CN215482926U - Novel anti-floating anchor rod mechanical anchoring connection structure - Google Patents
Novel anti-floating anchor rod mechanical anchoring connection structure Download PDFInfo
- Publication number
- CN215482926U CN215482926U CN202121076280.6U CN202121076280U CN215482926U CN 215482926 U CN215482926 U CN 215482926U CN 202121076280 U CN202121076280 U CN 202121076280U CN 215482926 U CN215482926 U CN 215482926U
- Authority
- CN
- China
- Prior art keywords
- anchor rod
- anchoring
- positioning
- anchor
- floating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004873 anchoring Methods 0.000 title claims abstract description 57
- 239000002689 soil Substances 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 7
- 238000009432 framing Methods 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a novel mechanical anchoring and connecting structure of an anti-floating anchor rod, which comprises a basement bottom plate, an anchor rod connected to the basement bottom plate and a lower soil body, an anchoring head connected to the top of the anchor rod, a sleeve connected to the upper part of a soil body section of the anchor rod, a positioning piece connected to the joint of the soil body of the anchor rod and the basement and a support frame connected between the anchor rod and a drill hole. According to the utility model, the mechanically anchored anti-floating anchor rod is manufactured by the high-strength steel bars, so that the steel bars are effectively utilized, the thickness of the bottom plate concrete and the excavation depth of the foundation pit are further reduced, and the cost is greatly saved; the positioning, fixing, water proofing and corrosion preventing treatment during mechanical anchoring greatly ensures the construction quality and the stress performance; the free sections of the grouped anchor rods are partitioned by the combination of the sleeve and the partition frame; through the setting of setting element, do benefit to the angle of injecing the stock anchor section, and guarantee the wholeness of connecting still further.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a novel mechanical anchoring and connecting structure of an anti-floating anchor rod.
Background
Along with the rapid development of the building industry in China, the development and utilization of urban underground space resources are more and more emphasized, and underground buildings are often influenced by underground water to have the phenomena of integral floating of foundations, inclination of upper buildings, cracking of foundation bottom plates and the like. The anti-floating anchor rod is more and more widely applied due to the advantages of high bearing capacity, capability of dispersing stress, convenience in construction, low manufacturing cost and the like. Especially, in the region with higher underground water level, the weight of the built building and the weight of the soil covering cannot meet the anti-floating requirement of the structure, so the anti-floating design is needed, and the overall sectional design and the positioning of the anti-floating anchor rod, the connection with a basement bottom plate and the like are lack of targeted design.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel mechanical anchoring and connecting structure of an anti-floating anchor rod, which is used for solving the technical problems of integral segmented design and positioning of the anti-floating anchor rod, connection with a basement bottom plate and the like.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a novel mechanical anchoring and connecting structure of an anti-floating anchor rod comprises a basement bottom plate, an anchor rod connected to the basement bottom plate and a lower soil body, an anchoring head connected to the top of the anchor rod, a sleeve connected to the upper part of a soil body section of the anchor rod, a positioning piece connected to the joint of the soil body of the anchor rod and the basement and a support frame connected between the anchor rod and a drill hole;
the anchor rod comprises an anchor rod anchoring section in the range of the basement bottom plate, an anchor rod free section connected to the upper part of the soil body and a main rib connected to the lower part of the soil body, and the anchor rod is made of high-strength reinforcing steel bars;
the anchor rods are arranged in groups, each group of anchor rods is not less than two anchor rods, and the same number of framing is arranged in each group corresponding to the separation frame.
Further, the anchor rod free section is not less than 1.5m, and the outer side of the anchor rod free section is coated with anticorrosive oil or anticorrosive paint.
Furthermore, the anchor rod anchoring section is radial to the periphery, and the height of the anchor rod anchoring section is arranged corresponding to the basement bottom plate; the anchoring section of the anchor rod is in threaded connection with the anchoring head, and 1-1.5 p of screw threads are leaked outside; the anchoring plate is a circular plate made of a steel plate.
Furthermore, the sleeve is a plastic pipe, the sleeve is sleeved with the outer side of the free section of the group of anchor rods, and two ends of the sleeve are tightly connected with the free end of the anchor rod.
Furthermore, the length of the sleeve is 100mm longer than that of the free section of the anchor rod, and the thickness of cement paste at the top sealing position is not less than 100 mm.
Furthermore, the end part of the main rib extends into the supporting layer, and the end part is downward radial; and the main ribs are provided with supporting frames at intervals.
Furthermore, the supporting and fixing frame is in a v-21274shape, the vertical edge of the supporting and fixing frame is abutted against the wall of the drilling hole, and the upper edge and the lower edge of the supporting and fixing frame are arranged in a splayed shape and are provided with vertical side edges to be connected with the main ribs.
Furthermore, the separation frame comprises a separation connecting shaft, a separation plate connected to the separation connecting shaft at intervals and a limiting hoop connected with the separation connecting plate correspondingly; the partition plates are connected with free sections of the anchoring rods between two partition plates in a framing mode corresponding to the number of the anchor rods, and V-shaped hoops are arranged corresponding to the main ribs or the free sections of the anchoring rods; the separation frame comprises a 8-shaped structure, a herringbone structure, a field-shaped structure or a meter-shaped structure.
Furthermore, the locating piece contains the locating plate, sets up locating hole on the locating plate and connects even a section of thick bamboo under the location of locating plate below, the locating hole corresponds the stock anchor section setting, and even a section of thick bamboo of location is connected with the grout in the drilling.
Furthermore, the locating plate is connected above the basement cushion layer, and the top surface of the locating plate is chiseled or connected with a short rib to be connected with and fixed on the basement bottom plate.
The utility model has the beneficial effects that:
1) according to the utility model, the mechanically anchored anti-floating anchor rod is manufactured by the high-strength steel bars, so that the steel bars are effectively utilized, the thickness of the bottom plate concrete and the excavation depth of the foundation pit are further reduced, and the cost is greatly saved; the positioning, fixing, water proofing and corrosion preventing treatment during mechanical anchoring greatly ensures the construction quality and the stress performance;
2) by arranging the sleeve, on one hand, the free anchoring sections can be protected and the integral connection is facilitated, and on the other hand, the free anchoring sections are combined with the separation frame and partitioned;
3) the arrangement of the positioning piece is favorable for limiting the extension angle of the anchoring section of the anchor rod, and the connection integrity is further ensured;
in addition, the utility model has simple and convenient manufacture, is easy to adjust according to construction requirements, can greatly save construction cost and ensure construction quality; additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model; the primary objects and other advantages of the utility model may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of a mechanical anchoring connection structure of a novel anti-floating anchor rod;
FIG. 2 is a schematic view of a mechanical anchoring local connection structure of the novel anti-floating anchor rod;
FIG. 3 is an anchor head position profile;
FIG. 4 is a cross-sectional view of the free section of the anchor rod connection;
FIG. 5 is a schematic view of a spacer structure;
FIG. 6 is a schematic view of a spacer with a spacing clip;
fig. 7 is a schematic view of the positioning member structure.
Reference numerals: 1-basement bottom plate, 2-anchor rod free section, 3-anchor rod anchoring section, 4-anchoring head, 5-casing, 6-cement paste, 7-main rib, 8-supporting frame, 9-separating frame, 91-separating connecting shaft, 92-separating plate, 93-limiting hoop, 10-positioning piece, 101-positioning plate, 102-positioning hole and 103-positioning lower connecting cylinder.
Detailed Description
Taking a project in Nanjing city as an example, the overground main structure comprises 5 layers, local 4 layers and 2 layers of a basement. The foundation design grade is grade A, 3506 anchor rods are designed totally, more underground karst caves are displayed according to the geological survey report, and the karst caves are in a full filling state and a half filling state; the environment category is a micro-corrosive environment; construction is carried out through the novel mechanical anchoring connection structure of the anti-floating anchor rod.
As shown in fig. 1 to 7, a novel mechanical anchoring structure for anti-floating anchor rods comprises a basement bottom plate (1), anchor rods connected to the basement bottom plate (1) and lower soil, anchoring heads (4) connected to the tops of the anchor rods, sleeves (5) connected to the upper parts of the anchor rod soil body sections, positioning pieces (10) connected to the joints of the anchor rod soil body and the basement, and a support frame (8) connected between the anchor rods and a drill hole;
in the embodiment, the end part of the main rib (7) extends into the supporting layer, and the end part is downward radial; the main ribs (7) are provided with supporting frames (8) at intervals. The supporting frame (8) is in a steel-21274shape, the vertical edge of the supporting frame is abutted against the wall of the drilling hole, the upper edge and the lower edge of the supporting frame are arranged in a splayed shape and are provided with vertical side edges which are connected with the main ribs (7).
As shown in fig. 2 and 3, the anchor rod comprises an anchor rod anchoring section (3) in the range of the basement bottom plate (1), an anchor rod free section (2) connected to the upper part of the soil body and a main reinforcement (7) connected to the lower part of the soil body, and the anchor rod is made of a high-strength reinforcing steel bar; the anchor rods are arranged in groups, each group of anchor rods is not less than two anchor rods, and the same number of framing is arranged in each group corresponding to the separation frame (9).
In this embodiment, a set of stock is provided with three, and three stock is 120 contained angles and sets up. The anchor rod free section (2) is not less than 1.5m, and the outer side of the anchor rod free section (2) is coated with anticorrosive oil or anticorrosive paint. The anchor rod anchoring sections (3) are radial to the periphery, and the height of the anchor rod anchoring sections (3) is arranged corresponding to the basement bottom plate (1); the anchor rod anchoring section (3) is in threaded connection with the anchoring head (4), and 1-1.5 p of screw threads are leaked outside; the anchoring plate is a circular plate made of a steel plate.
In the embodiment, the sleeve (5) is a plastic pipe, the sleeve (5) is sleeved with the outer side of the free section (2) of the group of anchor rods, and two ends of the sleeve (5) are tightly connected with the free end of the anchor rod. The length of the sleeve (5) is 100mm longer than that of the anchor rod free section (2), and the thickness of cement paste (6) at the top sealing position is not less than 100 mm. During construction, a PE pipe with the diameter of 32mm is sleeved at the position of the free section, the PE pipe is slightly longer than the anchor rod free section (2) by about 100mm, two ends of the PE pipe are hot-melted by a baking lamp to be bonded with the reinforcing steel bars, and after natural cooling, the two ends of the PE pipe are wound by an engineering waterproof adhesive tape to further prevent water, so that the gap between the PE pipe and the reinforcing steel bars is ensured.
As shown in fig. 4 to 6, the separating frame (9) comprises a separating connecting shaft (91), a ring-shaped separating plate (92) connected to the separating connecting shaft (91) at intervals, and a limiting hoop (93) connected corresponding to the separating connecting plate; the partition plates (92) are connected with free sections of anchoring rods between two partition plates (92) in a framing mode corresponding to the number of a group of anchor rods, and V-shaped hoops are arranged corresponding to the main ribs (7) or the free sections of the anchoring rods; the separation frame (9) comprises a 8-shaped frame, a herringbone frame, a field-shaped frame or a meter-shaped frame.
In this embodiment, a set of stock is three, and the separate shelf (9) is for the herringbone from this, or and it is spacing to be convenient for the side direction to correspond the clamp of stock free end diameter fixed connection V font, and the clamp of V font sets up at stock free end interval.
As shown in fig. 7, the positioning element (10) is a steel element, the positioning element (10) includes a positioning plate (101), a positioning hole (102) disposed on the positioning plate (101), and a positioning lower connecting cylinder (103) connected below the positioning plate (101), the positioning hole (102) is disposed corresponding to the anchor rod anchoring section (3), and the positioning connecting cylinder is connected with the cement slurry (6) in the drill hole. The positioning plate (101) is connected above the basement cushion layer, and the top surface of the positioning plate (101) is chiseled or connected with a short rib to be connected and fixed with the basement bottom plate (1). Wherein, the positioning cylinder is internally or externally provided with rough surfaces, which is beneficial to being fully connected with cement slurry (6).
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. A novel mechanical anchoring and connecting structure of an anti-floating anchor rod is characterized by comprising a basement bottom plate (1), an anchor rod connected to the basement bottom plate (1) and lower soil, an anchoring head (4) connected to the top of the anchor rod, a sleeve (5) connected to the upper part of the anchor rod soil body section, a positioning piece (10) connected to the joint of the anchor rod soil body and the basement, and a support frame (8) connected between the anchor rod and a drill hole;
the anchor rod comprises an anchor rod anchoring section (3) in the range of the basement bottom plate (1), an anchor rod free section (2) connected to the upper part of a soil body and a main rib (7) connected to the lower part of the soil body, and the anchor rod is made of high-strength reinforcing steel bars;
the anchor rods are arranged in groups, each group of anchor rods is not less than two anchor rods, and the same number of framing is arranged in each group corresponding to the separation frame (9).
2. A novel mechanical anchoring and connecting structure of anti-floating anchor rod according to claim 1, characterized in that the free section (2) of the anchor rod is not less than 1.5m, and the outside of the free section (2) of the anchor rod is coated with anti-corrosive oil or paint.
3. The novel mechanical anchoring and connecting structure of the anti-floating anchor rod as claimed in claim 2, wherein the anchoring sections (3) of the anchor rod are radial around, and the height of the anchoring sections (3) of the anchor rod is arranged corresponding to the basement bottom plate (1); the anchor rod anchoring section (3) is in threaded connection with the anchoring head (4), and 1-1.5 p of screw threads are leaked outside; the anchoring plate is a circular plate made of a steel plate.
4. A new type of mechanical anchoring structure of anti-floating anchor rod according to claim 1, characterized in that the sleeve (5) is a plastic pipe, the sleeve (5) is sleeved and connected with the outside of the free section (2) of a group of anchor rods, and both ends of the sleeve (5) are tightly connected with the free end of the anchor rod.
5. A novel mechanical anchoring and connecting structure for anti-floating anchor rods according to claim 4, characterized in that the length of the sleeve (5) is 100mm longer than the free section (2) of the anchor rod, and the thickness of the cement paste (6) at the top sealing position is not less than 100 mm.
6. A novel mechanical anchoring structure of anti-floating anchor rod according to claim 1, characterized in that the end of the main rib (7) is extended into the supporting layer and the end is downward radial; and the main ribs (7) are provided with supporting frames (8) at intervals.
7. A novel mechanical anchoring and connecting structure of anti-floating anchor rod according to claim 6, characterized in that the supporting frame (8) is of a v-21274whose vertical edge is abutted against the wall of the drilled hole, and whose upper and lower edges are arranged in a splayed manner and have vertical side edges connected with the main bar (7).
8. The novel mechanical anchoring and connecting structure of the anti-floating anchor rod as claimed in claim 6, wherein the partition frame (9) comprises a partition connecting shaft (91), an annular partition plate (92) connected with the partition connecting shaft (91) at intervals, and a limiting hoop (93) connected with the corresponding partition connecting plate; the partition plates (92) are connected with free sections of anchoring rods between two partition plates (92) in a framing mode corresponding to the number of a group of anchor rods, and V-shaped hoops are arranged corresponding to the main ribs (7) or the free sections of the anchoring rods; the separation frame (9) comprises a 8-shaped frame, a herringbone frame, a field-shaped frame or a meter-shaped frame.
9. The novel mechanical anchoring and connecting structure of the anti-floating anchor rod as claimed in claim 1, wherein the positioning member (10) comprises a positioning plate (101), a positioning hole (102) arranged on the positioning plate (101), and a positioning lower connecting cylinder (103) connected below the positioning plate (101), the positioning hole (102) is arranged corresponding to the anchoring section (3) of the anchor rod, and the positioning connecting cylinder is connected with cement paste (6) in the drill hole.
10. The new mechanical anchoring structure of anti-floating anchor rod as claimed in claim 9, wherein said positioning plate (101) is connected above the basement cushion layer, and the top surface of the positioning plate (101) is chiseled or connected with short ribs to connect with the basement bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121076280.6U CN215482926U (en) | 2021-05-19 | 2021-05-19 | Novel anti-floating anchor rod mechanical anchoring connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121076280.6U CN215482926U (en) | 2021-05-19 | 2021-05-19 | Novel anti-floating anchor rod mechanical anchoring connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215482926U true CN215482926U (en) | 2022-01-11 |
Family
ID=79778813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121076280.6U Active CN215482926U (en) | 2021-05-19 | 2021-05-19 | Novel anti-floating anchor rod mechanical anchoring connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215482926U (en) |
-
2021
- 2021-05-19 CN CN202121076280.6U patent/CN215482926U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103806462B (en) | Power transmission circuit soil layer steel strand prestress expands anchor pole basis, the end | |
| CN204982864U (en) | Insert steel reinforcement cage behind long spiral pore -forming guncreting | |
| CN201232197Y (en) | Combined inspection well | |
| CN206768861U (en) | A kind of reinforcement ring retaining wall | |
| CN209873839U (en) | Steel corrugated plate concrete open caisson | |
| CN112627846B (en) | Composite supporting system and method suitable for soft rock large-deformation tunnel/roadway | |
| CN215482926U (en) | Novel anti-floating anchor rod mechanical anchoring connection structure | |
| CN110055953A (en) | Miniature steel pipe pile and its construction method can be recycled in a kind of plural serial stage assembled | |
| CN202755385U (en) | Anti-floating structure of shallow-buried shield tunnel | |
| CN206607675U (en) | A kind of basement composite external wall anti-cracking and seepage control structure construction | |
| CN105003088A (en) | Construction method for omitting embedded parts during steel structure construction | |
| CN212983870U (en) | Circular working pit supporting member | |
| CN210658418U (en) | Novel prestressed anchor bolt fan foundation | |
| CN210288467U (en) | Assembled integral underground space retaining wall | |
| CN210263039U (en) | Waterproof sealing anti-floating anchor rod | |
| CN210797899U (en) | Cast-in-situ composite tooth groove connection assembly type shear wall structure | |
| CN109594559B (en) | Detachable counterforce anchor rod assembly and application method thereof | |
| CN107217777B (en) | Large-space steel skeleton grid suspended ceiling conversion supporting structure and construction method | |
| KR101143553B1 (en) | Construction method for building remodeling by using pc panel for building remodeling, and connecting structure for remodeling pc panel | |
| CN216640630U (en) | Concrete pile and concrete pile device | |
| CN220451890U (en) | Prefabricated well plate assembly structure | |
| CN218952168U (en) | Anti-floating anchor rod structure | |
| CN212427088U (en) | Rock expansion anchor rod | |
| CN219992428U (en) | Pressure type uplift pile with non/slow bonding steel strand and cylindrical pressure bearing piece | |
| CN215857676U (en) | Smooth surface free section PSB finish rolling prestress anti-floating anchor rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |