CN211113784U - Waterproof sealing structure of anti-floating anchor rod - Google Patents

Waterproof sealing structure of anti-floating anchor rod Download PDF

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Publication number
CN211113784U
CN211113784U CN201921450891.5U CN201921450891U CN211113784U CN 211113784 U CN211113784 U CN 211113784U CN 201921450891 U CN201921450891 U CN 201921450891U CN 211113784 U CN211113784 U CN 211113784U
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layer
waterproof
anchor rod
waterproof layer
groove
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杨朝
侯建伟
彭方灵
胡京波
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Beijing Oriental Yuhong Waterproof Engineering Co ltd
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Beijing Oriental Yuhong Waterproof Engineering Co ltd
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Abstract

The utility model belongs to the technical field of it is waterproof, concretely relates to anti-floating anchor rod waterproof sealing structure, include: the structural layer comprises a bearing layer, a concrete cushion layer, a first waterproof layer, a second waterproof layer and a structural bottom plate; the concrete cushion layer is arranged on the bearing layer, and the upper surface of the concrete cushion layer is provided with a groove; the first waterproof layer is filled in the groove; the second waterproof layer is provided with an open area at the groove, and the second waterproof layer at the periphery of the open area is lapped on the first waterproof layer; the lower end of the anchor rod pile is vertically inserted into the bearing layer, the upper end of the anchor rod pile is arranged in the concrete cushion layer, and the top surface of the anchor rod pile is positioned on the bottom surface of the groove; and the anti-floating anchor rod is inserted into the anchor rod pile, and the upper end of the anti-floating anchor rod penetrates through the first waterproof layer and permeates into the structural bottom plate from the round hole. The structure enables the weak point of the anti-floating anchor rod with the fortification to have super strong sealing effect, thereby ensuring that the node is not leaked during building construction and use, and forming a continuous and closed underground waterproof system.

Description

Waterproof sealing structure of anti-floating anchor rod
Technical Field
The utility model belongs to the technical field of it is waterproof, concretely relates to waterproof sealing structure of anti-floating anchor rod.
Background
An anti-floating anchor rod is one of anti-floating measures of an underground structure of a building engineering, and is connected with a foundation through a rod piece such as a steel bar and the like to enable an anti-pulling pile body to bear tension. In the actual construction process, the design of the anti-floating anchor rod on the bottom plate of the basement is a common phenomenon, and because the national standard and the national drawing concentrate on the method of not designing the anti-floating anchor rod, a design institute generally designs the anti-floating anchor rod according to the method of a pile head. However, the anti-floating anchor rod is mainly used for balancing part of buoyancy brought by underground water, stress is also transferred from the pile top to the pile bottom, and the stress of the pile body changes along with the change of the underground water level. Therefore, the anti-floating anchor rod needs to penetrate through the waterproof layer to play a role in resisting pulling, and leakage water can enter the foundation along the anchor rod to cause leakage.
Chinese patent document CN103821144A discloses a waterproof structure of anti-floating anchor rod and its construction method, the technical scheme includes: a laid base mat layer; the anti-floating anchor rods penetrate through the foundation cushion layer and are vertically fixed; and the water stopping steel sheet is fixedly connected with the anti-floating anchor rod in a sleeved mode and is positioned in the foundation cushion layer. However, the above-mentioned waterproof structure for the anti-floating anchor has the following problems:
1) the foundation pad layer is used as a temporary structural layer, adopts low-grade concrete, has limited thickness and has no anti-seepage effect. In the utility model, the water-stopping steel sheet which is an important waterproof component is positioned in the height range of the bed course, so that the underground water can easily corrode the anchor rod through the foundation bed course and even enter the raft structure along the anchor rod, and the water-stopping sheet is the same as the nominal sheet;
2) the number of the anti-floating anchor rods can be 1, 2 or even more due to the difference of geological conditions, the steel bars are mainly made of materials of the anti-floating anchor rods, the interface is similar to a circle, the anchor rods are sleeved together by the water stop steel sheets, gaps are inevitably generated among the anchor rods, the gaps generated on the periphery can be blocked in a welding mode, but the gaps inside the anchor rods are difficult to block in a welding mode, and the hidden danger of leakage is formed;
3) the structure does not explain how to ensure the continuity and the sealing of the waterproof layer and the anti-floating anchor rod when the waterproof layer and the anti-floating anchor rod are connected.
Therefore, not enough more than, the utility model discloses the urgent need provides a waterproof sealing structure of anti-floating anchor pole to solve the waterproof problem of anti-floating anchor pole.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof sealing structure of anti-floating anchor to solve among the prior art anti-floating anchor not enough problem in waterproof aspect.
The utility model provides a waterproof sealing structure of anti-floating anchor rod, include: the structural layer comprises a bearing layer, a concrete cushion layer, a first waterproof layer, a second waterproof layer and a structural bottom plate; the concrete cushion layer is arranged on the bearing layer, and the upper surface of the concrete cushion layer is provided with a groove; the first waterproof layer is made of waterproof paint and is filled in the groove; the second waterproof layer is arranged above the concrete cushion layer, an open area is formed at the groove, and the edge of the open area is positioned on the first waterproof layer; the structural bottom plate is arranged on the second waterproof layer; the lower end of the anchor rod pile is vertically inserted into the bearing layer, the upper end of the anchor rod pile is arranged in the concrete cushion layer, and the top surface of the anchor rod pile is positioned on the bottom surface of the groove; and the anti-floating anchor rod is inserted into the anchor rod pile, and the upper end of the anti-floating anchor rod penetrates through the first waterproof layer and extends into the structural bottom plate from the open area.
The waterproof sealing structure of the anti-floating anchor rod further preferably further comprises a third waterproof layer, wherein the third waterproof layer is made of waterproof paint and coated on the first waterproof layer, and the edge of the third waterproof layer is lapped on the second waterproof layer.
In the waterproof and sealing structure of an anti-floating anchor rod, it is further preferable that the overlapping width of the first waterproof layer and the second waterproof layer is 150mm or more; and the overlapping width of the second waterproof layer and the third waterproof layer is more than or equal to 50 mm.
In the waterproof and sealing structure of the anti-floating anchor rod, it is further preferable that both the first waterproof layer and the third waterproof layer are made of TZH special type non-cured rubber asphalt waterproof paint.
The waterproof sealing structure of the anti-floating anchor rod further preferably further comprises an isolation layer, wherein the isolation layer is arranged between the structure bottom plate and the third waterproof layer, and the edge of the isolation layer covers the second waterproof layer and is suitable for isolating the second waterproof layer, the third waterproof layer and the structure bottom plate.
In the waterproof and sealing structure of the anti-floating anchor as described above, it is further preferable that the isolation layer is a nonwoven fabric.
The waterproof and sealing structure of the anti-floating anchor rod further preferably further comprises a concrete protective layer, wherein the concrete protective layer is arranged between the isolation layer and the structural bottom plate and is suitable for protection.
In the waterproof sealing structure of the anti-floating anchor rod, preferably, the groove is in a circular truncated cone shape, and the area of the notch of the groove is larger than the area of the groove bottom; the area of the groove bottom of the groove is larger than that of the top surface of the anchor rod pile.
In the waterproof sealing structure of an anti-floating anchor as described above, it is further preferable that the height of the groove is 50mm or more.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a waterproof sealing structure of anti-floating anchor rod includes structural layer, stock stake and anti-floating anchor rod, wherein the structural layer includes holding power layer, concrete cushion, first waterproof layer, second waterproof layer and structure bottom plate again, and wherein the first waterproof layer is waterproof coating, sets up the recess that is used for filling first waterproof layer in the concrete cushion, and the second waterproof layer forms open area in the recess department, and the edge in open area is located first waterproof layer, realizes the overlap joint with first waterproof layer; the upper end of the anti-floating anchor inserted in the anchor pile penetrates through the first waterproof layer and penetrates into the structural slab from the open area above the groove. The arrangement of the structure makes full use of the characteristics of waterproof paint, and the waterproof first waterproof layer of the anchor pile is effectively combined with the waterproof second waterproof layer of the structural bottom plate, so that the weak point of the defense of the anti-floating anchor rod has an ultra-strong sealing effect, the node is ensured to be not leaked during the building construction and use, and a continuous and closed underground waterproof system meeting the defense level requirement is finally formed.
Drawings
Fig. 1 is the utility model discloses well anti-floating anchor's waterproof sealing structure's section structure schematic diagram.
Description of reference numerals:
1-bearing layer, 2-concrete cushion layer, 3-first waterproof layer, 4-second waterproof layer, 5-structural bottom plate, 6-groove, 7-third waterproof layer, 8-anchor pile, 9-anti-floating anchor rod, 10-isolation layer and 11-concrete protective layer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the waterproof sealing structure of the anti-floating anchor rod disclosed in the present embodiment includes: the structural layer comprises a supporting layer 1, a concrete cushion layer 2, a first waterproof layer 3, a second waterproof layer 4 and a structural bottom plate 5; the concrete cushion layer 2 is arranged on the bearing layer 1, and the upper surface of the concrete cushion layer is provided with a groove 6; the first waterproof layer 3 is made of waterproof paint and is filled in the groove 6; the second waterproof layer 4 is arranged above the concrete cushion layer 2, an open area is formed at the groove 6, and the edge of the open area is positioned on the first waterproof layer 3; the structural bottom plate 5 is arranged on the second waterproof layer 4; the lower end of the anchor rod pile 8 is vertically inserted into the supporting layer 1, the upper end of the anchor rod pile 8 is arranged in the concrete cushion layer 2, and the top surface of the anchor rod pile is positioned on the bottom surface of the groove 6; and the anti-floating anchor rod 9 is inserted into the anchor rod pile 8, and the upper end of the anti-floating anchor rod 9 penetrates through the first waterproof layer 3 and extends into the structural bottom plate 5 from the open hole. In the above structure, the material of the second waterproof layer may be selected as long as it meets the relevant regulations of GB50108, for example, a waterproof roll material may be selected, and during actual construction, the second waterproof roll material is directly folded at the root of the anti-floating anchor rod, so as to form an open area above the groove, and the edge of the open area is located on the first waterproof layer 3, that is, the second waterproof layer at the edge of the open area overlaps and overlaps the first waterproof layer. The arrangement of the structure makes full use of the characteristics of waterproof paint, and the waterproof first waterproof layer 3 for the anchor pile 8 is effectively combined with the waterproof second waterproof layer 4 for the structural bottom plate 5, so that the weak point of the defense of the anti-floating anchor 9 has a super-strong sealing effect, the node is ensured not to leak during the building construction and use, and a continuous and closed underground waterproof system meeting the defense level requirement is finally formed.
As a preferred real-time mode of this embodiment, further, the waterproof sealing structure of anti-floating anchor rod still includes third waterproof layer 7, third waterproof layer 7 is water proof coating to coat in on the first waterproof layer 3, and the edge overlap joint on the second waterproofing membrane. Preferably, the first waterproof layer 3 and the third waterproof layer 7 both adopt TZH special type non-cured rubber asphalt waterproof paint. The use of fluid structure's water proof coating for the joint position homoenergetic overlap joint of first waterproof layer and second waterproof layer, second waterproof layer and third waterproof layer covers, forms waterproof closed loop, improves the joint strength who connects the joint position.
As a preferred real-time mode of this embodiment, further, the waterproof sealing structure of the anti-floating anchor rod further includes an isolation layer 10, the isolation layer 10 is disposed between the structural bottom plate 5 and the third water-proof layer 7, and the edge covers the second waterproof layer 4, and is suitable for isolating the second waterproof layer 4, the third water-proof layer 7 and the structural bottom plate 5. The waterproof coating is a non-curing waterproof material, is high-temperature and tricky during construction, and is very easy to adhere to other materials during subsequent process construction if the surface is not isolated and protected, and the sealing operation can be directly failed due to forced dragging after adhesion, so the isolating layer 10 is arranged. Further, the separation layer 10 is preferably a nonwoven fabric.
As a preferable real-time mode of this embodiment, further, the waterproof sealing structure of the anti-floating anchor rod further includes a concrete protective layer 11, and the concrete protective layer 11 is disposed between the isolation layer 10 and the structural bottom plate 5 and is suitable for protection. In this embodiment, concrete protective layer 11 and structure bottom plate are concrete placement and form, nevertheless compare in the structure bottom plate, and the grit specification that uses in the concrete protective layer 11 is less, and then avoids appearing the closed angle and destroys third waterproof layer and second waterproof layer.
As a preferable real-time mode of the embodiment, further, the groove 6 is in a circular truncated cone shape, and an area of a notch of the groove 6 is larger than an area of a bottom of the lower groove; the area of the groove bottom of the groove 6 is larger than that of the top surface of the anchor rod pile 8. The arrangement of the structure is suitable for completely wrapping the top surface of the anchor rod pile by the first waterproof layer, and the root of the anti-floating anchor rod is prevented from being infiltrated by underground water.
As a preferable real-time mode of this embodiment, further, the overlapping width of the first waterproof layer 3 and the second waterproof layer 4 is greater than or equal to 150 mm; the overlapping width of the second waterproof layer 4 and the third waterproof layer 7 is more than or equal to 50 mm. The limitation of the lap joint width is suitable for ensuring the connection strength of the upper layer and the lower layer, thereby avoiding the formation of leakage seams.
Further, this embodiment also discloses above-mentioned anti-floating anchor rod 9 waterproof sealing structure construction technology:
1) constructing an anchor rod pile 8 and an anti-floating anchor rod 9 on the bearing layer 1 according to a construction drawing, so that the lower end of the anchor rod pile 8 is shot and inserted into the bearing layer 1, and the anti-floating anchor rod 9 is inserted into the anti-floating anchor rod 9;
2) pouring the concrete cushion layer 2, and reserving the truncated cone-shaped groove 6 according to the shape characteristics of the anchor rod pile 8 during pouring, wherein the depth of the groove 6 is 50mm, the top surface of the anchor rod pile 8 is positioned at the center of the bottom surface of the groove 6, the plane size is determined according to the age and the position of the anchor rod, and the linear distance between the outer edge of the circular groove 6 and the nearest anti-floating anchor rod 9 is not less than 150 mm;
3) construction of the first waterproof layer 3, the second waterproof layer 4 and the third waterproof layer 7 is carried out by fully filling TZH special non-cured rubber asphalt waterproof coating (the solid content is more than or equal to 99 percent, namely the coating does not need to be dried and can be constructed by thick coating at one time) into the reserved circular groove 6, and wrapping and sealing the top surfaces of the anti-floating anchor rods 9 and the anchor rod piles 8 through excellent bonding performance; then laying a second waterproof layer 4, laying a waterproof coiled material on the concrete cushion layer 2, and leading the waterproof coiled material to be closed at the root of the anti-floating anchor rod 9 to form an open area, wherein the second waterproof layer is lapped on the first waterproof layer 3 at the periphery of the open area, and the lapping width is not less than 150mm, namely the second waterproof layer 4 and the first waterproof layer 3 are fully bonded; then, constructing a third waterproof layer 7, coating TZH special non-cured rubber asphalt waterproof paint on the root of the anti-floating anchor rod 9, overlapping the edge of the anti-floating anchor rod on the second waterproof layer 4, and enabling the overlapping width to be not less than 50 mm;
4) constructing an isolation layer 10, paving non-woven fabrics on the third waterproof layer 7, and arranging the edges of the non-woven fabrics on the second waterproof coiled material;
5) constructing a concrete protective layer 11, and pouring concrete on the isolation layer 10 to form the concrete protective layer 11, so that the concrete protective layer 11 can cover the second waterproof layer 4 and the third waterproof layer 7;
6) the construction of the structural bottom plate 5 is performed.
The anti-floating anchor rod 9 waterproof sealing structure disclosed by the embodiment has the following beneficial effects:
1. the arrangement of the structure makes full use of the characteristics of waterproof paint, and the first waterproof layer 3 for waterproofing the anchor pile 8 and the second waterproof layer 4 for waterproofing the structural bottom plate 5 are effectively combined, so that the weak point of the defense of the anti-floating anchor 9 has a super-strong sealing effect, and the node is ensured not to leak during the construction and use of the building, and finally a continuous and closed underground waterproof system meeting the requirement of the defense level is formed;
2. the construction mode of the first waterproof layer 3 and the third waterproof layer 7 is the filling and coating encapsulation of waterproof paint, is simple and easy to implement, and saves a large amount of labor and construction period while enhancing the sealing effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. The utility model provides a waterproof sealing structure of anti-floating anchor rod which characterized in that includes:
the structural layer comprises a bearing layer, a concrete cushion layer, a first waterproof layer, a second waterproof layer and a structural bottom plate; the concrete cushion layer is arranged on the bearing layer, and the upper surface of the concrete cushion layer is provided with a groove; the first waterproof layer is made of waterproof paint and is filled in the groove; the second waterproof layer is arranged above the concrete cushion layer, an open area is formed at the groove, and the edge of the open area is positioned on the first waterproof layer; the structural bottom plate is arranged on the second waterproof layer;
the lower end of the anchor rod pile is vertically inserted into the bearing layer, the upper end of the anchor rod pile is arranged in the concrete cushion layer, and the top surface of the anchor rod pile is positioned on the bottom surface of the groove;
and the anti-floating anchor rod is inserted into the anchor rod pile, and the upper end of the anti-floating anchor rod penetrates through the first waterproof layer and extends into the structural bottom plate from the open area.
2. The waterproof and sealing structure of the anti-floating anchor rod according to claim 1, further comprising a third waterproof layer, wherein the third waterproof layer is made of waterproof paint and is coated on the first waterproof layer, and the edge of the third waterproof layer is lapped on the second waterproof layer.
3. The waterproof and sealing structure of an anti-floating anchor rod according to claim 2, wherein the overlapping width of the first waterproof layer and the second waterproof layer is 150mm or more; and the overlapping width of the second waterproof layer and the third waterproof layer is more than or equal to 50 mm.
4. The waterproof and sealing structure of the anti-floating anchor rod according to claim 3, wherein the first waterproof layer and the third waterproof layer are both made of TZH special type non-cured rubber asphalt waterproof paint.
5. The waterproof and sealing structure of an anti-floating anchor rod according to claim 4, further comprising an isolation layer, wherein the isolation layer is disposed between the structural bottom plate and the third waterproof layer, and the edge of the isolation layer covers the second waterproof layer, and is adapted to isolate the second waterproof layer, the third waterproof layer and the structural bottom plate.
6. The waterproof and sealing structure of an anti-floating anchor rod according to claim 5, wherein the isolation layer is a non-woven fabric.
7. The waterproof and sealing structure of an anti-floating anchor rod according to claim 6, further comprising a concrete protective layer, wherein the concrete protective layer is arranged between the isolation layer and the structural bottom plate and is suitable for protection.
8. The waterproof and sealing structure of an anti-floating anchor rod according to claim 7, wherein the groove is in a truncated cone shape, and the area of the notch of the groove is larger than the area of the groove bottom; the area of the groove bottom of the groove is larger than that of the top surface of the anchor rod pile.
9. The waterproof and sealing structure of an anti-floating anchor rod according to claim 8, wherein the height of the groove is 50mm or more.
CN201921450891.5U 2019-08-31 2019-08-31 Waterproof sealing structure of anti-floating anchor rod Active CN211113784U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115288210A (en) * 2022-07-26 2022-11-04 成都建工第四建筑工程有限公司 Construction method of anti-floating anchor rod waterproof node

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115288210A (en) * 2022-07-26 2022-11-04 成都建工第四建筑工程有限公司 Construction method of anti-floating anchor rod waterproof node

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