CN113789854B - Fully-assembled beam-column joint based on groove-type UHPC splicing component and manufacturing method thereof - Google Patents
Fully-assembled beam-column joint based on groove-type UHPC splicing component and manufacturing method thereof Download PDFInfo
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- CN113789854B CN113789854B CN202111029002.XA CN202111029002A CN113789854B CN 113789854 B CN113789854 B CN 113789854B CN 202111029002 A CN202111029002 A CN 202111029002A CN 113789854 B CN113789854 B CN 113789854B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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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
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Abstract
The invention provides a fully assembled beam column node based on a groove type UHPC splicing component and a manufacturing method thereof, wherein the method comprises the following steps: the prefabricated channel beam comprises a beam body and end plates arranged at the end parts of the beam body; the prefabricated groove type column comprises a column body, a prefabricated cavity and a bolt hole, wherein the prefabricated cavity and the bolt hole are formed in the column body; the bolt rod is used for connecting the groove-shaped column and the groove-shaped beam; and the angle steel is used for connecting the groove-shaped column and the groove-shaped beam. All the connecting parts can be produced in a standardized manner in a factory, are connected by using bolts in national standards, do not need a welding process, and are simple and convenient to operate and convenient and quick to construct.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a fully-assembled beam-column joint based on a groove type UHPC splicing component and a manufacturing method thereof.
Background
The prefabricated building refers to a building assembled on a construction site by using prefabricated components. The building has the advantages of high construction speed, small restriction by climatic conditions, labor saving, building quality improvement, industrialized production of components in factories, direct installation on construction sites, convenience, quickness and construction period shortening.
With the further advocation of low carbon and environmental protection in China and the increasing demand of people for high-quality construction, the fabricated concrete building has wider development space.
The member is made of ultra-high performance concrete (UHPC) material, has ultra-high mechanical property and durability, and has the characteristics of small self weight, good toughness, high durability, large design freedom, accordance with sustainable development and the like.
Disclosure of Invention
The invention provides a fully assembled beam-column node based on a groove type UHPC splicing component and a manufacturing method thereof, aiming at enabling the fully assembled beam-column node structure to be rapidly produced in a factory and combining an H-shaped beam and a hollow column by splicing, so that the construction time is saved, the node is convenient to install, and the mechanical property and the durability of the node structure are greatly improved. The specific technical scheme is as follows:
a fully assembled beam column node based on cell type UHPC concatenation component includes:
the prefabricated channel beam comprises a beam body and end plates arranged at the end parts of the beam body;
the prefabricated groove type column comprises a column body, a prefabricated cavity, a bolt hole II and a bolt hole III, wherein the prefabricated cavity, the bolt hole II and the bolt hole III are arranged in the column body;
the bolt rod I is used for connecting the prefabricated channel beam;
the bolt rod II is used for connecting the prefabricated groove-shaped columns;
the bolt rod III is used for connecting the prefabricated groove-shaped column and the prefabricated groove-shaped beam;
and the angle steel is used for connecting the prefabricated groove-shaped column and the prefabricated groove-shaped beam.
Further, a web plate of the prefabricated groove-shaped beam is provided with a bolt rib I, and a bolt hole I is reserved in the bolt rib I; and the bolt rod I is arranged in the bolt hole I. The bearing capacity and the stability of roof beam have been improved through setting up bolt rib I.
Furthermore, the connecting part of the column body of the prefabricated groove-shaped column and the prefabricated groove-shaped beam is completely solid, a solid part can be arranged according to the requirement, and a bolt hole III is arranged; a bolt rod III which is arranged in the bolt hole III;
further, a web plate of the prefabricated groove-shaped column is also provided with a bolt rib II, and a bolt hole II is formed in the bolt rib II; and the bolt rod II is arranged in the bolt hole II. The bolts are high-strength bolts.
Furthermore, the node of the fully assembled beam column is provided with an upper angle steel and a lower angle steel, and the connection mode of the node of the fully assembled beam column adopts a bolt connection mode.
Further, the bolt rib I of the prefabricated channel beam is made of UHPC materials, so that the possibility of bolt splicing is provided, and the overall performance of the beam is improved.
Further, the end plate includes upper junction plate, lower connecting plate, side connecting plate and connection end plate, all is equipped with the bolt hole on upper junction plate, lower connecting plate, side connecting plate and the connection end plate, upper junction plate and lower connecting plate parallel arrangement, the side connecting plate with connection end plate all sets up the upper junction plate with be used for connecting down between the connecting plate the upper junction plate with lower connecting plate, perpendicular setting each other between upper junction plate, side connecting plate and the connection end plate, perpendicular setting each other between lower connecting plate, side connecting plate and the connection end plate.
Furthermore, the ends of the main ribs on the upper side and the lower side in the prefabricated groove beam are bent and rolled with threads, and the main ribs are used for connecting the end plates with the angle steel.
Furthermore, the prefabricated groove-shaped beams are used as the main body parts of the beams, and the prefabricated groove-shaped beams are connected through the bolt rods I in the bolt holes I and are divided into two effective splicing modes, namely a cavity back on the back and a cavity in opposite directions. The cavities of the two sections of prefabricated groove-shaped beams are opposite, and are connected by bolts to form an H-shaped beam; the cavities of the two sections of prefabricated groove-shaped columns face to each other and are connected through bolts to form a rectangular hollow column.
Furthermore, the connecting parts between the prefabricated channel beams are subjected to roughening treatment, and bonding materials are coated on the contact surfaces.
Furthermore, the prefabricated channel beams are connected through bolts by the aid of bolt rods I penetrating through bolt holes I in the bolt ribs I, nuts and corresponding construction spaces are reserved at corresponding positions of the bolt ribs I or the bolt holes I, grouting is performed after the bolts are connected, and the prefabricated channel beams are guaranteed to be flat in surface and free of protruding bolts.
Further, the main reinforcement end of the upper side of the prefabricated groove-shaped beam sequentially penetrates through bolt holes in one side of an upper connecting plate and an upper angle steel to enable bolt connection to be achieved between the upper angle steel, the upper connecting plate and the prefabricated groove-shaped beam, the main reinforcement end of the lower side of the prefabricated groove-shaped beam sequentially penetrates through bolt holes in one side of a lower connecting plate and one side of a lower angle steel to enable bolt connection to be achieved between the lower connecting plate and the prefabricated groove-shaped beam, the other side of the upper angle steel is connected with the prefabricated groove-shaped beam through a bolt rod III, the bolt rod III penetrates through a cylinder bolt hole III of the prefabricated groove-shaped column to achieve bolt connection, and connecting end plates of the prefabricated groove-shaped beams on the two sides of the prefabricated groove-shaped column are connected with the prefabricated groove-shaped column through a bolt rod III. The connection mode adopts the mode that upper and lower angle steels are added at the joints, so that the shearing force and the bending moment of the beam end can be transferred.
Furthermore, the concrete material used by the precast groove-shaped columns and the precast groove-shaped beams is UHPC.
The invention also provides a method for manufacturing the fully assembled beam-column joint, which comprises the following steps:
step S1, prefabricating the prefabricated channel beam and the prefabricated channel column with corresponding sizes, and corresponding bolt rods I, II and III in a factory, wherein the steps comprise designing sections of the prefabricated channel beam with different sizes according to requirements; bending main reinforcement ends at the upper side and the lower side of a prefabricated channel beam body, rolling threads, binding main reinforcements and stirrups on the prefabricated channel beam body with end plates arranged at the end parts of the beam body, and then erecting a mold to pour concrete to form the prefabricated channel beam body, wherein no stirrup is arranged at a bolt rib I part of the prefabricated channel beam;
s2, cavities of the two sections of prefabricated groove-shaped beams are opposite, and the bolt rods I are connected through the bolt holes I in the bolt ribs I of the two sections of prefabricated groove-shaped beams to form H-shaped beams; the two sections of prefabricated groove-shaped column cavities are opposite, and the bolt rod II is connected into a hollow column through the bolt hole II in the bolt rib II of the two sections of prefabricated groove-shaped columns; then grouting the bolt holes of the prefabricated groove-shaped beam and the prefabricated groove-shaped column to ensure that the surfaces are smooth;
s3, chiseling the connecting part of the hollow column and the H-shaped beam, and roughening the surface of an end plate of the H-shaped beam; the adhesive is coated on the splicing contact surface of the two sections of prefabricated groove-shaped beams and the splicing contact surface of the two sections of prefabricated groove-shaped columns so as to seal the gap and prevent moisture from entering cavities of the H-shaped beams and the hollow columns, and the durability of the structure is improved;
s4, respectively arranging lower angle steels on two sides of the hollow column, connecting one side of each of the 2 lower angle steels and the hollow column at a corresponding position through the bolt rod III, arranging the H-shaped beam on the lower angle steels on the two sides, and enabling the end head of the main reinforcement on the lower side of the H-shaped beam to sequentially penetrate through a lower connecting plate of the H-shaped beam and a bolt hole on the other side of the lower angle steel to realize bolt connection;
s5, connecting end plates of the H-shaped beams on the two sides of the hollow column through bolts III and penetrating through bolt holes III of the hollow column for bolt connection;
and S6, arranging upper angle steels on the upper surfaces of the H-shaped beams on the two sides of the hollow column, enabling the ends of main ribs on the upper side of the H-shaped beams to sequentially penetrate through an upper connecting plate of the H-shaped beam and bolt holes on one side of the upper angle steels so that the upper angle steels are in bolted connection with the H-shaped beams, and enabling the other sides of the 2 upper angle steels to penetrate through bolt holes III of the hollow column through bolt rods III so as to be in bolted connection, thereby forming a fully-assembled beam column node structure.
Compared with the prior art, the invention has the following beneficial technical effects:
1. all the connecting parts can be produced in a standardized manner in a factory, are connected by using bolts in national standards, do not need a welding process, and are simple and convenient to operate and convenient and quick to construct.
2. When the prefabricated channel beam is poured, a pore channel for installing the bolt is reserved in advance, and the prefabricated channel beam is quickly and efficiently connected through the bolt during field assembly. No wet operation is needed, the process is simplified, and the method is environment-friendly and energy-saving.
3. The prefabricated groove beam main rib end is firmly connected with the end plate, so that the prefabricated groove beam and the end plate are good in integrity.
4. And upper and lower angle steels are arranged at the joints of the beam column, so that the construction is more convenient.
5. The prefabricated H-shaped beam and the prefabricated column are made of UHPC materials, so that the structural strength is high, the durability is good, the size of the component is small, and the hoisting is convenient.
6. Bolt bar I, bolt bar II and bolt bar III in the cell type concatenation beam column bolt hole are removable, are convenient for restore.
Drawings
FIG. 1 is a schematic view of a fully assembled groove-type spliced H-beam;
FIG. 2 is a schematic view of a fully assembled groove-type spliced hollow column;
FIG. 3 is a schematic view of a fully fabricated beam-column joint construction;
FIG. 4 is a perspective view of a fully assembled beam-column joint configuration;
FIG. 5 is a schematic structural view of an end plate in a fully assembled beam-column joint structure;
fig. 6 is a schematic diagram of angle steel in a fully-assembled beam-column joint structure.
Reference numerals are as follows:
1-1-beam body, 1-2-end plate, 1-3-bolt hole I, 1-4-bolt rod I, 1-5-main rib end, 1-6-bolt rib I, 2-1-column, 2-2-bolt hole II, 2-3-bolt rod II, 2-4-bolt rib II, 3-1-H beam, 3-2-hollow column, 3-3-angle steel, 3-4-bolt rod III, 5-1-upper connecting plate, 5-2-lower connecting plate, 5-3-side connecting plate, 5-4-connecting end plate and 5-5-bolt hole.
Detailed Description
To make the objects, technical solutions and advantages of the present application more apparent, the present application is further described with reference to fig. 1-6.
1-3, a fully assembled beam-column joint based on a groove type UHPC splicing member comprises:
the prefabricated channel beam comprises a beam body 1-1 and an end plate 1-2 arranged at the end part of the beam body;
the prefabricated groove type column comprises a column body 2-1, and a prefabricated cavity, a bolt hole II 2-2 and a bolt hole III which are arranged on the column body 2-1;
the bolt rods I1-4 are used for connecting the prefabricated channel beams;
the bolt rod II 2-3 is used for connecting the prefabricated groove-shaped column;
the bolt rods III 3-4 are used for connecting the prefabricated groove-shaped columns and the prefabricated groove-shaped beams;
and the angle steel is used for connecting the prefabricated groove-shaped column and the prefabricated groove-shaped beam.
Further, a web plate of the prefabricated groove-shaped beam is provided with bolt ribs I1-6, and bolt holes I1-3 are reserved in the web plate; and bolt rods I1-4 are arranged in the bolt holes I1-3. The bearing capacity and stability of the beam are improved by arranging the bolt ribs I1-6.
The bolt ribs I1-6 are arranged during pouring of the prefabricated groove beam, reinforcing steel bars are not arranged at the positions of the bolt ribs I1-6, and two bolt holes I1-3 are reserved to facilitate splicing of the beam; meanwhile, bolt ribs I1-6 with different intervals and different thicknesses can be arranged according to different positions and stress, so that the utilization rate of materials is improved;
furthermore, the connecting part of the column body of the prefabricated groove-shaped column and the prefabricated groove-shaped beam is completely solid or provided with a solid part according to the requirement, and a bolt hole III is arranged; bolt rods III 3-4 are placed in the bolt holes III;
the web plate of the prefabricated groove type column is also provided with bolt ribs II 2-4, and bolt holes II 2-2 are formed in the web plate; and the bolt rod II 2-3 is arranged in the bolt hole II 2-2. The bolts are high-strength bolts.
Furthermore, angle steel down are equipped with to full assembled beam column node, bolted connection is adopted to full assembled beam column nodal connection mode.
Further, the bolt ribs I1-6 of the precast channel beam are made of UHPC material, so that the possibility of bolt splicing is provided, and the overall performance of the beam is improved.
Further, the end plate comprises an upper connecting plate 5-1, a lower connecting plate 5-2, a side connecting plate 5-3 and a connecting end plate 5-4, bolt holes are formed in the upper connecting plate 5-1, the lower connecting plate 5-2, the side connecting plate 5-3 and the connecting end plate 5-4, the upper connecting plate 5-1 and the lower connecting plate 5-2 are arranged in parallel, the side connecting plate 5-3 and the connecting end plate 5-4 are arranged between the upper connecting plate 5-1 and the lower connecting plate 5-2 and used for connecting the upper connecting plate 5-1 and the lower connecting plate 5-2, the upper connecting plate 5-1, the side connecting plate 5-3 and the connecting end plate 5-4 are arranged perpendicularly to each other, and the lower connecting plate 5-1, the side connecting plate 5-3 and the connecting end plate 5-4 are arranged perpendicularly to each other.
The upper connecting plate and the lower connecting plate of the prefabricated groove-shaped beam end plate are provided with bolt holes, so that the prefabricated groove-shaped beam main rib can be connected with the angle steel through the bolt holes, and the overall performance is improved; and (4) performing rough treatment on the surface of the end plate of the prefabricated groove type beam to increase the friction force.
Furthermore, the ends 1-5 of the main ribs on the upper side and the lower side in the prefabricated channel beam are bent and rolled with threads to connect the end plates 1-2 and the angle steels 3-3.
Furthermore, the prefabricated groove-shaped beams are used as the main body parts of the beams, and the prefabricated groove-shaped beams are connected through bolt rods I1-4 in the bolt holes I1-3 and are divided into two effective splicing modes, namely a cavity back to back and a cavity opposite. The cavities of the two sections of prefabricated groove-shaped beams are opposite, and are connected by bolts to form an H-shaped beam; the cavities of the two sections of prefabricated channel beams are opposite and connected by bolts to form the rectangular hollow beam.
Furthermore, roughening treatment is carried out on the connecting part between the prefabricated channel beams, and bonding materials are coated on the contact surface.
Furthermore, the prefabricated groove-shaped beams are connected through bolts by penetrating the bolt rods I1-4 through the bolt holes I1-3 in the bolt ribs I1-6, nuts and corresponding construction spaces are reserved at the positions corresponding to the bolt ribs I1-6 or the bolt holes I1-3, and the prefabricated groove-shaped beams are filled with grouting after being connected through the bolts, so that the surfaces of the prefabricated groove-shaped beams are smooth and are free of protruding bolts.
Furthermore, the main reinforcement end 1-5 on the upper side of the prefabricated groove beam sequentially penetrates through bolt holes in an upper connecting plate 5-1 and one side of upper angle steel to enable bolt connection among the upper angle steel, the upper connecting plate and the prefabricated groove beam, the main reinforcement end on the lower side of the prefabricated groove beam sequentially penetrates through bolt holes in a lower connecting plate and one side of lower angle steel to enable bolt connection among the lower angle steel, the lower connecting plate and the prefabricated groove beam, the other side of the upper angle steel penetrates through a cylinder bolt hole III of the prefabricated groove column through a bolt rod III 3-4 to enable bolt connection, the other side of the lower angle steel penetrates through a cylinder bolt hole III of the prefabricated groove column through a bolt rod III 3-4 to enable bolt connection, and connecting end plates of the prefabricated groove beams on the two sides of the prefabricated groove column penetrate through the cylinder bolt holes III of the prefabricated groove column through the bolt rods III 3-4 to enable bolt connection. The connection mode adopts the mode that upper and lower angle steels are added at the joints, so that the shearing force and the bending moment of the beam end can be transferred.
Furthermore, the concrete material used by the precast groove-shaped columns and the precast groove-shaped beams is UHPC. The UHPC has high durability, ultrahigh compression resistance, tensile strength and high toughness, the size of the beam section can be reduced in the embodiment, the space is saved, and meanwhile, the high compression resistance of the UHPC is utilized by prefabricating the channel beam section.
The invention also provides a method for manufacturing the fully assembled beam-column joint, which comprises the following steps:
step S1, prefabricating the prefabricated channel beam and the prefabricated channel column with corresponding sizes, and corresponding bolt rods I1-4, bolt rods II 2-3 and bolt rods III 3-4 in a factory, wherein the steps comprise designing sections of the prefabricated channel beam with different sizes according to requirements; bending up and rolling threads on the main reinforcement ends 1-5 at the upper side and the lower side in the prefabricated channel beam body, binding the main reinforcement and the stirrup on the prefabricated channel beam body together with an end plate arranged at the end part of the beam body, erecting a mold and pouring concrete to form the prefabricated channel beam body, wherein the stirrup is not arranged at the bolt rib I part of the prefabricated channel beam;
s2, cavities of the two sections of prefabricated groove-shaped beams are opposite, and the bolt rods I1-4 are connected through the bolt holes I1-3 in the bolt ribs I1-6 of the two sections of prefabricated groove-shaped beams to form H-shaped beams; the cavities of the two sections of prefabricated groove-shaped columns are opposite, and the bolt rods II 2-3 are connected into a hollow column through the bolt holes II 2-2 in the bolt ribs II 2-4 of the two sections of prefabricated groove-shaped columns; grouting the bolt holes I1-3 and the bolt holes II 2-2 of the prefabricated groove-shaped beams and the prefabricated groove-shaped columns to ensure that the surfaces are smooth;
s3, chiseling the connecting part of the hollow column and the H-shaped beam, and roughening the surface of an end plate of the H-shaped beam; the adhesive is coated on the splicing contact surface of the two sections of prefabricated groove-shaped beams and the splicing contact surface of the two sections of prefabricated groove-shaped columns so as to seal the gap and prevent moisture from entering cavities of the H-shaped beams and the hollow columns, and the durability of the structure is improved;
s4, respectively arranging lower angle steels on two sides of the hollow column, connecting one side of each of 2 lower angle steels and the hollow column at corresponding positions through the bolt rods III 3-4, arranging the H-shaped beam on the lower angle steels on the two sides, sequentially penetrating the main reinforcement end head on the lower side of the H-shaped beam through a lower connecting plate of the H-shaped beam and a bolt hole on the other side of the lower angle steel to realize bolt connection,
s5, enabling connecting end plates of the H-shaped beams on the two sides of the hollow column to penetrate through bolt holes III of the hollow column through bolt rods III 3-4 for bolt connection;
and S6, arranging upper angle steels on the upper surfaces of the H-shaped beams on the two sides of the hollow column, enabling the ends of main ribs on the upper side of the H-shaped beams to sequentially penetrate through an upper connecting plate of the H-shaped beam and bolt holes on one side of the upper angle steels so that the upper angle steels are in bolted connection with the H-shaped beams, and enabling the other sides of the 2 upper angle steels to penetrate through bolt holes III of the hollow column through bolt rods III 3-4 so as to be in bolted connection, thereby forming a fully-assembled beam column node structure.
Due to the special design of the prefabricated groove-shaped beam, the bolt rods I1-4 and the steel bars bear tensile stress, and the anti-seismic performance is better; when the structure is damaged, the prefabricated groove type beam column, the bolt rods I1-4, the bolt rods II 2-3 and the bolt rods III 3-4 can be replaced due to the fact that the beam and the column are all assembled components, and repair after damage is facilitated.
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 to the embodiment of the present invention 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 (5)
1. A method for manufacturing a fully assembled beam column node based on a groove type UHPC splicing member is characterized by comprising the following steps of:
full assembled beam column node based on cell type UHPC concatenation component includes:
the prefabricated channel beam comprises a beam body and end plates arranged at the end parts of the beam body;
the prefabricated groove type column comprises a column body, a prefabricated cavity, a bolt hole II and a bolt hole III, wherein the prefabricated cavity, the bolt hole II and the bolt hole III are arranged in the column body;
the bolt rod I is used for connecting the prefabricated channel beam;
the bolt rod II is used for connecting the prefabricated groove-shaped columns;
the bolt rod III is used for connecting the prefabricated groove-shaped column and the prefabricated groove-shaped beam;
angle steel for connecting the prefabricated groove-shaped column and the prefabricated groove-shaped beam;
a web plate of the prefabricated groove-shaped beam is provided with a bolt rib I, and a bolt hole I is reserved in the bolt rib I; the bolt rod I is arranged in the bolt hole I; the bolt rib I is made of UHPC materials, so that the possibility of bolt splicing is provided, and the overall performance of the beam is improved;
the connecting part of the column body of the prefabricated groove-shaped column and the prefabricated groove-shaped beam is completely solid or provided with a solid part according to the requirement, and a bolt hole III is arranged; a bolt rod III which is arranged in the bolt hole III;
the web plate of the prefabricated groove type column is also provided with a bolt rib II, and a bolt hole II is formed in the bolt rib II; the bolt rod II is arranged in the bolt hole II;
the end plates comprise upper connecting plates, lower connecting plates, side connecting plates and connecting end plates, bolt holes are formed in the upper connecting plates, the lower connecting plates, the side connecting plates and the connecting end plates, the upper connecting plates and the lower connecting plates are arranged in parallel, the side connecting plates and the connecting end plates are arranged between the upper connecting plates and the lower connecting plates and used for connecting the upper connecting plates and the lower connecting plates, the upper connecting plates, the side connecting plates and the connecting end plates are arranged vertically, and the lower connecting plates, the side connecting plates and the connecting end plates are arranged vertically;
the main reinforcement ends on the upper side and the lower side in the prefabricated channel beam are bent and rolled with threads, and are used for connecting the end plates with the angle steel;
the prefabricated channel beams are used as the main body parts of the beams, and are connected through bolt rods I in the bolt holes I, so that the prefabricated channel beams are divided into two effective splicing modes of cavity facing and cavity back-to-back;
the method comprises the following steps:
step S1, prefabricating the prefabricated channel beam and the prefabricated channel column with corresponding sizes, and corresponding bolt rods I, II and III in a factory, wherein the steps comprise designing sections of the prefabricated channel beam with different sizes according to requirements; bending main reinforcement ends at the upper side and the lower side of a prefabricated channel beam body, rolling threads, binding main reinforcements and stirrups on the prefabricated channel beam body with end plates arranged at the end parts of the beam body, and then erecting a mold to pour concrete to form the prefabricated channel beam body, wherein no stirrup is arranged at a bolt rib I part of the prefabricated channel beam;
s2, enabling the cavities of the two sections of prefabricated channel beams to be opposite, and connecting the bolt rods I through the bolt holes I in the bolt ribs I of the two sections of prefabricated channel beams to form an H-shaped beam; the two sections of prefabricated groove-shaped column cavities are opposite, and the bolt rod II is connected into a hollow column through the bolt hole II in the bolt rib II of the two sections of prefabricated groove-shaped columns; grouting the bolt holes I and the bolt holes II of the prefabricated groove-shaped beams and the prefabricated groove-shaped columns to ensure that the surfaces are smooth;
s3, chiseling the connecting part of the hollow column and the H-shaped beam, and roughening the surface of an end plate of the H-shaped beam; coating adhesives on the joint surfaces of the two sections of prefabricated groove-shaped beams and the joint surfaces of the two sections of prefabricated groove-shaped columns to seal gaps and prevent moisture from entering cavities of the H-shaped beams and the hollow columns to influence the durability of the structure;
s4, respectively arranging lower angle steels on two sides of the hollow column, connecting one side of each of the 2 lower angle steels and the hollow column at a corresponding position through the bolt rod III, arranging the H-shaped beam on the lower angle steels on the two sides, and enabling the end head of the main reinforcement on the lower side of the H-shaped beam to sequentially penetrate through a lower connecting plate of the H-shaped beam and a bolt hole on the other side of the lower angle steel to realize bolt connection;
s5, connecting end plates of the H-shaped beams on the two sides of the hollow column penetrate through a bolt hole III of the hollow column through a bolt rod III to be connected through a bolt;
and S6, arranging upper angle steels on the upper surfaces of the H-shaped beams on the two sides of the hollow column, enabling the ends of main ribs on the upper side of the H-shaped beams to sequentially penetrate through an upper connecting plate of the H-shaped beam and bolt holes on one side of the upper angle steels so that the upper angle steels are in bolted connection with the H-shaped beams, and enabling the other sides of the 2 upper angle steels to penetrate through bolt holes III of the hollow column through bolt rods III so as to be in bolted connection, thereby forming a fully-assembled beam column node structure.
2. The method for manufacturing the fully assembled beam column joint based on the groove-shaped UHPC splicing member as claimed in claim 1, wherein the method comprises the following steps:
and the joints of the fully-assembled beam columns are provided with upper angle steel and lower angle steel, and the joints of the fully-assembled beam columns are connected by bolts.
3. The method for manufacturing the fully assembled beam column joint based on the groove-shaped UHPC splicing member as claimed in claim 2, wherein the method comprises the following steps:
the concrete material used by the precast groove-shaped columns and the precast groove-shaped beams is UHPC; and (4) roughening the connecting parts between the prefabricated channel beams, and coating adhesive on the contact surfaces.
4. A method for manufacturing a fully assembled beam column node based on a groove type UHPC splice member according to any one of claims 1-3, wherein:
the prefabricated groove-shaped beams are connected through bolts by the aid of bolts, the bolts penetrate through the bolt holes I in the bolt ribs I, nuts are reserved in corresponding positions of the bolt ribs I or the bolt holes I, corresponding construction spaces are reserved, grouting is performed after the bolts are connected, the groove-shaped beams are guaranteed to be flat in surface, and no protruding bolts exist.
5. The method for manufacturing the fully assembled beam column node based on the groove-shaped UHPC splicing member as claimed in any one of claims 1-3, wherein the method comprises the following steps:
the main muscle end of prefabricated grooved beam upside passes the bolt hole of upper junction plate and upper angle steel one side in proper order and makes and realize bolted connection between angle steel, upper junction plate and the prefabricated grooved beam, the main muscle end of prefabricated grooved beam downside passes the bolt hole of connecting plate and lower angle steel one side in proper order and makes down angle steel realize bolted connection between lower junction plate and the prefabricated grooved beam, go up the angle steel opposite side and pass through shank of bolt III passes the cylinder bolt hole III of prefabricated grooved column carries out bolted connection, the angle steel opposite side passes through shank of bolt III passes the cylinder bolt hole III of prefabricated grooved column carries out bolted connection, the connection end plate of the prefabricated grooved beam of prefabricated grooved column both sides passes through shank of bolt III passes the cylinder bolt hole III of prefabricated grooved column carries out bolted connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109235222B (en) * | 2018-10-17 | 2020-04-14 | 湖南大学 | Light full-assembly type large cantilever ultrahigh-performance concrete finned beam and construction method thereof |
| CN212153701U (en) * | 2020-02-16 | 2020-12-15 | 重庆大学 | Novel assembly type cold-formed thick-wall section steel unilateral bolt connecting beam column joint |
| CN112095811A (en) * | 2020-09-30 | 2020-12-18 | 福建工程学院 | Adopt bolted connection's assembled concrete frame roof beam post trunk formula connected node |
| CN213837010U (en) * | 2020-10-30 | 2021-07-30 | 洪都建设集团有限公司 | Full-assembly type concrete beam column joint device based on top and bottom angle steel connection |
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