CN111648470A - Connecting device and connecting method for prefabricated concrete frame beam anchoring plate - Google Patents
Connecting device and connecting method for prefabricated concrete frame beam anchoring plate Download PDFInfo
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- CN111648470A CN111648470A CN202010536004.7A CN202010536004A CN111648470A CN 111648470 A CN111648470 A CN 111648470A CN 202010536004 A CN202010536004 A CN 202010536004A CN 111648470 A CN111648470 A CN 111648470A
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- precast
- precast beam
- steel bar
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a connecting device and a connecting method for prefabricated and assembled concrete frame beam anchoring plates, which comprise a first prefabricated beam, a second prefabricated beam, a prefabricated column and reinforcing steel bar anchoring plates, wherein the first prefabricated beam and the second prefabricated beam are horizontal and positioned at the top end of the prefabricated column, the extending ends of reinforcing steel bars at the opposite ends of the first prefabricated beam and the second prefabricated beam are provided with the reinforcing steel bar anchoring plates, the two reinforcing steel bar anchoring plates are connected and fixed through a locking mechanism, the reinforcing steel bars of the first precast beam and the second precast beam are connected by the reinforcing steel bar anchoring plate matching with the bolt, the length of the reinforcing steel bars of the anchoring plate is shortened, the anchoring effect can be improved by adjusting the nut, the collision of the stressed longitudinal bar of the middle node frame beam is avoided, the anchoring of the reinforcing steel bar is effectively ensured, the method is simple in construction and reliable in connection, the field construction of the prefabricated concrete frame structure is greatly simplified, and the development and application of building industrialization in China are effectively promoted.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a connecting device and a connecting method for an anchoring plate of a prefabricated concrete frame beam.
Background
The prefabricated concrete structure has the advantages of easy quality control, high construction speed, improvement of construction site environment, capability of enabling the concrete to reach higher strength so as to reduce the self weight of the structure and the like, and the development of the prefabricated concrete structure conforms to the current national conditions of China.
The existing common prefabricated concrete joint connection mode in China is wet connection, the wet connection is mainly characterized in that concrete connection is poured on site at a connection part, the key technology of the wet connection is to ensure that stressed longitudinal bars in a prefabricated concrete beam are effectively anchored into a post-cast joint or reliably connected with reinforcing bars on the opposite side of the joint, in order to shorten the anchoring length of the reinforcing bars, an anchoring plate structure form is adopted, but the defect that the reinforcing bars on the two sides of the joint are collided by overhanging longitudinal bars is still existed, so that a connecting device and a connecting method of the prefabricated concrete frame beam anchoring plate are urgently needed to solve the problems.
Disclosure of Invention
The invention provides a connecting device and a connecting method for prefabricated concrete frame beam anchoring plates, which utilize reinforcing steel bar anchoring plates with grooves symmetrically formed in two sides and are inserted into the grooves through bolts, the reinforcing steel bar anchoring plates on the two sides of a connecting node shorten the length of reinforcing steel bars of the anchoring plates, the collision of stressed longitudinal bars of a middle node frame beam is avoided, and the anchoring of the reinforcing steel bars is effectively ensured.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a connecting device of prefabricated assembly concrete frame roof beam anchor board, includes first precast beam, second precast beam and precast column, first precast beam and second precast beam are coaxial, and the level is located precast column top, a plurality of reinforcing bars are all installed to the relative one end of first precast beam and second precast beam, and reinforcing bar one end is pre-buried inside first precast beam or the second precast beam, the reinforcing bar other end stretches out first precast beam or the second precast beam tip, just reinforcing bar stretches out the end and installs reinforcing bar anchor board, first precast beam reinforcing bar anchor board and second precast beam reinforcing bar anchor board is in same water flat line, and two the reinforcing bar anchor board passes through locking mechanism and links to each other fixedly.
Preferably, the first precast beam and the second precast beam are both superposed beams, the upper parts of the first precast beam and the second precast beam are provided with post-pouring layers which are both arranged above the precast column, and the extending joints are 10-20 mm.
Preferably, the length of the steel bar extending out of the first precast beam or the second precast beam is less than half of the width of the precast column minus 50 cm.
Preferably, the outer part of the extending end of the reinforcing steel bar is provided with a thread, and the extending end of the reinforcing steel bar is meshed and connected with a screw hole matched with the center of the reinforcing steel bar anchoring plate through the thread.
Preferably, the locking mechanism comprises a bolt and a nut, two grooves are symmetrically formed in two sides of the steel bar anchoring plate, two ends of the bolt are inserted into the grooves corresponding to the two steel bar anchoring plates, and two ends of the bolt are locked and fixed through the nut.
Preferably, the groove of the steel bar anchoring plate is inwards recessed, one surface of the nut is outwards raised, and the raised surface of the nut is clamped with the recessed surface of the groove.
A connecting method of a connecting device for precast assembled concrete frame beam anchoring plates comprises the following steps:
s1, when the precast beams are precast, the ends of the steel bars at the two precast beam ends are screwed into the steel bar anchoring plates;
s2, hoisting the precast beam after the precast column hoisting construction is completed, temporarily supporting the lower part of the precast beam, aligning the steel bar anchoring plates of the precast beams at two ends of the top surface node of the precast column after the precast beam is hoisted in place, then installing a connecting bolt, inserting the bolt into the grooves of the pair of steel bar anchoring plates, and fixing the bolt by rotating a nut at the extending end;
and S3, arranging the first precast beam and the second precast beam into a laminated slab support, matching slab surface steel bars, pouring concrete, and pouring concrete in the node area to complete the construction of a layer of beam slab and the node.
Preferably, in step S3, the strength level of the concrete cast in the node region is higher than that of the concrete cast in the remaining positions.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use, the reinforcing steel bar anchoring plate is arranged between the first precast beam and the second precast beam, the reinforcing steel bars of the first precast beam and the second precast beam are connected by the action of the grooves on the two sides of the reinforcing steel bar anchoring plate and the bolts, the length of the reinforcing steel bars of the anchoring plate is shortened, the anchoring effect can be improved by adjusting the nuts, the collision of stressed longitudinal bars of the middle node frame beam is avoided, and the anchoring of the reinforcing steel bars is effectively ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of a precast concrete framework of the present invention;
fig. 2 is a front view of the precast assembled concrete frame of the present invention;
FIG. 3 is a schematic view of the structure of the connecting means of the anchoring plate of the present invention;
FIG. 4 is a schematic structural view of the steel reinforcing plate of the present invention;
reference numbers in the figures: 1. a first precast beam; 2. a second precast beam; 3. prefabricating a column; 4. reinforcing steel bars; 5. reinforcing steel bar anchoring plates; 6. a groove; 7. a bolt; 8. and a nut.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, a connecting device for prefabricated concrete frame beam anchor plates comprises a first prefabricated beam 1, a second prefabricated beam 2 and a prefabricated column 3, wherein the first prefabricated beam 1 and the second prefabricated beam 2 are coaxial and horizontally arranged at the top end of the prefabricated column 3, a plurality of reinforcing steel bars 4 are respectively arranged at the opposite ends of the first prefabricated beam 1 and the second prefabricated beam 2, one end of each reinforcing steel bar 4 is embedded in the first prefabricated beam 1 or the second prefabricated beam 2, the other end of each reinforcing steel bar 4 extends out of the end part of the first prefabricated beam 1 or the second prefabricated beam 2, a reinforcing steel bar anchor plate 5 is arranged at the extending end of each reinforcing steel bar 4, the reinforcing steel bar anchor plates 5 of the first prefabricated beam 1 and the reinforcing steel bar anchor plates 5 of the second prefabricated beam 2 are positioned on the same horizontal line, the two reinforcing steel bar anchor plates 5 are connected and fixed through a locking mechanism, the locking mechanism is used for connecting and fixing the two reinforcing steel bar anchor plates 5, wherein the first prefabricated beam 1 and the second prefabricated beam 2, and the upper parts of the first precast beam 1 and the second precast beam 2 are provided with post-pouring layers which are both arranged above the precast column 3, and the extending joints are 10-20mm, so that the connection quality of the first precast beam 1 and the second precast beam 2 and the precast column 3 is ensured.
Specifically, the length of the steel bar 4 extending out of the first precast beam 1 or the second precast beam 2 is less than half of the width of the precast column 3 and then reduced by 50cm, the length of the steel bar of the anchoring plate is shortened, and the collision of the stressed longitudinal bar of the middle node frame beam is avoided.
Preferably, reinforcing bar 4 stretches out the end and is equipped with the screw thread outward, and reinforcing bar 4 stretches out the end and is connected through the screw meshing that screw thread and reinforcing bar anchor board 5 center are supporting, conveniently installs reinforcing bar anchor board 5 and reinforcing bar 4 tip, and the construction is simpler.
As shown in fig. 4, the locking mechanism includes a bolt 4 and a nut 5, two sides of two steel bar anchoring plates 5 are symmetrically provided with grooves 6, two ends of the bolt 4 are inserted into the corresponding grooves 6 of the two steel bar anchoring plates 5, and two ends of the bolt 4 are locked and fixed by the nut 5, and the two bolts 4 are inserted into the symmetrical grooves 6 of the two sides of the steel bar anchoring plates 5 to connect and fix the two steel bar anchoring plates, so as to ensure the anchoring of the steel bars, and the two-way steel bars have no influence on each other, when installing, only the tightness of the nut 5 and the bolt 4 needs to be adjusted, so as to adjust the connection effect of the two steel bar anchoring plates 5, the operation is simple, and the whole anti-seismic performance of the connection type frame structure is better, wherein the grooves 6 of the steel bar anchoring plates 5 are recessed inwards, one surface of the nut 5 is protruded outwards, and the protruded surface of the nut 5 is, the stability of the device connection is improved.
A connecting method of a connecting device for precast assembled concrete frame beam anchoring plates comprises the following steps:
s1, when precast beams are precast, the ends of the steel bars 4 at the two precast beam ends are screwed into the steel bar anchoring plates 5;
in this step, 4 one ends of reinforcing bar are pre-buried inside precast beam, and in this embodiment, 4 one ends of reinforcing bar are pre-buried inside first precast beam 1 or second precast beam 2, and 4 other ends of reinforcing bar stretch out and link to each other with reinforcing bar anchor plate 5 through the screw thread.
S2, hoisting the precast beam after the precast column hoisting construction is completed, temporarily supporting the lower part of the precast beam, aligning the steel bar anchoring plates 5 of the precast beams at two ends of the top surface node of the precast column after the precast beam is hoisted in place, then installing a connecting bolt 4, inserting the bolt 4 into the grooves 6 of the pair of steel bar anchoring plates 5, and rotating the nut 5 at the extending end of the bolt 4 for fixing;
in this step, the grooves 6 of the two steel bar anchoring plates 5 are aligned, so that the two bolts 4 are respectively clamped into the symmetrical grooves 6 at two sides of the steel bar anchoring plates 5, the two sides of the steel bar anchoring plates 5 are ensured to be stressed the same, and the fixing bolts 4 are adjusted through the rotating nuts 5.
And S3, arranging the first precast beam 1 and the second precast beam 2 into a laminated slab support, matching slab surface steel bars, pouring concrete, and pouring concrete in a node area to finish one layer of beam slab construction and node construction.
In the step, the strength grade of the concrete poured in the node area is higher than that of the concrete poured in other positions, so that the node connection is more stable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a connecting device of prefabricated assembly concrete frame roof beam anchor plate, includes first precast beam (1), second precast beam (2) and precast column (3), first precast beam (1) and second precast beam (2) are coaxial, and the level is located precast column (3) top, its characterized in that: a plurality of reinforcing bars (4) are all installed to the relative one end of first precast beam (1) and second precast beam (2), and reinforcing bar (4) one end is pre-buried inside first precast beam (1) or second precast beam (2), and reinforcing bar (4) other end stretches out first precast beam (1) or second precast beam (2) tip, just reinforcing bar (4) stretch out the end and install reinforcing bar anchor plate (5), first precast beam (1) reinforcing bar anchor plate (5) and second precast beam (2) reinforcing bar anchor plate (5) are in same water flat line, and two reinforcing bar anchor plate (5) link to each other fixedly through locking mechanism.
2. A connecting device for precast assembled concrete frame beam anchor plates according to claim 1, wherein: the first precast beam (1) and the second precast beam (2) are both superposed beams, and the upper parts of the first precast beam (1) and the second precast beam (2) are provided with post-cast layers which are both placed above the precast column (3) and extend into the node by 10-20 mm.
3. A connecting device for precast assembled concrete frame beam anchor plates according to claim 1, wherein: the length of the steel bar (4) extending out of the first precast beam (1) or the second precast beam (2) is less than half of the width of the precast column (3) minus 50 cm.
4. A connecting device for precast assembled concrete frame beam anchor plates according to claim 1, wherein: the outer end of the steel bar (4) extending out is provided with a thread, and the end of the steel bar (4) extending out is meshed and connected with a screw hole matched with the center of the steel bar anchoring plate (5) through the thread.
5. A connecting device for precast assembled concrete frame beam anchor plates according to claim 1, wherein: locking mechanism includes bolt (4) and nut (5), two recess (6) have been seted up to reinforcing bar anchor board (5) both sides equal symmetry, and bolt (4) both ends insert two inside recess (6) that reinforcing bar anchor board (5) correspond, just bolt (4) both ends are all fixed through nut (5) locking.
6. A connecting device for precast assembled concrete frame beam anchor plates according to claim 5, wherein: the steel bar anchoring plate is characterized in that the groove (6) of the steel bar anchoring plate (5) is inwards concave, one surface of the nut (5) is outwards convex, and the convex surface of the nut (5) is clamped with the concave surface of the groove (6).
7. A method of connecting a precast assembled concrete frame beam anchoring plate connecting apparatus according to any one of claims 1 to 6, comprising the steps of:
s1, when precast beams are precast, the ends of the steel bars (4) at the two precast beam ends are screwed into the steel bar anchoring plates (5);
s2, hoisting the precast beam after the precast column hoisting construction is completed, temporarily supporting the lower part of the precast beam, aligning the steel bar anchoring plates (5) of the precast beams at two ends of the top surface node of the precast column after the precast beam is hoisted in place, then installing a connecting bolt (4), inserting the bolt (4) into the grooves (6) of the pair of steel bar anchoring plates (5), and fixing the bolt (4) by extending an end rotating nut (5);
and S3, arranging the first precast beam (1) and the second precast beam (2) into a laminated slab support, matching slab surface steel bars, then pouring concrete, and pouring concrete in a node area to finish one layer of beam slab construction and node construction.
8. A method of connecting a precast assembled concrete frame beam anchoring plate connecting apparatus according to claim 7, wherein: in step S3, the node region cast concrete has a higher strength level than the concrete cast at the remaining positions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010536004.7A CN111648470A (en) | 2020-06-12 | 2020-06-12 | Connecting device and connecting method for prefabricated concrete frame beam anchoring plate |
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| CN202010536004.7A CN111648470A (en) | 2020-06-12 | 2020-06-12 | Connecting device and connecting method for prefabricated concrete frame beam anchoring plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359966A (en) * | 2020-10-27 | 2021-02-12 | 广州地铁设计研究院股份有限公司 | Connecting joint of superposed beam and concrete column and construction method thereof |
| CN115288368A (en) * | 2022-08-31 | 2022-11-04 | 华北水利水电大学 | Mixed structure steel bar connecting node and using method thereof |
| CN115404992A (en) * | 2022-08-11 | 2022-11-29 | 三能集成房屋股份有限公司 | Modular building |
| CN117947878A (en) * | 2024-01-19 | 2024-04-30 | 湖北嘉美宜居绿色建筑材料有限公司 | Beam column node connection structure of prefabricated building and construction method |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074493A (en) * | 1975-10-15 | 1978-02-21 | Ccl Systems Limited | Connecting reinforcing bars in an access hole |
| JP2001303666A (en) * | 2000-04-24 | 2001-10-31 | Kajima Corp | Joint section structure between reinforced concrete column and steel frame beam |
| KR20060000492A (en) * | 2004-06-29 | 2006-01-06 | 우림건설 주식회사 | Joint structure of precast concrete beam and column unit |
| CN101250908A (en) * | 2008-03-21 | 2008-08-27 | 扬州大学 | Open and close type differ-yield-point steel reinforced concrete elastic dissipation energy hinge |
| CN201151614Y (en) * | 2007-12-10 | 2008-11-19 | 渤海船舶重工有限责任公司 | Clamp for turning steel plates over |
| CN102267206A (en) * | 2011-07-11 | 2011-12-07 | 李超 | Pressure beam for lacing bar type vulcanizing machine |
| CN102733486A (en) * | 2012-06-26 | 2012-10-17 | 上海市建筑科学研究院(集团)有限公司 | High-efficiency ductile node for prefabrication assembly concrete frame |
| CN104652422A (en) * | 2014-12-28 | 2015-05-27 | 上海市机械施工集团有限公司 | Device and method for connecting reinforcing bars of pile foundation reinforcing cage |
| US9267287B1 (en) * | 2014-01-22 | 2016-02-23 | Steven James Bongiorno | Pre-fabricated threaded bar assemblies |
| CN105442760A (en) * | 2015-11-19 | 2016-03-30 | 北京建筑大学 | Steel bar connection mode used for connection among prefabricated reinforced concrete members |
| CN106894523A (en) * | 2017-05-03 | 2017-06-27 | 河南科技大学 | A kind of connecting node of rectangular steel-tube concrete column and girder with rolled steel section en cased in concrete |
| CN107254912A (en) * | 2017-07-11 | 2017-10-17 | 应义淼 | A kind of prefabricated concrete structure connection method |
| CN107675799A (en) * | 2017-10-23 | 2018-02-09 | 武汉理工大学 | A kind of prefabricated concrete structure and construction method |
| CN108252422A (en) * | 2018-03-19 | 2018-07-06 | 上海市城市建设设计研究总院（集团）有限公司 | Intersect mutual anchor prefabricated components connection structure |
| CN108678189A (en) * | 2018-07-16 | 2018-10-19 | 西安建筑科技大学 | Viscoplasticity energy consumption connecting key and assembled composite wall structure and construction method based on it |
| CN108775114A (en) * | 2018-07-09 | 2018-11-09 | 东南大学 | The prefabrication and assembly construction beam column built from concrete connection structure and method of steel concrete supporting |
| CN208650258U (en) * | 2018-06-27 | 2019-03-26 | 西安理工大学 | A kind of outer hoop assembled connecting node for the light steel increasing layer mixed structure of RC- |
| CN209179329U (en) * | 2018-10-12 | 2019-07-30 | 天津城建大学 | A kind of new reinforcing steel bar connection structure convenient for reinforcing bar connection |
| CN110453779A (en) * | 2019-08-22 | 2019-11-15 | 常州工学院 | It is moved outside a kind of cast-in-place area and exempts from formwork assembled integral node and its construction method |
| CN110485561A (en) * | 2019-07-15 | 2019-11-22 | 武汉理工大学 | A kind of bolt connection node and its construction method of adjustable prefabricated components length |
| CN209703838U (en) * | 2018-12-25 | 2019-11-29 | 天津城建大学 | Steel bar connecting structure between reinforcing bar connector and precast concrete |
| CN110670720A (en) * | 2019-09-26 | 2020-01-10 | 中民筑友科技产业有限公司 | Connecting structure of prefabricated column and superposed beam and construction method thereof |
| CN110842861A (en) * | 2019-10-30 | 2020-02-28 | 北京航星机器制造有限公司 | Grooving lock nut assembly and disassembly tools |
| CN210562131U (en) * | 2019-09-02 | 2020-05-19 | 江阴市隆烽预制构件有限公司 | Prestressed concrete solid square pile |
| CN111637453A (en) * | 2020-06-30 | 2020-09-08 | 无锡华光环保能源集团股份有限公司 | Sealing structure between heat-insulation slag discharge pipe and air distribution plate |
-
2020
- 2020-06-12 CN CN202010536004.7A patent/CN111648470A/en active Pending
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074493A (en) * | 1975-10-15 | 1978-02-21 | Ccl Systems Limited | Connecting reinforcing bars in an access hole |
| JP2001303666A (en) * | 2000-04-24 | 2001-10-31 | Kajima Corp | Joint section structure between reinforced concrete column and steel frame beam |
| KR20060000492A (en) * | 2004-06-29 | 2006-01-06 | 우림건설 주식회사 | Joint structure of precast concrete beam and column unit |
| CN201151614Y (en) * | 2007-12-10 | 2008-11-19 | 渤海船舶重工有限责任公司 | Clamp for turning steel plates over |
| CN101250908A (en) * | 2008-03-21 | 2008-08-27 | 扬州大学 | Open and close type differ-yield-point steel reinforced concrete elastic dissipation energy hinge |
| CN102267206A (en) * | 2011-07-11 | 2011-12-07 | 李超 | Pressure beam for lacing bar type vulcanizing machine |
| CN102733486A (en) * | 2012-06-26 | 2012-10-17 | 上海市建筑科学研究院(集团)有限公司 | High-efficiency ductile node for prefabrication assembly concrete frame |
| US9267287B1 (en) * | 2014-01-22 | 2016-02-23 | Steven James Bongiorno | Pre-fabricated threaded bar assemblies |
| CN104652422A (en) * | 2014-12-28 | 2015-05-27 | 上海市机械施工集团有限公司 | Device and method for connecting reinforcing bars of pile foundation reinforcing cage |
| CN105442760A (en) * | 2015-11-19 | 2016-03-30 | 北京建筑大学 | Steel bar connection mode used for connection among prefabricated reinforced concrete members |
| CN106894523A (en) * | 2017-05-03 | 2017-06-27 | 河南科技大学 | A kind of connecting node of rectangular steel-tube concrete column and girder with rolled steel section en cased in concrete |
| CN107254912A (en) * | 2017-07-11 | 2017-10-17 | 应义淼 | A kind of prefabricated concrete structure connection method |
| CN107675799A (en) * | 2017-10-23 | 2018-02-09 | 武汉理工大学 | A kind of prefabricated concrete structure and construction method |
| CN108252422A (en) * | 2018-03-19 | 2018-07-06 | 上海市城市建设设计研究总院（集团）有限公司 | Intersect mutual anchor prefabricated components connection structure |
| CN208650258U (en) * | 2018-06-27 | 2019-03-26 | 西安理工大学 | A kind of outer hoop assembled connecting node for the light steel increasing layer mixed structure of RC- |
| CN108775114A (en) * | 2018-07-09 | 2018-11-09 | 东南大学 | The prefabrication and assembly construction beam column built from concrete connection structure and method of steel concrete supporting |
| CN108678189A (en) * | 2018-07-16 | 2018-10-19 | 西安建筑科技大学 | Viscoplasticity energy consumption connecting key and assembled composite wall structure and construction method based on it |
| CN209179329U (en) * | 2018-10-12 | 2019-07-30 | 天津城建大学 | A kind of new reinforcing steel bar connection structure convenient for reinforcing bar connection |
| CN209703838U (en) * | 2018-12-25 | 2019-11-29 | 天津城建大学 | Steel bar connecting structure between reinforcing bar connector and precast concrete |
| CN110485561A (en) * | 2019-07-15 | 2019-11-22 | 武汉理工大学 | A kind of bolt connection node and its construction method of adjustable prefabricated components length |
| CN110453779A (en) * | 2019-08-22 | 2019-11-15 | 常州工学院 | It is moved outside a kind of cast-in-place area and exempts from formwork assembled integral node and its construction method |
| CN210562131U (en) * | 2019-09-02 | 2020-05-19 | 江阴市隆烽预制构件有限公司 | Prestressed concrete solid square pile |
| CN110670720A (en) * | 2019-09-26 | 2020-01-10 | 中民筑友科技产业有限公司 | Connecting structure of prefabricated column and superposed beam and construction method thereof |
| CN110842861A (en) * | 2019-10-30 | 2020-02-28 | 北京航星机器制造有限公司 | Grooving lock nut assembly and disassembly tools |
| CN111637453A (en) * | 2020-06-30 | 2020-09-08 | 无锡华光环保能源集团股份有限公司 | Sealing structure between heat-insulation slag discharge pipe and air distribution plate |
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| CN115404992A (en) * | 2022-08-11 | 2022-11-29 | 三能集成房屋股份有限公司 | Modular building |
| CN115404992B (en) * | 2022-08-11 | 2023-09-19 | 三能集成房屋股份有限公司 | Modularized building |
| CN115288368A (en) * | 2022-08-31 | 2022-11-04 | 华北水利水电大学 | Mixed structure steel bar connecting node and using method thereof |
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