CN114164952B - Forming method of assembled steel reinforced concrete column beam connecting joint with inner and outer steel sleeves - Google Patents
Forming method of assembled steel reinforced concrete column beam connecting joint with inner and outer steel sleeves Download PDFInfo
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- CN114164952B CN114164952B CN202111488316.6A CN202111488316A CN114164952B CN 114164952 B CN114164952 B CN 114164952B CN 202111488316 A CN202111488316 A CN 202111488316A CN 114164952 B CN114164952 B CN 114164952B
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- steel
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- reinforced concrete
- sleeve
- steel reinforced
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 173
- 239000010959 steel Substances 0.000 title claims abstract description 173
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a method for forming an assembled steel reinforced concrete column beam connecting node with an inner steel sleeve and an outer steel sleeve, wherein the node mainly comprises a prefabricated upper steel reinforced concrete column with a steel inner sleeve, a prefabricated lower steel reinforced concrete column with a steel inner sleeve, a steel outer sleeve with a bracket and a prefabricated steel reinforced concrete beam with stirrups as square spiral hoops, steel of the steel reinforced concrete upper and lower columns with the steel inner sleeve is welded and connected with the inner sleeve through welding rib plates, longitudinal ribs and Fang Luoxuan stirrups are bound, finally concrete is poured and prefabricated, the upper column and the lower column are welded and connected through the steel inner sleeve at the column end, the steel outer sleeve with the bracket is reinforced through high-strength bolts and welded and connected through penetrating high-strength bolts, the bracket of the steel outer sleeve is connected with the prefabricated steel reinforced concrete beam through high-strength bolts, and a beam column node is formed by casting concrete after the bracket is connected with the beam. The invention provides an assembled steel reinforced concrete column-steel reinforced concrete beam joint with an inner steel sleeve and an outer steel sleeve, which better solves the connection problem of prefabricated steel reinforced concrete, has better anti-seismic performance, can reduce a large amount of field workload and is convenient for field assembly.
Description
Technical Field
The invention relates to a method for forming an assembled steel reinforced concrete column beam connecting node with an inner steel sleeve and an outer steel sleeve in the technical field of construction.
Background
At present, most civil buildings still adopt reinforced concrete structures, but the buildings with the structural forms have large self-weight, long construction period, need a large amount of manpower and consume a large amount of environmental resources. The Steel Reinforced Concrete (SRC) is a steel and concrete combined structural form formed by arranging the steel in the original reinforced concrete beam column, has strong deformability and good earthquake resistance compared with the traditional reinforced concrete structure, can reduce the beam column section and increase the use space, has the functions of stress and protecting the steel compared with the steel structure, saves steel, has high structural rigidity, ensures that horizontal displacement is easier to meet under the action of wind load and earthquake, is beneficial to improving the stability of the steel, prevents the rod piece from being unstable, and is an excellent structural form.
Although steel reinforced concrete has many advantages, when the traditional steel reinforced concrete structure is constructed, steel and steel are connected as the steel structure, and the reinforced concrete structure is required to work, and the procedures of binding steel bars, supporting forms, pouring concrete and the like are carried out.
The beam column node is a structural weight, and the beam column node is a problem to be solved urgently because the beam column node is a key point affecting the earthquake-resistant performance of the building, and based on the knowledge, the assembled steel reinforced concrete beam column node which is reliable in force transmission, strong in integrity and simple in construction is developed.
Disclosure of Invention
The invention aims to overcome the defects of the existing prefabricated steel reinforced concrete beam-column node connection, and provides a method for connecting the prefabricated steel reinforced concrete beam-column node, which combines the construction characteristics of prefabricated building, ensures the connection effectiveness by using high-strength bolts and welding, can effectively solve the problem of complex connection of the steel reinforced concrete beam-column node, has simple construction, can improve the construction efficiency, and can effectively reduce the construction period by only carrying out cast-in-situ on site by a small amount.
In order to achieve the above purpose, the invention adopts the following technical scheme:
According to the embodiment of the invention, an assembled steel reinforced concrete column-steel reinforced concrete beam joint with an inner steel sleeve and an outer steel sleeve is provided, and comprises column concrete (1), beam concrete (2), steel rings (3), a steel outer sleeve (4), steel outer sleeve brackets (5), beam square spiral stirrups (6), beam longitudinal ribs (7), high-strength bolts (8), penetrating high-strength bolts (9), beam H-shaped steel (10), column H-shaped steel (11), rib plates (12), column longitudinal ribs (13), column Fang Luoxuan stirrups (14), steel inner sleeves (15), end plates (16), penetrating high-strength bolt reserved holes (17) and high-strength bolt reserved holes (18); prefabricating steel reinforced concrete upper and lower columns with steel inner sleeves (15), welding rib plates (12) at two ends of column H-shaped steel (11), welding the rib plates (12) with the steel inner sleeves (15), welding steel rings (3) on the surfaces of the steel inner sleeves (15), welding end plates (16) at the ends of the column H-shaped steel (11), binding column longitudinal ribs (13) with column Fang Luoxuan stirrups (14), and pouring concrete to form prefabricated components; the prefabricated steel reinforced concrete column with the upper steel inner sleeve (15) and the lower steel inner sleeve (15) is hoisted on site, the steel inner sleeve (15) is welded, then the two steel outer sleeve (4) members with brackets are connected through the high-strength bolt (8) through the high-strength bolt reserved holes (18), the steel outer sleeve (4) is formed and welded with the steel ring (3), finally the steel inner sleeve, the steel outer sleeve and the steel reinforced concrete are connected into a whole through the high-strength bolt (9) through the high-strength bolt reserved holes (17), the beam H-shaped steel (10) of the steel reinforced concrete beam is connected with the steel outer sleeve brackets (5) through the high-strength bolt (8), and then concrete is poured, so that the assembled steel reinforced concrete column-steel reinforced concrete beam node structure with the inner sleeve and the outer sleeve is formed.
According to the embodiment of the invention, the steel ring (3) is further used for facilitating the welding connection of the steel outer sleeve (4), the outer surface of the steel ring is flush with the column concrete (1), the appearance of the column is ensured, and the subsequent construction is facilitated.
According to the embodiment of the invention, the through high-strength bolt preformed holes (18) are further staggered, and the column longitudinal ribs (13) and the rib plates (12) are avoided, so that the through high-strength bolts (9) can not be connected and the performance of beam-column joints is prevented from being reduced.
According to the embodiment of the invention, the steel inner sleeve (15) is higher than the column H-shaped steel (11) by a certain distance, so that the steel inner sleeve is convenient to be placed into the end plate (16) for welding, and the end plate (16) at the end part of the column H-shaped steel (11) can increase the rigidity of the node and play a role of a stiffening rib.
According to the embodiment of the invention, furthermore, the stirrup for the steel reinforced concrete column and the steel reinforced concrete beam is Fang Luoxuan stirrups, and compared with the common stirrups, the steel reinforced concrete column and the steel reinforced concrete beam have better constraint performance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic diagram of the connection of a medium-sized steel concrete column to a section steel concrete beam node according to the present invention;
FIG. 2 is a schematic view of the connection of the section steel of the steel reinforced concrete column of the invention with the end plate;
FIG. 3 is a schematic diagram of the connection of the H-section steel, the inner sleeve, the steel rings, the longitudinal column ribs and the hoop column ribs of the column of the invention;
FIG. 4 is a schematic view of the connection of the column end plates of the steel reinforced concrete column of the present invention;
FIG. 5 is a schematic view of preformed holes provided in a steel reinforced concrete column of the present invention;
Fig. 6 is a schematic view of a steel outer sleeve of the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Embodiments of the present invention are described in detail below with reference to fig. 1 to 6:
As shown in figure 1, the invention is a novel steel reinforced concrete beam column joint with an inner steel sleeve, which is mainly formed by welding an upper steel reinforced concrete column with an inner steel sleeve and a lower steel reinforced concrete column with an inner steel sleeve through an inner steel sleeve 15, sleeving an outer steel sleeve 4 with a bracket, connecting the outer steel sleeve 4 with the bracket through a high-strength bolt reserved hole 18 of the outer steel sleeve bracket 5 by using a high-strength bolt 8, welding the outer steel sleeve 4 with the bracket and the upper steel ring 3 into a whole, finally connecting the outer steel sleeve 4 with the bracket, the inner steel sleeve 15, the column reinforced concrete 1 and the column H-shaped steel 11 together through a high-strength bolt reserved hole 17, so that all components of the column joint are stressed together, and connecting the bracket of the outer steel sleeve with a beam H10 of a prefabricated steel reinforced concrete beam through a high-strength bolt 8 to form the steel beam column joint with an inner steel sleeve and an outer steel sleeve.
As shown in fig. 2 to 4, the steel reinforced concrete column with the inner sleeve 15 is formed by welding rib plates 12 at two ends of the column H-shaped steel 11, welding the rib plates 12 with the inner sleeve 15, welding steel rings 3 on the surface of the inner sleeve 15, welding end plates 16 at the end parts of the steel sections, binding column longitudinal ribs 13 and column Fang Luoxuan stirrups 14, and pouring concrete.
The steel inner sleeve 15 is higher than the column H-shaped steel 11 by a certain distance, so that the steel inner sleeve is convenient to be placed into the end plate 16 for welding, the end plate 16 at the end part of the column H-shaped steel 11 can increase the rigidity of the joint, and the stiffening rib is realized.
As shown in fig. 5, a preformed hole is required to be formed in the steel reinforced concrete column of the prefabricated steel strip inner sleeve 15, so that the steel outer sleeve 4 is connected and then connected by using the high-strength through bolts 9, the positions of the preformed holes 17 of the high-strength through bolts are staggered, and the column longitudinal ribs 13 and the end plates 16 are avoided, so that the high-strength through bolts 9 are prevented from being unable to be connected and the performance of beam-column joints is reduced.
As shown in fig. 6, the two members are connected by the high strength bolts 8 and the high strength bolt reserved holes 18 on the brackets to form the steel outer sleeve 4 with brackets, which is shown as a middle column beam column node, and can be connected with four beams, and the side column corner columns can be connected with two or three beams only by changing the arrangement of the brackets.
While the preferred embodiments of the present application have been illustrated and described, the present application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (2)
1. The method for forming the assembled steel reinforced concrete column beam connecting joint with the inner and outer steel sleeves is characterized by comprising the following steps of: the concrete column comprises column concrete (1), beam concrete (2), steel rings (3), a steel outer sleeve (4), steel outer sleeve brackets (5), beam square spiral stirrups (6), beam longitudinal ribs (7), high-strength bolts (8), penetrating high-strength bolts (9), beam H-shaped steel (10), column H-shaped steel (11), rib plates (12), column longitudinal ribs (13), column Fang Luoxuan stirrups (14), steel inner sleeves (15), end plates (16), penetrating high-strength bolt reserved holes (17) and high-strength bolt reserved holes (18); prefabricating steel reinforced concrete upper and lower columns with steel inner sleeves (15), welding rib plates (12) at two ends of column H-shaped steel (11), welding the rib plates (12) with the steel inner sleeves (15), welding steel rings (3) on the surfaces of the steel inner sleeves (15), welding end plates (16) at the ends of the column H-shaped steel (11), binding column longitudinal ribs (13) with column Fang Luoxuan stirrups (14), and pouring concrete to form prefabricated components; hoisting the prefabricated steel reinforced concrete column with the upper and lower steel reinforced concrete sleeves (15) on site, connecting the steel reinforced concrete column with the upper and lower steel reinforced concrete sleeves by welding the steel reinforced concrete sleeves (15), connecting two steel reinforced concrete sleeve (4) members with brackets by using high-strength bolts (8) through high-strength bolt reserved holes (18), forming the steel reinforced concrete sleeve (4) and welding the steel reinforced concrete sleeve with the steel ring (3), finally connecting the steel reinforced concrete sleeve with the steel reinforced concrete sleeve and the steel reinforced concrete sleeve into a whole by using a penetrating high-strength bolt (9), connecting beam H-shaped steel (10) of the steel reinforced concrete beam with the steel reinforced concrete sleeve bracket (5) by using the high-strength bolts (8), and pouring concrete to form an assembled steel reinforced concrete column-steel reinforced concrete beam node structure with the inner and outer steel reinforced concrete sleeves;
The steel ring (3) is used for facilitating the welding connection of the steel outer sleeve (4), the outer surface of the steel ring is flush with the column concrete (1), the appearance of the column is ensured, and the subsequent construction is facilitated;
The high-strength bolt preformed holes (18) are staggered, and the column longitudinal ribs (13) and the rib plates (12) are avoided, so that the high-strength bolts (9) can not be connected and the performance of beam column joints is prevented from being reduced;
the steel inner sleeve (15) is higher than the column H-shaped steel (11) by a certain distance, so that the end plate (16) is conveniently placed in the column H-shaped steel (11) for welding, the end plate (16) at the end part of the column H-shaped steel (11) can increase the rigidity of the joint, and the stiffening rib is realized.
2. The method for forming the assembled steel reinforced concrete column beam connecting node with the inner and outer steel sleeves according to claim 1, wherein the method comprises the following steps: the stirrups for the steel reinforced concrete columns and the steel reinforced concrete beams are square spiral stirrups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111488316.6A CN114164952B (en) | 2021-12-07 | 2021-12-07 | Forming method of assembled steel reinforced concrete column beam connecting joint with inner and outer steel sleeves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111488316.6A CN114164952B (en) | 2021-12-07 | 2021-12-07 | Forming method of assembled steel reinforced concrete column beam connecting joint with inner and outer steel sleeves |
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| Publication Number | Publication Date |
|---|---|
| CN114164952A CN114164952A (en) | 2022-03-11 |
| CN114164952B true CN114164952B (en) | 2024-07-30 |
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| CN116591316A (en) * | 2023-05-30 | 2023-08-15 | 上海城建市政工程（集团）有限公司 | A connection node between a box-shaped stiff column and a concrete beam |
| CN116378228A (en) * | 2023-05-30 | 2023-07-04 | 上海城建市政工程（集团）有限公司 | Construction method for connection node of box-type stiff column and concrete beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN217537350U (en) * | 2021-12-07 | 2022-10-04 | 广州大学 | Assembled type steel reinforced concrete beam column connecting node with inner and outer steel sleeves |
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| CN106545086B (en) * | 2016-10-17 | 2019-03-05 | 华南理工大学 | A kind of steel bar regeneration monolith beam-column joint and its construction method |
| CN107143040B (en) * | 2017-04-25 | 2023-07-18 | 华南理工大学 | A connection structure and construction method of prefabricated recycled block concrete beams |
| CN112112265A (en) * | 2020-08-18 | 2020-12-22 | 中建三局绿色产业投资有限公司 | Connecting joint of dry-type connected precast beam column and construction method |
| CN112609831A (en) * | 2021-01-07 | 2021-04-06 | 广州大学 | Steel pipe constraint section steel recycled concrete column-beam assembled node and installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN217537350U (en) * | 2021-12-07 | 2022-10-04 | 广州大学 | Assembled type steel reinforced concrete beam column connecting node with inner and outer steel sleeves |
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