CN209855050U - Prefabricated column for assembled frame construction building - Google Patents
Prefabricated column for assembled frame construction building Download PDFInfo
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- CN209855050U CN209855050U CN201920536418.2U CN201920536418U CN209855050U CN 209855050 U CN209855050 U CN 209855050U CN 201920536418 U CN201920536418 U CN 201920536418U CN 209855050 U CN209855050 U CN 209855050U
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Abstract
The utility model discloses a prefabricated column for an assembly type frame structure building, which at least comprises a group of horizontally pre-embedded split bolts which are vertically arranged, wherein one end of the split bolt is arranged in the prefabricated column and does not expose or extend out of the prefabricated column, and the other end of the split bolt extends out of the prefabricated column; the prefabricated column is a reinforced concrete column with a built-in reinforcement cage, and the split bolts are welded and connected with longitudinal reinforcements of the reinforcement cage in the prefabricated column. The utility model discloses a prefabricated post can be for corner post, side column or center pillar, pre-buried split bolt in the prefabricated post, and split bolt and longitudinal reinforcement welded fastening make split bolt and longitudinal reinforcement form a whole, have improved frame construction's limit bearing capacity and anti-seismic performance, have prevented simultaneously that pre-buried split bolt from producing the aversion in the work progress of prefabricated post, have guaranteed the construction precision. The utility model discloses a prefabricated post simple structure is suitable for at prefabricated factory batch, standardized production.
Description
Technical Field
The utility model relates to a construction technical field especially, relates to an assembly type frame construction is prefabricated post for 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.
For example, the chinese patent application with publication number CN109113190A discloses a detachable assembled beam-column connection structure with a steel structure, which includes a precast concrete column, a precast concrete beam perpendicular to the precast concrete column, and channel steel type flange splicing plates, cross-shaped steel is embedded in the precast concrete column, i-shaped steel is embedded in the precast concrete beam, one end of the i-shaped steel, which faces the precast concrete column, extends out of the precast concrete column, the channel steel type flange splicing plates are composed of vertical splicing plates and horizontal splicing plates vertically connected to the middle portions of the vertical splicing plates, reinforcing rib plates are arranged between the vertical splicing plates and the horizontal splicing plates, two channel steel type flange splicing plates are correspondingly arranged on one side wall of the precast concrete column, and the vertical splicing plates are connected with the precast concrete column through split bolts. The beam column connecting structure needs to embed cross steel in the prefabricated column, so that the prefabricated column is high in manufacturing cost and complex in structure, split bolts need to be installed one by one on site, and the operation efficiency of site construction can be influenced.
Also, for example, chinese patent application publication No. CN108532749A discloses a high-ductility pre-stressed assembled concrete beam-column connection node, which includes a precast beam, a precast column, post-tensioned tendons connecting the precast column and the precast beam, and energy-consuming angle steels; 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 high-strength connecting bolt is embedded in the prefabricated column in the structure, the structure also needs to reserve a pore channel on the prefabricated beam and can meet the rigidity requirement of the beam-column connecting node by matching with the prestressed tendon, and the prefabricated column in the structure is adopted to enable the connecting node to have the problems of complex beam-column connecting node 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 an assembled frame construction is prefabricated post for building to the current prefabricated post of adoption that points out in the solution background art makes connected node have the beam column connected node structure complicated, the construction problem of building inconvenience.
In order to achieve the purpose, the utility model provides a prefabricated column for an assembly type frame structure building, which at least comprises a group of horizontally pre-embedded split bolts which are vertically arranged, wherein one end of each split bolt is arranged in the prefabricated column and does not expose or extend out of the prefabricated column, and the other end of each split bolt extends out of the prefabricated column; the prefabricated column is a reinforced concrete column with a built-in reinforcement cage, and the split bolts are directly or indirectly welded with longitudinal reinforcements of the reinforcement cage in the prefabricated column.
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.
Furthermore, butterfly nuts are installed at one ends, embedded in the prefabricated columns, of the split bolts, the parts, embedded in the prefabricated columns, of the split bolts are connected with two first steel bars arranged on the upper side and the lower side of the split bolts in a welded mode, and the two first steel bars are connected with at least one longitudinal steel bar in a welded mode.
Furthermore, the end part of one end of the split bolt embedded in the prefabricated column is fixedly connected with a second steel bar, the second steel bar is welded on the split bolt, the second steel bar is arranged on an extension line of the split bolt in the length direction or in a position parallel to the extension line, and the second steel bar is welded and fixed with at least one longitudinal steel bar far away from one side of an angle code penetrated through the second steel bar through a first steel bar positioned on the upper side and/or the lower side of the second steel bar.
Further, when the prefabricated column is vertically arranged, the first steel bars are horizontally arranged.
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.
Furthermore, a plurality of inverted frustum-shaped grooves are formed in one side of the prefabricated column, hanging nails pre-buried in the prefabricated column are horizontally arranged in the inverted frustum-shaped grooves, the hanging nails are connected with stirrups of a reinforcement cage in the prefabricated column through third steel bars in a welded mode, and the other ends of the hanging nails are located in the inverted frustum-shaped grooves; and a lifting appliance is also arranged on the top surface of the prefabricated column when the prefabricated column is vertically arranged.
Further, the prefabricated column is fixedly arranged on the basis of the frame structure building.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the prefabricated column can be a corner column, 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 operation 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. The utility model discloses a prefabricated post simple structure is suitable for at prefabricated factory batch, standardized production, and can be better satisfy frame construction building structure intensity, improves high construction quality.
(2) The two ends of the part, positioned in the prefabricated column, of the split bolt are respectively welded and connected with at least one group of first reinforcing steel bars arranged on the upper side and the lower side of the prefabricated column, and each first reinforcing steel bar is welded and connected with at least one longitudinal reinforcing steel bar; the structure can effectively avoid the defects of inaccurate positioning and the like caused by the displacement and deflection of the split bolt in the precast column concrete pouring process by welding the split bolt and the longitudinal steel bar into a whole.
(3) The utility model provides a set up in the prefabricated post that one end is located prefabricated post, the other end stretches out to the stay bolt outside prefabricated post, stay bolt through two set up respectively in its first reinforcing bar of both sides about with be close to the at least longitudinal reinforcement welded fastening of its angle sign indicating number one side that runs through, make stay bolt and longitudinal reinforcement form a whole, also can effectively avoid prefabricated post concrete to pour the in-process and shift, deflect and cause defects such as location inaccuracy to stay bolt. Meanwhile, the butterfly nut is installed at one end, embedded in the prefabricated column, of the split bolt and in threaded connection with the split bolt, lateral rigidity of the frame structure is increased through the butterfly nut embedded in the prefabricated column, and seismic capacity of the frame structure building is further guaranteed.
(4) The utility model discloses an among the prefabricated post, the tip of the pre-buried one end in prefabricated post of split bolt is fixedly connected with second reinforcing bar still, and the second reinforcing bar is through being located its upside and/or the first reinforcing bar of downside and keeping away from an at least longitudinal reinforcement welded fastening of angle sign indicating number one side that it runs through. This structure makes split bolt and vertical reinforcing bar form a whole, and the structure sets up rationally.
(5) The utility model is characterized in that a plurality of hanging nails are pre-buried in the precast column, the hanging nails are arranged on the top end and one of the side walls when the precast column is vertically arranged, and a lifting appliance is arranged on the hanging nails; this structure setting is convenient for hoist and mount, transport and the installation to prefabricated post, and the structure sets up rationally.
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 an isometric view of a prefabricated column for an assembled frame structure building in an embodiment of the present invention;
fig. 2 is a front perspective view of a prefabricated column for a fabricated frame structure building according to an embodiment of the present invention;
FIG. 3 is a schematic view of the welding of the pre-buried split bolt and the reinforcement cage in the embodiment of the present invention;
FIG. 4 is a front perspective view of another prefabricated column for a fabricated frame structure building in an embodiment of the present invention;
wherein, 1, prefabricated post, 1a, vertical reinforcing bar, 1b, stirrup, 2, hang the nail, 3, hoist, 4, split bolt, 5, third reinforcing bar, 6, butterfly nut 7, first reinforcing bar, 8, second reinforcing bar.
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.
As shown in FIG. 1, the utility model discloses a prefabricated post for assembly type frame construction building, prefabricated post is fixed to be set up on frame construction building's basis. Specifically, including in prefabricated post 1 about its vertical setting respectively a set of level pre-buried a plurality of to stay bolt 4 that set up, according to the actual cooperation demand of prefabricated post and roof beam, can set up the stay bolt that both ends all stretch out to the prefabricated post outside in the prefabricated post, and/or set up one end setting in the prefabricated post, the other end stretches out to the stay bolt outside the prefabricated post in the prefabricated post, can make better being connected with the roof beam of stay bolt like this, and make stay bolt not expose outside the prefabricated post with the one end of girder steel contact, guaranteed the pleasing to the eye of building. The prefabricated post is the reinforced concrete column of built-in steel reinforcement cage, and the steel reinforcement cage includes four vertical reinforcing bars 1a and the horizontal stirrup 1b of establishing on vertical reinforcing bar of hooping in the prefabricated post four corners that set up respectively, and the split bolt is in prefabricated post and the vertical reinforcing bar of steel reinforcement cage direct or indirect welded connection.
Example 1
As shown in fig. 2 and 3, the prefabricated column in this embodiment is a side column or a middle column, two opposite sides of the prefabricated column are connected to steel beams, and therefore, the prefabricated column at least comprises a group of split bolts, wherein two ends of each group of split bolts extend out of the prefabricated column; 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. To the split bolt 4 that both ends all stretch out to outside the prefabricated post, its both ends that are located the inside part of prefabricated post respectively with two set up in its upper and lower both sides first reinforcing bar 7 welded connection, and every first reinforcing bar all with at least one longitudinal reinforcement 1a welded connection.
Example 2
As shown in fig. 4, the prefabricated column in this embodiment is a corner column or a side column, and the prefabricated column at least includes a set of upper and lower split bolts, one end of each set of the upper and lower split bolts is embedded in the prefabricated column and is not exposed, and the other end of each set of the upper and lower split bolts extends out of the prefabricated column. 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.
In a specific embodiment, two sets of split bolts 4 are respectively arranged on the upper and lower sides of two adjacent side walls of the prefabricated column, and each set of split bolts comprises two split bolts arranged at equal height.
In a specific implementation mode, one side of a prefabricated column is provided with a plurality of inverted frustum-shaped grooves, hanging nails 2 which are pre-buried in the prefabricated column are arranged in the inverted frustum-shaped grooves, the hanging nails are connected with stirrups 1b of a reinforcement cage in the prefabricated column through third reinforcements 5 in a welding mode, and the other ends of the hanging nails are located in the inverted frustum-shaped grooves; and a lifting appliance 3 is also arranged on the top surface of the prefabricated column when the prefabricated column is vertically arranged. This structure setting is convenient for hoist and mount, transport and the installation to prefabricated post, and the structure sets up rationally.
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 formed by assembling the prefabricated columns of the utility model is 236KN, and the tensile strength of the frame structure 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. The prefabricated column for the assembled frame structure building is characterized in that the prefabricated column (1) at least comprises a group of horizontally pre-embedded split bolts (4) which are vertically arranged, wherein one ends of the split bolts are arranged in the prefabricated column and do not expose or extend out of the prefabricated column, and the other ends of the split bolts extend out of the prefabricated column; the prefabricated column is a reinforced concrete column with a built-in reinforcement cage, and the split bolts are directly or indirectly welded with longitudinal reinforcements (1a) of the reinforcement cage in the prefabricated column.
2. The prefabricated column of claim 1, wherein the part of the split bolt embedded in the prefabricated column is welded to 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 to at least one longitudinal steel bar.
3. The prefabricated column of claim 1, wherein a butterfly nut (6) is installed at one end of the split bolt embedded in the prefabricated column, the part of the split bolt embedded in the prefabricated column is welded to two first steel bars (7) respectively arranged on the upper side and the lower side of the split bolt embedded in the prefabricated column, and the two first steel bars are welded to at least one longitudinal steel bar.
4. The prefabricated column of claim 3, wherein the end portion of one end of the split bolt embedded in the prefabricated column is fixedly connected with a second steel bar (8), the second steel bar is welded on the split bolt and arranged on an extension line of the split bolt in the length direction or in a position parallel to the extension line, and the second steel bar is welded and fixed with at least one longitudinal steel bar far away from one side of an angle code through which the second steel bar penetrates through the first steel bar (7) on the upper side and/or the lower side of the second steel bar.
5. Prefabricated column according to any of claims 2-4, characterised in that the first reinforcement bars (7) are all arranged horizontally when the prefabricated column is arranged vertically.
6. The prefabricated column according to claim 1, wherein two groups of split bolts (4) are respectively arranged on 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.
7. The precast column according to claim 1, wherein a plurality of inverted frustum-shaped grooves are formed in one side of the precast column, hanging nails (2) pre-buried in the precast column are horizontally arranged in the inverted frustum-shaped grooves, the hanging nails are welded with stirrups (1b) of a reinforcement cage through third steel bars (5) in the precast column, and the other ends of the hanging nails are located in the inverted frustum-shaped grooves; and a lifting appliance (3) is also arranged on the top surface of the prefabricated column when the prefabricated column is vertically arranged.
8. The precast column according to claim 1, wherein the precast column is fixedly provided on the foundation of a frame structure building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536418.2U CN209855050U (en) | 2019-04-18 | 2019-04-18 | Prefabricated column for assembled frame construction building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536418.2U CN209855050U (en) | 2019-04-18 | 2019-04-18 | Prefabricated column for assembled frame construction building |
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| Publication Number | Publication Date |
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| CN209855050U true CN209855050U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920536418.2U Active CN209855050U (en) | 2019-04-18 | 2019-04-18 | Prefabricated column for assembled frame construction building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914697A (en) * | 2019-04-18 | 2019-06-21 | 中民筑友房屋科技集团有限公司 | A kind of assembling frame structural construction prefabricated post |
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2019
- 2019-04-18 CN CN201920536418.2U patent/CN209855050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914697A (en) * | 2019-04-18 | 2019-06-21 | 中民筑友房屋科技集团有限公司 | A kind of assembling frame structural construction prefabricated post |
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Effective date of registration: 20210918 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. |