Anti-floating anchor rod and waterproof roll connecting node structure
By using an upper pad, a lower pad, and a nut fastening structure at the junction of the anti-buoyancy anchor and the waterproof membrane, combined with a sealing strip and a waterproof washer, the problem of easy tearing of the waterproof membrane was solved, and the waterproofness and structural stability of the joint were improved.
Patent Information
- Application Number
- CN202423228315.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The stress concentration at the junction of the existing anti-buoyancy anchor and the waterproof membrane can easily lead to tearing of the waterproof membrane, loose connection, affecting waterproofing and anti-buoyancy performance, and making it prone to leakage.
The upper and lower pads are sealed and fitted onto the anchor rods, and the nuts are tightened onto the anchor rods. Combined with the sealing strip and waterproof gasket, a tightly clamped waterproof membrane is formed, and a non-curing coating is applied at the joints to enhance waterproofing.
It effectively prevents the waterproof membrane from tearing, improves the sealing and waterproofing performance of the joint structure, and enhances the structural stability and service life of the building.
Smart Images

Figure CN223593362U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building structure technology, specifically to a structure of the junction between an anti-buoyancy anchor and a waterproof membrane. Background Technology
[0002] Anti-buoyancy anchors are a type of anti-buoyancy measure for underground structures in building engineering, serving as structural components to resist upward displacement of buildings due to changes in groundwater levels. In existing technologies, anti-buoyancy anchors are installed in the building's foundation structure, penetrating the waterproof membrane and subgrade. The top end is inserted into the raft foundation, and the bottom end is inserted into the soil layer, secured to the waterproof membrane with a double-nut structure. However, the stress concentration at the junction of the existing anti-buoyancy anchors and the waterproof membrane is relatively high, easily leading to tearing of the waterproof membrane at this junction, directly affecting the anti-buoyancy and waterproofing properties of the joint structure. Furthermore, the connection at the junction of the existing anti-buoyancy anchors and the waterproof membrane is not tight enough, making complete sealing difficult and prone to leakage, affecting the normal use of the building and compromising its service life. Utility Model Content
[0003] This invention aims to overcome the shortcomings of the existing technology by providing a joint structure for the connection between the anti-buoyancy anchor and the waterproof membrane.
[0004] The present invention adopts the following technical solution to solve the technical problem: a joint structure of an anti-buoyancy anchor rod and a waterproof membrane, wherein a raft slab, a waterproof membrane, and a soil layer with a top bedding layer are arranged sequentially from top to bottom, the anchor rod penetrates the waterproof membrane and the bedding layer, the top end of the anchor rod is inserted into the raft slab, and the bottom end is inserted into the soil layer, and a pair of nuts are threadedly fastened to the anchor rod to limit and fix the waterproof membrane, including an upper pad plate and a lower pad plate;
[0005] The upper pad and the lower pad are both sealed and fitted onto the anchor rod, and are respectively attached to the top and bottom of the waterproof membrane; the upper pad and the lower pad are pressed and connected to fix the waterproof membrane tightly between the two.
[0006] Furthermore, the pair of nuts, serving as an upper nut and a lower nut respectively, are threaded together and fastened to the anchor rod;
[0007] The upper nut is located between the raft plate and the upper pad plate, and the upper pad plate is pressed down by the top of the upper pad plate;
[0008] The lower nut is located between the pad and the lower pad, and is pressed upwards from the bottom of the lower pad.
[0009] Furthermore, waterproof gaskets are provided between the upper nut and the upper washer, and between the lower nut and the lower washer.
[0010] Further, the sealing strip is further included;
[0011] The waterproof coiled material is respectively provided with the sealing strip along the edges of the upper and lower base plates.
[0012] Further, the upper and lower surfaces of the waterproof coiled material are coated with non-cured paint for waterproofing in the area surrounded by the sealing strip.
[0013] Further, the upper and lower base plates are each provided with a mounting hole at the geometric center thereof and are sleeved with the anchor rod through the mounting hole.
[0014] Further, the upper and lower base plates are in the form of circular plate structures.
[0015] Further, the upper and lower base plates are connected and fixed by waterproof rivets or waterproof screws uniformly arranged around the anchor rod.
[0016] Further, the upper and lower base plates are stainless steel plates or aluminum plates.
[0017] The utility model provides a kind of anti-floating anchor rod and waterproof coiled material interface joint structure, with the following beneficial effects:
[0018] 1, the upper and lower base plates of the utility model realize the structural reinforcement of waterproof coiled material at the interface of anchor rod and waterproof coiled material, effectively solve the problem that waterproof coiled material is easily torn under structural stress at the interface, improve the structural stability of node structure.
[0019] 2, a pair of nuts of the utility model are respectively used as upper nut and lower nut, and the upper and lower base plates are tightly clamped waterproof coiled material by being pressed upward from upper base plate and downward from lower base plate, improve the sealing property of node structure, i.e.
[0020] 3, the sealing strip, waterproof washer and non-cured paint of the utility model further improve the tightness of connection at the interface of anti-floating anchor rod and waterproof coiled material, and further improve the waterproof performance of node structure.
[0021] 4, the utility model is simple in structure, high in pretreatment degree, small in on-site construction work amount, and meets the needs of actual construction. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the front view structure schematic diagram of the utility model;
[0023] Figure 2 It is the local enlarged structure schematic diagram of the utility model A.
[0024] In the drawing:
[0025] 1, anchor rod, 2, waterproof roll material, 3, cushion layer, 4, soil layer, 5, upper cushion plate, 6, lower cushion plate, 7, upper nut, 8, lower nut, 9, sealing strip, 10, waterproof washer. DETAILED DESCRIPTION
[0026] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0027] An anti-floating anchor rod and waterproof roll material joint structure, as shown in Figure 1 The structure is that the raft, waterproof roll material 2 and soil layer 4 of top laying cushion layer 3 are sequentially arranged from top to bottom, anchor rod 1 penetrates waterproof roll material 2 and cushion layer 3, the top end is inserted into the raft, the bottom end is inserted into the soil layer 4, a pair of nuts are threadedly fastened on anchor rod 1, waterproof roll material 2 is limited and fixed, including upper cushion plate 5 and lower cushion plate 6.
[0028] Upper cushion plate 5 and lower cushion plate 6 are sealingly and fittingly sleeved on anchor rod 1 and are respectively attached to the top and bottom of waterproof roll material 2; upper cushion plate 5 is pressingly connected and fixed with lower cushion plate 6, and waterproof roll material 2 is tightly clamped between the two.
[0029] The arrangement of upper cushion plate 5 and lower cushion plate 6 at the joint of anchor rod 1 and waterproof roll material 2 structurally reinforces waterproof roll material 2, effectively solving the problem that waterproof roll material 2 is easily torn at the joint of anchor rod 1 and waterproof roll material 2.
[0030] Preferably, the pair of nuts are respectively upper nut 7 and lower nut 8 and are threadedly fastened on anchor rod 1.
[0031] Upper nut 7 is located between the raft and upper cushion plate 5 and press tight upper cushion plate 5 from the top of upper cushion plate 5.
[0032] Lower nut 8 is located between cushion layer 3 and lower cushion plate 6 and press tight lower cushion plate 6 from the bottom of lower cushion plate 6.
[0033] Preferably, waterproof washer 10 is arranged between upper nut 7 and upper cushion plate 5 and between lower nut 8 and lower cushion plate 6.
[0034] Preferably, sealing strip 9 is further included.
[0035] The waterproofing membrane 2 is respectively provided with a sealing strip 9 along the edge of the upper and lower pads 5 and 6.
[0036] Preferably, the upper and lower surfaces of the waterproofing membrane 2 are coated with non-curing waterproofing paint in the area surrounded by the sealing strip 9.
[0037] Preferably, the upper and lower pads 5 and 6 are provided with mounting holes at the geometric centers thereof, and are sleeved and mounted on the anchor rod 1 through the mounting holes.
[0038] Preferably, the upper and lower pads 5 and 6 are circular plate-shaped structures.
[0039] Preferably, the upper and lower pads 5 and 6 are connected and fixed by waterproof rivets or waterproof screws uniformly arranged around the circumference of the anchor rod 1.
[0040] In actual installation, the upper and lower pads 5 and 6 are preferably connected and fixed by six waterproof rivets or waterproof screws uniformly arranged.
[0041] Preferably, the upper and lower pads 5 and 6 are stainless steel plates or aluminum plates.
[0042] The field construction of the anti-floating anchor rod and waterproofing membrane joint structure includes the following processes:
[0043] Firstly, the lower nut 8 and the waterproof gasket 10 between the lower nut 8 and the lower pad 6 are screwed down from the top of the anchor rod 1 to the anchor rod 1, until the bottom surface of the lower nut 8 is flush with the top surface of the cushion layer 3, and the waterproof gasket 10 is attached to the top surface of the lower nut 8.
[0044] Secondly, the lower pad 6 is sleeved and mounted from the top of the anchor rod 1 to the anchor rod 1, until the bottom of the lower pad 6 is tightly attached to the top of the waterproof gasket 10 in the first step.
[0045] The top of the lower pad 6 can be provided with a sealing strip 9 and / or coated with non-curing waterproofing paint according to actual needs.
[0046] Thirdly, the waterproofing membrane 2 is sleeved and mounted from the top of the anchor rod 1 to the anchor rod 1, until the lower surface of the waterproofing membrane 2 is tightly attached to the top of the lower pad 6 or the sealing strip 9 and the non-curing waterproofing paint in the second step.
[0047] The upper surface of the waterproofing membrane 2 can be coated with non-curing waterproofing paint according to actual needs.
[0048] Fourthly, the upper pad 5 is sleeved and mounted from the top of the anchor rod 1 to the anchor rod 1, until the bottom of the upper pad 5 is tightly attached to the upper surface of the waterproofing membrane 2; when the upper surface of the waterproofing membrane 2 is coated with non-curing waterproofing paint, the bottom of the upper pad 5 is correspondingly tightly attached to the top of the waterproofing paint.
[0049] The bottom of the upper backing plate 5 can be equipped with a sealing strip 9 according to actual needs. At this time, the bottom of the sealing strip 9 is in close contact with the upper surface of the waterproof coiled material 2.
[0050] In the fifth step, the upper backing plate 5, the waterproof coiled material 2 and the lower backing plate 6 are aligned, and the three are fixed and installed by waterproof rivets or waterproof screws.
[0051] In the sixth step, the waterproof gasket 10 between the upper nut 7 and the upper backing plate 5 and the upper nut 7 are screwed down to the anchor rod 1 from the top of the anchor rod 1, until the bottom of the waterproof gasket 10 is in close contact with the top of the upper backing plate 5. Then, the raft installation is carried out according to the conventional construction method, and the construction is completed.
[0052] In the above construction process, part of the work in the second to fifth steps can be pre-processed in the processing plant.
[0053] In the first step, non-cured waterproof paint is applied to the upper and lower surfaces of the waterproof coiled material 2 in the specified area.
[0054] In the second step, the sealing strip 9 is installed and fixed on the top of the lower backing plate 6 and the bottom of the upper backing plate 5. The upper backing plate 5 and the lower backing plate 5 are placed above and below the waterproof coiled material 2, respectively. The upper backing plate 5, the waterproof coiled material 2 and the lower backing plate 6 are aligned, and the three are connected and fixed by waterproof rivets or waterproof screws.
[0055] After the above pre-processing, the upper backing plate 5, the waterproof coiled material 2 and the lower backing plate 6 are integrally installed on the anchor rod 1 after the first step in the field construction. Then, the construction is completed according to the method of the sixth step.
[0056] It should be noted that, in the present document, the terms such as first and second, etc. are merely used 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. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.
[0057] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An anti-floating anchor rod and waterproofing membrane joint structure, a raft, a waterproofing membrane (2) and a top laying cushion (3) are sequentially arranged from top to bottom in a soil layer (4), an anchor rod (1) penetrates through the waterproofing membrane (2) and the cushion (3), the top end of the anchor rod (1) is inserted into the raft, the bottom end of the anchor rod (1) is inserted into the soil layer (4), and a pair of nuts are threadedly fastened on the anchor rod (1) to limit and fix the waterproofing membrane (2), characterized in that: The upper cushion plate (5) and the lower cushion plate (6) are sealingly sleeved on the anchor rod (1) and are attached to the top and bottom of the waterproof roll (2) respectively; the upper cushion plate (5) and the lower cushion plate (6) are tightly connected and fixed, and the waterproof roll (2) is tightly clamped therebetween. A pair of the nuts are respectively used as an upper nut (7) and a lower nut (8) and are threadedly fastened to the anchor rod (1); 2. The anti-floating anchor rod and waterproofing membrane joint structure according to claim 1, characterized in that: The upper nut (7) is located between the raft and the upper cushion plate (5) and is pressed tightly downward by the upper cushion plate (5) from the top of the upper cushion plate (5); The lower nut (8) is located between the cushion layer (3) and the lower cushion plate (6) and is pressed tightly upward by the lower cushion plate (6) from the bottom of the lower cushion plate (6). The upper nut (7) and the lower nut (8) are provided with waterproof gaskets (10) between the upper nut (7) and the upper cushion plate (5) and between the lower nut (8) and the lower cushion plate (6).
3. The anti-floating anchor rod and waterproofing membrane interface joint structure according to claim 2, characterized in that: The sealing strip (9) is further included; 4. The anti-floating anchor rod and waterproofing membrane interface joint structure according to claim 1, characterized in that: The waterproof roll (2) is provided with the sealing strip (9) between the upper cushion plate (5) and the lower cushion plate (6) respectively. The upper surface and the lower surface of the waterproof roll (2) are coated with non-cured paint for waterproofing in the area surrounded by the sealing strip (9).
5. The anti-floating anchor rod and waterproofing membrane interface joint structure according to claim 4, characterized in that: The upper cushion plate (5) and the lower cushion plate (6) are provided with mounting holes at the geometric centers thereof and are sealingly sleeved on the anchor rod (1) through the mounting holes.
6. The anti-floating anchor rod and waterproofing membrane interface joint structure according to claim 1, characterized in that: The upper cushion plate (5) and the lower cushion plate (6) are circular plate structures.
7. The anti-floating anchor rod and waterproofing membrane interface joint structure according to claim 6, characterized in that: The upper cushion plate (5) and the lower cushion plate (6) are connected and fixed by waterproof rivets or waterproof screws which are uniformly arranged in the circumferential direction of the anchor rod (1).
8. The anti-floating anchor rod and waterproofing membrane interface joint structure according to claim 7, characterized in that: The upper cushion plate (5) and the lower cushion plate (6) are stainless steel plates or aluminum plates.
9. The anti-floating anchor rod and waterproofing membrane interface joint structure according to claim 1, characterized in that: