CN217078822U - Basement post-cast strip drainage structures - Google Patents
Basement post-cast strip drainage structures Download PDFInfo
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- CN217078822U CN217078822U CN202220982314.6U CN202220982314U CN217078822U CN 217078822 U CN217078822 U CN 217078822U CN 202220982314 U CN202220982314 U CN 202220982314U CN 217078822 U CN217078822 U CN 217078822U
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- drainage ditch
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Abstract
The utility model discloses a basement post-cast strip drainage structure, which comprises a drainage ditch, a drainage structure and a concrete bottom plate; the drainage ditch is arranged below the ground level, and a brick bed film is arranged on the side groove wall of the drainage ditch; the drainage structure is arranged in the drainage ditch and comprises a cobble layer, a coarse gravel layer and a fine sand layer which are sequentially overlapped along the bottom wall of the drainage ditch towards the direction of the notch of the drainage ditch; the concrete bottom plate is established the notch department of escape canal, the concrete bottom plate includes the body and locates the body just corresponds the post-cast strip of the position of escape canal. The utility model discloses aim at solving the problem that current basement post-cast strip drainage structures antiseep effect is poor, cost of maintenance is high.
Description
Technical Field
The utility model relates to a building design technical field, in particular to drainage structures technical field, concretely relates to basement post-cast strip drainage structures.
Background
In the project with a basement, a post-cast strip needs to be reserved in the basement for draining accumulated water in the basement, the existing post-cast strip mainly comprises a common post-cast strip and an advanced water-stop post-cast strip, the thickness of the common post-cast strip is consistent with that of other bottom plates, steel plate water-stop strips are added on two sides of the post-cast strip, and the post-cast strip is not closed for a long time, so that more garbage in the post-cast strip is not easy to clean, and the anti-leakage effect is poor after the post-cast strip is closed; the front water-stop post-cast strip is formed by sealing the post-cast strip in advance by using a water-resistant plate, so that the condition that the post-cast strip which is not cast does not restrict the subsequent outer wall water resistance and backfilling is guaranteed. The water-resistant plate is used as a protective wall of the post-cast strip, plays an effective role in protecting the reinforcing steel bars in the post-cast strip, but can generate cracks and generate water leakage under the action of temperature stress, main body settlement and other stresses along with the delay of time. And the procedure of casting the strip after advanced water stop is more complicated, and the construction cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective provides basement post-cast strip drainage structures, aims at solving the poor, with high costs problem of current basement post-cast strip drainage structures antiseep effect.
In order to achieve the above object, the utility model provides a watering area drainage structures behind basement, watering area drainage structures behind basement includes:
the drainage ditch is arranged below the ground level, and a brick bed film is arranged on the side groove wall of the drainage ditch;
the drainage structure is arranged in the drainage ditch and comprises a cobble layer, a coarse gravel layer and a fine sand layer which are sequentially overlapped along the bottom wall of the drainage ditch towards the direction of the notch of the drainage ditch; and the number of the first and second groups,
the concrete bottom plate, the lid is established the notch department of escape canal, the concrete bottom plate includes the body and locates the body just corresponds the post-cast strip that the position department of escape canal formed.
Optionally, the basement post-cast strip drainage structure further comprises an impermeable layer, and the impermeable layer is arranged between the concrete bottom plate and the drainage ditch.
Optionally, the material of the impermeable layer comprises a waterproof roll.
Optionally, two steel plate water stops are arranged in the body, and at least part of the two steel plate water stops extends into the post-cast strip; and/or the presence of a gas in the gas,
the post-cast strip is positioned in the middle of the concrete bottom plate.
Optionally, the depth of the drainage ditch is H1, wherein H1 is more than or equal to 700mm and less than or equal to 900 mm.
Optionally, the thickness of the fine sand layer is H2, wherein, H2 is less than or equal to 50mm and less than or equal to 100 mm.
Optionally, the distance from the upper end face of the fine sand layer to the upper end face of the opening of the drainage ditch is H3, wherein the distance is more than or equal to 100mm and less than or equal to H3 and less than or equal to 150 mm.
Optionally, the post-cast strip is cast of concrete.
Optionally, the body is provided with a mesh reinforcement at the upper and/or lower end.
In the technical scheme of the utility model, the basement post-cast strip drainage structure has simple structure, simple construction steps and long service life; meanwhile, the basement post-cast strip drainage structure is energy-saving and environment-friendly, and building waste is used as the drainage structure, so that the treatment link of the building waste can be saved, and the construction cost is saved; in addition, the hydrophobic structure comprises a cobble layer, a coarse gravel layer and a fine sand layer, and the material with high water permeability is adopted, so that water in the drainage ditch can be drained away in time, a hydrophobic effect is achieved, and the phenomenon that water accumulates in the drainage ditch for a long time and leaks outwards to influence a post-pouring zone is avoided; and simultaneously, be equipped with the brick fetal membrane on the lateral wall in escape canal, can improve on the one hand the stability of escape canal structure can also prevent to a certain extent in addition on the one hand water seepage in the escape canal outside the escape canal, causes the influence to the stability of ground.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is the structural schematic diagram of an embodiment of the basement post-cast strip drainage structure provided by the utility model.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Basement post-cast |
3 | |
| 1 | |
31 | |
| 11 | |
32 | |
| 2 | |
33 | Steel |
| 21 | |
34 | Reinforcing |
| 22 | |
5 | |
| 23 | Fine sand layer |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In the project with a basement, a post-cast strip needs to be reserved in the basement for draining accumulated water in the basement, the existing post-cast strip mainly comprises a common post-cast strip and an advanced water-stop post-cast strip, the thickness of the common post-cast strip is consistent with that of other bottom plates, steel plate water-stop strips are added on two sides of the post-cast strip, and the post-cast strip is not closed for a long time, so that more garbage in the post-cast strip is not easy to clean, and the anti-leakage effect is poor after the post-cast strip is closed; the front water-stop post-cast strip is formed by sealing the post-cast strip in advance by using a water-resistant plate, so that the condition that the post-cast strip which is not cast does not restrict the subsequent outer wall water resistance and backfilling is guaranteed. The water-resistant plate is used as a protective wall of the post-cast strip, plays an effective role in protecting the reinforcing steel bars in the post-cast strip, but can generate cracks and generate water leakage under the action of temperature stress, main body settlement and other stresses along with the delay of time. And the procedure of casting the strip after advanced water stop is more complicated, and the construction cost is higher.
In view of the above, the utility model provides a basement post-cast strip drainage structure, the basement post-cast strip drainage structure provided by the utility model has the advantages of simple structure, low cost, excellent water seepage prevention function, and suitability for various basements; fig. 1 is an embodiment of the basement post-cast strip drainage structure provided by the present invention, and the following description is mainly made in conjunction with specific drawings.
Referring to fig. 1, the basement post-cast strip drainage structure 100 includes a drainage ditch 1, a drainage structure 2 and a concrete bottom plate 3; the drainage ditch 1 is arranged below the ground level, and a brick bed film 11 is arranged on the side groove wall of the drainage ditch 1; the drainage structure 2 is arranged in the drainage ditch 1, and the drainage structure 2 comprises a cobble layer 21, a coarse gravel layer 22 and a fine sand layer 23 which are sequentially overlapped along the bottom wall of the drainage ditch 1 towards the direction of the notch of the drainage ditch; the concrete bottom plate 3 covers and establishes the notch department of escape canal 1, the concrete bottom plate 3 includes body 31 and locates body 31 just corresponds post-cast strip 32 that the position department of escape canal 1 formed.
In the technical scheme of the utility model, the basement post-cast strip drainage structure 100 has simple structure, simple construction steps and long service life; meanwhile, the basement post-cast strip drainage structure 100 is energy-saving and environment-friendly, and building waste is used as the drainage structure 2, so that the treatment link of the building waste can be saved, and the construction cost is saved; in addition, the hydrophobic structure 2 comprises a cobble layer 21, a coarse gravel layer 22 and a fine sand layer 23, and the material with high water permeability is adopted, so that the underground water in the drainage ditch 1 can be drained away in time, a hydrophobic effect is achieved, the phenomenon that the underground water is accumulated in the drainage ditch 1 for a long time and leaks outwards to influence the post-cast strip 32 is avoided; and simultaneously, be equipped with brick fetal membrane 11 on the lateral wall in escape canal 1, can improve on the one hand the stability of 1 structure in escape canal can also prevent to a certain extent in addition on the one hand groundwater seepage in the escape canal 1 causes the influence to the stability of ground to escape canal 1 outside.
It should be noted that the utility model discloses in, what the terminal point of escape canal 1 was connected is the sump pit, promptly during groundwater in the escape canal 1 finally can flow to the sump pit, collect, avoid groundwater to overstock for a long time in the escape canal 1, the seepage arrives on the post-cast strip 32.
With continued reference to fig. 1, the basement post-cast strip drainage structure 100 further includes an impermeable layer 5, and the impermeable layer 5 is disposed between the concrete bottom plate 3 and the drainage ditch 1. In this embodiment, an impermeable layer 5 is further disposed between the drainage ditch 1 and the concrete bottom plate 3, and the impermeable layer 5 is used for preventing groundwater in the drainage ditch 1 from permeating into the concrete bottom plate 3 and affecting the post-cast strip 32.
In the actual construction process, firstly, the brick bed 11 is built on the side wall of the drainage ditch 1, then the cobble layer 21, the coarse sand gravel layer 22 and the fine sand layer 23 are sequentially arranged in the drainage ditch 1, then the impermeable layer 5 is arranged on the fine sand layer 23, and then the concrete bottom plate 3 is arranged on the impermeable layer 5, so that the impermeable layer 5 can prevent the groundwater in the drainage ditch 1 from permeating into the concrete bottom plate 3, and the construction is carried out by adopting the construction steps, thus the steps are simple, and the effect is high.
Further, in this embodiment, the material of the impermeable layer 5 includes a waterproof roll, and the waterproof roll has a good impermeable effect, and can prevent most of groundwater from permeating into the post-cast strip 32, so as to prolong the service life of the post-cast strip 32.
Referring to fig. 1, in the present embodiment, two steel water stops 33 are disposed in the body 31, and the two steel water stops 33 at least partially extend into the post-cast strip 32; the two steel plate water stops 33 are oppositely arranged in the body 31, and the steel plate water stops 33 are arranged for further blocking underground water and preventing the underground water from seeping out of the ground and flowing into a basement; the specific installation mode of the steel plate water stop 33 can be set by referring to the conventional setting in the field, and the detailed description is omitted here.
Further, the post-cast strip 32 is located at the middle of the concrete floor 3 for convenience of construction.
It should be noted that the depth of the drainage ditch 1 also affects the drainage structure 100 of the post-cast strip of the basement, and specifically, through repeated research and tests of the inventor, when the depth of the drainage ditch 1 is less than 700mm, there is a risk that groundwater in the drainage ditch 1 seeps out, and when the depth of the drainage ditch 1 is greater than 900mm, the water seepage prevention effect cannot be increased, and on the contrary, the construction cost is increased; therefore, in the embodiment, the depth of the drainage ditch 1 is H1, wherein H1 is more than or equal to 700mm and less than or equal to 900 mm. As a preferred embodiment of the utility model, when the depth of the drainage ditch 1 is set to 800mm, the cost is the lowest, and the water seepage prevention effect is the best.
Further, the thickness of the fine sand layer 23 may also affect the drainage structure 100 of the post-cast strip of the basement, and specifically, after repeated research and tests of the inventor, when the thickness of the fine sand layer 23 is less than 50mm, there is a risk that groundwater in the drainage ditch 1 seeps out, and when the thickness of the fine sand layer 23 is greater than 55mm, the water seepage prevention effect cannot be increased, and the construction cost is increased; therefore, the thickness of the fine sand layer 23 in the present embodiment is H2, wherein 50mm ≦ H2 ≦ 55 mm. As a preferred embodiment of the present invention, when the thickness of the fine sand layer 23 is set to 50mm, the cost is the lowest and the water permeation preventing effect is the best.
Furthermore, in order to ensure the anti-seepage effect of the basement post-cast strip drainage structure 100, in the utility model, the distance from the upper end surface of the fine sand layer 23 to the upper end surface of the opening of the drainage ditch 1 is H3, wherein H3 is not less than 90mm and not more than 100 mm. As a preferred embodiment of the present invention, when the distance from the upper end surface of the fine sand layer 23 to the upper end surface of the opening of the drainage ditch 1 is set to 100mm, the impermeable effect is the best.
In addition, in order to ensure the service life of the post-cast strip 32, in the present embodiment, the post-cast strip 32 is cast by concrete.
Referring to fig. 1, in this embodiment, in order to ensure the strength requirement of the concrete floor 3, the upper end and the lower end of the body 31 are provided with reinforcing meshes 34, so as to increase the strength of the concrete floor 3.
Specifically, the utility model provides a basement post-cast strip drainage structure 100 can realize through following work progress:
firstly, excavating earth on a basement bottom plate to form a drainage ditch 1 with the depth of 800mm, then building the brick molding bed 11 on the side wall of the drainage ditch 1, wherein a certain position is required to be reserved for installing the water seepage pipe 4 when building the brick molding bed, after the building of the brick molding bed 11 is finished, the water seepage pipe 4 is installed on the side wall of the drainage ditch, then, lime powder is coated on the bottom wall of the drainage ditch 1 and the side wall of the brick molding bed 11, the brick molding bed 11 is fixed, then, the goose pebble layer 21, the coarse sand gravel layer 22 and the fine sand layer 23 are sequentially paved on the bottom wall of the drainage ditch 1 from bottom to top, after the paving of the fine sand layer 23 is finished, the anti-seepage layer 5 is paved on the notch of the drainage ditch 1, then, the concrete bottom plate 3 is poured on the anti-seepage layer 5, and then, the post-pouring belt 32 is sealed, and finishing construction.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a basement post-cast strip drainage structures which characterized in that includes:
the drainage ditch is arranged below the ground level, and a brick bed film is arranged on the side groove wall of the drainage ditch;
the drainage structure is arranged in the drainage ditch and comprises a cobble layer, a coarse gravel layer and a fine sand layer which are sequentially overlapped along the bottom wall of the drainage ditch towards the direction of the notch of the drainage ditch; and the number of the first and second groups,
the concrete bottom plate, the lid is established the notch department of escape canal, the concrete bottom plate includes the body and locates the body just corresponds the post-cast strip that the position department of escape canal formed.
2. The basement post-cast strip drainage structure of claim 1, further comprising an impermeable layer disposed between the concrete floor and the drainage ditch.
3. The basement post-cast strip drainage structure of claim 2, wherein the impermeable layer comprises a waterproof roll.
4. The basement post-cast strip drainage structure of claim 1, wherein two steel plate water stops are arranged in the body and extend at least partially into the post-cast strip; and/or the presence of a gas in the gas,
the post-cast strip is positioned in the middle of the concrete bottom plate.
5. The basement post-cast strip drainage structure of claim 1, wherein the depth of the drainage ditch is H1, wherein H1 is 700 mm-900 mm.
6. The basement post-cast strip drainage structure of claim 1, wherein the fine sand layer has a thickness of H2, wherein H2 is 50mm or more and 100mm or less.
7. The basement post-cast strip drainage structure of claim 1, wherein the distance from the upper end face of the fine sand layer to the upper end face of the opening of the drainage ditch is H3, wherein H3 is more than or equal to 100mm and less than or equal to 150 mm.
8. The basement post-cast strip drainage structure of claim 1, wherein the post-cast strip is cast of concrete.
9. The late poured band drainage structure in basement according to claim 1, wherein the upper end and/or the lower end of the body is provided with a reinforcing mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220982314.6U CN217078822U (en) | 2022-04-26 | 2022-04-26 | Basement post-cast strip drainage structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220982314.6U CN217078822U (en) | 2022-04-26 | 2022-04-26 | Basement post-cast strip drainage structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217078822U true CN217078822U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220982314.6U Active CN217078822U (en) | 2022-04-26 | 2022-04-26 | Basement post-cast strip drainage structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217078822U (en) |
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- 2022-04-26 CN CN202220982314.6U patent/CN217078822U/en active Active
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