A roof hole anti-kickback anti-seepage reinforcing structure and method

By setting up an upward beam around the opening in the top slab and connecting it with the frame beam to form an inverted retaining wall structure, the problems of water obstruction and the influence of the support frame during the construction of the opening in the top slab were solved, achieving a safe and economical construction effect.

CN116717078BActive Publication Date: 2026-02-06THE THIRD CONSTR ENG CO LTD OF CHINA CONSTR SECOND ENG BUREAU
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Patent Information

Application Number
CN202310925109.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-26
Publication Date
2026-02-06
Estimated Expiration
2043-07-26

AI Technical Summary

Technical Problem

In existing technologies, the openings in the roof slab lack effective water-blocking measures during construction, which makes the brick walls prone to collapse. The formwork support frame affects the transportation channel and poses safety hazards, and the rental cost is high.

Method used

An upward-returning beam is used as a reinforcement measure for the reserved opening. By fixing it to the frame beam and the top slab, a reverse retaining structure is formed, avoiding the need for a pre-reserved support frame. The upward-returning beam is poured together with the top slab to enhance the water-blocking performance of the opening.

Benefits of technology

It enables dismantling without the need for pre-reserved support frames, reducing rental costs, improving the utilization rate of construction space, enhancing the waterproof performance of openings, and ensuring safe and civilized construction.

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Abstract

The application discloses a roof hole anti-knock seepage prevention reinforcing structure and method, and the method comprises the following steps: S1, binding the reinforcing cage of the roof, the upper return beam and the frame beam, wherein the reinforcing steel bars of the roof are anchored into the upper return beam, and the reinforcing steel bars of the upper return beam are anchored into the frame beam; S2, pouring the concrete of the roof, the upper return beam and the frame beam; S3, after the strength of the roof and the upper return beam structure is reached, the support frame at the bottom of the roof including the surrounding of the reserved hole is removed; S4, when the reserved hole is closed, the reinforcing steel bars are planted on the side of the upper return beam, the reinforcing cage at the reserved hole is bound, the bottom of the reserved hole is closed with a formwork, the formwork is fixed in a hanging formwork mode through a three-section water stop screw, and the concrete in the reserved hole is poured. The application innovatively uses the upper return beam as a reinforcing measure of the reserved hole, avoids the reservation of the support frame body, the upper return beam forms an anti-knock around the reserved hole, is used for water blocking of the reserved hole, and avoids affecting the safe and civilized construction.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of roof hole reinforcement, in particular to a roof hole anti-knock anti-seepage reinforcement structure and method. BACKGROUND

[0002] At present, the basement roof, podium roof has a waterproof anti-seepage concrete slab position at the reserved hole position of the tower crane, the reserved hole position of the elevator, the material hoisting hole, etc. During construction, in order to prevent water from flowing into the reserved hole, a single-skin brick wall is usually built at the hole position to block water, and the hole is plugged after use. On the one hand, the brick wall has poor water-blocking effect, and when the subsequent roof filling construction is carried out, the brick wall around the hole is directly used to block the soil from the slab, which can easily cause the brick wall to overturn, and cannot meet the requirement of lateral bearing capacity of the backfilling and compaction process. On the other hand, the more formwork support frames around the bottom of the hole need to be reserved until the hole is plugged, which seriously affects the width of the transportation channel. The frame body often deforms and tilts due to manual and vehicle collision, which has great safety hazards and generates more rental fees, which does not meet the requirement of reducing cost and increasing efficiency. SUMMARY

[0003] The present application provides a roof hole anti-knock anti-seepage reinforcement structure and method, which innovatively uses a return beam as a reinforcement measure for the reserved hole to strengthen the reserved hole and avoid the reservation of the support frame body. The return beam forms an anti-knock around the reserved hole to block water and avoid affecting the safe and civilized construction.

[0004] The technical problem to be solved is that at present, the reserved hole construction does not specially take water-blocking measures, and the more formwork support frames around the bottom of the hole need to be reserved until the hole is plugged, which seriously affects the width of the transportation channel. The frame body often deforms and tilts due to manual and vehicle collision, which has great safety hazards and generates more rental fees, which does not meet the requirement of reducing cost and increasing efficiency.

[0005] To solve the above technical problems, the present application adopts the following technical scheme:

[0006] The present application provides a roof hole anti-knock anti-seepage reinforcement structure and method, which innovatively uses a return beam as a reinforcement measure for the reserved hole to strengthen the reserved hole and avoid the reservation of the support frame body. The return beam forms an anti-knock around the reserved hole to block water and avoid affecting the safe and civilized construction.

[0007] The present application provides a roof hole anti-knock anti-seepage reinforcement structure and method, which innovatively uses a return beam as a reinforcement measure for the reserved hole to strengthen the reserved hole and avoid the reservation of the support frame body. The return beam forms an anti-knock around the reserved hole to block water and avoid affecting the safe and civilized construction.

[0008] The roof hole reverse ridge anti-seepage reinforcing structure further comprises a short column fixedly connected to the frame beam and fixedly connected with the upper return beam.

[0009] The roof hole reverse ridge anti-seepage reinforcing structure further comprises a short column fixedly connected to the frame beam and fixedly connected with the upper return beam.

[0010] The method for constructing the roof hole reverse ridge anti-seepage reinforcing structure comprises the following steps:

[0011] S1: determining the position of the reserved hole, binding the steel reinforcement framework of the roof, the upper return beam and the frame beam, wherein the steel reinforcement of the roof is anchored into the upper return beam, and the steel reinforcement of the upper return beam is anchored into the frame beam;

[0012] S2: pouring concrete for the roof, the upper return beam and the frame beam;

[0013] S3: after the roof and the upper return beam structure reach the strength, the support frame at the bottom of the roof including the reserved hole around is removed.

[0014] The method for constructing the roof hole reverse ridge anti-seepage reinforcing structure further comprises that in step S1, a short column is poured at the top of the frame beam, and the steel reinforcement of the upper return beam is anchored into the short column.

[0015] The method for constructing the roof hole reverse ridge anti-seepage reinforcing structure further comprises S4: when the reserved hole is closed after construction, the inside and the top of the upper return beam are chiseled, the side of the upper return beam is planted with steel bars, the steel reinforcement framework at the reserved hole is bound, the bottom of the reserved hole is closed with a formwork, the bottom formwork is abutted against the bottom surface of the upper return beam, the top steel pipe support is placed on the top surface of the upper return beam, the formwork is fixed in the mode of hoisting the formwork through the three-section water stop screw, and the concrete in the reserved hole is poured; and finally, an additional waterproof layer on the top surface of the reserved hole is constructed.

[0016] The method for constructing the roof hole reverse ridge anti-seepage reinforcing structure further comprises that the concrete in the reserved hole is poured in two layers, i.e., the first layer of concrete is poured first, and the second layer of concrete is poured finally.

[0017] The method for constructing the roof hole reverse ridge anti-seepage reinforcing structure further comprises that when the roof is backfilled, the steel bars are planted on the upper return beam, the columns are poured, and the walls are built between the columns or the cast-in-place walls are formed to form a retaining structure.

[0018] The method for constructing the roof hole reverse ridge anti-seepage reinforcing structure further comprises that the upper return beam serves as a protective fixed base when the reserved hole is closed.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] 1. The innovation of the application uses the upper return beam as the reinforcement measure of the reserved opening to strengthen the reserved opening, avoids the reservation of the support frame body, enables the support frame body to be timely removed, does not need to be reserved, improves the turnover rate of the frame body, reduces the influence of the frame body on the construction space, and reduces the rental cost of the frame body;

[0021] 2. The upper return beam forms a reverse ridge around the reserved opening for water blocking of the reserved opening, avoiding affecting the safe and civilized construction;

[0022] 3. The upper return beam can be used as the foundation of the reserved opening protection and the retaining wall, facilitates the planting of the reinforcing bar or the driving of the expansion bolt, and does not affect the waterproofing of the structure top plate;

[0023] 4. After the reserved opening is used, the upper return beam is planted with the reinforcing bar, the reserved opening reinforcing mesh is laid, the upper return beam is used as the force point, the three-section water stop bolt is used to suspend the mold, the concrete at the reserved opening is poured, the leakage risk is reduced, the whole plugging process does not need the formwork support frame body, and finally an additional waterproof layer is applied, enhancing the waterproof performance of the structure;

[0024] 5. The bottom surface of the upper return beam is flush with the bottom surface of the top plate, does not affect the plane effect of the plate bottom, has a good visual effect, does not affect the plate bottom clearance, does not affect the arrangement of the mechanical and electrical pipelines, and the upper return beam cannot be seen after the plate surface is backfilled and hardened.

[0025] The application will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the application;

[0027] Figure 2 It is a sectional view of the reserved opening of the application;

[0028] Figure 3 It is a schematic view of the installation of the formwork of the reserved opening of the application;

[0029] Figure 4 It is a sectional view of the installation of the formwork of the reserved opening of the application.

[0030] Reference signs:

[0031] 1, frame column; 2, frame beam; 3, top plate; 4, reserved opening; 5, upper return beam; 6, short column; 7, formwork; 8, three-section water stop screw. DETAILED DESCRIPTION

[0032] As Figures 1-4As shown, the application discloses a roof hole anti-knock seepage reinforcement structure and method, which comprises a frame column 1, a frame beam 2, a roof 3 and a reserved hole 4 arranged on the roof 3, wherein the reserved hole 4 is provided with an upper return beam 5 around the inner side, the bottom surface of the upper return beam 5 is flush with the bottom surface of the roof 3, the top surface of the upper return beam 5 extends out of the top surface of the roof 3 to form an anti-knock structure for stopping water and avoiding the water on the roof 3 from flowing into the reserved hole 4, the two ends of each upper return beam 5 extend to the frame beam 2 and are fixedly connected with the frame beam 2, and the upper return beam 5 is fixedly connected with the roof 3. The upper return beam 5 forms a rectangular closed structure along the inner side of the reserved hole 4.

[0033] The upper return beam 5 is a reinforced concrete structure and is casted together with the roof 3, and the steel bars in the roof 3 are anchored into the upper return beam 5. In an embodiment of the application, the steel bars at the ends of the upper return beam 5 are anchored into the frame beam 2 to realize the fixed connection with the frame beam 2.

[0034] In another embodiment of the application, a short column 6 is fixedly connected to the frame beam 2, the short column 6 is a reinforced concrete structure, and the steel bars of the upper return beam 5 are anchored into the short column 6.

[0035] The application sets the upper return beam 5 at the reserved hole 4, the upper return beam 5 is casted together with the frame beam 2 and the roof 3, can form an anti-knock structure for water stopping of the reserved hole 4, can increase the strength of the reserved hole 4, avoids the reservation of the support frame body, enables the support frame body to be timely removed, provides a larger space for the construction transportation channel, and reduces the rental cost of the frame body.

[0036] The construction method comprises the following steps:

[0037] S1: determining the position of the reserved hole 4, binding the steel reinforcement framework of the roof 3, the upper return beam 5 and the frame beam 2, wherein the steel bars of the roof 3 at the reserved hole 4 are anchored into the upper return beam 5, and the steel bars at the ends of the upper return beam 5 are anchored into the frame beam 2.

[0038] In another embodiment of the application, a short column 6 is fixedly connected to the frame beam 2, the short column 6 is a reinforced concrete structure, and the steel bars of the upper return beam 5 are anchored into the short column 6.

[0039] S2: supporting the formwork and simultaneously pouring the concrete of the roof 3, the upper return beam 5 and the frame beam 2.

[0040] S3: after the roof 3 and the upper return beam 5 reach the strength, the bottom of the roof 3, including the support frame around the reserved hole 4, is removed.

[0041] S4: When the reserved hole 4 is closed, the inner side and top of the upper return beam 5 are chiseled, the upper return beam 5 is planted with a steel bar, the steel reinforcement framework at the reserved hole 4 is bound, the bottom formwork 7 at the reserved hole 4 is closed, the bottom formwork 7 is abutted against the bottom surface of the upper return beam 5, the top steel pipe support is placed on the top surface of the upper return beam, the formwork 7 is fixed in a mode of hoisting formwork through a three-section water stop screw 8, the concrete in the reserved hole 4 is poured, the concrete in the reserved hole 4 is poured in two layers, that is, the first layer of concrete is poured first, and then the second layer of concrete is poured, finally, an additional waterproof layer is constructed on the top surface of the reserved hole 4, and the upper return beam 5 is simultaneously provided with an additional waterproof layer.

[0042] In the later construction stage, when the top plate 3 is backfilled, the upper return beam 5 is planted with a steel bar, a column is poured, and a wall is built or cast in place between the columns to form a retaining structure.

[0043] In addition, when the reserved hole 4 is closed, the upper return beam 5 can be used as a fixed foundation for protection to fix the expansion bolts.

[0044] The construction method of the application has the following advantages:

[0045] 1. The application innovatively uses the upper return beam as a reinforcement measure for the reserved hole to strengthen the reserved hole, avoids the reservation of the support frame, enables the support frame to be timely removed, does not need to be reserved, improves the turnover rate of the frame, reduces the influence of the frame on the construction space, and reduces the rental cost of the frame.

[0046] 2. The upper return beam forms a reverse ridge around the reserved hole to prevent water from entering the reserved hole, thereby avoiding affecting the safe and civilized construction.

[0047] 3. The upper return beam can be used as a foundation for the reserved hole protection and the retaining wall, facilitates the planting of a steel bar or the driving of an expansion bolt, and does not affect the waterproof performance of the structure top plate.

[0048] 4. After the reserved hole is used, the upper return beam is planted with a steel bar, the reserved hole steel mesh is laid, the upper return beam is used as a force point, the concrete at the reserved hole is poured in a mode of hoisting formwork through a three-section water stop bolt, the leakage risk is reduced, the entire plugging process does not need a formwork support frame, and finally, an additional waterproof layer is applied to enhance the waterproof performance of the structure.

[0049] 5. The bottom surface of the upper return beam is flush with the bottom surface of the top plate, does not affect the plane effect of the plate bottom, has a good visual effect, does not affect the plate bottom clearance, does not affect the arrangement of mechanical and electrical pipes, and the upper return beam cannot be seen after the plate is backfilled and hardened.

[0050] The above-described embodiments are merely intended to describe the preferred embodiments of the present application, and are not intended to limit the scope of the present application. Various modifications and improvements to the present application made by those skilled in the art are intended to fall within the scope of the present application defined in the claims.

Claims

1. A method for preventing seepage and reinforcing a construction roof opening counter-ridge structure, characterized in that, The structure comprises a frame column (1), a frame beam (2), a roof (3), and a reserved opening (4) arranged on the roof (3), characterized in that: the reserved opening (4) is surrounded by a return beam (5), the bottom surface of the return beam (5) is flush with the bottom surface of the roof (3), the top surface extends out of the top surface of the roof (3) to form a reverse ridge, and the two ends of each return beam (5) extend towards the frame beam (2) and are fixedly connected with the frame beam (2); the return beam (5) is fixedly connected with the roof (3); the return beam (5) is a reinforced concrete structure, which is poured together with the roof (3), the steel bars in the roof (3) are anchored inside the return beam (5); the steel bars of the return beam (5) are anchored into the frame beam (2) to realize fixed connection with the frame beam (2); The method comprises the following steps: S1: determining the position of the reserved opening (4), and binding the steel bar framework of the roof (3), the return beam (5), and the frame beam (2), wherein the steel bars of the roof (3) are anchored inside the return beam (5), and the steel bars of the return beam (5) are anchored inside the frame beam (2); S2: pouring concrete for the roof (3), the return beam (5), and the frame beam (2); S3: after the roof (3) and the return beam (5) structure reach the strength, the support frame including the reserved opening (4) around the bottom of the roof (3) is removed; S4: when the reserved opening (4) is closed, the inside and top of the return beam (5) are chiseled, the return beam (5) is planted with steel bars, the steel bar framework at the reserved opening (4) is bound, the bottom of the reserved opening (4) is closed with a formwork (7), the bottom formwork (7) is abutted against the bottom surface of the return beam (5), the top steel pipe support is placed on the top surface of the return beam (5), the formwork (7) is fixed by a three-section water stop screw (8) in a hanging formwork manner, and the concrete in the reserved opening (4) is poured; finally, an additional waterproof layer on the top surface of the reserved opening (4) is constructed; when the roof (3) is backfilled with soil, the return beam (5) is planted with steel bars, a column is poured, walls are built between the columns or cast-in-place walls, and a soil retaining structure is formed.

2. The method for construction roof opening anti-kick seepage reinforcement structure according to claim 1, characterized in that: The concrete in the reserved opening (4) is poured in two layers, i.e., the first layer of concrete is poured first, and the second layer of concrete is poured finally.

3. The method of claim 1, wherein the method further comprises: providing a waterproofing structure on the reverse ridge of the construction roof opening. The return beam (5) serves as a protective fixed base when the reserved opening (4) is closed.

Citation Information

Patent Citations

  • Extra-large reserved hole hanging template structure and construction method thereof

    CN106801511A

  • Reinforcing structure and reinforcing method for reinforced concrete roof opening and building

    CN114182982A