T-shaped masonry wall construction column pouring method

Abstract

The application relates to the technical field, in particular to a T-shaped masonry wall construction column pouring method, and the specific steps are as follows: deepening design is conducted on the steel bar arrangement of the construction column to ensure that a stirrup is arranged at the lower side of the position of each layer of bolt holes, the construction column structural steel bar is bound, and a central connecting piece is bound and fixed; the central connecting piece is in a triangular structure, one connecting rod is arranged on each vertex of the central connecting piece, the end of the connecting rod is connected with a plugging head through a threaded joint; pouring formworks are installed one by one; the outer pull screw rod is threadedly connected with the plugging head; transverse keels and longitudinal keels are additionally arranged outside the pouring formworks; a mountain-shaped clamp and a nut are connected on the outer pull screw rod; the method avoids the quality hidden danger of water seepage of the pull rod hole in the later period through the built-in central connecting piece; through deepening design of the structural steel bar arrangement, it is ensured that a stirrup is arranged at the lower side of the position of each layer of bolt holes, the central connecting piece is conveniently bound and fixed, and displacement of the central connecting piece during pouring of the concrete is avoided.

Description

Technical Field

[0001] This invention relates to the field of structural column casting technology, specifically a method for casting T-shaped masonry wall structural columns. Background Technology

[0002] In the secondary structure construction of building projects, brick wall construction is still the most common construction method. Among the brick wall construction, the common wall shapes are T-shaped, straight, and L-shaped. Except for straight and L-shaped, the fixing of T-shaped structural column formwork is often the most complicated.

[0003] Currently, during secondary structure construction at construction sites, when encountering T-shaped masonry wall structural columns, the common methods for fixing the formwork include: reinforcing with tie rods after penetrating the masonry wall, reinforcing with diagonal bracing at one end of the wall, and reinforcing with cross bracing when there is a wall opposite. However, based on the construction experience of on-site personnel, these three formwork reinforcement methods have significant drawbacks: 1. Using tie rods after penetrating the wall causes significant damage to the wall, making it difficult to repair the brick wall opening, posing a risk of wall cracking, and requiring numerous repairs later, wasting labor and materials; 2. While diagonal bracing does not damage the wall, it uses steel pipes, requiring a large amount of steel pipe material, and the diagonal bracing requires pre-embedded support points, resulting in a large workspace after installation, which is inconvenient for concrete pouring; 3. Using cross bracing when there is a wall opposite the structural column formwork has the same drawbacks as diagonal bracing, requiring a large area and a large amount of material. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide a solution.

[0005] The technical solution adopted by this invention to solve its technical problem is:

[0006] A method for casting T-shaped masonry wall structural columns, the specific steps of which are as follows:

[0007] S1: Based on the T-shaped masonry wall structure and the location of tie bolt holes on the casting formwork, the reinforcement layout of the structural columns is further designed to ensure that stirrups are provided on the underside of the bolt holes on each floor.

[0008] S2: Tie the structural steel bars of the structural columns according to the detailed design drawings;

[0009] S3: At the corresponding position of the tie bolt hole on the casting template, tie the central connector on the stirrup layer at the corresponding height; the central connector has a triangular structure, with the three vertices corresponding to the casting template on the three sides respectively, and each vertex of the central connector is provided with an outwardly extending connecting rod, and the end of the connecting rod is provided with a threaded joint.

[0010] S4: Each threaded joint is connected to a sealing head with an internal threaded hole;

[0011] S5: Install the pouring formwork one by one;

[0012] S6: Connect the external tie rod to the sealing head via the tie bolt holes on the casting template;

[0013] S7: Add horizontal joists to the outside of the casting formwork, and add longitudinal joists to the outside of the horizontal joists. The horizontal joists are made of timber, and the longitudinal joists are made of steel pipes.

[0014] S8: Connect the U-shaped clip and nut to the external tie rod to fix the casting template;

[0015] S9: The formwork on all three sides is fixed, and the concrete is poured.

[0016] S10: After the concrete strength reaches the preset demolding strength, remove the nuts, U-shaped clips, external tie rods, longitudinal joists, transverse joists and pouring formwork in sequence for secondary reuse.

[0017] As a preferred embodiment, a further technical solution of the present invention is:

[0018] Preferably, a reinforcing rib is provided in the central connector for each vertex, the reinforcing ribs are arranged along the center line and intersect at the center of gravity.

[0019] Preferably, the connecting rod extends outward along the centerline at the apex of the central connector.

[0020] Preferably, in step S4, after the threaded connector is connected to the plug, the outer end of the plug abuts against the inner side of the casting template.

[0021] Preferably, the side cross-section of the sealing head is trapezoidal, with the small end of the sealing head connected to the threaded joint and the large end abutting against the inside of the casting template.

[0022] Preferably, in step S8, when fixing the casting template, first fix the two L-shaped casting templates, and finally fix the straight section template; the two L-shaped casting templates are set symmetrically on the left and right, the horizontal part of the L-shaped casting template abuts against the inner side of the corresponding transverse wall, and the vertical part of the L-shaped casting template abuts against the side of the longitudinal wall; the straight section template abuts against the outer side of the two transverse walls.

[0023] The present invention, which adopts the above technical solution, has the following prominent features compared with the prior art:

[0024] This method directly eliminates the potential quality hazard of water seepage in the tie rod holes of the concrete structure through the built-in central connector. By refining the design of the structural reinforcement layout, it ensures that stirrups are provided below the bolt holes on each floor, facilitating the binding and fixing of the central connector while preventing displacement of the central connector during concrete pouring, which could lead to insecure external tie rod connections and poor stability of the pouring formwork. At the same time, the central connector can also serve as a reinforcing bar for the internal structural reinforcement, enhancing the overall stability of the structural columns and further improving the strength and deformation resistance of the structure. The pouring formwork, horizontal joists, and longitudinal joists can be disassembled and reused after the concrete reaches the demolding strength, reducing construction costs and conforming to the concept of green construction. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the central connector in an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the connection structure between the threaded joint and the sealing head in an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure when the sealing head is connected to the external pull screw in an embodiment of the present invention;

[0028] Figure 4 This is a structural schematic diagram of the installation of the casting template in an embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure of the longitudinal and transverse keels during installation in an embodiment of the present invention;

[0030] Figure 6 This is a top view of the overall structure after all the formwork for the T-shaped masonry wall structural column has been fixed in an embodiment of the present invention.

[0031] Explanation of reference numerals in the attached drawings: 1. Central connector; 2. Connecting rod; 201. Threaded joint; 3. Reinforcing rib; 4. Sealing head; 5. External tie rod; 6. L-shaped casting formwork; 7. Straight section formwork; 8. Horizontal wall; 9. Longitudinal wall; 10. Horizontal keel; 11. Longitudinal keel; 12. Mountain-shaped clip. Detailed Implementation

[0032] The present invention will be further illustrated below with reference to specific embodiments. The purpose of this illustration is solely to provide a better understanding of the invention. Therefore, the examples given do not limit the scope of protection of the present invention.

[0033] like Figures 1 to 6 As shown in the figure, this embodiment provides a method for casting T-shaped masonry wall structural columns. The specific steps are as follows:

[0034] S1: Based on the T-shaped masonry wall structure and the location of tie bolt holes on the casting formwork, the reinforcement layout of the structural columns is further designed to ensure that stirrups are provided on the underside of the bolt holes on each floor.

[0035] S2: Tie the structural steel bars of the structural columns according to the detailed design drawings.

[0036] S3: At the corresponding positions of the tie bolt holes on the casting template, tie the central connector 1 to the stirrup layer at the corresponding height. The central connector 1 has a triangular structure, with its three vertices corresponding to the three sides of the casting template. Each vertex of the central connector 1 is provided with an outwardly extending connecting rod 2, and the end of the connecting rod 2 is provided with a threaded joint 201. The connecting rod 2 extends outward along the centerline at the vertex of the central connector 1. A reinforcing rib 3 is also provided inside the central connector 1 corresponding to each vertex. The reinforcing rib 3 is set along the centerline and intersects at the center of gravity.

[0037] S4: Each threaded joint 201 is connected to a sealing head 4, and the sealing head 4 has a built-in threaded hole; after the sealing head 4 is connected to the threaded joint 201, the outer end of the sealing head 4 abuts against the inner side of the casting template.

[0038] Furthermore, the side cross-section of the sealing head 4 is trapezoidal, with the small end of the sealing head 4 connected to the threaded joint 201, and the large end abutting against the inside of the casting template.

[0039] S5: Install the casting templates one by one; including two L-shaped casting templates 6 and one straight section template 7; the two L-shaped casting templates 6 are symmetrically arranged on the left and right, the horizontal part of the L-shaped casting template 6 abuts against the inner side of the corresponding transverse wall 8, and the vertical part of the L-shaped casting template 6 abuts against the side of the longitudinal wall 9; the straight section template 7 abuts against the outer side of the two transverse walls 8.

[0040] S6: Connect the external tie rod 5 to the sealing head 4 through the tie bolt holes on the casting template.

[0041] S7: Add a horizontal keel 10 to the outside of the casting formwork, and add a longitudinal keel 11 to the outside of the horizontal keel 10. The horizontal keel 10 is made of timber, and the longitudinal keel 11 is made of steel pipe.

[0042] S8: Connect the mountain-shaped clip 12 and nut to the external tie rod 5 to fix the casting template.

[0043] It is important to note that when fixing the casting template, first fix the two L-shaped casting templates 6, and finally fix the straight section template 7.

[0044] S9: Once all three sides of the casting formwork are fixed, concrete is poured.

[0045] S10: After the concrete strength reaches the preset demolding strength, remove the nuts, mountain-shaped clips 12, external tie rods 5, longitudinal joists 11, transverse joists 10, and pouring formwork in sequence for secondary reuse.

[0046] In this method, the overall strength and deformation resistance of the structural column are further improved by adopting the design of triangular central connector 1 and reinforcing rib 3; the trapezoidal structure design of the sealing head 4 fits tightly with the inner side of the template, effectively preventing concrete leakage and ensuring the quality of pouring; the pouring template, horizontal keel 10, longitudinal keel 11 and other components can be disassembled and reused after the concrete reaches the demolding strength, which reduces construction costs and conforms to the concept of green construction.

[0047] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the invention. All equivalent changes made based on the description and drawings of the present invention are included within the scope of the present invention.

Claims

1. A method of pouring a T-shaped masonry wall construction column, characterized by, The specific steps are as follows: S1: According to the position of the T-shaped masonry wall structure and the position of the pull bolt hole on the pouring formwork, the steel bar arrangement of the structural column is deepened, and it is ensured that the position of each layer of bolt hole is provided with a stirrup on the lower side; S2: According to the deepening design drawing, the structural column steel bar is bound; S3: Corresponding to the position of the pouring formwork pull bolt hole, the center connecting piece (1) is bound on the height corresponding stirrup layer; The center connecting piece (1) is in a triangular structure, and three vertices correspond to three sides of the pouring formwork respectively; Each vertex of the center connecting piece (1) is provided with a connecting rod (2) extending outward, and the connecting rod (2) is provided with a threaded joint (201) at the end; S4: Each threaded joint (201) is connected with a plugging head (4), and the plugging head (4) is provided with a threaded hole; After the threaded joint (201) is connected with the plugging head (4), the outer end of the plugging head (4) abuts against the inner side of the pouring formwork; The side section of the plugging head (4) is in a trapezoidal structure, the small end of the plugging head (4) is connected with the threaded joint (201), and the large end abuts against the inner side of the pouring formwork; S5: The pouring formwork is installed one by one; S6: The outer pull screw rod (5) is threadedly connected with the plugging head (4) through the pull bolt hole on the pouring formwork; S7: The transverse keel (10) is additionally arranged outside the pouring formwork, and the longitudinal keel (11) is additionally arranged outside the transverse keel (10); The transverse keel (10) is made of a wood square, and the longitudinal keel (11) is made of a steel pipe; S8: The mountain-shaped clamp (12) and the nut are connected on the outer pull screw rod (5) to fix the pouring formwork; S9: After the pouring formwork on three sides is completely fixed, the concrete is poured; S10: After the strength of the concrete reaches the preset demolding strength, the nut, the mountain-shaped clamp (12), the outer pull screw rod (5), the longitudinal keel (11), the transverse keel (10) and the pouring formwork are taken down in turn for secondary circulation.

2. The T-masonry wall construction column pouring method according to claim 1, wherein: The center connecting piece (1) is additionally provided with a reinforcing rib (3) corresponding to each vertex, the reinforcing rib (3) is arranged along the center line and intersects at the center of gravity.

3. The T-masonry wall construction column pouring method according to claim 1, wherein: The connecting rod (2) extends outward along the center line at the vertex of the center connecting piece (1).

4. The T-wall construction column pouring method of claim 1, wherein: In step S8, when the pouring formwork is fixed, two L-shaped pouring formworks (6) are fixed first, and a straight section formwork (7) is fixed last; The two L-shaped pouring formworks (6) are symmetrically arranged, the horizontal part of the L-shaped pouring formwork (6) abuts against the inner side of the corresponding transverse wall (8), and the vertical part of the L-shaped pouring formwork (6) abuts against the side of the longitudinal wall (9); The straight section formwork (7) abuts against the outer sides of the two transverse walls (8).

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