CN115233813A - Beam with clamping connection plate - Google Patents
Beam with clamping connection plate Download PDFInfo
- Publication number
- CN115233813A CN115233813A CN202210816189.6A CN202210816189A CN115233813A CN 115233813 A CN115233813 A CN 115233813A CN 202210816189 A CN202210816189 A CN 202210816189A CN 115233813 A CN115233813 A CN 115233813A
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- concrete
- connecting plate
- clamping
- column
- steel
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- 239000004567 concrete Substances 0.000 claims abstract description 102
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 89
- 239000010959 steel Substances 0.000 claims abstract description 89
- 238000011065 in-situ storage Methods 0.000 claims abstract description 5
- 239000011178 precast concrete Substances 0.000 claims description 47
- 239000002131 composite material Substances 0.000 claims description 16
- 210000003205 muscle Anatomy 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000012994 industrial processing Methods 0.000 abstract 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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
- E04B1/18—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
- E04B1/18—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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a beam with a clamping connection plate, wherein the two ends of the beam are provided with the connection plates, and the connection plates are used for being clamped and connected with related parts of a main body and are cast with concrete in situ to form a whole; the steel pipe concrete column, the concrete beam and the precast slab can be processed in factories, the beam column is assembled and constructed on site through a clamping structure on site, the precast slab and the concrete beam are assembled and lapped on site, and the steel pipe concrete column and the concrete beam have strong strength, rigidity and stability after being spliced, so that a support and a template can be omitted in the construction process, the concrete is poured once again after the components are installed in place, the steel pipe concrete column, the concrete beam and the precast slab are integrated, the industrial processing and assembling construction are realized, the working efficiency is improved, and the assembling strength is ensured; of course, the beam of the present invention is used in connection with other building bodies and still has the above-described benefits.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a beam with a clamping connection plate.
Background
The currently common architectural structure system can be divided into: reinforced concrete structure, steel-concrete composite structure and steel structure. The steel-concrete composite structure is an integral structure formed by combining a steel member and concrete or reinforced concrete members, has the characteristics and advantages of a steel structure and a reinforced concrete structure, and gradually becomes a building structure widely used in the field of constructional engineering.
The assembled steel-concrete combined structure system is an assembled structure system which is researched more at home and abroad at present, and has the advantages of good mechanical property, high prefabrication rate of structural members, convenient member processing and construction, outstanding environmental protection and energy saving performance and obvious economic benefit. The assembled steel-concrete combined structure system has places which need improvement in two aspects, on one hand, the frame node of the assembled steel-concrete combined structure is a relatively weak part, and the connection of the node between the beam and the column directly influences the safety performance and the anti-seismic performance of the structure; on the other hand, the traditional connection mode of the concrete beam and the steel column is complicated in construction, and the construction quality is difficult to guarantee.
Disclosure of Invention
In view of the above, the invention provides a novel beam with a clamping connection plate, which is used for a beam-column combined frame structure, can effectively solve the problems of strength, rigidity and stability at a node, is convenient and fast to operate during component processing and construction, and can avoid the need of arranging supports and templates in the construction process, thereby shortening the construction period; simultaneously, can also be used to the roof beam and other building main bodies be connected, also has above-mentioned beneficial effect.
The invention provides a beam with clamping connection plates, wherein the connection plates are arranged at two ends of the beam and are used for being clamped and connected with relevant parts of a main body and forming a whole by pouring concrete in situ.
Furthermore, the roof beam is concrete beam, the face perpendicular to concrete beam's the roof beam of connecting plate is indulged the muscle and welded fastening in the roof beam is indulged the muscle.
Further, the concrete beam is a precast concrete beam or a concrete composite beam.
Furthermore, a gap for clamping is reserved between the connecting plate and the beam end of the concrete beam.
Furthermore, the top surface of the precast concrete beam is arranged flatly or stirrups are arranged in the beam, the upper parts of the stirrups extend out of the top surface of the precast concrete beam, and the extending height is the height obtained by reducing a reinforced concrete protective layer from the finished surface height of a precast slab floor matched with the beam column.
Furthermore, no concrete is poured into the reserved part of the stirrups at the top of the concrete composite beam, and the longitudinal bars on the top surface of the concrete composite beam are bound and poured with the composite floor slab.
Further, the connecting plate is the rectangle steel sheet that is provided with the vertical bar groove of opening down, vertical bar groove is used for dodging downwards and the joint when the connecting plate joint.
Further, the beam end face of the concrete beam is provided with a key groove and is subjected to rough surface treatment.
The invention has the beneficial effects that: the beam with the clamping connection plate is used for a beam-column combined frame, a steel pipe concrete column, a concrete beam and a prefabricated plate can be processed in a factory, the beam column is assembled and constructed on site through a clamping structure on site, the prefabricated plate and the concrete beam are assembled and lapped on site, and as the steel pipe concrete column and the concrete beam have strong strength, rigidity and stability after being spliced, a support and a template can be omitted in the construction process, concrete is poured once after the members are installed in place, the steel pipe concrete column, the concrete beam and the prefabricated plate are integrated, the factory processing and the assembly construction are realized, the working efficiency is improved, and the assembly strength is ensured; of course, the beam of the present invention is used in connection with other building bodies and still has the above-described benefits.
Drawings
The invention is further described with reference to the following figures and examples:
fig. 1 is a schematic view of a precast concrete beam of the present invention;
FIG. 2 is a schematic view of the precast concrete beam of the present invention without a stirrup at the top thereof;
FIG. 3 is a schematic view of a concrete composite beam according to the present invention;
FIG. 4 is an isometric view of the present invention in its entirety for use with a composite frame;
FIG. 5 is an isometric view of a precast concrete beam-column connection joint of the present invention;
FIG. 6 is an isometric view of a laminated beam-column connection joint of the present invention;
FIG. 7 is a schematic view illustrating the connection of precast slabs and precast concrete beams according to the present invention;
FIG. 8 is a schematic view of a side post connection node of the present invention;
FIG. 9 is a schematic view of a king post connection node of the present invention;
wherein the figures include the following reference numerals: 1-a steel tube concrete column; 2-prefabricating a concrete beam; 3-U-shaped steel corbels; 31-a clamping structure; 4, precast slab; 11-through bolt; 111-adjusting nuts; 112-a clamping plate; 113-end pad; 114-end nut; 21-a connecting plate; 22-door-shaped stirrups; 23-beam longitudinal ribs; 24-open type stirrup; 211-vertical strip-shaped grooves; 5-concrete superposed beam.
Detailed Description
The preferred embodiments of the present invention will be described in detail below.
The beam with the clamping connection plates is provided with the connection plates at two ends, and the connection plates are used for being clamped and connected with relevant parts of the main body and pouring concrete to form a whole; the connecting plate is clamped and connected in a manner that the connecting plate is clamped on a relevant part of the main body and is blocked and limited in the length direction of the beam, and the connecting plate is fixed in a cast-in-place mode after clamping through forming a structure which is clamped into the connecting plate, for example, a clamping groove is formed in one side of the connecting plate, and a clamping block is formed in the other side of the connecting plate, and the like, and the construction is not repeated; the related parts of the main body refer to mechanical structures capable of forming clamping connection with the connecting plate, and the mechanical structures comprise a clamping plate, a pull rod and the like, which are not described in detail herein; the main body refers to a building main body connected with the concrete beam, and is not described again;
referring to fig. 1, 2 and 3, in this embodiment, the beam is a concrete beam used in construction engineering, and the concrete beam is different in two types, namely a precast concrete beam 2 and a concrete superposed beam 5, in terms of manufacturing manners; the main body clamped with the connecting plate is a steel pipe concrete column, and the connecting plate is integrally formed by pouring concrete after being clamped with relevant parts (such as split bolts, U-shaped brackets and the like) on the steel pipe concrete column.
The precast concrete beam 2 is manufactured in the following manner: binding all reinforcing steel bars of a concrete beam in a factory, pouring concrete to manufacture a precast concrete solid beam with overhanging reinforcing steel bars at two ends, wherein the length of the overhanging reinforcing steel bars is related to a beam-column connecting node, and the end part of the precast beam is provided with a key groove and is subjected to rough surface treatment; step two, manufacturing a connecting plate 21 in a factory according to design requirements, wherein the material of the connecting plate 21 is not limited to steel, the connecting plate 21 is a rectangular steel plate provided with a vertical strip-shaped groove 211 with a downward opening in the embodiment, the width and the height of the rectangular steel plate are the same as those of the precast concrete beam, the thickness of the rectangular steel plate is related to a beam-column connecting node, and the thickness of the rectangular steel plate can be increased according to the design requirements for reinforcement; thirdly, connecting the rectangular steel plate with the precast concrete solid beam overhanging reinforcing steel bars through plug welding or sleeve connection, connecting the top longitudinal bar, the bottom longitudinal bar and the waist bar with the end plate, wherein the edge distance from the reinforcing steel bars to the end plate is not less than 2d (d is the diameter of the reinforcing steel bars), and the bottom reinforcing steel bars can be arranged in two rows when 3 or more reinforcing steel bars are arranged; the top surface of the precast concrete beam 2 may be flat (as shown in fig. 2) or may be provided with stirrups (as shown in fig. 1), and the cross-sectional shape of the precast concrete beam may be varied, not limited to a rectangle, and the illustration is only made for a rectangular precast concrete beam.
The manufacturing method of the concrete composite beam 5 comprises the following steps: firstly, binding steel bars of a concrete superposed beam in a factory, not binding longitudinal bars of the top surface of the beam together in the factory, exposing a part of stirrup on the top surface, pouring concrete to a designed height, and manufacturing a prefabricated concrete superposed beam with overhanging steel bars at two ends, wherein the length of the overhanging steel bars is related to a beam-column connecting node, and the end part of the prefabricated superposed beam can be provided with a key groove and processed by a rough surface; step two, manufacturing a connecting plate 21 in a factory according to design requirements, wherein the material of the connecting plate 21 is not limited to steel, the connecting plate 21 is a rectangular steel plate provided with a vertical strip-shaped groove 211 with a downward opening in the embodiment, the width of the rectangular steel plate is the same as that of the precast concrete superposed beam, the height of the rectangular steel plate is the height of the superposed beam plus the thickness of a superposed floor slab, the thickness of the rectangular steel plate is related to a beam column connecting node, and the thickness of the rectangular steel plate can be increased according to the design requirements for reinforcement; thirdly, connecting the rectangular steel plate and the external extending steel bars of the precast concrete superposed beam by plug welding or sleeve connection, connecting the bottom longitudinal bars and the waist bars with the end plates, wherein the edge distance from the steel bars to the end plates is not less than 2d (d is the diameter of the steel bars), and arranging the bottom steel bars in two rows when the number of the bottom steel bars is 3 or more; the concrete composite beam stirrup can be an open stirrup or a closed stirrup, and the concrete composite beam shown in fig. 3 is only indicated by the open stirrup.
The present invention will be described in detail below in a structure of a composite frame for beam-column formation according to the present invention, as shown in fig. 4, the beam-column composite frame including columns, precast concrete beams 2 according to the present invention, and precast slabs 4; the stand column and the precast concrete beam 2 are clamped and connected through the clamping structure 31, and then cast-in-place concrete forms a whole, and the precast slab 4 and the precast concrete beam 2 are spliced and connected on site; after all the parts are assembled and lapped, the upright posts and the prefabricated large plate 4-surface concrete are poured at one time to form an integral combined frame structure.
The column (which can be a steel pipe concrete column, a steel column or a concrete column), the precast concrete beam 2 and the precast slab 4 can be processed in a factory, the beams and the columns are connected in a clamping way, and the precast slab 4 and the precast concrete beam 2 are spliced and connected in site; after the column, the beam and the plate are installed in place, concrete is poured once again, the concrete filled steel tubular column 1, the precast concrete beam 2 and the precast slab 4 are integrated, factory processing and assembly construction are achieved, and supports and templates can be omitted in the construction process.
In this embodiment, the column is a steel pipe concrete column;
the steel pipe concrete column also comprises a U-shaped steel bracket 3 fixed on the steel pipe concrete column 1, and the U-shaped steel bracket is generally fixed by welding and is not described again; the clamping structure 31 is clamped and connected in a groove (U-shaped space) of the section steel bracket 3 and then cast in situ concrete to form a whole; the U-shaped steel bracket 3 plays a role of a supporting beam, a plate and a pouring bottom die, and further improves the overall rigidity, strength and stability after pouring is finished.
In this embodiment, the joint structure includes along transversely running through concrete filled steel tubular column 1 and extend to 3 inslots of U shaped steel bracket 11, be located 3 inslots of shaped steel bracket with adjustable joint board 112 of 11 complex of through bolt and be fixed in the connecting plate 21 of the beam-ends of precast concrete beam 2, connecting plate 21 joint connect in cast in situ concrete forms wholly behind through bolt 11 and the joint board 112.
In the embodiment, after the concrete-filled steel tube column 1, the U-shaped steel bracket 3 and the through bolt 11 are installed in place, concrete in the concrete-filled steel tube column 1 is poured, shaped and prefabricated to form a whole;
when the through bolts 11 are arranged in two mutually perpendicular directions of the concrete-filled steel tubular column 1, the through bolts 11 in the two directions are crossed and avoided in the up-down direction.
In the embodiment, under the condition that the steel pipe concrete column 1 has one side without connection of the precast concrete beams 2, the through bolt 11 extends out of the side of the steel pipe concrete column 1 without connection of the precast concrete beams 2 and is locked;
as shown in fig. 9, when the concrete-filled steel tube column 1 is a center column, the concrete-filled steel tube column 1 is provided with four U-shaped steel brackets 3, and the through bolts 11 vertically penetrate through the concrete-filled steel tube column 1 from two directions to form corresponding clamping structures 31;
as shown in fig. 8, when the steel core concrete column 1 is a side column, the steel core concrete column 1 is provided with three U-shaped steel brackets 3, the through bolts 11 vertically penetrate through the steel core concrete column 1 from two directions, the two ends in one direction all form corresponding clamping structures 31, one end in the other direction forms the clamping structure 31, and the other end penetrates through the steel core concrete column 1 (one side of the girderless connection) and then locks the locking end part backing plate 113 through the locking nut to complete locking, so as to ensure the connection strength.
Of course, when the concrete-filled steel tube column 1 is a corner column, the concrete-filled steel tube column 1 is provided with two U-shaped steel brackets 3 in the vertical direction, and the through bolt 11 penetrates out (without beam connection side) and the locking structure is similar to the structure shown in fig. 8, which is not described again here.
In this embodiment, the number of the clamping plates 112 on the through bolt 11 positioned in the groove of the steel bracket 3 is two, and a gap for clamping the corresponding connecting plate 21 is formed between the two clamping plates 112; the adjusting nuts 111 are correspondingly arranged on the outer sides of the two clamping plates 112 respectively and used for adjusting the positions of the two clamping plates 112 and the gaps;
as shown in fig. 5 and 9, the through bolts 11 extend out of the side wall of the steel pipe concrete column 1 and extend into the U-shaped steel corbel 3, two adjusting nuts 111 are arranged in a groove of the steel corbel 3 by each through bolt 11, a clamping plate 112 is arranged on the inner side of each adjusting nut 111, a gap for clamping the connecting plate 21 of the precast concrete beam 2 is reserved between the two clamping plates 112, and the gap distance and the gap position can be adjusted by the adjusting nuts 111, so that the precast concrete beam has good position adaptability;
the face perpendicular to precast concrete beam 2 of connecting plate 21's roof beam is indulged the muscle and is welded (generally adopt plug welding technology) and is fixed in the roof beam is indulged the muscle, just leave between the beam-ends of connecting plate 21 and precast concrete beam 2 be used for with the space of joint board 112 joint.
In the embodiment, the stirrups arranged in the precast concrete beam 2 are n-shaped stirrups 22, the upper parts of the n-shaped stirrups 22 extend out of the top surface of the precast concrete beam 2, and the extending height is the height obtained by subtracting a protective layer from the finished floor height of the precast slab 4; the protective layer refers to a protective layer positioned on the surface layer of the steel bar after floor construction, belongs to the prior art, and is not described again; and the vertical limbs of the door-shaped stirrups 22 are retracted 10-50mm inwards from the edges of the precast concrete beams, so that a holding space is reserved for the precast slabs;
as shown in fig. 1, two vertical limbs of the door-shaped stirrup 22 are retracted inwards at the edge of the precast concrete beam 2 to form a horizontal erection space, and the horizontal erection space reserved at the two edges of the precast concrete beam 2 is used for placing and lapping the precast slab 4 and the precast concrete beam 2 on site; the door-shaped stirrups 22 extend out of the top of the beam to form a vertical cast-in-place space, after the prefabricated plates 4 are connected with the prefabricated concrete beam 2 in a lap joint mode, steel bar connection and concrete pouring are carried out in the vertical cast-in-place space, and the prefabricated plates and the prefabricated concrete beam are poured into a whole.
In this embodiment, the connecting plate 21 is a rectangular steel plate provided with a vertical strip-shaped groove 211 with a downward opening, but the material of the connecting plate 21 is not limited to steel, and is not described herein again; the rectangular steel plate is manufactured in a factory according to design requirements, the width and the height of the rectangular steel plate are the same as those of the precast concrete beam 2, the thickness of the steel plate is related to a beam-column connecting node, and the rectangular steel plate can be reinforced by increasing the thickness of the steel plate according to the design requirements; the vertical strip-shaped groove is used for avoiding when the connecting plate 21 is clamped with the clamping plate 112 and clamping the connecting plate on the through bolt 11; the vertical strip-shaped groove 211 is used for being clamped with the through bolt 11 of the concrete-filled steel tubular column 1 from top to bottom, and meanwhile, conditions are created for clamping between the connecting plate and the clamping plate;
as shown in fig. 5 and 6, in the construction process, when the precast concrete beam 2 is connected with the concrete-filled steel tubular column 1 on site, the precast concrete beam 2 is hoisted and placed in the U-shaped bracket 3, meanwhile, the vertical strip-shaped groove 211 of the precast concrete beam end connecting plate 21 is aligned and clamped downwards with the through bolt 11, and the longitudinal steel bar of the precast concrete beam 2 is tightened by horizontally adjusting the positions of the two adjusting nuts 111 and the clamping plate 112 on the through bolt 11, so that accurate positioning and installation are realized.
In the embodiment, the width of the U-shaped steel bracket 3 in the groove is 2-10mm larger than the beam width of the precast concrete beam 2, and the precast concrete beam is clamped and placed in the U-shaped bracket during installation.
In this embodiment, the through bolts 11 in each direction are two arranged vertically, and the clamping plate of each through bolt is independently arranged and provided with an adjusting nut 111; as shown in the figure, the upper and lower through bolts 11 are arranged in each U-shaped steel bracket 3, so that the bending moment resistance can be improved, and the overall strength and rigidity are further improved.
As shown in fig. 7, during construction of the invention, after the precast concrete beam 2 of a certain layer is installed in place according to the above manner and structure, the integral rigidity is formed, both ends of the precast slabs 4 are sequentially placed and overlapped on the horizontal overlapping space between the beam edge of the precast concrete beam 2 and the door-shaped stirrups 22, after the slab is installed, concrete in the groove of the U-shaped steel bracket 3 and concrete between the precast slabs 4 and slab surface are poured, and the steel pipe concrete column 1, the precast concrete beam 2, the U-shaped steel bracket 3 and the precast slabs 4 are formed into a whole.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a roof beam with joint connecting plate which characterized in that: the both ends of roof beam have the connecting plate, the connecting plate is used for being connected and cast in situ concrete formation whole with the relevant part joint of main part.
2. A beam with a clamping web according to claim 1, characterised in that: the roof beam is concrete beam, the face perpendicular to concrete beam's of connecting plate roof beam indulges muscle and welded fastening in the muscle is indulged to the roof beam.
3. A beam with a clamping web according to claim 2, characterised in that: the concrete beam is a precast concrete beam or a concrete superposed beam.
4. A beam with a clamping web according to claim 2, characterised in that: and a gap for clamping is reserved between the connecting plate and the beam end of the concrete beam.
5. A beam with a clamping connection plate according to claim 3, characterized in that: the prefabricated concrete beam top surface is smoothly arranged or stirrups are arranged in the beam, the upper portions of the stirrups extend out of the prefabricated concrete beam top surface, and the extending heights are the heights obtained after the prefabricated slab floor finish surface used in cooperation with the beam column is reduced by the height of the reinforced concrete protection layer.
6. A beam with a clamping connection plate according to claim 3, characterized in that: and the stirrups of the reserved part at the top of the concrete composite beam are not poured with concrete, and the longitudinal reinforcements on the top surface of the concrete composite beam are bound and poured with the composite floor slab.
7. Beam with snap-in connection plate according to claim 1, characterized in that: the connecting plate is the rectangle steel sheet that is provided with vertical bar groove that the opening is down, vertical bar groove is used for dodging downwards and joint when the connecting plate joint.
8. A beam with a clamping web according to claim 3, characterised in that: and the beam end surface of the concrete beam is provided with a key groove and is subjected to rough surface treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210816189.6A CN115233813A (en) | 2022-07-12 | 2022-07-12 | Beam with clamping connection plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210816189.6A CN115233813A (en) | 2022-07-12 | 2022-07-12 | Beam with clamping connection plate |
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| CN115233813A true CN115233813A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210816189.6A Pending CN115233813A (en) | 2022-07-12 | 2022-07-12 | Beam with clamping connection plate |
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| CN (1) | CN115233813A (en) |
Cited By (1)
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| CN116927337A (en) * | 2023-05-26 | 2023-10-24 | 中铁四局集团有限公司 | Steel pipe concrete column-prestressed reinforced concrete beam connection node |
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|---|---|---|---|---|
| CN116927337A (en) * | 2023-05-26 | 2023-10-24 | 中铁四局集团有限公司 | Steel pipe concrete column-prestressed reinforced concrete beam connection node |
| CN116927337B (en) * | 2023-05-26 | 2024-03-15 | 中铁四局集团有限公司 | Steel pipe concrete column-prestressed reinforced concrete beam connection node |
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