CN213625699U - Basement outer wall waterproof construction structure for reverse construction - Google Patents
Basement outer wall waterproof construction structure for reverse construction Download PDFInfo
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- CN213625699U CN213625699U CN202022139898.4U CN202022139898U CN213625699U CN 213625699 U CN213625699 U CN 213625699U CN 202022139898 U CN202022139898 U CN 202022139898U CN 213625699 U CN213625699 U CN 213625699U
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Abstract
The utility model discloses a basement exterior wall waterproof construction structure for reverse construction, which comprises a structure top plate, a structure bottom plate, an exterior wall outer side moulding bed, an exterior wall inner side template, a bottom plate waterproof layer and an exterior wall flexible waterproof layer; bosses are arranged on the same vertical plane of the structural top plate and the structural bottom plate; the lug boss is provided with a dowel bar, a water stop bar and a grouting pipe; the outer wall inner side template and the outer wall outer side tire mold are respectively arranged on the inner side and the outer side of the boss. The utility model has the advantages that: the basement outer wall is poured after the anti-sticking outer wall flexible waterproof layer is paved in advance, so that the outer wall flexible waterproof layer is more tightly combined with concrete of the basement outer wall, a water channeling channel is prevented from being formed between the outer wall flexible waterproof layer and a concrete structure, and the anti-permeability performance of the basement outer wall is improved; the whole construction quality is improved, and the leakage risk of the outer wall of the basement and the construction safety risk of the confined space are reduced.
Description
Technical Field
The utility model relates to a construction technical field specifically indicates a basement outer wall waterproofing structure of doing construction in reverse.
Background
With the maturity of the construction technology of the reverse method, the method is widely applied. The reverse construction method generally arranges a circle of enclosing structure (such as a crown beam, an enclosing pile and an enclosing purlin) along the outer side of the underground chamber, and the distance between the enclosing structure and the underground chamber outer wall structure is usually very small, so that how to construct the underground chamber outer wall structure and controlling the waterproof construction quality are one of important difficulties. The conventional construction method comprises the following steps: after the structural bottom plate is finished, the basement outer wall is subjected to working procedures of reinforcement binding, template and concrete pouring, and the like, so that the construction difficulty is high due to limited operation space, the construction quality cannot be guaranteed, and particularly the leakage is easy to occur at the construction joint position of the basement outer wall; the basement outer wall waterproof construction is carried out in the small space of the basement outer wall and the enclosure structure subsequently, the construction quality is difficult to guarantee due to the fact that the construction space is narrow, and due to the fact that general waterproof materials can release toxic and harmful gases, certain potential safety hazards exist in the construction in the closed space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems that the basement exterior wall construction difficulty is large and the waterproof quality is difficult to guarantee in the existing reverse construction method construction, and provides a reverse construction basement exterior wall waterproof construction structure, which comprises a structure top plate, a structure bottom plate, an exterior wall outside moulding bed, an exterior wall inside template, a bottom plate waterproof layer and an exterior wall flexible waterproof layer; the structure top plate and the structure bottom plate are provided with bosses on the same vertical plane; the boss is provided with a dowel bar, a water stop bar and a grouting pipe; an outer wall reinforcing steel bar frame is arranged between the adjacent bosses; pouring holes are formed in the structural top plate and located on two sides of the boss; the outer wall inner side template and the outer wall outer side tire membrane are respectively arranged on the inner side and the outer side of the boss; one pouring hole of the structural top plate is positioned on one side, back to the outer wall inner side formwork, of the outer wall outer side formwork; the outer wall flexible waterproof layer is laid on one side, opposite to the outer wall inner side template, of the outer wall outer side tire mold, and the bottom plate waterproof layer is arranged on the structural bottom plate and is in lap joint with the outer wall flexible waterproof layer.
Furthermore, the outer wall reinforcing steel bar frame is bound with the inserting bars.
Further, an outer wall concrete layer is arranged between the outer wall outer side tire mold and the outer wall inner side template.
Further, one side of the outer wall outer side tire membrane back to the outer wall inner side template is provided with a foundation pit fertilizer groove filling layer.
And further, the upper end and the lower end of the foundation pit fertilizer groove filling layer are provided with the outer wall flexible waterproof layer.
Furthermore, still be equipped with the rag bolt of slope on the boss, be equipped with vertical rag bolt on structure roof and the structure bottom plate.
Furthermore, one side of the outer wall inner side template, which is back to the outer wall outer side template, is connected with a template support through the foundation bolt.
Further, the height of the boss is 300-500 mm.
The utility model has the advantages that: the basement outer wall is poured after the anti-sticking outer wall flexible waterproof layer is paved in advance, so that the outer wall flexible waterproof layer is more tightly combined with concrete of the basement outer wall, a water channeling channel is prevented from being formed between the outer wall flexible waterproof layer and a concrete structure, and the anti-permeability performance of the basement outer wall is improved; and through set up dowel bar, sealing rod and slip casting pipe on the boss, not only promoted whole construction quality, it is more convenient to be under construction moreover, has reduced basement outer wall seepage risk and the safe risk of the construction of the claustrophobic space.
Drawings
Fig. 1 is the utility model discloses the structure schematic diagram of basement outer wall waterproofing structure of reverse construction.
Fig. 2 is a schematic structural diagram of fig. 1 after a foundation pit fertilizer groove filling layer is arranged.
Fig. 3 is a schematic structural view of fig. 2 after a foundation pit fertilizer groove filling layer and an outer wall concrete layer are further arranged.
Fig. 4 is a schematic structural view of the outer wall concrete layer in fig. 3 after the concrete layer is poured.
In the figure, 1, a crown beam; 2. a fender pile 3, a fender purlin 4 and a structural top plate; 4.1, pouring holes; 5. a structural floor; 6. an outer wall concrete layer; 7. a boss; 7.1, inserting ribs; 7.2, a water stop strip; 7.3, a grouting pipe; 8. a waterproof layer of the bottom plate; 9. an outer wall flexible waterproof layer; 10. an outer sidewall membrane; 11. a foundation pit fertilizer groove filling layer 12 and foundation bolts; 13. an outer wall inner side template; 14. and (4) a template support.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The reverse construction basement outer wall waterproof construction structure shown in fig. 1-4 comprises a structure top plate 4, a structure bottom plate 5, an outer wall outer side tire membrane 10, an outer wall inner side template 13, a bottom plate waterproof layer 8 and an outer wall flexible waterproof layer 9; structure roof 4 and structure bottom plate 5 all are equipped with boss 7 on same vertical plane, and the structure roof 4 and the 5 departments of structure bottom plate that the position that sets up the basement outer wall corresponds promptly are provided with boss 7. The height of the boss 7 is 300-500 mm, and the boss 7 is preferably 500 mm in the embodiment; the boss 7 is provided with a dowel bar 7.1, a water stop bar 7.2 and a grouting pipe 7.3, the length of the dowel bar 7.1 is preferably 10d, wherein d is the diameter of the dowel bar 7.1. The water stop strip 7.2 is a steel plate water stop strip with the specification of width of 300 mm and thickness of 3 mm, the overlapping length is 100 mm, and double surfaces are fully welded to prevent leakage. An outer wall reinforcing frame is arranged between the adjacent bosses 7 and is bound with the joint bars 7.1, and during construction, concrete is poured at the outer wall reinforcing frame between the outer side tire casing 10 and the outer side template 13 of the outer wall to form an outer wall concrete layer 6; pouring holes 4.1 are formed in the structural top plate 4 on two sides of the boss 7; the outer wall inner side template 13 and the outer wall outer side tire membrane 10 are respectively arranged on the inner side and the outer side of the boss 7; one pouring hole 4.1 of the structural top plate 4 is positioned on one side, back to the outer wall inner side template 13, of the outer wall outer side moulding bed 10; the outer wall flexible waterproof layer 9 is laid on one side, opposite to the outer wall inner side template 13, of the outer wall outer side tire mold 10, and the bottom plate waterproof layer 8 is arranged on the structural bottom plate 5 and is in lap joint with the outer wall flexible waterproof layer 9.
The outer wall outer side tire membrane 10 of this embodiment chooses for use prefabricated wallboard to set up the connection tongue-and-groove, in order to reach the effect of exempting from to plaster, reduce outer wall outer side tire membrane 10 maintenance time that plasters, further promote outer wall outer side tire membrane 10 efficiency of construction.
One side of the outer wall outer side tire membrane 10 back to the outer wall inner side template 13 is provided with a foundation pit fertilizer groove filling layer 11, and the upper end and the lower end of the foundation pit fertilizer groove filling layer 11 are provided with an outer wall flexible waterproof layer 9.
Inclined foundation bolts 12 are further arranged on the bosses 7, and vertical foundation bolts 12 are arranged on the structure top plate 4 and the structure bottom plate 5. The side of the outer wall inner side template 13, which is back to the outer wall outer side tire mould 10, is also connected with a template bracket 14 through anchor bolts 12.
The construction method of the embodiment is as follows:
the top beam, the fender pile and the enclosing purlin are enclosing structure components, construction is completed with the pile foundation in a synchronous mode in the early period, steel bars are reserved during construction of the top beam and are connected with the first-layer structure top plate 4, earth excavation and construction of the basement structure are conducted after construction of the enclosing structure is completed, the first-layer structure top plate 4 is connected with the top beam, and the rest of the layer of structure top plates 4 are connected with the enclosing purlin.
When the structure top plate 4 is constructed, a boss 7 (comprising a dowel bar 7.1, a water stop bar 7.2 and a grouting pipe 7.3) is reserved, wherein the height of the boss 7 and the length of the dowel bar 7.1 meet the specification requirement.
The height of the structural bottom plate 5 is excavated downwards layer by layer, when the structural bottom plate 5 is constructed, the bosses 7 are reserved upwards at the positions corresponding to the outer walls, and foundation bolts 12 are reserved on the structural bottom plate 5.
After the construction of the structure bottom plate 5 is completed, the bottom plate waterproof layer 8 is upturned to the boss 7 of the structure bottom plate 5, then the outer wall outer side tire membrane 10 is built and plastered, the outer wall flexible waterproof layer 9 is paved and attached on the outer wall outer side tire membrane 10, the outer wall flexible waterproof layer 9 is in lap joint with the bottom plate waterproof layer 8, and the lap joint length meets the standard requirement.
After the construction of the outer wall flexible waterproof layer 9 is completed, the foundation pit fertilizer groove is backfilled layer by layer through the pouring hole 4.1 to form a foundation pit fertilizer groove filling layer 11, and meanwhile, an outer wall reinforcing steel bar frame is bound.
And then installing an outer wall inner side template 13 and a template support 14, fixing the template support 14 through pre-embedded foundation bolts 12, and pouring concrete at the outer wall reinforcing frame to form an outer wall concrete layer 6. And (5) upwards constructing to the first-layer structure top plate 4 layer by layer to finish the construction of the basement outer wall waterproof structure by the reverse construction method.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that a person skilled in the art should also recognize that several modifications and decorations can be made without departing from the principle of the present invention, and the protection scope of the present invention is also covered.
Claims (8)
1. The utility model provides a basement outer wall waterproofing structure of doing construction in reverse which characterized in that: the waterproof structure comprises a structure top plate (4), a structure bottom plate (5), an outer wall outer side tire membrane (10), an outer wall inner side template (13), a bottom plate waterproof layer (8) and an outer wall flexible waterproof layer (9); the structure top plate (4) and the structure bottom plate (5) are provided with bosses (7) on the same vertical plane; the lug boss (7) is provided with a dowel bar (7.1), a water stop bar (7.2) and a grouting pipe (7.3); an outer wall reinforcing steel bar frame is arranged between the adjacent bosses (7); pouring holes (4.1) are formed in the structural top plate (4) and located on two sides of the boss (7); the outer wall inner side template (13) and the outer wall outer side tire membrane (10) are respectively arranged on the inner side and the outer side of the boss (7); one of the pouring holes (4.1) of the structural top plate (4) is positioned on one side, back to the outer wall inner side formwork (13), of the outer wall outer side tire membrane (10); the outer wall flexible waterproof layer (9) is laid on one side, opposite to the outer wall inner side template (13), of the outer wall outer side tire mold (10), and the bottom plate waterproof layer (8) is arranged on the structural bottom plate (5) and is in lap joint with the outer wall flexible waterproof layer (9).
2. The waterproof construction structure of the basement exterior wall constructed in the reverse manner according to claim 1, which is characterized in that: and the outer wall reinforcing steel bar frame is bound with the inserting bars (7.1).
3. The waterproof construction structure of the basement exterior wall constructed in the reverse manner according to claim 1, which is characterized in that: and an outer wall concrete layer (6) is arranged between the outer wall outer side tire film (10) and the outer wall inner side template (13).
4. The waterproof construction structure of the basement exterior wall constructed in the reverse manner according to claim 1, which is characterized in that: and a foundation pit fertilizer groove filling layer (11) is arranged on one side, back to the outer wall inner side template (13), of the outer wall outer side tire membrane (10).
5. The waterproof construction structure of the basement exterior wall constructed in the reverse manner according to claim 4, wherein: and the upper end and the lower end of the foundation pit fertilizer groove filling layer (11) are provided with the outer wall flexible waterproof layer (9).
6. The waterproof construction structure of the basement exterior wall constructed in the reverse manner according to claim 1, which is characterized in that: still be equipped with the rag bolt (12) of slope on boss (7), be equipped with vertical rag bolt (12) on structure roof (4) and structure bottom plate (5).
7. The waterproof construction structure of the basement exterior wall constructed in the reverse manner according to claim 6, wherein: and one side of the outer wall inner side template (13) back to the outer wall outer side tire mould (10) is also connected with a template bracket (14) through the foundation bolt (12).
8. The waterproof construction structure of the basement exterior wall constructed in the reverse manner according to claim 1, which is characterized in that: the height of the boss (7) is 300-500 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022139898.4U CN213625699U (en) | 2020-09-26 | 2020-09-26 | Basement outer wall waterproof construction structure for reverse construction |
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| CN202022139898.4U CN213625699U (en) | 2020-09-26 | 2020-09-26 | Basement outer wall waterproof construction structure for reverse construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338332A (en) * | 2021-04-26 | 2021-09-03 | 上海建工四建集团有限公司 | Reverse construction method for slightly weathered rock area |
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- 2020-09-26 CN CN202022139898.4U patent/CN213625699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338332A (en) * | 2021-04-26 | 2021-09-03 | 上海建工四建集团有限公司 | Reverse construction method for slightly weathered rock area |
| CN113338332B (en) * | 2021-04-26 | 2023-01-06 | 上海建工四建集团有限公司 | Reverse construction method for slightly weathered rock area |
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