CN112081142A - Connecting joint and connecting node - Google Patents
Connecting joint and connecting node Download PDFInfo
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- CN112081142A CN112081142A CN202010800890.XA CN202010800890A CN112081142A CN 112081142 A CN112081142 A CN 112081142A CN 202010800890 A CN202010800890 A CN 202010800890A CN 112081142 A CN112081142 A CN 112081142A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a connecting joint and a connecting node, wherein the connecting joint comprises: the side wall of the first groove part is provided with a first groove, and the width of an opening of the first groove is smaller than that in the first groove; the side wall of the second groove part is provided with a second groove which is transversely penetrated, the width of an opening of the second groove is smaller than that of the second groove, and the inserting and fixing connecting piece comprises a first inserting and fixing part, a second inserting and fixing part and a connecting part; after the first groove piece is abutted to the second groove piece, the first inserting and fixing portion and the second inserting and fixing portion of the inserting and fixing connecting piece are respectively inserted into the first groove and the second groove. According to the connecting joint, the first groove piece and the second groove piece are connected and fixed through the inserting and fixing connecting piece, the structural integrity is good, the connection is firm, the connection is more rapid by adopting the mode, and the construction period is shortened conveniently.
Description
Technical Field
The invention belongs to the technical field of building structures, and particularly relates to a connecting joint and a connecting node.
Background
The assembled subway station has become one of the important development directions of urban rail transit construction in China by virtue of the advantages of short construction period, low labor demand, low environmental pollution and the like. The connection node of the assembly type component is the important factor in the research of the assembly type station, the node has to be stressed clearly, transfer force is reliable, construction is convenient and fast, quality is controllable, and meanwhile, the requirements of the subway station on the bearing capacity, durability and ductility of the component are required to be met. At present, the assembly type structure connecting joint mainly comprises the following six types:
1) and (3) a cast-in-place connector, wherein stressed steel bars are reserved at the connector for cast-in-place connection, and the node pouring is carried out after the assembly is finished. Although the reliability is high, the cast-in-place connecting node has low assembly degree, and is a structural form between cast-in-place and assembly.
2) The construction quality of the grouting sleeve joint and the grouting sleeve connection joint is difficult to control, and no perfect grouting detection technology exists at present. The requirement on the hoisting and positioning accuracy is too high, the current application range is small, and the development prospect is limited.
3) The bolt joint has simple structure and definite stress; but the bolt hole weakens the section of the structural member and is easy to cause stress concentration. The bolt connection needs to be operated on site, the site construction share is large, and the construction quality is difficult to control.
4) The steel structure welding structure joint has the advantages of complex process and complex welding work, is more used for an overground structure, and is difficult to popularize in an underground structure.
5) The tongue-and-groove type connects, and the tongue-and-groove type connects sets up tongue-and-groove and tenon, the grout hole of interlock each other respectively in concrete prefabricated section department. Although the tongue-and-groove type joint is convenient to connect, the joint is low in reliability, small in overall rigidity and prone to rotating and misplacing under a complex stress state.
The existing connecting joints have some defects, so that a new connecting joint is needed, the force transmission reliability after the prefabricated vertical components of the assembled station are connected is ensured, the construction is convenient and fast, and the quality is controllable.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a connecting joint and a connecting node, which have the advantages of high node rigidity, convenience in construction and controllable quality.
The invention adopts the following technical scheme:
a connection fitting, comprising:
the side wall of the first groove part is provided with a first groove which is transversely penetrated, the width of an opening of the first groove is smaller than that in the first groove, and a first abutting plane is arranged at the opening of the first groove;
a second groove piece, wherein a second groove which is transversely penetrated through is arranged on the side wall of the second groove piece, the width of an opening of the second groove is smaller than the width in the second groove, and a second abutting plane which is used for abutting against the first abutting plane is arranged at the opening of the second groove;
the inserting and fixing connecting piece comprises a first inserting and fixing part with the cross section matched with the shape of the first groove, a second inserting and fixing part with the cross section matched with the shape of the second groove and a connecting part, wherein the two ends of the connecting part are respectively connected with the first inserting and fixing part and the second inserting and fixing part;
after the first groove piece is abutted to the second groove piece, the first inserting and fixing part and the second inserting and fixing part of the inserting and fixing connecting piece are respectively inserted into the first groove and the second groove.
As a further improvement of the technical solution of the present invention, the first groove and/or the second groove is a C-shaped groove.
As a further improvement of the technical scheme of the invention, the cross section of the plug-in connecting piece is in an I shape.
The invention also provides a connecting node, which comprises a first prefabricated part, a second prefabricated part and the connecting joint;
the first groove piece is pre-buried and fixed at the lower end of the first prefabricated part, and an opening of the first groove is arranged downwards;
the second groove piece is pre-buried and fixed at the upper end of the second prefabricated part, and an opening of the second groove is arranged upwards and corresponds to the position of the first notch;
after the first prefabricated part and the second prefabricated part are vertically butted, a first inserting and fixing part and a second inserting and fixing part of the inserting and fixing connecting piece are respectively inserted into the first groove and the second groove and fixedly poured with the first groove piece and the second groove piece;
and the first prefabricated component and the second prefabricated component are fixedly connected at the butt joint gap in a pouring manner.
As a further improvement of the technical solution of the present invention, a longitudinal first stress rib is embedded in the first prefabricated component, and a lower end of the first stress rib is fixedly connected to the first channel member.
As a further improvement of the technical scheme of the invention, a longitudinal second stress rib is embedded in the second prefabricated part, and the upper end of the second stress rib is fixedly connected with the second groove piece.
As a further improvement of the technical scheme of the invention, a first pouring pipe is embedded in the first prefabricated part, one end of the first pouring pipe is communicated with the butt joint gap, and the other end of the first pouring pipe is arranged on the side wall of the first prefabricated part.
As a further improvement of the technical scheme of the invention, a second pouring pipe is embedded in the second prefabricated component, one end of the second pouring pipe is communicated with the butt joint gap, and the other end of the second pouring pipe is arranged on the side wall of the second prefabricated component.
As a further improvement of the technical scheme of the invention, the side wall of the first prefabricated part/the second prefabricated part is provided with a slurry outlet communicated with the butt joint gap, and the side wall of the first prefabricated part/the second prefabricated part further comprises a sealing element for plugging the slurry outlet.
As a further improvement of the technical scheme of the invention, the sealing element is a rubber grout stopping strip.
Compared with the prior art, the invention has the beneficial effects that:
1. in the connecting joint, the first groove piece and the second groove piece are connected and fixed through the inserting and fixing connecting piece, and the openings of the first groove and the second groove are smaller than the width of the groove, so that the inserting and fixing connecting piece cannot be separated after being inserted, the structural integrity is better, the connection is firm, and the connecting joint is more rapid and convenient to shorten the construction period by adopting the mode for connection;
2. in the connecting joint, the first prefabricated part and the second prefabricated part are connected and fixed through the connecting joint, the rigidity of the connecting part is greatly improved compared with other connecting forms after connection, and the anti-seismic bearing capacity of the connecting joint is close to that of a cast-in-place structure; all components can be prefabricated in a factory, the size is accurate, the maintenance condition is stable, the quality controllability is high, only hoisting and pouring are needed on site, the construction period is short, and the requirement on construction labor force is low.
Drawings
The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description below:
FIG. 1 is a schematic view of the overall construction of the connection joint of the present invention;
FIG. 2 is an exploded view of the connection joint of the present invention;
FIG. 3 is a cross-sectional view of the connection node of the present invention;
fig. 4 is a schematic view of the connection joint of the present invention connected to a first tendon and a second tendon.
Reference numerals:
100-a connection joint; 110-a first channel member; 111-a first groove; 112-a first abutment plane; 120-a second channel member; 121-a second groove; 122-a second abutment plane; 130-plug-in connectors; 131-a first plug-in part; 132-a second plug-in part; 133-a connecting portion;
200-a connection node; 210-a first prefabricated component; 211-first stress tendon; 212-a first casting tube; 220-a second prefabricated element; 221-a second stress rib; 222-a second casting tube; 230-docking a gap; 240-rubber grout stopping strips; 250-positioning pin.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
Example 1:
referring to fig. 1 and 2, a connector fitting 100 includes a first channel 111, a second channel 121, a member 120, and a bayonet coupling 130.
A first groove 111 which penetrates through the first groove 111 in the transverse direction is formed in the side wall of the first groove 111, the width of an opening of the first groove 111 is smaller than the width of the first groove 111, and a first abutting plane 112 is arranged at the opening of the first groove 111. The first groove 111 is elongated, and the first groove 111 is provided to penetrate along the longitudinal direction thereof, and has through holes formed on the left and right end surfaces thereof, the through holes having the cross-sectional shape of the first groove 111. The opening of the first groove 111 is located at the lower end surface of the first groove 111 and the opening is small, and the plug-in connector 130 cannot be pulled out from the opening after being inserted from the transverse through hole.
Similarly, a second groove 121 is transversely penetrated through the side wall of the second groove 121, the width of the opening of the second groove 121 is smaller than the width in the second groove 121, and a second abutting plane 122 for abutting against the first abutting plane 112 is arranged at the opening of the second groove 121. The second groove 121 is also elongated, and the second groove 121 is provided to penetrate along the longitudinal direction thereof, and has through holes formed on the left and right end surfaces thereof, the through holes having the shape of the cross section of the second groove 121. The opening of the second groove 121 is located at the upper end face of the second groove 121 and the opening is small, and the plug-in connector 130 cannot be pulled out from the opening after being inserted from the transverse through hole.
The plug-in connector 130 is also elongated, and the lengths of the first groove 111, the second groove 121, the piece 120 and the plug-in connector 130 are equal or slightly different. The insertion-fixing connector 130 includes a first insertion-fixing portion 131 having a cross section matched with the shape of the first groove 111, a second insertion-fixing portion 132 having a cross section matched with the shape of the second groove 121, and a connecting portion 133 having two ends respectively connected to the first insertion-fixing portion 131 and the second insertion-fixing portion 132. That is, the insertion and fixation connecting member 130 can be inserted into the first groove 111 and the second groove 121 from the holes of the left and right end faces.
After the first groove 111 and the second groove 121 abut against the first groove 111 and the second groove 110 and the second groove 120, the first insertion fixing portion 131 and the second insertion fixing portion 132 of the insertion connection member 130 are respectively inserted into the first groove 111 and the second groove 121. After the inserting and fixing connector 130 is inserted into the first groove 111 and the second groove 121, the inserting and fixing connector 130 cannot be pulled out from the openings of the two grooves, so that the first groove 111 and the second groove 121 are fixed between the pieces 110 and 120 through the inserting and fixing connector 130. Therefore, the first grooves 111 and the second grooves 121 and 120 can be fixed to two members, respectively, so that the two members are connected and fixed together by the present connection joint 100.
Specifically, the first groove 111 and/or the second groove 121 are C-shaped grooves, and correspondingly, the cross section of the insertion and fastening connector 130 is an i-shaped groove, and after the two C-shaped grooves are butted, a i-shaped groove is formed, and then the i-shaped insertion and fastening connector 130 is inserted into the i-shaped groove to fix the first groove 111 and the second groove 121 to each other, namely the piece 120.
It should be noted that the first groove 111, the second groove 121, and the insertion connection member 130 are all made of steel.
Based on the above structure, in the connection joint 100 of the present invention, the insertion and fixation connecting piece 130 connects and fixes the first groove 111 piece 110 and the second groove 121 piece 120, and since the openings of the first groove 111 and the second groove 121 are both smaller than the width of the groove, the insertion and fixation connecting piece 130 will not fall off after being inserted, the structural integrity is good, the connection is ensured to be firm, and the connection is performed in this way, which is faster and facilitates the reduction of the construction period.
Example 2:
referring to fig. 1 to 4, a connection node 200 includes a first prefabricated component 210, a second prefabricated component 220, and further includes the connection joint 100 according to embodiment 1.
The first grooves 111 and 110 are pre-buried and fixed at the lower end of the first prefabricated part 210, and the opening of the first groove 111 faces downward, that is, when the first prefabricated part 210 is prefabricated, the first grooves 111 and 110 are fixed at the lower end of the prefabricated part in advance, and the first prefabricated part 210 is an upper part in implementation.
Similarly, the second groove 121 120 is pre-embedded and fixed at the upper end of the second prefabricated component 220, and the opening of the second groove 121 faces upward and corresponds to the position of the opening of the first groove 111. Namely, the second prefabricated component 220 is prefabricated, the second groove 121 piece 120 is fixed on the upper end of the prefabricated component in advance, the second prefabricated component 220 is a lower component in implementation, and the position of the second groove 121 piece 120 corresponds to the position of the first groove 111 piece 110, so that the two prefabricated components can be fixed through the inserting and fixing connecting piece 130 after being butted in subsequent construction.
After the first prefabricated part 210 and the second prefabricated part 220 are butted up and down, the first insertion fixing portion 131 and the second insertion fixing portion 132 of the insertion and fixation connecting member 130 are respectively inserted into the first groove 111 and the second groove 121 and are fixedly cast with the first groove 111 and the second groove 121, after the insertion and fixation connecting member 130 is inserted into the first groove 111 and the second groove 121, the first prefabricated part 210 and the second prefabricated part 220 are primarily fixed, in order to ensure the connection rigidity and avoid relative displacement between the insertion and fixation connecting member 130 and the first groove 111 and the second groove 121, the insertion and fixation connecting member 130 and the first groove 111 and the second groove 121 are fixedly cast. Specifically, after the insertion fastening connector 130 is inserted, high-strength cement is poured into the gap, so that the insertion fastening connector 130 is fixed to the first groove 111 and the second groove 121 by pouring. When the inserting and fixing connector 130 is inserted, high strength cement may be injected into the formed cavity, and then the inserting and fixing connector 130 may be inserted.
In addition, the first prefabricated component 210 and the second prefabricated component 220 are fixedly connected at the butt joint gap 230 by pouring, so that the gap between the first prefabricated component 210 and the second prefabricated component 220 is filled, and the strength of the connection is ensured.
The first prefabricated part 210 and the second prefabricated part 220 have tooth-shaped structures for positioning in up-and-down butt joint, and a positioning pin 250 is further arranged for positioning to ensure that the butt joint is not staggered. Specifically, the first and second prefabricated parts 210 and 220 are provided with tapered holes, and both ends of the positioning pin 250 are tapered and inserted into the tapered holes, respectively.
Based on the structure, in the connection node 200, the first prefabricated part 210 and the second prefabricated part 220 are connected and fixed through the connection joint 100, the rigidity of the connection position is greatly improved compared with other connection forms after connection, and the anti-seismic bearing capacity is similar to that of a cast-in-place structure; all components can be prefabricated in a factory, the size is accurate, the maintenance condition is stable, the quality controllability is high, only hoisting and pouring are needed on site, the construction period is short, and the requirement on construction labor force is low.
Specifically, a longitudinal first stress rib 211 is embedded in the first prefabricated component 210, the lower end of the first stress rib 211 is fixedly welded to the first grooves 111, 110, so as to ensure that the first prefabricated component 210 is firmly connected to the first grooves 111, 110, and the first stress rib 211 is provided in plurality and arranged side by side, and each of the first stress ribs is welded to the first grooves 111, 110.
Similarly, a second longitudinal stress rib 221 is embedded in the second prefabricated component 220, the upper end of the second stress rib 221 is fixedly connected with the second groove 121 piece 120 in a welding mode, and a plurality of second stress ribs 221 are arranged side by side and are welded with the second groove 121 piece 120.
In order to facilitate pouring after butt joint, a first pouring pipe 212 is embedded in the first prefabricated component 210, one end of the first pouring pipe 212 is communicated with the butt joint gap 230, the other end of the first pouring pipe is arranged on the side wall of the first prefabricated component 210, and grouting and fixing can be performed through a port on the side wall and the butt joint gap 230.
Optionally, a second casting pipe 222 is embedded in the second prefabricated component 220, one end of the second casting pipe 222 is disposed to be communicated with the butt joint gap 230, and the other end of the second casting pipe 222 is disposed on a side wall of the second prefabricated component 220, and similarly, grouting and fixing can be performed through a port on the side wall to the butt joint gap 230.
The side walls of the first prefabricated part 210/the second prefabricated part 220 are provided with slurry outlet holes communicated with the butt joint gap 230, and the side walls of the first prefabricated part 210/the second prefabricated part 220 further comprise sealing elements for plugging the slurry outlet holes, the sealing elements are rubber slurry stop strips 240, and when grouting is performed, after the gaps are filled with slurry, redundant slurry can be discharged from the slurry outlet holes and then is plugged by the sealing elements.
Other contents of the connection joint and the connection node described in the present invention are referred to in the prior art, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A connection fitting, comprising:
the side wall of the first groove part is provided with a first groove which is transversely penetrated, the width of an opening of the first groove is smaller than that in the first groove, and a first abutting plane is arranged at the opening of the first groove;
a second groove piece, wherein a second groove which is transversely penetrated through is arranged on the side wall of the second groove piece, the width of an opening of the second groove is smaller than the width in the second groove, and a second abutting plane which is used for abutting against the first abutting plane is arranged at the opening of the second groove;
the inserting and fixing connecting piece comprises a first inserting and fixing part with the cross section matched with the shape of the first groove, a second inserting and fixing part with the cross section matched with the shape of the second groove and a connecting part, wherein the two ends of the connecting part are respectively connected with the first inserting and fixing part and the second inserting and fixing part;
after the first groove piece is abutted to the second groove piece, the first inserting and fixing part and the second inserting and fixing part of the inserting and fixing connecting piece are respectively inserted into the first groove and the second groove.
2. The connection joint according to claim 1, wherein: the first groove and/or the second groove are C-shaped grooves.
3. The connection joint according to claim 2, wherein: the section of the inserting and fixing connecting piece is in an I shape.
4. A connecting node, characterized by: comprising a first prefabricated part, a second prefabricated part, and further comprising a connection joint according to any one of claims 1 to 3;
the first groove piece is pre-buried and fixed at the lower end of the first prefabricated part, and an opening of the first groove is arranged downwards;
the second groove piece is pre-buried and fixed at the upper end of the second prefabricated part, and an opening of the second groove is arranged upwards and corresponds to the position of the first notch;
after the first prefabricated part and the second prefabricated part are vertically butted, a first inserting and fixing part and a second inserting and fixing part of the inserting and fixing connecting piece are respectively inserted into the first groove and the second groove and fixedly poured with the first groove piece and the second groove piece;
and the first prefabricated component and the second prefabricated component are fixedly connected at the butt joint gap in a pouring manner.
5. The connection node of claim 4, wherein: and a longitudinal first stress rib is embedded in the first prefabricated part, and the lower end of the first stress rib is fixedly connected with the first groove piece.
6. The connection node of claim 4, wherein: and a longitudinal second stress rib is embedded in the second prefabricated part, and the upper end of the second stress rib is fixedly connected with the second groove piece.
7. The connection node of claim 4, wherein: a first pouring pipe is pre-embedded in the first prefabricated part, one end of the first pouring pipe is communicated with the butt joint gap, and the other end of the first pouring pipe is arranged on the side wall of the first prefabricated part.
8. The connection node of claim 4, wherein: and a second pouring pipe is pre-embedded in the second prefabricated part, one end of the second pouring pipe is communicated with the butt joint gap, and the other end of the second pouring pipe is arranged on the side wall of the second prefabricated part.
9. The connection node of claim 4, wherein: and the side wall of the first prefabricated part/the second prefabricated part is provided with a slurry outlet communicated with the butt joint gap, and the side wall of the first prefabricated part/the second prefabricated part further comprises a sealing element for plugging the slurry outlet.
10. The connection node according to claim 9, characterized in that: the sealing element is a rubber grout stopping strip.
Priority Applications (1)
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CN202010800890.XA CN112081142A (en) | 2020-08-11 | 2020-08-11 | Connecting joint and connecting node |
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CN202010800890.XA CN112081142A (en) | 2020-08-11 | 2020-08-11 | Connecting joint and connecting node |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022099876A1 (en) * | 2020-11-13 | 2022-05-19 | 广州地铁设计研究院股份有限公司 | Fabricated subway station and construction method therefor |
CN114687444A (en) * | 2022-05-07 | 2022-07-01 | 浙江大学 | I-shaped steel rear-inserting type connecting method for connecting prefabricated concrete structures |
CN114941320A (en) * | 2022-05-07 | 2022-08-26 | 浙江大学 | Prefabricated concrete square pile connecting method based on I-shaped steel rear insertion method |
CN115434361A (en) * | 2022-09-15 | 2022-12-06 | 深圳市市政设计研究院有限公司 | Prefabricated component connecting joint and assembled station |
US11926982B2 (en) | 2020-11-13 | 2024-03-12 | Guangzhou Metro Design & Research Institute Co., Ltd. | Assembled subway station and construction method thereof |
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CN103572840A (en) * | 2012-08-05 | 2014-02-12 | 初明进 | Notch-key type prefabricated member connection node and connection method |
CN107687213A (en) * | 2017-10-16 | 2018-02-13 | 华东建筑设计研究院有限公司 | A kind of assembly concrete wall connecting node apparatus and construction method |
CN207553315U (en) * | 2017-12-01 | 2018-06-29 | 三一筑工科技有限公司 | Prefabricated components articulated mounting and prefabricated components |
CN210797894U (en) * | 2019-09-10 | 2020-06-19 | 中冶建筑研究总院(深圳)有限公司 | Prefabricated built-in concrete structure's connected node |
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Patent Citations (4)
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CN103572840A (en) * | 2012-08-05 | 2014-02-12 | 初明进 | Notch-key type prefabricated member connection node and connection method |
CN107687213A (en) * | 2017-10-16 | 2018-02-13 | 华东建筑设计研究院有限公司 | A kind of assembly concrete wall connecting node apparatus and construction method |
CN207553315U (en) * | 2017-12-01 | 2018-06-29 | 三一筑工科技有限公司 | Prefabricated components articulated mounting and prefabricated components |
CN210797894U (en) * | 2019-09-10 | 2020-06-19 | 中冶建筑研究总院(深圳)有限公司 | Prefabricated built-in concrete structure's connected node |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022099876A1 (en) * | 2020-11-13 | 2022-05-19 | 广州地铁设计研究院股份有限公司 | Fabricated subway station and construction method therefor |
US11926982B2 (en) | 2020-11-13 | 2024-03-12 | Guangzhou Metro Design & Research Institute Co., Ltd. | Assembled subway station and construction method thereof |
CN114687444A (en) * | 2022-05-07 | 2022-07-01 | 浙江大学 | I-shaped steel rear-inserting type connecting method for connecting prefabricated concrete structures |
CN114941320A (en) * | 2022-05-07 | 2022-08-26 | 浙江大学 | Prefabricated concrete square pile connecting method based on I-shaped steel rear insertion method |
CN115434361A (en) * | 2022-09-15 | 2022-12-06 | 深圳市市政设计研究院有限公司 | Prefabricated component connecting joint and assembled station |
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Application publication date: 20201215 |
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