Overhead terrace moisture removal structure

Abstract

The utility model relates to the technical field of building construction, in particular to an overhead terrace moisture removal structure which comprises a plain soil layer, a fine aggregate concrete cushion layer, a cement-based capillary crystalline waterproof coating, a concrete guide wall, a prefabricated concrete plate, a concrete laminated layer, a cement sand troweling layer, an inner side wall body, an air exhaust vertical shaft, an air supply and return port, adjacent wall bodies and an expansion joint. According to the utility model, the overhead terrace structure is combined with the vertical tube well, air circulation is realized, and terrace layer air microcirculation is formed, so that the aim of structure optimization is fulfilled, the moisture removal effect is obviously improved, and meanwhile, the smell emitted by terrace moisture is sent out of a building through the tube well, so that the indoor air quality and comfort are ensured; therefore, the problems of moisture regain and peculiar smell of the terrace in the southern region are solved, and moisture and peculiar smell are inhibited from the source.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and particularly relates to a moisture exhaust structure for an elevated floor slab. Background Art

[0002] In the southern regions, due to the humid climate, high-humidity environments often occur, which may cause ground moisture return and odors on the first floors of many buildings in specific seasons. The traditional method is to set side ventilation openings below the floor slab, but it is easy for insects, rats, etc. to drill in or foreign objects to fall in, and it is also likely to have a certain impact on the facade of the building. If facilities such as dehumidifiers, ventilation and air-conditioning systems are used, the moisture and odors cannot be suppressed at the root cause.

[0003] Therefore, it is necessary to design a moisture exhaust structure for an elevated floor slab, starting from the structure of the building itself, to improve the ability to remove ground moisture and thus improve the indoor environmental quality and living comfort in the southern regions. Content of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose a moisture exhaust structure for an elevated floor slab.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A moisture exhaust structure for an elevated floor slab, including a plain soil layer, a fine aggregate concrete cushion layer, a cementitious capillary crystalline waterproof coating, a concrete guide wall, precast concrete slabs, a concrete composite layer, a cement-sand smoothing layer, an inner wall, an exhaust shaft, a supply and return air opening, an adjacent wall, and a expansion joint. The fine aggregate concrete cushion layer is laid above the plain soil layer, the cementitious capillary crystalline waterproof coating is applied to the upper end of the fine aggregate concrete cushion layer, and a plurality of concrete guide walls are poured on the upper end of the fine aggregate concrete cushion layer.

[0006] As a preferred technical solution of the utility model, a plurality of precast concrete slabs are laid on the upper ends of the plurality of concrete guide walls, and expansion joints are left between the precast concrete slabs.

[0007] As a preferred technical solution of the utility model, a concrete composite layer is arranged above the plurality of precast concrete slabs.

[0008] As a preferred technical solution of the utility model, the cement-sand smoothing layer is spread on the upper surface of the concrete composite layer.

[0009] As a preferred technical solution of the utility model, an exhaust shaft is opened on one side of the inner wall, and an adjacent wall is arranged on one side of the exhaust shaft.

[0010] As a preferred technical solution of the present utility model, an air supply and return opening is provided on one side of the wall below the precast concrete slab, and the air supply and return opening is communicated with the exhaust shaft.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. The present utility model combines the elevated floor structure with the vertical pipe well to realize air circulation, form the air microcirculation of the floor layer, so as to achieve the purpose of structural optimization, significantly improve the moisture exhaust effect, and at the same time send out the smell of the floor moisture through the pipe well to ensure the indoor air quality and comfort, thus improving the problems of floor moisture return and peculiar smell in the southern region, and suppressing the moisture and peculiar smell from the source;

[0013] 2. The present utility model does not need to set air exchange ventilation openings for the elevated layer on the outer facade, ensuring that the appearance of the building facade is not affected. The design effect is achieved through local structural optimization, without the need for complex processes and special technologies, and does not involve special construction processes and special material procurement, so the cost will not increase significantly, and it has good innovation and economy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0015] Figure 1 is a schematic diagram of the prior art structure;

[0016] Figure 2 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 3 is a schematic diagram of the partial enlarged structure of the present utility model.

[0018] In the figure: 1, plain soil layer; 2, fine stone concrete cushion layer; 3, cement-based penetrating crystalline waterproof coating; 4, concrete guide wall; 5, precast concrete slab; 6, concrete composite layer; 7, cement-sand smoothing layer; 8, inner wall; 9, exhaust shaft; 10, air supply and return opening; 11, adjacent wall; 12, expansion joint. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will combine the attached drawings in the embodiments of the present utility model Figures 1-3, the technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Embodiment

[0021] Please refer to FIGS. 1-3. The present utility model provides the following technical solutions: An overhead floor moisture exhaust structure includes a plain soil layer 1, a fine aggregate concrete cushion layer 2, a cementitious capillary crystalline waterproof coating 3, a concrete guide wall 4, precast concrete slabs 5, a concrete composite layer 6, a cement-sand finishing layer 7, an inner wall 8, an exhaust shaft 9, a supply and return air outlet 10, an adjacent wall 11, and a expansion joint 12. A fine aggregate concrete cushion layer 2 is laid above the plain soil layer 1. A cementitious capillary crystalline waterproof coating 3 is applied to the upper end of the fine aggregate concrete cushion layer 2. A plurality of concrete guide walls 4 are cast on the upper end of the fine aggregate concrete cushion layer 2.

[0022] The laying thickness of the above-mentioned fine aggregate concrete cushion layer 2 is 80 mm, the coating thickness of the above-mentioned fine aggregate concrete cushion layer 2 is 1.2 mm, the casting height of the above-mentioned concrete guide wall 4 is 250 mm, and the strength grade is C25.

[0023] A plurality of precast concrete slabs 5 are laid on the upper ends of the plurality of concrete guide walls 4. There is an expansion joint 12 between the precast concrete slabs 5.

[0024] A concrete composite layer 6 is arranged above the plurality of precast concrete slabs 5.

[0025] The thickness of the precast concrete slab 5 laid on the above-mentioned concrete guide wall 4 is 60 mm, and the strength grade is C25; the thickness of the above-mentioned concrete composite layer 6 is 40 mm, and the strength grade is C25.

[0026] A cement-sand finishing layer 7 is spread on the upper surface of the concrete composite layer 6.

[0027] The above-mentioned cement-sand finishing layer 7 is composed of cement and sand mixed in a ratio of 1:1, and needs to be finished by troweling after spreading.

[0028] Through the frame design of the above-mentioned fine aggregate concrete cushion layer 2, cementitious capillary crystalline waterproof coating 3, concrete guide wall 4, precast concrete slabs 5, concrete composite layer 6, and cement-sand finishing layer 7, the floor structure is locally optimized to achieve the design effect, realizing the overhead of the floor and facilitating the air circulation.

[0029] Please refer to Figure 2 , an exhaust shaft 9 is opened on one side of the inner wall 8, and an adjacent wall 11 is arranged on one side of the exhaust shaft 9.

[0030] A supply and return air vent 10 is provided on a wall on one side below the precast concrete slab 5 , and the supply and return air vent 10 is connected to the exhaust shaft 9 .

[0031] By providing an exhaust shaft 9 on one side of the inner wall 8 and a supply and return air vent 10 below the precast concrete slab 5, the exhaust shaft 9 is connected with the supply and return air vent 10 to realize air circulation between the floor overhead layer and the outside, thereby sending moisture and odor in the floor layer out of the building through the exhaust shaft 9.

[0032] The working principle and use process of the utility model: when in use, an air exchange flow ventilation duct is formed by the supply and return air outlet 10 provided under the precast concrete slab 5 and the exhaust shaft 9 opened on the inner wall of the room, so that the floor overhead layer and the outside air circulate to exchange air, and the air microcirculation of the overhead layer is realized. The floor moisture and the emitted odor are sent out of the building through the exhaust shaft 9, so that the dehumidification effect is significantly improved, thereby improving the structural node optimization of floor moisture and odor in the southern region.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An overhead floor moisture exhaust structure, comprising a plain soil layer (1), a fine stone concrete cushion layer (2), a cement-based penetrating crystalline waterproof coating (3), a concrete guide wall (4), a precast concrete slab (5), a concrete composite layer (6), a cement-sand finishing layer (7), an inner wall (8), an exhaust shaft (9), a supply and return air outlet (10), an adjacent wall (11) and a expansion joint (12), characterized in that: A fine aggregate concrete cushion layer (2) is laid above the plain soil layer (1), a cementitious capillary crystalline waterproof coating (3) is applied to the upper end of the fine aggregate concrete cushion layer (2), and a plurality of concrete guide walls (4) are cast on the upper end of the fine aggregate concrete cushion layer (2).

2. The moisture discharge structure of an overhead floor according to claim 1, wherein: A plurality of precast concrete slabs (5) are laid on the upper ends of the plurality of concrete guide walls (4), and expansion joints (12) are left between the precast concrete slabs (5).

3. The moisture exhaust structure of an elevated floor according to claim 2, characterized in that: A concrete composite layer (6) is arranged above the plurality of precast concrete slabs (5).

4. The moisture exhaust structure of an overhead floor according to claim 1, characterized in that: A cement sand finishing layer (7) is spread on the upper surface of the concrete composite layer (6).

5. The aero floor moisture exhaust structure according to claim 1, characterized in that: An exhaust shaft (9) is provided on one side of the inner wall (8), and an adjacent wall (11) is arranged on one side of the exhaust shaft (9).

6. The aero floor moisture exhaust structure according to claim 1, wherein: An air supply and return opening (10) is arranged on a side wall below the precast concrete slab (5), and the air supply and return opening (10) is communicated with the exhaust shaft (9).

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