Anchor rod root waterproof structure

Abstract

The utility model relates to the technical field of buildings, and provides an anchor rod root waterproof structure. The anchor rod root waterproof structure comprises a base structure, an anchor rod and a rigid water stop piece. A mounting groove is formed in the base, and the anchor rod penetrates through the mounting groove and is fixedly connected with the bottom of the mounting groove; the rigid water stop piece surrounds the anchor rod and is arranged in the mounting groove, the end, close to the anchor rod, of the rigid water stop piece is connected with the anchor rod in a sealed mode, and the rigid water stop piece gradually inclines in the direction away from the anchor rod and away from the groove bottom of the mounting groove; the rigid water stop piece is arranged in the mounting groove, and the side, back on to the anchor rod, of the rigid water stop piece is connected with the groove wall of the mounting groove in a sealed mode. The structural strength of the rigid water stop piece is high, the rigid water stop piece can bear underground water with large water pressure, and the inclined structure of the rigid water stop piece increases the sealing connection area between the rigid water stop piece and the installation groove, so that the sealing structure between the rigid water stop piece and the installation groove can bear large water pressure. And the rigid water stop strip and the base structure are matched with each other to prevent underground water from permeating into the building.

Description

Technical Field

[0001] This application relates to the field of building technology, and in particular to a waterproof structure for the root of an anchor bolt. Background Technology

[0002] The design of the foundation and substructure of high-rise buildings is a crucial aspect of the construction process. The foundation needs to meet the load-bearing requirements, and anchor bolts need to be driven into the ground through the structural base slab. Under water pressure, groundwater will seep upwards along the anchor bolts, and the seeping groundwater will enter the interior through the connection between the anchor bolts and the structural base slab, causing water seepage.

[0003] Existing methods for preventing water seepage involve wrapping flexible waterstop strips around anchor bolts. These strips are placed at the connection between the anchor bolts and the building's structural base. The waterstop strips expand upon contact with water, thus blocking groundwater seepage. However, at deeper foundations, the groundwater pressure is high, and the waterstop strips have limited pressure-bearing capacity. They are prone to deformation or even breakage under water pressure, making it difficult to prevent groundwater from seeping upwards. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, this application provides a waterproof structure for the root of the anchor bolt.

[0005] This application provides a waterproof structure for the root of an anchor bolt, including a base structure, an anchor bolt, and a rigid waterstop plate;

[0006] The base is provided with an installation groove, and the anchor rod passes through the installation groove and is fixedly connected to the bottom of the installation groove;

[0007] The rigid waterstop plate surrounds the anchor rod and is disposed in the mounting groove. The end of the rigid waterstop plate near the anchor rod is sealed to the anchor rod. The rigid waterstop plate gradually tilts away from the anchor rod in the direction opposite to the bottom of the mounting groove.

[0008] The rigid waterstop is disposed in the mounting groove, and the side of the rigid waterstop facing away from the anchor rod is sealed to the groove wall of the mounting groove.

[0009] Optionally, the rigid waterstop is sealed with an additional layer on the side near the anchor rod, the additional layer extending away from the anchor rod to the outside of the mounting groove, and the additional layer is fitted and sealed to the base structure outside the mounting groove.

[0010] Optionally, a waterproof coating layer is provided on the side of the rigid waterstop near the anchor rod, and the waterproof coating layer at least covers the connection between the anchor rod and the rigid waterstop.

[0011] Optionally, the waterproof coating extends onto the anchor bolt to cover a predetermined length of the anchor bolt.

[0012] Optionally, the waterproof coating layer fills the space between the rigid waterstop and the anchor rod, so that the waterproof coating layer is flush with the edge of the rigid waterstop away from the anchor rod.

[0013] Optionally, the rigid waterstop is a metal part.

[0014] Optionally, a mortar layer is filled between the rigid waterstop and the wall of the mounting groove, and the mortar layer seals the space between the rigid waterstop and the wall of the mounting groove.

[0015] Optionally, the rigid waterstop is a hollow conical cylinder, the anchor rod passes through the inner side of the conical cylinder, the conical cylinder has a first end and a second end opposite to each other along the axial direction of the anchor rod, the diameter at the first end is smaller than the diameter at the second end, the first end is located on the side of the second end close to the base structure; the first end is sealed to the anchor rod, and the outer side of the conical cylinder is sealed to the groove wall of the mounting groove.

[0016] Optionally, the dimension of the rigid waterstop along the axial direction of the anchor rod is equal to the dimension of the mounting groove along the axial direction of the anchor rod.

[0017] Optionally, the base structure is further provided with a waterproof membrane layer, which is sealed to the base structure and covers the rigid waterstop sheet.

[0018] The technical solution provided in this application has the following advantages compared with the prior art:

[0019] The anchor root waterproofing structure provided in this application includes a base structure, an anchor, and a rigid waterstop. An installation groove is provided on the base, and the anchor passes through the installation groove and is fixedly connected to the bottom of the groove, thus fixing the relative position of the base structure and the soil. The rigid waterstop surrounds the anchor and is placed in the installation groove. The end of the rigid waterstop near the anchor is sealed to the anchor, and the rigid waterstop gradually slopes away from the anchor towards the bottom of the groove. The rigid waterstop is placed within the installation groove, and the side of the rigid waterstop facing away from the anchor is sealed to the groove wall. The rigid waterstop has high structural strength and can withstand groundwater with high pressure. Furthermore, the sloped structure of the rigid waterstop increases the sealing area between the rigid waterstop and the installation groove, allowing the sealing structure between the rigid waterstop and the installation groove to withstand higher water pressure. This improves the sealing performance at the connection between the anchor and the base structure, enabling the rigid waterstop and the base structure to work together to prevent groundwater from seeping into the building. Attached Figure Description

[0020] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a cross-sectional view of the rigid waterstop plate described in the embodiment of this application when it is placed in the mounting groove;

[0023] Figure 2 This is a cross-sectional view of the waterproof structure at the root of the anchor bolt as described in the embodiments of this application;

[0024] Figure 3 This is a schematic diagram of the rigid waterstop sheet described in the embodiments of this application;

[0025] Figure 4 This is a schematic diagram of the conical cylinder described in an embodiment of this application.

[0026] Among them, 1. base structure; 11. installation groove; 2. anchor rod; 3. rigid waterstop plate; 31. first end; 32. second end; 4. additional layer; 5. waterproof coating layer; 6. mortar layer; 7. roll material layer; 8. soil. Detailed Implementation

[0027] To better understand the above-mentioned objectives, features, and advantages of this application, the solution of this application will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0028] Many specific details are set forth in the following description in order to provide a full understanding of this application, but this application may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some embodiments of this application, and not all embodiments.

[0029] Reference Figures 1 to 4As shown, in some embodiments, the system includes a base structure 1, an anchor rod 2, and a rigid waterstop 3. An installation groove 11 is provided on the base, the anchor rod 2 passes through the installation groove 11 and is fixedly connected to the bottom of the groove. The rigid waterstop 3 surrounds the anchor rod 2 and is disposed in the installation groove 11. One end of the rigid waterstop 3 near the anchor rod 2 is sealed to the anchor rod 2. The rigid waterstop 3 gradually tilts away from the anchor rod 2 towards the direction opposite to the bottom of the installation groove 11. The rigid waterstop 3 is disposed within the installation groove 11, and the side of the rigid waterstop 3 facing away from the anchor rod 2 is sealed to the groove wall of the installation groove 11.

[0030] Specifically, the base structure 1 is a slab structure at the bottom of the building, which is supported on the soil 8. The side of the base structure 1 facing away from the soil 8 is recessed to form an installation groove 11. Anchor rods 2 are inserted into the base structure 1, so that the anchor rods 2 penetrate into the soil 8 and stably set the base structure 1 on the soil 8.

[0031] The shape of the aforementioned installation groove 11 is consistent with the shape of the rigid waterstop 3. After the rigid waterstop 3 is placed in the installation groove 11, a cement or mortar layer is filled between the rigid waterstop 3 and the groove wall of the installation groove 11 to make the rigid waterstop 3 and the groove wall of the installation groove 11 sealed together.

[0032] When the groundwater in the soil 8 seeps upward along the anchor rod 2 to the rigid waterstop 3, the groundwater tends to seep upward along the outer side of the rigid waterstop 3. The sealed connection between the rigid waterstop 3 and the wall of the installation groove 11 prevents the seepage of groundwater.

[0033] One end of the aforementioned rigid waterstop 3 is connected to the anchor rod 2, and the other end extends away from the anchor rod 2 and is inclined away from the bottom of the installation groove 11, so that the rigid waterstop 3 forms a cylindrical structure. The rigid waterstop 3 can be a conical cylindrical structure, with the anchor rod 2 passing through it. The smaller end of the conical cylindrical structure faces the soil 8. Alternatively, the rigid waterstop 3 can include four panels, which are arranged around the anchor rod 2 and interconnected along the circumference of the anchor rod 2. In the direction away from the soil 8, the four panels are inclined away from the anchor rod 2.

[0034] The aforementioned rigid waterstop 3 can be made of stainless steel or carbon steel. The rigid waterstop 3 has high structural strength and can withstand greater pressure. Even under high groundwater pressure, the rigid waterstop 3 remains stable and prevents groundwater from seeping upwards. Furthermore, the inclined arrangement of the rigid waterstop 3 relative to the anchor rod 2 increases the sealing area between the rigid waterstop 3 and the base structure 1, enhancing its ability to impede groundwater seepage.

[0035] In specific use, the waterproof structure at the root of the anchor provided in this application embodiment is used such that the rigid waterstop 3 is sleeved on the anchor 2 and the rigid waterstop 3 is set in the installation groove 11. The rigid waterstop 3 is sealed to the groove wall of the installation groove 11. When the groundwater in the soil 8 at the bottom of the base structure 1 seeps upward along the anchor 2 to the rigid waterstop 3, the sealed connection between the rigid waterstop 3 and the installation groove 11 of the base structure 1 prevents the groundwater from continuing to seep upward.

[0036] The anchor root waterproof structure provided in this application includes a base structure 1, an anchor 2, and a rigid waterstop 3. An installation groove 11 is provided on the base, and the anchor 2 passes through the installation groove 11 and is fixedly connected to the bottom of the groove, thus fixing the relative position of the base structure 1 and the soil 8. The rigid waterstop 3 surrounds the anchor 2 and is disposed in the installation groove 11. The end of the rigid waterstop 3 near the anchor 2 is sealed to the anchor 2, and the rigid waterstop 3 gradually tilts away from the anchor 2 towards the bottom of the installation groove 11. The rigid waterstop 3 is disposed within the installation groove 11, and the side of the rigid waterstop 3 facing away from the anchor 2 is sealed to the wall of the installation groove 11. The rigid waterstop 3 has high structural strength and can withstand groundwater with high water pressure. Furthermore, the inclined structure of the rigid waterstop 3 increases the sealing area between the rigid waterstop 3 and the mounting groove 11, enabling the sealing structure between the rigid waterstop 3 and the mounting groove 11 to withstand high water pressure. This improves the sealing performance at the connection between the anchor rod and the base structure, allowing the rigid waterstop 3 and the base structure 1 to work together to prevent groundwater from seeping into the building.

[0037] Reference Figure 2 As shown, in some embodiments, an additional layer 4 is sealed to the side of the rigid waterstop 3 near the anchor rod 2. The additional layer 4 extends to the outside of the mounting groove 11 in a direction away from the anchor rod 2, and is fitted and sealed to the base structure 1 on the outside of the mounting groove 11. With this configuration, the additional layer 4 can cover the space between the edge of the rigid waterstop 3 away from the anchor rod 2 and the opening of the mounting groove 11, and the additional layer 4 seals with both the rigid waterstop 3 and the base structure 1, improving the sealing degree between the rigid waterstop 3 and the base structure 1.

[0038] Specifically, the additional layer 4 can be selected from a fiber woven fabric and a waterproof coating. The fiber woven fabric covers the space between the rigid waterstop 3 and the groove of the mounting groove 11, and the waterproof coating is applied to the fiber woven fabric to improve the sealing between the rigid waterstop 3 and the groove of the mounting groove 11. Alternatively, the additional layer 4 can be a rubber sheet. The additional layer 4 extends along the axial direction of the anchor rod 2 in a direction away from the anchor rod 2, so that the additional layer 4 can cover the space between the edge of the rigid waterstop 3 away from the anchor rod 2 and the groove of the mounting groove 11.

[0039] The aforementioned additional layer 4 can be selected to completely cover the side of the rigid waterstop 3 facing the anchor rod 2, or it can be selected to have a gap between the connection between the rigid waterstop 3 and the anchor rod 2 and the edge of the additional layer 4.

[0040] Reference Figure 2 As shown, in some embodiments, a waterproof coating layer 5 is provided on the side of the rigid waterstop 3 near the anchor rod 2, and the waterproof coating layer 5 at least covers the connection between the anchor rod 2 and the rigid waterstop 3. This arrangement improves the sealing of the connection between the rigid waterstop 3 and the anchor rod 2, enhancing the effectiveness of the rigid waterstop 3 in preventing groundwater seepage.

[0041] Specifically, the waterproof coating layer 5 can be made of asphalt or waterproof paint. The waterproof coating layer 5 can either completely cover the side of the rigid waterstop 3 facing the anchor rod 2, so that the waterproof coating layer 5 covers the connection between the rigid waterstop 3 and the anchor rod 2. Alternatively, the waterproof coating layer 5 can cover the area of ​​the rigid waterstop 3 near the anchor rod 2, thus covering the connection between the rigid waterstop 3 and the anchor rod 2.

[0042] When the rigid waterstop 3 is provided with an additional layer 4, the waterproof coating layer 5 can be provided on the side of the additional layer 4 facing the anchor rod 2.

[0043] Reference Figure 2 As shown, in some embodiments, the waterproof coating layer 5 extends onto the anchor rod 2 to cover a predetermined length of the anchor rod 2. This arrangement allows the waterproof coating layer 5 to also protect one side of the anchor rod 2, thus enhancing the waterproofing of the portion of the anchor rod 2 inside the building.

[0044] Specifically, the waterproof coating layer 5 extends upwards from the connection between the rigid waterstop 3 and the anchor rod 2 to the anchor rod 2, and extends upwards along the anchor rod 2 to cover a portion of the anchor rod 2. The length can be set to be greater than the axial length of the rigid waterstop 3 on the anchor rod 2, so that the area of ​​the anchor rod 2 covered with the waterproof coating layer 5 is exposed on the outside of the rigid waterstop 3; alternatively, the length can be set to be less than or equal to the axial length of the rigid waterstop 3 on the anchor rod 2, so that the area of ​​the anchor rod 2 covered with the waterproof coating layer 5 is located on the inside of the rigid waterstop 3.

[0045] The length of the rigid waterstop 3 in the axial direction of the anchor rod 2 can be selected as the depth of the rigid waterstop 3. The set length can be greater than the depth of the rigid waterstop 3, and the difference between the set length and the depth of the rigid waterstop 3 is 50 mm. That is, the waterproof coating layer 5 extends to the area of ​​the anchor rod 2 located outside the rigid waterstop 3, and the waterproof coating layer 5 extends 50 mm beyond the edge of the rigid waterstop 3 away from the anchor rod 2.

[0046] Reference Figure 2As shown, in some embodiments, the waterproof coating layer 5 fills the space between the rigid waterstop 3 and the anchor rod 2, so that the waterproof coating layer 5 is flush with the edge of the rigid waterstop 3 away from the anchor rod 2. This arrangement fills the interior of the rigid waterstop 3 with the waterproof coating layer 5, improving the internal sealing of the rigid waterstop 3 and enhancing its ability to prevent groundwater from seeping upwards along the anchor rod 2. The flush alignment of the waterproof coating layer 5 with the edge of the rigid waterstop 3 away from the anchor rod 2 ensures that the area of ​​the base structure 1 with the rigid waterstop 3 is a flat plane, facilitating the subsequent laying of structural materials required for the building on the base structure 1 and preventing the formation of pits in the rigid waterstop 3.

[0047] Specifically, the waterproof coating layer 5 can be made of asphalt, which fills the space between the rigid waterstop 3 and the anchor rod 2, and the cylindrical structure formed by the asphalt and the rigid waterstop 3 is flush with the end away from the soil 8.

[0048] Reference Figure 2 As shown, in some embodiments, the rigid waterstop 3 is a metal component. This design allows the metal to have high structural strength, withstand significant water pressure, and enables the rigid waterstop 3 to prevent groundwater from seeping upwards along the anchor rod 2 for an extended period.

[0049] Specifically, the rigid waterstop 3 can be a cylindrical structure made of stainless steel or low carbon steel, or it can be a cylindrical structure made of other metal materials.

[0050] Reference Figure 2 As shown, in some embodiments, a mortar layer 6 is filled between the rigid waterstop 3 and the wall of the mounting groove 11, sealing the space between the rigid waterstop 3 and the wall of the mounting groove 11. This arrangement results in low cost for the mortar layer 6, and the mortar layer 6 provides adhesion between the rigid waterstop 3 and the wall of the mounting groove 11, improving the positional stability of the rigid waterstop 3 within the mounting groove 11. After solidification, the mortar layer 6 also supports the rigid waterstop 3, preventing deformation of the rigid waterstop 3.

[0051] Specifically, mortar layer 6 is made of mortar, which is a bonding material used in bricklaying. It is made by mixing sand, cement, lime paste, clay, and other binders with water in a certain proportion, and is also called grout. The size of the installation groove 11 can be larger than the rigid waterstop 3, so that there is space between the groove wall of the installation groove 11 and the rigid waterstop 3. The mortar fills the space between the groove wall of the installation groove 11 and the rigid waterstop 3, so that the mortar can seal the space between the groove wall of the installation groove 11 and the rigid waterstop 3.

[0052] Reference Figure 4As shown, in some embodiments, the rigid waterstop 3 is a hollow conical cylinder, with the anchor rod 2 passing through the inner side of the conical cylinder. The conical cylinder has a first end 31 and a second end 32 along the axial direction of the anchor rod 2. The diameter at the first end 31 is smaller than the diameter at the second end 32. The first end 31 is located on the side of the second end 32 closer to the base structure 1. The first end 31 is sealed to the anchor rod 2, and the outer side of the conical cylinder is sealed to the wall of the mounting groove 11. With this configuration, the conical cylinder is sealed to the wall of the mounting groove 11, and the first end 31 is sealed to the anchor rod 2, allowing the conical cylinder to seal the connection between the anchor rod 2 and the base structure 1. The side of the conical cylinder has no sharp edges, which avoids stress concentration. Compared to a cylindrical structure formed by multiple planes, the side surface area of ​​the conical cylinder is larger, which improves the stability of the connection between the conical cylinder and the wall of the mounting groove 11.

[0053] Specifically, the conical cylinder can be a conical cylindrical structure. Both the first end 31 and the second end 32 of the conical cylinder are openings in the cylindrical structure, with the diameter of the opening at the first end 31 being smaller than the diameter of the opening at the second end 32. The anchor rod 2 passes through the interior of the conical cylindrical structure, and the inner wall of the opening at the first end 31 is fitted to the anchor rod 2, and the inner wall of the opening at the first end 31 is welded to the anchor rod 2 to ensure a sealed connection between the first end 31 and the anchor rod 2. The diameter of the first end 31 can be selected as 33 mm, the diameter of the second end 32 can be selected as 240 mm, and the distance between the first end 31 and the second end 32 can be selected as 100 mm.

[0054] Reference Figure 4 As shown, in some embodiments, the dimension of the rigid waterstop 3 along the axial direction of the anchor rod 2 is equal to the dimension of the mounting groove 11 along the axial direction of the anchor rod 2. This arrangement ensures that the rigid waterstop 3 is flush with the opening of the mounting groove 11, allowing the padding layer to be laid flat on the base structure 1.

[0055] Specifically, after the end of the rigid waterstop 3 closest to the soil 8 abuts against the bottom of the installation groove 11, the end of the rigid waterstop 3 furthest from the soil 8 is flush with the opening of the installation groove 11. A pad layer is usually laid on the base structure 1 to prevent the rigid waterstop 3 from protruding from the base structure 1 and to avoid the rigid waterstop 3 causing unevenness of the pad layer laid on the base structure 1.

[0056] Reference Figure 4 As shown, in some embodiments, a waterproof membrane layer 7 is further provided on the base structure 1. The waterproof membrane layer 7 is sealed to the base structure 1 and covers the rigid waterstop sheet 3. With this configuration, the waterproof membrane layer 7 can form an integral waterproof layer on the base structure 1, and the waterproof membrane layer 7 can also prevent liquids inside the building from contacting the rigid waterstop sheet 3.

[0057] Specifically, the waterproof membrane layer 7 can be made of polymer materials, or of high-density polyethylene film with strong toughness, such as SBS and tackifiers, or of polyvinyl chloride. The waterproof membrane layer 7 is laid on the side of the base structure 1 facing away from the soil 8, and has clearance holes in which anchor bolts 2 are inserted. The waterproof membrane layer 7 covers the rigid waterstop 3. When the rigid waterstop 3 is filled with a waterproof coating layer 5, the waterproof membrane layer 7 adheres to the waterproof coating layer 5 within the rigid waterstop 3, making the waterproof membrane layer 7 a flat planar structure.

[0058] The additional layer 4, waterproof coating layer 5, and mortar layer 6 on the inner side of the rigid waterstop 3 work together to provide a good sealing effect on both the inner and outer sides of the rigid waterstop 3. The waterproof membrane layer 7 can adhere to and seal with the additional layer 4 and the waterproof coating layer 5, so that the additional layer 4 and the waterproof coating layer 5 form a seal at the joint between the waterproof membrane layer 7 and the rigid waterstop 3, ensuring the overall sealing of the waterproof membrane layer 7 on the base structure 1, and giving the waterproof membrane layer 7 a good waterproof capability.

[0059] In practical use, the waterproof structure at the anchor root provided in this application involves fitting a conical cylinder onto the anchor 2, with the conical cylinder positioned within the mounting groove 11. The first end 31 of the conical cylinder is welded to the anchor 2. Mortar is filled between the rigid waterstop 3 and the groove wall of the mounting groove 11 to form a mortar layer 6 between them. This mortar layer 6 is flush with the groove opening and the second end 32 of the mounting groove 11. An additional layer 4 is provided on the side of the rigid waterstop 3 facing the anchor 2, and this additional layer 4 is sealed to the base structure 1. Then, waterproof coating is filled into the interior of the rigid waterstop 3 to form a waterproof coating layer 5. Finally, a waterproof membrane layer 7 is laid on the base structure 1, covering the rigid waterstop 3, and the waterproof membrane layer 7 is sealed to the waterproof coating layer 5.

[0060] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0061] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A waterproof structure for the root of an anchor bolt, characterized in that, It includes a base structure (1), anchor bolts (2), and rigid waterstops (3); The base is provided with an installation groove (11), and the anchor rod (2) passes through the installation groove (11) and is fixedly connected to the bottom of the installation groove (11); The rigid waterstop (3) surrounds the anchor rod (2) and is disposed in the mounting groove (11). The end of the rigid waterstop (3) near the anchor rod (2) is sealed to the anchor rod (2). The rigid waterstop (3) gradually tilts away from the anchor rod (2) towards the bottom of the mounting groove (11). The rigid waterstop (3) is disposed in the mounting groove (11), and the side of the rigid waterstop (3) facing away from the anchor rod (2) is sealed to the groove wall of the mounting groove (11).

2. The waterproof structure at the anchor root according to claim 1, characterized in that, The rigid waterstop (3) is sealed with an additional layer (4) on the side near the anchor rod (2). The additional layer (4) extends to the outside of the mounting groove (11) in a direction away from the anchor rod (2), and the additional layer (4) is fitted and sealed to the base structure (1) outside the mounting groove (11).

3. The waterproof structure at the anchor root according to claim 1, characterized in that, The rigid waterstop (3) is provided with a waterproof coating layer (5) on the side near the anchor rod (2), and the waterproof coating layer (5) covers at least the connection between the anchor rod (2) and the rigid waterstop (3).

4. The waterproof structure at the anchor root according to claim 3, characterized in that, The waterproof coating layer (5) extends onto the anchor rod (2) to cover the anchor rod (2) for a set length.

5. The waterproof structure at the root of the anchor bolt according to claim 3, characterized in that, The waterproof coating layer (5) fills the space between the rigid waterstop (3) and the anchor rod (2) so that the waterproof coating layer (5) and the edge of the rigid waterstop (3) away from the anchor rod (2) are flush.

6. The waterproof structure at the anchor root according to claim 1, characterized in that, The rigid waterstop (3) is a metal part.

7. The waterproof structure at the anchor root according to claim 1, characterized in that, A mortar layer (6) is filled between the rigid waterstop (3) and the wall of the mounting groove (11), and the mortar layer (6) seals the space between the rigid waterstop (3) and the wall of the mounting groove (11).

8. The waterproof structure at the root of the anchor bolt according to claim 1, characterized in that, The rigid waterstop (3) is a hollow conical cylinder. The anchor rod (2) passes through the inner side of the conical cylinder. The conical cylinder has a first end (31) and a second end (32) opposite to each other along the axial direction of the anchor rod (2). The diameter at the first end (31) is smaller than the diameter at the second end (32). The first end (31) is located on the side of the second end (32) close to the base structure (1). The first end (31) is sealed to the anchor rod (2). The outer side of the conical cylinder is sealed to the groove wall of the mounting groove (11).

9. The waterproof structure at the root of the anchor bolt according to claim 1, characterized in that, The dimension of the rigid waterstop (3) along the axial direction of the anchor rod (2) is equal to the dimension of the mounting groove (11) along the axial direction of the anchor rod (2).

10. The waterproof structure at the root of the anchor bolt according to any one of claims 1 to 9, characterized in that, The base structure (1) is further provided with a waterproof membrane layer (7), which is sealed to the base structure (1) and covers the rigid waterstop sheet (3).

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