CN-117365028-B - Anti-leakage structure for roof of high-rise building

CN117365028BCN 117365028 BCN117365028 BCN 117365028BCN-117365028-B

Abstract

The application relates to the field of building construction design, and provides a high-rise building roof anti-seepage structure which comprises a plurality of prefabricated plates and an inner anti-seepage unit arranged between two adjacent prefabricated plates, wherein self-leveling mortar layers are cast on the tops of the prefabricated plates and the inner anti-seepage unit together, the inner anti-seepage unit comprises a foundation plate and two side plate pieces, the two side plate pieces are symmetrically arranged and respectively fixed on two opposite sides of the foundation plate, the foundation plate and the two side plate pieces are jointly enclosed to form a drainage cavity, each side plate piece is used for being fixed with a concrete substrate of a building roof, an integrally formed abutting plate is arranged on the side face of the foundation plate piece, the abutting plate is inserted between the two adjacent side plate pieces and abuts against the adjacent side faces of the two side plate pieces at the same time, waterproof sheets are adhered on the side faces of the prefabricated plate pieces, and a plastering layer used for adhering and fixing the waterproof sheets is arranged on the outer side faces of the side plate pieces. Based on this, can reduce the rainwater and leak to the indoor possibility of building, make the building roofing keep good antiseep effect.

Inventors

TU MINJIE
ZHANG HENGCHUN
YANG ZHENQIN
WANG XUAN
HUANG YAN
JIANG NA
ZHANG JUNJIE

Assignees

中建海峡建设发展有限公司

Dates

Publication Date: 20260505
Application Date: 20231103

Claims (10)

1. A high-rise building roof anti-seepage structure is characterized by comprising a plurality of prefabricated plate members (1) arranged side by side and an inner anti-seepage unit (2) arranged between two adjacent prefabricated plate members (1), wherein self-leveling mortar layers (5) are cast together on the top of the prefabricated plate members (1) and the top of the inner anti-seepage unit (2), two ends of the inner anti-seepage unit (2) in the extending direction are arranged in an open mode, The inner seepage-proofing unit (2) comprises a base plate (3) and two side plate (4), wherein the two side plate (4) are symmetrically arranged and respectively fixed on two opposite sides of the base plate (3), and the base plate (3) and the two side plate (4) are jointly enclosed to form a drainage cavity (21); the side plates (4) are used for being fixed with a concrete base plate (9) of a building roof, the side surfaces of the foundation plates (3) are provided with integrally formed abutting plates (31), and the abutting plates (31) are inserted between two adjacent side plates (4) and simultaneously abut against the adjacent side surfaces of the two side plates (4); The waterproof sheet (11) is adhered to the side face of the prefabricated plate (1), a particle layer is arranged on the surface of the waterproof sheet (11), and a plastering layer (411) for adhering and fixing the waterproof sheet (11) is arranged on the outer side face of the side plate (4).
2. The leakage preventing structure for high-rise building roof according to claim 1, wherein the side plate member (4) comprises a connecting portion (41), a supporting portion (42), a transition portion (43) and a fixing portion (44) which are sequentially arranged, wherein, The connecting part (41) is vertically arranged, the plastering layer (411) is arranged on the outer side surface of the connecting part (41), the connecting part (41) and the supporting part (42) are vertically arranged, and when the prefabricated plate (1) is fixed on the connecting part (41), the prefabricated plate (1) is abutted against the top surface of the supporting part (42); The fixing part (44) is fixed on the concrete substrate (9) through the bolt part (441), a fine sand layer (6) is arranged between the prefabricated plate (1) and the concrete substrate (9), the transition part (43) is propped against the outer side of the fine sand layer (6), and the foundation plate (3) is fixed on the inner side surface of the transition part (43).
3. The anti-seepage structure of the high-rise building roof according to claim 2, wherein the side surface of the foundation plate (3) is provided with two groups of support plate groups which are symmetrically arranged at two sides of the abutting plate (31), The support plate group comprises a first support plate (32) and a second support plate (33) which are fixed on the base plate (3), wherein the second support plate (33) is positioned on one side, far away from the abutting plate (31), of the first support plate (32), the end face of the first support plate (32) abuts against the supporting part (42), and the end face of the second support plate (33) abuts against the transition part (43).
4. The anti-seepage structure for the high-rise building roof according to claim 3, wherein a first drainage area (22) is formed between the first supporting plate (32) and the supporting portion (42), an inward groove (421) is formed in the side face, facing the prefabricated plate (1), of the supporting portion (42), a diversion hole (422) communicated with the first drainage area (22) is formed in the bottom wall of the inward groove (421), and a one-way core valve (7) used for limiting rainwater in the drainage cavity (21) to flow reversely is movably mounted in the diversion hole (422).
5. The anti-leakage structure of high-rise building roof according to claim 4, wherein the one-way core valve (7) is made of elastic material, the one-way core valve (7) comprises a core column (71), an umbrella cap (72) arranged at one end of the core column (71) and a core strip (73) arranged at the other end of the core column (71), The core column (71) is movably inserted into the guide hole (422), the umbrella cap (72) is positioned in the first water discharge area (22), and the core strip (73) is positioned in the invagination groove (421); the core bars (73) are provided with a plurality of core bars (73), all the core bars (73) are uniformly distributed around the outer peripheral surface of the core column (71), and when the core bars (73) are propped against the bottom wall of the invagination groove (421), gaps are formed between the umbrella caps (72) and the inner side surfaces of the supporting parts (42).
6. The anti-seepage structure of the high-rise building roof according to claim 4, wherein a lattice plate (8) is arranged between the prefabricated plate (1) and the fine sand soil layer (6), a plurality of strip-shaped grooves (81) are arranged on the side surface of the lattice plate (8) close to the prefabricated plate (1) at intervals, each strip-shaped groove (81) penetrates through two opposite sides of the lattice plate (8), and the extending direction of each strip-shaped groove (81) is arranged towards the connecting part (41).
7. The anti-seepage structure of the high-rise building roof according to claim 3, wherein a second drainage area (23) is formed between the first supporting plate (32) and the adjacent second supporting plate (33), a plurality of penetrating holes (431) are formed in the transition portion (43) in a penetrating mode, each penetrating hole (431) is communicated with the second drainage area (23), and geotechnical cloth (432) used for covering the penetrating holes (431) is adhered to the outer side face of the transition portion (43).
8. The anti-seepage structure for the high-rise building roof according to claim 7, wherein the foundation plate (3), the abutting plate (31) and the supporting plate group are all made of aluminum alloy materials.
9. The anti-seepage structure for the high-rise building roof according to claim 3, wherein a third water draining area (24) is formed between the second supporting plate (33) and the transition part (43), and a water absorbing cotton felt (34) is arranged inside the third water draining area (24).
10. The high-rise building roof leakage-proof structure according to claim 1, wherein the top of the inner leakage-proof unit (2) and the tops of two adjacent waterproof sheets (11) on two sides are laid with a glass fiber felt net (51) together, and the self-leveling mortar layer (5) is covered on the glass fiber felt net (51).

Description

Anti-leakage structure for roof of high-rise building Technical Field The application relates to the field of building construction design, in particular to a high-rise building roof anti-seepage structure. Background The modern high-rise building is usually prefabricated plate members in the construction and decoration process, has the advantages of simple structure, light dead weight, convenient installation, low cost and the like, and can effectively shorten the construction period and the comprehensive cost of the building. At present, when the existing high-rise building roof is built, the prefabricated plate is paved on the surface of the building roof, then the perlite cotton plate is paved as a roof heat-insulating layer, and finally, an asphalt waterproof sheet is paved on the top surface of the roof heat-insulating layer, or other plugging agents such as plastic ointment, modified asphalt and the like are used as waterproof materials, so that the waterproof and seepage-proofing functions of the roof are achieved. However, due to assembly accuracy errors in the construction process, gaps inevitably exist between adjacent prefabricated plates, the subsequent prefabricated plates are affected by the thermal expansion and contraction phenomena, the gaps between the adjacent prefabricated plates are increased, the leakage phenomenon still occurs easily, and the improvement is needed. Disclosure of Invention In order to keep good anti-leakage effect on the building roof, the application provides an anti-leakage structure for the high-rise building roof. The application provides a high-rise building roof leakage-proof structure, which adopts the following technical scheme: The anti-seepage structure for the high-rise building roof comprises a plurality of prefabricated plates arranged side by side and an inner anti-seepage unit arranged between two adjacent prefabricated plates, wherein the top of the prefabricated plates and the top of the inner anti-seepage unit are cast with self-leveling mortar layers together, the two ends of the inner anti-seepage unit in the extending direction are arranged in an open mode, The inner seepage-proofing unit comprises a foundation plate and two side plate pieces, wherein the two side plate pieces are symmetrically arranged and respectively fixed on two opposite sides of the foundation plate, and the foundation plate and the two side plate pieces are jointly enclosed to form a drainage cavity; the side face of the foundation plate is provided with an integrally formed abutting plate which is inserted between two adjacent side plate pieces and abuts against the adjacent side faces of the two side plate pieces at the same time; The side of the prefabricated plate is adhered with a waterproof sheet, the surface of the waterproof sheet is provided with a particle layer, and the outer side of the side plate is provided with a plastering layer for adhering and fixing the waterproof sheet. According to the technical scheme, when the building roof is paved, the foundation plate can be fixed between the two side plate pieces to form the inner seepage prevention units, the inner seepage prevention units are pre-fixed on the concrete base plate according to the planning design, then the waterproof sheet is adhered and fixed on the side surfaces of the prefabricated plate pieces, cement mortar is smeared on the side plate pieces of the inner seepage prevention units to form a mortar layer, the prefabricated plate pieces can be firmly connected with the adjacent side plate pieces through adhesion of the particle layers on the surfaces of the waterproof sheet pieces and the mortar layers on the surfaces of the side plate pieces, after all the prefabricated plate pieces are paved, mortar is poured on the surfaces of the members to form self-leveling mortar layers, and then the whole building roof can be built, and at the moment, the self-leveling mortar layers can play a primary waterproof role, and the possibility of downward leakage of rainwater in rainy days is reduced. Moreover, as time goes by, the prefabricated plate deforms under the phenomena of thermal expansion and contraction, when the connecting position of the prefabricated plate and the inner anti-seepage unit deviates and a crack appears in the self-leveling mortar layer above the prefabricated plate, the prefabricated plate can drive the side plate connected with the prefabricated plate to displace, so that a gap is formed between the abutting plate and the side plate, the crack generating position at the moment is often formed above the gap, rainwater can infiltrate into a drainage cavity of the inner anti-seepage unit after leaking downwards through the crack, and finally is discharged through an open end along the extending direction of the inner anti-seepage unit, so that the possibility that the rainwater leaks into a building room can be greatly reduced, and a good anti-seepage effect is kept on a building roof