A roof parapet secondary pouring waterproof tongue and groove construction structure

Abstract

The utility model provides a secondary pouring waterproof tongue-and-groove construction structure for a roof parapet, wherein the left and right dowel bars of the parapet are both arranged vertically and spaced from each other, the lower parts of the left and right dowel bars of the parapet are both located between the left and right templates and close to the left template, the lower ends of the left and right dowel bars of the parapet are both lower than the upper main bars of the frame beam and higher than the lower main bars of the frame beam, a plurality of left and right dowel bars of the parapet are spaced from each other front to back, the upper side of the left template is higher than the upper side of the right template, the fixing plate is arranged vertically and arranged along the front-to-back direction, the upper side of the left template and the fixing plate are spaced from each other left to right, the bottom elevation of the fixing plate is flush with the top elevation of the right template, the top elevation of the fixing plate is flush with the top elevation of the left template, and the fixing plate is located on the left side of the plurality of right dowel bars of the parapet and fixed thereto. The utility model can avoid quality problems such as mold expansion, misalignment, and mold explosion of a parapet that is too high when formed at one time, and improve safety and economy.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to the technical field of roof parapet construction, and specifically refers to a roof parapet secondary pouring waterproof tongue and groove construction structure. Background Art

[0002] Building construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction, etc.

[0003] In the construction of the roof parapet, the traditional approach is generally to cast the parapet and the roof structure (specifically the frame beam) at one time. However, this method is difficult to implement when the parapet is too high (more than 1 meter). It is difficult to cast it at one time, and it is easy to cause problems such as mold expansion, misalignment, and even bending and bursting of the parapet.

[0004] Therefore, it is hoped to provide a roof parapet construction structure that can avoid quality problems such as mold expansion, misalignment, and mold explosion caused by forming an overly high parapet in one step, thereby improving safety and economy. Utility Model Content

[0005] In order to overcome the shortcomings of the above-mentioned prior art, one purpose of the utility model is to provide a roof parapet secondary casting waterproof tongue and groove construction structure, which can avoid quality problems such as mold expansion, misalignment, and mold explosion of the one-time formed parapet that is too high, improve safety and economy, and is suitable for large-scale promotion and application.

[0006] Another object of the utility model is to provide a roof parapet secondary pouring waterproof tongue and groove construction structure, which has ingenious design, simple structure, simple construction, low construction cost and is suitable for large-scale promotion and application.

[0007] To achieve the above purpose, the utility model provides a roof parapet secondary pouring waterproof tongue and groove construction structure, including frame beam upper main reinforcement, frame beam lower main reinforcement, frame beam stirrups, left formwork, right formwork and bottom formwork, the frame beam upper main reinforcement and the frame beam lower main reinforcement are both arranged along the front-to-back direction and spaced apart from each other up and down, the number of the frame beam upper main reinforcement and the number of the frame beam lower main reinforcement are both multiple, the multiple frame beam upper main reinforcement and the multiple frame beam lower main reinforcement are spaced apart from each other left and right, the frame beam stirrups are vertically arranged and arranged along the left-right direction and are hooped outside the multiple frame beam upper main reinforcement and the multiple frame beam lower main reinforcement, the number of the frame beam stirrups is multiple, and the multiple frame beam stirrups are spaced apart from each other front and back. The bottom template is arranged horizontally and along the front-back direction, the left template and the right template are both arranged vertically and along the front-back direction and are arranged at intervals from each other on the left and right sides, the lower side of the left template is located on the left side of the left side of the bottom template and abuts against the left side of the bottom template, the lower side of the right template is located on the right side of the right side of the bottom template and abuts against the right side of the bottom template, the plurality of upper main bars of the frame beams, the plurality of lower main bars of the frame beams and the plurality of stirrups of the frame beams are all located between the left template, the right template and the bottom template, and the characteristic is that the roof parapet secondary casting waterproof tongue and groove construction structure also includes a parapet left dowel, a parapet right dowel and a fixing plate, wherein:

[0008] The parapet wall left dowel bars and the parapet wall right dowel bars are both arranged vertically and spaced apart from each other on the left and right sides. The lower parts of the parapet wall left dowel bars and the parapet wall right dowel bars are both located between the left formwork and the right formwork and close to the left formwork. The lower ends of the parapet wall left dowel bars and the parapet wall right dowel bars are both lower than the upper main bars of the frame beam and higher than the lower main bars of the frame beam. The number of the parapet wall left dowel bars and the number of the parapet wall right dowel bars are both multiple. The multiple parapet wall left dowel bars and the multiple The right dowel bars of the parapet are spaced apart from each other front to back, the upper side of the left formwork is higher than the upper side of the right formwork, the fixed plate is vertically arranged and arranged along the front-to-back direction, the upper side of the left formwork and the fixed plate are spaced apart from each other left to right, the bottom elevation of the fixed plate is flush with the top elevation of the right formwork, the top elevation of the fixed plate is flush with the top elevation of the left formwork, and the fixed plate is located on the left side of the multiple right dowel bars of the parapet and is fixed to the multiple right dowel bars of the parapet.

[0009] Preferably, the distance between the top elevation of the fixing plate and the bottom elevation of the fixing plate is 10 cm.

[0010] Preferably, the fixing plate is a fixing wooden square.

[0011] Preferably, the length of the portion of the left dowel of the parapet that is lower than the top elevation of the right side formwork is the seismic anchoring length of the left dowel of the parapet.

[0012] Preferably, the lower end of the left dowel of the parapet is horizontally bent to the right to form a left hook.

[0013] More preferably, the length of the portion of the lower end of the left dowel of the parapet that is bent horizontally to the right is 15d.

[0014] Preferably, the length of the portion of the right dowel of the parapet that is lower than the top elevation of the right side formwork is the seismic anchoring length of the right dowel of the parapet.

[0015] Preferably, the lower end of the right dowel of the parapet is bent horizontally to the left to form a right hook.

[0016] More preferably, the length of the leftward horizontally bent portion of the lower end of the right dowel of the parapet is 15d.

[0017] Preferably, the roof parapet secondary pouring waterproof tongue and groove construction structure further includes a left wooden square, a left back rib, a right wooden square, a right back rib, a tension screw, a left fastener and a right fastener, wherein:

[0018] The left wooden square is arranged horizontally and along the front-to-back direction, the left wooden square is located on the left side of the left template and abuts against the left template, the number of the left wooden squares is multiple, and the multiple left wooden squares are arranged vertically and spaced apart from each other, the left back ribs are arranged vertically and located on the left side of the multiple left wooden squares and abut against the multiple left wooden squares, the number of the left back ribs is multiple, and the multiple left back ribs are arranged front-to-back and spaced apart from each other;

[0019] The right wooden square is arranged horizontally and along the front-to-back direction, the right wooden square is located on the right side of the right template and abuts against the right template, the number of the right wooden squares is multiple, and the multiple right wooden squares are arranged vertically and spaced apart from each other, the right back ribs are arranged vertically and located on the right side of the multiple right wooden squares and abut against the multiple right wooden squares, the number of the right back ribs is multiple, and the multiple right back ribs are arranged front-to-back and spaced apart from each other;

[0020] The tension screw is arranged along the left-right direction and passes through the position between the two left back ribs adjacent to each other in the front and back direction, the position between the two left wooden squares adjacent to each other in the upper and lower directions, the left side formwork, the position between the two frame beam stirrups adjacent to each other in the front and back direction, the position between the upper main reinforcement of the frame beam and the lower main reinforcement of the frame beam, the right side formwork, the position between the two right wooden squares adjacent to each other in the upper and lower directions, and the position between the two right back ribs adjacent to each other in the front and back direction. The left fastener is sleeved and threadedly engaged with the left end of the tension screw, and the left fastener is located on the left side of the two left back ribs adjacent to each other in the front and back direction and respectively abuts against the two left back ribs adjacent to each other in the front and back direction. The right fastener is sleeved and threadedly engaged with the right end of the tension screw, and the right fastener is located on the right side of the two right back ribs adjacent to each other in the front and back direction and respectively abuts against the two right back ribs adjacent to each other in the front and back direction.

[0021] The beneficial effects of the utility model are mainly:

[0022] 1. The left dowel bars and the right dowel bars of the parapet wall of the utility model in the secondary pouring waterproof tongue and groove construction structure of the roof parapet are both arranged vertically and spaced from each other left to right. The lower part of the left dowel bars and the lower part of the right dowel bars of the parapet wall are both located between the left formwork and the right formwork and close to the left formwork. The lower end of the left dowel bars and the lower end of the right dowel bars of the parapet wall are both lower than the upper main bars of the frame beam and higher than the lower main bars of the frame beam. Multiple left dowel bars and multiple right dowel bars of the parapet wall are spaced from each other front to back. The upper side of the left formwork is It is higher than the upper side of the right side template, the fixed plate is arranged vertically and along the front-to-back direction, the upper side of the left side template and the fixed plate are spaced apart from each other on the left and right sides, the bottom elevation of the fixed plate is flush with the top elevation of the right side template, the top elevation of the fixed plate is flush with the top elevation of the left side template, the fixed plate is located on the left side of the multiple parapet right dowels and is fixed to the multiple parapet right dowels. Therefore, it can avoid quality problems such as mold expansion, misalignment, and mold explosion caused by forming an over-high parapet at one time, improve safety and economy, and is suitable for large-scale promotion and application.

[0023] 2. The parapet left dowel and the parapet right dowel of the secondary pouring waterproof tongue and groove construction structure of the roof parapet of the utility model are both vertically arranged and spaced apart from each other on the left and right sides, the lower part of the left dowel and the lower part of the right dowel of the parapet are both located between the left formwork and the right formwork and close to the left formwork, the lower end of the left dowel and the lower end of the right dowel of the parapet are both lower than the upper main reinforcement of the frame beam and higher than the lower main reinforcement of the frame beam, a plurality of left dowels and a plurality of right dowels of the parapet are spaced apart from each other front to back, the upper side of the left formwork is higher than the upper side of the right formwork, the fixing plate is vertically arranged and arranged along the front-to-back direction, the upper side of the left formwork and the fixing plate are spaced apart from each other on the left and right sides, the bottom elevation of the fixing plate is flush with the top elevation of the right formwork, the top elevation of the fixing plate is flush with the top elevation of the left formwork, the fixing plate is located on the left side of the plurality of right dowels of the parapet and is fixed to the plurality of right dowels of the parapet, therefore, the utility model has ingenious design, simple structure, simple construction, low construction cost, and is suitable for large-scale promotion and application.

[0024] These and other objects, features and advantages of the present invention are fully reflected in the following detailed description and drawings, and can be achieved by the means, devices and their combinations specifically pointed out in the content of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a partial front and cross-sectional schematic diagram of a specific embodiment of the roof parapet secondary pouring waterproof tongue and groove construction structure of the utility model.

[0026] (Explanation of symbols)

[0027] 1. Upper main reinforcement of frame beam; 2. Lower main reinforcement of frame beam; 3. Stirrups of frame beam; 4. Left formwork; 5. Right formwork; 6. Bottom formwork; 7. Left dowel of parapet; 8. Right dowel of parapet; 9. Fixing plate; 10. Left hook; 11. Right hook; 12. Left timber; 13. Left back rib; 14. Right timber; 15. Right back rib; 16. Tension screw; 17. Left fastener; 18. Right fastener; 19. Frame beam; 20. Upward tongue and groove concrete; 21. Second pouring of parapet concrete. DETAILED DESCRIPTION

[0028] In order to more clearly understand the technical content of the present invention, the following embodiments are given in detail.

[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] See also Figure 1 As shown, in a specific embodiment of the utility model, the roof parapet secondary pouring waterproof tongue and groove construction structure of the utility model includes the upper main reinforcement 1 of the frame beam, the lower main reinforcement 2 of the frame beam, the stirrups 3 of the frame beam, the left formwork 4, the right formwork 5, the bottom formwork 6, the left dowel 7 of the parapet wall, the right dowel 8 of the parapet wall and the fixing plate 9, wherein:

[0031] The upper main reinforcement 1 of the frame beam and the lower main reinforcement 2 of the frame beam are arranged in the front-to-back direction and spaced apart from each other up and down. The number of the upper main reinforcement 1 of the frame beam and the number of the lower main reinforcement 2 of the frame beam are both multiple. The multiple upper main reinforcements 1 of the frame beam and the multiple lower main reinforcements 2 of the frame beam are spaced apart from each other left and right. The frame beam stirrups 3 are arranged vertically and in the left-right direction and are hooped outside the multiple upper main reinforcements 1 of the frame beam and the multiple lower main reinforcements 2 of the frame beam. The number of the frame beam stirrups 3 is multiple. The multiple frame beam stirrups 3 are spaced apart from each other front and back. The bottom formwork 6 is horizontally The left side formwork 4 and the right side formwork 5 are both arranged vertically and arranged along the front-back direction and are spaced apart from each other on the left and right sides. The lower side of the left side formwork 4 is located to the left of the left side of the bottom formwork 6 and abuts against the left side of the bottom formwork 6. The lower side of the right side formwork 5 is located to the right of the right side of the bottom formwork 6 and abuts against the right side of the bottom formwork 6. The plurality of upper main bars 1 of the frame beam, the plurality of lower main bars 2 of the frame beam and the plurality of stirrups 3 of the frame beam are all located between the left side formwork 4, the right side formwork 5 and the bottom formwork 6.

[0032] The parapet wall left dowel bar 7 and the parapet wall right dowel bar 8 are both arranged vertically and spaced apart from each other on the left and right sides. The lower parts of the parapet wall left dowel bar 7 and the parapet wall right dowel bar 8 are both located between the left side formwork 4 and the right side formwork 5 and close to the left side formwork 4. The lower ends of the parapet wall left dowel bar 7 and the parapet wall right dowel bar 8 are both lower than the upper main reinforcement 1 of the frame beam and higher than the lower main reinforcement 2 of the frame beam. The number of the parapet wall left dowel bar 7 and the number of the parapet wall right dowel bar 8 are both multiple. The plurality of parapet right dowel bars 8 are spaced apart from each other front to back, the upper side of the left side formwork 4 is higher than the upper side of the right side formwork 5, the fixed plate 9 is vertically arranged and arranged along the front-to-back direction, the upper side of the left side formwork 4 and the fixed plate 9 are spaced apart from each other left to right, the bottom elevation of the fixed plate 9 is flush with the top elevation of the right side formwork 5, the top elevation of the fixed plate 9 is flush with the top elevation of the left side formwork 4, and the fixed plate 9 is located on the left side of the plurality of parapet right dowel bars 8 and is fixed to the plurality of parapet right dowel bars 8.

[0033] The distance between the top elevation of the fixing plate 9 and the bottom elevation of the fixing plate 9 can be determined as needed. In a specific embodiment of the present utility model, the distance between the top elevation of the fixing plate 9 and the bottom elevation of the fixing plate 9 is 10 cm. Thus, the height of the upturned tongue-and-groove concrete 20 (formed after one pouring, please refer to the description of the construction process below) is 10 cm.

[0034] The fixing plate 9 can be any suitable building component. In a specific embodiment of the present utility model, the fixing plate 9 is a fixed wooden beam.

[0035] The number of the upper main bars 1 of the frame beam and the number of the lower main bars 2 of the frame beam can be determined as needed. The above-mentioned "multiple bars" refers to more than 2 bars. Please refer to Figure 1 As shown, in a specific embodiment of the present utility model, the number of the upper main reinforcement 1 of the frame beam and the number of the lower main reinforcement 2 of the frame beam are both 6.

[0036] The length of the portion of the parapet left dowel 7 that is lower than the top elevation of the right side formwork 5 can be determined as needed. In a specific embodiment of the utility model, the length of the portion of the parapet left dowel 7 that is lower than the top elevation of the right side formwork 5 is the seismic anchorage length Lae of the parapet left dowel 7. That is, the length of the parapet left dowel 7 inserted into the frame beam 19 (formed after one pouring, see the description of the construction process below) is Lae.

[0037] The lower end of the left parapet reinforcement 7 can have any suitable shape, see Figure 1 As shown, in a specific embodiment of the present utility model, the lower end of the left dowel bar 7 of the parapet is horizontally bent rightward to form a left hook 10.

[0038] The length of the rightward horizontally bent portion of the lower end of the left parapet reinforcing bar 7 can be determined as needed. In a specific embodiment of the utility model, the length of the rightward horizontally bent portion of the lower end of the left parapet reinforcing bar 7 is 15d.

[0039] The length of the portion of the parapet right dowel 8 that is lower than the top elevation of the right side formwork 5 can be determined as needed. In a specific embodiment of the utility model, the length of the portion of the parapet right dowel 8 that is lower than the top elevation of the right side formwork 5 is the seismic anchorage length Lae of the parapet right dowel 8. That is, the length of the parapet right dowel 8 inserted into the frame beam 19 is Lae.

[0040] The lower end of the right reinforcing bar 8 of the parapet wall can have any suitable shape, see Figure 1As shown, in a specific embodiment of the present utility model, the lower end of the right dowel bar 8 of the parapet is bent horizontally to the left to form a right hook 11.

[0041] The length of the leftward horizontally bent portion of the lower end of the right dowel bar 8 of the parapet can be determined as needed. In a specific embodiment of the utility model, the length of the leftward horizontally bent portion of the lower end of the right dowel bar 8 of the parapet is 15d.

[0042] The left side formwork 4 and the right side formwork 5 can be reinforced by any suitable structure, see Figure 1 As shown, in a specific embodiment of the utility model, the roof parapet secondary pouring waterproof tongue and groove construction structure also includes a left wooden square 12, a left back rib 13, a right wooden square 14, a right back rib 15, a tension screw 16, a left fastener 17 and a right fastener 18, wherein:

[0043] The left wooden square 12 is arranged horizontally and along the front-to-back direction, the left wooden square 12 is located on the left side of the left side formwork 4 and abuts against the left side formwork 4, the number of the left wooden squares 12 is multiple, and the multiple left wooden squares 12 are vertically spaced apart from each other, the left back ribs 13 are vertically arranged and located on the left side of the multiple left wooden squares 12 and abut against the multiple left wooden squares 12, the number of the left back ribs 13 is multiple, and the multiple left back ribs 13 are spaced apart from each other front-to-back;

[0044] The right wooden square 14 is arranged horizontally and along the front-to-back direction, the right wooden square 14 is located on the right side of the right template 5 and abuts against the right template 5, the number of the right wooden squares 14 is multiple, and the multiple right wooden squares 14 are vertically spaced apart from each other, the right back ribs 15 are vertically arranged and located on the right side of the multiple right wooden squares 14 and abut against the multiple right wooden squares 14, the number of the right back ribs 15 is multiple, and the multiple right back ribs 15 are spaced apart from each other front-to-back;

[0045] The tension screw 16 is arranged along the left-right direction and passes through the position between the two adjacent left back ribs 13 in the front and back direction, the position between the two adjacent left wooden squares 12 in the upper and lower directions, the left side formwork 4, the position between the two adjacent frame beam stirrups 3 in the front and back direction, the position between the upper main reinforcement 1 of the frame beam and the lower main reinforcement 2 of the frame beam, the right side formwork 5, the position between the two adjacent right wooden squares 14 in the upper and lower directions, and the position between the two adjacent right back ribs 15 in the front and back direction. The left fastener 17 is sleeved and threadedly engaged with the left end of the tension screw 16. The left fastener 17 is located on the left side of the two adjacent left back ribs 13 in the front and back direction and respectively abuts against the two adjacent left back ribs 13 in the front and back direction. The right fastener 18 is sleeved and threadedly engaged with the right end of the tension screw 16. The right fastener 18 is located on the right side of the two adjacent right back ribs 15 in the front and back direction and respectively abuts against the two adjacent right back ribs 15 in the front and back direction.

[0046] The left back rib 13 and the right back rib 15 can be any suitable building components. In a specific embodiment of the present utility model, the left back rib 13 and the right back rib 15 are both steel pipes.

[0047] The left fastener 17 and the right fastener 18 can be any suitable fasteners. In a specific embodiment of the present invention, the left fastener 17 and the right fastener 18 are nuts.

[0048] The number of the left wooden squares 12 can be determined as required, see Figure 1 As shown, in a specific embodiment of the present invention, the number of the left wooden squares 12 is 3.

[0049] The number of the right wooden squares 14 can be determined as required. Figure 1 As shown, in a specific embodiment of the present invention, the number of the right wooden squares 14 is 3.

[0050] In the vertical direction, the number of the tensioning screws 16 can be determined as needed. More preferably, in the vertical direction, the number of the tensioning screws 16 is multiple, and the multiple tensioning screws 16 are vertically spaced from each other. Figure 1 As shown, in a specific embodiment of the present invention, in the vertical direction, the number of the tension screws 16 is 2.

[0051] In the front-to-back direction, the number of the tensioning screws 16 can be determined as needed. More preferably, in the front-to-back direction, the number of the tensioning screws 16 is multiple, and the multiple tensioning screws 16 are spaced apart from each other in the front-to-back direction.

[0052] The specific number of the tension screws 16 in the front-to-back direction, the specific number of the frame beam stirrups 3, the specific number of the parapet left dowel bars 7, the specific number of the parapet right dowel bars 8, the specific number of the left back ribs 13 and the specific number of the right back ribs 15 can all be determined as needed.

[0053] During construction, the main construction process is as follows:

[0054] 1. Lay the bottom formwork 6, use frame beam stirrups 3 to tie the upper main reinforcement 1 of the frame beam and the lower main reinforcement 2 of the frame beam, and arrange the left dowel reinforcement 7 and the right dowel reinforcement 8 of the parapet wall;

[0055] 2. Support and reinforce the left formwork 4 and the right formwork 5;

[0056] 3. Place the fixing plate 9 on the right side of the upper side of the left formwork 4 and on the left side of the right dowel bar 8 of the parapet wall and fix it to the right dowel bar 8 of the parapet wall;

[0057] 4. Pour concrete for the first time, so as to pour the frame beam 19 and the upward tongue-and-groove concrete 20 (the tongue-and-groove structure higher than the frame beam 19);

[0058] 5. Remove the formwork and the fixing plate 9, roughen the upper tongue-and-groove concrete 20, and then pour the upper parapet concrete again, thereby forming a second pouring of the parapet concrete 21 on the upper tongue-and-groove concrete 20 and the frame beam 19. The upper tongue-and-groove concrete 20 and the second pouring of the parapet concrete 21 together constitute the parapet.

[0059] Therefore, by adopting the utility model, the parapet adopts the tongue-and-groove method of casting in batches, which is mainly suitable for the situation that the roof parapet height is relatively high, generally exceeding 1 meter. The parapet adopts the secondary casting waterproof tongue-and-groove method, which can avoid the quality problems of bulging mold, misalignment, and bursting of the super-high parapet formed in one time, and the safety and economy are also improved.

[0060] In summary, the secondary casting waterproof tongue-and-groove construction structure of the roof parapet of the utility model can avoid quality problems such as mold expansion, misalignment, and mold explosion of the one-time formed parapet, improve safety and economy, and has a clever design, simple structure, simple construction, and low construction cost, and is suitable for large-scale promotion and application.

[0061] It can be seen that the purpose of the utility model has been completely and effectively achieved. The function and structural principle of the utility model have been demonstrated and explained in the embodiments. Without departing from the principles, the implementation methods can be modified arbitrarily. Therefore, the utility model includes all modified implementation methods based on the spirit and scope of the claims.

Claims

1. A secondary pouring waterproof tongue-and-groove construction structure for a roof parapet, comprising an upper main reinforcement of a frame beam, a lower main reinforcement of a frame beam, stirrups of a frame beam, a left formwork, a right formwork and a bottom formwork, wherein the upper main reinforcement of the frame beam and the lower main reinforcement of the frame beam are arranged in a front-to-back direction and are spaced apart from each other up and down, the number of the upper main reinforcement of the frame beam and the number of the lower main reinforcement of the frame beam are both multiple, the multiple upper main reinforcements of the frame beam and the multiple lower main reinforcements of the frame beam are spaced apart from each other left and right, the stirrups of the frame beam are arranged vertically and in a left-right direction and are hooped outside the multiple upper main reinforcements of the frame beam and the multiple lower main reinforcements of the frame beam, and the number of stirrups of the frame beam is Multiple, multiple frame beam stirrups are spaced apart from each other front to back, the bottom template is horizontally arranged and arranged along the front-to-back direction, the left template and the right template are both vertically arranged and arranged along the front-to-back direction and spaced apart from each other left to right, the lower side of the left template is located to the left of the left side of the bottom template and abuts against the left side of the bottom template, the lower side of the right template is located to the right of the right side of the bottom template and abuts against the right side of the bottom template, the multiple frame beam upper main bars, the multiple frame beam lower main bars and the multiple frame beam stirrups are all located between the left template, the right template and the bottom template, characterized in that, The roof parapet secondary pouring waterproof tongue and groove construction structure also includes parapet left dowels, parapet right dowels and a fixing plate, wherein: The parapet wall left dowel bars and the parapet wall right dowel bars are both arranged vertically and spaced apart from each other on the left and right sides. The lower parts of the parapet wall left dowel bars and the parapet wall right dowel bars are both located between the left formwork and the right formwork and close to the left formwork. The lower ends of the parapet wall left dowel bars and the parapet wall right dowel bars are both lower than the upper main bars of the frame beam and higher than the lower main bars of the frame beam. The number of the parapet wall left dowel bars and the number of the parapet wall right dowel bars are both multiple. The multiple parapet wall left dowel bars and the multiple The right dowel bars of the parapet are spaced apart from each other front to back, the upper side of the left formwork is higher than the upper side of the right formwork, the fixed plate is vertically arranged and arranged along the front-to-back direction, the upper side of the left formwork and the fixed plate are spaced apart from each other left to right, the bottom elevation of the fixed plate is flush with the top elevation of the right formwork, the top elevation of the fixed plate is flush with the top elevation of the left formwork, and the fixed plate is located on the left side of the multiple right dowel bars of the parapet and is fixed to the multiple right dowel bars of the parapet.

2. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 1, characterized in that: The distance between the top elevation of the fixing plate and the bottom elevation of the fixing plate is 10 cm.

3. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 1, characterized in that: The fixing plate is a fixing wooden square.

4. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 1, characterized in that: The length of the portion of the left dowel of the parapet wall that is lower than the top elevation of the right side formwork is the seismic anchoring length of the left dowel of the parapet wall.

5. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 1, characterized in that: The lower end of the left dowel bar of the parapet wall is horizontally bent rightward to form a left hook.

6. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 5, characterized in that: The length of the portion of the lower end of the left reinforcing bar of the parapet that is bent horizontally to the right is 15d.

7. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 1, characterized in that: The length of the portion of the right dowel of the parapet wall that is lower than the top elevation of the right side formwork is the seismic anchorage length of the right dowel of the parapet wall.

8. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 1, characterized in that: The lower end of the right dowel bar of the parapet is bent horizontally to the left to form a right hook.

9. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 8, characterized in that: The length of the leftward horizontally bent portion of the lower end of the right reinforcing bar of the parapet is 15d.

10. The roof parapet secondary pouring waterproof tongue and groove construction structure according to claim 1, characterized in that: The roof parapet secondary pouring waterproof tongue and groove construction structure also includes a left wooden square, a left back rib, a right wooden square, a right back rib, a tension screw, a left fastener and a right fastener, wherein: The left wooden square is arranged horizontally and along the front-to-back direction, the left wooden square is located on the left side of the left template and abuts against the left template, the number of the left wooden squares is multiple, and the multiple left wooden squares are arranged vertically and spaced apart from each other, the left back ribs are arranged vertically and located on the left side of the multiple left wooden squares and abut against the multiple left wooden squares, the number of the left back ribs is multiple, and the multiple left back ribs are arranged front-to-back and spaced apart from each other; The right wooden square is arranged horizontally and along the front-to-back direction, the right wooden square is located on the right side of the right template and abuts against the right template, the number of the right wooden squares is multiple, and the multiple right wooden squares are arranged vertically and spaced apart from each other, the right back ribs are arranged vertically and located on the right side of the multiple right wooden squares and abut against the multiple right wooden squares, the number of the right back ribs is multiple, and the multiple right back ribs are arranged front-to-back and spaced apart from each other; The tension screw is arranged along the left-right direction and passes through the position between the two left back ribs adjacent to each other in the front and back direction, the position between the two left wooden squares adjacent to each other in the upper and lower directions, the left side formwork, the position between the two frame beam stirrups adjacent to each other in the front and back direction, the position between the upper main reinforcement of the frame beam and the lower main reinforcement of the frame beam, the right side formwork, the position between the two right wooden squares adjacent to each other in the upper and lower directions, and the position between the two right back ribs adjacent to each other in the front and back direction. The left fastener is sleeved and threadedly engaged with the left end of the tension screw, and the left fastener is located on the left side of the two left back ribs adjacent to each other in the front and back direction and respectively abuts against the two left back ribs adjacent to each other in the front and back direction. The right fastener is sleeved and threadedly engaged with the right end of the tension screw, and the right fastener is located on the right side of the two right back ribs adjacent to each other in the front and back direction and respectively abuts against the two right back ribs adjacent to each other in the front and back direction.

Images