CN210712970U - Waterproof structure of basement raft foundation anchor rod - Google Patents
Waterproof structure of basement raft foundation anchor rod Download PDFInfo
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- CN210712970U CN210712970U CN201921096267.XU CN201921096267U CN210712970U CN 210712970 U CN210712970 U CN 210712970U CN 201921096267 U CN201921096267 U CN 201921096267U CN 210712970 U CN210712970 U CN 210712970U
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Abstract
The utility model provides a waterproof construction of basement raft base stock, include: the backfill hole is formed in the base layer and the cushion layer, the cushion layer is formed on the base layer, and an anchor rod penetrates through the backfill hole; the waterproof sealing paste is filled between the inner wall of the backfill hole and the rod body of the anchor rod; the waterproof layer is laid around the anchor rod, the inner side of the waterproof layer is coated on the rod body of the anchor rod in an upward turning mode, and the outer side of the waterproof layer is lapped on the cushion layer; and the concrete protective layer is poured and formed on the cushion layer and covers the waterproof layer. The utility model provides a poor problem of traditional raft foundation stock waterproof reliability.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to waterproof construction of basement raft base stock.
Background
Along with the development of building construction technology, super high-rise buildings and large comprehensive commercial buildings are continuously constructed, underground spaces of the buildings are also continuously increased, basement foundations are mostly raft-shaped foundations, the waterproof construction difficulty of basement anchor rods is also continuously increased due to the gradual increase of the depth of the basement, and the waterproof construction method of the traditional raft foundation anchor rods cannot well meet the waterproof construction of the raft foundation of the super high-rise basement because of the problems of poor construction waterproof reliability and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the waterproof structure of the basement raft foundation anchor rod is provided so as to solve the problem of poor waterproof reliability of the traditional raft foundation anchor rod.
For realizing above-mentioned purpose, provide a waterproof construction of basement raft base stock, include:
the backfill hole is formed in the base layer and the cushion layer, the cushion layer is formed on the base layer, and an anchor rod penetrates through the backfill hole;
the waterproof sealing paste is filled between the inner wall of the backfill hole and the rod body of the anchor rod;
the waterproof layer is laid around the anchor rod, the inner side of the waterproof layer is coated on the rod body of the anchor rod in an upward turning mode, and the outer side of the waterproof layer is lapped on the cushion layer; and
and the concrete protective layer is poured on the cushion layer and covers the waterproof layer.
Further, the inner wall of the backfill hole is coated with cold primer oil.
Further, the shaft body of the anchor rod is coated with an epoxy resin protective layer.
Further, the body cover of stock is equipped with waterproof sleeve, waterproof sleeve's lower part extends backfill downthehole, waterproof sleeve's upper portion extends the top of concrete protection layer.
Further, the stock rod is provided with a water stop, and the water stop is arranged above the waterproof sleeve.
Further, the waterproof layer includes:
the lower part of the waterproof additional layer is laid on the waterproof sealing paste, and the upper part of the waterproof additional layer is turned upwards and wraps the anchor rod;
a first waterproof coiled material, wherein a first side of the first waterproof coiled material is lapped on the lower part of the waterproof additional layer, and a second side of the first waterproof coiled material is lapped on the cushion layer; and
the first side of the second waterproof coiled material is laid on the cushion layer, and the second side of the second waterproof coiled material is turned over and wrapped on the upper portion of the waterproof additional layer.
Further, the inner diameter of the backfill hole is gradually reduced from top to bottom.
The beneficial effects of the utility model reside in that, the utility model discloses a waterproof construction of basement raft foundation stock forms back filling hole and packs waterproof sealing compound in backfilling the hole in basic unit and bed course again, utilize waterproof sealing compound shutoff in the gap of basic unit and bed course, make basic unit and bed course form effectual waterproof whole, lay the waterproof layer on waterproof sealing compound again, the waterproof layer overlap joint is on the bed course and parcel stock, the waterproof layer of lower part has been destroyed when pouring the concrete protective layer and avoiding pouring the bottom plate on the bed course again at last, facilities such as waterproof sealing compound, and then possess the waterproof antiseep effect of preferred.
Drawings
Fig. 1 is the utility model discloses basement raft foundation stock's waterproof construction's of embodiment structural schematic.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is the utility model discloses basement raft foundation stock's waterproof construction's of embodiment structural schematic, fig. 2 are the partial enlargements of A department in fig. 1.
Referring to fig. 1 and 2, the utility model provides a waterproof construction of basement raft board basis stock, include: backfill holes 1, waterproof sealing paste 2, a waterproof layer 3 and a concrete protective layer 4.
Specifically, the backfill holes 1 are formed in the base layer 7 and the cushion layer 8. The cushion layer 8 is formed on the base layer 7, and the anchor rod 10 penetrates through the backfill hole 1. And the waterproof sealing paste 2 is filled between the inner wall of the backfill hole 1 and the rod body of the anchor rod 10. The waterproof layer 3 is laid around the anchor rod 10. The inner side of the waterproof layer 3 is coated on the rod body of the anchor rod 10 in an upturned mode. The outer side of the waterproof layer 3 is lapped on the cushion layer 8. The concrete protective layer 4 is poured on the cushion layer 8 and coated on the waterproof layer 3.
The utility model discloses a waterproof construction of basement raft foundation stock forms back filling hole and packs waterproof sealing paste in backfilling the hole through basic unit and bed course again, utilize waterproof sealing paste shutoff in the gap of basic unit and bed course, make basic unit and bed course form effectual waterproof whole, establish the waterproof layer on waterproof sealing paste again, the waterproof layer overlap joint is on the bed course and wraps up the stock, the waterproof layer of lower part has been destroyed when pouring the concrete protective layer and avoiding pouring the bottom plate on the bed course again at last, facilities such as waterproof sealing paste, and then possess the waterproof antiseep effect of preferred.
In a preferred embodiment, a layer of cold primer oil is applied to the inner wall of the backfill hole 1 before the backfill hole is filled with the waterproof sealant. The cold bottom oil has small viscosity and good fluidity, can quickly permeate into pores of the base surface of the inner wall when being coated on the base surface of the inner wall of the backfill hole, and can be firmly combined with the base surface after the solvent is volatilized.
In the present embodiment, the shaft of the anchor 10 in the range of the base layer, the cushion layer, the concrete protective layer, and the floor is coated with an epoxy resin protective layer. The epoxy resin protective layer is a protective layer formed by epoxy resin.
After coating an epoxy resin protective layer on the body of the anchor rod, a waterproof sleeve 5 is sleeved outside the epoxy resin protective layer on the body of the anchor rod 10. The lower part of the waterproof sleeve 5 extends into the backfill hole 1, and the upper part of the waterproof sleeve 5 extends above the concrete protective layer 4.
In this embodiment, the waterproof sleeve is a cylindrical protective layer formed by wrapping the waterproof roll on the shaft of the anchor rod.
As a preferred implementation of waterproofing, the anchor 10 is fitted with a water stop 6. The water stop 6 is disposed above the waterproof sleeve 5. The water stop is embedded in the bottom plate.
In this embodiment, the waterproof layer 3 includes: a waterproofing additional layer 31, a first waterproofing roll 32 and a second waterproofing roll 33.
Specifically, the lower part of the waterproof additional layer 31 is laid on the waterproof sealing paste 2, and the upper part of the waterproof additional layer 31 is turned up and wrapped on the anchor rod 10. The first side of the first roll of waterproofing material 32 is lapped over the lower part of the additional layer of waterproofing material 31 and the second side of the first roll of waterproofing material 32 is lapped over the backing layer 8. A first side of a second roll of waterproofing material 33 is laid on the backing layer 8 and a second side of the second roll of waterproofing material 33 is turned up and wrapped around the upper portion of the additional layer of waterproofing material 31.
As a preferable implementation of waterproofing, the inner diameter of the backfill hole 1 is gradually reduced from top to bottom. The longitudinal section of the backfill hole is in an inverted trapezoid shape.
The utility model discloses a waterproof construction's of basement raft foundation stock construction steps:
before the cushion layer construction, a backfill hole is dug in a base layer of an anchor rod construction area, and an inverted trapezoidal shaped steel cylinder is placed in the backfill hole. Put the inverted trapezoid steel cylinder of the regularization with the bed course parallel and level
And pouring the cushion layer concrete on the base layer to enable the upper surface of the cushion layer to be flush with the top of the shaped steel cylinder.
And after the cushion layer is hardened, taking out the sizing steel cylinder to form backfill holes in the base layer and the cushion layer. And brushing cold bottom oil on the inner wall of the backfill hole.
And (3) pouring waterproof sealing paste into the backfill hole coated with the cold primer oil, so that the waterproof sealing paste is filled between the inner wall of the backfill hole and the rod body of the anchor rod.
The top of the waterproof sealing paste is locally repaired and leveled, and dust, gravel, broken stones and the like on the upper surface of the cushion layer are removed.
After removing dust and the like, laying the hot-melt non-curing rubber asphalt waterproof coating on the cushion layer and the waterproof sealant. In this embodiment, the anchor is located within 200mm above and below the interface of the base plate and the substrate and is coated with a protective layer of epoxy. And a water stop belt made of rubber is additionally arranged at the position, 50mm higher than the cushion layer, of the anchor rod.
The special heating paver for the hot-melt non-cured rubber asphalt waterproof coating is used, machine stirring is needed in the whole heating process to ensure that the non-cured rubber asphalt is uniformly heated and prevent local hardening, the heating temperature of the non-cured rubber asphalt is not higher than 200 ℃, and the use temperature is not lower than 180 ℃.
After the water stop belt is installed, a waterproof additional layer of self-adhesive polymer modified asphalt is paved, then non-curing rubber asphalt waterproof paint is coated according to the design requirement, and a first waterproof coiled material of the self-adhesive polymer modified asphalt is paved on the waterproof additional layer. And brushing a non-cured rubber asphalt waterproof coating on the first waterproof roll and paving a second waterproof roll on the second waterproof roll.
And pouring a concrete protective layer on the second waterproof coiled material and the cushion layer. In this example, the concrete protective layer is a 50mm thick layer of C20 fine stone concrete, and the concrete placement is trowelled along with the concrete.
In the construction process of the concrete protective layer, the surface is flattened at any time along with the pouring of the concrete, so that the finishing of the concrete before initial setting is ensured, and no crack is formed on the surface of the concrete protective layer after final setting. Ensure the protection effect of the concrete protective layer on the waterproof layer
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the present invention, which are intended to be limited only by the scope of the appended claims.
Claims (7)
1. The utility model provides a waterproof construction of basement raft board basis stock which characterized in that includes:
the backfill hole is formed in the base layer and the cushion layer, the cushion layer is formed on the base layer, and an anchor rod penetrates through the backfill hole;
the waterproof sealing paste is filled between the inner wall of the backfill hole and the rod body of the anchor rod;
the waterproof layer is laid around the anchor rod, the inner side of the waterproof layer is coated on the rod body of the anchor rod in an upward turning mode, and the outer side of the waterproof layer is lapped on the cushion layer; and
and the concrete protective layer is poured on the cushion layer and covers the waterproof layer.
2. The waterproof structure of basement raft foundation anchor rod of claim 1, wherein the inner wall of backfill hole is coated with cold bottom oil.
3. The waterproof structure of basement raft foundation anchor rod of claim 1, wherein the shaft of anchor rod is coated with an epoxy protective layer.
4. The waterproof structure of basement raft foundation stock of claim 1, wherein the pole body cover of stock is equipped with waterproof sleeve, the lower part of waterproof sleeve extends to in the backfill hole, the upper portion of waterproof sleeve extends to the top of concrete protection layer.
5. The waterproof structure of basement raft foundation stock of claim 4, characterized in that, the stock is installed the waterstop, the waterstop sets up in the top of waterproof sleeve.
6. The waterproof structure of basement raft foundation stock of claim 1, wherein the waterproof layer includes:
the lower part of the waterproof additional layer is laid on the waterproof sealing paste, and the upper part of the waterproof additional layer is turned upwards and wraps the anchor rod;
a first waterproof coiled material, wherein a first side of the first waterproof coiled material is lapped on the lower part of the waterproof additional layer, and a second side of the first waterproof coiled material is lapped on the cushion layer; and
the first side of the second waterproof coiled material is laid on the cushion layer, and the second side of the second waterproof coiled material is turned over and wrapped on the upper portion of the waterproof additional layer.
7. The waterproof structure of basement raft foundation anchor rod of claim 1, wherein the inside diameter of backfill hole is gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096267.XU CN210712970U (en) | 2019-07-11 | 2019-07-11 | Waterproof structure of basement raft foundation anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096267.XU CN210712970U (en) | 2019-07-11 | 2019-07-11 | Waterproof structure of basement raft foundation anchor rod |
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| CN210712970U true CN210712970U (en) | 2020-06-09 |
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| CN201921096267.XU Active CN210712970U (en) | 2019-07-11 | 2019-07-11 | Waterproof structure of basement raft foundation anchor rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900503A (en) * | 2021-01-20 | 2021-06-04 | 深圳钜联锚杆技术有限公司 | Anchor rod water stop component, anchor rod and water stop method |
-
2019
- 2019-07-11 CN CN201921096267.XU patent/CN210712970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900503A (en) * | 2021-01-20 | 2021-06-04 | 深圳钜联锚杆技术有限公司 | Anchor rod water stop component, anchor rod and water stop method |
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