CN219137643U - Precast concrete pipe pile - Google Patents

Precast concrete pipe pile Download PDF

Info

Publication number
CN219137643U
CN219137643U CN202223095912.0U CN202223095912U CN219137643U CN 219137643 U CN219137643 U CN 219137643U CN 202223095912 U CN202223095912 U CN 202223095912U CN 219137643 U CN219137643 U CN 219137643U
Authority
CN
China
Prior art keywords
pipe pile
column
limiting
groove
connecting rod
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
Application number
CN202223095912.0U
Other languages
Chinese (zh)
Inventor
洪志滨
吴贵龙
卢达昆
薛飞飞
舒浩
曹旭韬
罗英鹏
涂俊鹤
蒋云彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Science And Industry Co ltd
Original Assignee
China Construction Science And Industry Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction Science And Industry Co ltd filed Critical China Construction Science And Industry Co ltd
Priority to CN202223095912.0U priority Critical patent/CN219137643U/en
Application granted granted Critical
Publication of CN219137643U publication Critical patent/CN219137643U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Piles And Underground Anchors (AREA)

Abstract

The application discloses precast concrete tubular pile includes: the device comprises a first tubular column, a second tubular column, a connecting structure and an elastic assembly; the second pipe column is detachably connected with the first pipe column, a groove is formed in the second pipe column, and a limit groove is formed in the side wall of the groove; the connecting structure is positioned in the groove, and comprises a fixing assembly, a connecting rod and a limiting assembly, wherein the upper end of the fixing assembly is connected with the first tubular column, and the fixing assembly, the connecting rod and the limiting assembly are hinged in sequence; one end of the limiting component, which is far away from the connecting rod, is clamped in the limiting groove, and the limiting component is in clearance fit with the limiting groove; one end of the elastic component is connected with the limiting component, the other end of the elastic component is connected with the connecting rod, and the elastic component has a telescopic function. The pre-support concrete pipe pile of the application is matched with the groove on the second pipe column through the connecting structure on the first pipe column, so that the pre-positioning between the first pipe column and the second pipe column is realized, and the second connection between the first pipe column and the second pipe column is facilitated.

Description

Precast concrete pipe pile
Technical Field
The application relates to the technical field of pile foundation construction, in particular to a precast concrete tubular pile.
Background
The pipe pile is a circular thin-wall hollow structure which is driven into the foundation and transmits load and upper structure weight into the foundation, and the pipe pile is divided into a post-tensioning method prestressed pipe pile and a pretensioning method prestressed pipe pile, a prestressed concrete thin-wall pipe pile and a high-strength prestressed concrete pipe pile.
The basic constitution unit of pile foundation in the building, it is in the in-process of using, need to drive first tubular pile underground earlier, and weld the lower extreme of second tubular pile and the lower extreme of first tubular pile, drive the second tubular pile underground again, until drive into underground with a plurality of tubular pile, in order to form the pile foundation structure that the degree of depth satisfies the requirement, in the correlation technique, the tubular pile is connected and is adopted steel sheet welding mostly, but welding quality is in place the controllability poor, there is hidden danger in welding seam quality, and welding operation is long-time, influence pile foundation construction progress, and welded position department also can rust through sleet weather for a long time, lead to the junction fracture, very big increase cracked risk.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the application proposes a precast concrete pipe pile, which can be assembled easily.
A precast concrete pipe pile according to an embodiment of the present application, comprising:
a first tubular string;
the second pipe column is detachably connected with the first pipe column, a groove is formed in the second pipe column, and a limit groove is formed in the side wall of the groove;
the connecting structure is positioned in the groove, and comprises a fixing assembly, a connecting rod and a limiting assembly, wherein the upper end of the fixing assembly is connected with the first tubular column, and the fixing assembly, the connecting rod and the limiting assembly are hinged in sequence; one end, far away from the connecting rod, of the limiting component is clamped in the limiting groove, and the limiting component is in clearance fit with the limiting groove;
the elastic component, the one end of elastic component with spacing subassembly is connected, the other end with the connecting rod is connected, elastic component has flexible function, just elastic component is used for supporting spacing subassembly, messenger spacing subassembly keep with spacing groove looks joint.
The precast concrete pipe pile according to the embodiment of the application has at least the following beneficial effects: the utility model provides a precast concrete tubular pile, when installing, at first with the vertical underground of driving into of second tubular column, keep a part of and first tubular column to be connected between the second tubular column upper end, hold vertical state after lifting first tubular column, with first tubular column and second tubular column terminal surface alignment, slowly descend with first tubular column, at the in-process that first tubular column descends, make the connection structure of first tubular column lower extreme aim at the recess of second tubular column, when connection structure's downwardly moving, because under the effect of elastic component, spacing subassembly will keep the level, and spacing subassembly's length is greater than the groove width of recess for spacing subassembly's both ends contact the inner wall of recess, spacing subassembly will rotate relative connecting rod, and the connecting rod also can rotate relatively fixed subassembly to, spacing subassembly rotates towards the direction that is close to fixed subassembly, and will be stretched at elastic component. When the one end that spacing subassembly kept away from the connecting rod removes to the position that corresponds the spacing groove, spacing subassembly and spacing groove butt joint, spacing subassembly's tip card goes into the spacing groove, and elastic component contracts for spacing subassembly, connecting rod keep water, and the gag lever post card goes into the inside of recess and carries out the first time fixedly. Secondly, the first pipe column and the second pipe column are further fixed through other connection modes, so that the first pipe column and the second pipe column are connected more stably.
According to some embodiments of the application, the pipe joint further comprises a mounting structure, the first pipe column and the second pipe column are detachably connected through the mounting structure, wherein the mounting structure comprises a mounting block, threaded holes and fastening bolts, the mounting block is arranged on the outer side of one of the first pipe column and the second pipe column, the threaded holes are correspondingly formed on the outer side of the other pipe column, and two ends of the fastening bolts are respectively in threaded connection with the mounting block and the threaded holes.
According to some embodiments of the application, the mounting block is disposed on the first pipe column, and the threaded hole is formed on the second pipe column.
According to some embodiments of the application, the mounting blocks comprise a plurality of mounting blocks, and the mounting blocks are distributed on the outer side of the first tubular column along the circumferential direction of the first tubular column.
According to some embodiments of the present application, the fixing assembly comprises a fixing rod, fang Kuaitou, wherein an upper end of the fixing rod is connected with the first tubular column, a lower end of the fixing rod is connected with the square head, and the square head is hinged with the connecting rod.
According to some embodiments of the present application, the limit assembly comprises a rectangular block and a limit rod, and the limit rod is hinged with the connecting rod through the rectangular block.
According to some embodiments of the present application, the elastic component includes an elastic component and a movable rod, the movable rod is close to the side of the connecting rod and hinged to the connecting rod, one end of the elastic component is connected with the limiting component, and the other end of the elastic component is connected with the end face of the movable rod.
According to some embodiments of the application, the elastic member is one of a spring, an elastic column, and a telescopic rod.
According to some embodiments of the present application, one of the fixing assemblies is correspondingly provided with two of the connecting rods and two of the limiting assemblies.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The application is further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a perspective view of a precast concrete pipe pile according to an embodiment of the present application;
fig. 2 is an exploded view of the precast concrete pipe pile shown in fig. 1;
FIG. 3 is a partial structural cross-sectional view of the precast concrete pipe pile shown in FIG. 1;
FIG. 4 is an enlarged view of FIG. 3 at A;
fig. 5 is an enlarged view at B in fig. 3.
Reference numerals:
a first tubular string 100;
the second tubular column 200, the groove 210 and the limit groove 211;
the connecting structure 300, the fixing component 310, the fixing rod 311, the square head 312, the connecting rod 321, the limiting component 330, the rectangular block 331 and the limiting rod 332;
an elastic component 410, an elastic piece 411 and a movable rod 412;
mounting structure 500, mounting block 501, screw hole 502, fastening bolt 503.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that references to orientation descriptions, such as directions of up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical solution.
In the description of the present application, a description with reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 5, a precast concrete pipe pile according to an embodiment of the present application includes:
a first tubular string 100;
the second pipe column 200 is detachably connected with the first pipe column 100, a groove 210 is formed in the second pipe column 200, and a limit groove 211 is formed in the side wall of the groove 210;
the connection structure 300, referring to fig. 3, the connection structure 300 is located in the groove 210, wherein, referring to fig. 4, the connection structure 300 includes a fixing component 310, a connecting rod 321, and a limiting component 330, the upper end of the fixing component 310 is connected with the first tubular column 100, and the fixing component 310, the connecting rod 321, and the limiting component 330 are hinged in sequence; one end of the limiting component 330, which is far away from the connecting rod 321, is clamped in the limiting groove 211, and the limiting component 330 is in clearance fit with the limiting groove 211;
referring to fig. 4, one end of the elastic component 410 is connected with the limiting component 330, the other end is connected with the connecting rod 321, the elastic component 410 has a telescopic function, and the elastic component 410 is used for supporting the limiting component 330, so that the limiting component 330 is clamped with the limiting groove 211.
It can be appreciated that, when the precast concrete pipe pile of the present application is installed, first, the second pipe column 200 is vertically driven into the ground, a part of the upper end of the second pipe column 200 is left to be connected with the first pipe column 100, the first pipe column 100 is kept in a vertical state after being lifted, the first pipe column 100 is aligned with the end face of the second pipe column 200, the first pipe column 100 is slowly lowered, the connection structure 300 at the lower end of the first pipe column 100 is aligned with the groove 210 of the second pipe column 200 in the process of lowering the first pipe column 100, when the connection structure 300 moves downwards, the limiting component 330 is kept horizontal due to the action of the elastic component 410, the length of the limiting component 330 is greater than the groove width of the groove 210, the two ends of the limiting component 330 are contacted with the inner wall of the groove 210, the limiting component 330 rotates relative to the connecting rod 321, and the connecting rod 321 rotates relative to the fixing component 310, so that the limiting component 330 rotates towards the direction close to the fixing component 310, and the elastic component 410 is stretched. When the end of the limiting component 330 away from the connecting rod 321 moves to the position corresponding to the limiting groove 211, referring to fig. 4, the limiting component 330 is in butt joint with the limiting groove 211, the end of the limiting component 330 is clamped into the limiting groove 211, the elastic component 410 contracts, so that the limiting component 330 and the connecting rod 321 keep water, and the limiting rod 332 is clamped into the groove 210 for first fixation. Second, the first string 100 and the second string 200 are further fixed by other connection methods, so that the connection between the first string 100 and the second string 200 is more stable.
It will be appreciated that the pre-support concrete pipe pile of the present application is engaged with the groove 210 of the second pipe string 200 through the connection structure 300 of the first pipe string 100, so as to achieve the pre-positioning between the first pipe string 100 and the second pipe string 200, so as to facilitate the connection between the first pipe string 100 and the second pipe string 200. And, the fastness between the first tubular column 100 and the second tubular column 200 is increased by the connection of the two times, and the first tubular column 100 and the second tubular column 200 are connected in the mode without welding the first tubular column 100 and the second tubular column 200, so that the construction period is shortened, and the construction efficiency is improved.
For above-mentioned accomplish spacing subassembly 330 and the direct butt joint back of spacing groove 211, the mode of further fixing of first tubular column 100 and second tubular column 200 is threaded connection, specifically, precast concrete tubular pile of this application still includes mounting structure 500, first tubular column 100 and second tubular column 200 pass through mounting structure 500 and dismantle the connection, wherein, mounting structure 500 includes installation piece 501, screw hole 502 and fastening bolt 503, the outside of one of first tubular column 100 and second tubular column 200 sets up installation piece 501, the outside of another corresponds and forms screw hole 502, the both ends of fastening bolt 503 threaded connection installation piece 501 and screw hole 502 respectively.
In this embodiment, referring to fig. 2, a mounting block 501 is provided to the first column 100, a screw hole 502 is formed to the second column 200, the lower end of the mounting block 501 protrudes from the lower end surface of the first column 100, and the protruding portion is provided corresponding to the screw hole 502, and a fastening bolt 503 penetrates the lower end of the mounting block 501 and the screw hole 502.
It will be appreciated that after the limiting assembly 330 is clamped into the limiting groove 211, the lower end of the mounting block 501 is arranged corresponding to the threaded hole 502, and then the fastening thread is screwed into the threaded hole 502 and the mounting block 501, so that the fastening bolt 503 penetrates through the mounting block 501 and the threaded hole 502, further connection between the first pipe column 100 and the second pipe column 200 is achieved, and the connection can be released between the first pipe column 100 and the second pipe column 200 by screwing out the fastening bolt 503, so that the first pipe column 100 and the second pipe column 200 can be detached.
Therefore, it will be further understood that, in the process of detaching the first and second pipe strings 100 and 200 from each other, contrary to the process of installing the first and second pipe strings 100 and 200 described above, i.e., after the connection of the first and second pipe strings 100 and 200 by the installation structure 500 is released, the first pipe string 100 is lifted, since the spacing assembly 330 is in clearance fit with the spacing groove 211, and the spacing assembly 330 rotates relative to the connecting rod 321 under the pulling action of the first pipe string 100, the connecting rod 321 rotates relative to the fixing assembly 310, so that the spacing assembly 330 is separated from the spacing groove 211, and at the same time, the elastic assembly 410 will stretch, and after the connection structure 300 is completely separated from the groove 210, the elastic assembly 410 is restored, thereby driving the spacing assembly 330 and the connecting rod 321 to be restored.
In other embodiments, the mounting block 501 may be provided on the second pipe string 200, and the screw hole 502 may be formed in the first pipe string 100.
In order to improve the connection effect of the first pipe string 100 and the second pipe string 200, specifically, referring to fig. 1 and 2, the installation block 501 includes a plurality of installation blocks 501 distributed on the outer side of the first pipe string 100 in the circumferential direction of the first pipe string 100. Correspondingly, the threaded holes 502 and the fastening bolts 503 also include a plurality of threaded holes 502, and the threaded holes 502 are distributed on the outer side of the second pipe string 200.
With reference to fig. 4, referring to a specific structure of the fixing assembly 310, the fixing assembly 310 includes a fixing rod 311 and a block head 312, an upper end of the fixing rod 311 is connected with the first pipe string 100, a lower end of the fixing rod 311 is connected with the block head 312, and the block head 312 is hinged with a connecting rod 321.
It will be appreciated that the securing lever 311 is hinged to the connecting lever 321 by means of a block head 312.
With reference to fig. 4, referring to a specific structure of the limiting assembly 330, the limiting assembly 330 includes a rectangular block 331 and a limiting rod 332, and the limiting rod 332 is hinged to the connecting rod 321 through the rectangular block 331.
It can be appreciated that the limiting rod 332 is configured to be clamped into the limiting groove 211, the limiting rod 332 is fixedly connected with the rectangular block 331, and one end of the rectangular block 331 away from the limiting rod 332 is hinged to the connecting rod 321.
With reference to fig. 5, referring to the specific structure of the elastic component 410, the elastic component 410 includes an elastic component 411 and a movable rod 412, wherein the side surface of the movable rod 412, which is close to the connecting rod 321, is hinged to the connecting rod 321, one end of the elastic component 411 is connected with the limiting component 330, and the other end is connected with the end surface of the movable rod 412.
It can be understood that the elastic member 411 has a telescopic function, and a right-angle triangle structure is formed between the elastic member 411 and the end surfaces of the connecting rod 321 and the rectangular block 331, where the elastic member 411 is connected with the end surfaces of the elastic member 411, so that the supporting and limiting rod 332 and the connecting rod 321 are kept horizontal, and the limiting rod 332 is kept clamped with the limiting slot 211. Moreover, since the elastic member 411 is hinged to the connecting rod 321 through the movable rod 412, the rotation occurs at the limiting rod 332 or the connecting rod 321, and the elastic member 411 stretches or contracts to enable the movable rod 412 to rotate adaptively, so that the rotation process of the limiting rod 332 or the connecting rod 321 is smoother.
In this embodiment, the elastic member 411 is one of a spring, an elastic column, and a telescopic rod. Specifically, the elastic member 411 is an elastic column.
According to some embodiments of the present application, referring to fig. 4, one fixing assembly 310 is correspondingly provided with two connecting rods 321 and two limiting assemblies 330.
Specifically, two connecting rods 321 are hinged to two sides of one square head 312, and each connecting rod 321 is in turn hinged to one limiting assembly 330.
The embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present application. Furthermore, embodiments of the present application and features of the embodiments may be combined with each other without conflict.

Claims (9)

1. Precast concrete tubular pile, its characterized in that includes:
a first tubular string;
the second pipe column is detachably connected with the first pipe column, a groove is formed in the second pipe column, and a limit groove is formed in the side wall of the groove;
the connecting structure is positioned in the groove, and comprises a fixing assembly, a connecting rod and a limiting assembly, wherein the upper end of the fixing assembly is connected with the first tubular column, and the fixing assembly, the connecting rod and the limiting assembly are hinged in sequence; one end, far away from the connecting rod, of the limiting component is clamped in the limiting groove, and the limiting component is in clearance fit with the limiting groove;
the elastic component, the one end of elastic component with spacing subassembly is connected, the other end with the connecting rod is connected, elastic component has flexible function, just elastic component is used for supporting spacing subassembly, messenger spacing subassembly keep with spacing groove looks joint.
2. The precast concrete pipe pile of claim 1, further comprising a mounting structure through which the first pipe pile and the second pipe pile are detachably connected, wherein the mounting structure comprises a mounting block, a threaded hole and a fastening bolt, the outer side of one of the first pipe pile and the second pipe pile is provided with the mounting block, the outer side of the other one of the first pipe pile and the second pipe pile is correspondingly provided with the threaded hole, and two ends of the fastening bolt are respectively in threaded connection with the mounting block and the threaded hole.
3. A precast concrete pipe pile according to claim 2 wherein the mounting block is provided on the first pipe column and the threaded bore is formed on the second pipe column.
4. A precast concrete pipe pile according to claim 3, wherein the mounting blocks comprise a plurality of mounting blocks, the mounting blocks being distributed on the outside of the first pipe column in the circumferential direction of the first pipe column.
5. A precast concrete pipe pile according to claim 1, wherein the fixing assembly comprises a fixing rod, fang Kuaitou, the upper end of the fixing rod is connected with the first pipe pile, the lower end of the fixing rod is connected with the square head, and the square head is hinged with the connecting rod.
6. A precast concrete pipe pile according to claim 1, wherein the limit assembly comprises a rectangular block and a limit rod, the limit rod being hinged to the connecting rod by the rectangular block.
7. A precast concrete pipe pile according to claim 1, wherein the elastic component comprises an elastic piece and a movable rod, the side surface of the movable rod, which is close to the connecting rod, is hinged with the connecting rod, one end of the elastic piece is connected with the limiting component, and the other end of the elastic piece is connected with the end surface of the movable rod.
8. The precast concrete pipe pile of claim 7, wherein the elastic member is one of a spring, an elastic column, and a telescopic rod.
9. A precast concrete pipe pile according to claim 1, wherein one of the fixing assemblies is provided with two of the connecting rods and two of the spacing assemblies, respectively.
CN202223095912.0U 2022-11-18 2022-11-18 Precast concrete pipe pile Active CN219137643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223095912.0U CN219137643U (en) 2022-11-18 2022-11-18 Precast concrete pipe pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223095912.0U CN219137643U (en) 2022-11-18 2022-11-18 Precast concrete pipe pile

Publications (1)

Publication Number Publication Date
CN219137643U true CN219137643U (en) 2023-06-06

Family

ID=86592412

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223095912.0U Active CN219137643U (en) 2022-11-18 2022-11-18 Precast concrete pipe pile

Country Status (1)

Country Link
CN (1) CN219137643U (en)

Similar Documents

Publication Publication Date Title
CN214531117U (en) Assembled steel construction house module connection structure
CN215487999U (en) A gallows device for pipeline is fixed
CN219137643U (en) Precast concrete pipe pile
CN209129220U (en) A kind of mounting structure for installation unit formula curtain wall
CN110607846A (en) Detachable assembly type beam column node
CN217027740U (en) Quick-mounting low-level prestress rigid frame beam
CN115772971A (en) Assembled building grout sleeve and grout system
CN214994728U (en) Steel structure beam column connecting structure
CN212026701U (en) Prefabricated shear wall horizontal connection structure with W-shaped joint
CN210917744U (en) Detachable assembly type beam column node
CN211114297U (en) Earthquake-resistant structure of GRC curtain wall board
CN212427500U (en) Assembled balcony
CN113846633A (en) Combined concrete pipe pile
CN209742342U (en) Climbing formula scaffold frame support increases subassembly
CN210949165U (en) Mud pump power transmission device
CN210597323U (en) Deep foundation pit supporting structure
CN107298391B (en) Tower crane attached wall structure and its construction method
CN219863488U (en) Assembled shear wall structure
CN219952768U (en) Leveling device suitable for assembled large-span prestressed hollow slab
CN219060899U (en) Aluminum alloy template diagonal bracing fixing system
CN221524246U (en) Template support frame
CN218713948U (en) Need not welded quick installation formula steel structure support
CN221072998U (en) Building beam column connection structure
CN219825239U (en) Prestressed anchorage cable with disconnect-type direction cap
CN213653841U (en) Assembled building shear wall structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant