Shear wall and superposed beam T-shaped steel end connecting node

By using T-shaped steel connection and on-site pouring concrete in the connection nodes between the shear wall and the overlapping beam, the problems of insufficient connection strength and poor overlapping effect in the prior art are solved, and a high-strength and reliable connection effect is achieved.

CN222771627UActive Publication Date: 2025-04-18HENAN LYUJIAN BUILDING TECH CO LTD
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Patent Information

Application Number
CN202421362249.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-18
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

In the prior art, the connection strength between the shear wall and the overlapping beam is insufficient, and the ends of the overlapping beam are prone to cracking, which affects the overlapping effect. The pull-on anchoring method is not suitable for longer shear walls and connecting two overlapping beams at the same time.

Method used

The T-shaped steel connection node is used, and the T-shaped ends of the left T-shaped steel and the right T-shaped steel are connected together, and the vertical connecting plate and bolt assembly are fixedly connected as one, horizontal flange plates and anti-cracking ribs are added, and the connection nodes are reinforced by on-site cast concrete.

Benefits of technology

It significantly improves the connection strength between the shear wall and the overlapping beam, ensures the stability and overlapping effect of the end of the overlapping beam. It is suitable for longer shear walls and connecting two overlapping beams at the same time, making it easy to operate and reliable.

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Abstract

A shear wall and superposed beam T-shaped steel end connecting joint is characterized in that the shear wall comprises an upper-layer steel-concrete combined pipe and a lower-layer steel-concrete combined pipe which are correspondingly arranged up and down, the length direction of the superposed beam is horizontally arranged in the left-right direction, the left end of the superposed beam is close to the right side of the lower-layer steel-concrete combined pipe, right T-shaped steel is embedded in the left end of the superposed beam, and the right T-shaped steel is embedded in the right T-shaped steel. Left T-shaped steel is arranged in the lower-layer steel-concrete combined pipe, the right end of the left T-shaped steel is in butt joint with the T-shaped end face of the left end of right T-shaped steel, and the right end of the left T-shaped steel and the right T-shaped steel are fixedly connected into a whole through a vertical connecting plate and a bolt assembly. And the bottom of the left T-shaped steel is connected with a tie anchoring rod which horizontally extends into the outer wrapped concrete layer of the lower-layer steel-concrete combined pipe. The connection structure is reliable in connection and high in strength, left-right butt joint construction of the superposed beam and the shear wall is more convenient, quicker and more accurate, the strength of the connection joint is greatly improved through cast-in-place concrete, and the structural stability of the whole joint is ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of assembled buildings, and in particular relates to a connection node between a shear wall and a T-shaped steel end of a composite beam. Background Art

[0002] The utility model patent application numbered 202420105548.1 protects a prefabricated shear wall and composite beam connection node. The patent has the following shortcomings in the actual construction process:

[0003] 1) The shear wall and the composite beam are connected by vertical connecting plates (steel plates), which have the disadvantage of weak connection strength at the nodes.

[0004] 2) Since there is no embedded steel bar on the top of the composite beam cast in the factory, it is easy to crack during transportation and hoisting, especially the top surface of the end of the composite beam, which affects the overlapping effect between the on-site casting and the composite beam.

[0005] 3) The tie anchor rods are connected by threading the tie steel bars cast in the shear wall with the internal threaded sleeve joints embedded in the composite beams. They cannot be used to connect the left and right sides of the shear wall with two composite beams at the same time, and are not suitable for longer shear walls. Therefore, the application area is greatly limited, the operation is cumbersome, and the tie strength is insufficient. Utility Model Content

[0006] In order to solve the deficiencies in the prior art, the utility model provides a shear wall and composite beam T-shaped steel end connection node with high connection strength, strong tie anchoring reliability, and good on-site casting and composite beam superposition effect.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions: a shear wall and a T-shaped steel end connection node of a composite beam, the shear wall includes an upper steel-concrete composite pipe and a lower steel-concrete composite pipe arranged correspondingly from top to bottom, the length direction of the composite beam is horizontally arranged along the left and right directions, the left end of the composite beam is adjacent to the right side of the lower steel-concrete composite pipe, a right T-shaped steel is embedded inside the left end of the composite beam, a left T-shaped steel is arranged in the lower steel-concrete composite pipe, the left T-shaped steel includes a left horizontal flange plate and a left vertical web plate arranged on the upper surface of the left horizontal flange plate; the right T-shaped steel includes a right horizontal flange plate and a right vertical web plate arranged on the upper surface of the right horizontal flange plate;

[0008] The right side of the left T-shaped steel and the left side of the right T-shaped steel are fixedly connected as a whole through an on-site connection component; the bottom of the left T-shaped steel is connected to a tie anchor rod extending horizontally to the inside of the outer concrete layer of the lower steel-concrete composite pipe.

[0009] Furthermore, the on-site connection assembly includes a vertical connection plate and a first bolt assembly, the T-shaped end surfaces of the right end of the left T-steel and the left end of the right T-steel are butted against each other, and the left T-steel and the right T-steel are fixedly connected as a whole through the vertical connection plate and the first bolt assembly.

[0010] Furthermore, the on-site connection assembly includes a second bolt assembly, the right side edge of the left horizontal flange plate is butted against the left side edge of the right horizontal flange plate, the right vertical web plate extends to the left above the left horizontal flange plate, the rear side or front side of the left vertical web plate is affixed with the front side or rear side of the right vertical web plate and fixedly connected as one by the second bolt assembly.

[0011] Furthermore, the left end of the left horizontal flange plate contacts and is welded to the right side of the right vertical channel steel of the lower steel-concrete composite pipe, the left end of the left vertical web plate passes through the right vertical channel steel and the right reinforcing channel steel of the lower steel-concrete composite pipe and extends into the inner cavity of the lower steel-concrete composite pipe, and the front and rear sides of the left vertical web plate are welded to the left side of the right reinforcing channel steel.

[0012] Furthermore, two tie anchor rods are symmetrically arranged front and back about the left vertical web. The tie anchor rods are made of long steel plates. A slot is opened at the right end of the tie anchor rod along the left and right directions. The left horizontal flange plate extends into the slot. The upper and lower surfaces of the left horizontal flange plate are welded to the tie anchor rods.

[0013] Furthermore, an anchor plate arranged horizontally along the front-to-back direction is provided in the middle part of the lower steel-concrete composite pipe in the left-right direction, the front end of the anchor plate extends out of the front steel plate of the lower steel-concrete composite pipe and is welded to the front tie anchor rod, and the rear end of the anchor plate extends out of the rear steel plate of the lower steel-concrete composite pipe and is welded to the rear tie anchor rod.

[0014] Furthermore, the left ends of the two tie anchor rods extend to the left side of the left vertical channel steel of the lower steel-concrete composite pipe, and a tie strip plate horizontally arranged along the front-to-back direction is fixedly connected between the left ends of the two tie anchor rods, and the tie strip plate is fitted with the left side surface of the left vertical channel steel of the lower steel-concrete composite pipe.

[0015] Furthermore, the right half of the right T-shaped steel is embedded in the composite beam; the lower part of the composite beam is embedded with beam bottom bars horizontally arranged along the left-right direction, and a number of prefabricated stirrups evenly spaced along the left-right direction are embedded in the composite beam, the lower part of the prefabricated stirrups is tied together with the beam bottom bars, and the upper ends of the prefabricated stirrups extend upward from the upper surface of the composite beam, and the upper ends of all the prefabricated stirrups are tied with cast-in-place steel bars parallel to the beam bottom bars, and the left ends of the cast-in-place steel bars pass through the right vertical channel steel and the right reinforcing channel steel of the lower steel-concrete composite pipe and extend into the lower steel-concrete composite pipe; the part of the right horizontal flange plate embedded in the composite beam is in contact with the beam bottom bars and welded as a whole, and a number of anti-cracking bars embedded in the composite beam are provided on the upper side of the right vertical web.

[0016] Furthermore, the anti-cracking ribs include vertical connecting ribs and transverse anti-cracking ribs arranged along the front-to-back direction, the lower end of the vertical connecting ribs is welded to the upper side of the right vertical web, the middle part of the transverse anti-cracking ribs is welded to the upper end of the vertical connecting ribs, and the front and rear ends of the transverse anti-cracking ribs are bent downwards;

[0017] Anchor reinforcements arranged in the left-right direction and extending into the interior of the composite beam are welded on the side of the right vertical web; a through hole that is transparent from front to back is opened inside the composite beam on the right vertical web.

[0018] Furthermore, T-shaped anchor nails are welded on the upper surface of the right horizontal flange plate and the front and rear sides of the right vertical web plate;

[0019] Node area stirrups are provided between the cast-in-place steel bars between the left end of the composite beam and the right side of the lower steel-concrete composite pipe and below the horizontal flange plate.

[0020] By adopting the above technical solution, the connection node between the shear wall and the composite beam in the utility model is mainly connected by T-shaped steel. Compared with the connection node between the prefabricated shear wall and the composite beam with patent application number 202420105548.1, a horizontal flange plate is added, and the node connection strength is greatly improved.

[0021] The right end of the left T-shaped steel is butted against the T-shaped end surface of the left end of the right T-shaped steel, and are fixedly connected as a whole through a vertical connecting plate and a first bolt assembly. The butt positioning is more precise, and it is convenient to operate on site, and the connection strength is reliable.

[0022] After the right vertical web extends to the left, it fits with the surface of the left vertical web and is directly connected as a whole through the second bolt assembly, which is convenient for operation.

[0023] The cast-in-place steel bars in the upper part (arranged at intervals in front and behind) are tied on site, which is easy to operate. The connection node area and the top of the composite beam are cast as one by pouring concrete on site to ensure the reliability of the connection.

[0024] The left vertical web of the left T-shaped steel extends into the interior of the lower steel-concrete composite pipe, and the cast-in-place concrete inside the lower steel-concrete composite pipe makes the left vertical web and the steel-concrete composite pipe become one.

[0025] The tie anchor further reinforces the connection between the left T-steel and the lower steel-concrete composite pipe. The tie anchor is pre-buried in the outer concrete layer of the lower steel-concrete composite pipe. The tie anchor adopts two forms. One is to weld an anchor plate passing through the lower steel-concrete composite pipe at the left end of the tie anchor rod, and the anchor plate passes through the inside of the lower steel-concrete composite pipe; the other is that the tie anchor rod extends to the left side of the left vertical channel steel, and a tie strip is welded between the two tie anchor rods.

[0026] The part of the right horizontal flange plate embedded in the composite beam is in contact with the bottom reinforcement of the beam and welded as a whole, the upper side of the right vertical web is welded with anchor reinforcement arranged in the left and right directions and extending into the inside of the composite beam, and the upper surface of the right horizontal flange plate and the front and rear sides of the right vertical web are welded with T-shaped anchor nails, so that there is a strong connection between the right T-steel and the composite beam, ensuring the firmness of the overall connection between the right T-steel and the composite beam, while also improving the strength of the right T-steel itself.

[0027] The setting of anti-cracking reinforcement allows the anti-cracking reinforcement to solidify into one with the concrete on the upper part of the composite beam when pouring concrete in the factory, ensuring that the concrete on the upper part of the composite beam will no longer crack, which not only improves the quality of the composite beam, but also further improves the connection strength between the right T-steel and the composite beam.

[0028] The through holes are set up so that when pouring concrete for composite beams in factory construction, the concrete passes through the through holes on the vertical webs, so that the concrete on the front and rear sides of the vertical webs are connected as a whole through the through holes.

[0029] In summary, the utility model has a reliable connection and high strength, and the left and right butt joint construction of the composite beam and the shear wall is more convenient, quick and accurate. The strength of the connection node is greatly improved by pouring concrete on site, ensuring the stability of the entire node structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional structural schematic diagram of the first embodiment of the utility model;

[0031] Figure 2 It is a schematic diagram of the planar structure of the first embodiment of the utility model;

[0032] Figure 3 It is a schematic diagram of the plane structure of the composite beam;

[0033] Figure 4 yes Figure 3 Middle AA section view;

[0034] Figure 5 It is a three-dimensional structural schematic diagram of the second embodiment of the utility model;

[0035] Figure 6 It is a schematic diagram of the planar structure of the second embodiment of the utility model;

[0036] Figure 7 It is a schematic diagram of the planar structure of the third embodiment of the present utility model. DETAILED DESCRIPTION

[0037] Embodiment 1: Figure 1-Figure 4As shown, the shear wall of the utility model is connected to the T-steel end of the composite beam. The shear wall includes an upper steel-concrete composite pipe 1 and a lower steel-concrete composite pipe 2 which are arranged correspondingly from top to bottom. The length direction of the composite beam 3 is horizontally arranged along the left-right direction. The left end of the composite beam 3 is adjacent to the right side of the lower steel-concrete composite pipe 2. A right T-steel is pre-buried inside the left end of the composite beam 3. A left T-steel is arranged inside the lower steel-concrete composite pipe 2. The right side of the left T-steel and the left side of the right T-steel are fixedly connected as a whole through an on-site connection component; the left T-steel includes a left horizontal flange plate 6 and a left vertical web plate 7 provided on the upper surface of the left horizontal flange plate 6, and the right T-steel includes a right horizontal flange plate 12 and a right vertical web plate 13 provided on the upper surface of the right horizontal flange plate 12; the bottom of the left T-steel is connected to a tie anchor rod 5 which extends horizontally to the inside of the outer concrete layer of the lower steel-concrete composite pipe 2.

[0038] The on-site connection assembly includes a vertical connection plate 4 and a first bolt assembly. The T-shaped end surfaces of the right end of the left T-steel and the left end of the right T-steel are butted against each other. The left T-steel and the right T-steel are fixedly connected as a whole through the vertical connection plate 4 and the first bolt assembly.

[0039] The left end of the left horizontal flange plate 6 contacts the right side surface of the right vertical channel steel 8 of the lower steel-concrete composite pipe 2, and the left end of the left vertical web plate 7 passes through the right vertical channel steel 8 and the right reinforcing channel steel 9 of the lower steel-concrete composite pipe 2 and extends into the inner cavity of the lower steel-concrete composite pipe 2.

[0040] Two tie anchor rods 5 are symmetrically arranged front and back about the left vertical web 7. The tie anchor rods 5 are made of long steel plates. A slot is opened at the right end of the tie anchor rod 5 along the left and right directions. The left horizontal flange plate 6 extends into the slot. The upper and lower surfaces of the left horizontal flange plate 6 are welded to the tie anchor rod 5.

[0041] An anchor plate 10 horizontally arranged along the front-to-back direction is provided in the middle part of the lower steel-concrete composite pipe 2 in the left-right direction. The front end of the anchor plate 10 extends out of the front steel plate of the lower steel-concrete composite pipe 2 and is welded to the front tie anchor rod 5, and the rear end of the anchor plate 10 extends out of the rear steel plate of the lower steel-concrete composite pipe 2 and is welded to the rear tie anchor rod 5.

[0042] The right half of the right T-shaped steel is embedded in the composite beam 3; the lower part of the composite beam 3 is embedded with a beam bottom reinforcement 11 horizontally arranged along the left and right directions, and a plurality of prefabricated stirrups 14 evenly spaced along the left and right directions are embedded in the composite beam 3. The lower part of the prefabricated stirrups 14 is tied together with the beam bottom reinforcement 11, and the upper end of the prefabricated stirrups 14 extends upward from the upper surface of the composite beam 3. The upper ends of all the prefabricated stirrups 14 are tied with cast-in-place steel bars 15 parallel to the beam bottom reinforcement 11, and the left ends of the cast-in-place steel bars 15 pass through the right vertical channel steel 8 and the right reinforcing channel steel 9 of the lower steel-concrete composite pipe 2 and extend into the lower steel-concrete composite pipe 2; the part of the right horizontal flange plate 12 embedded in the composite beam 3 is in contact with the beam bottom reinforcement 11 and welded as a whole, and the upper side of the right vertical web 13 is provided with a plurality of anti-cracking bars 16 embedded in the composite beam 3.

[0043] The anti-cracking ribs 16 include vertical connecting ribs 18 and transverse anti-cracking ribs 17 arranged along the front-to-back direction. The lower end of the vertical connecting ribs 18 is welded to the upper side of the right vertical web 13, and the middle part of the transverse anti-cracking ribs 17 is welded to the upper end of the vertical connecting ribs 18. The front and rear ends of the transverse anti-cracking ribs 17 are bent downward.

[0044] Anchor reinforcement bars 19 arranged in the left-right direction and extending into the composite beam 3 are welded to the upper side of the right vertical web 13 ; a through hole 20 that is transparent from front to back is opened in the composite beam 3 on the right vertical web 13 .

[0045] T-shaped anchor nails 21 are welded to the upper surface of the right horizontal flange plate 12 and the front and rear side surfaces of the right vertical web plate 13 .

[0046] A node area stirrup 22 is provided between the cast-in-place steel bars 15 between the left end of the composite beam 3 and the right side of the lower steel-concrete composite pipe 2 and below the horizontal flange plate.

[0047] The connection node between the shear wall and the composite beam 3 in the utility model is mainly connected by T-shaped steel. Compared with the connection node between the assembled shear wall and the composite beam 3 with patent application number 202420105548.1, a horizontal flange plate is added, and the node connection strength is greatly improved.

[0048] The right end of the left T-shaped steel is butted against the T-shaped end surface of the left end of the right T-shaped steel, and are fixedly connected as a whole through a vertical connecting plate 4 and a bolt assembly. The butt positioning is more accurate, and it is convenient to operate on site, and the connection strength is reliable.

[0049] The upper cast-in-place steel bars 15 (arranged at intervals in front and behind) are tied on site, which is easy to operate. The support formwork below the connection node and the front and rear sides are connected. The connection node and the top of the composite beam 3 are cast as one by pouring concrete on site to ensure the reliability of the connection.

[0050] The left vertical web 7 of the left T-shaped steel extends into the interior of the lower steel-concrete composite pipe 2, and the cast-in-place concrete inside the lower steel-concrete composite pipe 2 makes the left vertical web 7 and the steel-concrete composite pipe become one.

[0051] The tie anchor further reinforces the connection between the left T-shaped steel and the lower steel-concrete composite pipe 2. The tie anchor is pre-buried in the outer concrete layer of the lower steel-concrete composite pipe 2. The tie anchor is welded to the left end of the tie anchor rod 5 with an anchor plate 10 passing through the lower steel-concrete composite pipe 2. The anchor plate 10 passes through the lower steel-concrete composite pipe 2.

[0052] The portion of the right horizontal flange plate 12 embedded in the composite beam 3 is in contact with the beam bottom reinforcement 11 and welded as a whole, the upper side edge of the right vertical web 13 is welded with anchor reinforcement 19 arranged in the left-right direction and extending into the composite beam 3, and the upper surface of the right horizontal flange plate 12 and the front and rear sides of the right vertical web 13 are welded with T-shaped anchor nails 21, so that there is a strong connection between the right T-shaped steel and the composite beam 3, ensuring the firmness of the overall connection between the right T-shaped steel and the composite beam 3, while also improving the strength of the right T-shaped steel itself.

[0053] The anti-cracking ribs 16 are provided so that when pouring concrete in the factory, the anti-cracking ribs 16 and the concrete on the upper portion of the composite beam 3 are solidified into one, ensuring that the concrete on the upper portion of the composite beam 3 will no longer crack, which not only improves the quality of the composite beam 3, but also further improves the connection strength between the right T-shaped steel and the composite beam 3.

[0054] The through holes 20 are provided so that when the composite beam 3 is poured with concrete in the factory, the concrete passes through the through holes 20 on the vertical web, so that the concrete on the front and rear sides of the vertical web are connected as a whole through the through holes 20.

[0055] Embodiment 2: Figure 5-Figure 6 As shown, the difference between this embodiment and the first embodiment is that the left ends of the two tie anchor rods 5 extend to the left side of the left vertical channel steel 23 of the lower steel-concrete composite pipe 2, and a tie strip 24 horizontally arranged along the front-to-back direction is fixedly connected between the left ends of the two tie anchor rods 5, and the tie strip is fitted with the left side surface of the left vertical channel steel 23 of the lower steel-concrete composite pipe 2.

[0056] Embodiment 3: Figure 7 As shown, the difference between this embodiment and the first and second embodiments is that the on-site connection assembly includes a second bolt assembly 25, the right side edge of the left horizontal flange plate 6 is butted against the left side edge of the right horizontal flange plate 12, the right vertical web 13 extends to the left above the left horizontal flange plate 6, and the rear side or front side of the left vertical web 7 is affixed to the front side or rear side of the right vertical web 13 and fixedly connected as a whole by the second bolt assembly 25.

[0057] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. A shear wall and a T-shaped steel end connection node of a composite beam, wherein the shear wall comprises an upper steel-concrete composite pipe and a lower steel-concrete composite pipe arranged correspondingly from top to bottom, and the length direction of the composite beam is arranged horizontally in the left-right direction, and the left end of the composite beam is adjacent to the right side of the lower steel-concrete composite pipe, characterized in that: A right T-shaped steel is embedded in the left end of the composite beam, and a left T-shaped steel is arranged in the lower steel-concrete composite pipe. The left T-shaped steel includes a left horizontal flange plate and a left vertical web plate arranged on the upper surface of the left horizontal flange plate; the right T-shaped steel includes a right horizontal flange plate and a right vertical web plate arranged on the upper surface of the right horizontal flange plate; The right side of the left T-shaped steel and the left side of the right T-shaped steel are fixedly connected as a whole through an on-site connection component; the bottom of the left T-shaped steel is connected to a tie anchor rod extending horizontally to the inside of the outer concrete layer of the lower steel-concrete composite pipe.

2. The shear wall and composite beam T-steel end connection node according to claim 1, characterized in that: The on-site connection assembly includes a vertical connection plate and a first bolt assembly. The T-shaped end surfaces of the right end of the left T-steel and the left end of the right T-steel are butted against each other. The left T-steel and the right T-steel are fixedly connected as a whole through the vertical connection plate and the first bolt assembly.

3. The shear wall and composite beam T-steel end connection node according to claim 1, characterized in that: The on-site connection assembly includes a second bolt assembly, the right side edge of the left horizontal flange plate is butted against the left side edge of the right horizontal flange plate, the right vertical web plate extends to the left above the left horizontal flange plate, the rear side or front side of the left vertical web plate is affixed with the front side or rear side of the right vertical web plate and fixedly connected as a whole by the second bolt assembly.

4. The shear wall and composite beam T-steel end connection node according to any one of claims 1 to 3, characterized in that: The left end of the left horizontal flange plate contacts and is welded to the right side of the right vertical channel steel of the lower steel-concrete composite pipe, the left end of the left vertical web plate passes through the right vertical channel steel and the right reinforcing channel steel of the lower steel-concrete composite pipe and extends into the inner cavity of the lower steel-concrete composite pipe, and the front and rear sides of the left vertical web plate are welded to the left side of the right reinforcing channel steel.

5. The shear wall and composite beam T-shaped steel end connection node according to claim 4, characterized in that: Two tie anchor rods are symmetrically arranged about the left vertical web. The tie anchor rods are made of long steel plates. A slot is opened at the right end of the tie anchor rod along the left and right directions. The left horizontal flange plate extends into the slot. The upper and lower surfaces of the left horizontal flange plate are welded to the tie anchor rods.

6. The shear wall and composite beam T-shaped steel end connection node according to claim 5, characterized in that: An anchor plate arranged horizontally along the front-to-back direction is provided in the middle part of the lower steel-concrete composite pipe in the left-right direction. The front end of the anchor plate extends out of the front steel plate of the lower steel-concrete composite pipe and is welded to the front tie anchor rod, and the rear end of the anchor plate extends out of the rear steel plate of the lower steel-concrete composite pipe and is welded to the rear tie anchor rod.

7. The shear wall and composite beam T-shaped steel end connection node according to claim 5, characterized in that: The left ends of the two tie anchor rods extend to the left side of the left vertical channel steel of the lower steel-concrete composite pipe, and a tie strip plate horizontally arranged along the front-to-back direction is fixedly connected between the left ends of the two tie anchor rods, and the tie strip plate is fitted with the left side surface of the left vertical channel steel of the lower steel-concrete composite pipe.

8. The shear wall and composite beam T-steel end connection node according to any one of claims 1 to 3, characterized in that: The right half of the right T-shaped steel is embedded in the composite beam; the lower part of the composite beam is embedded with beam bottom reinforcement horizontally arranged along the left and right directions, and a number of prefabricated stirrups evenly spaced along the left and right directions are embedded in the composite beam. The lower part of the prefabricated stirrups is tied together with the beam bottom reinforcement, and the upper end of the prefabricated stirrups extends upward from the upper surface of the composite beam. The upper ends of all the prefabricated stirrups are tied with cast-in-place steel bars parallel to the beam bottom reinforcement, and the left end of the cast-in-place steel bars passes through the right vertical channel steel and the right reinforcing channel steel of the lower steel-concrete composite pipe and extends into the lower steel-concrete composite pipe; the part of the right horizontal flange plate embedded in the composite beam is in contact with the beam bottom reinforcement and welded as a whole, and a number of anti-cracking bars embedded in the composite beam are provided on the upper side of the right vertical web.

9. The shear wall and composite beam T-shaped steel end connection node according to claim 8, characterized in that: The anti-cracking ribs include vertical connecting ribs and transverse anti-cracking ribs arranged along the front-to-back direction. The lower end of the vertical connecting ribs is welded to the side of the right vertical web, the middle of the transverse anti-cracking ribs is welded to the upper end of the vertical connecting ribs, and the front and rear ends of the transverse anti-cracking ribs are bent downwards. Anchor reinforcements arranged in the left-right direction and extending into the composite beam are welded on the side of the right vertical web; a through hole that is transparent from front to back is opened inside the composite beam on the right vertical web.

10. The shear wall and composite beam T-steel end connection node according to claim 8, characterized in that: T-shaped anchor nails are welded on the upper surface of the right horizontal flange plate and the front and rear sides of the right vertical web; Node area stirrups are provided between the cast-in-place steel bars between the left end of the composite beam and the right side of the lower steel-concrete composite pipe and below the horizontal flange plate.

Citation Information

Patent Citations

  • Fabricated shear wall and superposed beam connecting node

    CN221778730U