Waterproof structure of light well in severe cold area

Abstract

The utility model discloses a waterproof structure of a light well in a severe cold area, which relates to the technical field of light well waterproofing and comprises a light well main body, a pouring foundation is arranged at the lower end of the light well main body, a flexible substrate layer is laid on the outer surface of the light well main body, and an active electric heat tracing layer is laid on the outer surface of the flexible substrate layer. A rigid protection layer is laid on the outer surface of the active electric heat tracing layer, and the inner side edges of the flexible substrate layer, the active electric heat tracing layer and the rigid protection layer extend to the inner surface of the light well body. The outer sides of the flexible substrate layer, the active electric heat tracing layer and the rigid protection layer extend to the outer surface of the flexible substrate layer, and a crack monitoring optical fiber and a humidity sensor are embedded in the rigid protection layer, so that the waterproof effect of waterproof construction in severe environments such as extremely low temperature, freeze-thaw cycle and ice and snow load is improved; and potential safety hazards such as leakage and structure cracking are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a light well waterproof technical field, specifically related to a kind of light well waterproof structure in severe cold area. BACKGROUND

[0002] Light well waterproof construction is the key link in building engineering, directly influence basement, sunken courtyard and the waterproof effect of space, light well waterproof construction needs to solve the problems of structure settlement, leakage hidden danger and long-term weather resistance, especially in severe cold area, low temperature environment can directly affect waterproof effect, and light well waterproof construction in severe cold area faces many technical problems.The traditional waterproof method is easy to fail in extremely low temperature, freeze-thaw cycle, ice and snow load and other harsh environments, resulting in leakage, structure cracking and even safety hazards. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of light well waterproof structure in severe cold area to solve the problems of traditional waterproof method in extremely low temperature, freeze-thaw cycle, ice and snow load and other harsh environments, resulting in leakage, structure cracking and even safety hazards.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of light well waterproof structure in severe cold area, including light well main part, the lower end of the light well main part is equipped with pouring foundation, the outer surface of the light well main part is paved with flexible base layer, the outer surface of the flexible base layer is paved with active electric heat tracing layer, the outer surface of the active electric heat tracing layer is paved with rigid protective layer, the inner side of the flexible base layer, the active electric heat tracing layer and the rigid protective layer extends to the inner surface of the light well main part, the outer side of the flexible base layer, the active electric heat tracing layer and the rigid protective layer extends to the outer surface of flexible base layer, the inside of the rigid protective layer is embedded with crack monitoring optical fiber and humidity sensor, the upper end of the light well main part and the rigid protective layer are glued with light window, the rear side of the light well main part is equipped with drainage groove.

[0005] Preferably, the upper surface of the pouring foundation and the rear side of the light well main part are provided with building wall, the drainage groove is arranged between the light well main part and the building wall, the rear side of the flexible base layer, the active electric heat tracing layer and the rigid protective layer extends to the outer surface of the building wall, the outer surface of the building wall is provided with electric control box, and the electric control box is electrically connected with the active electric heat tracing layer, the crack monitoring optical fiber and the humidity sensor.

[0006] Preferably, the flexible base layer is a low-temperature elastomer modified asphalt waterproof coiled material laid on the outer surface of the light well body, the active electric heat tracing layer is a self-regulating electric heat tracing tape laid on the outer surface of the flexible base layer, and the rigid protective layer is a thick fiber reinforced polymer mortar laid on the outer surface of the active electric heat tracing layer.

[0007] Preferably, paraffin-based PCM particles are incorporated into the cast foundation.

[0008] Compared with the prior art, the utility model has the beneficial effects that: the traditional waterproof method is replaced, the waterproof effect of waterproof construction in extremely low temperature, freeze-thaw cycle, ice and snow load and other harsh environments is improved, safety hazards such as leakage and structure cracking are avoided, electric heat tracing + PCM double temperature control solves the low-temperature brittle cracking problem of traditional materials, intelligent system reduces artificial inspection cost, prolongs service life to more than 30 years, PCM material can be recycled, and energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the main structure of the utility model Axonometric view;

[0010] Figure 2 It is the main structure of the utility model Axonometric view;

[0011] Figure 3 It is the main structure of the utility model Axonometric view;

[0012] Figure 4 It is the main structure of the utility model Axonometric view;

[0013] Figure 5 It is the main structure of the utility model Axonometric view;

[0014] In the drawing: 1-light well body, 2-cast foundation, 3-flexible base layer, 4-active electric heat tracing layer, 5-rigid protective layer, 6-crack monitoring optical fiber, 7-humidity sensor, 8-light window, 9-drainage channel, 10-building wall, 11-electric control box. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0016] Please refer to Figures 1-5The utility model provides a kind of waterproof structure of light well in severe cold area, including light well main body 1, the lower end of the light well main body 1 is equipped with pouring foundation 2, the outer surface of the light well main body 1 is paved with flexible base layer 3, the outer surface of the flexible base layer 3 is paved with active electric heat tracing layer 4, the outer surface of the active electric heat tracing layer 4 is paved with rigid protective layer 5, the inside of the flexible base layer 3, the active electric heat tracing layer 4 and the rigid protective layer 5 extends to the inner surface of the light well main body 1, the outside of the flexible base layer 3, the active electric heat tracing layer 4 and the rigid protective layer 5 extends to the outer surface of flexible base layer 3, the inside of the rigid protective layer 5 is embedded with crack monitoring optical fiber 6 and humidity sensor 7, the upper end of the light well main body 1 and in the rigid protective layer 5 are glued with light window 8, the rear side of the light well main body 1 is equipped with drain groove 9.

[0017] In use, first, pouring foundation 2 is set in the position corresponding to light well, after the setting of pouring foundation 2 is completed, light well main body 1 is set on pouring foundation 2 in the position corresponding to light well, light well main body 1 extends to the upper end of pouring foundation 2, first, flexible base layer 3 is covered on the outer surface of light well main body 1, after the setting of flexible base layer 3, active electric heat tracing layer 4 is covered on the outer surface of flexible base layer 3, after the setting of active electric heat tracing layer 4, rigid protective layer 5 is covered on the outer surface of active electric heat tracing layer 4, crack monitoring optical fiber 6 and humidity sensor 7 are pre-buried in the inside of rigid protective layer 5, the crack generated by the whole waterproof structure is checked through crack monitoring optical fiber 6, the temperature and humidity of the whole waterproof structure is detected through humidity sensor 7, the outermost protection of the whole structure is carried out through rigid protective layer 5, the inside and outside of flexible base layer 3, active electric heat tracing layer 4 and rigid protective layer 5 respectively extend to the inside of light well main body 1 and the outer surface of pouring foundation 2, light window 8 is glued on the upper end of light well main body 1, to ensure the waterproof performance between light well main body 1 and light window 8, drain groove 9 is set on the rear side of light well main body 1, rainwater is discharged to rainwater well.

[0018] The upper surface of the pouring foundation 2 is provided with a building wall 10 at the rear side of the light well body 1, the drainage groove 9 is arranged between the light well body 1 and the building wall, the rear side of the flexible base layer 3, the active electric heat tracing layer 4 and the rigid protection layer 5 extends to the outer surface of the building wall 10, the outer surface of the building wall 10 is provided with an electric control box 11, the electric control box 11 is electrically connected with the active electric heat tracing layer 4, the crack monitoring optical fiber 6 and the humidity sensor 7, generally, the light well body 1 is arranged at one side of the building wall 10, at this time, the outer side of the flexible base layer 3, the active electric heat tracing layer 4 and the rigid protection layer 5 needs to be extended to the upper end of the building wall 10, and the drainage groove 9 is arranged between the pouring wall 10 and the light well body 1, the rainwater on the building wall 10 and the upper part of the light well body 1 is outputted outside through the drainage groove 9, so that the rainwater is avoided from gathering between the building wall 10 and the light well body 1, and the electric control box 11 is arranged on the building wall 10, and the electric heat tracing layer 4, the crack monitoring optical fiber 6 and the humidity sensor 7 are powered and data is collected through the electric control box 11.

[0019] The flexible base layer 3 is a low-temperature elastomer modified asphalt waterproof coiled material laid on the outer surface of the light well body 1, which still keeps flexibility at-40 DEG C, and the joints are hot melt welded, the active electric heat tracing layer 4 is a self-regulating electric heat tracing tape laid on the outer surface of the flexible base layer 3, which is started at low temperature (threshold value of-5 DEG C) through an intelligent temperature control system to prevent icing and frost heaving damage, and the rigid protection layer 5 is a thick fiber reinforced polymer mortar laid on the outer surface of the active electric heat tracing layer 4, which covers the electric heat tracing layer and forms impact protection.

[0020] The paraffin-based PCM particles are mixed in the pouring foundation 2, the paraffin-based PCM particles (phase change temperature 0-5 DEG C) are mixed in the pouring foundation 2 to store heat in the day and release heat at night, so that the frost heaving of the foundation soil is reduced.

[0021] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A waterproof structure for a light well in extremely cold regions, characterized in that: The light well body (1) includes a casting foundation (2) at the lower end of the light well body (1), a flexible base layer (3) on the outer surface of the light well body (1), an active electric heat tracing layer (4) on the outer surface of the flexible base layer (3), a rigid protective layer (5) on the outer surface of the active electric heat tracing layer (4), the inner sides of the flexible base layer (3), the active electric heat tracing layer (4) and the rigid protective layer (5) extend to the inner surface of the light well body (1), the outer sides of the flexible base layer (3), the active electric heat tracing layer (4) and the rigid protective layer (5) extend to the outer surface of the flexible base layer (3), a crack monitoring fiber (6) and a humidity sensor (7) are embedded inside the rigid protective layer (5), a light window (8) is glued to the upper end of the light well body (1) and the rigid protective layer (5), and a drainage trough (9) is provided on the rear side of the light well body (1).

2. The waterproof structure for a light well in extremely cold regions according to claim 1, characterized in that: A building wall (10) is provided on the upper surface of the casting foundation (2) and on the rear side of the light well body (1). The drainage trough (9) is provided between the light well body (1) and the building wall (). The rear outer edges of the flexible base layer (3), the active electric heat tracing layer (4) and the rigid protective layer (5) extend to the outer surface of the building wall (10). An electrical control box (11) is provided on the outer surface of the building wall (10). The electrical control box (11) is electrically connected to the active electric heat tracing layer (4), the crack monitoring optical fiber (6) and the humidity sensor (7).

3. The waterproof structure for a light well in extremely cold regions according to claim 1, characterized in that: The flexible base layer (3) is a low-temperature elastomeric modified bitumen waterproof membrane laid on the outer surface of the main body (1) of the light well. The active electric heating layer (4) is a self-regulating electric heating tape laid on the outer surface of the flexible base layer (3). The rigid protective layer (5) is a thick fiber-reinforced polymer mortar laid on the outer surface of the active electric heating layer (4).

4. The waterproof structure for a light well in extremely cold regions according to claim 1, characterized in that: Paraffin-based PCM particles are incorporated into the cast foundation (2).

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