CN211340879U - Indoor backfill bottom plate leaking stoppage structure - Google Patents
Indoor backfill bottom plate leaking stoppage structure Download PDFInfo
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- CN211340879U CN211340879U CN201921686566.9U CN201921686566U CN211340879U CN 211340879 U CN211340879 U CN 211340879U CN 201921686566 U CN201921686566 U CN 201921686566U CN 211340879 U CN211340879 U CN 211340879U
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Abstract
The utility model provides an indoor backfill bottom plate plugging structure, which comprises a waterproof layer, a cushion layer, a concrete bottom plate, backfill and a concrete protective layer from bottom to top; the concrete bottom plate extends upwards to form a concrete reversed beam, the concrete reversed beam comprises a plurality of transverse beams which are parallel to each other and have equal intervals and a plurality of vertical beams which are parallel to each other and have equal intervals, and the transverse beams are perpendicular to the vertical beams; and the backfill soil pore-forming penetrates to the top of the concrete bottom plate; the grouting holes are arranged below the backfill soil pore-forming holes and communicated with the backfill soil pore-forming holes; the grouting hole penetrates through the waterproof layer and is suitable for grouting and plugging; the slip casting stock, the slip casting stock is located the slip casting downthehole, and is equipped with the slip casting liquid in the slip casting stock, is suitable for and carries out the slip casting operation. The utility model has the characteristics of construction convenience, leaking stoppage are effectual.
Description
Technical Field
The utility model belongs to the building field of repairing, concretely relates to indoor backfill bottom plate leaking stoppage structure.
Background
In the design process of underground engineering, in order to reach the anti-floating standard, a concrete inverted beam structure is often arranged on a base layer bottom plate, backfill soil is used for filling with 500-1000cm thickness, and then construction of a concrete cushion is carried out above the concrete backfill soil.
According to the basement storey-adding method for the existing building with the frame structure independent foundation, as the basement storey-adding method is described in the Chinese patent CN102182325B, due to the characteristics of the concrete structure, the basement bottom plate structure is prone to uneven deformation under the action of external load or internal stress, cracks can be generated and water seepage channels can be formed under the condition that the stress is greater than the tensile strength of the concrete, after the flexible waterproof layer is locally or largely disabled, groundwater seeps between the damaged waterproof layer and the structural layer, and the seeped water continues to enter the basement interior through the water seepage channels to form a seepage phenomenon.
In view of this, it is desirable to provide a convenient plugging structure for an indoor backfill bottom plate.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that an indoor backfill bottom plate structure of construction convenience is provided.
The utility model discloses an indoor backfill bottom plate structure, which comprises a waterproof layer, a cushion layer, a concrete bottom plate, backfill soil and a concrete protective layer from bottom to top; the concrete bottom plate upwards extends and forms the anti roof beam of concrete, the anti roof beam of concrete includes that the crossbeam that multichannel is parallel to each other and the interval equals and the perpendicular roof beam that the multichannel is parallel to each other and the interval equals, just the crossbeam with erect roof beam mutually perpendicular, still include:
forming a hole by using backfill, wherein the hole is formed on the surface side of the concrete protective layer; the backfill soil pore-forming hole penetrates to the top of the concrete bottom plate;
the grouting holes are arranged below the backfill soil forming holes and communicated with the backfill soil forming holes; the grouting hole penetrates through the waterproof layer and is suitable for grouting and plugging;
the grouting anchor rod is arranged in the grouting hole, grouting liquid is arranged in the grouting anchor rod, and the grouting anchor rod is suitable for grouting operation.
Furthermore, the backfill soil pore-forming holes and the grouting holes are arranged in a grid shape, and the grouting holes are positioned in a rectangle formed by enclosing the cross beam and the vertical beam.
Furthermore, on the projection of the plurality of grouting holes along the vertical direction, the distance between two adjacent grouting holes in the same transverse direction is equal, and the distance between two adjacent grouting holes in the same longitudinal direction is equal.
Further, the diameter of the backfill soil pore-forming is 100 mm.
Furthermore, the slip casting stock can dismantle set up in the slip casting is downthehole, the bottom of slip casting stock stretches into in the concrete bottom plate, just the top of slip casting stock is higher than concrete protection layer 20 mm.
Furthermore, the extending directions of the backfill soil pore-forming hole and the grouting hole are both vertical to the concrete protective layer and the waterproof layer.
Further, the length of the grouting anchor rod is larger than the thickness of the backfill soil.
Further, the distance between two adjacent backfill soil pore-forming holes is 500 mm; the distance between two adjacent grouting holes is 500 mm.
Further, the length of the grouting anchor rod is larger than the thickness of the backfill soil.
Further, the thickness of the backfill soil is 500-1000 mm.
Further, the concrete inverted beam extends to the backfill soil from the concrete bottom plate.
Above-mentioned technical scheme of the utility model, compare prior art and have following advantage:
the utility model discloses a cooperation of slip casting hole and slip casting stock, through the slip casting stock at the downthehole inner wall department of slip casting form the mud dado and form the passageway of slip casting construction, replaced the excavation construction work load to the backfill soil layer to the relevant slip casting work of passing through is at the bed course position between floor structure and waterproof layer, thereby will scurry the water space and be filled completely and realize the purpose of stagnant water from the source.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic top view of the present invention;
wherein, 1, concrete protective layer; 2. backfilling; 3. a concrete floor; 4. a cushion layer; 5. a waterproof layer; 6. concrete reversed beam; 7. grouting holes; 8. grouting an anchor rod; 9; forming holes by backfilling; 61. a cross beam; 62. and (5) vertical beams.
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 work belong to the protection scope of the present invention.
The indoor backfill bottom plate leaking stoppage structure of this embodiment, as shown in fig. 1, includes:
the waterproof layer 5, the cushion layer 4, the concrete bottom plate 3, the backfill soil 2 and the concrete protective layer 1 from bottom to top; concrete floor 3 upwards extends to form concrete and turns over roof beam 6, concrete turns over roof beam 6 and includes that the crossbeam 61 that the multichannel is parallel to each other and the interval equals and the perpendicular roof beam 62 that the multichannel is parallel to each other and the interval equals, just crossbeam 61 with perpendicular roof beam 62 mutually perpendicular still includes:
the backfilling hole 9 is formed, and the backfilling hole 9 is formed in the upper side of the concrete bottom plate 1; in this embodiment, the diameter of the backfill soil pore-forming holes 9 is 100 mm;
the grouting holes 7 are positioned below the backfill soil forming holes 9, and the grouting holes 7 penetrate through the waterproof layer 5 and are suitable for grouting and plugging;
slip casting stock 8, slip casting stock 8 is located in the slip casting hole 7, just be equipped with the slip casting liquid in the slip casting stock 8, be suitable for carrying out the slip casting operation.
In order to achieve the efficiency of the embodiment for plugging the bottom plate and the effect of uniform plugging, in the embodiment, the extending directions of the backfill soil forming holes 9 and the grouting holes 7 are both perpendicular to the concrete protective layer 1 and the waterproof layer 5; the backfill soil forming holes 9 and the grouting holes 7 are arranged in a grid shape and are positioned in a rectangle formed by enclosing the cross beam 61 and the vertical beam 62; on the projection of the plurality of grouting holes 7 along the vertical direction, the distance between two adjacent grouting holes 7 in the same transverse direction is equal, and the distance between two adjacent grouting holes 7 in the same longitudinal direction is equal;
specifically, the distance between two adjacent grouting holes 7 is 500mm in the present embodiment; the backfill soil pore-forming holes 9 are communicated with the grouting holes 7, and correspondingly, the distance between every two adjacent backfill soil pore-forming holes 9 is 500 mm.
In order to achieve the leakage stoppage effect of the embodiment, the grouting anchor rod 8 is detachably arranged in the grouting hole 7, the bottom of the grouting anchor rod 8 extends into the concrete protection layer 1, and the top of the grouting anchor rod 8 is 120mm higher than the concrete protection layer; the length of the grouting anchor rod 8 is larger than the thickness of the backfill soil 2. The thickness of the backfill soil 2 is 500-1000 mm. The concrete inverted beam 6 extends from the concrete bottom plate 3 to the backfill 2.
The use method of the indoor backfill bottom plate leaking stoppage structure in the embodiment comprises the following steps:
determining the positions of the concrete inverted beam 6 and the grouting holes 7, driving the grouting anchor rods 8 into the grouting holes 7, fixing the grouting anchor rods 8 and exposing the grouting anchor rods for more than 2cm, performing quantitative grouting liquid filling on each grouting hole 7 by using the grouting anchor rods 8 from the positions of the first row of the grouting holes 7 and the first row of the grouting holes 7 in sequence, starting filling of the second row of the grouting holes 7 until the grouting work is completed after the grouting liquid is completely solidified, and removing the grouting anchor rods 8 according to the grouting liquid filling sequence of the grouting holes 7 after the grouting liquid is completely solidified.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. An indoor backfill soil bottom plate leakage stoppage structure comprises a waterproof layer, a cushion layer, a concrete bottom plate, backfill soil and a concrete protective layer from bottom to top; the concrete bottom plate upwards extends and forms the anti roof beam of concrete, the anti roof beam of concrete includes that the crossbeam that multichannel is parallel to each other and the interval equals and the perpendicular roof beam that the multichannel is parallel to each other and the interval equals, just the crossbeam with erect roof beam mutually perpendicular, its characterized in that still includes:
forming a hole by using backfill, wherein the hole is formed on the surface side of the concrete protective layer; the backfill soil pore-forming hole penetrates to the top of the concrete bottom plate;
the grouting holes are arranged below the backfill soil forming holes and communicated with the backfill soil forming holes; the grouting hole penetrates through the waterproof layer and is suitable for grouting and plugging;
the grouting anchor rod is arranged in the grouting hole, grouting liquid is arranged in the grouting anchor rod, and the grouting anchor rod is suitable for grouting operation.
2. The indoor backfill bottom plate leakage stopping structure according to claim 1, wherein a plurality of backfill holes and the grouting holes are arranged in a grid shape, and the grouting holes are positioned in a rectangle enclosed by the cross beams and the vertical beams.
3. The indoor backfill soil bottom plate leakage stopping structure according to claim 2, wherein, in the vertical projection of the plurality of grouting holes, the distance between two adjacent grouting holes in the same transverse direction is equal, and the distance between two adjacent grouting holes in the same longitudinal direction is equal.
4. The indoor backfill bottom plate plugging structure according to claim 3, wherein the backfill pore-forming diameter is 100 mm.
5. The indoor backfill bottom plate leaking stoppage structure according to claim 4, wherein the grouting anchor rod is detachably arranged in the grouting hole, the bottom of the grouting anchor rod extends into the concrete bottom plate, and the top of the grouting anchor rod is 20mm higher than the concrete protective layer.
6. The indoor backfill bottom plate leaking stoppage structure according to claim 5, wherein the extending directions of the backfill pore-forming holes and the grouting holes are both perpendicular to the concrete protection layer and the waterproof layer.
7. The indoor backfill bottom plate leaking stoppage structure according to claim 6, wherein: the distance between every two adjacent backfill soil pore-forming holes is 500 mm; the distance between two adjacent grouting holes is 500 mm.
8. The indoor backfill floor plugging structure according to claim 7, wherein the grouting anchor length is greater than the backfill thickness.
9. The indoor backfill bottom plate leaking stoppage structure as claimed in claim 8, wherein the backfill is 500-1000mm thick.
10. The indoor backfill floor plugging structure according to claim 9, wherein the concrete inverted beam extends from the concrete floor to the backfill soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686566.9U CN211340879U (en) | 2019-10-10 | 2019-10-10 | Indoor backfill bottom plate leaking stoppage structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686566.9U CN211340879U (en) | 2019-10-10 | 2019-10-10 | Indoor backfill bottom plate leaking stoppage structure |
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| CN211340879U true CN211340879U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695788A (en) * | 2020-12-26 | 2021-04-23 | 中冶天工集团有限公司 | Ground base layer processing method |
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2019
- 2019-10-10 CN CN201921686566.9U patent/CN211340879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695788A (en) * | 2020-12-26 | 2021-04-23 | 中冶天工集团有限公司 | Ground base layer processing method |
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