CN208792356U - A kind of multi-column pier foundation with starlike through-hole - Google Patents
A kind of multi-column pier foundation with starlike through-hole Download PDFInfo
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- CN208792356U CN208792356U CN201821145481.5U CN201821145481U CN208792356U CN 208792356 U CN208792356 U CN 208792356U CN 201821145481 U CN201821145481 U CN 201821145481U CN 208792356 U CN208792356 U CN 208792356U
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- hole
- starlike
- tubular pole
- column pier
- pier foundation
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Abstract
Multi-column pier foundation provided by the utility model with starlike through-hole, by being equipped with several sets of vias along the longitudinal gap of tube wall on the tube wall of the tubular pole, each sets of vias includes first through hole, second through-hole and third through-hole, first through hole in same sets of vias, second through-hole and third through-hole are located in the same horizontal position and are uniformly distributed on the tube wall of the tubular pole, it can be being formed between the soil body outside tubular pole and stake by the channel in three directions that the soil body is conducted outside tubular pole inner cavity and stake, it can make in clump of piles pile driving process, the intracorporal Free water of soil around pile and mud are out of, three directions flow freely into tubular pole lumen, in work progress or the construction intermittent phase can use water pump and persistently extract out, the maximum value of the intracorporal excess pore water pressure of soil around pile can be effectively reduced, accelerate the dissipation of excess pore water pressure, reaching faster reduces super hole The purpose of water pressure, reduces the generation of pile sinking accident, and the shearing strength of pile peripheral earth is improved, foundation bearing capacity enhancing.
Description
Technical field
The utility model relates to the realm of building construction more particularly to a kind of multi-column pier foundations with starlike through-hole.
Background technique
With the development of construction industry and national economy, construction land is more nervous, and people is caused to have in limited soil
High-rise even Super High, the utilization rate in the soil Lai Tigao are built on the ground.In order to make basis be able to satisfy upper load requirement, usually need
Consolidation process is carried out to the soil body, pile foundation is exactly one of the most common type base form.
In numerous pile foundations, tubular pole because of its bearing capacity of single pile height, bending resistance and extraction-resistant behavior relative to traditional pile-type have compared with
Big advantage, static pressure pile-sinking have low pollution in work progress, do not disturb residents, and it is excellent can to efficiently control uneven settlement of foundation etc.
Point, therefore be widely used.However usual single stake is the load of unbearable superstructure in engineering, when single pile bearing capacity without
When method is met the requirements, for actual needs using two or two or more more piles come shared upper load, each stake passes through stake
The cushion cap on top is linked together, and forms clump of piles pipe pile foundation.But clump of piles tubular pole inevitably generates soil compaction during the pile driving process
Effect steeply rises pile peripheral earth excess pore water pressure in a short time, so that a series of pile sinking thing can be caused to engineering
Therefore.
Therefore, how to accelerate the dissipation of excess pore water pressure in clump of piles pile driving process or reduce clump of piles Super-void Water Pressure
The maximum value of power, effectively reduces effect of driving pile, reduces the generation of pile sinking accident, is this field technology urgently to be resolved
Problem.
Utility model content
The purpose of this utility model is to provide a kind of multi-column pier foundations with starlike through-hole, open up on the tube wall of tubular pole
First through hole, the second through-hole and the third through-hole being evenly arranged, can make the excess pore water generated in pile driving process from three
A direction equilibrium flows freely into the lumen of tubular pole, accelerates the dissipation of excess pore water pressure or reduces clump of piles excess pore water pressure
Maximum value, effectively reduce effect of driving pile, reduce the generation of pile sinking accident.
In order to solve the above technical problems, the utility model provides the following technical solutions:
A kind of multi-column pier foundation with starlike through-hole is set in the soil body for soil mass consolidation, including cushion cap and setting
Several tubular poles below cushion cap are equipped with several sets of vias, Mei Yitong along the longitudinal gap of tube wall on the tube wall of the tubular pole
Hole group includes first through hole, the second through-hole and third through-hole, and the first through hole, the second through-hole and third in each sets of vias are logical
Hole is correspondingly arranged up and down respectively, and the first through hole, the second through-hole and third through-hole in same sets of vias are located at same level position
It sets and is uniformly distributed on the tube wall of the tubular pole.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the quantity of the tubular pole is four, four tubular poles
Top be fixedly connected with cushion cap, be distributed at the top of four tubular poles on square four vertex, the cushion cap is positive
Rectangular, the square and the four edges of the square where cushion cap where the top of four tubular poles are corresponding parallel and described
Square where the top of four tubular poles is with the square line of centres where cushion cap perpendicular to the upper surface of cushion cap.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the distance between adjacent first through hole is pipe
The stake of stake long 1/N, N are the sum of the quantity of first through hole.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the first through hole and the second through-hole are circle
Hole.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the aperture of the first through hole and the second through-hole
It is the 1/15~2/15 of the stake diameter of tubular pole.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the wall thickness of the tubular pole is the 1/10 of stake diameter
~1/12.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the stake diameter of the tubular pole is that the stake of tubular pole is long
1/14~1/15.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the spacing of adjacent tubular pole is the 5~10 of stake diameter
Times.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, several sets of vias along tubular pole longitudinal direction
Spaced set.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the first through hole, the second through-hole and third
The shapes and sizes of through-hole are consistent.
By techniques disclosed above scheme it is found that the beneficial effects of the utility model are as follows:
Multi-column pier foundation provided by the utility model with starlike through-hole, by the tube wall of the tubular pole along tube wall
Longitudinal gap be equipped with several groups through-hole, each sets of vias includes first through hole, the second through-hole and third through-hole, and first is logical
Hole, the second through-hole and third through-hole are located in the same horizontal position and are uniformly distributed on the tube wall of the tubular pole, Ke Yi
It is formed between tubular pole and the outer soil body of stake by the channel in three directions that the soil body is conducted outside tubular pole inner cavity and stake, clump of piles pile sinking can be made
In the process, the intracorporal Free water of soil around pile and mud in work progress or are applied out of three directions flow freely into tubular pole lumen
The work intermittent phase can use water pump and persistently extract out, and the maximum value of the intracorporal excess pore water pressure of soil around pile can be effectively reduced, accelerate
The dissipation of excess pore water pressure achievees the purpose that faster to reduce excess pore water pressure, effectively reduces effect of driving pile, and it is heavy to reduce
The generation of stake accident, and the shearing strength of pile peripheral earth is improved, foundation bearing capacity enhancing.Also, it is tried by model
It tests and is obtained with numerical simulation analysis: compared to unidirectional aperture and two-way aperture, starlike aperture not only excess pore water pressure maximum value
Minimum, and the stress concentration effect generated in tapping influences minimum, is optimal aperture mode.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the multi-column pier foundation with starlike through-hole of the utility model embodiment one.
Fig. 2 is the schematic view of facade structure of the multi-column pier foundation with starlike through-hole of the utility model embodiment one.
Fig. 3 is the A-A diagrammatic cross-section of Fig. 2.
Fig. 4 is the B-B diagrammatic cross-section of Fig. 2.
In figure: 1- cushion cap, 2- tubular pole, 3- lumen, 4- first through hole, the second through-hole of 5-, 6- third through-hole.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation and
The advantages of claims, the utility model and feature will become apparent from.It below will be by cited embodiment combination attached drawing, in detail
Illustrate the technology contents and feature of the utility model.Need in addition it illustrate, attached drawing is all made of very simplified form and makes
With non-accurate ratio, the purpose of the utility model embodiment is only aided in illustrating to convenience, lucidly.For sake of convenience, under
"upper" described in the text, "lower" are consistent with the upper and lower direction of attached drawing, but this can't be the limit of technical solutions of the utility model
System.
Referring to FIG. 1 to FIG. 4, present embodiment discloses a kind of multi-column pier foundation with starlike through-hole, it is set in the soil body
For soil mass consolidation, including cushion cap 1 and several tubular poles being set to below cushion cap 1, the tubular pole 2 is round tubular pole, is had
One lumen 3 is equidistantly equipped at intervals with several groups through-hole, each through-hole along the longitudinal of tube wall on the tube wall of the tubular pole 2
Group includes first through hole 4, the second through-hole 5 and third through-hole 6, first through hole 4, the second through-hole 5 in each sets of vias and the
Three through-holes 6 respectively up and down is correspondingly arranged, first through hole 4, the second through-hole 5 and third through-hole 6 be located in the same horizontal position and
Be uniformly distributed on the tube wall of the tubular pole 2, the first through hole 4, the shape of second through-hole 5 and third through-hole 6 and
It is in the same size.
Multi-column pier foundation provided by the utility model with starlike through-hole, by the tube wall of the tubular pole 2 along pipe
The longitudinal gap of wall is equipped with several groups through-hole, and each sets of vias includes first through hole 4, the second through-hole 5 and third through-hole 6, and one
Through-hole 4, the second through-hole 5 and third through-hole 6 are located in the same horizontal position and are uniformly distributed on the tube wall of the tubular pole 2,
Can make in clump of piles pile driving process, the intracorporal Free water of soil around pile and mud out of, three directions flow freely into tubular pole 2 lumen 3,
In work progress or the construction intermittent phase can use water pump and persistently extract out, and the intracorporal excess pore water pressure of soil around pile can be effectively reduced
Maximum value, accelerate excess pore water pressure dissipation, achieve the purpose that faster reduce excess pore water pressure, effectively reduce pile sinking squeeze
Native effect, reduces the generation of pile sinking accident, and the shearing strength of pile peripheral earth is improved, foundation bearing capacity enhancing.This
Outside, it is obtained by model test and numerical simulation analysis: compared to unidirectional aperture and two-way aperture, starlike aperture not only super hole
Water pressure maximum value is minimum, and the stress concentration effect generated in tapping influences minimum, is optimal aperture mode.
In order to enable the multi-column pier foundation with starlike through-hole is whole more stable, increases it with the periphery soil body and bear top
The ability of load, it is preferred that in the above-mentioned multi-column pier foundation with starlike through-hole, the quantity of the tubular pole 2 is four, four
The top of tubular pole 2 is fixedly connected with cushion cap 1, and the top of four tubular poles 2 is distributed on square four vertex, described to hold
Platform 1 is square, and the square where the top of four tubular poles 2 is corresponding with the four edges of square where cushion cap 1 flat
Row, and the line of centres of the square where the square and cushion cap 1 where the top of four tubular poles 2 is perpendicular to cushion cap 1
Upper surface.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the distance between adjacent first through hole 4 is pipe
The stake of stake 2 long 1/N, N are the sum of the quantity of first through hole 4.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the first through hole 4 is with the second through-hole 5
Circular hole, circular hole pore-forming is more convenient, and in the case that first through hole 4 is equal with 5 perimeter of the second through-hole, the maximum figure of area is circle
Shape, accelerates the dissipation of excess pore water pressure, and reduces the maximum value of clump of piles excess pore water pressure.
In order to enable tubular pole 2 has enough strength and stiffness, it is preferred that in the above-mentioned clump of piles base with starlike through-hole
In plinth, the aperture of the first through hole 4 and the second through-hole 5 is the 1/15~2/15 of the stake diameter of tubular pole 2, the wall of the tubular pole 2
Thickness is the 1/10~1/12 of stake diameter, and the stake diameter of the tubular pole 2 is long 1/14~1/15 of the stake of tubular pole 2, the first through hole 4,
The open pore size of second through-hole 5 and third through-hole 6 is the 1/15~2/15 of a diameter, and the tubular pole interval S takes 5~10 times
Stake diameter.
Preferably, in the above-mentioned multi-column pier foundation with starlike through-hole, the spacing of adjacent tubular pole 2 is the 5~10 of stake diameter
Times, to improve the entire stability and intensity with the multi-column pier foundation of starlike through-hole, increases it with the periphery soil body and bear top
The ability of load.
In conclusion the multi-column pier foundation provided by the utility model with starlike through-hole, enables to soil around pile intracorporal
Free water and mud are out of, three directions flow freely into tubular pole lumen, and in work progress or the construction intermittent phase can use water pump
Lasting extraction can be effectively reduced the maximum value of the intracorporal excess pore water pressure of soil around pile, accelerate the dissipation of excess pore water pressure, reach
To the purpose for faster reducing excess pore water pressure, effect of driving pile is effectively reduced, the generation of pile sinking accident is reduced, and makes stake
The shearing strength of Zhou Tuti is improved, foundation bearing capacity enhancing.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (10)
1. a kind of multi-column pier foundation with starlike through-hole is set in the soil body for soil mass consolidation, which is characterized in that including cushion cap
And several tubular poles below cushion cap are set to, several through-holes are equipped with along the longitudinal gap of tube wall on the tube wall of the tubular pole
Group, each sets of vias include first through hole, the second through-hole and third through-hole, first through hole, the second through-hole in each sets of vias
And third through-hole is correspondingly arranged up and down respectively, the first through hole, the second through-hole and third through-hole in same sets of vias are located at
In the same horizontal position and it is uniformly distributed on the tube wall of the tubular pole.
2. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that the quantity of the tubular pole is four
A, the top of four tubular poles is fixedly connected with cushion cap, is distributed on square four vertex at the top of four tubular poles, institute
It states cushion cap to be square, the square where the top of four tubular poles is corresponding with the four edges of square where cushion cap flat
Row, and the line of centres of the square and square where cushion cap where the top of four tubular poles is perpendicular to the upper of cushion cap
Surface.
3. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that between adjacent first through hole
Distance is the long 1/N of the stake of tubular pole, and N is the sum of the quantity of first through hole.
4. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that the through-hole is circular hole.
5. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that the first through hole is logical with second
The aperture in hole is the 1/15~2/15 of the stake diameter of tubular pole.
6. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that the wall thickness of the tubular pole is stake
The 1/10~1/12 of diameter.
7. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that the stake diameter of the tubular pole is tubular pole
Stake it is long 1/14~1/15.
8. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that the spacing of adjacent tubular pole is stake diameter
5~10 times.
9. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that several sets of vias are along pipe
Longitudinal spaced set of stake.
10. as described in claim 1 with the multi-column pier foundation of starlike through-hole, which is characterized in that the first through hole, second are led to
The shapes and sizes of hole and third through-hole are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145481.5U CN208792356U (en) | 2018-07-19 | 2018-07-19 | A kind of multi-column pier foundation with starlike through-hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145481.5U CN208792356U (en) | 2018-07-19 | 2018-07-19 | A kind of multi-column pier foundation with starlike through-hole |
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| Publication Number | Publication Date |
|---|---|
| CN208792356U true CN208792356U (en) | 2019-04-26 |
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ID=66202770
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821145481.5U Active CN208792356U (en) | 2018-07-19 | 2018-07-19 | A kind of multi-column pier foundation with starlike through-hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397021A (en) * | 2019-08-12 | 2019-11-01 | 上海建工二建集团有限公司 | A kind of prefabricated variable diameters hole tube pile structure and its construction method for treatment of soft foundation |
-
2018
- 2018-07-19 CN CN201821145481.5U patent/CN208792356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397021A (en) * | 2019-08-12 | 2019-11-01 | 上海建工二建集团有限公司 | A kind of prefabricated variable diameters hole tube pile structure and its construction method for treatment of soft foundation |
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