CN213417892U - Underground utility tunnel waterproof construction - Google Patents
Underground utility tunnel waterproof construction Download PDFInfo
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- CN213417892U CN213417892U CN202022215583.3U CN202022215583U CN213417892U CN 213417892 U CN213417892 U CN 213417892U CN 202022215583 U CN202022215583 U CN 202022215583U CN 213417892 U CN213417892 U CN 213417892U
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Abstract
The utility model discloses a waterproof structure of an underground comprehensive pipe gallery, which comprises a water collecting well, a water guide pipe and an underground comprehensive pipe gallery, wherein the underground comprehensive pipe gallery comprises a pipe gallery section and an inlet well section, an asphalt waterproof layer is laid on the upper side of a lower concrete protective layer at the top of the pipe gallery section, and a mortar isolation layer covers the top of the asphalt waterproof layer; the entry well section outside is provided with concrete protection layer and last waterproof protection board, goes up and is provided with two-sided self-adhesion waterproofing membrane in the concrete protection layer, and the hydrophobic layer covers at piping lane section top, and its both ends are connected with last waterproof protection board and lower concrete protection layer respectively. The utility model discloses different positions to utility tunnel top, bottom, lateral part and entry well section carry out different modes waterproof, and utility tunnel side sets up the sump pit, and the sump pit is catchmented and is introduced utility tunnel internal drainage pipe through the aqueduct and drain away, avoids precipitation to disturb utility tunnel in the stratum, carries out tight waterproof to aqueduct and utility tunnel complex detailed node structure.
Description
Technical Field
The utility model belongs to the technical field of the utility model discloses utility tunnel is waterproof, concretely relates to underground utility tunnel waterproof construction.
Background
In order to solve the common problems of cities such as a road zipper, an aerial spider net and the like, pipelines of cities such as urban electric power, communication, water supply, reclaimed water, thermal power gas, sewage and the like are all required to be realized through a comprehensive pipe gallery. Due to the diversity of underground comprehensive pipe gallery construction methods (including open-cut cast-in-place methods, open-cut prefabricated assembly, open-cut assembly integrity, mining methods, shield methods, pipe jacking methods and the like), the complexity of the construction (the combination with rail transit tunnels, the intersection, the branch and the connecting channels are various) and the diversity of the use (the coexistence of pipelines with different functions) increase the particularity of the waterproof engineering of the comprehensive pipe gallery, the existing underground comprehensive pipe gallery mostly adopts a multi-bin structure, and some bins are communicated with an external water collecting well, so that the waterproof sealing problem of some detail node structures is involved. The waterproof sealing performance of the detail node structure is the important weight for the control of the waterproof construction of the comprehensive pipe gallery, and the waterproof significance of the detail node structure is that the adverse effect of water leakage on the use function and the design service life of the waterproof structure can be reduced or avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem lie in the not enough among the above-mentioned prior art, provide an underground utility tunnel waterproof construction, its novel in design is reasonable, to underground utility tunnel top, the bottom, the different positions of lateral part and entry well section carry out the water-proof measure of different modes, set up the sump pit at underground utility tunnel side simultaneously, catchment in the sump pit leads to underground utility tunnel internal drainage pipe through the aqueduct and walks away, avoid precipitation to underground utility tunnel's interference in the stratum, simultaneously carry out tight waterproof to aqueduct and underground utility tunnel complex detail node structure, water-proof effects is good, convenient to popularize and use.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an underground utility tunnel waterproof construction which characterized in that: the underground comprehensive pipe gallery comprises a water collecting well arranged beside an underground comprehensive pipe gallery, wherein the water collecting well is communicated with a drainage pipe in the underground comprehensive pipe gallery through a water guide pipe, the underground comprehensive pipe gallery comprises a pipe gallery section and an inlet well section, a cement mortar leveling layer and a lower concrete protective layer are sequentially arranged outside the bottom and the side wall of the pipe gallery section, a lower double-sided self-adhesive waterproof coiled material is arranged in the lower concrete protective layer, the bottom of the lower concrete protective layer is positioned on a concrete cushion layer, a lower waterproof protective plate is arranged outside the side part of the lower concrete protective layer, the water guide pipe sequentially penetrates through the water collecting well, filling, the lower waterproof protective plate, the lower concrete protective layer, the lower double-sided self-adhesive waterproof coiled material, the cement mortar leveling layer and the side wall of the pipe gallery section and extends into the underground comprehensive pipe gallery, a through hole is formed in the matching position of the side wall of the pipe section and the water guide pipe, a, a water guide pipe sealing waterproof adhesive ring is arranged on the inner side of the matching position of the lower double-sided self-adhesive waterproof coiled material and the water guide pipe;
an asphalt waterproof layer is laid on the upper side of the lower concrete protective layer at the top of the pipe gallery section, SBS waterproof coiled materials are arranged in the asphalt waterproof layer, and mortar isolation layers cover the top of the asphalt waterproof layer and the top of the lower waterproof protective plate;
entry well section outside from interior to exterior has set gradually last concrete protection layer and has gone up waterproof protection board, goes up and is provided with two-sided self-adhesion waterproofing membrane in the concrete protection layer, and the hydrophobic layer covers piping lane section top, the one end of hydrophobic layer extend to supreme waterproof protection board, and the other end of hydrophobic layer extends to the concrete protection layer outside down.
Foretell utility tunnel waterproof construction, its characterized in that: and a water collecting well filter screen is arranged at the top of the water collecting well.
Foretell utility tunnel waterproof construction, its characterized in that: be provided with the greenbelt on the fill soil at utility tunnel top.
Foretell utility tunnel waterproof construction, its characterized in that: meet the outer and one side that is located the stagnant water steel ring and is close to the piping lane inner chamber of water inflation sealing layer and be provided with first meeting water inflation check lock circle, meet the outer and one side that is located the stagnant water steel ring and keep away from the piping lane inner chamber of water inflation sealing layer and be provided with the second and meet water inflation check lock circle, lower two-sided self-adhesion waterproofing membrane is provided with the third and meets water inflation check lock circle with aqueduct cooperation position department tip.
Foretell utility tunnel waterproof construction, its characterized in that: and a lower sealing waterproof adhesive layer is arranged outside the corner matching position of the lower double-sided self-adhesive waterproof coiled material and the bottom of the pipe rack section, and an upper sealing waterproof adhesive layer is arranged outside the corner matching position of the lower double-sided self-adhesive waterproof coiled material and the top of the pipe rack section.
Compared with the prior art, the utility model has the following advantage:
1. the utility model provides a waterproof foundation for the construction of utility tunnel through concrete cushion in advance, avoid the bottom infiltration to the interference that utility tunnel caused, set gradually cement mortar screed-coat outside utility tunnel's pipe gallery section, lower concrete protective layer and lower waterproof protection shield, carry out the three-layer protection to utility tunnel's pipe gallery section, set up down two-sided self-adhesion waterproofing membrane simultaneously in the inside of concrete protective layer down, water-proof effects is good, set up pitch waterproof layer, mortar isolation layer and hydrophobic layer at utility tunnel's pipe gallery section top, avoid ponding to gather at utility tunnel's pipe gallery section top, in addition, set up concrete protective layer at utility tunnel's entry well section, go up two-sided self-adhesion waterproofing membrane and last waterproof protection shield, waterproof protection shield is wrapped up to the hydrophobic layer, and cover waterproof down, it reaches waterproof purpose to provide hydrophobic, carry out the water-proof measure of different modes to the different positions of utility tunnel top, bottom, lateral part and entry well section, convenient to popularize and use.
2. The utility model discloses an at the sump pit of utility tunnel side, the sump pit pass through the aqueduct with utility tunnel internal drainage pipe intercommunication, the sump pit catchments and introduces utility tunnel internal drainage pipe through the aqueduct and discharges away, avoids precipitation to utility tunnel's interference in the stratum, carries out tight waterproof to aqueduct and utility tunnel complex detail node structure simultaneously, and water-proof effects is good.
To sum up, the utility model relates to a novel reasonable carries out the water-proof measure of different modes to the different positions of utility tunnel top, bottom, lateral part and entry well section, sets up the sump pit simultaneously at utility tunnel side, and the sump pit is catchmented and is introduced utility tunnel internal drainage pipe through the aqueduct and walk, avoids precipitation to utility tunnel's interference in the stratum, and it is tight to aqueduct and utility tunnel complex detail node structure simultaneously, and water-proof effects is good, convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is an enlarged view of fig. 1 at B.
Fig. 4 is an enlarged view of fig. 1 at C.
Description of reference numerals:
1-underground comprehensive pipe gallery; 2, a water collecting well; 3, a filter screen of the water collecting well;
4-a water guide pipe; 5, greening belt; 6-cement mortar leveling layer;
7, lower concrete protective layer; 8-self-adhesive waterproof roll material on the lower double sides;
9-lower sealing waterproof adhesive layer; 10-lower waterproof protective plate;
11-filling soil; 12-concrete bedding;
13-a water-swellable sealing layer; 15-water stop steel ring;
16-a first water-swellable locking ring; 17-a second water-swellable locking ring;
18-a third water-swellable locking ring; 19-sealing waterproof adhesive ring of water guide pipe;
20-sealing a waterproof adhesive layer; 21-asphalt waterproof layer;
22-SBS waterproof roll; 23-mortar isolation layer;
24-a hydrophobic layer; 25, a concrete protective layer is arranged;
26-coating a double-sided self-adhesive waterproof roll; and 27, installing a waterproof protection plate.
Detailed Description
As shown in fig. 1 to 4, the utility model comprises a water collecting well 2 arranged at the side of an underground comprehensive pipe rack 1, wherein the water collecting well 2 is communicated with a drain pipe in the underground comprehensive pipe rack 1 through a water guide pipe 4, the underground comprehensive pipe rack 1 comprises a pipe rack section and an inlet well section, a cement mortar leveling layer 6 and a lower concrete protective layer 7 are sequentially arranged outside the bottom and the side wall of the pipe rack section, a lower double-sided self-adhesive waterproof coiled material 8 is arranged in the lower concrete protective layer 7, the bottom of the lower concrete protective layer 7 is positioned on a concrete cushion layer 12, a lower waterproof protective plate 10 is arranged outside the side part of the lower concrete protective layer 7, the water guide pipe 4 sequentially passes through the water collecting well 2, a filling soil 11, the lower waterproof protective plate 10, the lower concrete protective layer 7, the lower double-sided self-adhesive waterproof coiled material 8, the cement mortar leveling layer 6 and the side wall of the pipe rack section to extend into the underground comprehensive pipe rack 1, a through hole, a water-swellable sealing layer 13 is arranged between the water guide pipe 4 and the hole wall, the water-swellable sealing layer 13 is connected with the hole wall through a water-stopping steel ring 15, and a water guide pipe sealing waterproof adhesive ring 19 is arranged on the inner side of the matching position of the lower double-sided self-adhesive waterproof roll 8 and the water guide pipe 4;
an asphalt waterproof layer 21 is laid on the upper side of the lower concrete protective layer 7 at the top of the pipe gallery section, an SBS waterproof coiled material 22 is arranged in the asphalt waterproof layer 21, and mortar isolation layers 23 cover the top of the asphalt waterproof layer 21 and the top of the lower waterproof protective plate 10;
entry well section outside from interior to exterior has set gradually last concrete protection layer 25 and has gone up waterproof protection board 27, goes up and is provided with two-sided self-adhesion waterproofing membrane 26 in the concrete protection layer 25, and hydrophobic layer 24 covers pipe rack section top, the one end of hydrophobic layer 24 extends to supreme waterproof protection board 27, and the other end of hydrophobic layer 24 extends to the concrete protection layer 7 outside down.
It should be noted that, a waterproof foundation is provided for the construction of the underground comprehensive pipe gallery 1 through the concrete cushion 12 in advance, the interference of the bottom seepage water to the underground comprehensive pipe gallery 1 is avoided, the cement mortar leveling layer 6, the lower concrete protective layer 7 and the lower waterproof protection plate 10 are sequentially arranged outside the pipe gallery section of the underground comprehensive pipe gallery 1, the pipe gallery section of the underground comprehensive pipe gallery 1 is protected by three layers, meanwhile, the lower double-sided self-adhesive waterproof coiled material 8 is arranged inside the lower concrete protective layer 7, the waterproof effect is good, the asphalt waterproof layer 21, the mortar isolation layer 23 and the hydrophobic layer 24 are arranged at the top of the pipe gallery section of the underground comprehensive pipe gallery 1, the accumulated water is prevented from accumulating at the top of the pipe gallery section of the underground comprehensive pipe gallery 1, in addition, the concrete protective layer 25, the upper double-sided self-adhesive waterproof coiled material 26 and the upper waterproof protection plate 27 are arranged at the inlet well section of the underground comprehensive pipe gallery 1, the lower waterproof protection plate 10 is covered, the purpose of dewatering and achieving water prevention is achieved, and waterproof measures in different modes are carried out on the top, the bottom, the side and different positions of the underground comprehensive pipe gallery; through the sump pit 2 at 1 side of utility tunnel, the sump pit 2 through aqueduct 4 with drain pipe intercommunication in the utility tunnel 1, the sump pit catchments and introduces the interior drain pipe of utility tunnel through the aqueduct and discharges away, avoids precipitation to utility tunnel's interference in the stratum, carries out tight waterproof to aqueduct and utility tunnel complex detail node structure simultaneously, and water-proof effects is good.
In this embodiment, a filter screen 3 of the water collecting well is arranged at the top of the water collecting well 2.
In actual use, the filter screen 3 of the water collecting well filters impurities, and the precipitate of the water collecting well 2 is prevented from being increased sharply.
In this embodiment, a green belt 5 is arranged on the soil filling at the top of the underground comprehensive pipe gallery 1.
In this embodiment, one side that water-swelling sealing layer 13 is outer and be located stagnant water steel ring 15 and be close to the piping lane inner chamber is provided with first water-swelling check ring 16, one side that water-swelling sealing layer 13 is outer and be located stagnant water steel ring 15 and keep away from the piping lane inner chamber is provided with second water-swelling check ring 17, and lower two-sided self-adhesion waterproofing membrane 8 is provided with third water-swelling check ring 18 with 4 cooperation position department tip of aqueduct.
In this embodiment, lower two-sided self-adhesion waterproofing membrane 8 is provided with down seals waterproof adhesive layer 9 with the outside of pipe gallery section bottom turning cooperation position department, lower two-sided self-adhesion waterproofing membrane 8 is provided with sealing waterproof adhesive layer 20 with the outside of pipe gallery section top turning cooperation position department.
The utility model discloses during the use, carry out the water-proof measure of different modes to the different positions of utility tunnel top, bottom, lateral part and entry well section, prevent strictly that the moisture of 1 week side of utility tunnel gets into utility tunnel 1 inner chamber, do not carry out water repellent to the sump pit, can carry out hydrophilic treatment, collect groundwater through setting up sump pit 2 at 1 side of utility tunnel, sump pit 2 collects groundwater and drains away through the drain pipe in the utility tunnel 1, long service life.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (5)
1. The utility model provides an underground utility tunnel waterproof construction which characterized in that: the underground pipe gallery comprises a water collecting well (2) arranged beside an underground pipe gallery (1), wherein the water collecting well (2) is communicated with a drainage pipe in the underground pipe gallery (1) through a water guide pipe (4), the underground pipe gallery (1) comprises a pipe gallery section and an inlet well section, a cement mortar leveling layer (6) and a lower concrete protective layer (7) are sequentially arranged outside the bottom and the side wall of the pipe gallery section, a lower double-sided self-adhesive waterproof coiled material (8) is arranged in the lower concrete protective layer (7), the bottom of the lower concrete protective layer (7) is positioned on a concrete cushion layer (12), a lower waterproof protective plate (10) is arranged outside the side part of the lower concrete protective layer (7), the water guide pipe (4) sequentially penetrates through the water collecting well (2), a filling soil (11), the lower waterproof protective layer (10), the lower concrete protective layer (7), the lower double-sided self-adhesive waterproof coiled material (8), the cement mortar leveling layer (6) and the side wall of the pipe gallery section to stretch into the underground pipe gallery, a through hole is formed in the matching position of the side wall of the pipe gallery section and the aqueduct (4), a water-swelling sealing layer (13) is arranged between the aqueduct (4) and the hole wall, the water-swelling sealing layer (13) is connected with the hole wall through a water-stopping steel ring (15), and a aqueduct sealing waterproof adhesive ring (19) is arranged on the inner side of the matching position of the lower double-sided self-adhesive waterproof coiled material (8) and the aqueduct (4);
an asphalt waterproof layer (21) is laid on the upper side of the lower concrete protective layer (7) at the top of the pipe gallery section, SBS waterproof rolls (22) are arranged in the asphalt waterproof layer (21), and mortar isolation layers (23) cover the top of the asphalt waterproof layer (21) and the top of the lower waterproof protective plate (10);
entry well section outside from interior to exterior has set gradually last concrete protection layer (25) and has gone up waterproof protection board (27), goes up and is provided with two-sided self-adhesion waterproofing membrane (26) in concrete protection layer (25), and hydrophobic layer (24) cover pipe rack section top, the one end of hydrophobic layer (24) extend to supreme waterproof protection board (27), and the other end of hydrophobic layer (24) extends to concrete protection layer (7) outside down.
2. An underground utility tunnel waterproof construction according to claim 1, its characterized in that: and a water collecting well filter screen (3) is arranged at the top of the water collecting well (2).
3. An underground utility tunnel waterproof construction according to claim 1, its characterized in that: and a green belt (5) is arranged on the filling soil at the top of the underground comprehensive pipe gallery (1).
4. An underground utility tunnel waterproof construction according to claim 1, its characterized in that: meet water inflation sealing layer (13) outer and be located one side that stagnant water steel ring (15) are close to the piping lane inner chamber and be provided with first meeting water inflation check lock circle (16), meet water inflation sealing layer (13) outer and be located one side that stagnant water steel ring (15) kept away from the piping lane inner chamber and be provided with second meeting water inflation check lock circle (17), lower two-sided self-adhesion waterproofing membrane (8) and aqueduct (4) cooperation position department tip are provided with third meeting water inflation check lock circle (18).
5. An underground utility tunnel waterproof construction according to claim 1, its characterized in that: lower double-sided self-adhesion waterproofing membrane (8) and pipe rack section bottom turning cooperation position department outside are provided with down and seal waterproof adhesive layer (9), lower double-sided self-adhesion waterproofing membrane (8) and pipe rack section top turning cooperation position department outside are provided with and seal waterproof adhesive layer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215583.3U CN213417892U (en) | 2020-09-30 | 2020-09-30 | Underground utility tunnel waterproof construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215583.3U CN213417892U (en) | 2020-09-30 | 2020-09-30 | Underground utility tunnel waterproof construction |
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| CN213417892U true CN213417892U (en) | 2021-06-11 |
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| CN202022215583.3U Active CN213417892U (en) | 2020-09-30 | 2020-09-30 | Underground utility tunnel waterproof construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756452A (en) * | 2021-09-13 | 2021-12-07 | 中电建路桥集团有限公司 | Corner waterproof construction of basement outer wall and roof |
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2020
- 2020-09-30 CN CN202022215583.3U patent/CN213417892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756452A (en) * | 2021-09-13 | 2021-12-07 | 中电建路桥集团有限公司 | Corner waterproof construction of basement outer wall and roof |
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