CN220099888U - Anti-floating anchor rod waterproof structure - Google Patents

Anti-floating anchor rod waterproof structure Download PDF

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Publication number
CN220099888U
CN220099888U CN202320889333.9U CN202320889333U CN220099888U CN 220099888 U CN220099888 U CN 220099888U CN 202320889333 U CN202320889333 U CN 202320889333U CN 220099888 U CN220099888 U CN 220099888U
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China
Prior art keywords
water stop
steel pipe
galvanized
anchor rod
water
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CN202320889333.9U
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Chinese (zh)
Inventor
王攀
张良
李金强
王胜屹
裴建壮
郭瑞
梁锦全
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China Construction First Group Corp Ltd
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China Construction First Group Corp Ltd
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Abstract

The utility model relates to the technical field of building waterproofing, in particular to an anti-floating anchor rod waterproof structure. The anti-floating anchor rod waterproof structure comprises a galvanized water stop steel pipe, a water expansion water stop strip and a water stop seal; the bottom of the galvanized water stop steel pipe is positioned at the bottom of the round pit; the water-swelling water stop strip is adhered to the bottom end of the galvanized water stop steel pipe in the circumferential direction; the water stop seal is arranged in the round pit and is positioned at the outer side of the galvanized water stop steel pipe. The anti-floating anchor rod waterproof structure can prevent groundwater from upwards leaking.

Description

Anti-floating anchor rod waterproof structure
Technical Field
The utility model relates to the technical field of building waterproofing, in particular to an anti-floating anchor rod waterproof structure.
Background
Anti-floating anchors are the generic term for various pile types that resist upward displacement of a building, and unlike general foundation piles, anti-floating anchors have their own unique properties. When the depth of the building foundation is greater than the groundwater level, the building can be influenced by the buoyancy of the groundwater to generate floating, and the vertical displacement of the building caused by the buoyancy is offset by arranging an anti-floating anchor rod below the foundation slab in the prior art.
However, when the anchor rod is connected with the basement structure, due to structural design defects, water seepage hidden danger often exists, the later treatment difficulty is high, and repeated water seepage is possible.
In view of this, an anti-floating anchor waterproof structure capable of preventing groundwater from leaking upward has been proposed.
Disclosure of Invention
The utility model aims to provide an anti-floating anchor rod waterproof structure which can prevent underground water from leaking upwards.
The utility model provides an anti-floating anchor rod waterproof structure which comprises a round pit and an anchor rod hole which take the center point of an anchor rod as the center of a circle, and is characterized by comprising a galvanized water stop steel pipe, a water expansion water stop strip and a water stop seal;
the bottom of the galvanized water stop steel pipe is positioned at the bottom of the round pit;
the water-swelling water stop strip is adhered to the bottom end of the galvanized water stop steel pipe in the circumferential direction;
the water stop seal is arranged in the round pit and is positioned at the outer side of the galvanized water stop steel pipe.
Preferably, the top in the galvanized water stop steel pipe is filled with plugging materials.
Preferably, the anchor rod positioning device is arranged at the bottom of the anchor rod hole, and the anchor rod positioning device is provided with a grouting hole, a positioning groove and a positioning ring.
Preferably, the upper end of the galvanized water-stopping steel pipe is welded with a water-stopping steel plate.
Further preferably, the anti-floating anchor rod waterproof structure further comprises cushion layer concrete paved above the round pit, a bottom plate waterproof layer paved above the cushion layer concrete and bottom plate concrete paved above the bottom plate waterproof layer.
Further preferably, the galvanized water stop steel pipe comprises a bottom plate waterproof layer on the outer side, and the bottom plate waterproof layer extends to the water stop steel plate.
Further preferably, the elevation of the galvanized water stop steel pipe is 50cm higher than the top of the cushion layer concrete.
Preferably, the anchor rod positioner is made of prefabricated steel plates.
Further preferably, the plugging material is micro-expansion waterproof mortar.
Preferably, the water-stopping seal is made of a non-cured rubber asphalt waterproof paint.
The beneficial effects are that:
1. the waterproof performance of the bottom end of the galvanized water stop steel pipe is enhanced by the water-swelling water stop strip adhered to the bottom end of the galvanized water stop steel pipe in the circumferential direction.
2. The waterproof performance of the bottom of the galvanized water-stopping steel pipe is further enhanced by the water-stopping seal arranged in the circular pit at the outer side of the galvanized water-stopping steel pipe, and the stability of the waterproof structure of the anti-floating anchor rod is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic illustration of grouting according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the anchor positioner of the present utility model.
Reference numerals illustrate:
1: a water-swelling water stop strip; 2: sealing the water stop; 3: a bottom plate waterproof layer; 4: a plugging material; 5: a water-stopping steel plate; 6: a bolt; 7: galvanized water-stopping steel pipe; 8: cushion layer concrete;
9: an anchor rod positioner; 901: a positioning ring; 902: a positioning groove; 903: grouting holes;
10: grouting pipe; 11: the bottom plate is made of concrete; 12: and (5) pit.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 3, the utility model provides an anti-floating anchor rod waterproof structure, which comprises a galvanized water stop steel pipe 7, a water expansion water stop strip 1 and a water stop seal 2;
the bottom of the galvanized water stop steel pipe 7 is positioned at the bottom of the round pit 12;
the water-swelling water stop strip 1 is adhered to the bottom end of the galvanized water stop steel pipe 7 in the circumferential direction;
the water-stopping seal 2 is arranged in the circular pit 12 and is positioned outside the galvanized water-stopping steel pipe 7, and the water-stopping seal 2 is made of non-cured rubber asphalt waterproof paint.
The waterproof performance of the bottom end of the galvanized water stop steel pipe 7 is enhanced by the water-swelling water stop strip 1 adhered to the bottom end of the galvanized water stop steel pipe 7 in the circumferential direction.
The waterproof performance of the bottom of the galvanized water sealing steel pipe 7 is further enhanced through the water sealing seal 2 arranged in the circular pit 12 on the outer side of the galvanized water sealing steel pipe 7, and the stability of the anti-floating anchor rod waterproof structure is ensured.
Through the design of circular pit 12, for galvanized water sealing steel pipe 7 bottom provides great area of contact, strengthened galvanized water sealing steel pipe 7's steadiness.
The top in the galvanized water-stopping steel pipe 7 is filled with a plugging material 4, and the plugging material 4 is micro-expansion waterproof mortar. After grouting, the slurry at the top in the galvanized water stop steel pipe 7 is compact, and then the plugging material 4 is filled inwards, so that the underground water is prevented from leaking out of the upper part of the galvanized water stop steel pipe 7, and the waterproof performance of the anti-floating anchor rod structure is further enhanced.
The anti-floating anchor rod waterproof structure further comprises an anchor rod positioner 9 arranged at the bottom of the anchor rod hole, wherein the anchor rod positioner 9 is made of a prefabricated steel plate. The anchor rod positioner 9 is provided with a grouting hole 903, a positioning groove 902 and a positioning ring 901 which are connected into a whole to enable the anchor rod 6 to be centered and fixed.
The upper end of the galvanized water-stopping steel pipe 7 is welded with a water-stopping steel plate 5 which is arranged above the anchor rod hole.
The anti-floating anchor rod waterproof structure further comprises cushion concrete 8 paved above the round pit 12, a bottom plate waterproof layer 3 paved above the cushion concrete 8 and bottom plate concrete 11 paved above the bottom plate waterproof layer 3.
The waterproof layer 3 of the bottom plate is wrapped on the outer side of the galvanized water-stopping steel pipe 7 to the water-stopping steel plate 5. By the extending design of the bottom plate waterproof layer 3, the waterproof performance between the cushion layer concrete 8 and the bottom plate concrete 11 is enhanced.
The elevation of the galvanized water stop steel pipe 7 is 50cm higher than the top of the cushion concrete 8. By improving the height of the galvanized water stop steel pipe 7, free slurry supplementing can be realized, meanwhile, non-compact slurry is prevented from flowing back into the anchor rod hole, the top grouting compactness is improved through superfilling, the slurry compactness in the anchor rod hole is increased, and underground water is blocked from penetrating into a ground channel.
The construction method comprises the following steps:
step one: and (3) positioning the anchor rod 6 on the well-flattened building foundation and the foundation engineering field, and digging out a circular pit 12 by taking the central point of the anchor rod 6 as the center of a circle, wherein the upper caliber of the pit 12 is 400mm, the lower caliber is 250mm, and the gradient is 45 degrees.
Step two: putting the galvanized water-stop steel pipe 7 with the water-stop steel plate 5 into the pit 12, and sticking water-swelling water-stop strips 1 on the inner side and the outer side of the bottom of the galvanized water-stop steel pipe 7 in a circumferential direction, wherein the elevation of the galvanized water-stop steel pipe 7 is 50cm higher than the top of the cushion concrete 8.
Step three: and (3) pouring the water-stopping seal 2 into the pit 12 outside the galvanized water-stopping steel pipe 7, and pouring the pit 12 into the body. The water-stopping seal 2 used in this embodiment is made of a non-cured rubber asphalt waterproof paint.
Step four: and pouring cushion layer concrete 8, and drilling anchor rod holes.
Step five: the anchor rod 6 is fixed by an anchor rod positioner 9, a grouting pipe 10 is placed at the same time, the end head of the grouting pipe 10 is flush with the bottom of the hole, and the assembled anchor rod 6 is placed in the anchor rod hole.
Step six: grouting, namely grouting cement mortar into the anchor rod hole, and after grouting a certain amount of grout, pulling out the grouting pipe 10 along with grouting, so as to ensure that the grouting pipe 10 is below 2 meters on the grout surface.
Step seven: and stopping grouting, namely stopping grouting based on that the overflow slurry of the galvanized water stop steel pipe 7 is pure cement slurry, ensuring the compactness of the slurry at the top, and simultaneously, taking the overflow grouting part as an automatic slurry supplementing amount, so that the secondary slurry supplementing process is reduced.
Step eight: and (3) paving a bottom plate waterproof layer 3 above the bedding concrete 8 in the cleaning place, wherein the bottom plate waterproof layer 3 extends to the outside of the galvanized water-stopping steel pipe 7 and is wrapped to the water-stopping steel plate 5.
Step nine: the galvanized water-stopping steel pipe 7 is filled with the plugging material 4, and the plugging material 4 used in the embodiment is micro-expansion waterproof mortar. And binding the bottom plate steel bars and pouring bottom plate concrete 11.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The anti-floating anchor rod waterproof structure comprises a round pit and an anchor rod hole which take the center point of the anchor rod as the center, and is characterized by comprising a galvanized water stop steel pipe, a water expansion water stop strip and a water stop seal;
the bottom of the galvanized water stop steel pipe is positioned at the bottom of the round pit;
the water-swelling water stop strip is adhered to the bottom end of the galvanized water stop steel pipe in the circumferential direction;
the water stop seal is arranged in the round pit and is positioned at the outer side of the galvanized water stop steel pipe.
2. The anti-floating anchor waterproof structure according to claim 1, wherein the top in the galvanized water stop steel pipe is filled with a plugging material.
3. The anti-floating anchor waterproof structure according to claim 1, further comprising an anchor rod positioner arranged at the bottom of the anchor rod hole, wherein the anchor rod positioner is provided with a grouting hole, a positioning groove and a positioning ring.
4. The anti-floating anchor waterproof structure according to claim 1, wherein a water stop steel plate is welded at the upper end of the galvanized water stop steel pipe.
5. The anti-floating anchor waterproof structure according to claim 4, further comprising cushion concrete laid over the circular pit, a floor waterproof layer laid over the cushion concrete, and a floor concrete laid over the floor waterproof layer.
6. The anti-floating anchor waterproof structure according to claim 5, wherein the galvanized water stop steel pipe comprises the bottom plate waterproof layer on the outer side, and the bottom plate waterproof layer extends to the water stop steel plate.
7. The anti-floating anchor waterproof structure according to claim 5, wherein the elevation of the galvanized water stop steel pipe is 50cm higher than the top of the bedding concrete.
8. A water resistant construction for an anti-floating anchor according to claim 3, wherein the anchor locator is formed of a prefabricated steel plate.
9. The anti-floating anchor waterproof structure according to claim 2, wherein the plugging material is micro-expansion waterproof mortar.
10. The anti-floating anchor waterproof structure according to claim 1, wherein the water-stop seal is made of a non-cured rubber asphalt waterproof paint.
CN202320889333.9U 2023-04-19 2023-04-19 Anti-floating anchor rod waterproof structure Active CN220099888U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320889333.9U CN220099888U (en) 2023-04-19 2023-04-19 Anti-floating anchor rod waterproof structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320889333.9U CN220099888U (en) 2023-04-19 2023-04-19 Anti-floating anchor rod waterproof structure

Publications (1)

Publication Number Publication Date
CN220099888U true CN220099888U (en) 2023-11-28

Family

ID=88868631

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320889333.9U Active CN220099888U (en) 2023-04-19 2023-04-19 Anti-floating anchor rod waterproof structure

Country Status (1)

Country Link
CN (1) CN220099888U (en)

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