CN110565810A - Detachable connecting node between beam columns and connecting method - Google Patents
Detachable connecting node between beam columns and connecting method Download PDFInfo
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- CN110565810A CN110565810A CN201910967058.6A CN201910967058A CN110565810A CN 110565810 A CN110565810 A CN 110565810A CN 201910967058 A CN201910967058 A CN 201910967058A CN 110565810 A CN110565810 A CN 110565810A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000007850 degeneration Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel 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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34326—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by longitudinal elements
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
Abstract
the invention provides a detachable connecting node between beam columns and a connecting method, the connecting node comprises a precast column, a precast beam, a first connecting piece and a second connecting piece, the precast column is detachably connected with the precast beam, the end part of the precast beam is detachably connected with the precast column through the second connecting piece, two sides of the first connecting piece are respectively detachably connected with the precast column and the precast beam, one end of the second connecting piece is positioned in the precast column, the other end is positioned in the precast beam, the second connecting piece is perpendicular to the precast column and parallel to the precast beam, the construction of the beam column connecting node is completed through the direct on-site assembly of the precast column and the precast beam, the connecting node is convenient and rapid, the overall strength of the first connecting piece is further increased, the quality of the node is reliable, and the bearing capacity of the first connecting piece is enhanced, high-strength bolts are connected with the prefabricated columns and the prefabricated beams, so that the degeneration capacity of the node is improved, and the seismic energy consumption capacity of the node is enhanced.
Description
Technical Field
the invention belongs to the technical field of assembly type building construction, and particularly relates to a detachable connecting node and a connecting method between beams and columns.
background
in recent years, with the rapid development of the assembly type building industry, the prefabricated assembly type technology is gradually the core of building industrialization. The assembly type building structure main body member is prefabricated in a factory and assembled on site, and has low installation difficulty, short construction period and high production efficiency. However, the existing assembled structural beam column in China mainly adopts an integrally cast-in-place wet operation connection method, and the connection method has the technical problems of low construction efficiency, difficulty in later maintenance and the like, so that the cost is increased and the quality is difficult to guarantee. In order to promote the development of the assembly type building industry, a connection mode of prefabricated beam joints of the assembly type building with good performance must be developed to meet the high-performance requirement of the assembly type building.
Disclosure of Invention
the invention aims to provide a detachable connecting node between beam columns, which aims to solve the problems in the prior art, improve the deformation capability and the anti-seismic performance of the nodes between the beam columns, and has the advantages of high overall comprehensive strength, convenient later maintenance, reliable node quality and high durability. In order to achieve the above purpose, the invention provides the following technical scheme:
The invention provides a detachable connecting node between beams and columns, which comprises:
the prefabricated column is detachably connected with a prefabricated beam;
The end part of the precast beam is detachably connected to the precast column through a connecting piece;
A connector, the connector comprising:
the two sides of the first connecting piece are detachably connected to the precast columns and the precast beams respectively;
and one end of the second connecting piece is positioned in the prefabricated column, the other end of the second connecting piece is positioned in the prefabricated beam, and the second connecting piece is perpendicular to the prefabricated column and parallel to the prefabricated beam.
According to the detachable connection node between the beam columns, preferably, the side surface of the prefabricated column is detachably connected with the first connecting piece through a transverse bolt, the end part of the prefabricated beam is detachably connected with the first connecting piece through a vertical bolt, the transverse bolt is located in the prefabricated column, and the vertical bolt is located in the prefabricated column;
the transverse bolts and the vertical bolts are high-strength bolts;
The second connecting piece is a common bolt.
According to the detachable connecting node between the beam columns, preferably, the prefabricated column is provided with two rows of first through holes in the horizontal direction, the end part of the prefabricated beam is provided with a second through hole for the vertical bolt to pass through, and the high-strength bolt penetrates through the first through hole and the second through hole and then is fixedly connected with the first connecting piece through a nut.
according to the detachable connecting node between the beam columns, preferably, two third through holes are formed in the side portion of the connecting portion of the precast column and the precast beam in the vertical direction, two blind holes are formed in the corresponding positions of the end portion of the precast beam and the side portion of the precast column, the blind holes extend in the transverse direction of the precast beam, and the second connecting piece is inserted into the blind holes to seal and fix the hole openings of the third through holes;
The end part of the precast beam is fixedly connected with the first connecting piece through the vertical bolt.
according to the detachable connecting node between the beam columns, preferably, the first connecting piece comprises a bottom plate, a first vertical plate, a second vertical plate, a first reinforcing plate and a second reinforcing plate;
The first vertical plate and the second vertical plate are oppositely arranged in parallel and are vertically arranged on the bottom plate, the plurality of first reinforcing plates are arranged on the upper side surface of the first vertical plate and are connected with the bottom plate, and the plurality of second reinforcing plates are arranged on the lower side surface of the second vertical plate and are connected with the bottom plate;
the bottom plate is provided with a first connecting hole corresponding to the first through hole, and the first vertical plate and the second vertical plate are respectively provided with a second connecting hole corresponding to the second through hole;
the upper side surface of the end part of the precast beam abuts against the first vertical plate, and the lower side surface of the end part of the precast beam abuts against the second vertical plate;
Preferably, the first reinforcing plate and the second reinforcing plate are each in the shape of a right triangle.
according to the detachable connecting node between the beam columns, as the optimization, a groove is formed in one side, away from the precast beam, of the precast column, the groove is opposite to the first connecting piece, and a base plate is installed in the groove in a matched mode.
According to the detachable connecting node between the beam columns, preferably, the base plate is provided with a third connecting hole corresponding to the prefabricated column;
The first connecting piece is correspondingly provided with a first connecting hole and a second connecting hole for accommodating the transverse bolt and the vertical bolt to pass through, and two ends of the transverse bolt and two ends of the vertical bolt are respectively fastened and connected through the nut;
the base plate, the prefabricated column and the first connecting piece are fixedly connected through the transverse bolt;
preferably, an elastic gasket is arranged between the first connecting piece and the nut.
According to the detachable connecting node between the beam columns, preferably, the first through hole, the second through hole, the third through hole and the blind hole are reserved through sleeves;
Preferably, the sleeve is a PVC pipe.
According to the detachable connecting node between the beam columns, preferably, the outer side face of the first connecting piece is coated with a polyethylene layer.
A method for connecting detachable connecting nodes between beams and columns is characterized by comprising the following steps:
Step S1, preparing precast columns and precast beams, wherein step S1 specifically includes the following steps:
step S101, respectively embedding a first through hole sleeve and a sleeve of a blind hole in a prefabricated column;
step S102, respectively embedding a sleeve of a second through hole and a sleeve of a third through hole in a precast beam;
step S103, forming a groove on one side of the precast column, which is far away from the precast beam;
Step S2, connecting the first connecting member to the prefabricated column, wherein step S2 specifically includes the steps of:
step S201, respectively forming a first connecting hole and a second connecting hole corresponding to the first through hole and the second through hole on a first connecting piece, and forming a third connecting hole corresponding to the first through hole on a backing plate;
Step S202, installing a base plate in the groove, installing a first connecting piece on the side face of the prefabricated column, enabling the first through hole, the first connecting hole of the first connecting piece and the third connecting hole of the base plate to correspond to each other, penetrating through a transverse bolt and fixing the transverse bolt by using a nut;
Step S3, connecting the precast beam with the first connecting member, wherein step S3 specifically includes the steps of:
s301, inserting common bolts into the third through holes, and inserting the common bolts on the side surfaces of the precast beams into the side surface blind holes of the precast columns;
and S302, enabling a second through hole at the end part of the precast beam to correspond to a second connecting hole on the first connecting piece, and penetrating through a vertical bolt to be fixed by a nut.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
According to the detachable connecting node between the beam columns, the construction of the beam column connecting node is completed in a mode that the prefabricated columns and the prefabricated beams are directly assembled on site, the convenience and the rapidness are realized, the overall comprehensive strength is high, the anti-seismic performance is good, the comprehensive strength of the first connecting piece is further increased by matching the first connecting piece and the base plate, the quality of the node is reliable, the bearing capacity of the first connecting piece can be enhanced, the prefabricated columns and the prefabricated beams are connected through high-strength bolts, the degeneration capacity of the node is improved, and therefore the anti-seismic energy consumption capacity of the node is enhanced.
the invention provides a method for connecting detachable connecting nodes between beams and columns, which has the advantages similar to the beneficial effects of the detachable connecting nodes between beams and columns and is not repeated.
drawings
FIG. 1 is a schematic structural view of a detachable connection node between beams and columns according to an embodiment of the present invention;
FIG. 2 is a front view of a beam-column connection node according to an embodiment of the present invention;
FIG. 3 is a top view of a beam-column connection node according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a first connecting member according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a prefabricated column according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a precast beam according to an embodiment of the present invention;
Fig. 7 is a schematic structural view of a backing plate in an embodiment of the invention.
in the figure:
1. prefabricating a column; 2. prefabricating a beam; 3. a first connecting member; 301. a first vertical plate; 302. a second vertical plate; 303. a first reinforcing plate; 304. a second reinforcing plate; 305. a base plate; 4. a second connecting member; 5. a base plate; 6. a transverse bolt; 7. a vertical bolt; 8. a groove; 9. a first through hole; 10. a second through hole; 11. a third through hole; 12. blind holes; 13. a first connection hole; 14. a second connection hole; 15. and a third connecting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
the invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments, it being noted that the embodiments and features of the embodiments of the invention can be combined with each other without conflict.
as shown in fig. 1 to 3, the present invention provides a detachable connection node between beams and columns, the connection node comprising: the prefabricated column 1 is detachably connected with a prefabricated beam 2; the end part of the precast beam 2 is detachably connected to the precast column 1 through a connecting piece; a connector, the connector comprising: the two sides of the first connecting piece 3 are detachably connected to the precast columns 1 and the precast beams 2 respectively; and a second connecting member 4, one end of the second connecting member 4 being positioned in the precast column 1 and the other end being positioned in the precast beam 2, the second connecting member 4 being perpendicular to the precast column 1 and parallel to the precast beam 2. Specifically, the side face of the precast column 1 is detachably connected with one side of the first connecting piece 3, the end portion of the precast beam 2 is detachably connected with the other side of the first connecting piece 3, the installation direction of the first connecting piece 3 is perpendicular to the extending direction of the precast beam 2, the end portion of the precast beam 2 is connected with the side face of the precast column 1 through the second connecting piece 4, one end of the second connecting piece 4 is located in the precast column 1, the other end of the second connecting piece is located in the precast beam 2, and the second connecting piece 4 is parallel to the extending direction of the precast beam 2.
The construction of beam column connecting nodes is completed in a mode of directly assembling the precast columns 1 and the precast beams 2 on site, and the method is convenient and rapid, high in overall comprehensive strength, reliable in node quality and good in anti-seismic performance.
furthermore, the side face of the prefabricated column 1 is detachably connected with the first connecting piece 3 through the transverse bolt 6, and the end portion of the prefabricated beam 2 is detachably connected with the first connecting piece 3 through the vertical bolt 7. When high-strength bolt and nut suffered to destroy, change new high-strength bolt and nut can, so, can prolong precast beam 2 and 1 connected node's of precast column life, maintain convenient and fast.
The high-strength bolt in the embodiment is a high-strength bolt, and belongs to a standard component. The high-strength bolt is made of 10.9S-grade or 8.8S-grade high-quality alloy structural steel through heat treatment, and the high-strength bolt is made of No. 45 steel, alloy steel (such as 20MnTiB and 35VB) or other high-quality materials and then subjected to heat treatment, so that the strength is improved, and the load borne by the high-strength bolt is larger than that of a common bolt with the same specification.
further, as shown in fig. 5, two rows of first through holes 9 are arranged in the precast column 1 along the horizontal direction, second through holes 10 for accommodating the vertical bolts 7 to pass through are arranged at the end portions of the precast beams 2, and the high-strength bolts penetrate through the first through holes 9 and the second through holes 10 and then are fastened and connected with the first connecting pieces 3 through nuts.
because bolt disect insertion concrete hole has great degree of difficulty, for the convenience of the installation of high strength bolt, still be provided with the sleeve pipe in the first through-hole 9, so, reduced the installation degree of difficulty in the work progress, prevent simultaneously that the load effect from down the bolt deformation directly crushing the concrete and take place inside destruction, played certain prevention effect, the sheathed tube material is specifically decided according to the circumstances.
Further, as shown in fig. 6, two third through holes 11 are formed in the side portion of the joint of the precast column 1 and the precast beam 2 in the up-down direction, two blind holes 12 are formed in the corresponding positions of the end portion of the precast beam 2 and the side portion of the precast column 1, the blind holes 12 extend in the transverse direction of the precast beam 2, the third through holes 11 and the blind holes 12 are holes formed in the concrete beam column in advance, after a common bolt is inserted, the hole of the third through hole 11 is sealed, the end portion of the precast beam 2 and the first connecting piece 3 are fixedly connected through the vertical bolt 7, and therefore installation is convenient and rapid.
Second connecting piece 4 in this embodiment is located between two vertical bolts 7, so, convenient construction and fixed, of course, second connecting piece 4 prevents after for first connecting piece 3 destruction that the aftershock from destroying beam column overall stability and sets up, therefore the position of second connecting piece 4 can be confirmed according to actual need.
further, as shown in fig. 4, the first connecting member 3 includes a bottom plate 305, a first vertical plate 301, a second vertical plate 302, a first reinforcing plate 303 and a second reinforcing plate 304, the first vertical plate 301 and the second vertical plate 302 are arranged in parallel and vertically mounted on the bottom plate 305, in order to reinforce the stability between the first vertical plate 301, the second vertical plate 302 and the bottom plate 305, in an embodiment of the present invention, it is preferable that the first vertical plate 301 and the second vertical plate 302 are respectively welded on the bottom plate 305, the first reinforcing plate 303 is mounted on the upper side of the first vertical plate 301 and connected with the bottom plate 305, the second reinforcing plate 304 is mounted on the lower side of the second vertical plate 302 and connected with the bottom plate 305, in an embodiment of the present invention, it is preferable that the first reinforcing plate 303 and the second reinforcing plate 304 are both of right-angled triangles, and by using the stability of the triangles, two right-angled edges of the first reinforcing plate 303 are respectively connected with the first vertical plate 301 and the bottom plate 305, two right-angled edges of the second, therefore, the comprehensive strength of the first connecting piece 3 is further improved, the node quality is reliable, and meanwhile, the bearing capacity of the first connecting piece 3 can be enhanced. The upper side face of the end part of the precast beam 2 is abutted against the first vertical plate 301, and the lower side face of the end part of the precast beam 2 is abutted against the second vertical plate 302, so that the overall stability of the node is improved. In order to facilitate the rapid insertion of the precast beam 2 into the first connecting member 3, the distance between the first vertical plate 301 and the second vertical plate 302 may be slightly greater than the thickness of the precast beam 2.
in this embodiment, the left and right sides of the bottom plate in the first connecting member 3 are planes, so, one side of the bottom plate 305 can be well attached to the side of the precast column 1, the comprehensive strength of the connecting member is enhanced, the other side can be well attached to the end of the precast beam 2, and the reliability of the node quality is enhanced.
Further, a groove 8 is formed in one side, away from the precast beam 2, of the precast column 1, the groove 8 is arranged opposite to the first connecting piece 3, a backing plate 5 is installed in the groove 8, and the size of the backing plate 5 is matched with that of the groove 8. As shown in fig. 7, a third connecting hole 15 corresponding to the prefabricated column 1 is formed in the base plate 5, a first connecting hole 13 and a second connecting hole 14, through which the horizontal bolt 6 and the vertical bolt 7 pass, are correspondingly formed in the first connecting piece 3, specifically, a first connecting hole 13 corresponding to the first through hole 9 is formed in the bottom plate 305 of the first connecting piece 3, a second connecting hole 14 corresponding to the second through hole 10 is formed in the first vertical plate 301 and the second vertical plate 302, two ends of the horizontal bolt 6 and the vertical bolt 7 are respectively fastened and connected through nuts, the horizontal bolt 6 sequentially passes through the bottom plate 305 of the first connecting piece 3, the prefabricated column 1 and the base plate 5 are fastened together, and the comprehensive strength of the connecting node and the bearing capacity of the first connecting piece 3 are greatly improved. In this embodiment, preferably, an elastic gasket, such as a rigid gasket, is disposed between the first connecting member 3 and the nut, and after the nut compresses the rigid gasket, the nut is tightly attached to the bolt under the action of pre-tension, so that the nut is not loosened, fatigue damage of the connecting member is reduced, loosening of the nut due to vibration, movement and other reasons is prevented, and the shock resistance and energy consumption capability of the node is enhanced.
Furthermore, the first through hole 9, the second through hole 10, the third through hole 11 and the blind hole 12 are reserved through sleeves, in the embodiment of the invention, the sleeves are preferably PVC pipes, and the diameters of the PVC pipes are determined by the diameters of the high-strength bolts and the common bolts. Precast column 1 and precast beam 2 carry out the pre-buried and fixed of preformed hole entrance to a cave in reinforcement, when confirming the position and can not changing, temporarily seal the processing to the entrance to a cave, prevent to pour the in-process, the concrete gets into the preformed hole, influences the later stage and uses.
further, the lateral surface cladding of first connecting piece 3 has the polyethylene layer, prevents that the first connecting piece 3 outside from being affected by humid environment and causing the oxidation, influences first connecting piece 3's life.
Particularly, prefabricated post 1 is kept away from 2 one sides of precast beam and is offered recess 8 that is used for holding the backing plate, recess 8 and backing plate 5 looks adaptation, first through-hole 9 has been seted up on prefabricated post 1, set up on backing plate 5 and the first connecting piece 3 with the corresponding third connecting hole 15 of first through-hole 9, first connecting hole 13, backing plate 5, prefabricated post 1 and first connecting piece 3 are through horizontal bolt 6 fastening connection, the side of prefabricated post 1 between the tip of prefabricated beam 2 and the first connecting piece 3 is connected through second connecting piece 4, and second connecting piece 4 is on a parallel with precast beam 2's extending direction, second through-hole 10 has been seted up to the tip of prefabricated beam 2, set up on the first connecting piece 3 second connecting hole 14 corresponding with second through-hole 10, the tip of prefabricated beam 2 and first connecting piece 3 are through vertical bolt 7 fastening connection.
The invention also provides a connecting method of the detachable connecting nodes between the beams and the columns, which comprises the following steps:
step S1, preparing a precast column 1 and a precast beam 2;
The sleeve of the first through hole 9 and the sleeve of the blind hole 12 are pre-buried in the precast column 1, the sleeve of the second through hole 10 and the sleeve of the third through hole 11 are pre-buried in the precast beam 2, and the groove 8 is formed in one side, far away from the precast beam 2, of the precast column 1.
step S2, connecting a first connecting piece 3 with the prefabricated column 1;
a first connecting hole 13 and a second connecting hole 14 corresponding to the first through hole 9 and the second through hole 10 are respectively formed in the first connecting piece 3, a third connecting hole 15 corresponding to the first through hole 9 is formed in the backing plate 5, the backing plate 5 is installed in the groove 8, the first connecting piece 3 is installed on the side face of the prefabricated column 1, the first through hole 9, the first connecting hole 13 of the first connecting piece 3 and the third connecting hole 15 of the backing plate correspond to each other, and the first connecting piece 3 penetrates through the transverse bolt 6 and is fixed by nuts.
step S3, connecting the precast beam 2 with the first connecting member 3;
and a common bolt is inserted into the third through hole 11, a common bolt on the side surface of the precast beam 2 is inserted into a blind hole 12 on the side surface of the precast column 1, and a second through hole 10 on the end part of the precast beam 2 corresponds to a second connecting hole 14 on the first connecting piece 3, penetrates through the vertical bolt 7 and is fixed by a nut.
in the concrete construction application, firstly, a concrete precast column 1, a concrete precast beam 2, a first connecting piece 3, a second connecting piece 4, a backing plate 5 and a high-strength bolt with a nut are precast by a manufacturer, and are directly installed on site by being transported to the site.
in conclusion, the detachable connecting node between the beam columns and the connecting method provided by the invention complete the construction of the connecting node between the beam columns by directly assembling the precast columns and the precast beams on site, are convenient and rapid, have high overall comprehensive strength and good anti-seismic performance, the first connecting piece and the base plate are matched for use, so that the comprehensive strength of the first connecting piece is further increased, the quality of the node is reliable, the bearing capacity of the first connecting piece can be enhanced, the precast columns and the precast beams are connected through the high-strength bolts, the degeneration capacity of the node is improved, and the anti-seismic energy consumption capacity of the node is enhanced.
The above description is only exemplary of the invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the invention is intended to be covered by the appended claims.
Claims (10)
1. a detachable connected node between roof beam post, its characterized in that, connected node includes:
The prefabricated column is detachably connected with a prefabricated beam;
the end part of the precast beam is detachably connected to the precast column through a connecting piece;
A connector, the connector comprising:
The two sides of the first connecting piece are detachably connected to the precast columns and the precast beams respectively;
And one end of the second connecting piece is positioned in the prefabricated column, the other end of the second connecting piece is positioned in the prefabricated beam, and the second connecting piece is perpendicular to the prefabricated column and parallel to the prefabricated beam.
2. The beam-column detachable connection node according to claim 1, wherein the side surface of the precast column is detachably connected to the first connecting member through a transverse bolt, the end portion of the precast beam is detachably connected to the first connecting member through a vertical bolt, the transverse bolt is located in the precast column, and the vertical bolt is located in the precast column;
the transverse bolts and the vertical bolts are high-strength bolts;
The second connecting piece is a common bolt.
3. The detachable connecting joint between beam columns according to claim 2, wherein the precast column is provided with two rows of first through holes along the horizontal direction, the end of the precast beam is provided with second through holes for the vertical bolts to pass through, and the high-strength bolt passes through the first through hole and the second through hole and then is fastened and connected with the first connecting piece through a nut.
4. The beam-column detachable connecting node according to claim 3, wherein two third through holes are formed in the side portion of the connecting portion of the precast column and the precast beam in the vertical direction, two blind holes are formed in the corresponding positions of the end portion of the precast beam and the side portion of the precast column, the blind holes extend in the transverse direction of the precast beam, and the second connecting member is inserted into the blind holes to seal and fix the openings of the third through holes;
The end part of the precast beam is fixedly connected with the first connecting piece through the vertical bolt.
5. The beam-column detachable connecting node according to claim 4, wherein the first connecting member comprises a bottom plate, a first vertical plate, a second vertical plate, a first reinforcing plate and a second reinforcing plate;
the first vertical plate and the second vertical plate are oppositely arranged in parallel and are vertically arranged on the bottom plate, the plurality of first reinforcing plates are arranged on the upper side surface of the first vertical plate and are connected with the bottom plate, and the plurality of second reinforcing plates are arranged on the lower side surface of the second vertical plate and are connected with the bottom plate;
the bottom plate is provided with a first connecting hole corresponding to the first through hole, and the first vertical plate and the second vertical plate are respectively provided with a second connecting hole corresponding to the second through hole;
the upper side surface of the end part of the precast beam abuts against the first vertical plate, and the lower side surface of the end part of the precast beam abuts against the second vertical plate;
Preferably, the first reinforcing plate and the second reinforcing plate are each in the shape of a right triangle.
6. the beam-column detachable connection node as claimed in claim 5, wherein a groove is formed on one side of the precast column away from the precast beam, the groove is opposite to the first connection member, and a backing plate is fittingly installed in the groove.
7. the beam-column detachable connecting joint according to claim 6, wherein the base plate is provided with a third connecting hole corresponding to the precast column;
the first connecting piece is correspondingly provided with a first connecting hole and a second connecting hole for accommodating the transverse bolt and the vertical bolt to pass through, and two ends of the transverse bolt and two ends of the vertical bolt are respectively fastened and connected through the nut;
the base plate, the prefabricated column and the first connecting piece are fixedly connected through the transverse bolt;
preferably, an elastic gasket is arranged between the first connecting piece and the nut.
8. The beam-column detachable connection node according to claim 7, wherein the first through hole, the second through hole, the third through hole and the blind hole are reserved through sleeves;
preferably, the sleeve is a PVC pipe.
9. A beam-column detachable connection node according to claim 1, wherein the outer side of said first connection member is coated with a polyethylene layer.
10. a method for connecting detachable connecting nodes between beams and columns is characterized by comprising the following steps:
Step S1, preparing precast columns and precast beams, wherein step S1 specifically includes the following steps:
step S101, respectively embedding a first through hole sleeve and a sleeve of a blind hole in a prefabricated column;
step S102, respectively embedding a sleeve of a second through hole and a sleeve of a third through hole in a precast beam;
step S103, forming a groove on one side of the precast column, which is far away from the precast beam;
Step S2, connecting the first connecting member to the prefabricated column, wherein step S2 specifically includes the steps of:
step S201, respectively forming a first connecting hole and a second connecting hole corresponding to the first through hole and the second through hole on a first connecting piece, and forming a third connecting hole corresponding to the first through hole on a backing plate;
Step S202, installing a base plate in the groove, installing a first connecting piece on the side face of the prefabricated column, enabling the first through hole, the first connecting hole of the first connecting piece and the third connecting hole of the base plate to correspond to each other, penetrating through a transverse bolt and fixing the transverse bolt by using a nut;
step S3, connecting the precast beam with the first connecting member, wherein step S3 specifically includes the steps of:
s301, inserting common bolts into the third through holes, and inserting the common bolts on the side surfaces of the precast beams into the side surface blind holes of the precast columns;
and S302, enabling a second through hole at the end part of the precast beam to correspond to a second connecting hole on the first connecting piece, and penetrating through a vertical bolt to be fixed by a nut.
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| CN201910967058.6A CN110565810A (en) | 2019-10-12 | 2019-10-12 | Detachable connecting node between beam columns and connecting method |
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| CN201910967058.6A CN110565810A (en) | 2019-10-12 | 2019-10-12 | Detachable connecting node between beam columns and connecting method |
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| CN110565810A true CN110565810A (en) | 2019-12-13 |
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| CN111075015A (en) * | 2020-03-02 | 2020-04-28 | 扬州大学 | Socket joint type prefabricated steel-concrete joint |
| CN111980174A (en) * | 2020-08-28 | 2020-11-24 | 河南方元建筑工程有限公司 | Fabricated building and construction method thereof |
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