Anti-floating anchor rod connecting structure under high-water-level geology

Abstract

The utility model discloses an anti-floating anchor rod connecting structure under the high-water-level geology. The cloth strip layer wraps the peripheries of the extending end of the anti-floating anchor rod and the fixed end of the anti-floating anchor rod, the water swelling strip is connected to the joint of the extending end of the anti-floating anchor rod and the fixed end of the anti-floating anchor rod, and the cement mortar layer is arranged in a cushion layer and located at the top of the fixed end of the anti-floating anchor rod. The lower waterproof coating layer and the upper waterproof coating layer are arranged at the bottom and the top of the cement mortar layer respectively, and the waterproof roll layer is arranged at the top of the upper waterproof coating layer. Due to the arrangement of the cloth strip layer, it is guaranteed that steel bars in the extending end of the anti-floating anchor rod and the fixed end of the anti-floating anchor rod are not prone to corrosion; the water swelling strip, the lower waterproof coating layer, the upper waterproof coating layer and the waterproof roll layer are arranged in a combined manner, so that all-directional water prevention is facilitated; and through the arrangement of the cushion layer and the cement mortar layer, the anchoring strength of the anti-floating anchor rod is improved, and the anti-floating stress strength is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of anti-floating anchor rod construction, in particular to an anti-floating anchor rod connection structure under high water level geology. Background Art

[0002] Anti-floating anchor rods are one of the important measures for building underground structures to resist upward displacement. Anti-floating anchor rods can effectively ensure the anti-floating ability of underground structures during use. Generally, the top steel bars of anti-floating anchor rods are directly extended into the underground structure for connection, and there is little targeted waterproofing. Therefore, when there is high water level groundwater, the connection of the anti-floating anchor rod will often be destroyed, and in the case of flowing sand layers and human disturbance, the anti-floating ability of the anti-floating anchor rod will be reduced or even lost. Therefore, it is necessary to carry out targeted strengthening, fixing, connection and waterproofing design of anti-floating anchor rods. Utility Model Content

[0003] The utility model provides an anti-floating anchor rod connection structure under high water level geology, which is used to solve the technical problems of arrangement, waterproofing, corrosion resistance and force enhancement of the anti-floating anchor rod.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An anti-floating anchor rod connection structure under high water level geology, comprising a top structure, an anti-floating anchor rod protruding end arranged inside the top structure, an anti-floating anchor rod fixed end anchored and connected in soil and integrally connected with the anti-floating anchor rod protruding end, a cloth strip layer wrapped around the anti-floating anchor rod protruding end and the anti-floating anchor rod fixed end, a water-swelling water stop strip connected to the connection between the anti-floating anchor rod protruding end and the anti-floating anchor rod fixed end, a cushion layer arranged between the top structure and the soil body, a cement mortar layer arranged in the cushion layer and located at the top of the anti-floating anchor rod fixed end, a lower waterproof coating layer and an upper waterproof coating layer respectively arranged at the bottom and top of the cement mortar layer, a plastering layer arranged between the upper waterproof coating layer and the cushion layer, and a waterproof coiled material layer arranged on the top of the upper waterproof coating layer; wherein a high water level groundwater layer is contained under the soil body;

[0006] The cushion layer, cement mortar layer, lower waterproof coating layer, plastering layer, upper waterproof coating layer and waterproof coiled material layer are arranged around the outer periphery of the cloth strip layer.

[0007] Furthermore, the top structure includes a basement floor, a foundation or a foundation beam, and the top structure is a reinforced concrete structure; the steel bars in the top structure are fixedly connected to the protruding ends of the anti-floating anchor rods.

[0008] Furthermore, the protruding end of the anti-floating anchor rod is a group of inverted L-shaped steel bars, and a group of inverted L-shaped steel bars are tied at the turning point of the steel bars by binding wire; the vertical part of the protruding end of the anti-floating anchor rod is integrally connected to the fixed end of the anti-floating anchor rod; the fixed end of the anti-floating anchor rod includes the vertical part of the extended inverted L-shaped steel bar and a reinforcement body, and a galvanized steel casing is pre-arranged on the outer periphery of the hole formed by the reinforcement body.

[0009] Furthermore, the fabric strip layer is arranged within the height range of the steel bars at the fixed end of the anti-floating anchor rod and is arranged at the middle and upper part of the vertical part of the protruding end of the anti-floating anchor rod.

[0010] Furthermore, the water-swellable waterstop strip is separately provided on each inverted L-shaped steel bar, and the water-swellable waterstop strip is provided between the fabric strip layer and the inverted L-shaped steel bar.

[0011] Furthermore, the cushion layer is a concrete cushion layer, and the cushion layer sinks by no less than 30 mm within a range of 250 mm around the bottom of the extended end of the anti-floating anchor rod; a cement mortar layer is provided at the corresponding sinking position.

[0012] Furthermore, the lower waterproof coating layer and the upper waterproof coating layer are both cement penetrating crystallization waterproof coating layers, and the lower waterproof coating layer and the upper waterproof coating layer are fully spread along the cement mortar layer and folded upward at the bottom of the extended end of the anti-floating anchor rod.

[0013] Furthermore, the lower waterproof coating layer is folded upward 50mm high at the bottom of the extended end of the anti-floating anchor rod, and a total of two layers of the lower waterproof coating layer are arranged; the upper waterproof coating layer is folded upward 100mm high at the bottom of the extended end of the anti-floating anchor rod and is on the outside of the lower waterproof coating layer.

[0014] Furthermore, the plastering layer is a common 1:2 cement mortar layer and the surface is smoothed, and the plastering layer is within 350mm around the bottom of the protruding end of the anti-floating anchor rod.

[0015] Furthermore, the waterproofing membrane layer comprises a non-cured rubber asphalt waterproof coating and a modified asphalt pre-laid waterproofing membrane layer, and the waterproofing membrane layer is folded upward by 50 mm at the bottom of the extended end of the anti-floating anchor rod and is on the outside of the upper waterproof coating layer.

[0016] The beneficial effects of the utility model are embodied in:

[0017] 1) The utility model is conducive to ensuring that the steel bars in the extended end of the anti-floating anchor rod and the fixed end of the anti-floating anchor rod are not easily corroded by setting the cloth strip layer, thereby ensuring the overall strength of the anti-floating anchor rod;

[0018] 2) The utility model is conducive to all-round waterproofing of the anti-floating anchor rod under high water level geology by the joint arrangement of the water-expanding water stop strip, the lower waterproof coating layer, the upper waterproof coating layer and the waterproof coiled material layer;

[0019] 3) The utility model is conducive to improving the anchoring strength of the anti-floating anchor rod by setting the cushion layer and the cement mortar layer, and further improves the anti-floating force strength.

[0020] Other features and advantages of the utility model will be described in the subsequent description, and in part will become apparent from the description, or be understood by implementing the utility model; the main purpose and other advantages of the utility model can be realized and obtained through the solutions particularly pointed out in the description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the anti-floating anchor rod connection structure under high water level geology;

[0022] Figure 2 It is a partial schematic diagram of the anti-floating anchor connection structure under high water level geology.

[0023] Figure numerals: 1-top structure, 2-extending end of anti-floating anchor, 3-fixed end of anti-floating anchor, 4-cloth strip layer, 5-water-swelling waterstop strip, 6-soil, 7-cushion layer, 8-cement mortar layer, 9-lower waterproof coating layer, 10-plastering layer, 11-upper waterproof coating layer, 12-waterproof membrane layer. DETAILED DESCRIPTION

[0024] Taking a certain Internet industry innovation center project as an example, there are quicksand layers in three foundations on site, and the continuous water replenishment in the ecological corridor around the site has caused the groundwater level to rise. Figure 1 and Figure 2 As shown, anchor construction is carried out through an anti-floating anchor connection structure under high water level geology, and the anti-floating anchor connection structure under high water level geology comprises a top structure 1, an anti-floating anchor extension end 2 arranged inside the top structure 1, an anti-floating anchor fixed end 3 anchored in a soil body 6 and integrally connected with the anti-floating anchor extension end 2, a cloth strip layer 4 wrapped around the anti-floating anchor extension end 2 and the anti-floating anchor fixed end 3, a water-swelling waterstop strip 5 connected to the connection between the anti-floating anchor extension end 2 and the anti-floating anchor fixed end 3, and a water-swelling waterstop strip 5 connected to the connection between the anti-floating anchor extension end 2 and the anti-floating anchor fixed end 3. A cushion layer 7 is placed between the top structure 1 and the soil body 6, a cement mortar layer 8 is arranged in the cushion layer 7 and on the top of the anti-floating anchor fixed end 3, a lower waterproof coating layer 9 and an upper waterproof coating layer 11 are respectively arranged at the bottom and top of the cement mortar layer 8, a finishing layer 10 is arranged between the upper waterproof coating layer 11 and the cushion layer 7, and a waterproof roll material layer 12 is arranged on the top of the upper waterproof coating layer 11; wherein, there is a high water level groundwater layer under the soil body 6, and the soil body 6 is a hard rock or a soil body 6 that meets the anchoring design.

[0025] Among them, the cushion layer 7, the cement mortar layer 8, the lower waterproof coating layer 9, the plastering layer 10, the upper waterproof coating layer 11 and the waterproof coiled material layer 12 are arranged around the outer periphery of the cloth strip layer 4.

[0026] In this embodiment, the top structure 1 includes a basement floor, a foundation or a foundation beam, and the top structure 1 is a reinforced concrete structure; the steel bars in the top structure 1 are fixedly connected to the protruding ends 2 of the anti-floating anchor rods.

[0027] In the present embodiment, the protruding end 2 of the anti-floating anchor rod is a group of inverted L-shaped steel bars, and a group of inverted L-shaped steel bars are tied at the turning point of the steel bars by binding wire; the vertical part of the protruding end 2 of the anti-floating anchor rod is integrally connected to the fixed end 3 of the anti-floating anchor rod; the fixed end 3 of the anti-floating anchor rod includes the vertical part of the extended inverted L-shaped steel bar and a reinforcement body, and a galvanized steel casing is pre-arranged on the outer periphery of the hole formed by the reinforcement body.

[0028] In this embodiment, the fabric strip layer 4 is arranged within the height range of the steel bars at the fixed end 3 of the anti-floating anchor rod and is arranged at the middle and upper part of the vertical portion of the extended end 2 of the anti-floating anchor rod.

[0029] In this embodiment, the water-swellable waterstop strip 5 is separately provided on each inverted L-shaped steel bar, and the water-swellable waterstop strip 5 is provided between the fabric strip layer 4 and the inverted L-shaped steel bar.

[0030] In this embodiment, the cushion layer 7 is a concrete cushion layer 7, and the cushion layer 7 sinks by no less than 30 mm within a range of 250 mm around the bottom of the anti-floating anchor rod protruding end 2; a cement mortar layer 8 is provided at the corresponding sinking position.

[0031] In this embodiment, the lower waterproof coating layer 9 and the upper waterproof coating layer 11 are both cement permeable crystallization waterproof coating layers, and the lower waterproof coating layer 9 and the upper waterproof coating layer 11 are fully spread along the cement mortar layer 8 and folded upward at the bottom of the anti-floating anchor rod protruding end 2. The lower waterproof coating layer 9 is folded upward at a height of 50 mm at the bottom of the anti-floating anchor rod protruding end 2, and the lower waterproof coating layer 9 is provided with two layers; the upper waterproof coating layer 11 is folded upward at a height of 100 mm at the bottom of the anti-floating anchor rod protruding end 2 and is on the outside of the lower waterproof coating layer 9.

[0032] In this embodiment, the plastering layer 10 is a common 1:2 cement mortar layer 8 and the surface is smoothed. The plastering layer 10 is within 350 mm around the bottom of the anti-floating anchor rod protruding end 2.

[0033] In this embodiment, the waterproofing membrane layer 12 comprises a 2.0 mm thick special non-curing rubber asphalt waterproof coating + a 4 mm thick modified asphalt pre-laid waterproofing membrane. The waterproofing membrane layer 12 is folded upward 50 mm high at the bottom of the anti-floating anchor rod protruding end 2 and is on the outside of the upper waterproof coating layer 11.

[0034] The above description is only a preferred specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that a technician familiar with the technical field thinks of within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-floating anchor rod connection structure under high water level geology, characterized in that: The invention comprises a top structure (1), an anti-floating anchor rod protruding end (2) arranged inside the top structure (1), an anti-floating anchor rod fixed end (3) anchored in soil (6) and integrally connected to the anti-floating anchor rod protruding end (2), a cloth strip layer (4) wrapped around the anti-floating anchor rod protruding end (2) and the anti-floating anchor rod fixed end (3), a water-swellable water stop strip (5) connected to the connection between the anti-floating anchor rod protruding end (2) and the anti-floating anchor rod fixed end (3), and a water-swellable water stop strip (5) arranged between the top structure (1) and the soil (6). 6), a cushion layer (7) between the cushion layer (7) and the anti-floating anchor rod fixed end (3), a cement mortar layer (8) arranged in the cushion layer (7) and located on the top of the anti-floating anchor rod fixed end (3), a lower waterproof coating layer (9) and an upper waterproof coating layer (11) respectively arranged at the bottom and top of the cement mortar layer (8), a plastering layer (10) arranged between the upper waterproof coating layer (11) and the cushion layer (7), and a waterproof roll material layer (12) arranged on the top of the upper waterproof coating layer (11); wherein a high water level groundwater layer is contained under the soil body (6); The cushion layer (7), cement mortar layer (8), lower waterproof coating layer (9), plastering layer (10), upper waterproof coating layer (11) and waterproof coiled material layer (12) are arranged around the outer periphery of the cloth strip layer (4).

2. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 1, characterized in that: The top structure (1) comprises a basement floor, a foundation or a foundation beam, and the top structure (1) is a reinforced concrete structure; the steel bars in the top structure (1) are fixedly connected to the protruding ends (2) of the anti-floating anchor rods.

3. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 1, characterized in that: The anti-floating anchor rod protruding end (2) is a group of inverted L-shaped steel bars, and a group of inverted L-shaped steel bars are tied together at the turning point of the steel bars by binding wire; the vertical part of the anti-floating anchor rod protruding end (2) is integrally connected to the anti-floating anchor rod fixed end (3); the anti-floating anchor rod fixed end (3) comprises the vertical part of the inverted L-shaped steel bar and a reinforcement body, and a galvanized steel casing is pre-arranged on the outer periphery of the reinforcement body hole.

4. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 3, characterized in that: The fabric strip layer (4) is arranged within the height range of the steel bars at the fixed end (3) of the anti-floating anchor rod and is arranged at the middle and upper part of the vertical portion of the extended end (2) of the anti-floating anchor rod.

5. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 4, characterized in that: The water-swellable waterstop strip (5) is individually arranged on each inverted L-shaped steel bar, and the water-swellable waterstop strip (5) is arranged between the fabric strip layer (4) and the inverted L-shaped steel bar.

6. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 1, characterized in that: The cushion layer (7) is a concrete cushion layer (7), and the cushion layer (7) sinks by no less than 30 mm within a range of 250 mm around the bottom of the anti-floating anchor rod protruding end (2); a cement mortar layer (8) is provided at the corresponding sinking position.

7. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 6, characterized in that: The lower waterproof coating layer (9) and the upper waterproof coating layer (11) are both cement permeable crystallized waterproof coating layers. The lower waterproof coating layer (9) and the upper waterproof coating layer (11) are fully spread along the cement mortar layer (8) and are folded upward at the bottom of the protruding end (2) of the anti-floating anchor rod.

8. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 7, characterized in that: The lower waterproof coating layer (9) is folded upwards to a height of 50 mm at the bottom of the anti-floating anchor rod protruding end (2), and two layers of the lower waterproof coating layer (9) are provided; the upper waterproof coating layer (11) is folded upwards to a height of 100 mm at the bottom of the anti-floating anchor rod protruding end (2) and is located outside the lower waterproof coating layer (9).

9. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 8, characterized in that: The plastering layer (10) is a cement mortar layer (8) with a smooth surface, and the plastering layer (10) is within a range of 350 mm around the bottom of the protruding end (2) of the anti-floating anchor rod.

10. The anti-floating anchor rod connection structure under high water level geology as claimed in claim 9, characterized in that: The waterproof roll material layer (12) comprises a non-cured rubber asphalt waterproof coating and a modified asphalt pre-paved waterproof roll material layer (12), and the waterproof roll material layer (12) is folded upwards by 50 mm at the bottom of the anti-floating anchor rod protruding end (2) and is on the outside of the upper waterproof coating layer (11).

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