CN210067063U - Connecting structure of side column or center column and beam for fabricated frame structure building - Google Patents
Connecting structure of side column or center column and beam for fabricated frame structure building Download PDFInfo
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- CN210067063U CN210067063U CN201920536474.6U CN201920536474U CN210067063U CN 210067063 U CN210067063 U CN 210067063U CN 201920536474 U CN201920536474 U CN 201920536474U CN 210067063 U CN210067063 U CN 210067063U
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Abstract
The utility model discloses a connecting structure of side columns or center columns and beams for an assembly type frame structure building, which comprises a prefabricated column and a steel beam, wherein the steel beam is connected with the prefabricated column through angle codes arranged at the upper side and the lower side of the end part of the steel beam; pre-buried split bolt in the prefabricated post, some of them both ends of split bolt all stretch out outside the prefabricated post and run through first connecting plate, and split bolt is connected with the longitudinal reinforcement welded joint of prefabricated post in the prefabricated post, and first connecting plate passes through lock nut and prefabricated column connection. The utility model discloses an among the connection structure, to drawing bolt and vertical reinforcing bar form a whole, improved frame construction's limit bearing capacity and anti-seismic performance, and can prevent to drawing the bolt and producing the aversion in the work progress of prefabricated post, guaranteed the construction precision. The utility model discloses simple structure, construction convenience is guaranteeing under the prerequisite of frame construction building structure intensity, has improved construction quality greatly, has shortened construction cycle.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a connection structure of side column or center pillar and roof beam for assembly type frame construction building.
Background
The frame structure is a building structure system which is formed by beams and columns and is used for bearing vertical load and lateral load, and is widely applied to houses, office buildings, markets, hotels and multi-storey industrial plants. The dry construction connection structure of the frame structure building is a building assembled on site by using prefabricated beams and columns, and is more and more valued by people because of a series of advantages of high construction speed, small restriction by climatic conditions, labor saving, building quality improvement and the like. However, the compressive strength and the tensile strength of the existing reinforced concrete prefabricated columns and the existing prefabricated beams are relatively high, and particularly, the prefabricated columns and the prefabricated beams are connected by adopting angle codes, so that the ports of the prefabricated beams are extremely easy to damage.
In view of this, those skilled in the art are constantly studying beam-column connection structures, and as disclosed in the invention patent application with publication number CN109113190A, a detachable assembly type steel structure beam-column connection structure, including a precast concrete column, with precast concrete post looks vertically precast concrete roof beam and channel steel type edge of a wing splice plate, bury the cross-shaped steel underground in the precast concrete post, bury the I-steel underground in the precast concrete roof beam, the one end towards the precast concrete post on the I-steel extends the precast concrete roof beam, channel steel type edge of a wing splice plate comprises vertical splice plate and the horizontal splice plate of connecting perpendicularly in vertical splice plate middle part, be provided with the reinforced rib board between vertical splice plate and the horizontal splice plate, it is provided with two channel steel type edge of a wing splice plates to correspond on the lateral wall of precast concrete post, be connected through split bolt between vertical splice plate and the precast concrete post. The beam column connecting structure is characterized in that cross steel and I-shaped steel are respectively embedded in the precast columns and the precast beams, so that the manufacturing cost is high, the structure is complex, split bolts are required to be installed one by one on site, and the operation efficiency of site construction is also influenced.
As another example, the invention patent application with publication number CN108532749A discloses a high-ductility pre-stressed assembled concrete beam-column connection node, which comprises a precast beam, a precast column, post-tensioned prestressed tendons connecting the precast column and the precast beam, and energy-consuming angle steel; a through unbonded prestressed tendon reserved hole channel is arranged at the centroid of the beam section so as to penetrate through the prestressed tendon; the beam end section is provided with an unbonded prestressed tendon reserved hole channel at the top of the beam so as to penetrate into the prestressed tendon; the beam anchoring section is provided with a groove at the top of the beam so as to anchor the prestressed tendon; the position of the column corresponding to the beam also needs to be provided with a pore channel; energy-consuming angle steel is arranged at the connecting part of the lower part of the beam and the column and is fixed by pre-embedded high-strength connecting bolts. Although the beam-column connection node has good continuous collapse resistance, the prestressed tendons and the tensioning prestressed tendons need to be installed on site, the manufacturing cost is high, and the connection node has the problems of complex structure and inconvenient construction and construction.
Also disclosed in patent application publication No. CN108978848A is a method for assembling a low-level framework architecture, comprising the steps of: (1) setting a foundation and installing a frame column; (2) assembling the two-layer beam: hoisting a precast beam, wherein the side columns and the middle column are at least fixedly connected with two opposite precast beams, connecting pieces are arranged on the upper part and the lower part of the precast beam, each connecting piece at least comprises a first connecting plate and a second connecting plate which are vertically arranged, the first connecting plates and the second connecting plates are respectively close to the frame column and the precast beam, horizontally arranged tie bolts penetrate through the frame column and then are fixedly connected with the first connecting plates on the two sides of the frame column, and vertically arranged tie bolts penetrate through the precast beams and then fixedly connect the second connecting plates on the two sides of the precast beam; (3) assembling a second floor; (4) assembly of the roof girder: the same step (2); (5) and (6) assembling the roof panel. The components of the invention are connected by a dry method, the connecting nodes of the components form dry connection and form a whole, the process is saved, the construction speed is high, and the construction is environment-friendly. The low-rise frame structure system involved in the application is simple and convenient in structure, but the beam-column connecting structure is limited in strength and is not suitable for house structures with stronger requirements on earthquake resistance or frame structures with larger floor heights.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connection structure of side column or center pillar and roof beam for assembly type frame construction building to solve the complicated or limited problem of beam column connection structure intensity of the beam column connection structure who points out in the background art.
In order to achieve the purpose, the utility model provides a connection structure of side column or center column and roof beam for fabricated frame structure building, the connection structure includes prefabricated post that erects the setting and the girder steel of being connected perpendicularly with prefabricated post, the girder steel is H shaped steel and/or I-steel, the upper and lower both sides of the one end that the girder steel links with the prefabricated post respectively are equipped with at least one angle sign indicating number, the angle sign indicating number includes first connecting plate and the second connecting plate that mutually perpendicular set up, first connecting plate and second connecting plate respectively close to the prefabricated post with the girder steel setting; the prefabricated post is reinforced concrete post, including the pre-buried stay bolt that sets up of each upper and lower a set of level in the prefabricated post at least, some both ends of stay bolt all stretch out to outside the prefabricated post and run through first connection, stay bolt direct or indirect welded connection with the longitudinal reinforcement of prefabricated post in the prefabricated post, first connecting plate passes through threaded connection lock nut and prefabricated column joint on the stay bolt, the second connecting plate passes through fastening bolt and girder steel connection, and/or the second connecting plate passes through welding mode and girder steel connection.
Furthermore, two ends of all the split bolts extend out of the prefabricated column; or part of two ends of the split bolt extend out of the prefabricated column, and part of one end of the split bolt is arranged in the prefabricated column and is not exposed.
Furthermore, the part of the split bolt embedded in the prefabricated column is welded with at least one group of first steel bars respectively arranged on the upper side and the lower side of the prefabricated column, and each first steel bar is welded with at least one longitudinal steel bar. Preferably, the two ends of the split bolt extend out of the prefabricated column, and the two ends of the part of the split bolt located in the prefabricated column are respectively welded and connected with the longitudinal steel bars through the first steel bars welded on the upper side and the lower side of the split bolt; and only one end stretches out the split bolt outside the prefabricated post, and butterfly nut is installed to its one end of pre-buried in the prefabricated post, and its other end sets up the first reinforcing bar of both sides about it respectively and is close to at least a longitudinal reinforcement welded fastening of its angle sign indicating number one side that runs through. More preferably, only one end stretches out to the prefabricated post outside the split bolt, its pre-buried tip that installs one end (promptly install the one end of butterfly nut) in the prefabricated post still fixedly connected with second reinforcing bar, the second reinforcing bar is fixed with keeping away from at least a longitudinal reinforcement welding of its angle sign indicating number one side that runs through the first reinforcing bar that is located its downside and/or downside.
Furthermore, the second connecting plate pass through fastening bolt with the upper flange board of girder steel is connected, perhaps the second connecting plate pass through fastening bolt with the lower flange board of girder steel is connected, just set up on upper flange board and the lower flange board and be convenient for the through-hole that fastening bolt passed.
Furthermore, a group of split bolts is respectively arranged on the two adjacent side walls of the prefabricated column from top to bottom, and each group of split bolts comprises two split bolts arranged at equal height.
Further, the prefabricated column is fixedly arranged on the basis of the frame structure building.
Furthermore, stiffening plates are further arranged on the surfaces of the L-shaped inner corners of the corner connectors, and the two adjacent side edges of each stiffening plate are respectively connected with the first connecting plate and the second connecting plate in a welding mode, so that the surfaces of the stiffening plates are perpendicular to the surfaces of the first connecting plate and the second connecting plate.
Furthermore, the angle sign indicating number is steel angle sign indicating number, split bolt and fastening bolt all adopt 10.9 grades of high-strength bolt.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the prefabricated column in the utility model is a side column or a middle column, and the split bolts are pre-buried in the prefabricated column, so that the problem that the split bolts are installed in large batch in the construction process to influence the field construction efficiency can be effectively solved; the split bolt and the longitudinal steel bar are welded and fixed, so that the split bolt and the longitudinal steel bar form a whole, the limit bearing capacity and the anti-seismic performance of the frame structure are improved, the split bolt can be prevented from shifting in the construction process of the prefabricated column, and the construction precision is ensured. Adopt the utility model discloses an assembled frame construction, its tensile strength greatly increased, and compare with the frame construction of equal intensity, low in manufacturing cost.
(2) The utility model sets the pre-buried mode of the split bolt according to the actual demand, for example, two ends of all the split bolts of the center post extend out of the prefabricated post; for example, two ends of a part of the split bolts of the side column extend out of the prefabricated column, one end of the other part of the split bolts is arranged in the prefabricated column, and the other end of the other part of the split bolts extends out of the prefabricated column and penetrates through the first connecting plate; the part of the split bolt extending out of the prefabricated column penetrates through the through hole in the first connecting plate and is fixedly connected with the corner connector through the locking nut. The structure arrangement not only facilitates the site construction operation, but also ensures that one end of the split bolt, which is not in contact with the steel beam, is not exposed out of the prefabricated column, thereby ensuring the attractiveness of the building and being reasonable in structure arrangement.
(3) The utility model discloses well pre-buried part in prefabricated post of split bolt sets up respectively in its first welded steel bar connection of both sides about with a set of at least, and every first reinforcing bar all with an at least longitudinal reinforcement welded connection. Specifically, for the split bolt with two ends extending out of the prefabricated column, the two ends of the part of the split bolt positioned in the prefabricated column are respectively welded and connected with the longitudinal steel bars through the first steel bars arranged on the upper side and the lower side of the split bolt; and for the split bolt with only one end extending out of the prefabricated column, the other end of the split bolt is welded and fixed with at least one longitudinal steel bar close to one side of the corner brace penetrated by the split bolt through two first steel bars respectively arranged on the upper side and the lower side of the split bolt. In the structure, the split bolt is indirectly welded and connected with the longitudinal steel bar through the first steel bar, so that the split bolt and the longitudinal steel bar form a whole, and inaccurate positioning caused by displacement and deflection of the split bolt in the precast column concrete pouring process is avoided.
(4) In the utility model, for the split bolt with only one end extending out of the prefabricated column, a butterfly nut is arranged at one end embedded in the prefabricated column, and the butterfly nut is in threaded connection with the split bolt; the structure increases the lateral rigidity of the frame structure by embedding the butterfly nuts in the prefabricated columns, and further ensures the shock resistance of the frame structure building. Meanwhile, the end part of one end provided with the butterfly nut is also welded with a second steel bar, and the second steel bar is welded and connected with at least one longitudinal steel bar through the first steel bar positioned on the lower side and/or the lower side of the second steel bar; this structure makes split bolt further form a whole with vertical reinforcing bar, and the structure sets up rationally.
(5) The second connecting plate is connected with the upper flange plate of the steel beam through the fastening bolt, or the second connecting plate is connected with the lower flange plate of the steel beam through the fastening bolt, and the upper flange plate and the lower flange plate are provided with through holes for the fastening bolt to pass through; the steel beam is used for replacing a concrete precast beam in the prior art, and the manufacturing cost is reduced on the premise of ensuring the strength of the connecting structure.
(6) The utility model discloses in well middle part angle sign indicating number and girder steel welded preferred mode, can practice thrift a lot of bolts in the work progress to practice thrift a lot of construction cost.
(7) The utility model discloses a connection structure through pre-buried split bolt in prefabricated post, and adopts the girder steel to replace the precast concrete roof beam among the prior art, has improved the shock resistance of frame construction building, and can effectively improve site operation's work efficiency, reduce construction cost, guarantees the security of construction, has obtained good technique and economic benefits.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a plan view of a connecting structure of a side column or a center column and a beam for a fabricated frame structure building according to embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of the connection structure of FIG. 1;
FIG. 3 is a schematic view of a cross-sectional structure B-B of the connection structure of FIG. 1;
figure 4 is a front perspective view of a prefabricated column according to embodiment 1 of the present invention;
fig. 5 is a plan view of a connecting structure of a side column or a center column and a beam for a fabricated frame structure building according to embodiment 2 of the present invention;
FIG. 6 is a schematic view of the cross-sectional C-C structure of the connection structure of FIG. 5;
FIG. 7 is a schematic view of the cross-sectional structure of the connection structure of FIG. 5 taken along line D-D;
fig. 8 is a schematic front perspective view of a prefabricated column according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of an angle bracket in an embodiment of the present invention;
the steel beam comprises 1 prefabricated columns, 1a longitudinal steel bars, 1b stirrups, 2 steel beams, 3 corner connectors, 3.1 stiffening plates, 4 split bolts, 5 fastening bolts, 6 butterfly nuts, 7 first steel bars, 8 second steel bars, 9 locking nuts.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
The utility model discloses a connection structure of side column or center pillar and roof beam for assembly type frame construction building, including erect prefabricated post 1 that sets up and with the perpendicular girder steel 2 of being connected of prefabricated post, the girder steel is H shaped steel, and the upper and lower both sides that the girder steel links to each other one end with prefabricated post respectively are equipped with an angle sign indicating number 3, and the angle sign indicating number includes first connecting plate and the second connecting plate of perpendicular setting, and first connecting plate and second connecting plate set up near prefabricated post and girder steel respectively. Prefabricated post 1 is the reinforced concrete column of built-in steel reinforcement cage, and the steel reinforcement cage includes longitudinal reinforcement 1a and stirrup 1b, and including the pre-buried split bolt 4 that sets up of each level about the multiunit in the prefabricated post.
Example 1
As shown in fig. 1, the prefabricated column in this embodiment is a side column, and two opposite sides of the prefabricated column are connected to steel beams, so that the prefabricated column at least includes a set of split bolts, each of which has two ends extending out of the prefabricated column; in addition, the third side of the prefabricated column is also connected with the steel beam, so that the prefabricated column at least comprises an upper group of split bolts and a lower group of split bolts, one ends of the split bolts are buried in the prefabricated column and are not exposed, and the other ends of the split bolts extend out of the prefabricated column. In this structure, the part that the split bolt stretches out outside the prefabricated post runs through the through-hole on the first connecting plate to through the lock nut 9 and the angle sign indicating number fixed connection of threaded connection on the split bolt, the second connecting plate passes through fastening bolt 5 and is connected with the girder steel. Through pre-buried split bolt in prefabricated post, the problem of influencing on-the-spot construction operating efficiency in the big batch split bolt installation work progress has been solved.
As shown in fig. 2 to 4, for the split bolt 4 with both ends extending out of the prefabricated column, both ends of the inner part of the prefabricated column are respectively welded to the two first steel bars 7 disposed on the upper and lower sides of the prefabricated column, and each first steel bar is welded to at least one longitudinal steel bar 1 a. To only one end stretch out to prefabricated post outside split bolt 4, butterfly nut 6 is installed to its one end of pre-buried in prefabricated post, its other end (being located the other end of prefabricated post internal portion) and two first reinforcing bars 7 welded connection that set up both sides about it respectively, and every first reinforcing bar all with at least one vertical reinforcing bar 1a welded connection. Furthermore, the end part of one end of the split bolt, which is embedded in the prefabricated column, is also connected with a second steel bar 8 in a welding manner, the second steel bar is welded on the split bolt, and the second steel bar is arranged on an extension line in the length direction of the split bolt or is arranged in a position parallel to the extension line; the second reinforcing bar is rather than 7 welded connection of first reinforcing bar of downside, this first reinforcing bar again with keep away from one or two vertical reinforcing bar welded fastening of angle sign indicating number one side that it runs through, and when the vertical setting of prefabricated post, the equal level setting of first reinforcing bar. The structure enables the split bolts and the longitudinal steel bars to form a whole, improves the ultimate bearing capacity and the anti-seismic performance of the frame structure, and can effectively avoid the defects of inaccurate positioning and the like caused by the displacement and deflection of the split bolts in the precast column concrete pouring process. Meanwhile, the end, which is not contacted with the steel beam, of the split bolt does not expose out of the prefabricated column, so that the attractiveness of a building is guaranteed.
Example 2
As shown in fig. 5 to 8, the prefabricated column in this embodiment is a central column, and both ends of the split bolt 4 pre-embedded in the prefabricated column extend out of the prefabricated column 1 and penetrate through the through hole in the first connecting plate, and are fixedly connected with the corner connector through the locking nut 9. Similarly, the two ends of the part, located in the prefabricated column, of the split bolt are respectively welded with the two first steel bars arranged on the upper side and the lower side of the split bolt, and each first steel bar is welded with at least one longitudinal steel bar 1 a.
In the utility model discloses in, the second connecting plate passes through fastening bolt 5 to be connected with the top flange board of girder steel, or the second connecting plate passes through fastening bolt 5 to be connected with the bottom flange board of girder steel, and sets up the through-hole that the fastening bolt of being convenient for passed on top flange board and the bottom flange board. The steel beam is used for replacing a concrete precast beam which is easy to damage under stress in the prior art, so that the connection between the corner connectors and the beam member is facilitated, and the stability of the frame structure is further improved. Each group of split bolts comprises two split bolts arranged at equal height, so that the plate surface of the stiffening plate is perpendicular to the plate surfaces of the first connecting plate and the second connecting plate.
As shown in fig. 9, the utility model discloses the L type interior angle of well angle sign indicating number still is provided with stiffening plate 3.1 on the surface, and the adjacent both sides limit of stiffening plate links to each other with first connecting plate and second connecting plate welding respectively for the face of stiffening plate is all perpendicular with the face of first connecting plate and second connecting plate. The structure is specially designed for the corner connectors, and the rigidity of the frame structure is prevented from being influenced by the damage of the corner connectors.
The utility model discloses in, the girder steel also can be the I-steel, and simultaneously, the second connecting plate also can be connected with the girder steel through welding mode. The angle sign indicating number and girder steel welded preferred mode in this structure can practice thrift a lot of bolts in the work progress to practice thrift a lot of construction cost. The angle sign indicating number is steel angle sign indicating number, and split bolt 4 and fastening bolt 5 all adopt 10.9 grades of high-strength bolt.
The utility model discloses in, M20 bolt 10.9 level performance grade is pre-buried in prefabricated post, through the test: the tensile strength of the frame structure which is welded by adopting the utility model is 236KN, and the tensile strength of the frame structure which is embedded by the steel wire binding retention auxiliary split bolt in the prior art is 186 KN; therefore, compared with the connection of the welding reinforced counter-pulling bolt and the longitudinal steel bar, the tensile strength of the frame structure is improved by about 27 percent. In addition, compared with the frame structure of the concrete beam structure with the cross-shaped steel nodes at the end part disclosed in the patent application document CN109113190A, the frame structure of the invention has the advantage of low cost of 110 yuan/m2(ii) a Compared with the frame structure of the 'pre-applied concrete beam structure' disclosed in the patent application document CN108532749A, the cost is low by 190 yuan/m2. Wherein the cost reduction per square meter is calculated in terms of the building area of the entire frame structure building.
The inventor thinks that: the utility model discloses in, expose prefabricated post to the tip of stay bolt, should expose the end and need be connected with the girder steel, therefore here becomes the weak link of mechanical properties among whole prefabricated post and the beam column connection structure. As a holistic technical scheme, the utility model discloses except that the welding is strengthened the split bolt and is connected with the longitudinal reinforcement, still adopt the girder steel to replace the precast concrete roof beam, use after the mode improves, no longer have the weak point of mechanics performance among the beam column connection structure for whole precast column and beam column connection structure are in reduce cost, and mechanical properties improves by a wide margin, have obtained good technique and economic benefits.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. A connection structure of a side column or a center column and a beam for an assembly type frame structure building is characterized by comprising a prefabricated column (1) which is vertically arranged and a steel beam (2) which is vertically connected with the prefabricated column, wherein the steel beam is H-shaped steel and/or I-shaped steel, the upper side and the lower side of one end, connected with the prefabricated column, of the steel beam are respectively provided with at least one corner brace (3), each corner brace comprises a first connecting plate and a second connecting plate which are vertically arranged, and the first connecting plate and the second connecting plate are respectively arranged close to the prefabricated column and the steel beam; prefabricated post is reinforced concrete column, including the pre-buried stay bolt (4) that sets up of each upper and lower a set of level in the prefabricated post at least, some both ends of stay bolt all stretch out to outside the prefabricated post and run through first connecting plate, stay bolt in prefabricated post with vertical reinforcing bar (1a) direct or indirect welded connection of prefabricated post, first connecting plate passes through threaded connection lock nut (9) and prefabricated column connection on the stay bolt, the second connecting plate passes through fastening bolt (5) and is connected with the girder steel, and/or the second connecting plate passes through welding mode and girder steel connection.
2. The connecting structure according to claim 1, wherein both ends of all the split bolts protrude outside the precast column; or part of two ends of the split bolt extend out of the prefabricated column, and part of one end of the split bolt is arranged in the prefabricated column and is not exposed.
3. The connecting structure of claim 1, wherein the part of the split bolt embedded in the prefabricated column is welded with at least one group of first steel bars (7) respectively arranged on the upper side and the lower side of the prefabricated column, and each first steel bar is welded with at least one longitudinal steel bar.
4. The connecting structure according to claim 1, wherein the second connecting plate is connected to the upper flange plate of the steel beam by a fastening bolt (5), or the second connecting plate is connected to the lower flange plate of the steel beam by a fastening bolt (5), and the upper and lower flange plates are provided with through holes for the fastening bolt to pass through.
5. The connecting structure according to claim 1, wherein two adjacent side walls of the prefabricated column are respectively provided with a group of split bolts (4) from top to bottom, and each group of split bolts comprises two split bolts arranged at equal height.
6. A connection arrangement according to claim 1, characterised in that the prefabricated columns (1) are fixedly arranged on the foundation of a frame structure building.
7. The connecting structure according to claim 1, wherein a stiffening plate (3.1) is further arranged on the surface of the L-shaped inner corner of the corner brace, and two adjacent sides of the stiffening plate are respectively connected with the first connecting plate and the second connecting plate in a welding manner, so that the plate surface of the stiffening plate is perpendicular to the plate surfaces of the first connecting plate and the second connecting plate.
8. The connection structure according to claim 1, wherein the corner brace is a steel corner brace, and a 10.9-grade high-strength bolt is adopted for each of the split bolt (4) and the fastening bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920536474.6U CN210067063U (en) | 2019-04-18 | 2019-04-18 | Connecting structure of side column or center column and beam for fabricated frame structure building |
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| CN201920536474.6U CN210067063U (en) | 2019-04-18 | 2019-04-18 | Connecting structure of side column or center column and beam for fabricated frame structure building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914614A (en) * | 2019-04-18 | 2019-06-21 | 中民筑友房屋科技集团有限公司 | A kind of connection structure of assembling frame structural construction side column or center pillar and beam |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914614A (en) * | 2019-04-18 | 2019-06-21 | 中民筑友房屋科技集团有限公司 | A kind of connection structure of assembling frame structural construction side column or center pillar and beam |
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Effective date of registration: 20210913 Address after: 342300 south of Weisan road and east of Jingwu Road, luoao industrial community, Yudu County, Ganzhou City, Jiangxi Province Patentee after: Zhongmin zhuyou Housing Technology (Ganzhou) Co.,Ltd. Address before: No. 10, Zhongshi Road, Kaifu District, Changsha City, Hunan Province Patentee before: ZHONGMIN ZHUYOU HOUSE TECHNOLOGY GROUP Co.,Ltd. |
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