CN-121992869-A - Anchoring connection structure of assembled beam column and anchoring construction method

CN121992869ACN 121992869 ACN121992869 ACN 121992869ACN-121992869-A

Abstract

The invention relates to the technical field of beam column node reinforcement in general building structures, in particular to an anchoring connection structure of an assembled beam column and an anchoring construction method based on the anchoring connection structure of the assembled beam column. According to the anchoring connection structure of the assembled beam column, the rectangular sleeve is formed by the rear end I-shaped steel plate, the side I-shaped steel plate and the front end steel plate limiting assembly, the vertical ribs, the transverse fastening steel bars and the like are poured after the rectangular sleeve is matched, a three-dimensional reinforcing system is formed, sand concrete pouring is combined, the steel member and the prefabricated concrete upright post are tightly combined to form the composite anchoring connection structure, the structural strength and the stability of a beam column node are obviously improved, the annular check rings are formed by the front end steel plate limiting assembly, the sleeve is matched with the rear end plate bolt mounting holes, the adjusting function of the prefabricated concrete beam can be reserved, and the reinforcing and the flexibility are taken into consideration.

Inventors

LI MING
WANG KUI
JIANG YUAN
LIU PINGAN
HUANG QI
ZHANG AO
XU HAILI
LI HONGJIANG

Assignees

中国电建集团成都勘测设计研究院有限公司

Dates

Publication Date: 20260508
Application Date: 20260211

Claims (10)

1. The utility model provides an anchor connection structure of assembled beam column, including precast concrete stand (100) and precast concrete crossbeam (200), the preceding terminal surface and the rear end face of precast concrete stand (100) are provided with bolt through hole (101) that a plurality of is linked together, the pre-buried a plurality of screw sleeve that has of precast concrete crossbeam (200) preceding terminal surface, a plurality of high strength bolt (201) run through respectively and set up in bolt through hole (101), and the front end of high strength bolt (201) inserts the screw sleeve of precast concrete crossbeam (200) preceding terminal surface through the mode of screw fit in, the rear end exposes outside the rear end face of precast concrete stand (100) and carries out fixed locking through lock nut (202), bolt through hole (101) are provided with the multiunit so that precast concrete crossbeam (200) can install in different high position, a serial communication port, including rear end I-shaped steel sheet (1), a side I-shaped steel plate (2), The rear pouring vertical rib (3) and the front end steel plate limiting assembly (4), the front end steel plate limiting assembly (4) is arranged at the front end face of the precast concrete stand column (100) and consists of two front end limiting devices which are bilaterally symmetrical, the two front end limiting devices are fastened together through a plurality of transverse fastening steel bars (5), a plurality of first implanting ribs (6) are fixed on the transverse fastening steel bars (5), the inner ends of the first implanting ribs (6) are implanted into the front end face of the precast concrete stand column (100), the front end limiting devices comprise a front end shell panel and a semi-annular retainer ring, the semi-annular retainer ring is fixedly connected to the back face of the front end shell panel, the rear end I-shaped steel plate (1) is arranged at the rear end face of the precast concrete stand column (100), two side I-shaped steel plates (2) are arranged and are respectively arranged at the left side end face and the right side end face of the precast concrete stand column (100), the rear end I-shaped steel plate (1), The side I-shaped steel plates (2) comprise special-shaped I-shaped steel plate bodies (11) which are composed of outer peripheral plates (111), inner baffle plates (112) and middle position connecting plates (113), wherein the inner baffle plates (112) are tightly attached to the outer wall of a precast concrete column (100) and are smaller than the outer peripheral plates (111) in width, one side edge of each middle position connecting plate (113) is fixed in the center of each outer peripheral plate (111), the other side edge of each middle position connecting plate is fixed in the center of each inner baffle plate (112), the outer peripheral plates (111) of the side I-shaped steel plates (2), the outer peripheral plates (111) of the rear end I-shaped steel plates (1) and the front end shell panels form rectangular sleeves which are arranged outside the precast concrete column (100), semi-annular check rings of two front end limiting devices are combined to form annular check rings, the positions of the annular check rings are matched with the positions of bolt through holes (101), part of the annular check rings are correspondingly sleeved outside the front ends of precast concrete beams (200), one ends of the annular check rings are in sealing connection with the front end shell panels, The other end of the back end I-shaped steel plate is in sealing connection with the front end face of the precast concrete stand column (100), a plurality of back end plate bolt mounting holes (14) are formed in the back end I-shaped steel plate (1), sleeves (15) are respectively arranged in the back end plate bolt mounting holes (14), the front ends of the sleeves (15) are sleeved outside bolt through holes (101) in the back end face of the precast concrete stand column (100) in a one-to-one correspondence manner, the front ends of the sleeves (15) are in sealing connection with the back end face of the precast concrete stand column (100) relative to the peripheral plate (111) of the precast concrete stand column (100), the back end of the sleeves (15) penetrates through the peripheral plate (111) of the back end I-shaped steel plate (1), at least four back pouring studs (3) are arranged on the inner side of a rectangular sleeve in a rectangular array, two ends of each transverse fastening reinforcing steel bar (5) are respectively correspondingly fixed on the two back pouring studs (3), gravel concrete is poured in a spacing space between the outer wall of the precast concrete stand column (100) and the inner side of the rectangular sleeve, the transverse fastening steel bars (5) and the embedded steel bars (6) are buried in the gravel concrete.
2. The anchoring connection structure of the fabricated beam column according to claim 1, wherein the width of the inner baffle (112) is not more than half of the width of the outer peripheral plate (111), and the sleeve (15) is fixedly connected with the bolt mounting hole (14) of the rear end plate in a threaded fit manner.
3. The anchoring connection structure of the fabricated beam column according to claim 1, wherein the annular retainer ring is in extrusion sealing connection with the outer wall of the precast concrete column (100) through a rubber layer.
4. The anchoring connection structure of the fabricated beam column according to claim 1, wherein the middle position connecting plate (113) of the rear end i-shaped steel plate (1) and the middle position connecting plate (113) of the side i-shaped steel plate (2) are respectively provided with a plurality of connecting rib mounting holes (115), the plurality of connecting rib mounting holes (115) of the rear end i-shaped steel plate (1) are respectively provided with transverse connecting bars (13), the plurality of connecting rib mounting holes (115) of the side i-shaped steel plate (2) are respectively provided with longitudinal connecting bars (21), two ends of the transverse connecting bars (13) are respectively connected with one ends of the longitudinal connecting bars (21) of the two side i-shaped steel plates (2) and form a n-shaped structural bar, the other ends of the longitudinal connecting bars (21) respectively penetrate through a front end shell panel and are fastened through nuts, and the n-shaped structural bars are fixed with the rear pouring studs (3) and are buried in gravel concrete.
5. The anchoring connection structure of the fabricated beam column according to claim 4, wherein a plurality of front pouring studs (102) are embedded in the precast concrete column (100), rectangular hoops (103) are sleeved outside the front pouring studs (102), a plurality of embedded rib locking holes (114) are formed in each of an inner baffle (112) of the rear end I-shaped steel plate (1) and an inner baffle (112) of the side I-shaped steel plate (2), a plurality of embedded rib second mounting holes (104) are formed in the rear end face and the left side end face and the right side end face of the precast concrete column (100), a plurality of embedded rib second (12) are mounted in the embedded rib second mounting holes (104), the inner ends of the embedded ribs second (12) are fixed on the front pouring studs (102) or the rectangular hoops (103) inside the precast concrete column (100), the outer ends of the embedded ribs second (12) correspondingly penetrate through the embedded rib locking holes (114) of the rear end I-shaped steel plate (1) or the side I-shaped steel plate (2), the embedded rib second mounting holes (104), the embedded rib locking holes (114) and the embedded ribs second mounting holes (12) are correspondingly arranged on the left side end face and right side end faces of the precast concrete column (100), the embedded ribs are correspondingly embedded in the embedded ribs, and the embedded ribs second mounting holes (12) are in a mode of being matched with the embedded ribs second mounting holes, and the embedded ribs are filled with the embedded ribs second mounting holes and the embedded ribs.
6. The anchoring connection structure of the fabricated beam column according to claim 5, wherein a plurality of first embedded rib mounting holes are formed in the front end face of the precast concrete column (100), the first embedded ribs (6) are in one-to-one correspondence with the first embedded rib mounting holes, the first embedded ribs (6) are mounted in the first embedded rib mounting holes, the inner ends of the first embedded ribs (6) are fixed on front pouring studs (102) or rectangular stirrups (103) in the precast concrete column (100), and cement mortar or sealant is filled in gaps between the first embedded ribs (6) and the first embedded rib mounting holes.
7. The anchoring connection structure of the fabricated beam column according to claim 5, wherein a plurality of first operation holes (22) are formed in an outer peripheral plate (111) of the side I-shaped steel plate (2) and are provided with first plugs in a threaded fit mode, the first operation holes (22) are used for pouring casting raw materials of gravel concrete, the outer end nuts of the second implantation bars (12) are fastened, the transverse connection bars (13) are fixedly connected with the longitudinal connection bars (21), and the longitudinal connection bars (21) are fixedly connected with the rear casting studs (3).
8. The anchoring connection structure of the fabricated beam column according to claim 1, wherein the front end shell panel comprises side plates (41) and shell plates (44), one side end of each side plate (41) is sealed and butted with an outer coaming (111) of a side I-shaped steel plate (2), the other side end of each side plate is straight and sealed and butted with the shell plates (44), a plurality of side baffles (42) are vertically and fixedly connected to the back surface of each side plate (41), the side baffles (42) are vertically arranged at intervals, a plurality of shell plates (44) are vertically and fixedly connected with n-shaped limiting plates (43) at intervals, each n-shaped limiting plate (43) is composed of a vertical limiting plate and two transverse limiting plates, the transverse limiting plates are vertically connected to the upper end and the lower end of the vertical limiting plates, the vertical limiting plates of the n-shaped limiting plates (43) in the two front end limiting devices are tightly attached together, the vertical limiting plates of the n-shaped limiting plates (43) are vertically and fixedly connected with n-shaped limiting plates (43) along the vertical limiting plates at intervals, two screw caps (5) are arranged in a penetrating mode, and are arranged in a threaded mode, and are far away from each other, and are connected with two threaded steel bar fastening holes (5) in a threaded mode.
9. The anchoring connection structure of the fabricated beam column according to claim 8, wherein an operation opening two (441) is arranged in the center of the outer shell plate (44) and is provided with a plug two in a threaded fit manner, the operation opening two (441) is used for pouring casting raw materials of gravel concrete, fastening nuts on the transverse fastening steel bars (5), fastening of the implantation steel bars one (6) and the transverse fastening steel bars (5) and fastening of the transverse fastening steel bars (5) and the post casting stud (3).
10. An anchoring construction method of an assembled beam column, characterized in that the anchoring connection structure is implemented based on the assembled beam column according to any one of claims 1 to 9, and comprises the following steps: Step S1, pretreatment of an assembled beam column: Setting up a temporary support at the periphery of the assembled beam column, and temporarily supporting a precast concrete beam (200) of the assembled beam column, roughening the outer wall of the precast concrete column (100), and correspondingly shoveling if a painting layer, a damaged position or a crack position exists on the outer wall of the precast concrete column (100); step S2, installing the implanted ribs: If the embedded rib II (12) is designed, the inner end of the embedded rib II (12) is correspondingly fixed on the precast concrete stand column (100); Step S3, a rear end I-shaped steel plate (1), a side I-shaped steel plate (2), a rear pouring stud (3), a front end steel plate limiting assembly (4), a transverse fastening steel bar (5) and a sleeve (15) are installed; S4, casting gravel concrete: Pouring the casting raw materials of the gravel concrete into the rectangular sleeve, and dismantling the temporary support after the maintenance of the gravel concrete is finished, so as to finish the installation of the anchoring connection structure of the fabricated beam column; step S5, adjusting the precast concrete beam (200): When the assembly position of the precast concrete beam (200) needs to be adjusted, firstly binding the precast concrete beam (200) by using a crane, and then removing locking nuts (202) and high-strength bolts (201) at two end areas of the precast concrete beam (200); If a transverse gap is reserved at the joint of the precast concrete beam (200) and the precast concrete stand column (100), and the end part of the precast concrete beam (200) can withdraw from the annular check ring of the front end steel plate limiting assembly (4), lifting the precast concrete beam (200) and enabling the first end of the precast concrete beam to be tightly attached to the precast concrete stand column (100), and the second end of the precast concrete beam to withdraw from the annular check ring of the front end steel plate limiting assembly (4); If the connection part of the precast concrete beam (200) and the precast concrete stand column (100) is not provided with a transverse gap or the reserved transverse gap is insufficient to enable the end part of the precast concrete beam (200) to directly withdraw from the annular check ring of the front end steel plate limiting assembly (4), one end of the precast concrete beam (200) is cut, the other end of the precast concrete beam (200) is fixed, the precast concrete beam (200) is provided with a hoisting space in the length direction, the precast concrete beam (200) is hoisted to another assembly position integrally, preset gaps are reserved at the connection parts of the two ends of the precast concrete beam (200) and the precast concrete stand column (100), and finally the precast concrete beam (200) is installed and fixed by utilizing high-strength bolts (201) and locking nuts (202).

Description

Anchoring connection structure of assembled beam column and anchoring construction method Technical Field The invention relates to the technical field of beam column node reinforcement in general building structures, in particular to an anchoring connection structure of an assembled beam column and an anchoring construction method based on the anchoring connection structure of the assembled beam column. Background The prefabricated building has the advantages of factory prefabrication and field assembly, greatly shortens the construction period, reduces the field workload and becomes an important direction of development of the building industry. The beam column connecting node is used as a core stress part of the assembled frame structure, and the connection reliability of the beam column connecting node directly determines the bearing capacity and the earthquake resistance of the whole building. In the prior art, the assembled Liang Zhuchang adopts a connecting structure as shown in fig. 1, and comprises a precast concrete stand column 100 and a precast concrete cross beam 200, wherein a plurality of bolt through holes 101 communicated with each other are formed in the front end face and the rear end face of the precast concrete stand column 100, a plurality of threaded sleeves are pre-embedded in the front end face of the precast concrete cross beam 200, a plurality of high-strength bolts 201 are respectively arranged in the bolt through holes 101 in a penetrating manner, the front ends of the high-strength bolts 201 are inserted into the threaded sleeves in the front end face of the precast concrete cross beam 200 in a threaded fit manner, the rear ends of the high-strength bolts are exposed out of the rear end face of the precast concrete stand column 100 and are fixedly locked through locking nuts 202, and a plurality of groups of bolt through holes 101 are formed so that the precast concrete cross beam 200 can be installed at different height positions. The structure has the characteristics of convenient installation and adjustment and simple construction flow, is widely applied to small-span assembled buildings, is limited by the structure, and has the obvious defects that the through holes of bolts of the precast concrete stand columns are too many to greatly reduce and damage the structural strength of the precast concrete stand columns, and meanwhile, the adopted single-beam single-column structure has unbalanced acting force of a single beam on the column, so that the precast concrete stand columns are easy to damage under the extreme conditions of earthquake and the like, and has great potential safety hazard. Therefore, how to perform anchoring connection and construction on the existing fabricated beam column structure is an urgent problem to be solved. The existing beam column node reinforcing mode generally wraps section steel or concrete is poured on the outer side of a beam column at the node to permanently reinforce the joint of the beam column, and the beam column node is cured although the strength is high, so that the beam can not be detached and the position of the beam can not be adjusted, and the structural function of the assembled beam column is greatly reduced. In addition, chinese patent document with publication number CN120006994a discloses a rapid reinforcement structure and construction method for prefabricated beam-column joints, which includes a prefabricated composite member, a beam end connector, a column boundary reinforcement and a beam boundary adjuster, wherein the column boundary reinforcement is disposed around the column outer wall of the beam-column joint, the prefabricated composite member is disposed around the column outer wall at least within the geometrical height range of the beam and is stacked vertically in multiple layers with staggered beams, the prefabricated composite member at the lowest layer is fixed to the upper portion of the column boundary reinforcement, the beam end connector is disposed on two sides of the beam-column joint, and the beam end connector is fixedly connected with the multiple layers of prefabricated composite members and two sides of the beam respectively. The scheme aims at wrapping the beam-column joints by surrounding and stacking prefabricated reinforcing members on the columns of the beam-column joints so as to enlarge the rigid domain range of the beam-column joints, and damaging a beam concrete protective layer by a beam boundary adjusting piece when an earthquake is rarely applied, so that the plastic hinge is far away from the beam-column interface, and the integrity of the beam-column joints is further ensured. The scheme is to strengthen beam column joints of the fixed structure, and the detachable and position adjusting functions of the beam are not considered to be reserved. Disclosure of Invention The invention aims to solve the technical problem of providing an anchoring connection structure of an assembled beam