CN210827456U - Deep basal pit anti-floating anchor rod waterproof construction - Google Patents
Deep basal pit anti-floating anchor rod waterproof construction Download PDFInfo
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- CN210827456U CN210827456U CN201921178763.XU CN201921178763U CN210827456U CN 210827456 U CN210827456 U CN 210827456U CN 201921178763 U CN201921178763 U CN 201921178763U CN 210827456 U CN210827456 U CN 210827456U
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- anchor rod
- floating anchor
- hole
- waterproof
- grouting
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Abstract
The utility model relates to the field of deep foundation pit construction, and discloses a deep foundation pit anti-floating anchor rod waterproof structure, which comprises an anti-floating anchor rod group and a mixed base layer laid on a foundation, wherein the mixed base layer is provided with a through hole extending to the foundation, the anti-floating anchor rod group is sleeved with a fixed sleeve, the lower end of the anti-floating anchor rod group passes through the through hole and is inserted into the foundation, the fixed sleeve is accommodated in the through hole, the fixed sleeve is fixedly matched with a fixed plate, the fixed plate is provided with a positioning hole matched with an anchor rod rib body of the anti-floating anchor rod group, the positioning holes are annularly and uniformly distributed on the fixed plate, and an interval is arranged between two adjacent positioning holes, so that the problem of easy water seepage caused by poor treatment of a gap between the anchor rod ribs is solved, the fixed plate is provided with a grouting hole, the inner cavity of the fixed sleeve is filled, the stability of the structure is increased by respectively grouting and fixing.
Description
Technical Field
The utility model relates to a deep basal pit construction field, in particular to deep basal pit anti-floating anchor rod waterproof construction.
Background
At present, in the waterproof construction of a deep foundation pit or a basement, a concrete cushion is poured on the foundation surface of the deep foundation pit or the basement, a waterproof layer is laid on the foundation surface, a concrete bottom plate is poured on the waterproof layer, and the waterproof layer laid between the basement and the concrete bottom plate achieves the waterproof effect. Because several anti-floating anchor rods of installation need trompil on concrete floor, in order to offset the ascending buoyancy of groundwater to concrete floor, anti-floating anchor rod need pass concrete floor's trompil and insert several meters to several tens meters below the ground plane, thereby it forms the passageway of groundwater up infiltration to lead to the clearance between the inner wall of hole and the anti-floating anchor rod, simultaneously in order to make things convenient for the erection construction of anti-floating anchor rod, several anti-floating anchor rods usually can be tied up together, the clearance between the several anti-floating anchor rods tied together can become another passageway that groundwater up permeates, because the clearance between the anti-floating anchor rod is less, the waterproof mortar that the preface was poured can't or a small amount of this less clearance of entering, thereby can not form integrated into one piece's waterproof mortar layer.
At present, the utility model discloses a chinese utility model patent that bulletin number is CN205975608U, the announcement day is 2017 year 02 month 22 days discloses an anti-floating anchor rod waterproof construction, its waterproof construction is including setting up mixed basic unit and anti-floating anchor rod on the ground, set up the trompil on ground and the mixed basic unit, anti-floating anchor rod lower part passes in the mixed basic unit gets into the ground through the trompil, the trompil department of mixed basic unit sets up the recess, the recess is square, fill waterproof coating in recess and the trompil, mixed basic unit upper surface sets gradually main waterproof layer and enhancement layer, the enhancement layer outside sets up waterproof layer, waterproof layer covers on the enhancement layer.
The technical scheme solves the problem of water channeling of the waterproof layer, improves the waterproof reliability to a certain extent, and has the following defects: the waterproof treatment of the anti-floating anchor rod is to wrap a waterproof coiled material on the outer side of the anti-floating anchor rod, and wrap the waterproof coiled material on the vertical part of the anti-floating anchor rod by adopting a hot melting method, so that large-scale machinery is needed, and the anti-floating anchor rod needs to be laid in a large quantity, which is not beneficial to construction; and the gap between the anti-floating anchor rods is not reasonably processed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an anti-floating anchor rod waterproof construction of deep basal pit.
The above technical purpose of the present invention can be achieved by the following technical solutions: a deep foundation pit anti-floating anchor rod waterproof structure comprises an anti-floating anchor rod group and a mixed base layer laid on a foundation, wherein the mixed base layer comprises a concrete cushion layer, a waterproof layer and a concrete bottom plate which are laid in sequence, the anti-floating anchor rod group consists of at least three anchor rod bodies, each anchor rod body is divided into a vertical part and a horizontal part, the horizontal parts of the anchor rod bodies of the anti-floating anchor rod group are distributed in a radial mode, the mixed base layer is provided with a through hole extending to the foundation, a fixing sleeve is sleeved on the anti-floating anchor rod group, the lower end of the anti-floating anchor rod group penetrates through the through hole and is inserted into the foundation, the fixing sleeve is accommodated in the through hole, a fixing plate is fixedly matched in the fixing sleeve, and a positioning hole matched with; the fixed plate is provided with a grouting hole, the inner cavity of the fixed sleeve is filled with waterproof mortar, and the gap between the inner wall of the through hole and the outer wall of the fixed sleeve is filled with waterproof mortar.
Through adopting above-mentioned technical scheme, will anti-floating anchor group fixed coordination sheathe in fixed, will fix the cover holding in the through-hole, insert the ground with the anchor rod muscle body of anti-floating anchor group, pour into waterproof mortar into toward the intracavity that fixed cover formed through the slip casting hole, pour into waterproof mortar into toward the clearance between the inner wall of through-hole and the fixed cover outer wall, make fixed cover and anti-floating anchor group fix in the through-hole to fill the through-hole with pouring.
The utility model discloses further set up to, the up end of fixed cover is not less than the upper surface of waterproof layer.
Through adopting above-mentioned technical scheme, get up the waterproof layer protection, avoid groundwater to upwards seep water through the gap.
The utility model discloses further set up to, the locating hole is annular equipartition on the fixed plate, and has the interval between two adjacent locating holes.
Through adopting above-mentioned technical scheme, conveniently fill the gap between the stock muscle body, further prevent the infiltration of groundwater.
The utility model discloses further set up to, the lateral wall equipartition of fixed cover has a plurality of stiffeners.
Through adopting above-mentioned technical scheme, increase the area of contact of the waterproof mortar who fills in fixed cover and the through-hole, strengthen the stability of fixed cover in the through-hole.
The utility model discloses further set up to, the stiffener slope sets up on the lateral wall of fixed cover.
Through adopting above-mentioned technical scheme, the further area of contact of the waterproof mortar who pours in fixed cover and the through-hole of increase strengthens the stability of fixed cover in the through-hole.
The utility model discloses further set up to, fixed cooperation has the fixed plate respectively in the upper end of fixed cover, lower extreme inner wall, forms confined slip casting chamber, wherein is located and sets up the slip casting hole on the fixed plate of fixed cover upper end.
Through adopting above-mentioned technical scheme, further fixed anti-floating anchor rod group and fixed cover, and form the slip casting chamber and can avoid waterproof mortar's waste.
The utility model discloses further set up to, the fixed cooperation in middle part of fixed cover has the fixed plate, forms two confined grouting cavities, can layering slip casting in proper order through the slip casting hole, and the slip casting hole is not seted up to the fixed plate of lower extreme.
By adopting the technical scheme, two grouting cavities are formed and grouting is carried out in a layered mode, and the anti-floating anchor rod group and the fixing sleeve are further fixed.
The utility model discloses further set up to, anti floating anchor group is three stock muscle bodies.
By adopting the technical scheme, the stability of the anti-floating anchor rod group is ensured while the buoyancy of underground water is resisted.
To sum up, the utility model discloses a beneficial technological effect does:
1. the anti-floating anchor rods are matched with the through holes of the mixed base layer through the fixing sleeves, so that the anti-floating anchor rods cannot be inclined inwards or outwards transversely, the anti-floating anchor rods are positioned more accurately, and the mutual dislocation phenomenon cannot occur; the reinforcing rod on the outer wall of the fixing sleeve further increases the connection strength between the reinforcing rod and the waterproof mortar; when the anti-floating anchor rod is constructed in a large area, the construction of other stations is not influenced, the construction method is simple, the material cost is saved, and the like;
2. because the anti-floating anchor rod matches with the locating hole of fixed plate respectively, has the interval between two adjacent locating holes, compares the anti-floating anchor rod of tying together and has increased interval each other, and in the waterproof mortar that fills can fully get into this clearance, the waterproof mortar layer of integral type is formed with the waterproof mortar that fixed cover inner chamber was filled to the unable problem that gets into the clearance between the adjacent anti-floating anchor rod of waterproof mortar has effectively been solved.
Drawings
FIG. 1 is a schematic diagram of a waterproof structure of an anti-floating anchor rod of a deep foundation pit;
fig. 2 is a sectional view of the waterproof structure shown in fig. 1.
Reference numerals: 1. fixing a sleeve; 11. a fixing plate; 12. positioning holes; 13. grouting holes; 14. a reinforcing bar; 2. An anti-floating anchor rod group; 3. a foundation; 4. mixing the base layer; 41. a concrete cushion; 42. a waterproof layer; 43. a concrete floor; 5. and a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an anti-floating anchor rod waterproof structure for a deep foundation pit comprises an anti-floating anchor rod group 2 and a mixed base layer 4 laid on a foundation 3, wherein the mixed base layer 4 comprises a concrete cushion layer 41, a waterproof layer 42 and a concrete bottom plate 43 which are laid in sequence, the anti-floating anchor rod group 2 is composed of at least three anchor rod ribs, each anchor rod rib is divided into a vertical part and a horizontal part, the horizontal parts of the anchor rod ribs of the anti-floating anchor rod group 2 are distributed in a radial shape, the mixed base layer 4 is provided with a through hole 5 extending to the foundation 3, the anti-floating anchor rod group 2 is sleeved with a fixed sleeve 1, the lower end of the anti-floating anchor rod group 2 penetrates through the through hole 5 and is inserted into the foundation 3, the fixed sleeve 1 is accommodated in the through hole 5, a fixed plate 11 is fixedly matched in the fixed sleeve 1, and the fixed plate; a grouting hole 13 is formed in the fixed plate 11, waterproof mortar is poured into the inner cavity of the fixed sleeve 1, and waterproof mortar is poured into a gap between the inner wall of the through hole 5 and the outer wall of the fixed sleeve 1; the upper end surface of the fixing sleeve 1 is not lower than the upper surface of the waterproof layer 42; a plurality of reinforcing rods 14 are uniformly distributed on the outer side wall of the fixed sleeve 1, and the reinforcing rods 14 are obliquely arranged on the outer side wall of the fixed sleeve 1; the inner walls of the upper end and the lower end of the fixed sleeve 1 are respectively fixedly matched with a fixed plate 11, the middle part of the fixed sleeve 1 is fixedly matched with the fixed plate 11 to form two grouting cavities, wherein the fixed plate 11 positioned at the upper end of the fixed sleeve 1 is provided with a grouting hole 13, grouting can be sequentially layered through the grouting holes 13, and the fixed plate 11 at the bottommost layer is not provided with the grouting hole 13;
as shown in fig. 2, a fixing plate 11 is fixedly fitted in the fixing sleeve 1, positioning holes 12 matched with the anchor bar bodies of the anti-floating anchor bar group 2 are formed in the fixing plate 11, the positioning holes 12 are uniformly distributed on the fixing plate 11 in an annular shape, and a space is formed between two adjacent positioning holes 12.
When the embodiment is used, the concrete cushion 41 needs to be poured on the foundation, the waterproof layer 42 is laid, the waterproof roll can be laid on the waterproof layer 42, and the concrete bottom plate 43 is poured on the waterproof layer 42, so that the waterproof effect is achieved. But when the anti-floating anchor rod needs to be laid to resist the buoyancy of the basement, the anchor rod needs to penetrate the foundation soil several meters to several tens of meters, so that the anchor rod needs to penetrate through the waterproof layer 42 to form a through hole penetrating the underground water net, the anti-floating anchor rod group 2 is sleeved on the fixing sleeve 1, the lower end of the anti-floating anchor rod group 2 penetrates through the through hole 5 and is inserted into the foundation 3, the fixing sleeve 1 is accommodated in the through hole 5, when the fixing plates 11 are fixedly matched on the inner walls of the upper end and the lower end of the fixing sleeve 1 respectively, a closed grouting cavity is formed between the two fixing plates 11, waterproof mortar is injected into the grouting cavity through the grouting hole 13 formed in the fixing plate 11 at the upper end, if necessary, the fixing plate 11 is fixedly matched in the middle part of the fixing sleeve 1 to form two closed grouting cavities, grouting is respectively performed through the grouting holes 13, after the grouting cavities are filled, waterproof mortar is injected into the gap between the inner wall of the through hole, and (5) continuing other construction work after the waterproof mortar is solidified.
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, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an anti anchor rod waterproof construction that floats of deep basal pit, include anti anchor rod group (2) and lay mixed basic unit (4) on ground (3), mix basic unit (4) including concrete cushion (41) that lay in proper order, waterproof layer (42) and concrete floor (43), anti anchor rod group (2) comprise three piece at least stock muscle bodies, the stock muscle body is vertical portion and horizontal part, and the horizontal part of each stock muscle body of anti anchor rod group (2) is radial distribution, characterized by: the mixed base layer (4) is provided with a vertical through hole (5) extending to a foundation (3), the anti-floating anchor rod group (2) is sleeved with a fixing sleeve (1), the lower end of the anti-floating anchor rod group (2) penetrates through the through hole (5) and is inserted into the foundation (3), the fixing sleeve (1) is accommodated in the through hole (5), a fixing plate (11) is fixedly matched in the fixing sleeve (1), and the fixing plate (11) is provided with a positioning hole (12) matched with an anchor rod rib body of the anti-floating anchor rod group (2); the fixed plate (11) is provided with a grouting hole (13), the inner cavity of the fixed sleeve (1) is filled with waterproof mortar, and the gap between the inner wall of the through hole (5) and the outer wall of the fixed sleeve (1) is filled with the waterproof mortar.
2. The deep foundation pit anti-floating anchor rod waterproof structure of claim 1, which is characterized in that: the upper end surface of the fixing sleeve (1) is not lower than the upper surface of the waterproof layer (42).
3. The deep foundation pit anti-floating anchor rod waterproof structure of claim 1, which is characterized in that: the positioning holes (12) are uniformly distributed on the fixing plate (11) in an annular shape, and a space is reserved between every two adjacent positioning holes (12).
4. The deep foundation pit anti-floating anchor rod waterproof structure of claim 1, which is characterized in that: the outer side wall of the fixed sleeve (1) is uniformly provided with a plurality of reinforcing rods (14).
5. The deep foundation pit anti-floating anchor rod waterproof structure of claim 4, wherein: the reinforcing rod (14) is obliquely arranged on the outer side wall of the fixed sleeve (1).
6. The deep foundation pit anti-floating anchor rod waterproof structure of claim 1, which is characterized in that: the inner walls of the upper end and the lower end of the fixed sleeve (1) are respectively fixedly matched with the fixed plate (11) to form a closed grouting cavity, wherein the fixed plate (11) positioned at the upper end of the fixed sleeve (1) is provided with a grouting hole (13).
7. The deep foundation pit anti-floating anchor rod waterproof structure of claim 6, wherein: the middle part of the fixed sleeve (1) is fixedly matched with the fixed plate (11) to form two closed grouting cavities, grouting can be sequentially conducted in a layered mode through the grouting holes (13), and the grouting holes (13) are not formed in the fixed plate (11) at the lower end.
8. The deep foundation pit anti-floating anchor rod waterproof structure of claim 7, wherein: the anti-floating anchor rod group (2) is three anchor rod ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178763.XU CN210827456U (en) | 2019-07-24 | 2019-07-24 | Deep basal pit anti-floating anchor rod waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178763.XU CN210827456U (en) | 2019-07-24 | 2019-07-24 | Deep basal pit anti-floating anchor rod waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210827456U true CN210827456U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921178763.XU Expired - Fee Related CN210827456U (en) | 2019-07-24 | 2019-07-24 | Deep basal pit anti-floating anchor rod waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210827456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094936A (en) * | 2022-07-13 | 2022-09-23 | 中建一局集团第一建筑有限公司 | Anti-floating reinforcing device for elevator shaft and water collecting shaft hoisting die and construction method |
-
2019
- 2019-07-24 CN CN201921178763.XU patent/CN210827456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094936A (en) * | 2022-07-13 | 2022-09-23 | 中建一局集团第一建筑有限公司 | Anti-floating reinforcing device for elevator shaft and water collecting shaft hoisting die and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |