CN113235732A - Construction method of prefabricated conversion beam and prefabricated column connection node on beam and connection point structure of prefabricated conversion beam and prefabricated column connection node - Google Patents
Construction method of prefabricated conversion beam and prefabricated column connection node on beam and connection point structure of prefabricated conversion beam and prefabricated column connection node Download PDFInfo
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- CN113235732A CN113235732A CN202110560429.6A CN202110560429A CN113235732A CN 113235732 A CN113235732 A CN 113235732A CN 202110560429 A CN202110560429 A CN 202110560429A CN 113235732 A CN113235732 A CN 113235732A
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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
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- 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
- E04C5/165—Coaxial connection by means of sleeves
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Abstract
The invention discloses a construction method for connecting joints of prefabricated transfer beams and prefabricated columns on the beams and a connecting point structure thereof, wherein the construction method comprises the following steps: arranging an internal hollow structure on a precast column on a beam, and pouring and filling the internal hollow structure through cast-in-place reinforced concrete; embedding a first anchoring reinforcement cage and a second anchoring reinforcement cage in the prefabricated conversion beam at the position where the prefabricated conversion beam is connected with the prefabricated column on the beam, connecting the first anchoring reinforcement cage with the prefabricated concrete of the prefabricated column on the beam, and connecting the second anchoring reinforcement cage with the cast-in-place concrete of the prefabricated column on the beam; embedding a grouting sleeve in the precast concrete at the bottom of the precast column on the beam, and connecting one end of the grouting sleeve with the column longitudinal steel bar in the precast column on the beam; the semi-dry type connecting node can ensure the bearing capacity of the node and the structural safety and stability of the node.
Description
Technical Field
The invention belongs to the technical field of node connection design construction of an assembly type concrete building, and relates to a construction method of a connection node of a prefabricated conversion beam and a prefabricated column on the beam and a connection point structure of the connection node.
Background
The assembly type building is developed rapidly in recent years, transformation and upgrading are carried out in the building industries of all parts, and the two-assembly type building is a main development direction. At present, in the fabricated building, the frame structure and the shear wall structure are two structural forms which are constructed by using the fabricated technology at most, but the application of the frame structure and the shear wall structure is less in other structural forms, for example, in a conversion structure of a frame support structure, the fabricated technology is also a direction which needs technology to follow. The conversion beam is the most adopted structural component in the conversion structure, along with the continuous development of the assembly type technology, the prefabricated conversion beam is more and more emphasized, the prefabricated conversion beam is connected with the prefabricated columns on the cross beam, the conversion beam is prefabricated, the columns on the beam are also prefabricated, and a node connection mode is designed and realized, so that the technical problem which needs to be solved is achieved, and the development of the assembly type technology is actively promoted.
Disclosure of Invention
The invention aims to provide a construction method of a prefabricated conversion beam and a prefabricated column connection node on the beam and a connection point structure thereof, which aim to solve the following problems required to be solved in the prior art: the prefabricated conversion beam is connected with the prefabricated columns on the cross beam, the conversion beam is prefabricated, the columns on the cross beam are also prefabricated, and a node connection mode is designed and realized, so that the active promotion effect on the development of the assembly type technology is promoted.
The invention provides a construction method of a prefabricated conversion beam and a prefabricated column connection node on the beam, which comprises the following steps,
arranging an internal hollow structure on a precast column on a beam, and pouring and filling the internal hollow structure through cast-in-place reinforced concrete;
embedding a first anchoring reinforcement cage and a second anchoring reinforcement cage in the prefabricated conversion beam at the position where the prefabricated conversion beam is connected with the prefabricated column on the beam, connecting the first anchoring reinforcement cage with the prefabricated concrete of the prefabricated column on the beam, and connecting the second anchoring reinforcement cage with the cast-in-place concrete of the prefabricated column on the beam;
and (3) pre-embedding a grouting sleeve in the precast concrete at the bottom of the precast column on the beam, and connecting one end of the grouting sleeve with the column longitudinal steel bar in the precast column on the beam.
Further, a concrete reinforcement cage is cast in place in the cast-in-place concrete embedded column; before the column is prefabricated on the beam, the cast-in-place concrete steel bar cage in the column in the cast-in-place concrete in the column prefabricated on the beam is connected with the second anchoring steel bar cage before the second anchoring steel bar cage is connected with the cast-in-place concrete of the column prefabricated on the beam.
Further, a groove is reserved on the surface of the prefabricated conversion beam.
And further, before the column is prefabricated on the hoisting beam, coating base slurry in the groove on the prefabricated conversion beam.
Further, the side surface of the groove is provided with an inclined surface.
Furthermore, the bottom surface and the side surface of the groove are both rough surfaces.
Further, the inner wall surface of the inner hollow structure of the precast column on the beam is set to be a rough surface.
Further, pass through straight thread muffjoint with second anchor steel reinforcement cage with cast in situ concrete steel reinforcement cage in the post.
Furthermore, the vertical steel bars of the first anchoring steel bar cage and the second anchoring steel bar cage extend outwards for a preset length.
Further, the preset lengths of the two adjacent first anchoring steel reinforcement cages extending outwards are set to be equal; the preset lengths of the two adjacent second anchoring steel reinforcement cages extending outwards are set to be unequal, namely, a length difference value is arranged between the preset lengths of the two adjacent second anchoring steel reinforcement cages extending outwards.
And further, after the prefabricated conversion beam and the prefabricated columns on the beam are installed, filling building weather-resistant sealant in gaps at the roots of the prefabricated columns on the beam.
The invention also provides a connection point structure obtained by construction of the construction method for the connection node of the prefabricated conversion beam and the prefabricated column on the beam, wherein the connection point structure comprises the prefabricated conversion beam and the prefabricated column on the beam, an internal hollow structure is arranged in the prefabricated column on the beam, and cast-in-place reinforced concrete is poured and filled in the internal hollow structure; a first anchoring reinforcement cage and a second anchoring reinforcement cage are embedded in the prefabricated conversion beam at the position where the prefabricated conversion beam is connected with the prefabricated column on the beam, the first anchoring reinforcement cage is connected with the prefabricated concrete of the prefabricated column on the beam, and the second anchoring reinforcement cage is connected with the cast-in-place concrete of the prefabricated column on the beam; and grouting sleeves are pre-embedded in the precast concrete at the bottoms of the precast columns on the beams, and one ends of the grouting sleeves are connected with longitudinal steel bars in the columns in the precast columns on the beams.
Furthermore, a cast-in-place concrete reinforcement cage in the column is pre-embedded in the cast-in-place concrete; and the cast-in-place concrete reinforcement cage in the column in the cast-in-place concrete in the prefabricated column on the beam is connected with the second anchoring reinforcement cage.
Furthermore, a groove is reserved on the surface of the prefabricated conversion beam.
Further, seat slurry is coated in the grooves on the prefabricated transfer beams.
Furthermore, the side surface of the groove is an inclined surface.
Furthermore, the bottom surface and the side surface of the groove are rough surfaces.
Further, the inner wall surface of the inner hollow structure of the precast column on the beam is a rough surface.
Further, the cast-in-place concrete reinforcement cage in the column is connected with the second anchoring reinforcement cage through a straight thread sleeve.
Furthermore, the vertical steel bars of the first anchoring steel bar cage and the second anchoring steel bar cage extend outwards for a preset length.
Furthermore, the preset lengths of the two adjacent first anchoring steel reinforcement cages extending outwards are equal; the preset lengths of the two adjacent second anchoring steel reinforcement cages extending outwards are not equal, namely, a length difference value is formed between the preset lengths of the two adjacent second anchoring steel reinforcement cages extending outwards.
Furthermore, building weather-resistant sealant is filled in gaps at the roots of the prefabricated columns on the beam.
The invention can achieve the following beneficial effects:
the construction method of the prefabricated conversion beam and the prefabricated column connection node on the beam and the connection point structure thereof are realized through a semi-dry type connection node, the prefabricated column on the beam connected with the prefabricated conversion beam is designed to be hollow, the peripheral side wall of the column adopts a prefabrication mode, the prefabricated column is connected with the prefabricated conversion beam through a grouting sleeve, and the hollow part in the column is plugged in a post-cast reinforced concrete mode; the cast-in-place conversion node connection can be smoothly transited from the cast-in-place conversion node connection to the prefabricated conversion node connection, and the bearing capacity of the node and the structural safety and stability of the node can be well guaranteed; the connecting structure solves the problem of node connection between the prefabricated transfer beam and the prefabricated columns on the beam, and plays a positive role in promoting the development of the assembly type technology; the connecting points of the semi-dry type connecting node belong to semi-dry type connecting nodes, and compared with a completely dry type connecting mode, the bearing capacity of the node and the structural safety and stability of the node can be well guaranteed.
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 invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a connection node between a prefabricated transfer beam and a prefabricated column on the beam.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic view of a precast transfer beam.
Fig. 4 is a top view of a precast transfer beam.
Fig. 5 is a schematic view of a precast column on a beam.
Fig. 6 is a cross-sectional view taken along line B-B in fig. 5.
Fig. 7 is a schematic view of a cast-in-place concrete reinforcement cage in a column.
FIG. 8 is a top view of a cast-in-place concrete reinforcement cage in a column.
In the figure: the prefabricated conversion beam comprises a prefabricated conversion beam 1, a prefabricated column 2 on the beam, a first anchoring reinforcement cage 3, a second anchoring reinforcement cage 4, a grouting sleeve 5, longitudinal reinforcements in the column 6, cast-in-place concrete reinforcement cages in the column 7, a seat slurry 8, a straight thread sleeve 9 and a building weather-resistant sealant 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
In actual construction, the construction method of the prefabricated transfer beam and the prefabricated column connection node on the beam can specifically comprise the following steps:
according to the requirement of the structural bearing capacity, the specification and the number of the required steel bars are calculated by the prefabricated transfer beam 1 and the prefabricated columns 2 on the beam according to the design of the steel bar anchoring connection structure;
arranging a groove on the surface of the prefabricated transfer beam 1 at the joint of the prefabricated transfer beam 1 and the prefabricated column 2 on the beam;
the precast column 2 on the beam is set as a precast hollow column, and the inner hollow part of the precast hollow column is poured and filled in a cast-in-place reinforced concrete mode;
when the prefabricated conversion beam 1 is produced, the anchoring connecting steel bars are processed and pre-embedded in the prefabricated conversion beam 1 in advance, a first anchoring steel bar cage 3 and a second anchoring steel bar cage 4 are pre-embedded in the prefabricated conversion beam 1 at the position where the prefabricated conversion beam 1 is connected with the prefabricated column 2 on the beam, the first anchoring steel bar cage 3 is connected with the prefabricated concrete of the prefabricated column 2 on the beam, and the vertical steel bars of the first anchoring steel bar cage 3 extend outwards for the same preset length; connecting the second anchoring reinforcement cage 3 with cast-in-place concrete of the prefabricated column 2 on the beam, extending the vertical reinforcements of the second anchoring reinforcement cage 4 outwards by a preset length, and setting the values of the preset lengths of the vertical reinforcements of two adjacent second anchoring reinforcement cages 4 which extend outwards to be unequal; specifically, the first anchoring reinforcement cage 3 is positioned outside the second anchoring reinforcement cage 4, and the lengths of the vertical reinforcements of the first anchoring reinforcement cage 3 extending outwards and connected with the grouting sleeves 5 in the precast columns 2 on the beam are set to be equal; the length of the vertical steel bar which is connected with the cast-in-place concrete steel bar through the straight thread sleeve 9 in the precast column 2 on the beam and extends outwards is set to be unequal. Like this, first anchor steel reinforcement cage 3 is owing to be connected with grout sleeve 5, and its vertical reinforcing bar stretches out length and equals can satisfy the connection structure demand. Second anchor steel reinforcement cage 4 is connected through straight thread sleeve 9, and its vertical reinforcing bar stretches out the length inequality, then when prefabricated post 2 destroys on the roof beam, avoids the disconnection position to be located same plane, but when making a plane position disconnection, other position planes keep connecting, avoid prefabricated post 2 directly to destroy and lose the connection on the roof beam to improve the security.
Pre-embedding a grouting sleeve 5 in the precast concrete around the bottom of the precast column 2 on the beam, wherein one end of the grouting sleeve 5 is connected with a column longitudinal steel bar 6 in the precast column 2 on the beam;
before the prefabricated column 2 on the beam is hoisted and installed, the in-column cast-in-place concrete reinforcement cage 7 in the cast-in-place concrete in the prefabricated column 2 on the beam is connected with the second anchoring reinforcement cage 4; the method comprises the following steps that firstly, cast-in-place concrete steel bars in precast columns 2 on the beam and pre-buried anchoring steel bars in a precast transfer beam 1 are inserted into a straight thread sleeve 9 to be connected through the straight thread sleeve 9, and then a layer of base slurry 8 is coated in a reserved groove of the precast transfer beam 1; the prefabricated column 2 on the beam is connected with the prefabricated transfer beam 1.
Can furtherly, the recess degree of depth H that 1 surface of prefabricated transfer beam was reserved sets up to 20cm, sets up the recess edge all around into the inclined plane, and the incline direction on inclined plane can be for inclining to the outside from lower to upper, and the slope of inclined plane can be 45, and can all set up bottom surface in the recess and lateral wall surface into the mat surface, and the unsmooth degree of depth of mat surface can be not less than 5 mm.
Further, the precast column 2 on the beam is set to be a precast hollow column, the cross section of the internal hollow structure is set to be square or circular, the inner wall surface of the internal hollow structure is set to be a rough surface, the concave-convex depth of the rough surface is set to be not less than 5mm, and the in-column cast-in-place concrete reinforcement cage 7 in the in-column cast-in-place concrete reinforcement cage in the internal hollow structure is connected with the second anchoring reinforcement cage 4 through the straight thread sleeve 9. Wherein, the concave-convex depth refers to the maximum distance between the convex part and the concave part of the rough surface.
And further, after the prefabricated conversion beam 1 and the prefabricated column 2 on the beam are installed, pouring concrete into the prefabricated column 2 on the prefabricated hollow beam, dismantling the temporary support after the concrete in the prefabricated column 2 on the beam is cured, filling the building weather-resistant sealant 10 into the gap at the root part of the prefabricated column 2 on the beam, and completing the connection of the prefabricated conversion beam 1 and the prefabricated column 2 on the beam.
Example 2
Referring to fig. 1 to 8, in the construction method of the prefabricated transfer beam-on-beam prefabricated column connection node in embodiment 1, the prefabricated transfer beam-on-beam prefabricated column connection node structure obtained by construction comprises a prefabricated transfer beam 1 and a prefabricated column-on-beam 2, an internal hollow structure is arranged in the prefabricated column-on-beam 2, and cast-in-place reinforced concrete is poured and filled in the internal hollow structure; a first anchoring reinforcement cage 3 and a second anchoring reinforcement cage 4 are embedded in the prefabricated conversion beam 1 at the position where the prefabricated conversion beam is connected with the prefabricated column 2 on the beam, the first anchoring reinforcement cage 3 is connected with the prefabricated concrete of the prefabricated column 2 on the beam, and the second anchoring reinforcement cage 4 is connected with the cast-in-place concrete of the prefabricated column 2 on the beam; grout sleeve 5 is pre-buried in the precast concrete of precast column 2 bottom on the roof beam, and grout sleeve 5 one end is connected with the interior longitudinal reinforcement 6 of post in the precast column 2 on the roof beam.
Further, a column cast-in-place concrete reinforcement cage 7 is pre-embedded in the cast-in-place concrete; and a cast-in-place concrete reinforcement cage 7 in the column in the cast-in-place concrete in the precast column 2 on the beam is connected with the second anchoring reinforcement cage 4.
Further, a groove is reserved on the surface of the prefabricated transfer beam 1.
Further, seat slurry 8 is coated in the groove on the prefabricated transfer beam 1.
Furthermore, the side surface of the groove is an inclined surface.
Furthermore, the bottom surface and the side surface of the groove are rough surfaces.
Further, the inner wall surface of the inner hollow structure of the precast column 2 on the beam is a rough surface.
Referring to fig. 7 and 8, further, the in-column cast-in-place concrete reinforcement cage 7 is connected with the second anchoring reinforcement cage 4 by a straight threaded sleeve 9.
Referring to fig. 3, further, the vertical reinforcements of the first anchoring reinforcement cage 3 and the second anchoring reinforcement cage 4 extend outward by a predetermined length.
Further, the preset lengths of the two adjacent first anchoring reinforcement cages 3 extending outwards are equal; the preset lengths of the two adjacent second anchoring reinforcement cages 4 extending outwards are not equal, that is, the length difference exists between the preset lengths of the two adjacent second anchoring reinforcement cages 4 extending outwards.
Further, the gap at the root of the precast column 2 on the beam is filled with building weather-resistant sealant 10.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The construction method of the prefabricated conversion beam and the prefabricated column connecting joint on the beam is characterized by comprising the following steps,
arranging an internal hollow structure on the precast column (2) on the beam, and pouring and filling the internal hollow structure through cast-in-place reinforced concrete;
pre-burying a first anchoring reinforcement cage (3) and a second anchoring reinforcement cage (4) in the prefabricated conversion beam (1) at the position where the prefabricated conversion beam is connected with the prefabricated column (2) on the beam, connecting the first anchoring reinforcement cage (3) with the prefabricated concrete of the prefabricated column (2) on the beam, and connecting the second anchoring reinforcement cage (4) with the cast-in-place concrete of the prefabricated column (2) on the beam;
and (3) pre-burying a grouting sleeve (5) in the precast concrete at the bottom of the precast column (2) on the beam, and connecting one end of the grouting sleeve (5) with a column longitudinal steel bar (6) in the precast column (2) on the beam.
2. The construction method of the prefabricated transfer beam and precast column connection node on the beam according to claim 1, characterized in that a cast-in-place concrete reinforcement cage (7) is cast in the cast-in-place concrete embedded column; before the prefabricated column (2) on the beam is installed and before the second anchoring reinforcement cage (4) is connected with the cast-in-place concrete of the prefabricated column (2) on the beam, the cast-in-place concrete reinforcement cage (7) in the cast-in-place concrete in the prefabricated column (2) on the beam is connected with the second anchoring reinforcement cage (4).
3. The construction method of the prefabricated transfer beam and the prefabricated column connecting joint on the beam as claimed in claim 1, wherein a groove is reserved on the surface of the prefabricated transfer beam (1); and before the column (2) is prefabricated on the hoisting beam, coating base slurry (8) in the groove on the prefabricated conversion beam (1).
4. The construction method of the prefabricated conversion beam and the prefabricated column connection node on the beam according to claim 1, wherein the cast-in-place concrete reinforcement cage (7) in the column is connected with the second anchoring reinforcement cage (4) through a straight thread sleeve (9); extending the vertical steel bars of the first anchoring steel bar cage (3) and the second anchoring steel bar cage (4) outwards by a preset length; the preset lengths of the two adjacent first anchoring reinforcement cages (3) extending outwards are set to be equal; and setting the preset lengths of the two adjacent second anchoring reinforcement cages (4) extending outwards to be unequal.
5. The construction method of the prefabricated transfer beam-to-beam prefabricated column connection node as claimed in claim 1, wherein after the prefabricated transfer beam (1) and the prefabricated column (2) on the beam are installed, the gap at the root of the prefabricated column (2) on the beam is filled with the building weather-resistant sealant (10).
6. The prefabricated transfer beam and precast column connection node construction method of any one of claims 1 to 5, wherein the connection point structure comprises a prefabricated transfer beam (1) and a precast column (2), and is characterized in that an internal hollow structure is arranged in the precast column (2) and cast-in-place reinforced concrete is poured and filled in the internal hollow structure; a first anchoring reinforcement cage (3) and a second anchoring reinforcement cage (4) are embedded in the prefabricated conversion beam (1) and at the position where the prefabricated conversion beam is connected with the prefabricated column (2) on the beam, the first anchoring reinforcement cage (3) is connected with the prefabricated concrete of the prefabricated column (2) on the beam, and the second anchoring reinforcement cage (4) is connected with the cast-in-place concrete of the prefabricated column (2) on the beam; grout sleeve (5) are pre-buried in the precast concrete of precast column (2) bottom on the roof beam, and grout sleeve (5) one end is connected with the interior longitudinal reinforcement (6) of post in precast column (2) on the roof beam.
7. The connecting point structure constructed by the construction method of the connecting joint of the precast transfer beam and the precast column on the beam according to claim 6, wherein a cast-in-place concrete reinforcement cage (7) in the column is pre-embedded in the cast-in-place concrete; and a cast-in-place concrete reinforcement cage (7) in the column in the cast-in-place concrete in the precast column (2) on the beam is connected with the second anchoring reinforcement cage (4).
8. The prefabricated transfer beam and beam prefabricated column connecting node construction method as claimed in claim 6, wherein a groove is reserved on the surface of the prefabricated transfer beam (1); and base slurry (8) is coated in the groove on the prefabricated transfer beam (1).
9. The connecting point structure constructed by the construction method of the connecting joint of the precast transfer beam and the precast column on the beam according to claim 6, wherein the cast-in-place concrete reinforcement cage (7) in the column is connected with the second anchoring reinforcement cage (4) through a straight thread sleeve (9); vertical steel bars of the first anchoring steel bar cage (3) and the second anchoring steel bar cage (4) extend outwards for a preset length; the preset lengths of the two adjacent first anchoring reinforcement cages (3) extending outwards are equal; the preset lengths of the two adjacent second anchoring reinforcement cages (4) extending outwards are not equal.
10. The connecting point structure constructed by the construction method of the connecting joint of the precast transfer beam and the precast column on the beam as claimed in claim 6, wherein the gap at the root of the precast column (2) on the beam is filled with a building weather-resistant sealant (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110560429.6A CN113235732A (en) | 2021-05-21 | 2021-05-21 | Construction method of prefabricated conversion beam and prefabricated column connection node on beam and connection point structure of prefabricated conversion beam and prefabricated column connection node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110560429.6A CN113235732A (en) | 2021-05-21 | 2021-05-21 | Construction method of prefabricated conversion beam and prefabricated column connection node on beam and connection point structure of prefabricated conversion beam and prefabricated column connection node |
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| CN113235732A true CN113235732A (en) | 2021-08-10 |
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| JPH06316964A (en) * | 1993-05-10 | 1994-11-15 | Fujita Corp | Method for constructing joint of precast reinforced concrete column and beam |
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| CN109457599A (en) * | 2018-11-29 | 2019-03-12 | 福州大学 | Hollow pier and cushion cap splicing construction and construction method |
| CN209179203U (en) * | 2018-07-06 | 2019-07-30 | 沈阳三一建筑设计研究有限公司 | Column and basic connection component and frame structure system |
| US20200109550A1 (en) * | 2017-06-02 | 2020-04-09 | China State Construction Engineering Corporation Limited | Steel-plate-encased precast concrete column foot joint and construction method therefor |
| CN210975869U (en) * | 2019-10-11 | 2020-07-10 | 三一筑工科技有限公司 | Prefabricated post and basic overlap joint node |
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2021
- 2021-05-21 CN CN202110560429.6A patent/CN113235732A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06316964A (en) * | 1993-05-10 | 1994-11-15 | Fujita Corp | Method for constructing joint of precast reinforced concrete column and beam |
| CN205722567U (en) * | 2016-02-29 | 2016-11-23 | 浙江太学科技有限公司 | Post antidetonation floor Vierendeel girder is played in the personalized integrated box beam of real training |
| US20200109550A1 (en) * | 2017-06-02 | 2020-04-09 | China State Construction Engineering Corporation Limited | Steel-plate-encased precast concrete column foot joint and construction method therefor |
| CN107675798A (en) * | 2017-10-13 | 2018-02-09 | 湖南标迪夫节能科技有限公司 | A kind of prefabricated open tubular column |
| CN108222287A (en) * | 2018-03-02 | 2018-06-29 | 福建工程学院 | A kind of node of I-shaped steel reinforced concrete conversion beam lift column |
| CN209179203U (en) * | 2018-07-06 | 2019-07-30 | 沈阳三一建筑设计研究有限公司 | Column and basic connection component and frame structure system |
| CN109457599A (en) * | 2018-11-29 | 2019-03-12 | 福州大学 | Hollow pier and cushion cap splicing construction and construction method |
| CN210975869U (en) * | 2019-10-11 | 2020-07-10 | 三一筑工科技有限公司 | Prefabricated post and basic overlap joint node |
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