CN103953057A - Pile foundation for preventing soft soil foundation from disengaging - Google Patents
Pile foundation for preventing soft soil foundation from disengaging Download PDFInfo
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- CN103953057A CN103953057A CN201410198573.XA CN201410198573A CN103953057A CN 103953057 A CN103953057 A CN 103953057A CN 201410198573 A CN201410198573 A CN 201410198573A CN 103953057 A CN103953057 A CN 103953057A
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Abstract
The invention discloses a pile foundation for preventing a soft soil foundation from disengaging. The pile foundation comprises a building, a cement platform, foundation piles, envelope piles and a soil layer, wherein the cement platform is arranged below the bottom building; a plurality of foundation piles are arranged below the cement platform; the envelope piles are arranged on the peripheries of the foundation piles; the envelope piles and the foundation piles are positioned in the soil layer; baffles are arranged on the two sides of each foundation pile through hinges; stop blocks are mounted at the lower parts of the baffles; a memory alloy plate is mounted at the middle part in each foundation pile; a heating wire is mounted in each memory alloy plate; the cross section of each foundation pile is rectangular; stress ribs are arranged on the inner layer of each foundation pile; hooping ribs are arranged on the intermediate layer; the outer layer is an iron sheet; the outer layer, the intermediate layer and the outer layer are mutually poured together through cement; the memory alloy plate is semicircular. According to the pile foundation, spindle-shaped foundation piles and a pile distribution form are adopted; each spindle-shaped pile body has the characteristics of high arch support force, material conservation, obvious soil arch effect and the like. In the situation of adopting a reasonable pile distribution form, on one hand, the sedimentation of a soil body below a bearing platform can be reduced so as to prevent the bearing platform from disengaging; on the other hand, the bearing force of the pile foundation can be improved.
Description
Technical field
The present invention relates to the pile foundation of coming to nothing in soft foundation control basis, belong to technical field of buildings.
Background technology
Along with the development of modern science and technology, builing industry, more and more to high-end development, is all that high buildings and large mansions are main substantially, but builds a house and be easy to cause foundation settlement on some Soft Soil Layers;
The harm that foundation settlement brings: 1. underconsolidated soil consolidation process can cause foundation soil sedimentation will produce pile-side negative friction in the time that its settling rate is greater than settling rate, under stake is produced, drags power, may cause the destruction of pile damage, pile end groundwork etc.; Once 2. ground subsiding extent is larger, will make cushion cap bottom and foundation soil mutually depart from, produce the cushion cap phenomenon of coming to nothing; 3. foundation settlement may also can exert an influence to the building closing on, and makes Nearby Structure produce or crack;
The pile foundation support table harm of coming to nothing: once pile foundation support table departs from foundation soil, pile cap bottom will lose bearing capacity so, also will make the support force that cushion cap is subject to decline, under the exerting pressure of upper load, cushion cap sedimentation downwards, can make again conversely superstructure produce sedimentation or inclination, increase potential safety hazard, even lead to engineering accident simultaneously.In addition, when the moment that occurs coming to nothing, it is upper that the load that inter-pile soil is shared can pass to stake at once, and this has just increased the suffered load of stake, if pile capacity is inadequate, likely causes pile damage, is a urgent problem.
Summary of the invention
The object of this invention is to provide the pile foundation of coming to nothing in soft foundation control basis.
The problem to be solved in the present invention is the deficiency that the building on existing Soft Soil Layer easily causes sedimentation.
For realizing object of the present invention, the technical solution used in the present invention is:
The pile foundation of coming to nothing in soft foundation control basis, comprise building, cemented platform, foundation pile, fender post and soil layer, building of the described end has cemented platform, and cemented platform has the stake of many foundation, foundation pile is arranged with fender post outward, and fender post, foundation pile are all arranged in soil layer.
Described foundation pile both sides are provided with baffle plate by hinge, and baffle plate bottom is provided with block, and in foundation pile, middle part is provided with memorial alloy plate, on memorial alloy plate, heater strip is installed.
Described foundation pile cross section is rectangle, and internal layer is principal rod, and middle level is stirrup, and skin is iron sheet, and three layers are cast in together mutually by cement.
Described foundation pile is spindle structure.
Described memorial alloy plate is semicircular arc-shaped.
The mutual spacing of described foundation pile is 3/4ths of memorial alloy plate girth, after making to uphold, can sink by prevention soil layer bonded to each other.
Described memorial alloy plate is provided with barb, can be intermeshing after making to uphold.
Advantage of the present invention: the present invention adopts spindle foundation pile and the pattern that lays out pile, the feature such as this spindle-type pile body has that arch springing support force is strong, material-saving, native arching action are obvious.Taking reasonably to lay out pile in pattern situation, can reduce on the one hand the sedimentation of the soil body under cushion cap, preventing that cushion cap from coming to nothing, can improve on the other hand bearing capacity of pile foundation, should there is the market space widely.
Brief description of the drawings
Fig. 1 is the stereogram of the basic pile foundation of coming to nothing of soft foundation control of the present invention;
Fig. 2 is the enlarged diagram of the basic pile foundation foundation pile coming to nothing of soft foundation control of the present invention;
Fig. 3 is the sectional view of the basic pile foundation foundation pile A-A coming to nothing of soft foundation control of the present invention;
In figure: 1, building 2, cemented platform 3, foundation pile 4, fender post 5, soil layer 6, baffle plate 7, block 8, heater strip 9, memorial alloy plate 10, principal rod 11, stirrup 12, iron sheet.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
The pile foundation of coming to nothing in soft foundation control basis, comprise building 1, cemented platform 2, foundation pile 3, fender post 4 and soil layer 5, building of the described end 1 has cemented platform 2, and cemented platform 2 has many foundation stake 3, foundation pile 3 is outer is arranged with fender post 4, and fender post 4, foundation pile 3 are all arranged in soil layer 5.
Described foundation pile 3 both sides are provided with baffle plate 6 by hinge, and baffle plate 6 bottoms are provided with block 7, make baffle plate 6 can only rotate 90 degree; While piling like this, can squeeze into smoothly, later stage baffle plate 6 can automatically open the interior middle part of foundation pile 3 with sinking of soil layer memorial alloy plate 9 is installed, and heater strip 8 is installed, for heating memorial alloy plate 9 on memorial alloy plate 9.
Described foundation pile 3 cross sections are rectangle, and internal layer is principal rod 10, and middle level is stirrup 11, and skin is that 12, three layers, iron sheet is cast in together mutually by cement, makes it have good structural strength.
Described foundation pile 3 is spindle structure, spindle stake neutral point is the expansion laterally with certain slope with the first half, so in the time that soil body generation differential settlement causes into arching, than the pile body of general rule, now spindle stake can offer the support force that arch springing is larger, the power producing to support its top soil body sedimentation of soil arch opposing; Meanwhile, pile body neutral point has increased the contact area of stake with stake subsoil body with the lower portion gradient, has increased the soil body and has offered stake pile side resistance upwards, has effectively reduced the sedimentation of pile body.
Described memorial alloy plate 9 is semicircular arc-shaped, in the time spending lower than 45, can automatically stretch.
The mutual spacing of described foundation pile 3 is 3/4ths of memorial alloy plate 9 girths, after making to uphold, can sink by prevention soil layer bonded to each other.
Described memorial alloy plate 9 is provided with barb, can be intermeshing after making to uphold, stop the earth of sinking.
Using method of the present invention: before the son that builds a house, more than first heater strip 8 being heated to 50 degree to memorial alloy plate 9, make it be arch Inner contracting, conveniently squeeze in soil layer, then foundation pile 3, fender post 4 are driven in Soft Soil Layer and by spacing and are adjusted, stop heating, adopt spindle-type foundation pile 3 to form a clump of piles, such while applying in owing fixed foundation soil, owing to there being an inclined plane, more produce arch springing than general upright pile body and support, therefore stress arch can be significantly, more effective.Then at foundation pile 3 top joints cement platforms 2, then in cemented platform 2, build house.
Claims (7)
1. the pile foundation that come to nothing in soft foundation control basis, comprise building (1), cemented platform (2), foundation pile (3), fender post (4) and soil layer (5), it is characterized in that: building of the described end (1) has cemented platform (2), cemented platform (2) has many foundation stake (3), foundation pile (3) is outer is arranged with fender post (4), and fender post (4), foundation pile (3) are all arranged in soil layer (5).
2. the pile foundation that come to nothing in soft foundation control according to claim 1 basis, it is characterized in that: described foundation pile (3) both sides are provided with baffle plate (6) by hinge, baffle plate (6) bottom is provided with block (7), in foundation pile (3), middle part is provided with memorial alloy plate (9), and heater strip (8) is installed on memorial alloy plate (9).
3. the pile foundation that come to nothing in soft foundation control according to claim 1 basis, it is characterized in that: described foundation pile (3) cross section is rectangle, internal layer is principal rod (10), and middle level is stirrup (11), skin is iron sheet (12), and three layers are cast in together mutually by cement.
4. the pile foundation that come to nothing in soft foundation control according to claim 1 basis, is characterized in that: described foundation pile (3) is spindle structure.
5. the pile foundation that come to nothing in soft foundation control according to claim 1 and 2 basis, is characterized in that: described memorial alloy plate (9) is semicircular arc-shaped.
6. the pile foundation that come to nothing in soft foundation control according to claim 1 and 2 basis, is characterized in that: the mutual spacing of described foundation pile (3) is 3/4ths of memorial alloy plate (9) girth, after making to uphold, can sink by prevention soil layer bonded to each other.
7. the pile foundation that come to nothing in soft foundation control according to claim 1 and 2 basis, is characterized in that: described memorial alloy plate (9) is provided with barb, can be intermeshing after making to uphold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198573.XA CN103953057A (en) | 2014-05-13 | 2014-05-13 | Pile foundation for preventing soft soil foundation from disengaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198573.XA CN103953057A (en) | 2014-05-13 | 2014-05-13 | Pile foundation for preventing soft soil foundation from disengaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103953057A true CN103953057A (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410198573.XA Pending CN103953057A (en) | 2014-05-13 | 2014-05-13 | Pile foundation for preventing soft soil foundation from disengaging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487268A (en) * | 2018-06-04 | 2018-09-04 | 华东交通大学 | A kind of square hollow ladder reducing anti-slide pile structure and construction method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910613A (en) * | 1982-07-09 | 1984-01-20 | Masahide Ichikawa | Pile having increased frictional resistance by using shape-memory alloy |
| JPH07189250A (en) * | 1993-12-27 | 1995-07-28 | Fujita Corp | Cut slope reinforcing method |
| JP2003301469A (en) * | 2002-04-09 | 2003-10-24 | Nippon Steel Corp | Foundation structure having combination of long and short piles |
| JP2005273296A (en) * | 2004-03-25 | 2005-10-06 | Geotop Corp | Foundation structure |
| CN2913459Y (en) * | 2006-06-09 | 2007-06-20 | 贵阳铝镁设计研究院 | Pile configuration structure for industrial factory building |
| CN101487255A (en) * | 2008-01-17 | 2009-07-22 | 上海陆驱商贸有限公司 | High-strength prestressed concrete pipe pile with section and its production method |
| CN101922152A (en) * | 2009-06-11 | 2010-12-22 | 贵阳铝镁设计研究院 | Pile foundation structure of reinforcing pile |
| CN203160263U (en) * | 2013-04-03 | 2013-08-28 | 潘林有 | Rigid piles and soft piles adopted composite foundation for resisting side displacement and soil squeeze of saturated soft soils |
| CN103334427A (en) * | 2013-07-22 | 2013-10-02 | 吴广怀 | Irregularly-shaped prefabricated high-strength concrete thin-wall steel pipe pile (TSC) |
| CN203924090U (en) * | 2014-05-13 | 2014-11-05 | 浙江海洋学院 | The pile foundation of coming to nothing in soft foundation control basis |
-
2014
- 2014-05-13 CN CN201410198573.XA patent/CN103953057A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910613A (en) * | 1982-07-09 | 1984-01-20 | Masahide Ichikawa | Pile having increased frictional resistance by using shape-memory alloy |
| JPH07189250A (en) * | 1993-12-27 | 1995-07-28 | Fujita Corp | Cut slope reinforcing method |
| JP2003301469A (en) * | 2002-04-09 | 2003-10-24 | Nippon Steel Corp | Foundation structure having combination of long and short piles |
| JP2005273296A (en) * | 2004-03-25 | 2005-10-06 | Geotop Corp | Foundation structure |
| CN2913459Y (en) * | 2006-06-09 | 2007-06-20 | 贵阳铝镁设计研究院 | Pile configuration structure for industrial factory building |
| CN101487255A (en) * | 2008-01-17 | 2009-07-22 | 上海陆驱商贸有限公司 | High-strength prestressed concrete pipe pile with section and its production method |
| CN101922152A (en) * | 2009-06-11 | 2010-12-22 | 贵阳铝镁设计研究院 | Pile foundation structure of reinforcing pile |
| CN203160263U (en) * | 2013-04-03 | 2013-08-28 | 潘林有 | Rigid piles and soft piles adopted composite foundation for resisting side displacement and soil squeeze of saturated soft soils |
| CN103334427A (en) * | 2013-07-22 | 2013-10-02 | 吴广怀 | Irregularly-shaped prefabricated high-strength concrete thin-wall steel pipe pile (TSC) |
| CN203924090U (en) * | 2014-05-13 | 2014-11-05 | 浙江海洋学院 | The pile foundation of coming to nothing in soft foundation control basis |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487268A (en) * | 2018-06-04 | 2018-09-04 | 华东交通大学 | A kind of square hollow ladder reducing anti-slide pile structure and construction method |
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Application publication date: 20140730 |