CN215759208U - Anti-floating anchor rod construction structure - Google Patents
Anti-floating anchor rod construction structure Download PDFInfo
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- CN215759208U CN215759208U CN202121353191.1U CN202121353191U CN215759208U CN 215759208 U CN215759208 U CN 215759208U CN 202121353191 U CN202121353191 U CN 202121353191U CN 215759208 U CN215759208 U CN 215759208U
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- anchor rod
- floating
- reinforcing steel
- steel bars
- floating anchor
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Abstract
The utility model discloses an anti-floating anchor rod construction structure. The anti-floating anchor rod is positioned in the center of the anchor rod hole, a plurality of anchor rod reinforcing steel bars are symmetrically welded and fixed on the periphery of the anti-floating anchor rod, positioning reinforcing steel bars are arranged on the outer side of each anchor rod reinforcing steel bar along the radial direction of the anchor rod hole, and the outer ends of the positioning reinforcing steel bars are positioned on the peripheral wall of the anchor rod hole and fixed; the anti-floating anchor rod, the anchor rod reinforcing steel bars and the positioning reinforcing steel bars are positioned in the anchor rod hole forming part and are solidified through cement mortar; an expansion water stop strip is covered and arranged at the opening at the top of the anchor rod hole forming, the anti-floating anchor rod and the peripheral surface of the anchor rod reinforcing steel bar, and a water resisting plate is covered and arranged at the top of the anti-floating construction foundation pit; the basement bottom plate is arranged above the water-resistant plate and on the tops of the anti-floating anchor rods and the anchor rod steel bars. The anti-floating anchor rod construction structure can conveniently and stably fix the whole anchor rod structure in the foundation pit hole, can ensure the positioning accuracy, can also ensure the stability of the structure after the structure is fixed, improves the anti-floating performance of the whole anti-floating structure, and ensures the structural safety of the underground space.
Description
Technical Field
The utility model belongs to the technical field of building construction, particularly belongs to the technical field of underground building construction, and relates to an anti-floating anchor rod construction structure.
Background
Along with the rapid development of urban construction, the demand of people on underground space is more and more urgent, and the development and utilization of the underground space can greatly improve the space utilization rate of urban land and relieve the contradiction between the urban development and the land resource shortage. However, in the development process of the underground space, the phenomenon that the dead weight of the underground structure is always smaller than the buoyancy of underground water is frequently encountered, how to ensure the structural safety of the underground space is ensured, particularly in regions with abundant underground water, the effect of the buoyancy generated by the underground water on the underground space is not negligible, a general multi-story building usually adopts a foundation form of a single foundation and a waterproof board, anti-floating bolts are mostly adopted in anti-floating measures, but the anti-floating bolts are used as long and thin members anchored in a soil layer, the construction is difficult in a water-rich stratum, and the common quality conditions influencing the safety and the functionality are more encountered in the construction process, so that the construction of the anti-floating bolts needs to be further researched and a safer and more effective anti-floating bolt structure is provided.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an anti-floating anchor rod construction structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an anti-floating anchor rod construction structures, anti-floating anchor rod construction erect in anti-floating construction foundation ditch, in the fashioned stock pore-forming of drilling in advance, its characterized in that:
the anti-floating anchor rod is positioned in the center of the anchor rod hole, a plurality of anchor rod reinforcing steel bars are symmetrically welded and fixed on the periphery of the anti-floating anchor rod, positioning reinforcing steel bars are arranged on the outer side of each anchor rod reinforcing steel bar along the radial direction of the anchor rod hole, and the outer ends of the positioning reinforcing steel bars are positioned on the peripheral wall of the anchor rod hole and fixed; the anti-floating anchor rod, the anchor rod reinforcing steel bars and the positioning reinforcing steel bars are positioned in the anchor rod hole forming part and are solidified through cement mortar;
an expansion water stop strip is covered and arranged at the opening at the top of the anchor rod hole forming, the anti-floating anchor rod and the peripheral surface of the anchor rod reinforcing steel bar, and a water resisting plate is covered and arranged at the top of the anti-floating construction foundation pit; the basement bottom plate is arranged above the water-resistant plate and on the tops of the anti-floating anchor rods and the anchor rod steel bars.
A symmetrical arrangement structure of the anchor rod reinforcing steel bars is characterized in that three anchor rod reinforcing steel bars which are in a regular triangle shape are symmetrically welded and fixed on the periphery of the anti-floating anchor rod.
The other symmetrical arrangement structure of the anchor rod reinforcing steel bars is that four square anchor rod reinforcing steel bars are symmetrically welded and fixed on the periphery of the anti-floating anchor rod.
The top of the anchor rod reinforcing steel bar is bent, and the bent position of the anchor rod reinforcing steel bar is positioned at the top of the water-resisting plate and is fixedly supported and contacted with the bottom of the basement bottom plate.
The top end of the anti-floating anchor rod is located at the top of the anti-water plate and is in supporting contact with and fixed to the bottom of the basement bottom plate, and the bottom end of the anti-floating anchor rod and the bottom end of the anchor rod steel bar are located in anchor rod hole forming and are fixedly connected.
The utility model has the beneficial effects that:
the anti-floating anchor rod construction structure can conveniently and stably fix the whole anchor rod structure in the foundation pit hole, can ensure the positioning accuracy, meanwhile, the stability of the structure after positioning and fixing can be ensured, the anti-floating performance of the whole anti-floating structure is improved, the structural safety of the underground space is ensured, meanwhile, the construction process is relatively simple, the construction efficiency of the anti-floating anchor rod can be improved by 20 percent, the construction period is shortened by not less than 10 percent, the construction cost is reduced by not less than 3 percent, the investment of managers is reduced by more than 20 percent, meanwhile, the construction quality of the anti-floating anchor rod is ensured to be qualified, the hole forming accuracy is improved, the grouting quality is ensured, the reworking operation is avoided, and meanwhile, the waterproof quality of the node is ensured to be qualified, the waterproof construction quality is improved, the waterproof construction time is shortened, the labor cost of waterproof maintenance treatment is saved, the whole structure design is simplified, the manufacturing cost is low, and good economic benefits are achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the triangular distribution of anchor bar reinforcement of the present invention;
fig. 3 is a top view of a square distribution of anchor bar reinforcement of the present invention.
Illustration of the drawings:
1 is anti floating construction foundation ditch, 2 is the stock pore-forming, 3 is anti floating anchor, 4 is the stock reinforcing bar, 5 is the spacer bar, 6 is the filling layer, 7 is the inflation sealing rod, 8 is the water-resistant board, 9 is the basement bottom plate.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the utility model and is not intended to limit the utility model in any way, but is equivalent or analogous to the present invention without departing from its scope.
With reference to the attached drawings.
As shown in fig. 1 to 3, an anti-floating anchor rod construction structure, including anti-floating construction foundation ditch 1, be provided with stock pore-forming 2 in the anti-floating construction foundation ditch 1, 2 interior center departments of stock pore-forming are provided with anti-floating anchor rod 3, the external fixed surface of anti-floating anchor rod 3 is connected with stock reinforcing bar 4, be provided with filling layer 6 in the stock pore-forming 2, and be close to the top position in stock pore-forming 2 and be located anti-floating anchor rod 3 and stock reinforcing bar 4 surface and be provided with inflation sealing rod 7, the top of anti-floating construction foundation ditch 1 is provided with anti water board 8, and on the anti-floating construction foundation ditch 1 and be located 3 top positions of anti-floating anchor rod and be provided with basement bottom plate 9.
When using anti-floating anchor construction structures, 1 position of construction foundation ditch is floated in the opposition through the rig and is drilled, form anchor rod pore-forming 2, and clear hole work is carried out to anchor rod pore-forming 2, weld positioning reinforcement 5 on anchor rod reinforcing bar 4 through the welded mode, weld anchor rod reinforcing bar 4 on anti-floating anchor rod 3 again, insert anti-floating anchor rod 3 in the pore-forming, fix a position through positioning reinforcement 5, can guarantee the accurate nature of anchor rod location, slip casting is carried out after the location is accomplished, wait for naturally fixed after the slip casting is accomplished, can accomplish anti-floating anchor rod 3's construction operation, set up a plurality of stocks in an area, can form overall structure, thereby can promote the whole barrier propterty of bottom plate.
In the further scheme, stock reinforcing bar 4 adopts welded mode and anti-floating anchor 3 to carry out fixed connection, stock reinforcing bar 4 can set up to three being regular triangle, four are the square, as shown in fig. 2, stock reinforcing bar 4 sets up to three being regular triangle position, stock reinforcing bar 4 sets up to four being the square setting as shown in fig. 3, can promote the stability that anti-floating anchor 3 structure set up through the setting of a plurality of stock reinforcing bars 4, can effectively deal with the condition such as weak intermediate layer in some rich water stratums, promote the structural strength of construction structure, thereby the stability and the security of whole stock structure have been guaranteed, according to the demand of difference, the distribution mounting means of optional different forms.
In the further scheme, the diameter of anti-floating anchor rod 3 is 160mm, putting into of stock reinforcing bar 4 is 22mm, sets up the anti-floating leak protection effect that can effectively promote the bottom plate through anti-floating anchor rod 3 and stock reinforcing bar 4's cooperation.
In the further scheme, the external fixed surface of stock reinforcing bar 4 is connected with positioning bar 5, can guarantee through positioning bar 5 that stock reinforcing bar 4 can carry out accurate location to can drive anti-floating anchor 3 can be accurate fix a position in the pore-forming, thereby guaranteed the accurate nature and the stability of whole construction installation.
In the further scheme, the top of stock reinforcing bar 4 sets up for bending, and the stock reinforcing bar 4 position of bending is corresponding with 8 top positions of water-resistant board, 9 bottom positions of basement bottom plate, can promote whole anti-floating anchor 3's structural strength through setting up of stock reinforcing bar 4, can promote overall structure's stability.
In a further scheme, the material of the filling layer 6 is M30 cement mortar, and the stability of positioning and fixing of the anchor rod structure can be guaranteed by filling the cement mortar, so that the leakage condition in a water-rich stratum can be effectively dealt with, and the waterproof construction quality is improved.
Claims (5)
1. The utility model provides an anti-floating anchor rod construction structures, anti-floating anchor rod construction erect in anti-floating construction foundation ditch, in the fashioned stock pore-forming of drilling in advance, its characterized in that:
the anti-floating anchor rod is positioned in the center of the anchor rod hole, a plurality of anchor rod reinforcing steel bars are symmetrically welded and fixed on the periphery of the anti-floating anchor rod, positioning reinforcing steel bars are arranged on the outer side of each anchor rod reinforcing steel bar along the radial direction of the anchor rod hole, and the outer ends of the positioning reinforcing steel bars are positioned on the peripheral wall of the anchor rod hole and fixed; the anti-floating anchor rod, the anchor rod reinforcing steel bars and the positioning reinforcing steel bars are positioned in the anchor rod hole forming part and are solidified through cement mortar;
an expansion water stop strip is covered and arranged at the opening at the top of the anchor rod hole forming, the anti-floating anchor rod and the peripheral surface of the anchor rod reinforcing steel bar, and a water resisting plate is covered and arranged at the top of the anti-floating construction foundation pit; the basement bottom plate is arranged above the water-resistant plate and on the tops of the anti-floating anchor rods and the anchor rod steel bars.
2. The anti-floating anchor rod construction structure according to claim 1, wherein: three regular-triangular anchor rod reinforcing steel bars are symmetrically welded and fixed on the periphery of the anti-floating anchor rod.
3. The anti-floating anchor rod construction structure according to claim 1, wherein: four anchor rod reinforcing bars which are square are symmetrically welded and fixed on the periphery of the anti-floating anchor rod.
4. The anti-floating anchor rod construction structure according to claim 2 or 3, wherein: the top of stock reinforcing bar sets up for bending, and the stock reinforcing bar position of bending is located anti water board top position and supports the contact with basement bottom plate bottom position and fix.
5. The anti-floating anchor construction structure according to claim 4, wherein: the top end of the anti-floating anchor rod is located at the top of the anti-water plate and is in supporting contact with and fixed to the bottom of the basement bottom plate, and the bottom end of the anti-floating anchor rod and the bottom end of the anchor rod steel bar are located in anchor rod hole forming and are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353191.1U CN215759208U (en) | 2021-06-17 | 2021-06-17 | Anti-floating anchor rod construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353191.1U CN215759208U (en) | 2021-06-17 | 2021-06-17 | Anti-floating anchor rod construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215759208U true CN215759208U (en) | 2022-02-08 |
Family
ID=80100973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353191.1U Active CN215759208U (en) | 2021-06-17 | 2021-06-17 | Anti-floating anchor rod construction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215759208U (en) |
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2021
- 2021-06-17 CN CN202121353191.1U patent/CN215759208U/en active Active
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