T-shaped masonry wall constructional column pouring method

Abstract

The invention relates to the technical field, in particular to a T-shaped masonry wall constructional column pouring method which comprises the following specific steps: deeply designing steel bar arrangement of a constructional column, ensuring that stirrups are arranged on the lower side of the position of each layer of bolt holes, binding constructional column structural steel bars and binding and fixing central connecting pieces; the center connecting piece is of a triangular structure, each vertex of the center connecting piece is provided with a connecting rod, and the end of each connecting rod is connected with a plugging head through a threaded connector. The pouring formworks are installed one by one; the external pulling screw rod is in threaded connection with the plugging head; a transverse keel and a longitudinal keel are additionally arranged on the outer side of the pouring formwork; an E-shaped clamp and a nut are connected to the external pulling screw rod; the hidden quality danger of later-stage water seepage of the pull rod hole is avoided through the built-in center connecting piece; the arrangement of structural steel bars is deeply designed, it is ensured that stirrups are arranged on the lower sides of the bolt holes in each layer, the center connecting piece is convenient to bind and fix, and meanwhile displacement of the center connecting piece during concrete pouring is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of structural column casting, in particular to a method for casting a T-shaped masonry wall structural column. Background Art

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

[0003] At present, during the secondary structure construction process on the construction site, when encountering T-shaped masonry wall structural columns, the template fixing methods usually used are: after punching through the masonry wall, use the tension screw method to reinforce, use the diagonal brace method to reinforce one end of the wall, and use the brace method to reinforce when there is a wall on the opposite side; but according to the construction experience of on-site construction personnel, the above three template reinforcement methods have great disadvantages: 1. The method of punching through the wall and using the tension screw will cause great damage to the wall, and it is difficult to repair the brick wall hole. There is a risk of cracking in the wall, and there are many holes to be repaired later, which wastes labor and materials; 2. Although the diagonal brace method is used for reinforcement, although there is no damage to the wall, the steel pipe diagonal brace is used, the steel pipe material usage is large, and the diagonal brace needs to be pre-buried with support points. After the steel pipe is installed, it occupies a large working surface, which is inconvenient for concrete pouring; 3. When there is a wall opposite the structural column template, the brace method is used. Like the diagonal brace method, it has the disadvantages of occupying a large site and using a large amount of materials. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a

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

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

[0007] S1: Based on the T-shaped masonry wall structure and the position of the tension bolt holes on the casting formwork, the steel bar arrangement of the structural column is further designed to ensure that stirrups are set under the bolt holes of each layer;

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

[0009] S3: Corresponding to the position of the tension bolt holes on the casting formwork, a central connector is tied on the stirrup layer with the corresponding height; the central connector is a triangular structure, and the three vertices correspond to the casting formwork on the three sides respectively. A connecting rod extending outward is provided on each vertex of the central connector, and a threaded joint is provided at the end of the connecting rod;

[0010] S4: Each threaded joint is connected to a plugging head, and the plugging head has a built-in threaded hole;

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

[0012] S6: Thread the external tension screw rod and the plugging head through the tension bolt holes on the casting formwork;

[0013] S7: Add a transverse keel to the outside of the casting formwork, and add a longitudinal keel to the outside of the transverse keel. The transverse keel is made of wood and the longitudinal keel is made of steel pipe;

[0014] S8: Connect the mountain-shaped clamp and nut to the external pull screw to fix the casting formwork;

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

[0016] S10: After the concrete strength reaches the preset demolding strength, remove the nuts, mountain clips, external pull screws, longitudinal keels, transverse keels and casting formwork in sequence for secondary use.

[0017] Preferably, a further technical solution of the present invention is:

[0018] Preferably, a reinforcing rib is provided in the central connecting member corresponding to each vertex, and the reinforcing rib is provided along the midline and intersects at the center of gravity.

[0019] Preferably, the connecting rod extends outwardly along the midline at the apex of the central connecting member.

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

[0021] Preferably, the side cross-section of the plugging head is a trapezoidal structure, the small end of the plugging head is connected to the threaded joint, and the large end abuts against the inner side of the casting template.

[0022] Preferably, in step S8, pay attention to fixing the casting formwork, first fix the two L-shaped casting formworks, and finally fix the straight section formwork; the two L-shaped casting formworks are symmetrically arranged on the left and right, the horizontal part of the L-shaped casting formwork abuts against the inner side of the corresponding horizontal wall, and the vertical part of the L-shaped casting formwork abuts against the side of the longitudinal wall; the straight section formwork abuts against the outer sides of the two horizontal walls.

[0023] Compared with the prior art, the present invention adopting the above technical solution has the following outstanding features:

[0024] This method directly eliminates the quality hazard of water seepage in the tie rod holes of the concrete structure in the later stage through the built-in central connector; by deepening the design of the structural steel bar layout, it is ensured that stirrups are provided on the lower side of the bolt hole position of each layer, which is convenient for the binding and fixing of the central connector, while avoiding the displacement of the central connector during concrete pouring, resulting in loose connection of the outer tie screw and poor stability of the casting formwork; at the same time, the central connector can be used as a reinforcing bar for the internal structural steel bars, thereby enhancing the overall stability of the structural column and further improving the strength and deformation resistance of the structure; the casting formwork, transverse keel, longitudinal keel and other components can be disassembled and reused after the concrete reaches the demolding strength, which reduces the construction cost and conforms to the concept of green construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of a central connecting member in an embodiment of the present invention;

[0026] Figure 2 Schematic diagram of the connection structure between the threaded joint and the plugging head in an embodiment of the present invention;

[0027] Figure 3 2 is a schematic diagram of the structure when the plugging head is connected to the external pull screw in an embodiment of the present invention;

[0028] Figure 4 It is a structural schematic diagram of installing a casting formwork in an embodiment of the present invention;

[0029] Figure 5 It is a structural schematic diagram of the longitudinal keel and the transverse keel when they are installed in an embodiment of the present invention;

[0030] Figure 6 It is a schematic diagram of the overall top view structure after all the casting templates of the T-shaped masonry wall structural column in the embodiment of the present invention are fixed.

[0031] Explanation of the accompanying drawings: 1. Center connecting piece; 2. Connecting rod; 201, threaded joint; 3. Reinforcement rib; 4. Sealing head; 5. External pull screw; 6. L-shaped casting formwork; 7. Straight section formwork; 8. Horizontal wall; 9. Longitudinal wall; 10. Horizontal keel; 11. Longitudinal keel; 12. Mountain-shaped card. DETAILED DESCRIPTION

[0032] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

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

[0034] S1: According to the T-shaped masonry wall structure and the position of the tension bolt holes on the casting formwork, the reinforcement arrangement of the structural column is further designed to ensure that stirrups are set on the lower side of the bolt holes on each layer.

[0035] S2: Tie structural reinforcement of structural columns according to detailed design drawings.

[0036] S3: Corresponding to the position of the tension bolt holes on the casting formwork, the center connector 1 is tied on the stirrup layer of the corresponding height; the center connector 1 is a triangular structure, and the three vertices correspond to the casting formwork on the three sides respectively. Each vertex of the center connector 1 is provided with a connecting rod 2 extending outward, and the end of the connecting rod 2 is provided with a threaded joint 201; the connecting rod 2 extends outward along the center line at the vertex of the center connector 1. A reinforcing rib 3 is also provided in the center connector 1 corresponding to each vertex, and the reinforcing rib 3 is provided along the center line and intersects at the center of gravity.

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

[0038] Furthermore, the side cross-section of the plugging head 4 is a trapezoidal structure, the small end of the plugging head 4 is connected to the threaded joint 201, and the large end abuts against the inner side 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 sides of the two transverse walls 8.

[0040] S6: The external tension screw 5 is threadedly connected to the plugging head 4 through the tension bolt holes on the casting formwork.

[0041] S7: A transverse keel 10 is added to the outside of the casting formwork, and a longitudinal keel 11 is added to the outside of the transverse keel 10. The transverse keel 10 is made of wood, and the longitudinal keel 11 is made of steel pipe.

[0042] S8: Connect the mountain-shaped clamp 12 and the nut to the external pull screw 5 to fix the casting formwork.

[0043] It should be noted that, when fixing the casting formwork, the two L-shaped casting formworks 6 are fixed first, and the straight section formwork 7 is fixed last.

[0044] S9: The casting formwork on the three sides is all fixed and the concrete is poured.

[0045] S10: After the concrete strength reaches the preset demoulding strength, the nuts, the mountain-shaped clips 12, the external pull screws 5, the longitudinal keels 11, the transverse keels 10 and the casting formwork are removed in sequence for secondary use.

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

[0047] The above description is only the preferred embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made by using the contents of the present invention specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A method for casting a T-shaped masonry wall structural column, characterized in that: The specific steps are as follows: S1: Based on the T-shaped masonry wall structure and the position of the tension bolt holes on the casting formwork, the steel bar arrangement of the structural column is further designed to ensure that stirrups are set under the bolt holes of each layer; S2: Tie structural steel bars of structural columns according to detailed design drawings; S3: corresponding to the position of the tension bolt holes on the casting formwork, a central connecting piece (1) is tied on the stirrup layer of corresponding height; the central connecting piece (1) is in a triangular structure, and the three vertices correspond to the casting formwork on three sides respectively. A connecting rod (2) extending outward is provided on each vertex of the central connecting piece (1), and a threaded joint (201) is provided at the end of the connecting rod (2); S4: Each threaded joint (201) is connected to a plugging head (4), and the plugging head (4) has a threaded hole built therein; S5: Install the casting formwork one by one; S6: Threading the external tension screw (5) and the plugging head (4) through the tension bolt holes on the casting template; S7: Add a transverse keel (10) to the outside of the casting template, add a longitudinal keel (11) to the outside of the transverse keel (10), the transverse keel (10) is made of wood, and the longitudinal keel (11) is made of steel pipe; S8: Connect the mountain clamp (12) and the nut to the external pull screw (5) to fix the casting template; S9: The pouring formwork on the three sides is all fixed and the concrete is poured; S10: After the concrete strength reaches the preset demoulding strength, the nuts, the mountain clamps (12), the external pull screws (5), the longitudinal keels (11), the transverse keels (10) and the casting formwork are removed in sequence for secondary use.

2. The method for casting T-shaped masonry wall structural columns according to claim 1, characterized in that: A reinforcing rib (3) is also arranged in the central connecting member (1) corresponding to each vertex. The reinforcing ribs (3) are arranged along the midline and intersect at the center of gravity.

3. The method for casting T-shaped masonry wall structural columns according to claim 1, characterized in that: The connecting rod (2) extends outward along the center line at the apex of the central connecting member (1).

4. The method for casting T-shaped masonry wall structural columns according to claim 1, characterized in that: Step S4, after the threaded joint (201) is connected to the plugging head (4), the outer end of the plugging head (4) abuts against the inner side of the casting template.

5. The method for casting T-shaped masonry wall structural columns according to claim 4, characterized in that: The side cross-section of the plugging head (4) is a trapezoidal structure; the small end of the plugging head (4) is connected to the threaded joint (201), and the large end abuts against the inner side of the casting template.

6. The method for casting T-shaped masonry wall structural columns according to claim 1, characterized in that: Step S8, note that when fixing the casting template, first fix the two L-shaped casting templates (6), and finally fix the 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 sides of the two transverse walls (8).

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