South Street, Shijiazhuang City, Hebei Province Patentee before: HEBEI PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |
|
| CP03 | Change of name, title or address |