CN207828995U - Open caisson construction structure - Google Patents
Open caisson construction structure Download PDFInfo
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- CN207828995U CN207828995U CN201721895366.5U CN201721895366U CN207828995U CN 207828995 U CN207828995 U CN 207828995U CN 201721895366 U CN201721895366 U CN 201721895366U CN 207828995 U CN207828995 U CN 207828995U
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- open caisson
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- column
- tube coupling
- steel pipe
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Abstract
The utility model provides a kind of open caisson construction structure, the utility model provides a kind of controllable open caisson construction structure of steel pipe column bored concrete pile guide type, it is connected with tube coupling column by each two-way very heavy top, the steel corbel is set up on the tube coupling column, as the important ways during well sinking, when needing well sinking, soil in foundation pit in space that the steel pipe column is surrounded can constantly be excavated, the steel corbel A for being set up in the lowest part on the tube coupling column is removed simultaneously, then the steel corbel B that open caisson can rely on the gravity of itself sink down into the tops steel corbel A is set up in position on the tube coupling column.In addition, during open caisson declines, in case of inclination, it can be adjusted by the tube coupling pillar height degree of jack pair, to ensure to remain plumbness during open caisson declines, to effectively control verticality and stability during open caisson declines, facilitates construction and reduce construction risk, it is cost-effective.
Description
Technical field
The utility model is related to a kind of open caisson construction structures.
Background technology
Open caisson is a kind of construction technology for building deep foundation and underground structure.It is first made in ground or foundation pit when construction
The armored concrete well bore of opening transports, with shoveling and native face after it reaches prescribed strength in the shoveling of well bore interior laminate layer
Reduction, open caisson well bore by its dead weight or other measures assistance under overcoming with soil wall between frictional resistance and cutting shoe counter-force, constantly
Sink, until designed elevation is in place, then carries out back cover.
The advantages of open caisson construction technique is：The underground work that can be constructed relatively deeply (up to more than 50 rice) in narrow space
Journey, and it is smaller to surrounding environment influence；It can construct in geology, hydrologic condition complex area；Construction is not required to complicated plant；
Compared with heavy excavation, the earth volume of digging, fortune and backfill can be reduced.It exists the disadvantage is that working procedure is more, technology requirement is high, matter
Amount control is difficult, and the wherein correction during well sinking is the key that one of open caisson construction, if too late during well sinking
When correction can cause correct after open caisson is in place.
Utility model content
The purpose of this utility model is to provide a kind of open caisson construction structures, can solve verticality in well sinking engineering
Control accuracy is low, tilt, the special Soft Soil Layer of chance is also easy to produce prominent heavy, operating platform and sets up complicated problem.
To solve the above problems, the utility model provides a kind of open caisson construction structure, including：
In the symmetrically arranged more bored concrete piles of bottom of foundation ditch to be excavated；
The top of every bored concrete pile is connected with steel pipe column, and the bottom end of every steel pipe column connects with the top of corresponding bored concrete pile
It connects, the steel pipe column extends to ground by the foundation pit to be excavated；
The steel structure platform of all steel pipe columns is connected, the steel structure platform is vertical with the steel pipe column；
It is set to the jack on the top of each steel pipe column；
It is connected with tube coupling column at the top of each jack；
Open caisson, the open caisson are sheathed on outside the space that the steel pipe column is surrounded, and the inner wall of the open caisson corresponds in an axial direction
The location interval of tube coupling column is provided with steel corbel, and the inner wall of the open caisson is adjacent with the steel pipe column, and the steel corbel is set up in
On the tube coupling column.
Further, in said structure, the steel structure platform includes platform collar tie beam and lateral girder steel, wherein described
Platform collar tie beam links together all steel pipe columns, and the transverse direction girder steel is connected to inside the platform collar tie beam.
Further, in said structure, it is connected with steel between the bottom surface of the steel structure platform and the steel pipe column
Diagonal brace.
Further, in said structure, the steel structure platform is engraved structure, is provided on the steel structure platform
Crane is provided with grab bucket shoveling equipment in the foundation pit under the steel structure platform.
Further, in said structure, the jack is two-way jack.
Further, in said structure, the steel corbel is the L-type structure connected by the first face and the second face, institute
It states the first face to connect with the inner wall of the open caisson, second face frame is set on the tube coupling column.
Further, in said structure, further include：Horizontal constraining member, one end of the horizontal constraining member and institute
The first face vertical connection is stated, the horizontal constraining member is vertical with the tube coupling column, and the other end of the horizontal constraining member supports
On the side wall of the tube coupling column.
Further, in said structure, further include：
The displacement being set on each jack and force sensor；
The controller being connect with the jack, displacement and force sensor.
Compared with prior art, the utility model is low for degree control precision in well sinking engineering, tilts, meets spy
Soft Soil Layer is also easy to produce the problems such as prominent heavy, operating platform sets up complexity, provides one column of one kind (steel pipe column) one (bored concrete pile) and leads
To the controllable open caisson construction structure of formula, perfusion column is inserted into using steel column forms " one pile for one column " and be arranged on the inside of open caisson as vertically holding
One pile for one column is linked to be entirety with steel structure platform, is conducive to well sinking stability by mount components.By each two-way very heavy
Top is connected with tube coupling column, and the steel corbel is set up on the tube coupling column, as the important guiding structure during well sinking
Soil in foundation pit in space that the steel pipe column is surrounded can constantly be excavated, be torn open simultaneously when needing well sinking by part
Except the steel corbel A for the lowest part being set up on the tube coupling column, then open caisson can sink down into steel corbel A by the gravity of itself
The steel corbel B on top is set up in the position on the tube coupling column, can be subsequently set up on the tube coupling column by constantly removing
Lowest part steel corbel, realize open caisson constantly rely on itself gravity decline.In addition, during open caisson declines, such as
Fruit run-off the straight can be adjusted by the tube coupling pillar height degree of jack pair, to ensure during open caisson declines always
Plumbness is kept, to effectively control verticality and stability during open caisson declines, facilitates construction and reduces construction wind
Danger, it is cost-effective.
Description of the drawings
Fig. 1 is the schematic diagram of the open caisson construction structure of one embodiment of the utility model；
Fig. 2 is the plan view of the open caisson construction structure of one embodiment of the utility model；
Fig. 3 is the connection diagram of the steel corbel of one embodiment of the utility model；
Fig. 4 is the connection diagram of the bored concrete pile and steel pipe column of one embodiment of the utility model；
Fig. 5 is the first operating mode schematic diagram of the open caisson construction method of one embodiment of the utility model；
Fig. 6 is the second operating mode schematic diagram of the open caisson construction method of one embodiment of the utility model；
Fig. 7 is the third operating mode schematic diagram of the open caisson construction method of one embodiment of the utility model.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
As shown in figures 1-4, the utility model provides a kind of open caisson construction structure, including：
In the symmetrically arranged more bored concrete piles 1 of bottom of foundation ditch to be excavated；
The top of every bored concrete pile 1 is connected with steel pipe column 2, the top of the bottom end of every steel pipe column 2 and corresponding bored concrete pile 1
Connection, the steel pipe column 2 extend to ground 3 by the foundation pit to be excavated；
The steel structure platform 4 of all steel pipe columns 2 is connected, the steel structure platform 4 is vertical with the steel pipe column 2；
It is set to the jack 5 on the top of each steel pipe column 2；
Here, the top of each steel pipe column 2 can be connect by anchor bolt with gasket with corresponding jack 5；
The top of each jack 5 is connected with tube coupling column 6；
Here, as shown in figure 3, the tube coupling column 6 can be connected with corresponding jack 5 by flange 13；
Open caisson 7, the open caisson 7 are sheathed on outside the space that the steel pipe column 2 is surrounded, and the inner wall of the open caisson 7 is in an axial direction
The location interval of respective tube segmented column 6 is provided with steel corbel 8, and the inner wall of the open caisson 7 is adjacent with the steel pipe column 2, the steel ox
Leg 8 is set up on the tube coupling column 6.
Specifically, as shown in figure 3, multiple screw rod holes can be bored at each designed elevation of inner wall of open caisson, pass through bolt
12 and screw rod hole cooperation, convenient for fixed steel corbel 8；
It is easily produced here, the utility model is low for degree control precision in well sinking engineering, tilt, meets special Soft Soil Layer
The problems such as raw prominent heavy, operating platform sets up complexity provides one kind one column (steel pipe column) (bored concrete pile) guide type and controllably sinks
Well construction structure is inserted into perfusion column formation " one pile for one column " using steel column and is arranged on the inside of open caisson as vertical bearing carrier, uses
One pile for one column is linked to be entirety by steel structure platform, is conducive to well sinking stability.Pass through each two-way very heavy top connection
There are tube coupling column, the steel corbel to be set up on the tube coupling column, as the important ways during well sinking, works as needs
When well sinking, the soil in the foundation pit in space that the steel pipe column is surrounded can constantly be excavated, while dismounting is set up in
The steel corbel A of lowest part on the tube coupling column, then open caisson the gravity of itself can be relied on to sink down into the steel on the tops steel corbel A
Bracket B is set up in the position on the tube coupling column, subsequently can be by constantly removing the lowest part being set up on the tube coupling column
Steel corbel, realize open caisson constantly rely on itself gravity decline.In addition, during open caisson declines, if it happens incline
Tiltedly, it can be adjusted by the tube coupling pillar height degree of jack pair, to ensure to remain vertical during open caisson declines
State, to effectively control open caisson decline during verticality and stability, facilitate construction and reduce construction risk, save at
This.
As shown in Fig. 2, the open caisson construction structure of one embodiment of the utility model, the steel structure platform includes platform collar tie beam
With lateral girder steel, wherein the platform collar tie beam links together all steel pipe columns, and the transverse direction girder steel is connected to the platform
Inside collar tie beam.
Here, steel structure platform is made of platform collar tie beam and lateral girder steel, its intensity is ensured using full weld.
As shown in Figure 1, the open caisson construction structure of one embodiment of the utility model, the bottom surface of the steel structure platform and institute
It states and is connected with steel diagonal brace 11 between steel pipe column, to be further ensured that bonding strength.
As shown in Figure 1, the open caisson construction structure of one embodiment of the utility model, the steel structure platform is engraved structure,
It is provided with crane 9 on the steel structure platform 4, grab bucket shoveling equipment is provided in the foundation pit under the steel structure platform.
Here, steel structure platform 4 can be used as the basis of large scale equipment, it can be used for filling crane 9, grab bucket shoveling equipment, hang
Construction material etc. is convenient for site operation, effectively improves working efficiency and construction quality, to reach cost-effective, reduce and construct
Risk and the purpose for controlling quality.For example, crane can be set up on steel structure platform, then pass through engraving on steel structure platform
Grab bucket shoveling equipment is hung onto and is cut the earth in foundation pit under steel structure platform by absolutely empty gap, is then hung soil out of foundation pit by crane
It is transported to ground.
The open caisson construction structure of one embodiment of the utility model, the jack are two-way jack, are flexibly adjusted with realizing
Save the height of tube coupling column.
As shown in figs. 1 and 3, the open caisson construction structure of one embodiment of the utility model, the steel corbel 8 be by the first face and
The L-type structure that second face connects into, first face are connect with the inner wall of the open caisson 7, and second face frame is set to the pipe
On segmented column 6.
As shown in figs. 1 and 3, the open caisson construction structure of one embodiment of the utility model further includes：Horizontal constraining member 10,
One end of the horizontal constraining member 10 and first face vertical connection, the horizontal constraining member 10 and the tube coupling column 6
Vertically, the other end of the horizontal constraining member is against on the side wall of the tube coupling column.
The open caisson construction structure of one embodiment of the utility model further includes：
The displacement being set on each jack 5 and force sensor；
The controller being connect with the jack, displacement and force sensor.
Here, displacement and force sensor, the displacement of collection tube segmented column 6 and stress can be set on two-way jack 5,
Configuration Control Unit achievees the purpose that intelligent accurate controls well sinking in the form of controlling multiple jack and stretch, and controller is logical
The displacement that displacement sensor obtains each tube coupling column is crossed, if displacement is inconsistent, according on the two-way jack of force sensor acquisition
Stress, control jack pair tube coupling pillar height degree is adjusted, the control of the intelligent accurate of realization.
Specifically, above-mentioned open caisson construction method, including.
As shown in figure 5, step S1, is symmetrical arranged more bored concrete piles 1, in every bored concrete pile 1 in bottom of foundation ditch to be excavated
Top joint steel pipe column 2, wherein the top of the bottom end of every steel pipe column 2 and corresponding bored concrete pile 1 connects, the steel pipe column 2
Ground 3 is extended to by the foundation pit to be excavated；
As shown in fig. 6, step S2, excavation pit to specified absolute altitude, installation connect the steel structure platform 4 of all steel pipe columns 2,
The steel structure platform 4 is vertical with the steel pipe column；
As shown in fig. 7, step S3, is arranged jack 5 on the top of each steel pipe column；
Here, the top of each steel pipe column can be connect by anchor bolt with gasket with corresponding jack；
As shown in fig. 7, step S4, in the top connecting tube segmented column 6 of each jack 5；
Here, the tube coupling column 6 can be connected with corresponding jack 5 by flange 13；
As shown in fig. 7, step S5, steel corbel 8 is set in the location interval of the inner wall respective tube segmented column 6 in an axial direction of open caisson 7；
As shown in fig. 7, step S6, the open caisson 7 is sheathed on outside the space that the steel pipe column 2 is surrounded, the open caisson 2
Inner wall it is adjacent with the steel pipe column 2, the steel corbel 8 is set up on the tube coupling column 6.
It is easily produced here, the utility model is low for degree control precision in well sinking engineering, tilt, meets special Soft Soil Layer
The problems such as raw prominent heavy, operating platform sets up complexity provides one kind one column (steel pipe column) (bored concrete pile) guide type and controllably sinks
Well construction structure is inserted into perfusion column formation " one pile for one column " using steel column and is arranged on the inside of open caisson as vertical bearing carrier, uses
One pile for one column is linked to be entirety by steel structure platform, is conducive to well sinking stability.Pass through each two-way very heavy top connection
There are tube coupling column, the steel corbel to be set up on the tube coupling column, as the important ways during well sinking, works as needs
When well sinking, the soil in the foundation pit in space that the steel pipe column is surrounded can constantly be excavated, while dismounting is set up in
The steel corbel A of lowest part on the tube coupling column, then open caisson the gravity of itself can be relied on to sink down into the steel on the tops steel corbel A
Bracket B is set up in the position on the tube coupling column, subsequently can be by constantly removing the lowest part being set up on the tube coupling column
Steel corbel, realize open caisson constantly rely on itself gravity decline.In addition, during open caisson declines, if it happens incline
Tiltedly, it can be adjusted by the tube coupling pillar height degree of jack pair, to ensure to remain vertical during open caisson declines
State, to effectively control open caisson decline during verticality and stability, facilitate construction and reduce construction risk, save at
This.
In the open caisson construction method of one embodiment of the utility model, step S1 is symmetrical arranged in bottom of foundation ditch to be excavated
More bored concrete piles, in the top joint steel pipe column of every bored concrete pile, including：
As shown in figure 5, being put into the steel reinforcement cage of bored concrete pile after bottom of foundation ditch accomplishes fluently stake holes；
Concrete perfusion is to the first designed elevation in the steel reinforcement cage of bored concrete pile；
Concrete in steel reinforcement cage is inserted into the second design mark using HDC high-precision hydraulic verticality-regulating systems control steel pipe column
It is high.
In the open caisson construction method of one embodiment of the utility model, step S2, installation connects the steel construction of all steel pipe columns
Platform, including：
All steel pipe columns are linked together by platform collar tie beam；
Lateral girder steel is connected inside the platform collar tie beam.
Here, steel structure platform is made of platform collar tie beam and lateral girder steel, its intensity is ensured using full weld.
In the open caisson construction method of one embodiment of the utility model, the open caisson construction method of one embodiment of the utility model
In, step S2, after installation connects the steel structure platform of all steel pipe columns, including：
As shown in fig. 6, connect steel diagonal brace 11 between the bottom surface and the steel pipe column of the steel structure platform, with into one
Step ensures bonding strength.
In the open caisson construction method of one embodiment of the utility model, step S2, installation connects the steel construction of all steel pipe columns
Platform, including：
Installation connects the steel structure platform of the engraved structure of all steel pipe columns；
Crane is set on the steel structure platform；
It will be grabbed bucket in the foundation pit that shoveling equipment passes through under the engraved structure to the steel structure platform by crane.
Here, steel structure platform can be used as the basis of large scale equipment, it can be used for filling crane, grab bucket shoveling equipment, hang and apply
Work material etc. is convenient for site operation, effectively improves working efficiency and construction quality, to reach cost-effective, reduce construction wind
The purpose of danger and control quality.For example, crane can be set up on steel structure platform, then pass through the hollow out on steel structure platform
The gap shoveling equipment that will grab bucket hangs onto and cuts the earth in foundation pit under steel structure platform, then soil is hung out of foundation pit by crane to
It transports on ground.
In the open caisson construction method of one embodiment of the utility model, the jack is two-way jack.
As shown in fig. 7, in the open caisson construction method of one embodiment of the utility model, step S5, in the inner wall of the open caisson
Steel corbel is arranged in the location interval of respective tube segmented column in an axial direction, including：
By the steel corbel 8 for the L-type structure that the first face and the second face connect into；
First face is connect with the inner wall of the open caisson 7；
The steel corbel is set up on the tube coupling column by step S6, including：
Second face frame is set on the tube coupling column 6.
As shown in fig. 7, in the open caisson construction method of one embodiment of the utility model, second face frame is set to the pipe
Before on segmented column, further include：
By one end of horizontal constraining member 10 and first face vertical connection；
After second face frame is set on the tube coupling column 6, further include：
The other end of the horizontal constraining member 10 is vertically against on the side wall of the tube coupling column 6.
In the open caisson construction method of one embodiment of the utility model, the steel corbel is set up on the tube coupling column it
Afterwards, further include：
Displacement and force sensor are set on each jack；
The jack, displacement and force sensor are connect with controller；
Controller obtains the displacement of each tube coupling column by displacement sensor, if displacement is inconsistent, controller is passed according to stress
Stress on the two-way jack of sensor acquisition, control jack pair tube coupling pillar height degree are adjusted.
Here, displacement and force sensor, the displacement of collection tube segmented column and stress can be arranged on two-way jack, match
Controller is set, achievees the purpose that intelligent accurate controls well sinking in the form of controlling multiple jack and stretch, controller passes through
Displacement sensor obtains the displacement of each tube coupling column, if displacement is inconsistent, according on the two-way jack of force sensor acquisition
Stress, control jack pair tube coupling pillar height degree are adjusted, the intelligent accurate control of realization.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Obviously, it is new without departing from this practicality can to carry out utility model various modification and variations by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (8)
1. a kind of open caisson construction structure, which is characterized in that including：
In the symmetrically arranged more bored concrete piles of bottom of foundation ditch to be excavated；
The top of every bored concrete pile is connected with steel pipe column, and the bottom end of every steel pipe column is connected with the top of corresponding bored concrete pile, institute
It states steel pipe column and ground is extended to by the foundation pit to be excavated；
The steel structure platform of all steel pipe columns is connected, the steel structure platform is vertical with the steel pipe column；
It is set to the jack on the top of each steel pipe column；
It is connected with tube coupling column at the top of each jack；
Open caisson, the open caisson are sheathed on outside the space that the steel pipe column is surrounded, and the inner wall of the open caisson corresponds to tube coupling in an axial direction
The location interval of column is provided with steel corbel, and the inner wall of the open caisson is adjacent with the steel pipe column, and the steel corbel is set up in described
On tube coupling column.
2. open caisson construction structure as described in claim 1, which is characterized in that the steel structure platform includes platform collar tie beam and cross
To girder steel, wherein the platform collar tie beam links together all steel pipe columns, and the transverse direction girder steel is connected to the platform collar tie beam
It is internal.
3. open caisson construction structure as described in claim 1, which is characterized in that the bottom surface of the steel structure platform and the steel
Steel diagonal brace is connected between tubing string.
4. open caisson construction structure as described in claim 1, which is characterized in that the steel structure platform is engraved structure, described
It is provided with crane on steel structure platform, grab bucket shoveling equipment is provided in the foundation pit under the steel structure platform.
5. open caisson construction structure as described in claim 1, which is characterized in that the jack is two-way jack.
6. open caisson construction structure as described in claim 1, which is characterized in that the steel corbel is to be connected by the first face and the second face
The L-type structure being connected into, first face are connect with the inner wall of the open caisson, and second face frame is set on the tube coupling column.
7. open caisson construction structure as claimed in claim 6, which is characterized in that further include：Horizontal constraining member, the level is about
One end of beam component and first face vertical connection, the horizontal constraining member is vertical with the tube coupling column, and the level is about
The other end of beam component is against on the side wall of the tube coupling column.
8. open caisson construction structure as described in claim 1, which is characterized in that further include：
The displacement being set on each jack and force sensor；
The controller being connect with the jack, displacement and force sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895366.5U CN207828995U (en) | 2017-12-29 | 2017-12-29 | Open caisson construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895366.5U CN207828995U (en) | 2017-12-29 | 2017-12-29 | Open caisson construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207828995U true CN207828995U (en) | 2018-09-07 |
Family
ID=63390760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721895366.5U Withdrawn - After Issue CN207828995U (en) | 2017-12-29 | 2017-12-29 | Open caisson construction structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN207828995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086340A (en) * | 2017-12-29 | 2018-05-29 | 上海建工二建集团有限公司 | Open caisson construction structure and its construction method |
| CN109914454A (en) * | 2019-03-23 | 2019-06-21 | 南京市市政设计研究院有限责任公司 | A kind of method of tubular pole and the construction of open caisson zoarium |
-
2017
- 2017-12-29 CN CN201721895366.5U patent/CN207828995U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086340A (en) * | 2017-12-29 | 2018-05-29 | 上海建工二建集团有限公司 | Open caisson construction structure and its construction method |
| CN109914454A (en) * | 2019-03-23 | 2019-06-21 | 南京市市政设计研究院有限责任公司 | A kind of method of tubular pole and the construction of open caisson zoarium |
| CN109914454B (en) * | 2019-03-23 | 2020-09-22 | 南京市市政设计研究院有限责任公司 | Method for constructing tubular pile and open caisson in combined manner |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180907 Effective date of abandoning: 20200214 |
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| AV01 | Patent right actively abandoned |