CN216405508U - Waterproof structure of outer wall of underground building structure - Google Patents
Waterproof structure of outer wall of underground building structure Download PDFInfo
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- CN216405508U CN216405508U CN202122768738.0U CN202122768738U CN216405508U CN 216405508 U CN216405508 U CN 216405508U CN 202122768738 U CN202122768738 U CN 202122768738U CN 216405508 U CN216405508 U CN 216405508U
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- underground building
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- 239000010410 layer Substances 0.000 claims abstract description 271
- 239000004567 concrete Substances 0.000 claims abstract description 46
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 239000004575 stone Substances 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 34
- 238000004078 waterproofing Methods 0.000 claims description 17
- 239000011083 cement mortar Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 9
- 239000004793 Polystyrene Substances 0.000 claims description 8
- 229920002223 polystyrene Polymers 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an outer wall waterproof structure of an underground building structure, which comprises a ground, a slope finding layer connected to the ground, a concrete layer connected to the ground, an outer waterproof layer connected between the concrete layer and the slope finding layer, an inner waterproof layer connected above the concrete layer, a base isolation protective layer and a fine stone concrete layer connected above the inner waterproof layer, a backfill layer connected to one side of the concrete layer, a wall insulating layer and an outer waterproof layer connected between the concrete layer and the backfill layer, and a waterproof film layer connected between the wall insulating layer and the outer waterproof layer. According to the utility model, the waterproof film layer is fixedly connected with the outer waterproof layer, so that the problem of movement of the outer waterproof layer is avoided, and the integrity of the outer waterproof layer is further enhanced; the top of the inner waterproof layer is favorably and effectively fixed and the sealing is ensured by the combined arrangement of the pressing piece and the sealing connecting piece; through setting up such as inside and outside waterproof layer and relevant bed course, can guarantee structure atress and functional demand on effective waterproof basis.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to an outer wall waterproof structure of an underground building structure.
Background
After the waterproof operation and the backfill soil construction are completed, the backfill soil is wetted by rainwater and accumulated for a long time, and sinks under the action of sedimentation, and the extruded polystyrene board can sink to a certain extent in a small deformation range under the extrusion of soil pressure due to the fact that the waterproof coiled material is tightly attached to the extruded polystyrene board, so that the waterproof coiled material is driven to slide downwards, the waterproof coiled material is enabled to crack at a bonding seam, and the waterproof effect is reduced.
In the heated board work progress, need the special messenger to go to extrude the heated board, fixed heated board could backfill the construction, has the uncertain factor of thinking, can have backfill between waterproofing membrane and the heated board, bonds both together under the rainwater effect, and the unable 100% assurance quality of heated board construction. At the bottom of the extruded polystyrene board heated board hardness, in the work progress, take place to destroy easily, consequently can form the space at some corner positions, make the backfill soil get into, can bond both together under the rainwater effect equally, cause and subside whole gliding. Because waterproofing membrane construction completion back, waterproof insulation board is in the work progress, and not hugging closely together, can have the analysis between the adjacent heated board, makes partly backfill get into in the gap. Therefore, the connection between the heat preservation plate layer and the waterproof layer and the fixation of the waterproof layer are required to be designed in a targeted mode, and the connection sealing of the top of the inner waterproof layer is also required to be designed in a targeted mode.
SUMMERY OF THE UTILITY MODEL
The utility model provides an outer wall waterproof structure of an underground building structure, which is used for solving the technical problems of gliding of a waterproof layer of the outer wall of the underground building, fixed connection of an inner waterproof layer and an outer waterproof layer, arrangement and connection of all layers of the waterproof structure and the like.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an outer wall waterproof structure of an underground building structure comprises a ground, a slope finding layer connected to the ground, a concrete layer connected to the ground, an outer waterproof layer connected to the concrete layer and between the slope finding layer, an inner waterproof layer connected to the upper part of the concrete layer, a base isolation protective layer and a fine stone concrete layer connected to the upper part of the inner waterproof layer, a backfill layer connected to one side of the concrete layer, a wall insulating layer and an outer waterproof layer connected between the concrete layer and the backfill layer, and a waterproof film layer connected between the wall insulating layer and the outer waterproof layer;
the concrete layer is L-shaped and comprises a horizontal layer arranged on the upper part of the ground and a vertical structural outer wall layer; the upper part and the lower part of the horizontal layer are respectively connected with an inner waterproof layer and an outer waterproof layer, and the outer layer of the structural outer wall is connected with a backfill layer and connected with a wall heat-insulating layer;
and an additional waterproof layer is arranged at the internal corner of the concrete layer.
Furthermore, the waterproof membrane layer is connected with the vertical outer waterproof layer of the structure outer wall layer in a through-length mode, and the waterproof membrane layer is fixedly connected with the outer waterproof layer.
Furthermore, the waterproof membrane layer is at least 3mm thick, and the waterproof membrane layer is the PE membrane, and the waterproof membrane layer is connected with outer waterproof layer paste.
Further, there is the escape canal fine stone concrete layer is close to on one side of the structure outer wall layer, the U-shaped setting in escape canal, and be provided with waterproof concrete or waterproof cement mortar layer in the escape canal.
Furthermore, the wall heat-insulating layer is an extruded polystyrene board, and the thickness of the extruded polystyrene board is not less than 50 mm; and one side of the wall heat-insulating layer, which is connected with the waterproof membrane layer, is set to be a smooth surface.
Further, a bottom cushion layer is arranged between the outer waterproof layer and the concrete layer, and a foundation cushion layer is arranged between the concrete layer and the inner waterproof layer; the bottom cushion layer and the foundation cushion layer are cement mortar layers.
Further, the base isolation protective layer comprises an isolation layer and a protective layer, wherein the isolation layer is a plastic film isolation layer, and the protective layer is a cement mortar layer.
Furthermore, the leveling layer is arranged at the outer wall layer and the inner waterproof layer of the structure, the height of the leveling layer is not less than that of the inner waterproof layer, and the leveling layer is arranged in the height range in a full length mode.
Furthermore, the top of the leveling layer is fixedly connected with the top of the inner waterproof layer through a pressing piece, the pressing piece is Z-shaped, one end of the pressing piece is connected with the outer side of the leveling layer, and the other end of the pressing piece is connected with the structural outer wall layer.
Furthermore, the top of the inner waterproof layer is positioned in the pressing piece, a sealing connecting piece is connected between the pressing piece and the top of the inner waterproof layer, and the sealing connection is an arc-shaped piece pressed on the top of the inner waterproof layer.
The utility model has the beneficial effects that:
1) according to the utility model, the waterproof membrane layer is fixedly connected with the outer waterproof layer, so that the problem that the outer waterproof layer moves when the wall heat-insulating layer slides is avoided, and the integrity of the outer waterproof layer can be further enhanced;
2) according to the utility model, the combination arrangement of the pressing piece and the sealing connecting piece is beneficial to effectively fixing the top of the inner waterproof layer and ensuring sealing, wherein the pressing piece is beneficial to implementation and can be effectively pressed and connected with the leveling layer;
3) according to the utility model, through the arrangement of the inner and outer waterproof layers and the related cushion layers, the structural stress and functional requirements can be ensured on the basis of effective waterproofing;
additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model; the primary objects and other advantages of the utility model may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of a waterproof structure for an exterior wall of an underground building structure;
FIG. 2 is a schematic view of the connection structure of the outer waterproof layer;
FIG. 3 is a schematic view of a waterproofing membrane layer and its attachment;
FIG. 4 is a schematic view of the inner waterproof layer and its connection;
fig. 5 is a schematic view of the fixed connection of the inner waterproof top.
Reference numerals: 1-ground surface, 2-slope finding layer, 3-outer waterproof layer, 4-concrete layer, 41-horizontal layer, 42-structural outer wall layer, 5-inner waterproof layer, 6-fine stone concrete layer, 7-drainage ditch, 8-wall heat preservation layer, 9-backfill layer, 10-bottom cushion layer, 11-waterproof film layer, 12-base cushion layer, 13-base isolation protection layer, 14-leveling layer, 15-pressing piece and 16-sealing connecting piece.
Detailed Description
Taking a certain museum project as an example, the underground outer wall exceeds 9m, and belongs to an ultrahigh structure outer wall. The outer wall of the structure is tamped by backfilling. The concrete design of underground waterproofing is carried out to the structure outer wall, as shown in fig. 1 to 5, underground building structure outer wall waterproof construction contains ground 1, connect in the slope layer 2 on ground 1, connect in concrete layer 4 on ground 1, connect on concrete layer 4 and look for the outer waterproof layer 3 between the slope layer 2, connect in the interior waterproof layer 5 of concrete layer 4 top, connect in the base isolation protective layer 13 and the fine stone concrete layer 6 of interior waterproof layer 5 top, connect in the backfill layer 9 of concrete layer 4 one side, connect in the wall heat preservation 8 and the outer waterproof layer 3 between concrete layer 4 and backfill layer 9 and connect in the waterproof membrane layer 11 between wall heat preservation 8 and outer waterproof layer 3. And an additional waterproof layer is arranged at the internal corner of the concrete layer 4.
The structural outer wall layer 42 is formed by pouring concrete and integrally poured with the underground horizontal layer 41 to form an L shape. The upper and lower horizontal layers 41 are respectively connected with an inner waterproof layer 5 and an outer waterproof layer 3, and the outer surface of the structural outer wall layer 42 is connected with a backfill layer 9 and the inner surface thereof is connected with a wall heat-insulating layer 8.
In this embodiment, the waterproof material of the outer waterproof layer 3 is a 4mm thick hot-melt type polyester tire II type SBS modified asphalt waterproof roll, the wall heat-insulating layer 8 is a 60mm thick B1 level extruded polystyrene board heat-insulating layer, and the backfill layer 9 is in the range of 800 (2): 8, backfilling and tamping the lime soil layer by layer.
In this embodiment, the waterproof membrane layer 11 is connected to the vertical outer waterproof layer 3 of the structure outer wall layer 42, and the waterproof membrane layer 11 is fixedly connected to the outer waterproof layer 3. The waterproof membrane layer 11 is at least 3mm thick, and the waterproof membrane layer 11 is the PE membrane, and the waterproof membrane layer 11 is connected with the outer waterproof layer 3 in a sticking way. One side of the wall heat-insulating layer 8 connected with the waterproof film layer 11 is set to be a smooth surface.
In this embodiment, there is escape canal 7 fine stone concrete layer 6 to be close to in structure outer wall layer 42 one side, 7U-shaped settings in escape canal, and be provided with waterproof concrete or waterproof cement mortar layer in the escape canal 7. A bottom cushion layer 10 is also arranged between the outer waterproof layer 3 and the concrete layer 4, and a foundation cushion layer 12 is arranged between the concrete layer 4 and the inner waterproof layer 5; the bottom cushion layer 10 and the base cushion layer 12 are cement mortar layers.
In this embodiment, the base isolation and protection layer 13 includes an isolation layer and a protection layer, the isolation layer is a plastic film isolation layer, and the protection layer is a cement mortar layer. Arranging a leveling layer 14 at the positions of the structural outer wall layer 42 and the inner waterproof layer 5, wherein the height of the leveling layer 14 is not less than that of the inner waterproof layer 5 and the leveling layer is arranged in a full length within the height range; screed 14 is a 20 gauge DP mortar.
In this embodiment, the top of the leveling layer 14 is fixedly connected with the top of the inner waterproof layer 5 through a pressing member 15, the pressing member 15 is a zigzag steel member, one end of the pressing member 15 is connected with the outer side of the leveling layer 14, and the other end is connected with the structural outer wall layer 42. The top of the inner waterproof layer 5 is positioned in the pressing piece 15, a sealing connecting piece 16 is connected between the pressing piece 15 and the top of the inner waterproof layer 5, and the sealing connection is that the arc-shaped elastic piece is pressed on the top of the inner waterproof layer 5 and is connected through a screw.
During the concrete construction: because the PE membrane surface is smooth, and has water proof performance, after the waterproofing membrane construction of outer waterproof layer 3 finishes, separate waterproofing membrane and extruded polystyrene board through the plastic film, further increased waterproof performance, simultaneously under the effect of soil pressure, because the surface is smooth, reduced the submerged resistance of heated board, better protection waterproofing membrane bond joint is not destroyed. Different from the prior art, can improve water-proof effects through increasing one PE membrane, reduce waterproof leakage point, realize zero seepage basically, reduce the frictional resistance between waterproofing membrane and the heated board simultaneously, protect waterproofing membrane bonding seam, reduce waterproofing membrane restoration construction, practice thrift nearly hundreds of thousands of labour costs.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an underground building structure outer wall waterproof construction, which is characterized in that, contain ground (1), connect slope layer (2) of looking for on ground (1), connect concrete layer (4) on ground (1), connect on concrete layer (4) and look for the outer waterproof layer (3) between slope layer (2), connect in inner waterproof layer (5) above concrete layer (4), connect in base isolation protective layer (13) and fine stone concrete layer (6) above inner waterproof layer (5), connect backfill layer (9) of concrete layer (4) one side, connect in wall heat preservation (8) and outer waterproof layer (3) between concrete layer (4) and backfill layer (9) and connect in waterproof membrane layer (11) between wall heat preservation (8) and outer waterproof layer (3);
the concrete layer (4) is L-shaped and comprises a horizontal layer (41) arranged on the upper part of the ground (1) and a vertical structure outer wall layer (42); the upper part and the lower part of the horizontal layer (41) are respectively connected with an inner waterproof layer (5) and an outer waterproof layer (3), and the outer part of the structure outer wall layer (42) is connected with a backfill layer (9) and the inner part of a connecting wall heat-insulating layer (8);
and an additional waterproof layer is arranged at the internal corner of the concrete layer (4).
2. An exterior wall waterproof structure of an underground building structure according to claim 1, wherein the waterproof membrane layer (11) is connected with the vertical outer waterproof layer (3) of the structure exterior wall layer (42) through length, and the waterproof membrane layer (11) is fixedly connected with the outer waterproof layer (3).
3. An exterior wall waterproofing structure for an underground building structure according to claim 2, wherein the waterproofing membrane layer (11) is at least 3mm thick, the waterproofing membrane layer (11) is a PE membrane, and the waterproofing membrane layer (11) is adhesively bonded to the exterior waterproofing layer (3).
4. An exterior wall waterproofing structure for an underground building structure according to claim 1, wherein a drainage ditch (7) is formed at a side of the fine stone concrete layer (6) adjacent to the structure exterior wall layer (42), the drainage ditch (7) is formed in a U-shape, and a waterproof concrete or waterproof cement mortar layer is provided in the drainage ditch (7).
5. The waterproof structure for the outer wall of the underground building structure according to claim 1, wherein the wall insulation layer (8) is an extruded polystyrene board having a thickness of not less than 50 mm; and one side of the wall heat-insulating layer (8) connected with the waterproof membrane layer (11) is set to be a smooth surface.
6. An exterior wall waterproof structure of an underground building structure according to claim 1, wherein a foundation mat layer (10) is further provided between the outer waterproof layer (3) and the concrete layer (4), and a foundation mat layer (12) is provided between the concrete layer (4) and the inner waterproof layer (5); the bottom cushion layer (10) and the base cushion layer (12) are cement mortar layers.
7. The waterproof structure for the outer wall of the underground building structure as claimed in claim 1, wherein the base insulating protective layer (13) comprises an insulating layer and a protective layer, the insulating layer is a plastic film insulating layer, and the protective layer is a cement mortar layer.
8. An exterior wall waterproof structure of an underground building structure according to claim 1, wherein a leveling layer (14) is provided at the structure exterior wall layer (42) and the inner waterproof layer (5), and the leveling layer (14) has a height not less than the height of the inner waterproof layer (5) and is provided throughout the height range.
9. The waterproof structure for the outer wall of the underground building structure as claimed in claim 8, wherein the top of the leveling layer (14) is fixedly connected with the top of the inner waterproof layer (5) through a pressing member (15), the pressing member (15) is zigzag-shaped, one end of the pressing member (15) is connected with the outer side of the leveling layer (14), and the other end is connected with the outer wall layer (42) of the structure.
10. An exterior wall waterproof structure of an underground building structure as claimed in claim 9, wherein the top of the inner waterproof layer (5) is located inside the pressing member (15), and a sealing connection member (16) is further connected between the pressing member (15) and the top of the inner waterproof layer (5), wherein the sealing connection is formed by pressing an arc-shaped member against the top of the inner waterproof layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122768738.0U CN216405508U (en) | 2021-11-12 | 2021-11-12 | Waterproof structure of outer wall of underground building structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122768738.0U CN216405508U (en) | 2021-11-12 | 2021-11-12 | Waterproof structure of outer wall of underground building structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216405508U true CN216405508U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122768738.0U Expired - Fee Related CN216405508U (en) | 2021-11-12 | 2021-11-12 | Waterproof structure of outer wall of underground building structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216405508U (en) |
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2021
- 2021-11-12 CN CN202122768738.0U patent/CN216405508U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |