CN219621839U - Waterproof structure of anti-floating anchor rod end - Google Patents
Waterproof structure of anti-floating anchor rod end Download PDFInfo
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- CN219621839U CN219621839U CN202321304804.1U CN202321304804U CN219621839U CN 219621839 U CN219621839 U CN 219621839U CN 202321304804 U CN202321304804 U CN 202321304804U CN 219621839 U CN219621839 U CN 219621839U
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Abstract
The utility model discloses an anti-floating anchor rod end waterproof structure which comprises an anchor rod sleeve (1), an anti-floating anchor rod (2), a cushion layer (3), a first waterproof layer (4) and a second waterproof layer (5); the anchor rod sleeve is arranged at an anti-floating anchor rod mounting hole of the groove body, and the cushion layer is constructed at the bottom of the groove body, so that the anchor rod sleeve is pre-buried in the cushion layer; the anchor rod steel bar (201) penetrates through the anchor rod sleeve, the anchor rod steel bar is downwards inserted into the groove body and forms an anti-floating anchor rod through the grouting body, and the upper end of the anchor rod steel bar upwards extends to the upper part of the cushion layer; the upper portion of bed course is formed with first waterproof layer, and first waterproof layer encircles around the upper end of stock reinforcing bar, and the second waterproof layer construction is on the top surface of first waterproof layer and the top surface of bed course, and the second waterproof layer parcel is on the upper end outer wall of stock reinforcing bar. The utility model can solve the problems of long construction period and hidden danger of water leakage quality in the prior art.
Description
Technical Field
The utility model relates to an underground engineering waterproof construction structure, in particular to an anti-floating anchor rod end waterproof structure.
Background
At present, the anti-floating anchor rod is increasingly applied in underground engineering, and in the process of water prevention of the bottom plate, the treatment of the junction part of the end part of the anti-floating anchor rod and the bedding surface is an important node related to the water prevention effect of the bottom plate of the basement, and is also a serious hidden danger of water leakage of the bottom plate of the basement.
The conventional construction method for the anti-floating anchor rod construction is as follows: when the earthwork is dug to the reserved soil position of the bottom of the tank, positioning and paying off are used for determining the position of the anti-floating anchor rod and drilling construction, then an anchor rod is constructed, the tank is cleaned after the anchor rod construction is completed, a cushion layer is poured after the tank inspection is completed, then the cushion layer is subjected to bottom plate waterproof layer construction, and meanwhile waterproof treatment is carried out on the end head of the anti-floating anchor rod (the end head after treatment is more convex). The conventional construction method of the anti-floating anchor rod has the following defects:
1. the soil body at the bottom of the tank needs to be excavated twice, so that the temporary shutdown of the earthwork excavation engineering is caused, the secondary approach is required, the working procedures such as tank cleaning and anchor rod construction are easily affected by rainy days, the construction cannot be performed, the construction is performed after the airing, and the whole construction period is relatively long.
2. The end of the anti-floating anchor rod positioned at the junction of the top surface of the cushion layer is convex after being wrapped by the waterproof material, so that the anti-floating anchor rod is easily damaged by the construction of the subsequent process, the hidden danger of water leakage quality is caused, the wrapping position of the waterproof material is protected by paving a fine stone protection layer, and the construction period is further prolonged.
3. The drilling has larger disturbance to undisturbed soil, which may cause cracking risk of the cushion layer and cause hidden trouble of water leakage quality.
Therefore, it is necessary to provide a waterproof structure of the end of the anti-floating anchor rod, which can solve the problems of long construction period and hidden danger of water leakage quality in the prior art.
Disclosure of Invention
The utility model aims to provide an anti-floating anchor rod end head waterproof structure which can solve the problems of long construction period and hidden danger of water leakage quality in the prior art.
The utility model is realized in the following way:
the water-proof structure of the end of the anti-floating anchor rod comprises an anchor rod sleeve, an anti-floating anchor rod, a cushion layer, a first water-proof layer and a second water-proof layer; the anchor rod sleeve is arranged at an anti-floating anchor rod mounting hole of the groove body, and the cushion layer is constructed at the bottom of the groove body, so that the anchor rod sleeve is pre-buried in the cushion layer; the anchor rod reinforcing steel bar penetrates through the anchor rod sleeve, the anchor rod reinforcing steel bar is downwards inserted into the groove body and forms an anti-floating anchor rod through the grouting body, and the upper end of the anchor rod reinforcing steel bar upwards extends to the upper side of the cushion layer; the upper portion of bed course is formed with first waterproof layer, and first waterproof layer encircles around the upper end of stock reinforcing bar, and the second waterproof layer construction is on the top surface of first waterproof layer and the top surface of bed course, and the second waterproof layer parcel is on the upper end outer wall of stock reinforcing bar.
The upper portion of bed course set up the waterproof groove of sinking, waterproof material fills in the waterproof groove and forms first waterproof layer, the top surface of first waterproof layer flushes with the top surface of bed course.
The first waterproof layer is of a trapezoid-shaped structure with a wide upper part and a narrow lower part, the bottom width of the first waterproof layer is larger than the outer diameter of the anchor rod sleeve, and the depth of the first waterproof layer is smaller than the thickness of the cushion layer.
The depth of the first waterproof layer is 5cm.
The inner diameter of the anchor rod sleeve is consistent with the diameter of the anti-floating anchor rod.
The anchor rod sleeve, the anchor rod reinforcing steel bars and the first waterproof layer are coaxially arranged.
The anchor rod sleeve is filled with backfill, and anchor rod reinforcing steel bars penetrate through the backfill in the anchor rod sleeve through drilling holes.
The second waterproof layer include waterproof coating, additional waterproofing membrane layer and waterproofing membrane layer, waterproof coating coats on the top surface of first waterproof layer, the top surface of bed course and on the upper end outer wall of stock reinforcing bar, additional waterproofing membrane layer is laid on waterproof coating and is extended to the upper end outer wall of stock reinforcing bar, the second waterproofing membrane layer is laid on waterproof coating and additional waterproofing membrane layer and is extended to the upper end outer wall of stock reinforcing bar.
Compared with the prior art, the utility model has the following beneficial effects:
1. the first waterproof layer and the second waterproof layer are arranged, so that the first waterproof layer formed by waterproof materials can be filled in the sunken waterproof groove, the waterproof materials are combined with concrete slurry of the cushion layer and effectively wrapped at the upper end of the anchor rod reinforcing steel bar, and the problem that the waterproof materials wrapped at the end part of the anchor rod reinforcing steel bar above the cushion layer are easy to damage in later construction procedures is avoided; through laying of second waterproof layer on the upper end outer wall of bed course, first waterproof layer and stock reinforcing bar, form dual waterproof measure, effectively guaranteed the waterproof performance of stock reinforcing bar tip, avoided seepage quality problem.
2. The anchor rod sleeve is arranged, so that the anchor rod sleeve can be reserved at the mounting hole of the anti-floating anchor rod, the cushion layer can be constructed before the anti-floating anchor rod, the earth excavation and the groove cleaning can be completed at one time, the construction period is shortened, and the influence of a rainy season on the construction progress is reduced; meanwhile, the anti-floating anchor rod is constructed by drilling holes in the anchor rod sleeve, so that disturbance of drilling holes to undisturbed soil is reduced, and the problems of cushion cracking and leakage caused by the cushion cracking are prevented, and the construction quality is improved.
Drawings
FIG. 1 is a cross-sectional view of a waterproof construction of the end of an anti-floating anchor rod of the present utility model.
In the figure, 1 stock sleeve, 2 anti-floating anchor, 201 stock reinforcing bar, 3 bed course, 301 waterproof groove, 4 first waterproof layer, 5 second waterproof layer, 501 waterproof coating, 502 additional waterproofing membrane layer, 503 waterproofing membrane layer, 6 backfill.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1, an anti-floating anchor rod end waterproof structure comprises an anchor rod sleeve 1, an anti-floating anchor rod 2, a cushion layer 3, a first waterproof layer 4 and a second waterproof layer 5; the anchor rod sleeve 1 is arranged at an anti-floating anchor rod mounting hole of the tank body, and the cushion layer 3 is constructed at the bottom of the tank body, so that the anchor rod sleeve 1 is pre-buried in the cushion layer 3; the anchor bar 201 penetrates through the anchor sleeve 1, the anchor bar 201 is inserted downwards into the groove body and forms an anti-floating anchor 2 through the grouting body, and the upper end of the anchor bar 201 extends upwards to the upper side of the cushion layer 3; the upper portion of bed course 3 is formed with first waterproof layer 4, and first waterproof layer 4 encircles around the upper end of stock reinforcing bar 201, and second waterproof layer 5 is under construction on the top surface of first waterproof layer 4 and the top surface of bed course 3, and second waterproof layer 5 parcel is on the upper end outer wall of stock reinforcing bar 201.
Through reservation of stock sleeve 1 in anti-floating anchor installation drill way department, can construct cushion layer 3 earlier and then construct anti-floating stock 2 to make earth excavation and clear groove operation can once only accomplish, compare traditional secondary excavation and clear groove construction methods, can shorten whole time limit for a project, and the technology is environmental protection relatively, reduces the influence of rainy season to the construction progress.
When the anti-floating anchor rod 2 is constructed, the anchor rod sleeve 1 is directly drilled, and the disturbance of drilling to undisturbed soil is reduced through the arrangement of the anchor rod sleeve 1, so that the occurrence of cracking of the cushion layer 3 is reduced, the construction efficiency can be improved to a certain extent, the labor input is reduced, the materials are saved, and the cost is reduced.
After the construction of the anti-floating anchor rod 2 is completed, an effective waterproof effect is achieved through double waterproof measures of the first waterproof layer 4 and the second waterproof layer 5, and the occurrence of the conditions of corrosion and the like of the end part of the anchor rod reinforcing steel bar 201 is reduced.
The upper portion of bed course 3 set up the waterproof groove 301 of sinking, waterproof material fills in waterproof groove 301 and forms first waterproof layer 4, the top surface of first waterproof layer 4 flushes with the top surface of bed course 3.
The sinking type structure of the waterproof groove 301 can adopt a bowl-shaped waterproof way, after being filled with waterproof materials, the waterproof materials can be effectively wrapped at the end part of the anchor bar 201, the wrapping area of the waterproof materials on the anchor bar 201 is large, water can be effectively prevented from penetrating into the first waterproof layer 4, the water leakage quality problem of the end part of the anchor bar 201 is avoided, and the anchor bar 201 can be prevented from being corroded.
The first waterproof layer 4 is of a trapezoid-shaped structure with a wide upper part and a narrow lower part, the width of the bottom of the first waterproof layer 4 is larger than the outer diameter of the anchor rod sleeve 1, the depth of the first waterproof layer 4 is smaller than the thickness of the cushion layer 3, and the effective wrapping of waterproof materials on the anchor rod reinforcing steel bars 201 is further guaranteed.
Preferably, the depth of the first waterproof layer 4 is 5cm, and the depth of the first waterproof layer 4 can be adjusted according to practical requirements.
The inner diameter of the anchor rod sleeve 1 is consistent with the diameter of the anti-floating anchor rod 2, so that the positioning construction of the anti-floating anchor rod 2 is facilitated.
The anchor rod sleeve 1, the anchor rod reinforcing steel bar 201 and the first waterproof layer 4 are coaxially arranged, so that the construction precision of the anti-floating anchor rod 2 and the waterproof performance of the end part of the anchor rod reinforcing steel bar 201 are ensured.
The anchor rod sleeve 1 is filled with backfill soil 6, anchor rod steel bars 201 penetrate through the backfill soil 6 in the anchor rod sleeve 1 through drilling holes, and the anchor rod sleeve 1 can be prevented from shifting when the cushion layer 3 is poured.
The second waterproof layer 5 comprises a waterproof coating 501, an additional waterproof coiled material layer 502 and a waterproof coiled material layer 503, wherein the waterproof coating 501 is coated on the top surface of the first waterproof layer 4, the top surface of the cushion layer 3 and the upper outer wall of the anchor rod reinforcing steel bar 201, the additional waterproof coiled material layer 502 is paved on the waterproof coating 501 and extends to the upper outer wall of the anchor rod reinforcing steel bar 201, and the second waterproof coiled material layer 503 is paved on the waterproof coating 501 and the additional waterproof coiled material layer 502 and extends to the upper outer wall of the anchor rod reinforcing steel bar 201.
By the application of the waterproof coating 501 and the laying of the waterproof roll layer 503, a double waterproof effect is achieved, and at the same time, the waterproof performance between the upper end of the anchor bar reinforcing bar 201 and the first waterproof layer 4 is enhanced by the laying of the additional waterproof roll layer 502. By the arrangement of the first waterproof layer 4 and the waterproof coating 501, the laying thickness of the waterproof roll layer 503 can be reduced, thereby avoiding the damage of the raised waterproof structure by the subsequent construction. Preferably, the height of the waterproof coiled material layer 503 wrapped on the anchor bar steel bar 201 is 5cm, and one layer or two layers of waterproof coiled material layer 503 can be paved according to actual requirements.
Referring to fig. 1, the construction method of the present utility model comprises:
and after earth excavation and groove cleaning are carried out until the substrate elevation, positioning and paying-off of the anti-floating anchor rod 2 are carried out, the position of the installation orifice of the anti-floating anchor rod 2 is paid out on the surface of the groove cleaning substrate according to the construction drawing of the anti-floating anchor rod 2, and the center point is marked.
The PVC pipe with the same diameter as the anti-floating anchor rod 2 is used as the anchor rod sleeve 1, the PVC pipe is preset at the installation hole of the anti-floating anchor rod, then the cushion layer 3 around the anchor rod sleeve 1 is poured, and at the moment, the upper end of the anchor rod sleeve 1 is slightly higher than the elevation of the cushion layer 3. The cushion layer 3 can be poured by concrete in the prior art, and disturbance to the anchor rod sleeve 1 should be avoided in the pouring process, so that the anchor rod sleeve 1 is prevented from misplacement to influence the construction of the anti-floating anchor rod 2.
After the cushion layer 3 reaches a certain strength, a long spiral anchor rod drilling machine with the model specification of SF558 is adopted to directly drill holes in the anchor rod sleeve 1 to the depth required by design and specification, anchor rod steel bars 201 are arranged after the holes are formed, and grouting is carried out to form an anti-floating anchor rod 2, wherein the anti-floating anchor rod 2 is grouted to the top elevation of the cushion layer 3.
After the concrete at the end of the anchor rod reinforced bar 201 of the anti-floating anchor rod 2 is solidified, removing the slurry at the upper part by 5cm, cutting off the anchor rod sleeve 1 with corresponding height, forming a trapezoidal bowl-shaped waterproof groove 301 with wide upper part and narrow lower part, and embedding non-solidified asphalt waterproof material in the waterproof groove 301 as waterproof material, so that the waterproof material is tightly combined with the concrete slurry of the cushion layer 3 to form a first waterproof layer 4, and the first waterproof layer 4 forms an effective package with the height of 5cm for the anchor rod reinforced bar 201 so as to strengthen the bond protection for the anchor rod reinforced bar 201, thereby preventing the end part of the anchor rod reinforced bar 201 from being corroded, and preventing underground water from entering the first waterproof layer 4 along the anchor rod reinforced bar 201.
A second waterproof layer 5 is applied over the mat layer 3 and the first waterproof layer 4. The waterproof coating 501 can be made of non-cured rubber asphalt waterproof paint, the top surface of the first waterproof layer 4, the top surface of the cushion layer 3 and the upper end surface of the anchor bar 201 are painted and primed, then an additional waterproof roll layer 502 is paved and attached, then a waterproof roll layer 503 is paved and attached in a large area, the additional waterproof roll layer 502 and the waterproof roll layer 503 can be made of SBS waterproof rolls in the prior art, and the SBS waterproof rolls are tightly closed at the upper end position of the anchor bar 201 so as to ensure waterproof effect.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. An anti-floating anchor rod end waterproof construction, characterized by: comprises an anchor rod sleeve (1), an anti-floating anchor rod (2), a cushion layer (3), a first waterproof layer (4) and a second waterproof layer (5); the anchor rod sleeve (1) is arranged at an anti-floating anchor rod mounting hole of the tank body, and the cushion layer (3) is constructed at the bottom of the tank body, so that the anchor rod sleeve (1) is pre-buried in the cushion layer (3); the anchor rod steel bar (201) penetrates through the anchor rod sleeve (1), the anchor rod steel bar (201) is downwards inserted into the groove body and forms an anti-floating anchor rod (2) through the grouting body, and the upper end of the anchor rod steel bar (201) upwards extends to the upper part of the cushion layer (3); the upper portion of bed course (3) is formed with first waterproof layer (4), and first waterproof layer (4) encircle around the upper end of stock reinforcing bar (201), and second waterproof layer (5) are under construction on the top surface of first waterproof layer (4) and the top surface of bed course (3), and second waterproof layer (5) parcel is on the upper end outer wall of stock reinforcing bar (201).
2. The anti-floating anchor rod end waterproof construction according to claim 1, characterized in that: the upper portion of bed course (3) set up waterproof groove (301) of sinking, waterproof material fills in waterproof groove (301) and forms first waterproof layer (4), the top surface of first waterproof layer (4) flushes with the top surface of bed course (3).
3. The anti-floating anchor rod end waterproof construction according to claim 1 or 2, characterized in that: the first waterproof layer (4) is of a trapezoid table structure with a wide upper part and a narrow lower part, the bottom width of the first waterproof layer (4) is larger than the outer diameter of the anchor rod sleeve (1), and the depth of the first waterproof layer (4) is smaller than the thickness of the cushion layer (3).
4. A water resistant construction for an end of an anti-floating anchor rod as claimed in claim 3, wherein: the depth of the first waterproof layer (4) is 5cm.
5. The anti-floating anchor rod end waterproof construction according to claim 1, characterized in that: the inner diameter of the anchor rod sleeve (1) is consistent with the diameter of the anti-floating anchor rod (2).
6. The anti-floating anchor rod end waterproof construction according to claim 1, characterized in that: the anchor rod sleeve (1), the anchor rod reinforcing steel bars (201) and the first waterproof layer (4) are coaxially arranged.
7. The anti-floating anchor rod end waterproof construction according to claim 1, 5 or 6, characterized in that: the anchor rod sleeve (1) is filled with backfill soil (6), and anchor rod steel bars (201) penetrate through the backfill soil (6) in the anchor rod sleeve (1) through drilling holes.
8. The anti-floating anchor rod end waterproof construction according to claim 1, characterized in that: the second waterproof layer (5) include waterproof coating (501), additional waterproofing membrane layer (502) and waterproofing membrane layer (503), waterproof coating (501) coating is on the top surface of first waterproof layer (4), the top surface of bed course (3) and on the upper end outer wall of stock reinforcing bar (201), additional waterproofing membrane layer (502) are laid on waterproof coating (501) and are extended to on the upper end outer wall of stock reinforcing bar (201), second waterproofing membrane layer (503) are laid on waterproof coating (501) and additional waterproofing membrane layer (502) and are extended to on the upper end outer wall of stock reinforcing bar (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304804.1U CN219621839U (en) | 2023-05-26 | 2023-05-26 | Waterproof structure of anti-floating anchor rod end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304804.1U CN219621839U (en) | 2023-05-26 | 2023-05-26 | Waterproof structure of anti-floating anchor rod end |
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| Publication Number | Publication Date |
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| CN219621839U true CN219621839U (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321304804.1U Active CN219621839U (en) | 2023-05-26 | 2023-05-26 | Waterproof structure of anti-floating anchor rod end |
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| CN (1) | CN219621839U (en) |
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2023
- 2023-05-26 CN CN202321304804.1U patent/CN219621839U/en active Active
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