CN209837054U - Easily form miniature stake of skid proof branch - Google Patents
Easily form miniature stake of skid proof branch Download PDFInfo
- Publication number
- CN209837054U CN209837054U CN201920487402.7U CN201920487402U CN209837054U CN 209837054 U CN209837054 U CN 209837054U CN 201920487402 U CN201920487402 U CN 201920487402U CN 209837054 U CN209837054 U CN 209837054U
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- CN
- China
- Prior art keywords
- pile
- section
- micropile
- stake
- miniature
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- 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.)
- Expired - Fee Related
Links
- 239000002689 soil Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
Abstract
The utility model discloses a miniature pile easy to form skid-proof branches, miniature pile including steel pipe concrete pile, miniature pile is by integrative connection and communicating upper pile section, well stake section and lower pile section are constituteed, the upper pile section is the cylinder, well stake section is fusiform post, lower pile section is hammer-shaped post, upper pile section and well stake section link up each other and form the cavity that holds the concrete, set up along well stake section pile body a week, top-down and be used for having the through-hole, the through-hole is used for getting into the concrete of miniature stake cavity and overflowing from the through-hole, and flow into the landslide soil body and form skid-proof branches, skid-proof branches are used for coming and increasing the non-skid force of miniature pile through the increase contact area of filler and soil body; the utility model discloses a set up the hole on miniature stake pile body for the filler that gets into miniature stake forms anti-skidding branch in flowing into the soil body through the hole, has increased area of contact between soil body and the miniature stake, has increased the sliding resistance, can effectually prevent the emergence of landslide phenomenon.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to landslide prevention and cure field especially relates to a miniature stake of easily forming skid proof branch.
[ background of the invention ]
In China, mountainous areas are more, collapse, cracking and barricade dislocation of various landslide disasters occur easily in some areas after railways or highways are built, and the landslide treatment technologies commonly used in China, such as anti-slide piles and prestressed anchor cables, have self limitations. The prestressed anchor cable needs to be tensioned and grouted for several times, the process is complex, construction points are distributed on the whole reinforced slope surface, construction equipment is difficult to move, and the like. The open cut tunnel has high cost, great construction difficulty and long construction period. The anti-slide pile landslide treatment construction machine is small and is suitable for narrow construction operation areas; the construction vibration and the noise are small, and the method is suitable for urban areas with strict control on public hazard; the slenderness ratio is large, and the material consumption of a single pile is small.
The existing miniature pile has poor anti-slip capability, can not effectively prevent landslide, only functions by the friction force of the contact surface of the pile body and the soil body, has small friction force and unsatisfactory landslide prevention effect.
[ Utility model ] content
The utility model aims at providing an easily form miniature stake of skid proof branch to solve the poor problem of miniature stake cling compound ability.
The utility model adopts the following technical scheme: the utility model provides a miniature stake of easily forming skid proof branch, miniature stake including steel pipe concrete pile, miniature stake is by the integrative communicating last pile section of connection, well pile section and lower pile section are constituteed, it is the cylinder to go up the pile section, well pile section is fusiformis post, lower pile section is hammer-shaped post, it forms the cavity that holds the concrete to go up pile section and well pile section intercommunication each other, it has the through-hole to set up along well pile section pile body a week, top-down is used for having the through-hole, the through-hole is used for getting into the concrete of miniature stake cavity and overflowing from the through-hole, and flow into the landslide soil body and form the skid proof branch, the skid proof branch is used for coming and increasing the non-skid force of miniature stake through the increase filler and the area.
Further, the vertical cover in the cavity of miniature stake pile body is equipped with the trunk line, and the outer wall top-down level of trunk line is provided with a plurality of branch pipelines, and a plurality of branch pipelines communicate each other with the trunk line and be radial arrangement, and trunk line and branch pipeline all are used for the concrete to flow in and fill up the inner chamber of miniature stake in proper order from bottom to top.
Further, the free end of the subduct is adjacent to the inner pipe wall of the micropile.
Furthermore, the hammer-shaped column of the lower pile section is solid and made of steel.
Furthermore, the diameter of the through holes is 20mm, and the through holes are arranged in a quincunx shape.
Further, the upper pile section occupies 3/10 of the mini-pile body, the middle pile section occupies 5/10 of the mini-pile body, and the lower pile section occupies 2/10 of the mini-pile body.
Further, the maximum pile diameter of the intermediate pile section shuttle-shaped column is 2 times of the pile diameter of the upper pile section.
The utility model has the advantages that: the hole is formed in the pile body of the miniature pile, so that fillers entering the miniature pile flow into a soil body through the hole to form anti-slip branches, the contact area between the soil body and the miniature pile is increased, the anti-slip force is increased, and the landslide phenomenon can be effectively prevented; the lower end of the miniature pile is set to be in a shuttle shape, so that the construction requirement is reduced, the construction workload is reduced, the friction force of the miniature pile in the process of piling and entering the soil is reduced, and the cost is reduced.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic longitudinal structure of the present invention;
FIG. 3 is a schematic view of the pipeline of the present invention;
fig. 4 is a schematic view of the effect of the present invention.
Wherein: 1. pile sections are installed; 2. a middle pile section; 3. pile sections are put down; 4. a through hole; 5. a main pipeline; 6. dividing pipelines; 7. and (4) anti-skid branches.
[ detailed description ] embodiments
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses an easily form miniature stake of skid proof branch, as shown in figure 1, including miniature stake by a body coupling and communicating last stake section 1, well stake section 2 and lower stake section 3 are constituteed, it is the cylinder to go up stake section 1, well stake section 2 is the fusiformis post, lower stake section 3 is the hammer-shaped post, it forms the cavity that holds the concrete to go up stake section 1 and well stake section 2 and link up each other, along 2 pile body a week in well stake section, top-down sets up and is used for through-hole 4, through-hole 4 is used for getting into the concrete in the miniature stake cavity and spills over from through-hole 4, and it forms skid proof branch 7 to flow into in the landslide soil body, skid proof branch 7 is used for through the increase contact area of filler and soil body and the antiskid power of increase miniature stake.
The pile body of the micro pile is divided into 3 sections, an upper pile section 1 accounts for 3/10 of the pile body of the micro pile, a middle pile section 2 accounts for 5/10 of the pile body of the micro pile, a lower pile section 3 accounts for 2/10 of the pile body of the micro pile, when the micro pile is vertically driven into landslide soil, the middle pile section 2 is positioned in 1m upward and downward of a landslide simulation surface, the maximum pile diameter of a fusiform column of the middle pile section 2 is 2 times of the pile diameter of the upper pile section 1, in order to reinforce the landslide of an accumulation layer, the micro pile is used for reinforcement, the landslide of the shallow layer is characterized by the landslide of the accumulation layer, the thickness of the landslide layer is 4-5 m, therefore, the middle pile section 2 extending into the landslide layer is arranged to be a fusiform column, the pile diameter is increased, the contact area of the middle pile section 2 and the soil body is increased, the pile diameter of the middle pile section 2 of the micro pile is increased to increase the reinforcement area, the combined action of the micro pile and the soil resistance force is, the integrity between the miniature pile and the soil body is better, the sliding resistance of the sliding surface is increased, the sliding resistance of the pile body is fully exerted, the soil body above the sliding surface is reinforced, the sliding resistance of the sliding surface is increased, and the safety coefficient of the most dangerous surface is improved.
The hammer-shaped column of the lower pile section 3 of the micro pile is solid and made of steel. The lower pile section 3 is arranged to be hammer-shaped, so that the contact area is reduced, the soil-entering stress is increased, the anchoring is more labor-saving and firm, the soil landslide of a accumulation layer is reinforced, and a large disaster is avoided under the action of an earthquake.
As shown in fig. 2 and 3, vertical cover is equipped with trunk line 5 in the cavity of miniature stake pile body, the outer wall top-down level of trunk line 5 is provided with a plurality of branch pipelines 6, a plurality of branch pipelines 6 communicate each other with trunk line 5, and be radial arrangement, trunk line 5 and branch pipeline 6 all are used for the concrete inflow and fill up the inner chamber of miniature stake from bottom to top in proper order, the free end of branch pipeline 6 is close to the inner tube wall of miniature stake, the concrete advanced income trunk line 5 during the grout, and reach the bottom of trunk line 5, then flow into branch pipeline 6 from trunk line 5, each branch pipeline 6 pours the inner chamber of miniature stake from bottom to top in proper order, can not appear because of concrete pours into miniature stake into rapidly in, lead to the air in the miniature stake can't get rid of from the top of miniature stake, produce the empty phenomenon of pile body, the anti-slide slope ability of miniature.
Example 1
The wall thickness of the steel pipe of the miniature pile is 8mm, the length L of the pile body is 10m, the miniature pile is divided into 3 sections, the upper pile section 1 is 3m, the middle pile section 2 is 5m, the lower pile section 3 is 2m, the pile diameter of the upper pile section 1 of the miniature pile is 400mm, and the maximum pile diameter of the shuttle-shaped column of the middle pile section 2 of the miniature pile is 2 times of the pile diameter of the upper pile section 1.
As shown in figure 4, the through holes 4 are arranged in 6 rows, the distance between the through holes 4 is 40mm, the diameter of each through hole 4 is 20mm, the through holes 4 are arranged in a quincunx shape, the through holes 4 are arranged on the middle pile section 2 to reinforce a landslide layer and soil bodies about 1m above and below the landslide layer, the skid resistance of the most dangerous surface is increased, and the safety coefficient is increased.
The utility model discloses a construction method comprises following steps:
determining parameters of landslide based on a physical and mechanical experiment of soil, and determining the worst sliding surface of the side slope, namely a slip crack surface, by means of correction software;
sleeving a main pipeline 5 and branch pipelines 6 in the inner cavity of the miniature pile;
driving the miniature pile provided with the main pipeline 5 and the branch pipelines 6 into a landslide soil body to be treated, and ensuring that the middle point of the middle pile section 2 is positioned on a slip crack surface;
concrete is injected from the upper end of the main pipeline 5 in a pressurized mode, the concrete sequentially passes through the main pipeline 5 from bottom to top and is injected into the miniature pile body along the branch pipelines 6;
and (4) continuously pressurizing, after the inner cavity of the micro pile is filled with the concrete, the concrete overflows through the through hole 4 of the micro pile and flows into the landslide soil body to form an anti-skid branch 7.
Claims (7)
1. The utility model provides a micropile of easily forming skid resistant branch which characterized in that, includes the micropile of steel pipe concrete pile, the micropile comprises upper pile section (1), well pile section (2) and lower pile section (3) that integrative the connection just communicates, upper pile section (1) is the cylinder, well pile section (2) are fusiformis post, lower pile section (3) are hammer-shaped post, upper pile section (1) and well pile section (2) link up each other and form the cavity that holds the concrete, along well pile section (2) pile body a week, top-down set up and be used for through-hole (4), through-hole (4) are used for getting into the concrete of micropile cavity and overflowing from through-hole (4) in and flow into the landslide soil body and form skid resistant branch (7), skid resistant branch (7) are used for increasing the skid resistance of micropile through the increase filler and the area of soil body.
2. The micropile of claim 1, characterized in that a main pipe (5) is vertically sleeved in the cavity of the micropile body, a plurality of branch pipes (6) are horizontally arranged on the outer wall of the main pipe (5) from top to bottom, the branch pipes (6) are communicated with the main pipe (5) and radially arranged, and the main pipe (5) and the branch pipes (6) are used for concrete to flow in and sequentially fill the inner cavity of the micropile from bottom to top.
3. A micropile susceptible of forming cleats as claimed in claim 2, wherein the free end of the branch duct (6) is close to the inner pipe wall of the micropile.
4. A micropile susceptible to forming cleats as claimed in claim 3, wherein the hammer-shaped column of the lower stake section (3) is solid and made of steel.
5. A micropile susceptible of forming cleats as claimed in any one of claims 1-4, wherein said through holes (4) have a diameter of 20mm, each of said through holes (4) being arranged in a quincunx pattern.
6. A micropile easy to form slip-resistant branches according to any one of claims 1 to 4, wherein the upper stake section (1) occupies 3/10 of the body of the micropile, the middle stake section (2) occupies 5/10 of the body of the micropile, and the lower stake section (3) occupies 2/10 of the body of the micropile.
7. A micropile susceptible to forming cleats in accordance with any one of claims 1-4, wherein the maximum stake diameter of the shuttle-shaped post of the middle stake section (2) is 2 times the stake diameter of the upper stake section (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487402.7U CN209837054U (en) | 2019-04-11 | 2019-04-11 | Easily form miniature stake of skid proof branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920487402.7U CN209837054U (en) | 2019-04-11 | 2019-04-11 | Easily form miniature stake of skid proof branch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209837054U true CN209837054U (en) | 2019-12-24 |
Family
ID=68911153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920487402.7U Expired - Fee Related CN209837054U (en) | 2019-04-11 | 2019-04-11 | Easily form miniature stake of skid proof branch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209837054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914446A (en) * | 2019-04-11 | 2019-06-21 | 西安工业大学 | A kind of strong skid resistance mini pile and its construction method of landslide-proofing |
| CN112482404A (en) * | 2020-11-16 | 2021-03-12 | 王杰 | A anti-skidding pile structure for side slope is strutted |
-
2019
- 2019-04-11 CN CN201920487402.7U patent/CN209837054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914446A (en) * | 2019-04-11 | 2019-06-21 | 西安工业大学 | A kind of strong skid resistance mini pile and its construction method of landslide-proofing |
| CN112482404A (en) * | 2020-11-16 | 2021-03-12 | 王杰 | A anti-skidding pile structure for side slope is strutted |
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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: 20191224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |