CN217923548U - Anchoring structure for foundation pit protection - Google Patents
Anchoring structure for foundation pit protection Download PDFInfo
- Publication number
- CN217923548U CN217923548U CN202221347881.0U CN202221347881U CN217923548U CN 217923548 U CN217923548 U CN 217923548U CN 202221347881 U CN202221347881 U CN 202221347881U CN 217923548 U CN217923548 U CN 217923548U
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- Prior art keywords
- anchor
- anchoring
- rod
- foundation pit
- stock
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Links
- 238000004873 anchoring Methods 0.000 title claims abstract description 59
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 18
- 239000002689 soil Substances 0.000 abstract description 18
- 230000008093 supporting effect Effects 0.000 abstract description 9
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 238000007569 slipcasting Methods 0.000 abstract description 5
- 230000001502 supplementing effect Effects 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 abstract description 2
- QTCANKDTWWSCMR-UHFFFAOYSA-N costic aldehyde Natural products C1CCC(=C)C2CC(C(=C)C=O)CCC21C QTCANKDTWWSCMR-UHFFFAOYSA-N 0.000 abstract 3
- ISTFUJWTQAMRGA-UHFFFAOYSA-N iso-beta-costal Natural products C1C(C(=C)C=O)CCC2(C)CCCC(C)=C21 ISTFUJWTQAMRGA-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an anchoring structure for foundation pit protection, which comprises an anchoring strip and an anchor head; the anchoring strip is formed by sequentially connecting a plurality of anchoring chain links; the anchoring chain link comprises an anchor cable and an anchor rod; the plurality of anchor chain links are connected with the anchor rod in sequence through anchor cables; the utility model discloses the structure sets up ingeniously, the utility model discloses an ingenious design chain anchor main part adopts the flexibility of anchor chain link anchor rope to have the rigidity of stock simultaneously concurrently, and the anchor rope bears the pulling force, improves vertical cling compound power, and the stock is favorable to supplementing rigidity and intensity because of the drilling influence, and the cooperation slip casting improves the excavation supporting effect of anchor. The utility model discloses further concrete design anchor chain link is equipped with the costal spur on the stock, the costal spur is the heliciform and arranges on the stock, further improves the anchor effect, and the costal spur of being convenient for when twisting simultaneously anchors the soil layer in, improves the anchor effect, evenly be equipped with transverse penetration hole on the stock, the follow-up slip casting of being convenient for is injected and is formed wholly, further improves the anchor effect.
Description
Technical Field
The utility model relates to a foundation ditch protection technical field specifically is an anchor structure for foundation ditch protection.
Background
Whether a supporting structure is adopted for foundation pit excavation or not, which supporting structure is adopted, is determined by comprehensive analysis and comparison of economy, technology and environment according to the surrounding environment of the foundation pit, the condition of an underground structure, the excavation depth of the foundation pit, the engineering geological and hydrogeological conditions, the construction season, the regional engineering experience and the like.
The excavation supporting structure system generally includes two parts, namely a soil retaining structure and a precipitation water stopping system. Pile and wall type supporting structures often adopt steel sheet piles, reinforced concrete sheet piles, column type cast-in-place piles, underground continuous walls and the like. According to the soil condition and the size of the foundation pit, the foundation pit can be designed to be cantilever type, inner support type or anchor type. The gravity type supporting structure mostly adopts a cement soil mixing pile retaining wall, a soil nailing wall and the like. When the supporting structure can not play a role in water stopping, a water stopping curtain can be arranged or precipitation outside the pit can be adopted at the same time so as to achieve the purpose of controlling underground water, so that the foundation pit earthwork can be excavated under the dry operation condition;
the earth-retaining lateral wall of foundation ditch is strutted and is adopted anchor rope or stock to anchor most commonly, however traditional anchor rope or stock all have corresponding good and bad reason, lack the anchor structure that has anchor rope and stock concurrently in the practical application process, for this reason, the inventor is exploring the anchor structure of a novel foundation ditch protection in study and practice process, and cooperation slip casting improves foundation ditch supporting effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anchor structure is used in foundation ditch protection to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an anchoring structure for protecting a foundation pit,
comprises an anchoring strip and an anchor head;
the anchoring strip is formed by connecting a plurality of anchoring chain links in sequence;
the anchoring chain link comprises an anchor cable and an anchor rod; the plurality of anchor chain links are connected with the anchor rod in sequence through anchor cables;
the anchor head comprises a fixed cylinder and a line rod;
one end of the fixed cylinder is connected to the anchor rod at the outer end of the anchoring strip, and the other end of the fixed cylinder is fixedly connected with a plurality of line rods;
when the anchor rod is in operation, the anchor rod and the anchor head extend into a soil body drilled hole on the side wall of a foundation pit, the chain type anchor rod has the flexibility of the anchor rope and has the rigidity of the anchor rod, the anchor rod is favorable for being penetrated into the drilled hole, the anchor rope bears tension force, the longitudinal sliding resistance is improved, the anchor rod is favorable for supplementing the rigidity and the strength which are influenced by the drilled hole, the anchor head is abutted against the soil layer after the anchor rod is completely penetrated, the middle part of the anchor rod is bent and deformed into an expanded wire ball after being extruded and anchored into the surrounding soil layer, and then the subsequent anchoring grouting is matched, so that the anchoring effect of the side wall of the foundation pit is comprehensively improved;
as a further aspect of the present invention: the anchor rod is provided with the rib thorns which are spirally arranged on the anchor rod, so that the anchoring effect is further improved, and the rib thorns can be conveniently anchored into a soil layer during twisting;
as a further aspect of the present invention: the anchor rod is uniformly provided with transverse through holes, so that subsequent grouting can be conveniently injected into the anchor rod to form a whole, and the anchoring effect is further improved;
as a further aspect of the present invention: fins are fixed in the transverse through holes, and two ends of each fin extend out of two sides of the anchor rod; the fins provide inner ribs for subsequent grouting anchoring, so that the anchoring effect is further improved;
as the utility model discloses a further scheme again: anchor rings connected with the anchor cables are arranged at the two ends of the anchor rod; a plurality of anchoring chain links are connected with the anchor ring in sequence through anchor cables to form a chain type anchoring main body; the knot of the anchor cable connected with the anchor ring further improves the anchoring effect in the drill hole;
as a further aspect of the present invention: the outer end of the anchor head corresponding to the thread rod is provided with a limiting lantern ring which is hooped on the thread rod, so that the penetration of the anchor head is facilitated, and meanwhile, the middle part of the thread rod is bent and anchored into a soil layer during subsequent extrusion;
as the utility model discloses a further scheme again: the fixed cylinder is in threaded connection with the anchor rod, so that the fixed cylinder is convenient to disassemble and assemble;
as the utility model discloses a further scheme again: the line pole is the iron wire pole, adopts the iron wire to carry out the tip anchor, the engineering practical application of being convenient for.
Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:
1. the utility model provides an anchor structure for foundation ditch protection, the structure sets up ingeniously, the utility model discloses an ingenious design chain anchor main part adopts the flexibility of anchor chain link anchor rope to have the rigidity of stock simultaneously concurrently, and the anchor rope bears the pulling force, improves vertical cling compound power, and the stock is favorable to supplementing rigidity and intensity because of the drilling influence, and the cooperation slip casting improves the excavation supporting effect of anchor.
2. The utility model discloses a further concrete design anchor chain link is equipped with the rib thorn on the stock, the rib thorn is the heliciform and arranges on the stock, further improves anchor effect, is convenient for the rib thorn to anchor in the soil layer when twisting simultaneously, improves anchor effect, evenly be equipped with horizontal through hole on the stock, be convenient for follow-up slip casting to penetrate and form wholly, further improve anchor effect; fins are fixed in the transverse through holes, and two ends of each fin extend out of two sides of the anchor rod; the fins provide inner ribs for subsequent grouting anchoring, so that the anchoring effect is further improved; two ends of the anchor rod are provided with anchor rings connected with the anchor cable; a plurality of anchoring chain links are connected with the anchor ring in sequence through anchor cables to form a chain type anchoring main body; the knot that anchor rope and anchor ring are connected further improves the anchor effect in the drilling.
3. The utility model further designs an anchor head which comprises a fixed cylinder and a line rod; the fixed cylinder is in threaded connection with the anchor rod, so that the fixed cylinder is convenient to disassemble and assemble; the anchor head corresponds the line pole outer end and is equipped with the spacing lantern ring, and the spacing lantern ring hoop lock line pole makes things convenient for the anchor head to penetrate into, and the crooked anchor in line pole middle part goes into the soil layer when being convenient for follow-up extrusion simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an anchoring structure for protecting a foundation pit according to an embodiment.
Fig. 2 is a schematic structural view of an anchor link in the anchoring structure for protecting a foundation pit according to the first embodiment.
Fig. 3 is a schematic structural diagram of an anchor head in an anchoring structure for protecting a foundation pit according to a first embodiment.
Fig. 4 is a schematic structural view of an anchor rod in the anchoring structure for protecting the foundation pit according to the second embodiment.
In the figure: 1. an anchoring strip; 11. an anchor link; 111. an anchor cable; 112. an anchor rod; 113. an anchor ring; 2. an anchor head; 21. a fixed cylinder; 22. a wire rod; 23. a limiting lantern ring; 3. ribbing; 4. a transverse through-hole; 5. and (7) a fin.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The first embodiment is as follows: referring to fig. 1-3, an anchoring structure for protecting a foundation pit includes an anchoring bar 1 and an anchor head 2;
the anchoring strip 1 is formed by sequentially connecting a plurality of anchoring chain links 11; the anchor link 11 comprises an anchor cable 111 and an anchor rod 112; in this embodiment, the anchor cable 111 is made of a steel wire rope, and the anchor rod is made of a steel pipe; a plurality of anchoring chain links 11 are connected with an anchor rod 112 in sequence through anchor cables 111;
the anchor head 2 comprises a fixed cylinder 21 and a wire rod 22; one end of the fixed cylinder 21 is connected to the anchor rod 112 at the outer end of the anchor strip 1, and in this embodiment, the fixed cylinder 21 is in threaded connection with the anchor rod 112, so that the fixed cylinder is convenient to disassemble and assemble; the other end of the fixed cylinder 21 is fixedly and uniformly connected with a line rod 22; in this embodiment, the wire rod 22 is made of iron wire rods, and is economical and effective.
Two ends of the anchor rod 112 are provided with anchor rings 113 connected with the anchor cable 111; in the embodiment, the anchor ring 113 is welded at the end part of the anchor rod; a plurality of anchoring chain links 11 are connected with an anchor ring 113 in sequence through anchor cables 111 to form a chain type anchoring main body; the anchor rope 111 and the knot connected with the anchor ring 113 further improve the anchoring effect in the drill hole;
the outer end of the anchor head 2, corresponding to the wire rod 22, is provided with a limiting lantern ring 23, and the limiting lantern ring 23 hoops the wire rod 22, so that the penetration of the anchor head is facilitated, and meanwhile, the middle part of the wire rod 22 is conveniently bent and anchored into a soil layer during subsequent extrusion;
the working principle of the embodiment is as follows: when the anchor rod is in operation, the anchor strips 1 and the anchor heads 2 extend into soil body drilled holes in the side wall of a foundation pit, the chain type anchor strips 1 have the flexibility of anchor ropes and have the rigidity of anchor rods, so that the anchor rods can be favorably penetrated into the drilled holes, the anchor ropes bear tension and improve longitudinal anti-sliding force, the anchor rods can be favorable for supplementing the rigidity and strength influenced by the drilled holes, the anchor heads are abutted against the soil layer after being completely penetrated, the middle parts of the anchor rods are bent and deformed into expanded line balls after being extruded by the side pressure of the soil layer, the anchor rods are extruded into the surrounding soil layer, and then subsequent anchoring grouting is matched, so that the anchoring effect of the side wall of the foundation pit is comprehensively improved;
example two: referring to fig. 4, the present embodiment adds the following technical features on the basis of the first embodiment:
the anchor rod 112 is provided with a rib 3, and the rib 3 is arc-shaped in the embodiment; the rib 3 is spirally arranged on the anchor rod 112, so that the anchoring effect is further improved, and meanwhile, the rib 3 is convenient to anchor into the soil layer during twisting; the anchor rod 112 is uniformly provided with transverse through holes 4, so that subsequent grouting can be conveniently injected into the whole, and the anchoring effect is further improved; fins 5 are fixed in the transverse through holes 4, and two ends of each fin 5 extend out of two sides of the anchor rod 112; the fins 5 provide inner ribs for subsequent grouting anchoring, so that the anchoring effect is further improved;
although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. An anchoring structure for foundation pit protection is characterized in that,
comprises an anchoring strip and an anchor head;
the anchoring strip is formed by sequentially connecting a plurality of anchoring chain links;
the anchoring chain link comprises an anchor cable and an anchor rod; the plurality of anchor chain links are connected with the anchor rod in sequence through anchor cables;
the anchor head comprises a fixed cylinder and a wire rod;
one end of the fixed cylinder is connected to the outer end anchor rod of the anchor strip, and the other end of the fixed cylinder is fixedly connected with a plurality of line rods.
2. The anchoring structure for foundation pit protection according to claim 1, wherein the anchor rod is provided with ribs, and the ribs are spirally arranged on the anchor rod.
3. The anchoring structure for foundation pit protection according to claim 2, wherein the anchor rod is uniformly provided with transverse through holes.
4. The anchoring structure for foundation pit protection according to claim 3, wherein a fin is fixed in the transverse through hole, and two ends of the fin extend out of two sides of the anchor rod.
5. The anchoring structure for foundation pit protection according to claim 4, wherein anchor rings connected with anchor cables are arranged at two ends of the anchor rod; the plurality of anchoring chain links are connected with the anchor ring in sequence through the anchor rope to form a chain type anchoring main body.
6. The anchoring structure for protecting the foundation pit according to any one of claims 1 to 5, wherein a limiting collar is arranged at the outer end of the anchor head corresponding to the wire rod, and the limiting collar is hooped on the wire rod.
7. The anchoring structure for foundation pit protection according to claim 6, wherein the fixing cylinder is threadedly connected to the anchor rod.
8. The anchoring structure for foundation pit protection according to claim 6, wherein the wire rod is an iron wire rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221347881.0U CN217923548U (en) | 2022-05-31 | 2022-05-31 | Anchoring structure for foundation pit protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221347881.0U CN217923548U (en) | 2022-05-31 | 2022-05-31 | Anchoring structure for foundation pit protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217923548U true CN217923548U (en) | 2022-11-29 |
Family
ID=84180889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221347881.0U Expired - Fee Related CN217923548U (en) | 2022-05-31 | 2022-05-31 | Anchoring structure for foundation pit protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217923548U (en) |
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2022
- 2022-05-31 CN CN202221347881.0U patent/CN217923548U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221129 |