Waterproof structure for settlement joint of outer wall top plate
By using a combination of embedded waterstop, extruded polystyrene board filling, reinforced concrete structural layer and waterproof coating layer at the settlement joint of the exterior wall roof, the leakage problem at the settlement joint of the exterior wall roof was solved, and a durable waterproof effect was achieved.
Patent Information
- Application Number
- CN202423082784.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Uneven settlement of the exterior wall roof slab can cause the waterproofing material at the settlement joints to tear and crack, resulting in water leakage. Existing waterproofing measures are not effective.
The structure employs a combination of embedded waterstop, extruded polystyrene board filling, reinforced concrete structural layer, waterproof coating layer, and self-adhesive waterproof membrane layer. Waterproofing is achieved by combining sealant with the waterproof membrane layer. Extruded polystyrene board is used to fill any breaks in the self-adhesive waterproof membrane layer, and high elongation waterproof material is used to accommodate structural deformation.
It achieves a durable waterproofing effect on the settlement joints of the exterior wall and roof slab, and can maintain good waterproofing performance under settlement conditions. The structural design is novel and has high practical application value.
Smart Images

Figure CN223593590U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building waterproof structure technical field especially a kind of outer wall roof deck settlement joint waterproof structure. BACKGROUND
[0002] When the height, load and structure form of adjacent parts are quite different on the roof deck of house outer wall and the foundation is weak, the house can produce uneven settlement, and thus some weak parts of roof deck crack, so if the structure design of settlement part is unreasonable, waterproof material can be easily damaged and cracked, causing water leakage;To prevent the destruction of building caused by uneven settlement of foundation, special structure is set to carry out waterproof treatment, and due to the particularity of its own structure, it is not easy to do durable waterproof treatment for the settlement joint of outer wall roof deck. UTILITY MODEL CONTENTS
[0003] The utility model aims at the above situation, and provides a kind of outer wall roof deck settlement joint waterproof structure, which is novel in design, and can play a durable waterproof role.
[0004] The specific scheme of the utility model is: a kind of outer wall roof deck settlement joint waterproof structure, including roof deck concrete wall and settlement joint in roof deck concrete wall, middle buried type waterstop is arranged at the inside middle position of settlement joint, extruded sheet is also filled in settlement joint, reinforced concrete structure layer is arranged on the top of settlement joint, waterproof coating layer is laid on the top of reinforced concrete structure layer, and self-adhesive coiled material waterproof layer is laid on the top of waterproof coating layer.
[0005] Further, the self-adhesive coiled material waterproof layer in the utility model is divided into left and right two sections, the left and right two sections of self-adhesive coiled material waterproof layer are disconnected from settlement joint, the disconnected part of left and right two sections of self-adhesive coiled material waterproof layer is filled with extruded sheet for caulking treatment, and the extruded sheet is arranged opposite to the extruded sheet in settlement joint.
[0006] Further, the thickness of the self-adhesive coiled material waterproof layer in the utility model is 1.5mm.
[0007] Further, the bottom of the settlement joint is filled with sealing paste, and the top of the settlement joint is also filled with sealing paste on the bottom surface of the reinforced concrete structure layer.
[0008] Further, the waterproof coating layer in the utility model is paved with water-soluble penetration and consolidation type high-molecular composite waterproof coating.
[0009] Further, the horizontal width of the reinforced concrete structure layer in the utility model is 200mm, and the waterproof coating layer and the self-adhesive coiled material waterproof layer are paved on the upper surface of the roof deck concrete wall.
[0010] The application can solve the water leakage problem of the settlement joint of the outer wall roof plate, and has novel structure design, good waterproof effect, long service life, good waterproof effect in the settlement state, and good practical application and popularization value. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is the front view direction sectional structure schematic diagram of the utility model.
[0012] In the drawing: 1 - roof plate concrete wall, 2 - middle buried type waterstop, 3 - settlement joint, 4 - extruded plate, 5 - sealing paste, 6 - reinforced concrete structure layer, 7 - waterproof coating layer, 8 - self-adhesive coiled material waterproof layer. DETAILED DESCRIPTION
[0013] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model. In the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship of the utility model product when it is usually placed, which is only for the convenience of describing the utility model or simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0014] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrange", "install", "connect" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected, can be mechanically connected, or can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, or can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0015] Referring to Figure 1The utility model relates to a kind of outer wall roof deck settlement joint waterproof structure, including roof deck concrete wall 1 and settlement joint 3 in roof deck concrete wall, the inside middle position of settlement joint is provided with middle buried waterstop 2, extruded sheet 4 is also filled in settlement joint, reinforced concrete structure layer 6 is arranged flat on the top of settlement joint, waterproof coating layer 7 is laid on the top of reinforced concrete structure layer, self-adhesive coiled material waterproof layer 8 is laid on the top of waterproof coating layer.Further, the self-adhesive coiled material waterproof layer in the utility model is divided into left and right two sections, left and right two sections of self-adhesive coiled material waterproof layer are disconnected from settlement joint, left and right two sections of self-adhesive coiled material waterproof layer are filled extruded sheet and are treated with caulking, the extruded sheet here is arranged opposite to extruded sheet in settlement joint.Further, the thickness of the self-adhesive coiled material waterproof layer in the utility model is 1.5mm.Further, the bottom of the settlement joint is filled with sealing paste in the utility model, and the bottom surface of reinforced concrete structure layer on the top of settlement joint is also filled with sealing paste 5.Further, the waterproof coating layer in the utility model is paved using water-soluble penetration consolidation type high-molecular composite waterproof coating.Further, the horizontal width of the reinforced concrete structure layer in the utility model is 200mm, and waterproof coating layer and self-adhesive coiled material waterproof layer are then paved on the upper plate surface of roof deck concrete wall.
[0016] Before pouring concrete on both sides of settlement joint, middle buried waterstop should be installed according to design, and clamped with formwork, to ensure that rubber waterstop does not shift when pouring concrete. After demolding, extruded sheet filling material is adhered with foaming glue, and then the other side of concrete wall can be poured. High-quality rubber waterstop must be selected, and overlapping is carried out according to product instructions, and two 200 wide butyl rubber tapes are used for reinforcement. Extruded sheet should be fireproof extruded sheet in accordance with specifications.
[0017] The self-adhesive coiled material waterproof layer above adopts high-molecular self-adhesive glue film waterproof coiled material with elongation rate of more than 600%, to ensure that the outer waterproof does not damage when the structure deforms. The coiled material in settlement joint position must be laid along the length of settlement joint, and the overlapping length is not less than 200, and the surface isolation layer needs to be removed during overlapping, and special double-sided adhesive tape is used for bonding.
[0018] High-molecular self-adhesive glue film coiled material on the top of roof deck, i.e. waterproof coating layer, needs to extend to side wall (not less than 500), and the connection part of outer wall waterproof layer and waterproof layer on the top of roof deck needs to be provided with reinforced waterproof layer, and ensure that the connection is tight.
[0019] The waterproof coating layer on the roof settlement joint needs to use waterproof material with elongation rate greater than 600%, to ensure that the waterproof layer remains intact when the building deforms. It can use ternary ethylene-propylene or butyl rubber, which has large durability and elongation rate, and use special adhesive material for auxiliary attachment. The outer side of the waterproof layer needs to use hard protection to ensure that the backfilling soil will not be damaged due to soil friction. The roof waterproof layer needs to be empty at the settlement joint (both sides need to be full of adhesive). If it is an indoor part, metal cover plate can be used, which is convenient to remove the cover plate when leakage occurs, and to bury the needle for grouting. The later grouting is preferably water-facing curtain grouting.
[0020] The application of the utility model can well solve the water leakage problem of the outer wall roof when the settlement joint appears, the waterproof measure has novel structure design, good waterproof effect, long service time, even in the settlement state, still has good waterproof effect, has good practical application and popularization value.
Claims
1. A waterproof structure for settlement joints in an exterior wall roof slab, comprising a roof slab concrete wall and settlement joints within the roof slab concrete wall, characterized in that: The middle embedded waterstop is arranged at the inner middle position of the settlement joint, and the settlement joint is filled with the extruded plate, the top of the settlement joint is paved with the reinforced concrete structure layer, the waterproof coating layer is paved on the reinforced concrete structure layer, and the self-adhesion coiled material waterproof layer is paved on the waterproof coating layer.
2. The waterproof structure of the settlement joint of the outer wall roof plate according to claim 1, characterized in that: The self-adhesion coiled material waterproof layer is divided into left and right sections, the left and right sections of the self-adhesion coiled material waterproof layer are disconnected from the settlement joint, the disconnected positions of the left and right sections of the self-adhesion coiled material waterproof layer are filled with the extruded plate for the filling treatment, and the extruded plate is arranged opposite to the extruded plate in the settlement joint.
3. The waterproof structure of the settlement joint of the outer wall roof plate according to claim 2, characterized in that: The thickness of the self-adhesion coiled material waterproof layer is 1.5 mm.
4. The waterproof structure of the settlement joint of the outer wall roof plate according to claim 1, characterized in that: The bottom of the settlement joint is filled with the sealing paste, and the top of the settlement joint is also filled with the sealing paste on the bottom surface of the reinforced concrete structure layer.
5. The outer wall roof deck settlement joint waterproof structure according to claim 1, characterized in that: The waterproof coating layer is paved by using the water-soluble penetration and consolidation type high-molecular composite waterproof coating.
6. The outer wall roof settlement joint waterproof structure according to claim 1, characterized in that: The horizontal width of the reinforced concrete structure layer is 200 mm, and the waterproof coating layer and the self-adhesion coiled material waterproof layer are paved on the upper plate surface of the roof concrete wall.