CN106400852B - A kind of single pile vertical resistance pressure bearingtest method - Google Patents
A kind of single pile vertical resistance pressure bearingtest method Download PDFInfo
- Publication number
- CN106400852B CN106400852B CN201610949649.7A CN201610949649A CN106400852B CN 106400852 B CN106400852 B CN 106400852B CN 201610949649 A CN201610949649 A CN 201610949649A CN 106400852 B CN106400852 B CN 106400852B
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- Prior art keywords
- pull rod
- test
- resistance pressure
- vertical resistance
- card slot
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The present invention provides a kind of single pile vertical resistance pressure bearingtest methods, comprise the following steps：Test pile is embedded in ground and is set perpendicular to horizontal plane by S1；S2 is in test pile both sides pedestal for placed bearing beam；S3 places jack and girder on test pile, which is located at the surface of jack；S4 places ballast on pedestal bearing beam；S5, which expires secondary beam, to be layered on girder, installs pull rod, secondary beam and pedestal bearing beam are linked into an integrated entity by pull rod；S6 installs ballast on secondary beam, completes setting up for test platform；S7 oil pumps are to jack fuel feeding, and point 10 grades of sustained loadings, every grade reaches progress next stage load after stability criterion, while the Timing measurement test pile settling amount in sustained loading；S8, which reaches after maximum finder charge or reaches after termination continues loading environment, to be unloaded, the settling amount of test pile when Timing measurement unloads；S9 completes entire experiment after being offloaded to zero.This method is simple and effective, safe.
Description
Technical field
The present invention relates to Pile Testing Technologies fields, and in particular to a kind of single pile vertical resistance pressure bearingtest method.
Background technology
In correlation technique, the engineering pile detection of architectural engineering, which is checked and accepted, generally has two sides of pile body integrity and loading test
Single pile vertical resistance pressure bearingtest is important content in face, wherein loading test.Existing single pile vertical resistance pressure bearing capacity
Test method mainly based on accumulation load method, is set up using falling apart, and test capability largely relies on the ton of test platform
Position size, and as the increase of experiment tonnage, security and load performance reduce.
The content of the invention
To solve the above problems, a kind of the present invention is intended to provide single pile vertical resistance pressure bearingtest method.
The purpose of the present invention is realized using following technical scheme：
A kind of single pile vertical resistance pressure bearingtest method, comprises the following steps：
Test pile is embedded in ground and is set perpendicular to horizontal plane by S1；
S2 is in test pile both sides pedestal for placed bearing beam；
S3 places jack and girder on test pile, which is located at the surface of jack；
S4 places ballast on pedestal bearing beam；
S5, which expires secondary beam, to be layered on girder, installs pull rod, secondary beam and pedestal bearing beam are linked into an integrated entity by pull rod；
S6 installs ballast on secondary beam, completes setting up for test platform；
S7 oil pumps are to jack fuel feeding, point 10 grades of sustained loadings, every grade reach stability criterion after carry out next stage load,
The Timing measurement test pile settling amount in sustained loading simultaneously；
S8, which reaches after maximum finder charge or reaches after termination continues loading environment, to be unloaded, test pile when Timing measurement unloads
Settling amount；
S9 completes entire experiment after being offloaded to zero.
Preferably, the secondary beam is equipped with to install the first card slot of pull rod, and the pedestal bearing beam is equipped with to be drawn for installing
Second card slot card slot of bar, one end of the pull rod are equipped with to be clamped the cross clamp of the first card slot, the other end of pull rod
Equipped with the yi word pattern clamp for the second card slot of clamping.The installation pull rod, comprises the following steps：
One end that pull rod has yi word pattern clamp is sequentially passed through the first card slot, the second card slot by S1；
Pull rod is rotated by 90 ° after pull rod has one end of cross clamp in place, makes the yi word pattern clamp of the other end by S2
It is connected in pedestal bearing beam.
Preferably, the ballast is concrete test block ballast.
Preferably, the pedestal bearing beam is fabricated ship raft formula box beam.
Preferably, the secondary beam is fabricated ship raft formula box beam.
Beneficial effects of the present invention are：Method is simple and effective, can enable the ballast weight between pedestal bearing beam and secondary beam
It uses in experiment, reduces the tonnage of top preloading and preloading height, while reduce whole center of gravity, improve experiment
Security.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not form any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the flow diagram of the present invention.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, a kind of single pile vertical resistance pressure bearingtest method of the present embodiment comprises the following steps：
Test pile is embedded in ground and is set perpendicular to horizontal plane by S1；
S2 is in test pile both sides pedestal for placed bearing beam；
S3 places jack and girder on test pile, which is located at the surface of jack；
S4 places ballast on pedestal bearing beam；
S5, which expires secondary beam, to be layered on girder, installs pull rod, secondary beam and pedestal bearing beam are linked into an integrated entity by pull rod；
S6 installs ballast on secondary beam, completes setting up for test platform；
S7 oil pumps are to jack fuel feeding, point 10 grades of sustained loadings, every grade reach stability criterion after carry out next stage load,
The Timing measurement test pile settling amount in sustained loading simultaneously；
S8, which reaches after maximum finder charge or reaches after termination continues loading environment, to be unloaded, test pile when Timing measurement unloads
Settling amount；
S9 completes entire experiment after being offloaded to zero.
Wherein, the secondary beam is equipped with to install the first card slot of pull rod, and the pedestal bearing beam is equipped with to install pull rod
The second card slot card slot, one end of the pull rod is equipped with for being clamped the cross clamp of the first card slot, and the other end of pull rod is set
It is useful for the yi word pattern clamp of the second card slot of clamping.The installation pull rod, comprises the following steps：
One end that pull rod has yi word pattern clamp is sequentially passed through the first card slot, the second card slot by S1；
Pull rod is rotated by 90 ° after pull rod has one end of cross clamp in place, makes the yi word pattern clamp of the other end by S2
It is connected in pedestal bearing beam.
Wherein, the ballast is concrete test block ballast.
Wherein, the pedestal bearing beam is fabricated ship raft formula box beam.
Wherein, the secondary beam is fabricated ship raft formula box beam.
The method of the present embodiment is simple and effective, and the ballast weight between pedestal bearing beam and secondary beam can be enable to use experiment
In, reduce the tonnage of top preloading and preloading height, while whole center of gravity is reduced, improve the security of experiment.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope is protected, although being explained in detail with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (6)
1. a kind of single pile vertical resistance pressure bearingtest method, it is characterized in that, comprise the following steps：
Test pile is embedded in ground and is set perpendicular to horizontal plane by S1；
S2 is in test pile both sides pedestal for placed bearing beam；
S3 places jack and girder on test pile, which is located at the surface of jack；
S4 places ballast on pedestal bearing beam；
S5, which expires secondary beam, to be layered on girder, installs pull rod, secondary beam and pedestal bearing beam are linked into an integrated entity by pull rod；
S6 installs ballast on secondary beam, completes setting up for test platform；
S7 oil pumps are to jack fuel feeding, and point 10 grades of sustained loadings, every grade reaches progress next stage load after stability criterion, simultaneously
The Timing measurement test pile settling amount in sustained loading；
S8, which reaches after maximum finder charge or reaches after termination continues loading environment, to be unloaded, and test pile is heavy when Timing measurement unloads
Drop amount；
S9 completes entire experiment after being offloaded to zero.
2. a kind of single pile vertical resistance pressure bearingtest method according to claim 1, it is characterized in that：The secondary beam is equipped with
For installing the first card slot of pull rod, the pedestal bearing beam is equipped with to install the second card slot of pull rod, one end of the pull rod
Equipped with for being clamped the cross clamp of the first card slot, the other end of pull rod is equipped with to be clamped the yi word pattern card of the second card slot
Head.
3. a kind of single pile vertical resistance pressure bearingtest method according to claim 2, it is characterized in that：The installation is drawn
Bar comprises the following steps：
One end that pull rod has yi word pattern clamp is sequentially passed through the first card slot, the second card slot by S1；
Pull rod is rotated by 90 ° after pull rod has one end of cross clamp in place, is clamped the yi word pattern clamp of the other end by S2
In pedestal bearing beam.
4. a kind of single pile vertical resistance pressure bearingtest method according to claim 1, it is characterized in that, the ballast is mixed
Solidifying soil test block ballast.
5. a kind of single pile vertical resistance pressure bearingtest method according to claim 1, it is characterized in that, the pedestal bearing beam
For fabricated ship raft formula box beam.
6. a kind of single pile vertical resistance pressure bearingtest method according to claim 1, it is characterized in that, the secondary beam is group
Close ship raft formula box beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949649.7A CN106400852B (en) | 2016-10-25 | 2016-10-25 | A kind of single pile vertical resistance pressure bearingtest method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949649.7A CN106400852B (en) | 2016-10-25 | 2016-10-25 | A kind of single pile vertical resistance pressure bearingtest method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106400852A CN106400852A (en) | 2017-02-15 |
| CN106400852B true CN106400852B (en) | 2018-05-25 |
Family
ID=58014152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610949649.7A Active CN106400852B (en) | 2016-10-25 | 2016-10-25 | A kind of single pile vertical resistance pressure bearingtest method |
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| CN (1) | CN106400852B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204734U (en) * | 2010-11-25 | 2012-04-25 | 佛山市南海区石华强石油化工设备厂 | Improved engineering pile static load surcharge-load-type testing device |
| CN103031860A (en) * | 2012-12-14 | 2013-04-10 | 广东省建筑科学研究院 | Pipe pile vertical static load testing connection device, and testing system and method using same |
| CN204898744U (en) * | 2015-07-24 | 2015-12-23 | 上海港湾工程质量检测有限公司 | Pile foundation resistance to plucking resistance to compression testing system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012255305A (en) * | 2011-06-09 | 2012-12-27 | Takenaka Komuten Co Ltd | Foundation load testing method |
-
2016
- 2016-10-25 CN CN201610949649.7A patent/CN106400852B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204734U (en) * | 2010-11-25 | 2012-04-25 | 佛山市南海区石华强石油化工设备厂 | Improved engineering pile static load surcharge-load-type testing device |
| CN103031860A (en) * | 2012-12-14 | 2013-04-10 | 广东省建筑科学研究院 | Pipe pile vertical static load testing connection device, and testing system and method using same |
| CN204898744U (en) * | 2015-07-24 | 2015-12-23 | 上海港湾工程质量检测有限公司 | Pile foundation resistance to plucking resistance to compression testing system |
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| Publication number | Publication date |
|---|---|
| CN106400852A (en) | 2017-02-15 |
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