CN203960852U - Hand excavated pile - Google Patents
Hand excavated pile Download PDFInfo
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- CN203960852U CN203960852U CN201420415388.7U CN201420415388U CN203960852U CN 203960852 U CN203960852 U CN 203960852U CN 201420415388 U CN201420415388 U CN 201420415388U CN 203960852 U CN203960852 U CN 203960852U
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- main body
- wing plate
- enlarged footing
- hand excavated
- excavated pile
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Abstract
The hand excavated pile that the utility model provides, relate to power engineering field, comprise main body and wing plate, described main body is column, one end of described main body is provided with the wing plate of at least two, described wing plate is arranged on the sidewall of described main body, the end face of described wing plate and the end face of described main body, and described wing plate extends along the length direction of described main body.The beneficial effect of the hand excavated pile that the utility model provides is the outer profile size and the buried depth that have reduced hand excavated pile, has saved structural meterials.
Description
Technical field
The utility model relates to power engineering field, in particular to a kind of hand excavated pile.
Background technology
One of basic pattern that common hand excavated pile is mountain area, hilly ground iron tower of power transmission line is conventional.The type basis belongs to undisturbed soil basis, does not adopt heavy excavation, but adopts concrete guard wall supporting, then manually draw and dig to design buried depth, finally with soil for mould basis of formation physical dimension model, descending reinforcing cage concreting moulding.
The top earth resistance of the hand excavated pile on undisturbed soil basis is less, is easily subject to the interference of horizontal force, produces larger moment of flexure, causes hand excavated pile top that larger displacement occurs.For this reason, diameter and the buried depth of having to increase hand excavated pile improve the crystallized ability of ground to hand excavated pile, and then reduce the displacement on hand excavated pile top.
Utility model content
The purpose of this utility model is to provide a kind of hand excavated pile, to solve the above problems.
The hand excavated pile that the utility model provides, comprise main body and wing plate, described main body is the column that comprises two ends and a sidewall, one end of described main body is provided with the wing plate of at least two, described wing plate is arranged on the sidewall of described main body, the end face of described wing plate and the end face of described main body, described wing plate extends along the length direction of described main body.
Wing plate is arranged on one end of main body, and at least two identical wing plates are arranged on one end of described main body, and the end face of wing plate and the end face of main body simultaneously wing plate are extended along the length direction of main body, and wing plate radially extends on the sidewall of the one end that is arranged on main body.
Hand excavated pile as above, preferably, described main body is cylinder, and described wing plate is rectangular slab, and the 1-2 that the width of described wing plate is main diameter is doubly.Doubly, the value of this scope can provide enough passive earth pressures to the 1-2 that the value of general width is main diameter, can not waste too much material simultaneously.
Hand excavated pile as above, preferably, the length of described wing plate equals the width of described wing plate.The length of wing plate is identical with width, described wing plate be shaped as square, the passive earth pressure that this foursquare wing plate is subject to is more even, makes the top of hand excavated pile more stable.
Hand excavated pile as above, preferably, also comprises reinforcing cage, and described reinforcing cage is embedded in described main body and described wing plate, and the reinforcing cage in the reinforcing cage in described wing plate and described main body intersects.Reinforcing cage in reinforcing cage and main body in wing plate intersects the bonding strength that can improve wing plate and main body, makes the combination of wing plate and main body more firm.
Hand excavated pile as above, preferably, also comprise the first enlarged footing, described the first enlarged footing is arranged on the other end of described main body away from described wing plate, described the first enlarged footing extend out the outer profile size that size is greater than described main body, described enlarged footing end face is lower arcuate surface.Utilize the enlarged footing of the first enlarged footing lower arcuate surface can further improve the foundation bearing capacity of hand excavated pile.
Hand excavated pile as above, preferably, also comprise at least one second enlarged footing, described the second enlarged footing is arranged between the two ends of described main body, described the second enlarged footing extend out the outer profile size that size is greater than described main body, described the second enlarged footing is frustum.Because the impact of single enlarged footing is only confined in the scope of 4～10 times of more than enlarged footing diameters, vertical bearing capacity of single pile is limited.Adopt multiple tracks the second enlarged footing, be all subject to like this impact of enlarged footing in the buried depth scope of whole manually digging hole post, further reduce the outer profile size of hand excavated pile.
Hand excavated pile as above, preferably, described second enlarged footing is arranged on the middle part of described main body, described the second enlarged footing extend out the outer profile size that size is greater than described main body, described the second enlarged footing to extend out extending out of size and described the first enlarged footing measure-alike.Arrange after two enlarged footings, the vertical bearing capacity of hand excavated pile can be greatly improved, thereby can reduce pile body outer profile size or buried depth, thereby saves structural meterials consumption, has certain Technological Economy comparative advantages.
The beneficial effect of the hand excavated pile that the utility model provides is, set up wing plate by the one end at hand excavated pile, wing plate is arranged on to the outside of main body, the bearing of trend of wing plate is the axis direction along main body, utilize wing plate, expand the contact area of hand excavated pile and ground, increase the passive earth pressure on hand excavated pile top, reduce the horizontal force on hand excavated pile top, and then reduce the moment of flexure that hand excavated pile top is subject to, finally reduce the horizontal movement on hand excavated pile top, that has reduced accordingly hand excavated pile extends out size and buried depth simultaneously, save structural meterials.
Brief description of the drawings
Fig. 1 is the schematic diagram of the hand excavated pile that provides of the utility model the first embodiment;
Fig. 2 is the schematic diagram of the hand excavated pile that provides of the utility model the second embodiment.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Fig. 1 is the hand excavated pile that the utility model the first embodiment provides, as shown in Figure 1, the hand excavated pile that the utility model the first embodiment provides comprises main body 1 and wing plate 2, main body 1 is the cylinder that comprises two ends and a sidewall, one end of main body 1 is provided with the wing plate 2 of two identical rectangles, the wing plate 2 of rectangle is arranged on the sidewall of main body 1, the end face of the end face of wing plate 2 and main body 1, and wing plate 2 extends along the axis direction of main body 1.
Wing plate 2 is arranged on one end of main body 1, two identical wing plates 2 are arranged on one end of main body 1, the end face of one end of the end face of wing plate 2 and main body 1, wing plate 2 extends along the axis of main body 1 simultaneously, and wing plate 2 radially extends on the sidewall of one end that is arranged on main body 1.Setting up of wing plate 2, make mounted hand excavated pile utilize the clamping of ground to wing plate 2, increase the contact area of manually digging hole post top and ground, improve the passive earth pressure on hand excavated pile top, thereby reduce the maximal bending moment that top is subject to, correspondingly reduced the horizontal movement on hand excavated pile top.So just do not need to reduce the horizontal movement on hand excavated pile top by the diameter of increase hand excavated pile or the buried depth of increase hand excavated pile, saved construction cost and material cost.
Fig. 2 is the hand excavated pile that the utility model the second embodiment provides, and as shown in Figure 2, the hand excavated pile that the utility model the second embodiment provides comprises main body 1 and wing plate 2, and main body 1 is the column that comprises two ends and a sidewall, and column is cylinder.One end of main body 1 is provided with the wing plate 2 of at least two identical rectangles, and the wing plate 2 of rectangle is arranged on the sidewall of main body 1, the end face of the end face of wing plate 2 and main body 1, and wing plate 2 is along the Axis Extension of main body 1.
Further, the width of single rectangle wing plate 2 is 1.5 times of main body 1 diameter.The width of wing plate is the value that wing plate 2 extends in the diametric(al) of main body 1.The length of wing plate 2 equals the width of wing plate 2, and the length of wing plate 2 is the value that wing plate 2 extends at the axis direction of main body 1.The value of width is 1-2 times of main body 1 diameter, and the value of this scope can provide enough passive earth pressures, can not waste too much material simultaneously.
In hand excavated pile, also comprise that reinforcing cage, reinforcing cage are embedded in main body 1 and wing plate 2, the reinforcing cage in the reinforcing cage in wing plate 2 and main body 1 intersects simultaneously.Reinforcing cage in reinforcing cage in wing plate 2 and main body 1 intersects the bonding strength that can improve wing plate 2 and main body 1, makes the combination of wing plate 2 and main body 1 more firm.
In the present embodiment, also comprise that the first enlarged footing 3 and second enlarged footing 4, the first enlarged footings 3 are arranged on the other end of main body 1 away from wing plate 2, the first enlarged footing 3 extend out the diameter that size is greater than main body 1, enlarged footing end face is lower arcuate surface.The second enlarged footing 4 is arranged between the two ends of main body 1, the second enlarged footing 4 extend out the diameter that size is greater than main body 1, the diameter of the second enlarged footing 4 is identical with the diameter of the first enlarged footing 3, the second enlarged footing 4 is frustum.
The first enlarged footing 3 is owing to extending out size and be greater than the diameter of main body 1, and in the time that hand excavated pile is embedded in ground, the first enlarged footing 3 stretches in soil, can improve the basic supporting capacity of hand excavated pile.But, in power engineering, the buried depth of the hand excavated pile that some bearing loads are larger is all larger, simultaneously draw ratio sometimes more than ten than one, according to the calculating of the sphere of action to enlarged footing, the part of enlarged footing can only improve enlarged footing the vertical bearing capacity of nigh hand excavated pile bottom.For expanding the anti-pulling capacity of end uplift pile, the anti-pulling capacity failure mode of expanded bore pile becomes with native angle of internal friction size, and angle of internal friction is larger, is expanded the destruction cylinder that the end affects longer.Expand the above length in the end and be about within the scope of 4～10 times of diameter, the column diameter that breaks just increases to bellout diameter D; Exceed the above part of this scope, the plane of fracture is contracted to a Soil Interface.Be that more than one end of the Beneficial Effect of general the first enlarged footing 3 installation the first enlarged footing 3 of being only confined to hand excavated pile length is in diameter 4-10 scope doubly, single the first enlarged footing 3 that is arranged on one end is limited for the raising of vertical bearing capacity, therefore can consider, at the waist of pile body, enlarged footing is set one again, multiple tracks enlarged footing is even set, all be subject to like this impact of enlarged footing in the buried depth scope of whole stake, in the time calculating when anti-pulling capacity pile body girth, just can be all calculate by u=π D that (u is girth, D is enlarged footing diameter), with less cost, greatly improve anti-pulling capacity.In addition, after one the second enlarged footing 4 of waist setting of pile body, being equivalent to has increased a chuck at pile body waist, can improve side and drag ground of hand excavated pile, reduce the stake top displacement of hand excavated pile, improve the pile body stiffness of hand excavated pile.Arrange after two enlarged footings, the vertical bearing capacity of stake can be greatly improved, thereby can reduce diameter or the buried depth of the shaft of main body 1, thereby saves structural meterials consumption, has certain Technological Economy comparative advantages.
Two enlarged footing hand excavated piles are in the time of construction; should be specifically noted that the verticality in the hole, hole of the first enlarged footing 3 and the second enlarged footing 4; accurately centering of two sections hole, hole; the diameter of borehole should strictly be controlled; to ensure reinforcing cage hoisted in position smoothly, and to ensure that the topping of reinforcing bar meets designing requirement.The first enlarged footing 3 and the second enlarged footing 4 should be drawn and dig in strict accordance with the gradient of drawing requirement in the time of construction, and angle of inclination must not be greater than 45 °, and before lifting reinforcing cage, the end is clean clearly.When drawing the basic hole concreting of ground of the hand excavated pile digging, should build successively from bottom to top vibration compacting, paying special attention to enlarged footing place should build closely knit, must not leave defect, should bury if desired ultrasonic wave test tube underground, to detect the integrality of hand excavated pile.
In the utility model, the shape of the column of main body 1 is not limited to cylinder, rectangular column or triangular prism etc., and the shape of wing plate 2 is not limited to the wing plate of other shapes such as rectangle, triangle.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a hand excavated pile, it is characterized in that, comprise main body and wing plate, described main body is column, one end of described main body is provided with the wing plate of at least two, described wing plate is arranged on the sidewall of described main body, the end face of described wing plate and the end face of described main body, and described wing plate extends along the length direction of described main body.
2. hand excavated pile according to claim 1, is characterized in that, described main body is cylinder, and described wing plate is rectangular slab, and the 1-2 that the width of described wing plate is main diameter doubly.
3. hand excavated pile according to claim 2, is characterized in that, the length of described wing plate equals the width of described wing plate.
4. hand excavated pile according to claim 1, is characterized in that, also comprises reinforcing cage, and described reinforcing cage is embedded in described main body and described wing plate, and the reinforcing cage in the reinforcing cage in described wing plate and described main body intersects.
5. hand excavated pile according to claim 1, it is characterized in that, also comprise the first enlarged footing, described the first enlarged footing is arranged on the other end of described main body away from described wing plate, described the first enlarged footing extend out the outer profile size that size is greater than described main body, described enlarged footing end face is lower arcuate surface.
6. hand excavated pile according to claim 5, it is characterized in that, also comprise at least one second enlarged footing, described the second enlarged footing is arranged between the two ends of described main body, described the second enlarged footing extend out the outer profile size that size is greater than described main body, described the second enlarged footing is frustum.
7. hand excavated pile according to claim 6, is characterized in that, described second enlarged footing is arranged on the middle part of described main body, described the second enlarged footing extend out the outer profile size that size is greater than described main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415388.7U CN203960852U (en) | 2014-07-25 | 2014-07-25 | Hand excavated pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415388.7U CN203960852U (en) | 2014-07-25 | 2014-07-25 | Hand excavated pile |
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| Publication Number | Publication Date |
|---|---|
| CN203960852U true CN203960852U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420415388.7U Active CN203960852U (en) | 2014-07-25 | 2014-07-25 | Hand excavated pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120714A (en) * | 2014-07-25 | 2014-10-29 | 成都城电电力工程设计有限公司 | Manual hole digging pile and construction method thereof |
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2014
- 2014-07-25 CN CN201420415388.7U patent/CN203960852U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120714A (en) * | 2014-07-25 | 2014-10-29 | 成都城电电力工程设计有限公司 | Manual hole digging pile and construction method thereof |
| CN104120714B (en) * | 2014-07-25 | 2016-02-10 | 成都城电电力工程设计有限公司 | The construction method of hand excavated pile |
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