Bottom plate post-cast strip stubble blocking net lower opening slurry leakage prevention structure

By setting a combined structure of retaining mesh, water-stop steel plate and inverted curb at the post-cast strip of the base slab, the problem of grout leakage at the bottom of the retaining mesh of the post-cast strip of the base slab was solved, the thickness of the protective layer of the bottom reinforcement of the base slab was stably controlled and the gaps were effectively sealed, and the grout leakage cleaning process was simplified.

CN223633992UActive Publication Date: 2025-12-05BEIJING NO 3 CONSTR ENG
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Patent Information

Application Number
CN202423230971.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-05
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The bottom of the retaining mesh of the post-cast strip of the base plate is prone to leakage of grout, which causes a large amount of grout in the concrete to flow out from the pores, making cleaning difficult and requiring a lot of manpower.

Method used

The structure adopts a combination of retaining mesh, water-stop steel plate and inverted retaining wall. The inverted retaining wall is cast integrally with the lower structure and its height is the same as the thickness of the steel reinforcement protective layer of the bottom reinforcement of the bottom slab. Together with the retaining mesh, it can effectively seal the gaps.

Benefits of technology

It achieved stable control of the thickness of the protective layer of the bottom reinforcement of the base plate and effective sealing of gaps, solved the problem of grout leakage, and simplified the cleaning process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bottom plate post-cast strip stubble blocking net lower opening slurry leakage prevention structure which comprises stubble blocking nets, a water stop steel plate and a reverse ridge, the stubble blocking nets are correspondingly arranged on the two sides of a post-cast strip, the tops of the stubble blocking nets are fixedly connected with bottom plate surface ribs, and the bottoms of the stubble blocking nets are fixedly connected with bottom plate bottom ribs; the water stop steel plate is horizontally arranged in the middle of the stubble blocking net and fixedly connected with the stubble blocking net, the reverse ridge is located at the bottom of a lower opening of the post-cast strip and located in a post-cast strip space on the outer side of the stubble blocking net, the reverse ridge and a lower structure are integrally formed in a pouring mode, the reverse ridge is arranged along the full length of the post-cast strip, and the height of the reverse ridge is the same as the thickness of a steel bar protection layer of a bottom plate bottom bar. The device is simple in structure and ingenious in design, through the arrangement of the reverse ridges, on one hand, the effect of reinforcing steel bar protective layer cushion blocks can be achieved, it is guaranteed that the thickness of a reinforcing steel bar protective layer of a bottom plate bottom rib in the post-cast strip range is stably controlled, and on the other hand, gaps in the thickness range of the reinforcing steel bar protective layer below the bottom plate bottom rib can be effectively blocked through cooperation with a stubble blocking net; and the problem of slurry leakage is fundamentally solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field, concretely relates to a bottom plate post-cast strip fagging net lower mouth anti-leakage mortar structure. BACKGROUND

[0002] The bottom plate post-cast strip adopts dense mesh or fast and easy closing net to fag, and the protection layer of the bottom plate steel bar at the post-cast strip position is not easy to control, and the conventional method is difficult to block the gap between the bottom plate bottom steel bar and the gap of the protection layer below the bottom plate bottom steel bar, which is easy to cause a large amount of mortar in the concrete to flow out from the gap between the fagging net and the lower structure, and a large amount of manpower is needed to clean the leakage mortar, and due to the obstruction of the bottom plate bottom steel bar, the leakage mortar is difficult to clean, and it is difficult to clean completely. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a bottom plate post-cast strip fagging net lower mouth anti-leakage mortar structure to solve the technical problem in the background art.

[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0005] A bottom plate post-cast strip fagging net lower mouth anti-leakage mortar structure, including fagging net, water stop steel sheet and reverse ridge, the fagging net is correspondingly arranged on both sides of the post-cast strip, and the top thereof is connected and fixed with the bottom plate surface steel bar, and the bottom thereof is connected and fixed with the bottom plate bottom steel bar, the water stop steel sheet is horizontally arranged in the middle of the fagging net, and the water stop steel sheet is fixedly connected with the fagging net, the reverse ridge is located at the bottom position of the post-cast strip lower mouth and is located in the post-cast strip space outside the fagging net, the reverse ridge is integrally poured and formed with the lower structure, and is arranged along the length of the post-cast strip, and the height of the reverse ridge is same with the thickness of the steel bar protection layer of the bottom plate bottom steel bar.

[0006] Preferably, the fagging net includes a support framework and a mesh attached and fixed to the support framework, the lower edge of the mesh extends below the bottom plate bottom steel bar, and the mesh is provided with a cutting seam allowing the bottom plate bottom steel bar to be passed through at the position corresponding to the bottom plate bottom steel bar.

[0007] Preferably, the bottom end of the vertical section of the support framework extends below the bottom plate bottom steel bar.

[0008] Preferably, the vertical section of the mesh extends downward to the top surface of the lower structure, and then bends away from the post-cast strip along the top surface of the lower structure to form a flat section laid on the top surface of the lower structure.

[0009] Preferably, the width of the flat section is not less than 50mm.

[0010] Preferably, the reverse ridge is poured and formed with the same concrete as the lower structure.

[0011] Preferably, the width of the reverse ridge is not less than 50mm.

[0012] Compared with the prior art, the utility model discloses the beneficial effects are: the utility model for simple structure, clever design, through the setting of reverse ridge, can play the role of steel protection layer cushion block on one hand, ensure that the steel protection layer thickness of post-pouring zone range bottom plate bottom reinforcement is stably controlled, on the other hand, still can cooperate with the felling net and realize the effective plugging of the gap in the steel protection layer thickness range below the bottom plate bottom reinforcement, fundamentally solve the problem of slurry leakage. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above and / or other aspects and advantages of the utility model will become more apparent and more readily appreciated by referring to the following detailed description, in conjunction with the accompanying drawings, which are merely exemplary and do not limit the utility model, wherein:

[0014] Fig. 1 It is the effect schematic view of the conventional practice of the background art of the utility model;

[0015] Fig. 2 It is the structural schematic view of the utility model at the cross section of felling net;

[0016] Fig. 3 It is the structural schematic view of the utility model at the longitudinal section of felling net.

[0017] Fig. 1, lower structure;2, structural bottom plate;3, post-pouring zone;4, reverse ridge;5, bottom plate bottom reinforcement;6, bottom plate surface reinforcement;7, felling net;701, support framework;702, mesh;8, water stop steel plate;9, limiting and fixing assembly. DETAILED DESCRIPTION

[0018] In the following, the embodiment of the utility model's bottom plate post-pouring zone felling net lower opening anti-slurry leakage structure will be described with reference to the drawings. The embodiment described herein is a specific specific embodiment of the utility model, for explaining the concept of the utility model, and is explanatory and exemplary, and should not be interpreted as limiting the embodiments of the utility model and the scope of the utility model. In addition to the embodiments described herein, those skilled in the art can also employ other technical solutions based on the disclosure of the claims and the specification of the present application, which include technical solutions that make any obvious substitutions and modifications to the embodiments described herein.

[0019] In the description of the utility model, it is necessary to explain that the terms "front", "back", "left", "right", "top", "bottom", "up", "down", "in", "out", "horizontal", "vertical", "vertical", "inclined" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0020] The drawings of the specification are schematic drawings that assist in explaining the concept of the utility model, and schematically represent the shape of each part and its mutual relationship. Please note that in order to clearly show the structure of each component of the utility model embodiment, the drawings are not drawn according to the same scale. The same reference signs are used to represent the same parts.

[0021] The principles and features of the utility model will be described below in conjunction with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model. The preferred embodiments of the utility model will be described in detail below: Figs. 1-3 , the preferred embodiments of the utility model will be described in detail:

[0022] As Fig. 1 shown, the rear pouring strip 3 position of the structure bottom plate 2 in the conventional method usually uses a dense mesh or a fast and easy closing mesh as a stubble net 7 to block the stubble. Since the construction personnel need to bind and tie the stubble net 7 at the rear pouring strip 3, the bottom plate bottom bar 5 at the rear pouring strip 3 is prone to deflection due to stepping or pressing, which further causes the bottom plate bottom bar 5 to be difficult to control the thickness of the protective layer at the rear pouring strip 3 position, and the conventional method is difficult to block the gap between the bottom plate bottom bar 5 and the gap of the protective layer below the bottom plate bottom bar 5, which is prone to cause the problem of a large amount of mortar flowing out from the gap between the stubble net 7 and the lower structure 1 (lower waterproof protective layer or advanced water stop strip). In order to solve the above problems, the utility model optimizes the conventional method, and adds a reverse ridge 4 on the basis of the conventional method and optimizes the bottom structure of the stubble net 7.

[0023] As Figs. 2-3As shown, the utility model discloses a kind of bottom plate post-cast strip stubble net lower mouth leakproof structure, including stubble net 7, waterstop steel plate 8 and reverse ridge 4, the stubble net 7 includes support framework 701 and the mesh 702 attached fixed on support framework 701, the stubble net 7 is correspondingly set on the both sides of post-cast strip 3, its support framework 701 top is connected and fixed with bottom plate gluten 6, its support framework 701 bottom is connected and fixed with bottom plate bottom rib 5, the waterstop steel plate 8 is horizontally arranged in the middle of stubble net 7, and waterstop steel plate 8 is welded and fixed with stubble net 7, of course, to ensure the position stability of stubble net 7 and waterstop steel plate 8, it also needs to set corresponding limit fixed component 9 to stubble net 7 and waterstop steel plate 8, such as setting inclined bracing rib at the both sides of waterstop steel plate 8 board surface, and inclined bracing rib is connected and fixed with bottom plate bottom rib 5 etc., the specific structure form and quantity of limit fixed component 9 need to be reasonably selected after calculation according to site construction condition, since it is not the specific improvement point of the utility model, it is not detailed in the drawing.

[0024] The reverse ridge 4 is located at the lower mouth bottom position of post-cast strip 3 and in the space of post-cast strip 3 outside stubble net 7, the reverse ridge 4 is integrally poured and formed with the same reference numeral of lower structure 1 (lower waterproof protective layer or advanced waterstop strip), the reverse ridge 4 is arranged along the length of post-cast strip 3, and the height thereof is same as the thickness of the reinforcement protective layer of bottom plate bottom rib 5 to be used as the protective layer pad of bottom plate bottom rib 5 to avoid the bottom plate bottom rib 5 deflection at post-cast strip 3 portion, simultaneously, the width of reverse ridge 4 is not less than 50mm to ensure that it can more stably and effectively play the supporting role and the plugging role.

[0025] To better block the gap between bottom plate bottom rib 5 and the gap between protective layer below bottom plate bottom rib 5, in some preferred embodiments, the lower edge of the mesh 702 extends below the bottom plate bottom rib 5, and the mesh 702 is provided with a cutting seam allowing to pass through the bottom plate bottom rib 5 at the position corresponding to the bottom plate bottom rib 5, on the basis of which, the vertical section of the mesh 702 extends downward along the top surface of the lower structure 1, and then bends away from the post-cast strip 3 along the top surface of the lower structure 1 and forms a flat section laid on the top surface of the lower structure 1, of course, the laying width of the flat section needs to be not less than 50mm to ensure that the flat section can be attached to the top surface of the lower structure 1 to avoid the problem of upward bending, simultaneously, the bottom end of the vertical rib of the support framework 701 extends below the bottom plate bottom rib 5 to better limit and support the mesh 702 extending below the bottom plate bottom rib 5, so that it better overlaps with the reverse ridge 4, to ensure that the stubble net 7 and the reverse ridge 4 can better cooperate to realize full-section sealing and stopping of slurry.

[0026] During the implementation of the construction, first, in the concrete pouring of the lower waterproof protective layer or the advanced water stop belt position, a height same as the thickness of the bottom plate bottom reinforcement 5 steel reinforcement protective layer, width ≥ 50mm of the plain concrete reverse ridge 4 is poured in advance along the position of the structure bottom plate 2, the concrete mark of the reverse ridge 4 is same as the concrete mark of the lower structure 1, then the bottom plate bottom reinforcement 5 of the structure bottom plate 2 is tied, the concrete pouring belt 3 blocking net 7 is made, the blocking net 7 is placed in the inner side of the reverse ridge 4, and a length is reserved more in the blocking net 7 downward, the skirt-shaped stop grouting structure is formed, the bottom mesh 702 of the blocking net 7 is cut according to the spacing of the bottom plate bottom reinforcement 5 of the structure bottom plate 2 along the length direction, and the mesh 702 is laid flat in the installation, when the concrete of the structure bottom plate 2 is poured, the concrete near the position of the concrete pouring belt 3 is poured first, so as to press the flat section of the steel wire mesh or the fast and easy closing net, through the combination of the reverse ridge 4 and the blocking net 7, the problem of the concrete blocking steel wire mesh under the lower part leaking grouting can be effectively solved, and meanwhile, the thickness of the protective layer of the bottom plate bottom reinforcement 5 of the concrete pouring belt 3 position can also be ensured to meet the design requirements.

[0027] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A grout leakage prevention structure at the lower edge of the post-cast strip mesh in a base slab, characterized in that: The invention relates to a constructional design of a post-pouring belt, which comprises a stubble net (7), a water-stop steel plate (8) and a reverse ridge (4), wherein the stubble net (7) is arranged on both sides of the post-pouring belt (3) and is connected and fixed with the top and bottom reinforcement (6, 5) of the floor slab; the water-stop steel plate (8) is horizontally arranged in the middle of the stubble net (7) and is fixedly connected with the stubble net (7); the reverse ridge (4) is located at the bottom of the lower opening of the post-pouring belt (3) and is arranged in the space of the post-pouring belt (3) outside the stubble net (7); the reverse ridge (4) is integrally poured and formed with the lower structure (1) and is arranged along the whole length of the post-pouring belt (3), and the height of the reverse ridge (4) is the same as the thickness of the reinforcement cover of the bottom reinforcement (5) of the floor slab.

2. The structure for preventing leakage of mortar at the lower opening of the debushing net post-pouring belt according to claim 1, characterized in that: The stubble net (7) comprises a support framework (701) and a mesh (702) fixedly attached to the support framework (701), wherein the lower edge of the mesh (702) extends below the bottom reinforcement (5) of the floor slab, and the mesh (702) is provided with a cutting seam allowing the bottom reinforcement (5) of the floor slab to be passed through at the position corresponding to the bottom reinforcement (5) of the floor slab.

3. The structure for preventing leakage of mortar at the lower opening of the debushing net post-pouring belt according to claim 2, characterized in that: The bottom end of the vertical rib of the support framework (701) extends below the bottom reinforcement (5) of the floor slab.

4. The structure for preventing leakage of mortar at the lower opening of the debushing net post-pouring belt according to claim 2, characterized in that: The vertical section of the mesh (702) extends downward to the top surface of the lower structure (1), then bends away from the post-pouring belt (3) along the top surface of the lower structure (1) and forms a flat section flatly arranged on the top surface of the lower structure (1).

5. The structure for preventing leakage of mud according to the lower opening of the bottom plate post-cast strip and stubble net of claim 4, characterized in that: The width of the flat section is not less than 50 mm.

6. The structure according to claim 1, characterized in that: The reverse ridge (4) is integrally poured and formed with the lower structure (1) using the same type of concrete.

7. The structure according to claim 1, characterized in that: The width of the reverse ridge (4) is not less than 50 mm.