CN206396747U - A kind of project pile deflection prevention structure used on soft soil foundation - Google Patents
A kind of project pile deflection prevention structure used on soft soil foundation Download PDFInfo
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- CN206396747U CN206396747U CN201621281679.7U CN201621281679U CN206396747U CN 206396747 U CN206396747 U CN 206396747U CN 201621281679 U CN201621281679 U CN 201621281679U CN 206396747 U CN206396747 U CN 206396747U
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- steel pipe
- hole
- cement mixing
- cushion
- soft soil
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Abstract
The utility model provides a kind of project pile deflection prevention structure used on soft soil foundation, belongs to building field.It solves the problem of existing off-set construction impact resistance is not good.In this project pile deflection prevention structure used on soft soil foundation and construction technology, off-set construction includes many cement mixing methods, adjoining two cement mixing method parts overlapping, the part for often locating overlapping is equipped with cushion hole in strip, steel pipe is vertically fixed in cushion hole, the elastic being made up of plastic material is vertically fixed in steel pipe, the inside and outside two side of steel pipe mutually reclines with the side wall of elastic and the hole wall of cushion hole respectively.This project pile deflection prevention structure used on soft soil foundation has the advantages that off-set construction impact resistance can be improved.
Description
Technical field
The utility model belongs to building field, is related to a kind of project pile deflection prevention structure used on soft soil foundation.
Background technology
Coastal area soft soil foundation is general based on mud or muck soil, and such native liquidity index is big, and shape is moulded in stream
State, shearing strength is low, compressibility is higher, permeability is smaller.Practice have shown that, the construction quality and off normal of general ground engineering pile are
It is easier control.But in soft soil foundation, off normal construction quality problem, i.e. pile sinking usually occurs in the engineering pile of construction
When position it is errorless, and intermediate acceptance before pile follower also has no problem, but has been found that part engineering pile position off normal after being excavated,
Sometimes the even off normal of large area.
For it is above-mentioned the problem of, it has been realized that deficiency, and improved, as disclosed in Chinese patent storehouse one
Plant project pile deflection prevention structure used on soft soil foundation and method for pretreating [application number:201010168018.4;Application publication number CN
102235008 A], ruggedized construction is set around engineering pile, and it is in grid that described ruggedized construction, which includes multiple cushion caps that surround,
The continuously arranged cement mixing method of structure, the stake top absolute altitude of the mixing pile is concordant with foundation ditch bottom absolute altitude, the depth of mixing pile
For 1.2-1.4 times of foundation depth, and described ruggedized construction is located at the 2/3-3/4 foundation ditches centered on foundation ditch center
In the range of;Described mixing pile is arranged by well head of cushion cap in substantially " well " font structure;The cushion cap is in triangle substantially,
Described engineering pile has three, is arranged between each corner location of the cushion cap, each engineering pile and is additionally provided with each engineering pile
Two two mixing piles spaced apart;Or described cushion cap is square, described engineering pile has four, is arranged at the cushion cap
Each corner location, provided with the mixing pile for being spaced apart both between adjoining engineering pile;Or described cushion cap is in rectangular
Shape, engineering pile has two, is arranged on two side positions of the cushion cap.
Because this pile deviation structure is used in coastal area, when running into violent typhoon or engineering machinery is not collided,
Because the part that cement mixing method exposes weak soil is separately provided, this part is caused to be easy to forced breakage, then shadow
Ring the use of whole pile deviation structure.
Utility model content
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that a kind of soft soil foundation preventing engineering
Pile deviation structure, the technical problem of solution is how to improve the impact resistance of ruggedized construction.
The utility model can be realized by following technical proposal:A kind of project pile deflection prevention structure used on soft soil foundation, including
Ruggedized construction around engineering pile, ruggedized construction include cement mixing method, cement mixing method have it is multiple and for
The cushion cap for placing engineering pile is well head in substantially " well " font structure continuous arrangement, two adjoining cement mixing method parts
Overlapping, it is characterised in that often locate the part of overlapping along the cushion hole being axially arranged with strip of cement mixing method, and it is slow
Punching is blind hole, and the aperture of described cushion hole is located on the roof of cement mixing method, and the bottom wall of cushion hole is located at cement
The steel pipe in straight tube-like, the length of both steel pipe and cushion hole are vertically fixed in the bottom of native mixing pile, each cushion hole
The bottom wall of identical and steel pipe lower end and cushion hole is offseted, and the elasticity being made up of plastic material is vertically fixed in described steel pipe
Post, and elastic is in solid shape, the inside and outside two side of steel pipe mutually reclines with the side wall of elastic and the hole wall of cushion hole respectively.
Under the collective effect of steel pipe and the elastic being made up of plastic material, make at the overlapping of two cement mixing methods both
With rigidity, there is toughness again, so just can effective inhibition power so as to effectively increase the anti-buffer capacity of lamination portion
Toward the transmission of next stage cement mixing method direction, then effectively reduction is delivered to the active force of next stage cement mixing method
Amount, to reduce the probability of cement mixing method forced breakage, so as to effectively increase the impact resistance of whole ruggedized construction.
In above-mentioned project pile deflection prevention structure used on soft soil foundation, the lateral wall of described steel pipe is set along the radial direction of the steel pipe
Limited location hole, spacing hole has multiple and gathered on the side wall of steel pipe, is embedded with and spacing hole phase in each described spacing hole
The unit of plastic of matching.
Using above-mentioned design, the toughness of steel pipe can be both improved, again steel pipe can be made to possess certain elasticity, so just
Deformation extent during steel pipe stress can be reduced, so that further reducing above-mentioned active force is delivered to next stage cement mixing method
On amount, then make raising ruggedized construction impact resistance purpose more stablize realize.
In above-mentioned project pile deflection prevention structure used on soft soil foundation, described spacing hole is blind hole, the front portion of the spacing hole
Direction of tapered and its diameter in the export-oriented steel pipe of steel pipe is gradually reduced, and the middle part and rear portion of spacing hole be rounded and aperture
It is identical with the anterior minimum-value aperture of spacing hole.
That is the shape of unit of plastic is also forward taper, postmedian circle., can by the way that the front portion of unit of plastic is designed into tapered
To increase the lifting surface area of unit of plastic;Secondly, by the way that the postmedian of unit of plastic is designed into circle, the front portion of unit of plastic is played
Preferable supporting role, so that whole unit of plastic preferably plays shock-absorbing capacity, makes the impact resistance of raising ruggedized construction
Purpose more stablize realize.
In above-mentioned project pile deflection prevention structure used on soft soil foundation, the upper end of described steel pipe is blind end, and elastic
Inner roof wall of the both ends of the surface respectively with cushion hole bottom wall and steel pipe offset.
Mutually reclined the collective effect of both in the upper end closed of steel pipe and the lateral wall of steel pipe and the hole wall of cushion hole
Under, the probability that elastic is contacted with external environment condition can be effectively reduced, to delay the speed of the elastic aging of column, makes elastic all the time
Stronger shock-absorbing capacity is kept, the purpose of the impact resistance of raising ruggedized construction is more stablized and realizes.
In above-mentioned project pile deflection prevention structure used on soft soil foundation, described steel pipe is by way of tight fit and described
Cement mixing method is mutually fixed;Described elastic is mutually fixed by way of tight fit with described steel pipe.
I.e. the connection of steel pipe and cement mixing method and the connection of steel pipe and elastic need not be zero by other
Part, had so both facilitated installation, and the cost of four installations above is reduced again.Secondly, using above-mentioned structure, steel pipe can be made
The hole wall of lateral wall and cushion hole is more closely contacted to form more structurally sound sealing, so as to avoid elastic and external environment condition
Contact, to substantially reduce the speed of the elastic aging of column, makes the purpose of the impact resistance of raising ruggedized construction more stablize and realizes.
Compared with prior art, this project pile deflection prevention structure used on soft soil foundation has advantages below:
1st, under the collective effect of steel pipe and the elastic being made up of plastic material, at the overlapping for making two cement mixing methods
Both there is rigidity, there is toughness again, so just can effective inhibition so as to effectively increase the anti-buffer capacity of lamination portion
Power is transmitted toward next stage cement mixing method direction, and then effectively reduction is delivered to the active force of next stage cement mixing method
Amount, to reduce the probability of cement mixing method forced breakage, so as to effectively increase the impact resistance of whole ruggedized construction.
2nd, by the embedded unit of plastic on the side wall of steel pipe, the toughness of steel pipe can be both improved, can possess steel pipe again
Certain elasticity, just can so reduce deformation extent during steel pipe stress, be delivered to so as to further reduce above-mentioned active force
Amount on next stage cement mixing method, then makes the purpose of the impact resistance of raising ruggedized construction more stablize and realizes.
3rd, by the way that the front portion of unit of plastic is designed into tapered, the lifting surface area of unit of plastic can be increased;Secondly, by that will mould
The postmedian of material block is designed to circle, and preferable supporting role is played to the front portion of unit of plastic, so that whole unit of plastic is preferable
Ground plays shock-absorbing capacity, the purpose of the impact resistance of raising ruggedized construction is more stablized and realizes.
4th, the upper end closed of steel pipe and the lateral wall of steel pipe and cushion hole hole wall closely against the common of both
Under effect, the probability that elastic is contacted with external environment condition can be effectively reduced, to delay the speed of the elastic aging of column, makes elastic
Stronger shock-absorbing capacity is remained, the purpose of the impact resistance of raising ruggedized construction is more stablized and realizes.
Brief description of the drawings
Fig. 1 is the structural representation of this project pile deflection prevention structure used on soft soil foundation.
Fig. 2 is cross section structure diagrams of the Fig. 1 on A-A directions.
Fig. 3 is the cross section structure diagram of steel pipe.
In figure, 1, cement mixing method;2nd, engineering pile;3rd, cushion cap;4th, steel pipe;4a, spacing hole;5th, elastic;6th, plastics
Block.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
Embodiment one
As shown in figure 1, this project pile deflection prevention structure used on soft soil foundation includes the ruggedized construction around engineering pile 2, tool
For body, ruggedized construction is located in the range of the 2/3-3/4 foundation ditches centered on foundation ditch center.The ruggedized construction is by many cement
Native mixing pile 1 is constituted, and many cement mixing methods 1 are well head in substantially " well " font knot for placing the cushion cap 3 of engineering pile 2
Structure continuous arrangement, and adjoining two parts of cement mixing method 1 overlapping.
Wherein, the depth of cement mixing method 1 is 1.2 times of foundation depth, and the stake top absolute altitude of cement mixing method 1 with
Foundation ditch bottom absolute altitude is concordant.The shape of cushion cap 3 can be square or rectangular again or general triangular, in the present embodiment,
It is preferred that cushion cap 3 is introduced for rectangle;Engineering pile 2 is arranged on the corner of cushion cap 3.
Often locate the part of overlapping along the cushion hole being axially arranged with strip of cement mixing method 1, and cushion hole is
Blind hole.As shown in figure 1, the aperture of cushion hole is located on the roof of cement mixing method 1, i.e., now, the aperture of cushion hole is upward;
The bottom wall of cushion hole is located at the bottom of cement mixing method 1, and the bottom wall of the cushion hole is plane.
The steel pipe 4 in straight tube-like is vertically fixed in each cushion hole, and in the present embodiment, preferably steel pipe 4 is in circle
Tubulose, cushion hole is rounded, and steel pipe 4 is fixed by way of tight fit with cement mixing method 1, so not only can ensure that steel
The stability that pipe 4 and cement mixing method 1 are connected, and form the lateral wall of steel pipe 4 and the hole wall tight abutment of cushion hole
Sealing.Further illustrate, the upper end of steel pipe 4 is blind end;Steel pipe 4 is identical with the length of both cushion holes, and the lower end of steel pipe 4
Offseted with the bottom wall of cushion hole, to play preferable supporting role to cushion hole.
As shown in Fig. 2 the elastic 5 in solid shape is vertically fixed in every steel pipe 4, and elastic 5 is by plastics material
Material is made.In the present embodiment, preferably elastic 5 is cylindrical, and elastic 5 is fixed by way of tight fit with steel pipe 4,
I.e. now, the side wall of elastic 5 and the madial wall of steel pipe 4 closely against.Further illustrate, the both ends of the surface of elastic 5 respectively with
The inner roof wall of cushion hole bottom wall and steel pipe 4 offsets.
As shown in Figures 2 and 3, the lateral wall of steel pipe 4 is radially provided with spacing hole 4a along the steel pipe 4, and spacing hole 4a has many
It is individual and gather on the side wall of steel pipe 4, the unit of plastic 6 matched with spacing hole 4a is embedded with each spacing hole 4a.Further
Illustrate, spacing hole 4a is blind hole, the direction of spacing hole 4a anterior tapered and its diameter in the extroversion steel pipe 4 of steel pipe 4 by
Decrescence small, spacing hole 4a middle part and rear portion are rounded and aperture is identical with spacing hole 4a anterior minimum-value aperture.Mould
The shape of material block 6 is also forward taper, postmedian circle.By the way that the front portion of unit of plastic 6 is designed into tapered, plastics can be increased
The lifting surface area of block 6;Secondly, by the way that the postmedian of unit of plastic 6 is designed into circle, the front portion of unit of plastic 6 is played preferably
Supporting role, so that whole unit of plastic 6 preferably plays shock-absorbing capacity, makes the purpose of the impact resistance of raising ruggedized construction
More stablize and realize.
A kind of construction technology of project pile deflection prevention structure used on soft soil foundation, comprises the following steps:
A, making steel pipe 4:Meet the pipeline section of length under being cut from raw material tubing, after pipeline section is clipped on lathe, pass through
Drill bit gets out blind round hole on the lateral wall of pipeline section, and then the front end of blind round hole is slightly cut with scissors by thick taper reamer, then
The front end of blind round hole is finish reamed by smart taper reamer to form spacing hole 4a.
B, assembling steel pipe 4 and unit of plastic 6:Plastic grain is inserted in spacing hole 4a, heating steel pipe 4 melts plastic grain
Into liquid and fill up whole spacing hole 4a, after after the natural cooling of steel pipe 4, above-mentioned liquid curing into unit of plastic 6 and with steel pipe 4
Blank is adhesively-bonded together to form, then sanding and polishing is carried out to the outer surface of blank by sanding and polishing machine.
C, installation elastic 5:By one end of feed material plastics post be inserted into steel pipe 4 until with the blind end of steel pipe 4
Stop insertion when end face offsets, then feed material plastics post is blocked by cutter.
D, positioning cement mixing method 1:Slag packing course of delaying when cutting out 2 pile sinking of engineering pile, centered on foundation ditch center
In the range of 2/3-3/4 foundation ditches determine cement mixing method 1, multiple cement mixing methods 1 be centered around around cushion cap 3 and with
Cushion cap 3 is well head in substantially " well " font structure continuous arrangement.
E, making cement mixing method 1:The cement mixing method 1 that cement mixing pile machine centering is specified, in foundation depth
Start to record cement mixing method 1 at 1.2 times of position, and the stake top absolute altitude of cement mixing method 1 is concordant with foundation ditch bottom absolute altitude,
Above-mentioned step is repeated, is finished until all cement mixing methods 1 are recorded.
F, processing buffer hole:Drilled downwards from the roof of cement mixing method 1 by concrete coring machine slow to process
Punching.
G, the assembly that step C is obtained is inserted into cushion hole.
In above-mentioned step, the positioning that is related in step D and step E and make cement mixing method 1 method it is equal
It is existing, specifically may be referred to a kind of soft soil foundation preventing engineering 2 off-set constructions of stake and method for pretreating disclosed in Chinese patent storehouse
[application number: 201010168018.4;Application publication number CN 102235008A];Cement mixing method 1 is the water of 700@of Φ 600
Mud mixing pile, cement mixing content is 10%-20%, and the volume of outer-penetrating agent gypsum powder is the 2.0% of cement mixing content, and sky stirs part water
Mud volume is 8%, and the ratio of mud is 0.5-0.6.
Embodiment two
The structure and principle of the be the same as Example one of the present embodiment two are essentially identical, and different place is:Soil-cement
The depth of stake 1 is 1.3 times of foundation depth.
A kind of construction technology of project pile deflection prevention structure used on soft soil foundation, comprises the following steps:
A, making steel pipe 4:Meet the pipeline section of length under being cut from raw material tubing, after pipeline section is clipped on lathe, pass through
Drill bit gets out blind round hole on the lateral wall of pipeline section, and then the front end of blind round hole is slightly cut with scissors by thick taper reamer, then
The front end of blind round hole is finish reamed by smart taper reamer to form spacing hole 4a.
B, assembling steel pipe 4 and unit of plastic 6:Plastic grain is inserted in spacing hole 4a, heating steel pipe 4 melts plastic grain
Into liquid and fill up whole spacing hole 4a, after after the natural cooling of steel pipe 4, above-mentioned liquid curing into unit of plastic 6 and with steel pipe 4
Blank is adhesively-bonded together to form, then sanding and polishing is carried out to the outer surface of blank by sanding and polishing machine.
C, installation elastic 5:By one end of feed material plastics post be inserted into steel pipe 4 until with the blind end of steel pipe 4
Stop insertion when end face offsets, then feed material plastics post is blocked by cutter.
D, positioning cement mixing method 1:Slag packing course of delaying when cutting out 2 pile sinking of engineering pile, centered on foundation ditch center
In the range of 2/3-3/4 foundation ditches determine cement mixing method 1, multiple cement mixing methods 1 be centered around around cushion cap 3 and with
Cushion cap 3 is well head in substantially " well " font structure continuous arrangement.
E, making cement mixing method 1:The cement mixing method 1 that cement mixing pile machine centering is specified, in foundation depth
Start to record cement mixing method 1 at 1.3 times of position, and the stake top absolute altitude of cement mixing method 1 is concordant with foundation ditch bottom absolute altitude,
Above-mentioned step is repeated, is finished until all cement mixing methods 1 are recorded.
F, processing buffer hole:Drilled downwards from the roof of cement mixing method 1 by concrete coring machine slow to process
Punching.
G, the assembly that step C is obtained is inserted into cushion hole.
Embodiment three
The structure and principle of the be the same as Example one of the present embodiment three are essentially identical, and different place is:
The depth of cement mixing method 1 is 1.4 times of foundation depth.
A kind of construction technology of project pile deflection prevention structure used on soft soil foundation, comprises the following steps:
A, making steel pipe 4:Meet the pipeline section of length under being cut from raw material tubing, after pipeline section is clipped on lathe, pass through
Drill bit gets out blind round hole on the lateral wall of pipeline section, and then the front end of blind round hole is slightly cut with scissors by thick taper reamer, then
The front end of blind round hole is finish reamed by smart taper reamer to form spacing hole 4a.
B, assembling steel pipe 4 and unit of plastic 6:Plastic grain is inserted in spacing hole 4a, heating steel pipe 4 melts plastic grain
Into liquid and fill up whole spacing hole 4a, after after the natural cooling of steel pipe 4, above-mentioned liquid curing into unit of plastic 6 and with steel pipe 4
Blank is adhesively-bonded together to form, then sanding and polishing is carried out to the outer surface of blank by sanding and polishing machine.
C, installation elastic 5:By one end of feed material plastics post be inserted into steel pipe 4 until with the blind end of steel pipe 4
Stop insertion when end face offsets, then feed material plastics post is blocked by cutter.
D, positioning cement mixing method 1:Slag packing course of delaying when cutting out 2 pile sinking of engineering pile, centered on foundation ditch center
In the range of 2/3-3/4 foundation ditches determine cement mixing method 1, multiple cement mixing methods 1 be centered around around cushion cap 3 and with
Cushion cap 3 is well head in substantially " well " font structure continuous arrangement.
E, making cement mixing method 1:The cement mixing method 1 that cement mixing pile machine centering is specified, in foundation depth
Start to record cement mixing method 1 at 1.4 times of position, and the stake top absolute altitude of cement mixing method 1 is concordant with foundation ditch bottom absolute altitude,
Above-mentioned step is repeated, is finished until all cement mixing methods 1 are recorded.
F, processing buffer hole:Drilled downwards from the roof of cement mixing method 1 by concrete coring machine slow to process
Punching.
G, the assembly that step C is obtained is inserted into cushion hole.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (5)
1. a kind of project pile deflection prevention structure used on soft soil foundation, including the ruggedized construction around engineering pile, ruggedized construction include
Cement mixing method, cement mixing method has multiple and is well head in substantially " well " font knot for placing the cushion cap of engineering pile
Structure continuous arrangement, adjoining two cement mixing method parts overlapping, it is characterised in that often locate the part of overlapping along cement
The cushion hole being axially arranged with strip of native mixing pile, and cushion hole is blind hole, the aperture of described cushion hole is located at cement
On the roof of native mixing pile, and the bottom wall of cushion hole is vertical fixed in the bottom of cement mixing method, each cushion hole
There is a steel pipe in straight tube-like, the length of both steel pipe and cushion hole is identical and bottom wall of lower end of steel pipe and cushion hole offsets, institute
The elastic being made up of plastic material is vertically fixed in the steel pipe stated, and elastic is in solid shape, the inside and outside two side of steel pipe
Mutually reclined with the side wall of elastic and the hole wall of cushion hole respectively.
2. project pile deflection prevention structure used on soft soil foundation according to claim 1, it is characterised in that the outside of described steel pipe
Be radially provided with spacing hole of the wall along the steel pipe, spacing hole has multiple and gathered on the side wall of steel pipe, each described spacing hole
Inside it is embedded with the unit of plastic matched with spacing hole.
3. project pile deflection prevention structure used on soft soil foundation according to claim 2, it is characterised in that described spacing hole is blind
Hole, the direction of anterior tapered and its diameter of the spacing hole in the export-oriented steel pipe of steel pipe is gradually reduced, the middle part of spacing hole and
Rear portion is rounded and aperture is identical with the anterior minimum-value aperture of spacing hole.
4. the project pile deflection prevention structure used on soft soil foundation according to claim 1 or 2 or 3, it is characterised in that described steel pipe
Upper end be blind end, and inner roof wall of the both ends of the surface respectively with cushion hole bottom wall and steel pipe of elastic offsets.
5. project pile deflection prevention structure used on soft soil foundation according to claim 4, it is characterised in that described steel pipe passes through tight
The mode of cooperation is mutually fixed with described cement mixing method;Described elastic by way of tight fit with described steel pipe
It is mutually fixed.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106592584A (en) * | 2016-11-28 | 2017-04-26 | 林清辉 | Anti-deviation structure for engineering pile on soft soil foundation and construction process |
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2016
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106592584A (en) * | 2016-11-28 | 2017-04-26 | 林清辉 | Anti-deviation structure for engineering pile on soft soil foundation and construction process |
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