CN208618395U - Engineering method stake - Google Patents
Engineering method stake Download PDFInfo
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- CN208618395U CN208618395U CN201821196162.7U CN201821196162U CN208618395U CN 208618395 U CN208618395 U CN 208618395U CN 201821196162 U CN201821196162 U CN 201821196162U CN 208618395 U CN208618395 U CN 208618395U
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- steel
- steel plate
- larsen
- groove body
- plateelement
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Abstract
The utility model discloses engineering method stakes, including Larsen steel plate and hollow steel tube, wherein, Opposite direction connection constitutes snakelike steel plateelement between adjacent Larsen steel plate, a hollow steel tube is connected along its short transverse at interval of a Larsen steel plate on steel plateelement, the hollow steel tube is located at the concave part of connected Larsen steel plate.The utility model increases the anti-bending strength and shear behavior of supporting, so that whole with good stability.
Description
Technical field
The utility model relates to foundation pit support construction fields.More specifically, the utility model relates to a kind of strength core cement
Native mixing pile construction method.
Background technique
With the exploitation of urban underground space, deep basal pit construction is become increasingly prevalent.And in Deep Excavation,
The supporting of foundation pit is just particularly important.Deep-mixed pile and Larsen steel sheet pile are deposited as two kinds of common foundation pit enclosure forms
In respective Pros and Cons.Such as conventional deep-mixed pile Gravity Retaining Wall, bending resistance, shearing resistance, antidumping and antiskid
Shifting ability is poor, it is easy to generate destruction under soil pressure effect, influence the safety of foundation pit and Adjacent Buildings.And Larsen steel
Sheet pile is mutually overlapped by fore shaft and surrounds foundation pit supporting construction, and supporting depth is limited, and is easy to appear gap, and water-stagnating effect is not
It is good.
Utility model content
The purpose of the utility model is to provide engineering method stakes, increase the anti-bending strength and shear behavior of supporting, so that whole
It is with good stability.
In order to realize these purposes and other advantages according to the present utility model, engineering method stake, including Larsen steel plate are provided
And hollow steel tube, wherein Opposite direction connection constitutes snakelike steel plateelement between adjacent Larsen steel plate, at interval of one on steel plateelement
Larsen steel plate connects a hollow steel tube along its short transverse, and the hollow steel tube is located at the concave surface of connected Larsen steel plate
Portion.
Preferably, steel plateelement, the upper end of the hollow steel tube and the steel plateelement are stretched out in the lower end of the hollow steel tube
Concordantly.
Preferably, the surface of the Larsen steel plate and the surface of the hollow steel tube are provided with antifriction oxidant layer, described
Anti-friction agent layer is with a thickness of 1-3mm.
The utility model additionally provides a kind of engineering method stake, including Larsen steel plate and hollow steel tube, wherein two Larsen steel plates
Opposite direction connection constitutes the steel plateelement of class S type, is connected between adjacent steel plateelement by hollow steel tube.
Preferably, steel plateelement, the upper end of the hollow steel tube and the steel plateelement are stretched out in the lower end of the hollow steel tube
Concordantly.
Preferably, the surface of the Larsen steel plate and the surface of the hollow steel tube are provided with antifriction oxidant layer, described
Anti-friction agent layer is with a thickness of 1-3mm.
Preferably, the Larsen steel plate offers the first oil groove along its short transverse, and the first oil groove is located at Larsen steel plate
The height on top 1/3 is the first vertical groove body, and it is at least two that the first oil groove, which is located at the hyperbranched of Larsen lower part of steel plate 2/3,
The second groove body of item, second groove body is tilted towards the two sides of Larsen steel plate to be extended, and first groove body and second groove body connect
Logical, for the Larsen steel plate upper outer surface with respect to multiple first oilholes are offered at the first groove body and the second groove body, described first is oily
The size in hole is 0.5-1mm；
Short transverse on the steel pipe far from Larsen steel plate is provided with the second oil groove, and second oil groove is located on steel pipe
The height in portion 1/3 is vertical third groove body, and it is at least two that second oil groove, which is located at the hyperbranched of steel pipe lower part 2/3,
4th groove body, the 4th groove body extend curved state towards close to Larsen steel plate direction；The third groove body and described the
The connection of four groove bodies, the outer wall of steel pipe face is with respect to offering multiple second oilholes at third groove body and the 4th groove body, and described second
The size of oilhole is 0.5-1mm.
The utility model is include at least the following beneficial effects:
1, Larsen steel sheet pile bearing capacity itself is strong, and self structure is light, and the continuous wall that steel sheet pile is constituted has very high strong
Degree and rigidity.And interpolation Larsen steel plate and steel pipe improve the flexibility of wall, increase the anti-bending strength and shear behavior of supporting,
So that whole with good stability.
2, be tightly combined by the continuous barricade junction fore shaft of the Larsen steel plate of interpolation, can natural antiseepage, further strengthen
Whole water blocking barrier performance, foundation pit do not need separately to set water blocking curtain.Due to Larsen steel plate be similar to wall body structure compared to
It is not easily pluggable into soil body deeper for steel pipe, by combining Larsen steel plate and steel pipe, ensure that the intensity of steel sheet pile,
And steel pipe lower end length is long compared to Larsen steel plate, therefore is suitable for all kinds of stratum, and when construction is substantially noiseless, to ring around
Border influences small, does not disturb the neighbouring soil body, can be effectively controlled the sedimentation of surrounding ground structures, will not generate near floor level sink,
The harm such as inclined building, road rhegma and underground installation displacement.
4, the engineering method pile driving construction environmental protection that Larsen steel plate and steel pipe combine, goes soil amount and concrete amount to be greatly decreased, can have
Effect protection land resource.Steel pipe and the recyclable reuse of Larsen steel sheet pile, cost is relatively low.On the other hand this engineering method work progress
Middle generation surflaes is few, the secondary pollutions such as no mud, avoids a large amount of mud in the engineering methods such as other drilled piles, diaphragm wall, gives up
The outward transport of soil, environmental pollution is small, is good for the environment.
5, the steel pipe of engineering method stake is hollow steel pipe, can be used as an emergency reinforcing device.If the monitoring data in foundation pit later period
Reflect foundation pit Lack of support, then can carry out urgent consolidation processing by penetration concrete in hollow steel tube.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the engineering method stake that steel pipe is located between two Larsen steel plates；
Fig. 2 is the structural schematic diagram of the engineering method stake at the middle part that steel pipe is located at Larsen steel plate concave surface；
Fig. 3 is the setting schematic diagram of the first oil groove of Larsen steel plate；
Fig. 4 is the setting schematic diagram of the second oil groove after steel pipe expansion；
Description of symbols:
1- Larsen steel plate, 2- steel pipe, the first oil groove of 6-, the first groove body of 61-, the second groove body of 62-, the second oil groove of 7-, 71-
Three groove bodies, the 4th groove body of 72-.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, and is not the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment 1
As shown in Figure 1, the utility model provides engineering method stake, including Larsen steel plate 1 and hollow steel tube 2, wherein adjacent drawing
Opposite direction connection constitutes snakelike steel plateelement between gloomy steel plate 1, at interval of a Larsen steel plate along its short transverse on steel plateelement
A hollow steel tube is connected, the hollow steel tube is located at the concave part of connected Larsen steel plate.
Steel plateelement is stretched out in the lower end of the hollow steel tube, and the upper end of the hollow steel tube is concordant with the steel plateelement.
The surface of the Larsen steel plate and the surface of the hollow steel tube are provided with antifriction oxidant layer, the anti-friction agent thickness
Degree is 1-3mm, and the engineering method stake later period is facilitated to facilitate extraction when recycling.
Embodiment 2
As shown in figs. 2 to 4, engineering method stake, including Larsen steel plate and hollow steel tube, wherein two Larsen steel plate Opposite direction connections
The steel plateelement of class S type is constituted, is connected between adjacent steel plateelement by hollow steel tube.
Steel plateelement is stretched out in the lower end of the hollow steel tube, and the upper end of the hollow steel tube is concordant with the steel plateelement.
The surface of the Larsen steel plate and the surface of the hollow steel tube are provided with antifriction oxidant layer, the anti-friction agent thickness
Degree is 1-3mm.
The Larsen steel plate 1 offers the first oil groove 6 along its short transverse, and first oil groove 6 is located on Larsen steel plate 1
The height in portion 1/3 is the first vertical groove body 61, and first oil groove 6 is located at the hyperbranched for extremely of 1 lower part 2/3 of Larsen steel plate
Few two the second groove bodies 62, second groove body 62 is tilted towards the two sides of Larsen steel plate 1 to be extended, first groove body 61 and institute
The connection of the second groove body 62 is stated, 1 upper outer surface of Larsen steel plate is multiple with respect to offering at the first groove body 61 and the second groove body 62
First oilhole, the size of first oilhole are 0.5-1mm；
Short transverse on the steel pipe 2 far from Larsen steel plate 1 is provided with the second oil groove 7, and second oil groove 7 is located at steel
The height on 2 top 1/3 of pipe is vertical third groove body 71, and second oil groove is located at the hyperbranched for extremely of 2 lower part 2/3 of steel pipe
Few two article of the 4th groove body 72, the 4th groove body 72 extend curved state towards close to 1 direction of Larsen steel plate；The third slot
Body 71 is connected to the 4th groove body 72, and 2 outside wall surface of steel pipe is more with respect to offering at third groove body 71 and the 4th groove body 72
A second oilhole, the size of second oilhole are 0.5-1mm.
Larsen steel plate 1 is clamped with pile-driving and-pulling machine to the end of major project construction by the first oil groove of setting and the second oil groove
Stake head vibration 1min~2min loosens the soil around Larsen steel plate 1, in the first oil groove 6 and the second oil groove 7 before vibration
Middle injection lubricating oil, then up extricates oneself from a predicament and brace oneself up to action, and when pulling out difficulty in discovery or pulling out to come up, stops pile pulling, first in the first oil groove 6
1min~2min is vibrated again toward extricating oneself from a predicament and brace oneself up to action repeatedly with lubricating oil is injected in the second oil groove 7, greatly facilitates engineering method stake
It extracts, and its mechanical damage is reduced, improve the service life of engineering method stake.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. engineering method stake, which is characterized in that including Larsen steel plate and hollow steel tube, wherein Opposite direction connection between adjacent Larsen steel plate
Snakelike steel plateelement is constituted, connects a hollow steel tube, institute along its short transverse at interval of a Larsen steel plate on steel plateelement
State the concave part that hollow steel tube is located at connected Larsen steel plate.
2. engineering method stake as described in claim 1, which is characterized in that steel plateelement is stretched out in the lower end of the hollow steel tube, it is described in
The upper end of empty steel pipe is concordant with the steel plateelement.
3. engineering method stake as described in claim 1, which is characterized in that the surface of the Larsen steel plate and the hollow steel tube
Surface is provided with antifriction oxidant layer, and the anti-friction agent layer is with a thickness of 1-3mm.
4. engineering method stake, which is characterized in that including Larsen steel plate and hollow steel tube, wherein two Larsen steel plate Opposite direction connections are constituted
The steel plateelement of class S type passes through hollow steel tube between adjacent steel plateelement and connects.
5. engineering method stake as claimed in claim 4, which is characterized in that steel plateelement is stretched out in the lower end of the hollow steel tube, it is described in
The upper end of empty steel pipe is concordant with the steel plateelement.
6. engineering method stake as claimed in claim 4, which is characterized in that the surface of the Larsen steel plate and the hollow steel tube
Surface is provided with antifriction oxidant layer, and the anti-friction agent layer is with a thickness of 1-3mm.
7. engineering method stake as claimed in claim 4, which is characterized in that the Larsen steel plate offers the first oil along its short transverse
Slot, the height that the first oil groove is located at Larsen steel plate top 1/3 is the first vertical groove body, and the first oil groove is located at Larsen lower part of steel plate
2/3 hyperbranched is at least two the second groove bodies, and second groove body is tilted towards the two sides of Larsen steel plate to be extended, described first
Groove body is connected to second groove body, and the Larsen steel plate upper outer surface is multiple with respect to offering at the first groove body and the second groove body
First oilhole, the size of first oilhole are 0.5-1mm；
Short transverse on the steel pipe far from Larsen steel plate is provided with the second oil groove, and second oil groove is located at steel pipe top 1/
3 height is vertical third groove body, and it is at least two article of the 4th slot that second oil groove, which is located at the hyperbranched of steel pipe lower part 2/3,
Body, the 4th groove body extend curved state towards close to Larsen steel plate direction；The third groove body and the 4th groove body
Connection, the outer wall of steel pipe face with respect to offering multiple second oilholes at third groove body and the 4th groove body, second oilhole
Having a size of 0.5-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196162.7U CN208618395U (en) | 2018-07-26 | 2018-07-26 | Engineering method stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196162.7U CN208618395U (en) | 2018-07-26 | 2018-07-26 | Engineering method stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208618395U true CN208618395U (en) | 2019-03-19 |
Family
ID=65707526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821196162.7U Active CN208618395U (en) | 2018-07-26 | 2018-07-26 | Engineering method stake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208618395U (en) |
-
2018
- 2018-07-26 CN CN201821196162.7U patent/CN208618395U/en active Active
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