A device for reinforcing weak parts of templates at wall-penetrating steel pipes and its construction method

Abstract

The present invention provides a device for reinforcing the weak parts of the template at the through-wall steel pipe and a construction method thereof, which relates to the field of building construction technology, including a first reinforcing component, a second reinforcing component and a through bolt, the first reinforcing component includes a first "T"-shaped sleeve and a first plugging piece, the second reinforcing component includes a second "T"-shaped sleeve and a second plugging piece, the first "T"-shaped sleeve and the first plugging piece, the second "T"-shaped sleeve and the second plugging piece are all connected by connecting rods; the first "T"-shaped sleeve and the second "T"-shaped sleeve are both sleeved on the through-wall steel pipe, and are respectively located on the inner and outer sides of the wall; the through bolt is located in the through-wall steel pipe, and the two ends of the through bolt extend out of the first plugging piece and the second plugging piece respectively. The beneficial effect of the present invention is that the templates at the weak links on both sides of the through-wall steel pipe can be strengthened, and vibration can be strengthened in this area to ensure that the concrete inside the shear wall in the through-wall pipe area is densely poured and the outer surface is flat and smooth.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a device for reinforcing a weak part of a template at a wall-penetrating steel pipe and a construction method thereof. Background Art

[0002] In building construction, especially for shear walls with waterproofing requirements, when setting through-wall steel pipes, the construction steps are to first fix the steel pipes on the structural steel bars. The steel pipes extending out of the wall form an obstacle to the installation of the formwork, and it is necessary to cut round holes of the same diameter and position to ensure accuracy, which is time-consuming and labor-intensive; the wall mold and the contact surface of the sleeve are not processed to fit, and the holes are not tight and leak slurry, causing the inside of the wall to be loose and prone to water leakage. In order to prevent leakage, small pieces of materials or soft cloth are used to fill them. After the mold is removed, the surface is uneven, and it is difficult to achieve the smooth and solid effect of one-time pouring with later repairs. Summary of the invention

[0003] The purpose of the present invention is to provide a device for strengthening the weak part of the template at the through-wall steel pipe and a construction method thereof, so as to solve the technical problems existing in the prior art that it is time-consuming and laborious to cut a circular hole with the same diameter and ensure the position is accurate, the wall mold and the contact surface of the sleeve are not processed in a close fit, the hole is not tight and the slurry leaks, causing the wall to be loose inside and easily leak, and the surface is uneven after demolding when small pieces of material or soft cloth are used for filling, and it is difficult to achieve the flat and solid effect of one-time pouring with later repairs. The many technical effects that can be produced by the preferred technical scheme among the many technical schemes provided by the present invention are described in detail below.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The present invention provides a device for reinforcing a weak part of a template at a through-wall steel pipe, comprising a first reinforcing assembly, a second reinforcing assembly and a through-bolt, wherein the first reinforcing assembly comprises a first "T"-shaped sleeve and a first blocking member, and the second reinforcing assembly comprises a second "T"-shaped sleeve and a second blocking member, wherein:

[0006] The first “T”-shaped sleeve and the first blocking member, as well as the second “T”-shaped sleeve and the second blocking member are connected by connecting rods;

[0007] The first "T"-shaped sleeve and the second "T"-shaped sleeve are both sleeved on the wall-penetrating steel pipe, and are respectively located on the inner and outer sides of the wall;

[0008] The through-bolt is located in the wall-penetrating steel pipe, and two ends of the through-bolt extend out of the first blocking piece and the second blocking piece respectively.

[0009] Preferably, the first "T"-shaped sleeve and the second "T"-shaped sleeve both include a sleeve structure and an end plate, wherein:

[0010] The end plate adopts an inner circle and outer square structure, the inner circle diameter of the end plate is the same as the inner diameter of the sleeve structure, the inner circle center of the end plate is aligned with the center of the sleeve structure, and the end plate is welded to one end of the sleeve structure;

[0011] A plurality of first connection positions are evenly arranged in the circumference of the other end of the sleeve structure for connection with the connection rod.

[0012] Preferably, the thickness of the end plate is not less than 8 mm, the inner diameter of the end plate is not less than 6 mm to 8 mm of the outer diameter of the through-wall steel pipe, and the inner ring of the end plate is not less than 100 mm away from the outer square edge.

[0013] Preferably, the first blocking member and the second blocking member are both made of circular steel plates, wherein:

[0014] The diameter of the circular steel plate is the same as the diameter of the sleeve structure, and the thickness of the circular steel plate is 10 mm;

[0015] A hole structure is arranged at the center of the circular steel plate for the through-bolt to pass through, the diameter of the through-bolt is not less than 10 mm, and the length of the through-bolt extending out of the first blocking member and the second blocking member is not less than 100 mm;

[0016] A plurality of connection positions corresponding to the first connection positions are evenly distributed on the circumference of the hole structure and are used for connecting with the connection rod.

[0017] Preferably, the sleeve structure adopts a steel sleeve with a length of 300 mm and a wall thickness of 6 mm, and the number of connecting rods is four, and the connecting rods adopt round steel with a length of 100 mm and a diameter of not less than 12 mm.

[0018] Preferably, it also includes an isolation layer, which is arranged on the end plate and located on the side contacting the concrete wall surface.

[0019] Preferably, the isolation layer is a painted isolation agent or a pasted plastic film.

[0020] Preferably, it also includes a seal, which is arranged between the first "T"-shaped sleeve and the wall-penetrating steel pipe, and between the second "T"-shaped sleeve and the wall-penetrating steel pipe.

[0021] Preferably, the sealing element is a rubber felt strip.

[0022] A construction method for strengthening a weak portion of a template at a through-wall steel pipe, using the above-mentioned device for strengthening a weak portion of a template at a through-wall steel pipe, comprises the following steps:

[0023] S1: Two sets of reinforcement components are processed according to the outer diameter of the through-wall steel pipe, including:

[0024] S11: The casing structure of the “T” type casing has the same hole diameter as the end plate and is welded concentrically;

[0025] S12: Both ends of the connecting rod are respectively connected to the casing structure and the plugging member;

[0026] S2: Processing the isolation layer, painting or pasting the isolation layer on one side of the end plate;

[0027] S3: Install the reinforcement device, fix the through-wall steel pipe on the steel bars of the wall, weld the limit steel bar heads at the inner and outer wall skin lines, respectively sleeve the first reinforcement component and the second reinforcement component on the inner and outer sides of the through-wall steel pipe at the wall, clamp the end plate at the limit steel bar heads, and fix them by through bolts;

[0028] S4: Concrete pouring. After the concrete solidifies, it can be dismantled and reused.

[0029] The present invention provides a device for reinforcing the weak part of the template at the through-wall steel pipe and a construction method thereof. The first reinforcing component includes a first "T"-shaped sleeve and a first plugging piece, and the first "T"-shaped sleeve and the first plugging piece are connected by a connecting rod; the second reinforcing component includes a second "T"-shaped sleeve and a second plugging piece, and the second "T"-shaped sleeve and the second plugging piece are connected by a connecting rod. When in use, the first "T"-shaped sleeve 11 and the second "T"-shaped sleeve are both sleeved on the through-wall steel pipe, and are respectively located on the inner and outer sides of the wall body. The through bolts are located in the through-wall steel pipe, and the two ends of the through bolts extend out of the first plugging piece and the second plugging piece respectively, so as to strengthen the templates at the weak links on both sides of the through-wall steel pipe. Vibration can be strengthened in the area of ​​the reinforcing device to ensure that the concrete inside the shear wall in the through-wall pipe area is densely poured and the outer surface is flat and smooth. It is suitable for strengthening through-wall steel pipes such as water supply and drainage, heating, and electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a structural schematic diagram of an embodiment of a device for reinforcing a weak portion of a template at a through-wall steel pipe of the present invention;

[0032] Figure 2 It is a schematic diagram of the elevation structure of the device for reinforcing the weak part of the template at the wall-penetrating steel pipe of the present invention.

[0033] In the figure: 1. first reinforcement assembly; 11. first "T"-shaped sleeve; 111. sleeve structure; 112. end plate; 12. first blocking piece; 2. second reinforcement assembly; 21. second "T"-shaped sleeve; 22. second blocking piece; 3. through bolts; 4. wall formwork; 41. secondary square timber ribs of formwork system; 42. main steel pipe ribs of formwork system; 43. tension bolts of formwork system; 5. through-wall steel pipes; 6. wall; 10. connecting rod. DETAILED DESCRIPTION

[0034] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0035] The present invention provides a device for reinforcing the weak part of the template at the wall-penetrating steel pipe. Figure 1 Schematic diagram of the structure of this embodiment. Figure 1 As shown, it includes a first reinforcement component 1, a second reinforcement component 2 and a through bolt 3. The first reinforcement component 1 includes a first "T"-shaped sleeve 11 and a first sealing member 12, and the second reinforcement component 2 includes a second "T"-shaped sleeve 21 and a second sealing member 22.

[0036] Among them, the first "T"-shaped sleeve 11 and the first blocking piece 12, the second "T"-shaped sleeve 21 and the second blocking piece 22 are connected by a connecting rod 10; the first "T"-shaped sleeve 11 and the second "T"-shaped sleeve 21 are both sleeved on the wall-penetrating steel pipe 5, and are respectively located on the inner and outer sides of the wall 6.

[0037] In this embodiment, the first "T"-shaped sleeve 11 and the second "T"-shaped sleeve 21 are processed and manufactured according to the outer diameter of the wall-penetrating steel pipe 5. Preferably, the inner diameter of the first "T"-shaped sleeve 11 and the second "T"-shaped sleeve 21 is 6 to 8 mm larger than the outer diameter of the wall-penetrating steel pipe 5.

[0038] The through bolt 3 is located in the wall-penetrating steel pipe 5, and the two ends of the through bolt 3 extend out of the first blocking piece 12 and the second blocking piece 22 respectively. The first "T"-shaped sleeve 11 and the second "T"-shaped sleeve 21 are sleeved on the wall-penetrating steel pipe 5. After the installation is completed, the through bolt 3 is used to lock and fix it, thereby completing the installation of the reinforcement device for the weak part of the template at the wall-penetrating steel pipe.

[0039] The device for reinforcing the weak part of the template at the through-wall steel pipe is provided with a first reinforcing component 1 including a first "T"-shaped sleeve 11 and a first plugging piece 12, and the first "T"-shaped sleeve 11 and the first plugging piece 12 are connected by a connecting rod 10; the second reinforcing component 2 includes a second "T"-shaped sleeve 21 and a second plugging piece 22, and the second "T"-shaped sleeve 21 and the second plugging piece 22 are connected by a connecting rod 10. When in use, the first "T"-shaped sleeve 11 and the second "T"-shaped sleeve 21 are both sleeved on the through-wall steel pipe 5, and are respectively located on the inner and outer sides of the wall 6, and the through bolt 3 is located in the through-wall steel pipe 5, and the two ends of the through bolt 3 extend out of the first plugging piece 12 and the second plugging piece 22 respectively, so as to strengthen the template of the weak link on both sides of the through-wall steel pipe 5, and strengthen the vibration in the reinforcing device area, so as to ensure that the concrete inside the shear wall in the through-wall pipe area is densely poured, and the outer surface is flat and smooth, and is suitable for strengthening the through-wall steel pipes such as water supply and drainage, heating, and electricity.

[0040] As an optional implementation, the first “T”-shaped sleeve 11 and the second “T”-shaped sleeve 21 both include a sleeve structure 111 and an end plate 112 .

[0041] in, Figure 2 It is a elevation view of this embodiment, such as Figure 2 As shown, the end plate 112 is made of steel plate and has an inner circle and outer square structure. The inner diameter of the end plate 112 is the same as the inner diameter of the sleeve structure 111, the inner center of the end plate 112 is aligned with the center of the sleeve structure 111, and the end plate 112 is welded to one end of the sleeve structure 111. When the inner and outer sides of the wall 6 are molded together, the outer rectangular hole of the end plate 112 and the template fit the end plate 112, and only the reinforcement of the template is completed.

[0042] Specifically, in this embodiment, the thickness of the end plate 112 is not less than 8 mm, the inner diameter of the end plate 112 is not less than 6 mm to 8 mm of the outer diameter of the through-wall steel pipe 5, and the inner ring of the end plate 112 is not less than 100 mm from the outer square edge.

[0043] A plurality of first connection positions are evenly arranged at the circumference of the other end of the sleeve structure 111 for connecting with the connecting rod 10. In this embodiment, the sleeve structure 111 adopts a steel sleeve with a length of 300 mm and a wall thickness of 6 mm, and four connecting rods 10 are arranged, and the four connecting rods 10 are evenly distributed along the circumference of the sleeve structure 111 to make the force more uniform. Of course, more connecting rods 10 can be arranged according to actual use needs in actual use. Specifically, the connecting rod 10 adopts a round steel with a length of 100 mm and a diameter of not less than 12 mm to ensure the stability of use and avoid yielding and deformation of the connecting rod 10 during use.

[0044] As an optional implementation, the first blocking member 12 and the second blocking member 22 are both made of circular steel plates.

[0045] Among them, the diameter of the circular steel plate is the same as the diameter of the sleeve structure 111, and the thickness of the circular steel plate is 10mm; a hole structure is set in the center of the circular steel plate for the through bolt 3 to pass through, the diameter of the through bolt 3 is not less than 10mm, and the length of the through bolt 3 extending out of the outside of the first sealing member 12 and the second sealing member 22 is not less than 100mm.

[0046] In this embodiment, a plurality of connection positions corresponding to the first connection positions are evenly distributed on the circumference of the hole structure for connection with the connection rod 10 .

[0047] As an optional embodiment, an isolation layer is further included, which is arranged on the end plate 112 and located on the side contacting the concrete wall surface. Specifically, in this embodiment, the isolation layer is a brushed isolation agent or a pasted plastic film.

[0048] Before installation and use, the reinforcement device for the weak part of the template at the through-wall steel pipe is coated with an isolation agent or affixed with plastic cloth on the side of the end plate 112 contacting the concrete wall surface to isolate the concrete and the end plate, so that the reinforcement device can be reused after being removed and cleaned.

[0049] As an optional embodiment, a sealing member is further included, and the sealing member is arranged between the first "T"-shaped sleeve 11 and the through-wall steel pipe 5, and between the second "T"-shaped sleeve 21 and the through-wall steel pipe 5. Specifically, in this embodiment, the sealing member is a rubber felt strip.

[0050] By filling the gaps between the first "T"-shaped sleeve 11 and the wall-penetrating steel pipe 5 and between the second "T"-shaped sleeve 21 and the wall-penetrating steel pipe 5 with rubber felt strips, and cooperating with the arrangement of the first reinforcement component 1, the second reinforcement component 2 and the through-bolts 3, the quality of the concrete casting entity and the surface appearance around the wall-penetrating pipe can be effectively improved, and multiple inspections and repairs before the construction of the waterproof membrane can be avoided, and the problems of easy detachment and hollowing of the pasted waterproof membrane can be avoided. The waterproof membrane is easy to install and disassemble, and the operation is simple.

[0051] Specifically, the formwork system includes wall formwork 4, formwork system square wood secondary ribs 41, formwork system steel pipe main ribs 42, formwork system tension bolts 43, and the gap between the formwork system and the end plate 112 is filled with rubber felt strips. The formwork top support system may not be used in the casing area and can be dismantled after concrete pouring and forming and put into use again.

[0052] A construction method for strengthening a weak portion of a template at a through-wall steel pipe, using the above-mentioned device for strengthening a weak portion of a template at a through-wall steel pipe, comprises the following steps:

[0053] S1: Two sets of reinforcement components are processed according to the outer diameter of the through-wall steel pipe, including:

[0054] S11: The sleeve structure 111 of the "T"-shaped sleeve and the end plate 112 have the same aperture and are concentrically welded;

[0055] S12: Both ends of the connecting rod 10 are respectively connected to the sleeve structure 111 and the blocking member;

[0056] S2: Processing the isolation layer, painting or pasting the isolation layer on one side of the end plate;

[0057] S3: Install the reinforcement device, fix the through-wall steel pipe 5 on the steel bars of the wall 6, weld the limit steel bar heads at the inner and outer wall skin lines to prevent the concrete protective layer pads from falling off, and respectively put the first reinforcement component 1 and the second reinforcement component 2 on the inner and outer sides of the through-wall steel pipe at the wall, and clamp the end plate 112 at the limit steel bar head, and fix it with the through bolts 3, thus completing the installation of the reinforcement device at the weak part of the template at the through-wall steel pipe;

[0058] S4: Concrete pouring. After the concrete solidifies, it can be dismantled and reused.

[0059] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A device for strengthening the weak part of the template at the wall-penetrating steel pipe, characterized in that: It includes a first reinforcement component, a second reinforcement component and a through bolt, wherein the first reinforcement component includes a first "T"-shaped sleeve and a first blocking member, and the second reinforcement component includes a second "T"-shaped sleeve and a second blocking member, wherein: The first "T"-shaped sleeve and the first blocking piece, as well as the second "T"-shaped sleeve and the second blocking piece are connected by connecting rods; The first "T"-shaped sleeve and the second "T"-shaped sleeve are both sleeved on the wall-penetrating steel pipe, and are respectively located on the inner and outer sides of the wall; The through-bolt is located in the wall-penetrating steel pipe, and two ends of the through-bolt extend out of the first blocking piece and the second blocking piece respectively.

2. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to claim 1 is characterized in that: The first "T"-shaped sleeve and the second "T"-shaped sleeve both include a sleeve structure and an end plate, wherein: The end plate adopts an inner circle and outer square structure, the inner circle diameter of the end plate is the same as the inner diameter of the sleeve structure, the inner circle center of the end plate is aligned with the center of the sleeve structure, and the end plate is welded to one end of the sleeve structure; A plurality of first connection positions are evenly arranged in the circumference of the other end of the sleeve structure for connection with the connection rod.

3. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to claim 2 is characterized in that: The thickness of the end plate is not less than 8 mm, the inner diameter of the end plate is not less than 6 mm to 8 mm less than the outer diameter of the through-wall steel pipe, and the inner ring of the end plate is not less than 100 mm away from the outer square edge.

4. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to claim 2 or 3, characterized in that: The first blocking member and the second blocking member are both made of circular steel plates, wherein: The diameter of the circular steel plate is the same as the diameter of the sleeve structure, and the thickness of the circular steel plate is 10 mm; A hole structure is arranged at the center of the circular steel plate for the through-bolt to pass through, the diameter of the through-bolt is not less than 10 mm, and the length of the through-bolt extending out of the first blocking member and the second blocking member is not less than 100 mm; A plurality of connection positions corresponding to the first connection positions are evenly distributed on the circumference of the hole structure and are used for connecting with the connection rod.

5. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to claim 2 or 3, characterized in that: The sleeve structure adopts a steel sleeve with a length of 300 mm and a wall thickness of 6 mm. The number of connecting rods is four, and the connecting rods adopt round steel with a length of 100 mm and a diameter of not less than 12 mm.

6. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to claim 2 or 3, characterized in that: It also includes an isolation layer, which is arranged on the end plate and located on the side contacting the concrete wall surface.

7. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to claim 6 is characterized in that: The isolation layer is a brushed isolation agent or a pasted plastic film.

8. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to any one of claims 1 to 3, characterized in that: It also includes a seal, which is arranged between the first "T"-shaped sleeve and the wall-penetrating steel pipe, and between the second "T"-shaped sleeve and the wall-penetrating steel pipe.

9. The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to claim 8, characterized in that: The sealing element is a rubber felt strip.

10. A construction method for strengthening the weak part of the template at the wall-penetrating steel pipe, characterized in that: The device for reinforcing the weak part of the formwork at the wall-penetrating steel pipe according to any one of claims 1 to 8 comprises the following steps: S1: Two sets of reinforcement components are processed according to the outer diameter of the through-wall steel pipe, including: S11: The casing structure of the "T" type casing has the same hole diameter as the end plate and is welded concentrically; S12: Both ends of the connecting rod are respectively connected to the casing structure and the plugging member; S2: Processing the isolation layer, painting or pasting the isolation layer on one side of the end plate; S3: Install the reinforcement device, fix the through-wall steel pipe on the steel bars of the wall, weld the limit steel bar heads at the inner and outer wall skin lines, respectively sleeve the first reinforcement component and the second reinforcement component on the inner and outer sides of the through-wall steel pipe at the wall, clamp the end plate at the limit steel bar heads, and fix them by through bolts; S4: Concrete pouring. After the concrete solidifies, it can be dismantled and reused.

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