CN112376687A - Anti-seismic prefabricated beam column joint of prefabricated building and construction method thereof - Google Patents
Anti-seismic prefabricated beam column joint of prefabricated building and construction method thereof Download PDFInfo
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- CN112376687A CN112376687A CN202011083657.0A CN202011083657A CN112376687A CN 112376687 A CN112376687 A CN 112376687A CN 202011083657 A CN202011083657 A CN 202011083657A CN 112376687 A CN112376687 A CN 112376687A
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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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- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to the technical field of building nodes, in particular to an anti-seismic prefabricated beam-column node of an assembly type building, which comprises a connecting piece, a first prefabricated beam and a second prefabricated beam, wherein the connecting piece is used for connecting a prefabricated column and the first prefabricated beam, and 4 fixing plates A with rotating sleeves are arranged on the prefabricated column; the upper surface and the lower surface of the first precast beam are provided with a fixed plate B with a rotary loop bar, the rotary loop bar is matched with the rotary sleeve, an elastic part is arranged between the top of the rotary loop bar and the bottom of the rotary sleeve, and the other end of the first precast beam is provided with a groove with a mounting hole; the second precast beam is also arranged, a convex block which is matched with the groove and is provided with a long circular mounting groove is arranged on one side of the second precast beam close to the first precast beam, and a buffer gap is formed after the groove and the convex block are completely closed; the invention also provides a construction method of the anti-seismic precast beam-column node of the fabricated building, and the anti-seismic performance and the stability of the precast beam-column node are improved; the whole design is simple, the construction is convenient, and the assembly efficiency is high.
Description
Technical Field
The invention relates to the technical field of building nodes, in particular to an anti-seismic prefabricated beam-column node of an assembly type building and a construction method thereof.
Background
With the improvement of living standard, people tend to seek complete functions, comfortable living, low manufacturing cost and aesthetic enjoyment for buildings, and therefore, the demands on the building industry are increased. At present, building systems such as prefabricated concrete structures, steel structures and the like suitable for industrial production are widely popularized in the industry, the development of prefabrication and assembly technologies of construction engineering is accelerated, and the effect of improving the integration level of the building industrial technology is obvious.
However, because the structure of the prefabricated building is complex, higher requirements are provided for the stability and the firmness of the structure of the prefabricated building, the damping effect of most prefabricated building nodes is not ideal at present, the main forms still need to bind steel bars, pour concrete and the like on site, the requirements for the construction technology are high, the construction process is complex, the construction efficiency is low, the cost is high, good effects of resisting earthquake, strengthening and the like cannot be achieved, and certain potential safety hazards also exist.
Disclosure of Invention
Aiming at the problems, the invention aims to solve a series of problems of complex construction process, low construction efficiency, high cost and the like of the existing prefabricated building node, and provides an anti-seismic prefabricated beam column node structure of a prefabricated building. The purpose of the invention is realized by the following technical scheme:
the anti-seismic precast beam column node of the fabricated building comprises a precast column, a first precast beam, a second precast beam and a connecting piece, wherein one end of the connecting piece is positioned in the precast column, the other end of the connecting piece is positioned in the first precast beam, the connecting piece is perpendicular to the precast column and parallel to the first precast beam, 4 fixing plates A are arranged on the precast column, the fixing plates A are arranged on two side walls, connected with the first precast beam, of the precast column in pairs, the fixing plates A on any side wall are respectively arranged above and below the first precast beam, and the fixing plates A are rotatably connected with a rotating sleeve; the upper surface and the lower surface of the first precast beam are respectively provided with a fixed plate B, the fixed plate B is rotatably connected with a rotating loop bar, the rotating loop bar is matched with a rotating sleeve, an elastic part is arranged between the top of the rotating loop bar and the bottom of the rotating sleeve, one end of the first precast beam, which is far away from the precast column, is provided with a groove, and the upper side wall and the lower side wall of the groove are respectively provided with a plurality of mounting holes; the prefabricated roof beam of second is equipped with protruding piece on being close to one side outer wall of first precast beam, protruding piece and recess phase-match, just the recess is greater than the length of protruding piece along the length of first precast beam extending direction, the recess forms the buffering space with protruding piece after closed completely, the upper surface and the lower surface of protruding piece are equipped with a plurality of mounting grooves respectively, the position of mounting groove corresponds with the mounting hole, just the mounting groove is long circular hole structure for insert tooth type bolt A.
Preferably, the last lateral wall and the lower lateral wall of recess are equipped with 2 mounting holes respectively, correspondingly the number of mounting groove also sets up 2 respectively for last lateral wall and lower lateral wall, sets up the structure of a plurality of mounting holes and mounting groove, more can improve nodal connection's stability.
Preferably, a plurality of fixing holes A are formed in the fixing plate A, and the fixing plate A is fixed on the side face of the prefabricated column by inserting tooth-shaped bolts B into the fixing holes A; be equipped with a plurality of fixed orifices B on the fixed plate B, and through to insert tooth type bolt B in the fixed orifices B and fix fixed plate B on the last side and the downside of first precast beam.
Preferably, the fixing plate a and the fixing plate B are both rectangular structures.
Preferably, the fixing plate a is provided with 4 fixing holes a, and each fixing hole a is respectively arranged at four corners of the fixing plate a; be equipped with 4 fixed orificess B on the fixed plate B, and each fixed orificess B sets up respectively in fixed plate B's four corners, greatly improves the steadiness of fixed plate.
Preferably, the second precast beam is internally provided with transverse steel bars and longitudinal steel bars, so that the rigidity of the second precast beam is improved, and the anti-seismic effect of the second precast beam is enhanced.
Preferably, the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are perpendicular to each other, and the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are in the same plane.
Preferably, the buffer gap is filled with sealant, so that impurities can be prevented from being mixed in, and the buffer effect can be achieved.
Preferably, the elastic member is a telescopic spring.
In order to achieve the above object, the present invention further provides a construction method of an earthquake-resistant precast beam column node of an assembly type building, comprising the steps of:
step S1: manufacturing a prefabricated column, a first prefabricated beam, a second prefabricated beam, a connecting piece, a fixing plate A and a fixing plate B in a factory;
step S2: fixing one end of a connecting piece in the prefabricated column, and fixing the other end of the connecting piece in the first prefabricated beam;
step S3: sleeving a rotating sleeve on a fixing plate A on a rotating sleeve rod of a fixing plate B, fixing the fixing plate A above and below the first precast beam on two sides of the precast column through a tooth-shaped bolt B respectively, and fixing the fixing plate B on the upper surface and the lower surface of the first precast beam through the tooth-shaped bolt B respectively;
step S4: a buffer gap is formed between the groove of the first precast beam and the convex block of the second precast beam, and sealant is filled in the buffer gap;
step S5: and (3) one end of the second precast beam with the protruding block is deeply inserted into the groove of the first precast beam, so that the mounting groove is aligned to the mounting hole, the first precast beam and the second precast beam are fixed through the tooth-shaped bolt A, and the construction of the anti-seismic precast beam column node of the fabricated building is completed.
The invention has the beneficial effects that: according to the anti-seismic precast beam column node of the assembly type building, the first precast beam and the second precast beam are arranged, and after the first precast beam and the second precast beam are clamped, the buffer gap is formed between the groove and the protruding block, so that the transverse impact of the precast beam column node is buffered, the connection of the rotary sleeve rod and the rotary sleeve is limited, the longitudinal impact of the precast beam column node is buffered, the anti-seismic performance of the precast beam column node of the assembly type building is improved, and the stability of the whole structure is enhanced; the integral design is simple, the anti-seismic effect is good, the construction is convenient, the assembly efficiency is high, and the practical significance is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of an earthquake-resistant precast beam-column joint of the prefabricated building according to the present invention.
Fig. 2 is a schematic front view structural view of an earthquake-resistant precast beam column node of the prefabricated building according to the present invention.
Fig. 3 is a schematic top view of the earthquake-resistant precast beam column node of the prefabricated building according to the present invention.
Fig. 4 is a partial structural view of an earthquake-resistant precast beam column node of the prefabricated building according to the present invention.
In the figure: 1-precast column, 2-first precast beam, 3-second precast beam, 4-groove, 5-mounting hole, 6-convex block, 7-mounting groove, 8-tooth bolt A, 9-fixing plate A, 10-fixing hole A, 11-tooth bolt B, 12-rotary sleeve, 13-fixing plate B, 14-fixing hole B, 15-rotary sleeve rod, 16-elastic component, 17-buffer gap, 18-transverse steel bar, 19-longitudinal steel bar and 20-connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the preferred embodiment 1
Fig. 1 is a schematic view of the overall structure of an earthquake-resistant precast beam-column joint of the prefabricated building according to the present invention. As can be seen from fig. 2 to 4, the earthquake-resistant precast beam-column node of the prefabricated building of the present invention includes a precast column 1, a first precast beam 2, a second precast beam 3, and a connecting member 20, one end of the connecting member 20 is located in the precast column 1, and the other end is located in the first precast beam 2, and the precast column 1 is fixed to the first precast beam 2, and the connecting member 20 is perpendicular to the precast column 1 and parallel to the first precast beam 2; 4 fixing plates A9 with a rectangular structure are arranged on the precast column 1, the fixing plates A9 on any side wall are respectively arranged above and below the first precast beam 2, 4 fixing holes A10 are arranged on the fixing plate A9, fixing holes A10 are respectively arranged at four corners of the fixing plate A9, the fixing plate A9 is fixed on the side surface of the precast column 1 by inserting tooth-shaped bolts B11 into the fixing holes A10, the rotating sleeve 12 is rotatably connected on the fixing plate A9, fixing plates B13 with a rectangular structure are respectively arranged on the upper surface and the lower surface of the first precast beam 2, 4 fixing holes B14 are arranged on the fixing plate B13, fixing holes B14 are respectively arranged at four corners of the fixing plate B13, and the fixing plates B13 are fixed on the upper side surface and the lower side surface of the first precast beam 2 by inserting tooth-shaped bolts B11 into the fixing holes B14, a rotary loop bar 15 matched with the rotary sleeve 12 is rotatably connected to the fixed plate B13, an elastic part 16 is arranged between the top of the rotary loop bar 15 and the bottom of the rotary sleeve 12, the elastic part 16 is a telescopic spring and can play a certain buffering role on longitudinal impact force, a groove 4 is arranged at one end of the first precast beam 2 far away from the precast column 1, and 2 mounting holes 5 are respectively arranged on the upper side wall and the lower side wall of the first precast beam; the outer wall of one side of the second precast beam 3 close to the first precast beam 2 is provided with a convex block 6, the convex block 6 is matched with a groove 4, and the length of the groove 4 along the extending direction of the first precast beam 2 is greater than that of the convex block 6, so that a buffer gap 17 is formed after the groove 4 and the convex block 6 are completely closed, sealant is filled in the buffer gap 17, not only can the mixture of impurities be prevented, but also the buffer effect can be achieved, so that a certain buffer effect can be achieved on the transverse impact force, the upper surface and the lower surface of the convex block 6 are respectively provided with 2 mounting grooves 7 corresponding to the mounting holes 5, the mounting grooves 7 are of long round hole structures and are used for inserting tooth-shaped bolts A8, and the second precast beam 3 can be extruded and moved inwards after being impacted, the shockproof effect is achieved, transverse reinforcing steel bars 18 and longitudinal reinforcing steel bars 19 which are vertical to each other are arranged in the second precast beam 3, and the transverse steel bars 18 and the longitudinal steel bars 19 are in the same plane, so that the stability of the precast beam is enhanced.
Specific example 2
The construction method of the anti-seismic precast beam column joint of the fabricated building comprises the following steps:
step S1: manufacturing a prefabricated column 1, a first prefabricated beam 2, a second prefabricated beam 3, a connecting piece 20, a fixing plate A9 and a fixing plate B13 in a factory;
step S2: fixing one end of the connecting piece 20 in the precast column 1, and fixing the other end of the connecting piece 20 in the first precast beam 2;
step S3: sleeving the rotating sleeve 12 on the fixing plate A9 on the rotating sleeve rod 15 of the fixing plate B13, fixing the fixing plate A9 above and below the first precast beam 2 on two sides of the precast column 1 through a tooth-shaped bolt B11, and fixing the fixing plate B13 on the upper surface and the lower surface of the first precast beam 2 through a tooth-shaped bolt B11;
step S4: a buffer gap 17 is formed between the groove 4 of the first precast beam 2 and the convex block 6 of the second precast beam 3, and sealant is filled in the buffer gap 17;
step S5: and (3) inserting one end of the second precast beam 3 with the protruding block 6 into the groove 4 of the first precast beam 2, aligning the installation groove 7 with the installation hole 5, and fixing the first precast beam 2 and the second precast beam 3 through the tooth bolt A8, thereby completing the construction of the aseismic precast beam column node of the prefabricated building.
In summary, it can be seen from the above embodiments of the present invention that, in the anti-seismic precast beam column node of the assembly type building of the present invention, the first precast beam and the second precast beam are arranged, and after the first precast beam and the second precast beam are clamped, a buffer gap is formed between the groove and the protrusion block, so that the lateral impact of the precast beam column node is buffered, and the structure of the rotary sleeve rod and the rotary sleeve is also arranged and the connection thereof is limited, so that the longitudinal impact of the precast beam column node is buffered, the anti-seismic performance of the precast beam column node of the assembly type building is improved, and the stability of the whole structure is enhanced; the integral design is simple, the anti-seismic effect is good, the construction is convenient, the assembly efficiency is high, and the practical significance is achieved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can understand that the changes or modifications within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention should be subject to the protection scope of the claims.
Claims (10)
1. Prefabricated beam column node of antidetonation of prefabricated building, its characterized in that: the prefabricated beam structure comprises a prefabricated column (1), a first prefabricated beam (2), a second prefabricated beam (3) and a connecting piece (20), wherein one end of the connecting piece (20) is located in the prefabricated column (1), the other end of the connecting piece (20) is located in the first prefabricated beam (2), the connecting piece (20) is perpendicular to the prefabricated column (1) and parallel to the first prefabricated beam (2), 4 fixing plates A (9) are arranged on the prefabricated column (1), the fixing plates A (9) are arranged on two side walls, connected with the first prefabricated beam (2), of the prefabricated column (1) in pairs, the fixing plates A (9) on any side wall are arranged above and below the first prefabricated beam (2) respectively, and the fixing plates A (9) are in rotary connection with a rotary sleeve (12); the upper surface and the lower surface of the first precast beam (2) are respectively provided with a fixed plate B (13), the fixed plate B (13) is rotatably connected with a rotary loop bar (15), the rotary loop bar (15) is matched with a rotary sleeve (12), an elastic part (16) is arranged between the top of the rotary loop bar (15) and the bottom of the rotary sleeve (12), one end of the first precast beam (2) far away from the precast column (1) is provided with a groove (4), and the upper side wall and the lower side wall of the groove (4) are respectively provided with a plurality of mounting holes (5); the prefabricated roof beam of second (3) is equipped with protruding piece (6) on being close to one side outer wall of first precast beam (2), protruding piece (6) and recess (4) phase-match, just recess (4) are greater than the length of protruding piece (6) along the length of first precast beam (2) extending direction, form buffering space (17) after recess (4) and protruding piece (6) are closed completely, the upper surface and the lower surface of protruding piece (6) are equipped with a plurality of mounting grooves (7) respectively, the position and the mounting hole (5) of mounting groove (7) are corresponding, just mounting groove (7) are the slotted hole structure for insert profile bolt A (8).
2. An earthquake-resistant precast beam column node of an assembly type structure according to claim 1, wherein: the last lateral wall and the lower lateral wall of recess (4) are equipped with 2 mounting holes (5) respectively, correspondingly the number of mounting groove (7) also sets up 2 respectively for last lateral wall and lower lateral wall.
3. An earthquake-resistant precast beam column node of an assembly type structure according to claim 1, wherein: a plurality of fixing holes A (10) are formed in the fixing plate A (9), and the fixing plate A (9) is fixed on the side face of the prefabricated column (1) by inserting tooth-shaped bolts B (11) into the fixing holes A (10); be equipped with a plurality of fixed orifices B (14) on fixed plate B (13), and through to insert profile of tooth bolt B (11) in fixed orifices B (14) with fixed plate B (13) fix on the side of going up and the downside of first precast beam (2).
4. An earthquake-resistant precast beam column node of an assembly type structure according to claim 3, wherein: and the fixing plate A (9) and the fixing plate B (13) are both rectangular structures.
5. An earthquake-resistant precast beam column node of an assembly type structure according to claim 4, wherein: the fixing plate A (9) is provided with 4 fixing holes A (10), and each fixing hole A (10) is respectively arranged at four corners of the fixing plate A (9); the fixing plate B (13) is provided with 4 fixing holes B (14), and the fixing holes B (14) are respectively arranged at four corners of the fixing plate B (13).
6. An earthquake-resistant precast beam column node of an assembly type structure according to claim 1, wherein: and transverse steel bars (18) and longitudinal steel bars (19) are arranged in the second precast beam (3).
7. An earthquake-resistant precast beam column node of an assembly type structure according to claim 6, wherein: the transverse reinforcing steel bars (18) and the longitudinal reinforcing steel bars (19) are perpendicular to each other, and the transverse reinforcing steel bars (18) and the longitudinal reinforcing steel bars (19) are in the same plane.
8. An earthquake-resistant precast beam column node of an assembly type structure according to claim 1, wherein: and the buffer gap (17) is filled with sealant.
9. An earthquake-resistant precast beam column node of an assembly type structure according to claim 1, wherein: the elastic component (16) is a telescopic spring.
10. The construction method of the anti-seismic precast beam column node of the prefabricated building is characterized by comprising the following steps of: the method comprises the following steps:
step S1: manufacturing a prefabricated column (1), a first prefabricated beam (2), a second prefabricated beam (3), a connecting piece (20), a fixing plate A (9) and a fixing plate B (13) in a factory;
step S2: one end of the connecting piece (20) is fixed in the prefabricated column (1), and the other end of the connecting piece (20) is fixed in the first prefabricated beam (2);
step S3: sleeving a rotating sleeve (12) on a fixing plate A (9) on a rotating sleeve rod (15) of a fixing plate B (13), fixing the fixing plate A (9) above and below the first precast beam (2) on two sides of the precast column (1) through a tooth-shaped bolt B (11), and fixing the fixing plate B (13) on the upper surface and the lower surface of the first precast beam (2) through the tooth-shaped bolt B (11);
step S4: a buffer gap (17) is formed between the groove (4) of the first precast beam (2) and the convex block (6) of the second precast beam (3), and sealant is filled in the buffer gap (17);
step S5: one end, provided with a protruding block (6), of the second precast beam (3) is deeply inserted into the groove (4) of the first precast beam (2), so that the mounting groove (7) is aligned to the mounting hole (5), and the first precast beam (2) and the second precast beam (3) are fixed through the tooth bolt A (8), thereby completing the construction of the aseismic precast beam column node of the assembly type building.
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| CN202011083657.0A CN112376687A (en) | 2020-10-12 | 2020-10-12 | Anti-seismic prefabricated beam column joint of prefabricated building and construction method thereof |
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| CN202011083657.0A CN112376687A (en) | 2020-10-12 | 2020-10-12 | Anti-seismic prefabricated beam column joint of prefabricated building and construction method thereof |
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| CN112411745A (en) * | 2020-11-28 | 2021-02-26 | 安徽一品小院建筑科技有限公司 | Assembled prestressed concrete frame structure antidetonation node |
| CN112854479A (en) * | 2021-03-04 | 2021-05-28 | 羿射旭减隔震张家口有限公司 | Assembled building beam column node |
| CN113006276A (en) * | 2021-03-09 | 2021-06-22 | 商丘工学院 | Steel structure beam column |
| CN113250314A (en) * | 2021-06-02 | 2021-08-13 | 周阳 | Assembled building beam column node connection mechanism |
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| CN116221593A (en) * | 2023-03-08 | 2023-06-06 | 中铁六局集团电务工程有限公司 | Rail transit engineering assembled comprehensive anti-seismic support and hanger and installation construction method thereof |
| CN116356937A (en) * | 2023-04-12 | 2023-06-30 | 福建九鼎建设集团有限公司 | Steel pipe concrete node anti-seismic structure |
| CN116591306A (en) * | 2023-06-07 | 2023-08-15 | 重庆交通大学 | Beam column connection node for assembled building |
| CN116950420A (en) * | 2023-07-31 | 2023-10-27 | 重庆电子工程职业学院 | Assembled building construction method |
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| CN116356937A (en) * | 2023-04-12 | 2023-06-30 | 福建九鼎建设集团有限公司 | Steel pipe concrete node anti-seismic structure |
| CN116591306A (en) * | 2023-06-07 | 2023-08-15 | 重庆交通大学 | Beam column connection node for assembled building |
| CN116591306B (en) * | 2023-06-07 | 2024-03-19 | 重庆交通大学 | A beam-column connection node for prefabricated buildings |
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