CN205804389U - A kind of Backfilled Stone Layer tube pile structure - Google Patents
A kind of Backfilled Stone Layer tube pile structure Download PDFInfo
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- CN205804389U CN205804389U CN201521098449.2U CN201521098449U CN205804389U CN 205804389 U CN205804389 U CN 205804389U CN 201521098449 U CN201521098449 U CN 201521098449U CN 205804389 U CN205804389 U CN 205804389U
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- pile
- stone layer
- backfilled stone
- punching
- backfilled
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Abstract
This utility model relates to a kind of Backfilled Stone Layer tube pile structure, it is characterized in that: described Backfilled Stone Layer is provided with punching, described punching is provided with pile for prestressed pipe, being filled with packed encapsulant layer between described pile for prestressed pipe and described punching internal face, described packed encapsulant layer is made up of multiple packaging bags being filled with packing material.Tube pile structure of the present utility model can realize the packing material closely knit effect of backfill, provides the geological foundation of reliable in quality for subsequent construction pile tube, it is adaptable to have in the geological conditions of Backfilled Stone Layer, be particularly suited near seashore and there is Backfilled Stone Layer geological conditions in.
Description
Technical field
This utility model relates to technical field of building construction, specifically a kind of Backfilled Stone Layer tube pile structure.
Background technology
When the field construction having Backfilled Stone Layer arranges pile tube, the general hole using hand digging mode to dig out certain depth,
Or use punch pattern drill from Backfilled Stone Layer to go out the hole of certain depth, then with sandy soil, hole or hole are filled in, then construction sets
Put pile tube.Such construction method is more applicable in general Backfilled Stone Layer place.But by the sea, in particular for sea separation levee, then
And it is inapplicable.
First, sea separation levee is arranged on seashore, and its subsoil water communicates with sea water.The Backfilled Stone Layer of sea separation levee is rushed
Hole, is necessarily full of sea water, and cannot drain in the hole of formation.Therefore, when backfilling sandy soil in hole, sandy soil are difficult to sink at the bottom of hole.
Secondly, the Backfilled Stone Layer of sea separation levee generally uses bigger stone, between stone, leaves many gaps.Therefore, backfill in hole
Major part sandy soil do not sink at the bottom of hole just gap through between stone and flow away.
Understand based on above-mentioned 2 reasons, use existing construction method, after the Backfilled Stone Layer punching to sea separation levee, it is impossible to Xiang Kong
In closely knit backfill sandy soil.If sinking to pile tube to backfilling directly to construct in uncompacted hole, it is easy to cause pile tube to occur disconnected
Stake and/or the situation of stake partially.Analogue once occurs, if it has to take certain remedial measure, the most both delayed construction work
Phase, increasing again construction cost, construction quality there is also hidden danger simultaneously.
Utility model content
This utility model solves the technical problem that and is to provide a kind of Backfilled Stone Layer tube pile structure, to solve the hole formed to drill
During middle backfill sandy soil, it is impossible to backfill closely knit problem.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of Backfilled Stone Layer tube pile structure is provided, in this structure, described Backfilled Stone Layer is provided with punching, described punching is provided with pre-
Stress pile tube, is filled with packed encapsulant layer, described packed filling between described pile for prestressed pipe and described punching internal face
Material layer is made up of multiple packaging bags being filled with packing material.
Further, the diameter of described punching is than described pile for prestressed pipe external diameter big 300～600mm, and described punching is along perpendicular
Nogata to height more than the thickness of described Backfilled Stone Layer.
Alternatively, one or more during described packaging bag uses plastic optical fibre bag, geotechnique's cloth bag or gunny.
Further, if a length of L of described packaging bag, a diameter of D1 of described packaging bag, described punching a diameter of
D2, then 2D1≤L≤0.7D2, or D1≤0.4D2.
Alternatively, the mixing of one or more during described packing material is fine sand, coarse sand, clay or rubble.
Further, the filling in the packaging bag of the packed encapsulant layer being positioned at Punches below described Backfilled Stone Layer
Material is clay；Packing material in the packaging bag of the packed encapsulant layer of the Punches being positioned in described Backfilled Stone Layer is thin
The mixture of one or more in sand, coarse sand, clay or rubble.
Alternatively, described pile for prestressed pipe is prestressed concrete pipe pile, thin tubular piles produced by prestressed concrete or high intensity
Prestressed concrete pipe pile.
Further, the external diameter of described pile tube is 300～600mm.
Alternatively, described pile for prestressed pipe uses the one in hammering method, static pressure method or vibratory drilling method, sinks to described punching
In.
Further, the upper end of described pile for prestressed pipe exceeds the upper surface of described Backfilled Stone Layer, described pile for prestressed pipe
Top is provided with cushion cap.
Compared with prior art, have the beneficial effect that:
Tube pile structure of the present utility model, it is adaptable to have in the geological conditions of Backfilled Stone Layer, is particularly suited near seashore
And have in the geological conditions of Backfilled Stone Layer.In this utility model, before backfilling sand in the hole that drill is formed, first will with packaging bag
If sand is distributed into dry bag rather than is directly backfilled in hole by sand.So, one is that the quality that can make sand collects relatively
In, in the case of in hole, full water and water cannot be drained, the packed sand of backfill can be because its gravity be more than buoyancy of water
Sink down at the bottom of hole.Sand can be limited in packaging bag by two, and sand is unlikely to flow away from the stone gap of Backfilled Stone Layer.With
Time, it is compacted the packed sand being backfilling in hole with block stamp, the closely knit backfill of sand can be realized, provide for subsequent construction pile tube
The geological foundation of reliable in quality.
Accompanying drawing explanation
Fig. 1 is embodiment tube pile structure schematic diagram of construction in the separation levee Backfilled Stone Layer of sea.
Fig. 2 is the generalized section of line A-A in Fig. 1.
Detailed description of the invention
In this utility model, term " on ", D score, "left", "right", "front", "rear", " top ", " end ", " interior ", " outward ",
In " ", " vertically ", " level ", " laterally ", the orientation of the instruction such as " longitudinally " or position relationship be based on orientation shown in the drawings or
Position relationship.These terms, primarily to preferably describe this utility model and embodiment, are not intended to limit indicated
Device, element or ingredient must have particular orientation, or construct with particular orientation and operate.
Further, above-mentioned part term is in addition to can be used to indicate that orientation or position relationship, it is also possible to be used for representing it
His implication, such as term " on " also be likely used in some cases representing certain relations of dependence or annexation.For ability
For the those of ordinary skill of territory, these terms concrete meaning in this utility model can be understood as the case may be.
Additionally, term " is installed ", " setting ", " being provided with ", should be interpreted broadly " connection ", " being connected ".For example, it may be it is solid
Fixed connection, removably connects, or monoblock type
Structure；Can be to be mechanically connected, or electrical connection；Can be to be joined directly together, or by the indirect phase of intermediary
Even, or be two devices, connection internal between element or ingredient.For those of ordinary skills,
Above-mentioned term concrete meaning in this utility model can be understood as the case may be.
Additionally, term " first ", " second " etc. are mainly used for distinguishing different device, element or ingredients (specifically
Kind identical may be likely to difference with structure), be not intended to device indicated by showing or imply, element or ingredient
Relative importance and quantity.Except as otherwise noted, the implication of " multiple " is two or more.
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further described.
The present embodiment provides a kind of Backfilled Stone Layer tube pile structure, and this tube pile structure is specifically located in the Backfilled Stone Layer of sea separation levee.
As depicted in figs. 1 and 2, in the present embodiment, the Backfilled Stone Layer 1 of sea separation levee is made up of the stone that volume is bigger, sets in Backfilled Stone Layer 1
There is a punching 2, this punching 2 is inserted multiple packaging bag being filled with packing material, also sink in punching 2 and be provided with prestressed pipe
Stake 4, packaging bag is filled in after being squeezed between pile for prestressed pipe 4 and punching 2 internal face and forms packed encapsulant layer 3, in advance
Stress pile tube 4 is arranged over cushion cap 5.
Wherein, punching 2 is to utilize punching apparatus drill on the longitudinal direction of Backfilled Stone Layer 1 to be formed, and its diameter ratio in advance should
The external diameter big 300～600mm of solenoid stake 4, and the height of punching vertically (i.e. above-below direction in Fig. 2) is more than Backfilled Stone Layer
The thickness of 1.It is understood that than the external diameter of pile for prestressed pipe, the diameter of punching is to ensure that greatly pile for prestressed pipe can be suitable
Profit ground pile sinking in the packaging bag that backfill is closely knit, and ensure the bearing capacity of pile for prestressed pipe.If the diameter of punching is less than prestressing force
The external diameter of pile tube, then pile for prestressed pipe still needs to from being difficult to pile sinking the Backfilled Stone Layer that penetrates.It practice, owing to Backfilled Stone Layer mostly being body
Long-pending relatively big and that hardness is bigger stone, pile for prestressed pipe cannot directly be constructed in Backfilled Stone Layer by conventional pile tube technology.
If packed encapsulant layer 3 is to utilize packaging bag that packing material is distributed into dry bag, tightens the bag mouth of packaging bag, fill out
Fill formation between pile for prestressed pipe and punching internal face.Wherein, packaging bag refers to contain having well of packing material
Resistance to fall, the packaging material of abrasion resistance properties, entirety takes the shape of a bag, and has the bag mouth enabling packing material to enter, this bag mouth
Bore can be tightened after loading appropriate packing material.Packaging bag can be plastic optical fibre bag, it is also possible to be use geotextiles or
The bag that scrim materials is made.In the present embodiment, packaging bag uses plastic optical fibre bag.Packing material in packaging bag can be
The mixing of one or more in fine sand, coarse sand, clay or rubble.
In this utility model, for ensureing that packaging bag is filled closely knit in punching, leave less space, therefore, packaging bag
Size according to punching size arrange.In punching, when packaging bag cross section along its length is perpendicular to the vertical of punching
When direction is placed (packaging bag is laterally disposed), a length of L of packaging bag, a diameter of D1 of packaging bag, a diameter of D2 of punching,
Then 2D1≤L≤0.7D2, such as, the diameter D2=800mm of punching, D1=250mm, L=500mm.When packaging bag is long according to it
Degree is oriented parallel to (packaging bag is vertically placed) when the vertical direction of punching is placed, a diameter of D1 of packaging bag, punching straight
Footpath is D2, then D1≤0.4D2, such as D2=800mm, D1=320mm.
Further, since tube pile structure of the present utility model is arranged in the Backfilled Stone Layer of sea separation levee, subsoil water is connected with sea water
Logical, so the water in punching is more, and cannot drain.In order to solve this problem, in the present embodiment, it is being positioned at below Backfilled Stone Layer
Punches in, insert the packaging bag equipped with clay, owing to clay water absorption is relatively strong, after water suction, clay and water mixing become mud
Slurry like material, makes packaging bag be easier to be settled down to bottom punching, also strengthens the degree of compaction of packing material simultaneously.In being positioned at Backfilled Stone Layer
Punches in, insert the packaging bag equipped with the mixture of one or more in fine sand, coarse sand, clay or rubble.
Pile for prestressed pipe is prestressed concrete pipe pile, thin tubular piles produced by prestressed concrete or high-strength prestressed concrete
One in pile tube.Pile for prestressed pipe external diameter, wall thickness and length etc. according in practice of construction to prestressed pipe pile bearing capacity
Requirement determines, such as can use a diameter of 300～800mm, wall thickness be 70～130mm, pile section joint a length of 5～30m some
Pile for prestressed pipe, after final prestressing force pile tube pile, a length of the 5 of stake～60m.In the present embodiment, use a diameter of
400mm, wall thickness are 90mm, pile section the joint a length of 5～pile for prestressed pipe of 12m, and after final pile tube pile, the length of stake is about 30m.
In this utility model, the one in hammering method, static pressure method or vibratory drilling method can be used, sink to pile for prestressed pipe to be filled with packed
In the punching of packing material.
Claims (10)
1. a Backfilled Stone Layer tube pile structure, it is characterised in that: described Backfilled Stone Layer is provided with punching, described punching is provided with prestressing force
Pile tube, is filled with packed encapsulant layer, described packed packing material between described pile for prestressed pipe and described punching internal face
Layer is made up of multiple packaging bags being filled with packing material.
Backfilled Stone Layer tube pile structure the most according to claim 1, it is characterised in that: the diameter of described punching is than described prestressing force
Pile tube external diameter big 300～600mm, described punching height vertically is more than the thickness of described Backfilled Stone Layer.
Backfilled Stone Layer tube pile structure the most according to claim 1, it is characterised in that: described packaging bag employing plastic optical fibre bag,
One or more in geotechnique's cloth bag or gunny.
Backfilled Stone Layer tube pile structure the most according to claim 1, it is characterised in that: set a length of L of described packaging bag, described
A diameter of D1 of packaging bag, a diameter of D2 of described punching, then 2D1≤L≤0.7D2, or D1≤0.4D2.
Backfilled Stone Layer tube pile structure the most according to claim 1, it is characterised in that: described packing material is fine sand, coarse sand, glues
Soil or rubble.
Backfilled Stone Layer tube pile structure the most according to claim 5, it is characterised in that: it is positioned at the punching portion below described Backfilled Stone Layer
Packing material in the packaging bag of the packed encapsulant layer divided is clay；The Punches being positioned in described Backfilled Stone Layer packed
Packing material in the packaging bag of encapsulant layer is fine sand, coarse sand, clay or rubble.
Backfilled Stone Layer tube pile structure the most according to claim 1, it is characterised in that: described pile for prestressed pipe is prestressed concrete
Soil pile tube, thin tubular piles produced by prestressed concrete or high strength prestressed concrete pipe pile.
Backfilled Stone Layer tube pile structure the most according to claim 7, it is characterised in that: the external diameter of described pile for prestressed pipe is 300
～600mm.
9. according to the Backfilled Stone Layer tube pile structure described in claim 7 or 8, it is characterised in that: described pile for prestressed pipe uses hammering
One in method, static pressure method or vibratory drilling method, sinks in described punching.
Backfilled Stone Layer tube pile structure the most according to claim 1, it is characterised in that: the upper end of described pile for prestressed pipe exceeds
The upper surface of described Backfilled Stone Layer, the top of described pile for prestressed pipe is provided with cushion cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098449.2U CN205804389U (en) | 2015-12-24 | 2015-12-24 | A kind of Backfilled Stone Layer tube pile structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098449.2U CN205804389U (en) | 2015-12-24 | 2015-12-24 | A kind of Backfilled Stone Layer tube pile structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205804389U true CN205804389U (en) | 2016-12-14 |
Family
ID=58144841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521098449.2U Active CN205804389U (en) | 2015-12-24 | 2015-12-24 | A kind of Backfilled Stone Layer tube pile structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205804389U (en) |
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2015
- 2015-12-24 CN CN201521098449.2U patent/CN205804389U/en active Active
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