CN1075346A - The processing method of deep foundation - Google Patents
The processing method of deep foundation Download PDFInfo
- Publication number
- CN1075346A CN1075346A CN 92114452 CN92114452A CN1075346A CN 1075346 A CN1075346 A CN 1075346A CN 92114452 CN92114452 CN 92114452 CN 92114452 A CN92114452 A CN 92114452A CN 1075346 A CN1075346 A CN 1075346A
- Authority
- CN
- China
- Prior art keywords
- strong
- processing method
- deep foundation
- rams
- processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of processing method of deep foundation, it comprises puts into the hole with ramming weight by force, rams by force behind strong rammer or the layering filler while feeding in raw material, and the strong kinetic energy that rams is between 0.3～3 meter.This method can be used for various material processed grounds, for example go up, sand, stone, broken brick and tile, industrial waste and their mixture etc., " assorted filling out " native saturated yielding, liquefaction, the weakness after handling through dynamic consolidation and the permission bearing capacity of all kinds of composite foundations with strong interlayer are up to 30-50Tf/m
2, higher 5-10 times than general ground.This job practices has solved the insoluble problem of other technologies, and this method is because deep level of processing, can be in the city or the construction of dilapidated house residential block.
Description
The invention belongs to method for processing foundation, particularly the deep foundation processing method.
All kinds of grounds of construction project are handled, all because of method, factors such as energy, the difference on effect of its treatment technology is very big, not that bearing capacity is low, lack of homogeneity is exactly a constructional difficulties, and waste is big, especially the processing of deep foundation, more be a problem, with regard to dynamic compaction, it can only carry out surperficial dynamic reinforcement to ground, ground depth as shallow after the processing, bearing capacity is low, can't carry out the deep layer consolidation process to ground, especially high to water content soil layer, just more can't use, in addition, strong to ram vibrations big, can not be in the urban district, the construction of dilapidated house residential block.Therefore, be necessary to provide a kind of deep foundation processing method.
The object of the invention provides a kind of method of handling deep foundation, and this method is easy, and the bearing capacity of foundation soil height that obtains is out of shape little.
For achieving the above object, the present invention by the following technical solutions, this method is to put into the hole with ramming weight by force, while feeding in raw material strong ram or the layering filler after ram by force.
The aperture that ground is handled is at 0.3～3 meter, 3～50 meters of hole depths or darker, and the machinery of driving weight has hoist engine, shock machine etc., and the strong kinetic energy that rams is at 0.3Tfm-400Tfm, generally speaking, the aperture is big, and the hammer corresponding size strengthens, its weight also increases, and falls apart from big, and kinetic energy is big.
This method advantage is: dynamic compaction in the deep layer hole, be suitable for the processing of deep foundation, and can be used for various material processed grounds, for example soil, sand, stone, broken brick and tile, industrial waste and their mixture etc.Through dynamic consolidation, " assorted filling out " soil, saturated yielding, liquefaction, the weakness after the processing and the permission bearing capacity of all kinds of composite foundations with strong interlayer are up to 30-50Tf/M
2, higher 5～10 times than general ground, this construction method has solved the insoluble problem of other technologies, and this method is because deep level of processing, can be in the city or the construction of dilapidated house residential block.
The invention will be further described below in conjunction with embodiment:
Embodiment 1:
The ancient well that diameter is 3 meters, 10 meters of the degree of depth adopt the 2Ff hammer, fall apart from 4 meters, and final Bearing Capacity of Composite Foundation reaches 25Tf/M
2
Embodiment 2:
3 meters of diameters, adopt the 2Tf hammer, 1 meter drop, materials 56M by dark 12 meters
3, strong its Bearing Capacity of Composite Foundation 30Tf/M that rams in the hole
2
Claims (3)
1, a kind of processing method of deep foundation is characterized in that it comprises: will ram weight by force and put into the hole, and ram by force behind strong rammer or the layering filler while feeding in raw material.
2, by the processing method of the described deep foundation of claim 1, the kinetic energy that it is characterized in that described strong rammer is at 0.3Tfm-400Tfm.
3, by the processing method of claim 1 or 2 described deep foundations, the diameter that it is characterized in that described hole is 0.3～3 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92114452 CN1025797C (en) | 1992-12-18 | 1992-12-18 | Method for treatment of deep foundation base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92114452 CN1025797C (en) | 1992-12-18 | 1992-12-18 | Method for treatment of deep foundation base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1075346A true CN1075346A (en) | 1993-08-18 |
| CN1025797C CN1025797C (en) | 1994-08-31 |
Family
ID=4946935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92114452 Expired - Lifetime CN1025797C (en) | 1992-12-18 | 1992-12-18 | Method for treatment of deep foundation base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1025797C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100373013C (en) * | 2006-02-09 | 2008-03-05 | 西安理工大学 | Treatment method for thick collapsed loess foundation |
| CN102080373A (en) * | 2010-12-09 | 2011-06-01 | 西安建筑科技大学 | Construction method for jointly treating collapsibility of loess foundation by using DDC (Downhole Dynamic Compaction) pile and pile foundation |
| CN104652405A (en) * | 2015-01-16 | 2015-05-27 | 西北大学 | Foundation for rural adobe house in loess area and treatment method for foundation |
-
1992
- 1992-12-18 CN CN 92114452 patent/CN1025797C/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100373013C (en) * | 2006-02-09 | 2008-03-05 | 西安理工大学 | Treatment method for thick collapsed loess foundation |
| CN102080373A (en) * | 2010-12-09 | 2011-06-01 | 西安建筑科技大学 | Construction method for jointly treating collapsibility of loess foundation by using DDC (Downhole Dynamic Compaction) pile and pile foundation |
| CN104652405A (en) * | 2015-01-16 | 2015-05-27 | 西北大学 | Foundation for rural adobe house in loess area and treatment method for foundation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1025797C (en) | 1994-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121218 Granted publication date: 19940831 |