CN110820954A - Beam column or beam-beam connection node structure suitable for assembled PEC and construction method thereof - Google Patents
Beam column or beam-beam connection node structure suitable for assembled PEC and construction method thereof Download PDFInfo
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- CN110820954A CN110820954A CN201911193827.8A CN201911193827A CN110820954A CN 110820954 A CN110820954 A CN 110820954A CN 201911193827 A CN201911193827 A CN 201911193827A CN 110820954 A CN110820954 A CN 110820954A
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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
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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Abstract
A beam-column or beam-beam butt joint node structure suitable for an assembled PEC, comprising an 'H' -shaped node steel section integrally formed or fixedly connected to the main body of a precast beam steel member for welding with the side of a precast column steel member or with the end face of the 'H' -shaped node steel section of another precast beam steel member, and stiffening ribs, heat insulating fillers and node sealing plates; in addition, the construction method comprises the steps of reserving an H-shaped node steel structure section, positioning and connecting nodes, filling node cavities, sealing the node cavities and performing post-repair coating. The invention has the advantages of saving materials on the structure, lowering the cost, avoiding the problem of misalignment deviation of butt joint of the precast beam and the bracket, having good stability and stress of the whole structure, simplifying the working procedures on the construction method, saving manpower and material resources, shortening the working period, avoiding slurry leakage pollution and the conditions of exposed ribs and corrosion after form removal, avoiding building rubbish formed by the removed form, along with high efficiency and environmental protection in the construction process.
Description
Technical Field
The invention relates to the technical field, in particular to a beam-column or beam-beam connection node structure suitable for an assembled PEC and a construction method thereof.
Background
The method aims to implement a green development concept, improve the quality and quality of construction engineering, promote deep integration of the construction industry and informatization industrialization, realize innovation of the construction industry, cultivate new industry and new kinetic energy and realize sustainable development of the construction industry. In recent years, the nation has concentrated policies on the building industry from the strategic development level, and encourages and vigorously promotes assembly buildings.
At present, a part of cladding steel-concrete composite structure (PEC structure for short) is widely applied to an assembly type structure, concrete is filled between flanges of an H-shaped steel member in a basic form of a cross section, the problems of fire prevention, corrosion prevention and sound insulation of the assembly type steel structure are solved, simultaneously, the anti-seismic and vertical node safety and reliability of the assembly type concrete structure are improved, the building use comfort level is improved, and the structure safety is ensured. The patent document with the application number of CN201811121358.4 discloses a vertical partition board beam column connected node suitable for steel-pipe column, including steel-pipe column, vertical partition board, beam column connecting plate and girder steel, vertical partition board is vertical locates the relative inside of steel-pipe column, the steel-pipe column includes thick plate column wall, thick plate column wall is located the steel-pipe column lateral part, the beam column connecting plate reaches the girder steel with thick plate column wall connection is exactly current common beam column connected node structure. However, the prior joint structure for filling concrete between flanges of H-shaped steel members and the wet construction method thereof have defects. Beam-column connection in the current fabricated structure is mainly bolted and welded through steel corbels and prefabricated partially-clad steel-concrete composite beams (PEC beams for short):
1. in the process of factory processing and manufacturing, a prefabricated partially-coated steel-concrete combined column (PEC column for short) needs to be provided with a steel corbel, so that the cost is increased and the efficiency is reduced;
2. on one hand, misalignment is easy to occur when the prefabricated PEC beam is in butt joint with the bracket during field construction, the prefabricated floor slab and the steel beam cannot be attached tightly when deviation is large, large gaps are reserved between the beam slab, and adverse effects are generated on the stability and stress of the prefabricated floor slab;
3. on the other hand, the cavity of the node needs to be bound with reinforcing steel bars, and concrete is poured after a template is erected, but the slurry leakage phenomenon is easy to occur in the concrete pouring process, and the wet operation and field pollution conditions exist;
4. in the conventional method, PEC structural beam column nodes are installed by penetrating high-strength bolts through double clamping plates on a web plate for temporary connection, after reinforcing steel bars are bound, node templates are arranged, concrete is poured in the node templates, the node templates are disassembled after certain strength is achieved, even the conditions of exposed reinforcing steel bars and corrosion are generated, the steps are multiple, a large amount of manpower and material resources are consumed, and the working period is long;
5. the template after being dismantled can be recycled and has low utilization rate, so that the construction waste is formed, and the concept of green and environment-friendly assembled structure is not met.
Therefore, how to innovate on the basis of the prior art and overcome the defects of the prior concrete poured node structure and the wet construction mode thereof is a topic worthy of research.
Disclosure of Invention
The invention aims to provide a beam column or beam connecting node structure suitable for an assembled PEC (reinforced concrete), and solves the problems of high construction cost, easy slurry leakage and pollution in construction and easy bracket butting deviation in construction of the traditional wet construction node structure, and the specific technical scheme is as follows: a beam column or beam butt joint structure suitable for an assembled PEC, comprising an "H" -shaped node steel section integrally formed or fixedly connected to the main body of a precast beam steel member for welding with a side face of a precast column steel member or with an end face of the "H" -shaped node steel section of another precast beam steel member; the H-shaped node steel structure section comprises an upper flange, a lower flange and a web plate, a node cavity is formed between the upper flange and the lower flange, and the H-shaped node steel structure section further comprises a stiffening rib plate, a heat insulation filling part and a node sealing plate, wherein the stiffening rib plate separates the H-shaped node steel structure section from a main body of a precast beam steel component to which the H-shaped node steel structure section belongs; the heat insulation filling piece and the node sealing plate are arranged in the node cavity, and the node sealing plate seals the heat insulation filling piece; the upper end of the node sealing plate is welded with the upper flange, the lower end of the node sealing plate is welded with the lower flange, and the left end and the right end of the node sealing plate are respectively welded with the side face of the prefabricated column steel component and the stiffening rib plate of the prefabricated beam steel component or the stiffening rib plates of the prefabricated beam steel components on the two sides.
Preferably, the node structure further comprises a fire-proof plate fixedly connected to the outside of the node sealing plate.
Preferably, the node structure further comprises gypsum boards encapsulated at the outermost periphery of the space occupied by the "H" type node steel structure section and the installation part to which the "H" type node steel structure section belongs.
Preferably, the heat insulation filling part further comprises a plurality of supporting frameworks, each supporting framework comprises a transverse steel bar and a longitudinal steel bar which are welded with each other, two ends of each longitudinal steel bar are fixedly connected with the upper flange and the lower flange respectively, and two ends of each transverse steel bar are fixedly connected with the side face of the prefabricated column steel component and the reinforcing rib plate of the prefabricated beam steel component or are fixedly connected with the reinforcing rib plates of the prefabricated beam steel components on two sides respectively.
Preferably, two ends of the longitudinal steel bar are connected with cushion blocks, and the cushion blocks are welded with the upper flange or the lower flange.
Preferably, two ends of the transverse reinforcing steel bar are respectively inserted into the prefabricated column steel member and the prefabricated beam steel member and welded with the side surface of the prefabricated column steel member and the stiffening rib plate, or respectively inserted into the prefabricated beam steel members on two sides and welded with the stiffening rib plates of the prefabricated column steel member and the stiffening rib plate.
Preferably, the heat insulation filling piece is fireproof rock wool.
Preferably, the node sealing plate is a patterned steel plate.
Another technical purpose of the present invention is to provide a dry construction method for a node structure of an assembled PEC structure, which solves the problems of complicated steps, time and labor waste, low working efficiency, easy slurry leakage, and easy formation of construction waste by a formwork removed after erection in the existing wet construction method, and has the following specific technical scheme: comprises the following steps of (a) carrying out,
① reserving H-shaped node steel structure section, arranging a stiffening rib plate near the end of a precast beam steel component, and forming the H-shaped node steel structure section and the main body of the precast beam steel component by taking the stiffening rib plate as a boundary;
② joint positioning connection, namely, in the butt joint construction of the beam column, clamping and attaching at least one pair of clamping plates to a web plate of an H-shaped joint steel member section and performing bolt connection, welding one end of each clamping plate with the side surface of the opposite prefabricated column steel member, and welding the end parts of the upper and lower flanges of the H-shaped joint steel member section with the side surface of the opposite prefabricated column steel member;
in the butt joint construction of the beam and the beam, H-shaped node steel structure sections of two prefabricated beam steel components are aligned, at least one pair of clamping plates are clamped and attached to webs of the two H-shaped node steel structure sections at the same time and are connected through bolts, and the end parts of upper and lower flanges of the two H-shaped node steel structure sections are welded;
③ filling node cavities, namely filling heat insulation filling pieces into the node cavities between the upper and lower flanges of the H-shaped node steel structure section;
④ sealing node cavity, welding a node sealing plate in the node cavity between the upper and lower flanges of the H-shaped node steel structure section, and sealing the heat insulation filling member in the node cavity by the node sealing plate;
⑤ and coating again, namely coating the anti-corrosion paint on the welding area which can be coated with the anti-corrosion paint after the steps are completed.
Preferably, step ⑥ is also included to strengthen the protection, i.e. to encapsulate the fire protection plate between the upper and lower flanges of the "H" type node steel section and outside the node sealing plate.
Preferably, the method further comprises step ⑦ of enclosing the periphery, namely, enclosing the gypsum board at the outermost periphery of the space occupied by the steel structure section of the H-shaped node after all steps are finished.
Preferably, the step ③ further includes setting a supporting framework in order matching with the installation of the heat insulating filling member, where the supporting framework is mainly formed by welding transverse steel bars and longitudinal steel bars, two ends of the longitudinal steel bars are respectively and fixedly connected with upper and lower flanges of the "H" -shaped node steel structure section, and two ends of the transverse steel bars are respectively and fixedly connected with the side surface of the precast column steel member and the stiffening rib plate of the precast beam steel member or the respective stiffening rib plates of the precast beam steel members on two sides.
The dry construction method has the technical advantages that the bracket and the concrete are not needed for the connecting node structure, materials are saved, cost is low, the problem of misalignment deviation of butt joint of the precast beam and the bracket is solved, the overall structure stability and stress are good, the steps of butt joint of the bracket, binding of reinforcing steel bars, pouring of concrete, erection and formwork removal are omitted, working procedures are simplified, manpower and material resources are saved, the working period is shortened, the situations of slurry leakage pollution and exposed ribs and corrosion after formwork removal are avoided, building waste cannot be formed due to the removed formwork, the construction process is efficient and environment-friendly, and the method is worthy of popularization and use in the field.
Drawings
FIG. 1 is a schematic side view of a beam-column butt joint embodiment of the present invention;
FIG. 2 is a schematic top view of a beam-column butt joint embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a beam-column butt joint embodiment of the present invention;
FIG. 4 is a schematic view of a portion of a support frame according to an embodiment of the present invention;
FIG. 5 is a schematic side view of a beam-to-beam butt joint embodiment of the present invention;
the names of the parts corresponding to the numbers in the figure are respectively: 1-upper flange, 2-lower flange, 3-web, 4-heat insulation filling parts, 5-node sealing plates, 6-fireproof plates, 7-transverse steel bars, 8-longitudinal steel bars, 81-cushion blocks, 9-stiffening rib plates, A-prefabricated beam steel components, A' -another prefabricated beam steel components, B-prefabricated column steel components, C-clamp plates, 01-butt welding seams and 02-fillet welding seams.
Detailed Description
The invention will be further illustrated by means of specific embodiments in the following description with reference to the accompanying drawings:
this embodiment is different from conventional wet construction, but is applicable to dry construction schemes for the node construction of fabricated PEC structures, whether beam-column butting or beam-beam butting.
Referring to fig. 1, 2, 3 and 4, in the drawings, beam-column butt joint is taken as an example, step ① is to reserve an "H" -shaped node steel member section, a stiffening rib plate is arranged at a position close to an end of a precast beam steel member a, and the stiffening rib plate is used as a boundary to form a main body of the "H" -shaped node steel member section and the precast beam steel member a, the existing precast beam steel member a is usually an "H" -shaped steel member, a precast column steel member B can also be the steel member, the "H" -shaped node steel member section is an end section integrally formed on the "H" -shaped steel member and comprises an upper flange 1, a lower flange 2 and a web 3 connected between the upper flange 1 and the lower flange 2, and a node cavity is formed between the upper flange 1 and the lower flange 2.
②, positioning and connecting the nodes, as shown in fig. 1, a pair of clamping plates C are clamped and attached to the web plate of the H-shaped node steel section and are bolted by using large hexagonal high-strength bolts, one ends of the clamping plates C are welded with the side surface of the prefabricated column steel member B opposite to the clamping plates C, then the ends of the upper and lower flanges of the H-shaped node steel section are welded with the side surface of the prefabricated column steel member B opposite to the clamping plates C, regarding the bolt welding connection of the clamping plates C, one end of one clamping plate C can be welded on the side surface of the prefabricated column steel member B in advance, then the web plate 3 of the H-shaped node steel section is aligned with the clamping plate C, then the other clamping plate C is aligned and attached to the other side of the web plate 3, then the two clamping plates C and the web plate 3 are screwed together, then one end of the other clamping plate C is welded with the side surface of the prefabricated column steel member B, or the two clamping plates C are aligned and attached to the two sides of the web plate 3 of the H-shaped node steel section and are welded together by screwing the two clamping plates C and the side surface of the prefabricated column steel member B.
③ step, filling node cavity, see fig. 2 and fig. 3, namely, filling heat insulation filling member 4 considered for structural safety and stability in the node cavity between the upper and lower flanges of the H-shaped node steel structure section, wherein the heat insulation filling member 4 is preferably made of fireproof rock wool, and may also be made of extruded sheet, which helps to realize fire prevention, heat preservation and sound insulation of the node structure from the aspect of internal structure more effectively, the step can be further aimed at enhancing the structural safety and stability, and the support framework is arranged, and needs to be realized by orderly matching with the process of filling the heat insulation filling member 4, the support framework is mainly composed of transverse steel bars 7 and longitudinal steel bars 8 by welding (generally, installing part of transverse steel bars 7 and longitudinal steel bars 8 respectively at one side and welding them together at the other side), two ends of the longitudinal steel bars 8 are fixedly connected with the upper and lower ends of the H-shaped node steel structure section, two ends of the transverse steel bars 7 are fixedly connected with the node surfaces at two sides of the node cavity respectively, see fig. 4, two ends of the longitudinal steel bars 8 are connected with the pads 71, the upper flange 1 or the lower flange 1, the lower flange can be welded with the prefabricated steel bar, and the reinforcing steel bar 7, the prefabricated steel bar is a prefabricated beam, and the reinforcing steel bar is a prefabricated slab.
What is mentioned "cooperate in order mutually to go on" means, pack into thermal-insulated filler 4 and install the support skeleton and go on in turn in order, for example simpler and easily understand, pack into first row of fire prevention rock wool at the innermost side and paste web 3 earlier, this part of fire prevention rock wool installs first support skeleton outward, then continue to repeat these two steps, pack fire prevention rock wool and support skeleton in order in the node cavity between top flange 1 and lower flange 2, in a word, in the setting process, avoid thermal-insulated filler 4 and support skeleton mutual interference can, guarantee that the node cavity between upper and lower flange can be filled fully in order.
④, sealing the node cavity, as shown in fig. 2 and 3, namely welding a node sealing plate 5 in the node cavity between the upper flange and the lower flange of the H-shaped node steel structure section, wherein the node sealing plate 5 seals the heat insulation filling part, the node sealing plate 5 is a patterned steel plate, and after the welding is finished, the node cavity between the upper flange and the lower flange forms a closed space to ensure the anticorrosion problem of the node cavity in a matching way.
Step ⑤ is post-repair coating, namely, on-site welding areas (such as butt weld joints 01 at the joint surfaces of two ends and two sides of the H-shaped node steel structure section in fig. 1, fillet weld joints between the node sealing plate 5 and the upper and lower flanges in fig. 3, and the like 02) are coated with anticorrosion coating, and the H-shaped node steel structure section can finish advanced coating of exposed areas before leaving factories.
The ⑦ th step is peripheral packaging, i.e. the gypsum board is packaged at the outermost periphery of the space occupied by the steel structure section of the "H" type node after all steps are completed, not shown in the drawing, i.e. the gypsum board is finally packaged at the outermost periphery of the space occupied by the steel structure section of the "H" type node and the mounting parts thereof, such as the node sealing plate 5 and the fire-proof plate 6, which are taken as the outermost periphery at the outer side of the fire-proof plate 6 in the embodiment, and the occupied space is understood as the space occupied by the outlines of the upper flange 1, the lower flange 2 and the fire-proof plate 6 of the steel structure section of the "H" type node.
In addition, as shown in the embodiment of fig. 5, the beam-beam butt joint situation is illustrated, which is slightly different from the aforementioned beam-column butt joint construction, mainly in step ②, the H-shaped node steel members of one precast beam steel member a and the other precast beam steel member a' are aligned, a pair of clamping plates C are simultaneously clamped and attached to the webs of the two H-shaped node steel members and are bolted by using large hexagonal high-strength bolts, the upper and lower flange ends of the two H-shaped node steel members are welded, the left and right ends of the node sealing plate 5 are welded by using the stiffening rib plates 9 of the two H-shaped node steel members, and the two ends of the same transverse reinforcing steel bar 8 are respectively inserted into the two precast beam steel members a and are welded to the stiffening rib plates 9 of the two H-shaped node steel members.
According to the scheme, a dry construction mode is adopted, a steel bracket does not need to be arranged when a prefabricated column steel component B is processed in a factory in the beam column butt joint construction, materials are saved, complex construction operation which needs to be executed for the bracket is avoided, and the problem of bracket butt joint deviation is avoided; the concrete pouring step of conventional wet construction is cancelled, the slurry leakage problem of wet operation does not exist, and the environmental pollution is reduced; the step of erecting and dismantling the template constructed by the wet method is also cancelled, the problem that the dismantled template is reduced to building rubbish does not exist, and the concept of modern green construction is met. Generally speaking, compared with the traditional method, the construction method effectively simplifies the construction steps, reduces the construction period, saves manpower and material resources, greatly improves the construction efficiency, and accords with the high-efficiency construction rhythm of the fabricated building. On the basis, the quality control of the node structure can still be ensured, the connection fitting degree and the compactness are high, the propagation of sound wave frequency bands is effectively blocked by utilizing multi-layer structural members made of different materials (such as an H-shaped node steel structure section-fireproof rock wool-patterned steel plate-fireproof plate-gypsum board system), a better sound insulation effect is provided, and the node structure also has good structural strength, corrosion resistance, fire resistance, structural stability and high safety.
Claims (10)
1. A beam column or beam butt joint structure suitable for an assembled PEC, comprising an "H" -shaped node steel section integrally formed or fixedly connected to the main body of a precast beam steel member for welding with a side face of a precast column steel member or with an end face of the "H" -shaped node steel section of another precast beam steel member; "H" type node steel constructs section includes top flange (1), bottom flange (2) and web (3), top flange (1) form the node cavity between bottom flange (2), its characterized in that: the steel structure is characterized by further comprising a stiffening rib plate (9), a heat insulation filling piece (4) and a node sealing plate (5), wherein the stiffening rib plate (9) separates the H-shaped node steel structure section from the main body of the precast beam steel component to which the H-shaped node steel structure section belongs; the heat insulation filling piece (4) and the node sealing plate (5) are arranged in the node cavity, and the node sealing plate (5) seals the heat insulation filling piece (4); the upper end of the node sealing plate (5) is welded with the upper flange (1), the lower end of the node sealing plate is welded with the lower flange (2), and the left end and the right end of the node sealing plate (5) are respectively welded with the side face of the prefabricated column steel component and the stiffening rib plate (9) of the prefabricated beam steel component or are respectively welded with the stiffening rib plate (9) of the prefabricated beam steel components on the two sides.
2. The beam-column or beam-beam butt joint structure suitable for a fabricated PEC of claim 1, wherein: the node structure further comprises a fireproof plate (6), and the fireproof plate (6) is fixedly connected to the outside of the node sealing plate (5).
3. A beam-column or beam-beam butt joint structure suitable for a fabricated PEC according to claim 1 or 2, wherein: the node structure also comprises gypsum boards packaged at the outermost periphery of the space occupied by the H-shaped node steel section and the mounting part to which the H-shaped node steel section belongs.
4. The beam-column or beam-beam butt joint structure suitable for a fabricated PEC of claim 1, wherein: thermal-insulated filler (4) still include a plurality of supporting framework, supporting framework includes mutual welded horizontal reinforcing bar (7) and longitudinal reinforcement (8), the both ends of longitudinal reinforcement (8) respectively with top flange (1) bottom flange (2) looks fixed connection, the both ends of horizontal reinforcing bar (7) respectively with the side of precast column steel component, precast beam steel component stiffening rib board (9) fixed connection or with both sides precast beam steel component separately stiffening rib board (9) fixed connection.
5. The beam-column or beam-beam butt joint structure suitable for a fabricated PEC of claim 4, wherein: the two ends of the longitudinal steel bar (8) are connected with cushion blocks (71), and the cushion blocks (71) are welded with the upper flange (1) or the lower flange (2).
6. The beam-column or beam-beam butt joint structure suitable for a fabricated PEC of claim 4, wherein: and two ends of the transverse steel bar (7) are respectively inserted into the prefabricated column steel component and the prefabricated beam steel component and welded with the side surface of the prefabricated column steel component and the stiffening rib plate (9), or are respectively inserted into the prefabricated beam steel components at two sides and welded with the stiffening rib plate (9) of the prefabricated beam steel components at two sides.
7. A node construction dry construction method suitable for an assembled PEC structure is characterized in that: comprises the following steps of (a) carrying out,
reserving an H-shaped node steel structure section: arranging a stiffening rib plate at the position, close to the end, of a precast beam steel component, and forming an H-shaped node steel structure section and a main body of the precast beam steel component by taking the stiffening rib plate as a boundary;
node positioning connection: in the beam-column butt joint construction, at least one pair of clamping plates are clamped and attached to a web plate of the H-shaped node steel structure section and are connected through bolts, one end of each clamping plate is welded with the side face of the opposite prefabricated column steel member, and then the end parts of the upper flange and the lower flange of the H-shaped node steel structure section are welded with the side face of the opposite prefabricated column steel member; in the butt joint construction of the beam and the beam, H-shaped node steel structure sections of two prefabricated beam steel components are aligned, at least one pair of clamping plates are clamped and attached to webs of the two H-shaped node steel structure sections at the same time and are connected through bolts, and the end parts of upper and lower flanges of the two H-shaped node steel structure sections are welded;
filling a node cavity: a heat insulation filling member is filled in a node cavity between an upper flange and a lower flange of the H-shaped node steel structure section;
sealing a node cavity: welding a node sealing plate in a node cavity between an upper flange and a lower flange of the H-shaped node steel structure section, wherein the node sealing plate seals the heat insulation filling piece in the node cavity;
and (3) post-coating: and (4) coating the anticorrosive paint on the welding position area which can be coated with the anticorrosive paint after the steps are finished.
8. The dry construction method of a node structure suitable for a fabricated PEC structure according to claim 8, further comprising a step ⑥ of reinforcing protection by enclosing fire-proof plates between upper and lower flanges of the steel structure section of the "H" type node and outside the sealing plates of the node.
9. The dry construction method for a node structure of a fabricated PEC structure according to claim 7 or 8, further comprising ⑦ a step of enclosing the periphery of gypsum boards, i.e. the outermost periphery of the space occupied by the steel structure sections of the H-shaped node after all the steps are completed.
10. The dry construction method for node construction of an assembled PEC structure according to claim 7, wherein the step ③ further comprises a support frame installed in order matching with the installation of the thermal insulation filler, the support frame is mainly composed of a transverse steel bar and a longitudinal steel bar by welding, two ends of the longitudinal steel bar are respectively and fixedly connected with the upper and lower flanges of the H-shaped node steel structure section, and two ends of the transverse steel bar are respectively and fixedly connected with the side surface of the precast column steel member, the stiffening rib plate of the precast beam steel member or the respective stiffening rib plates of the precast beam steel members at two sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911193827.8A CN110820954A (en) | 2019-11-28 | 2019-11-28 | Beam column or beam-beam connection node structure suitable for assembled PEC and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911193827.8A CN110820954A (en) | 2019-11-28 | 2019-11-28 | Beam column or beam-beam connection node structure suitable for assembled PEC and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900619A (en) * | 2021-01-27 | 2021-06-04 | 海南大学 | Fabricated concrete beam-column joint and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900619A (en) * | 2021-01-27 | 2021-06-04 | 海南大学 | Fabricated concrete beam-column joint and construction method thereof |
| WO2022160388A1 (en) * | 2021-01-27 | 2022-08-04 | 海南大学 | Fabricated concrete beam-column joint and construction method therefor |
| US11686084B2 (en) | 2021-01-27 | 2023-06-27 | Hainan University | Prefabricated concrete beam-column node and construction method therefor |
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