CN218757629U - Waterproof structure of plugging into of new and old basement structure under narrow and small space - Google Patents
Waterproof structure of plugging into of new and old basement structure under narrow and small space Download PDFInfo
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- CN218757629U CN218757629U CN202222652684.6U CN202222652684U CN218757629U CN 218757629 U CN218757629 U CN 218757629U CN 202222652684 U CN202222652684 U CN 202222652684U CN 218757629 U CN218757629 U CN 218757629U
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Abstract
The application discloses waterproof structure of plugging into of new and old basement structure under narrow and small space, including the passageway of plugging into, the passageway of plugging into comprises a plurality of concrete lateral walls, be provided with between concrete lateral wall and the basic unit and be used for reducing the intraformational water follow of basic unit the waterproof component of concrete lateral wall infiltration, the new and old concrete seam department at the both ends of concrete lateral wall all sets up flutedly, the recess internal fixation is provided with first waterstop, be provided with the subsiding crack on the concrete lateral wall, the subsiding crack is followed the width direction of concrete lateral wall is seted up, the concrete lateral wall is provided with the waterstop towards one side of basic unit, the central point of waterstop put with the subsiding crack coincidence. The waterproof structure has the advantages that the waterproofness of a connection channel between a newly-built building and an already-built building is effectively enhanced, and accordingly the normal use and structural strength of an underground structure are effectively guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the waterproof technique of building and specifically relates to a new and old basement structure waterproof structure of plugging into under narrow and small space.
Background
Along with the acceleration of the urbanization process, the development of urban buildings is gradually changed, the urban buildings are more and more complicated and systematized, the planning utilization rate of urban land is also increased, and the situation that a newly built building is communicated with an already built building is caused more and more in the actual construction process.
In the related art, an old and existing subway station rarely reserves enough working space to be connected with a newly-built underground commercial body before the communication construction of the newly-built building and an already-built building, for example, the communication of a new and old underground structure, and a constructor needs to construct the newly-built building first and then arrange a connection channel in a base layer between the newly-built building and the already-built building so as to communicate the newly-built building and the already-built building. When the connection channel is constructed, a constructor firstly positions the position of the connection channel preset on the base layer, and dredges the connection channel to form a cavity to be constructed, and then concretes the inner wall of the dredged cavity to form a concrete side wall, so that the connection channel is formed.
However, when the connection channel is built, cracks are easily generated at joints between the connection channel and a newly-built building or between the connection channel and new and old concrete of the built building due to uneven settlement of concrete, so that the problems of water seepage, water leakage and the like occur in the jointed structure, and the normal use and the structural durability of the underground structure are affected.
SUMMERY OF THE UTILITY MODEL
In order to improve the production that relevant new and old concrete joint department leads to the crack because the inhomogeneous settlement of concrete for the structure after the butt joint appears the drawback of infiltration, the scheduling problem that leaks, this application provides the new and old basement structure waterproof structure of plugging into under the narrow and small space.
The application provides a new and old basement structure waterproof connection structure takes following technical scheme under narrow and small space:
the utility model provides a waterproof structure of plugging into of new and old basement structure under narrow and small space, includes the passageway of plugging into, the passageway of plugging into comprises a plurality of concrete lateral walls, be provided with between concrete lateral wall and the basic unit and be used for reducing the intraformational water of basic unit and follow the waterproof component of concrete lateral wall infiltration, the new and old concrete joint department at the both ends of concrete lateral wall all sets up flutedly, the recess internal fixation is provided with first waterstop, be provided with the subsiding crack on the concrete lateral wall, the subsiding crack is followed the width direction of concrete lateral wall is seted up, the concrete lateral wall is provided with the waterstop towards one side of basic unit, the central point of waterstop put with the subsiding crack coincidence.
By adopting the technical scheme, when the communication between a newly-built building and an already-built building is carried out, water in the base layer is prevented from primarily permeating into the connection channel from the concrete side wall through the waterproof component. Before the inner wall of the cavity is poured by concrete, a first water stop strip is installed at a groove at the joint of new and old concrete, so that the condition that water in a base layer permeates into a connecting channel from the joint of the new and old concrete is reduced; and the water stop belt is arranged on one side of the concrete side wall facing the base layer, so that the waterproofness of a connection channel between a newly-built building and an already-built building is effectively enhanced, and the normal use and the structural strength of an underground structure are effectively guaranteed.
Preferably, waterproof component includes the protection wall and sets up in the waterproofing membrane that the protection wall deviates from one side of basic unit, waterproofing membrane deviates from one side butt in of protection wall in the concrete lateral wall.
By adopting the technical scheme, the first-layer waterproof function is achieved for the connection channel, so that water in the base layer is effectively reduced from extending into the connection channel from the concrete side wall.
Preferably, the concrete side wall is provided with a plurality of grouting holes, and the grouting holes are arranged at one end of the concrete side wall close to a newly built building or an already built building.
Through adopting above-mentioned technical scheme, the setting in slip casting hole for when the concrete grout shrink of initial pouring produced the gap, to the downthehole concrete that pours into of slip casting, thereby fill the gap, strengthened the structural strength who plugs into the passageway effectively.
Preferably, a water stop plate is arranged in the concrete side wall, the water stop plate is vertically arranged at the joint of new concrete and old concrete at two ends of the concrete side wall, and the opening side of the water stop plate faces the waterproof coiled material.
Through adopting above-mentioned technical scheme for when water permeates from new and old concrete seam, the condition that water permeates to the passageway of plugging into from new and old concrete seam is further reduced to the setting of stagnant water board.
Preferably, the water stop plate comprises a connecting portion and bending portions arranged on two sides of the connecting portion, and the connecting portion is vertically arranged on the concrete side wall.
By adopting the technical scheme, when water permeates from the joints of the new and old concrete, the connecting parts and the bending parts are matched with each other, so that the condition that the water permeates from the joints of the new and old concrete is effectively reduced.
Preferably, the bending part is inclined from one end close to the connecting part to one end far away from the connecting part.
Through adopting above-mentioned technical scheme, the kink is the slope setting for when water permeates from new and old concrete joint, can remove to connecting portion along the inclined plane of kink, thereby reduced the condition that water permeate plugged into the passageway.
Preferably, a plurality of strip-shaped grooves are formed in the two sides of the bending part, and second water stop strips are arranged in the strip-shaped grooves.
Through adopting above-mentioned technical scheme, when water seeped into from new and old concrete joint, the second sealing rod can produce the inflation deformation after meeting water to produce huge contact pressure, with the condition in the water infiltration passageway of plugging into from new and old concrete joint in the reduction base layer, thereby improve the waterproof ability of the passageway of plugging into.
Preferably, both sides of the connecting channel are provided with a plurality of support piles.
Through adopting above-mentioned technical scheme for the structural strength of basic unit obtains promoting, reduces the excavation cavity and refutes the influence that the passageway caused to the basic unit in order to build, thereby strengthens the structural strength of the passageway of refuting.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the waterproof assembly is arranged between the concrete side wall and the base layer, the first water stop strip is arranged at the joint of the new concrete and the old concrete, and the water stop strip is arranged in the settlement joint, so that the waterproofness of a connection channel between a newly-built building and an already-built building is effectively enhanced;
2. the water stop plates are arranged in the side walls of the concrete and are vertically arranged at the joints of the new and old concrete, so that the condition that water permeates into the connecting channel from the joints of the new and old concrete is further reduced.
Drawings
Fig. 1 is a schematic diagram of a connection channel, a newly-built building and a matching relationship of the already-built building according to the embodiment of the present application.
Fig. 2 is a partial cross-sectional view of an embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals:
1. a connecting channel; 11. a concrete sidewall; 12. settling seams; 2. supporting piles; 3. a protection wall; 4. waterproof coiled materials; 5. a groove; 6. a first water stop; 7. grouting holes; 8. a water stop plate; 81. a connecting portion; 82. a bending section; 821. a strip-shaped groove; 9. a water stop band; 10. a base layer; 13. building a new building; 14. building is built; 15. and a second water stop strip.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1, the waterproof connection structure for the new and old basement structures in the narrow space disclosed by the application comprises a connection channel 1 communicated with a new building 13 and an existing building 14, wherein in the embodiment, the connection channel 1 is formed by four concrete side walls 11 formed by pouring concrete, so that the connection channel 1 with a rectangular cross section is formed, and in other embodiments, the cross section of the connection channel 1 can be in other shapes; the middle part of the connecting channel 1 is reserved with a settlement joint 12, the settlement joint 12 is arranged along the width direction of the concrete side wall 11, and the settlement joint 12 is a vertical joint arranged for preventing each part of the connecting channel 1 from being damaged due to uneven settlement of the foundation, so that the connecting channels 1 on the two sides of the settlement joint 12 can be freely settled.
Referring to fig. 1, a plurality of fender piles 2 are all installed to the both sides of passageway 1 of plugging into, and a plurality of fender piles 2 set up along the length direction of passageway 1 of plugging into equidistant, and fender pile 2 is located basic unit 10 for the structural strength of basic unit 10 obtains promoting, in order to reduce the excavation cavity and to build the influence that passageway 1 of plugging into caused basic unit 10, thereby the structural strength of passageway 1 of plugging into of reinforcing.
Referring to fig. 1 and 2, a waterproof assembly is disposed between the concrete sidewall 11 and the base layer 10, and the waterproof assembly is used for performing a first layer of waterproof function to reduce water in the base layer 10 from permeating into the connecting channel 1 from the concrete sidewall 11. Specifically, waterproof assembly is including installing in the protection wall 3 of one side of basic unit 10 and installing in the waterproofing membrane 4 of one side that protection wall 3 deviates from basic unit 10, and the inner wall of the cavity that has been opened is fully paved to protection wall 3, and the setting of protection wall 3 plays the effect of preventing outward to reduce in the water infiltration of basic unit 10 connects into passageway 1. Waterproofing membrane 4 is fixed in the one side that protection wall 3 deviates from basic unit 10 through the bonding, and waterproofing membrane 4 deviates from one side butt in concrete lateral wall 11 of protection wall 3 to further reduce the water infiltration condition of plugging into passageway 1 in the basic unit 10.
Referring to fig. 2 and 3, the new and old concrete joints at the two ends of the connecting channel 1 are provided with grooves 5, the grooves 5 are provided on one side of the concrete side wall 11 facing the waterproof roll 4, and the grooves 5 are provided along the thickness direction of the connecting channel 1. Install first sealing rod 6 in the recess 5, after water from new and old concrete joint infiltration, first sealing rod 6 can produce the inflation deformation after meeting water to produce huge contact pressure, with the condition in reducing the water in the basic unit 10 from new and old concrete joint infiltration access passageway 1, thereby improve the waterproof ability of access passageway 1. Referring to fig. 1, a plurality of grouting holes 7 for performing secondary grouting are further formed in the concrete side wall 11, the grouting holes 7 are formed in one end, close to a newly-built building 13 or an already-built building 14, of the concrete side wall 11, and the plurality of grouting holes 7 are arranged at equal intervals in the circumferential direction of the connecting channel 1. The grouting holes 7 are formed in the thickness direction of the concrete side wall 11, grouting ports of the grouting holes 7 are formed in one side, away from the waterproof roll 4, of the concrete side wall 11, and gaps, generated by shrinkage of initially poured concrete slurry, of joints of new and old concrete at two ends of the docking channel 1 are filled through injecting the concrete into the grouting holes 7.
Referring to fig. 2 and 3, a water stop plate 8 is further fixedly installed between the concrete side wall 11 and the new building 13 or between the concrete side wall 11 and the built-up building 14, the water stop plate 8 is vertically arranged at the joint of the two ends of the concrete side wall 11 and the new and old concrete of the new building 13 or the built-up building 14, the water stop plate 8 extends along the width direction of the concrete side wall 11, the water stop plate 8 is approximately in a U-shape, and the opening side of the water stop plate 8 faces the waterproof roll 4. Specifically, the water stop plate 8 includes a connecting portion 81 and bending portions 82 fixedly mounted at two ends of the connecting portion 81, one end of the connecting portion 81 vertically extends into the concrete sidewall 11 and is fixedly disposed in the concrete sidewall 11, and one end of the connecting portion 81 away from the concrete sidewall 11 vertically extends into the new building 13 or the existing building 14 and is fixedly connected to the new building 13 or the existing building 14. The bending portion 82 is obliquely arranged from one end close to the connecting portion 81 to one end far away from the connecting portion 81, a plurality of strip-shaped grooves 821 are formed in two side walls of the bending portion 82, the strip-shaped grooves 821 are formed in the length direction of the bending portion 82, and the plurality of strip-shaped grooves 821 are arranged at equal intervals in the width direction of the bending portion 82. The bar groove 821 internal fixation is provided with the second sealing rod 15, and after water permeates from the joint of the new and old concrete, the sealing plate 8 is mutually matched with the second sealing rod 15, so that the condition that water permeates into the connecting channel 1 from the joint of the new and old concrete is further reduced.
Referring to fig. 2 and 3, a water stop 9 is fixedly installed between the concrete side wall 11 and the waterproof roll 4, the water stop 9 extends along the width direction of the concrete side wall 11, the water stop 9 is a buried water stop 9, the center position of the water stop 9 coincides with the settlement joint 12, and two long sides of the water stop 9 are respectively fixed between the concrete side wall 11 and the waterproof roll 4. Before pouring to the middle position of the concrete side wall 11, a water stop 9 is fixedly installed at the position of the reserved settlement joint 12, then concrete is poured on the concrete side wall 11 of the rest part, and after the concrete side walls 11 on two sides of the settlement joint 12 settle freely and stably, concrete is poured on the settlement joint 12.
The implementation principle of the embodiment of the application is as follows: when the new building 13 is communicated with the built building 14, the protection wall 3 and the waterproof coiled material 4 are arranged on the inner wall of the opened chamber, so that water in the base layer 10 is prevented from permeating into the connecting channel 1 from the concrete side wall 11. Before the inner wall of the cavity is poured by concrete, a first water stop strip 6 is installed at a groove 5 at the joint of new and old concrete, so that the condition that water in a base layer 10 permeates into a connecting channel 1 from the joint of the new and old concrete is reduced; and the water stop plate 8 is fixedly installed in the concrete side wall 11, so that the condition that water permeates into the connecting channel 1 from the joint of new and old concrete is further reduced, the waterproofness of the connecting channel 1 between the newly-built building 13 and the built building 14 is effectively enhanced, and the normal use and the structural strength of an underground structure are effectively guaranteed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a new and old basement structure waterproof structure of plugging into under narrow and small space, includes passageway (1) of plugging into, passageway (1) of plugging into comprises a plurality of concrete lateral walls (11), its characterized in that: be provided with between concrete lateral wall (11) and basic unit (10) and be used for reducing the water in basic unit (10) from the waterproof component of concrete lateral wall (11) infiltration, new and old concrete joint department at both ends of concrete lateral wall (11) all sets up recess (5), recess (5) internal fixation is provided with first sealing rod (6), be provided with subsiding crack (12) on concrete lateral wall (11), subsiding crack (12) are followed the width direction of concrete lateral wall (11) is seted up, one side of concrete lateral wall (11) towards basic unit (10) is provided with sealing strip (9), the central point of sealing strip (9) put with subsiding crack (12) coincidence.
2. The waterproof connection structure for the new basement structure in the narrow space according to claim 1, wherein: waterproof assembly includes protection wall (3) and sets up in waterproofing membrane (4) of one side that protection wall (3) deviate from basic unit (10), waterproofing membrane (4) deviate from one side butt in of protection wall (3) in concrete lateral wall (11).
3. The waterproof connection structure of the new basement structure and the old basement structure in the narrow space according to claim 1, wherein: the concrete side wall (11) is provided with a plurality of grouting holes (7), and the grouting holes (7) are arranged at one end of the concrete side wall (11) close to a newly-built building (13) or an already-built building (14).
4. The waterproof connection structure for the new basement structure in the narrow space according to claim 2, wherein: be provided with stagnant water board (8) in concrete lateral wall (11), stagnant water board (8) set up perpendicularly in the new and old concrete joint department at the both ends of concrete lateral wall (11), the opening side orientation of stagnant water board (8) waterproofing membrane (4).
5. The waterproof connection structure for the new basement structure in the narrow space according to claim 4, wherein: the water stop plate (8) comprises a connecting portion (81) and bending portions (82) arranged on two sides of the connecting portion (81), and the connecting portion (81) is vertically arranged on the concrete side wall (11).
6. The waterproof structure of plugging into of new and old basement structure under narrow and small space of claim 5, characterized in that: the bending part (82) is obliquely arranged from one end close to the connecting part (81) to one end far away from the connecting part (81).
7. The waterproof connection structure for the new basement structure in the narrow space according to claim 5, wherein: a plurality of strip-shaped groove (821) has all been seted up to the both sides of kink (82), be provided with second sealing rod (15) in strip-shaped groove (821).
8. The waterproof connection structure for the new basement structure in the narrow space according to claim 1, wherein: and a plurality of supporting piles (2) are arranged on both sides of the connecting channel (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222652684.6U CN218757629U (en) | 2022-10-08 | 2022-10-08 | Waterproof structure of plugging into of new and old basement structure under narrow and small space |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222652684.6U CN218757629U (en) | 2022-10-08 | 2022-10-08 | Waterproof structure of plugging into of new and old basement structure under narrow and small space |
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| CN218757629U true CN218757629U (en) | 2023-03-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752623A (en) * | 2023-08-09 | 2023-09-15 | 乐昌市市政建设工程有限公司 | Construction method for connecting old and new sewage wells without stopping water |
| CN118065494A (en) * | 2024-04-17 | 2024-05-24 | 中国建筑第五工程局有限公司 | Basement outer wall connection seepage prevention structure |
-
2022
- 2022-10-08 CN CN202222652684.6U patent/CN218757629U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752623A (en) * | 2023-08-09 | 2023-09-15 | 乐昌市市政建设工程有限公司 | Construction method for connecting old and new sewage wells without stopping water |
| CN116752623B (en) * | 2023-08-09 | 2024-03-12 | 乐昌市市政建设工程有限公司 | Construction method for connecting old and new sewage wells without stopping water |
| CN118065494A (en) * | 2024-04-17 | 2024-05-24 | 中国建筑第五工程局有限公司 | Basement outer wall connection seepage prevention structure |
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