CN103556647A - #-shaped reinforced open caisson for soft soil geological rotational flow tank and construction method - Google Patents
#-shaped reinforced open caisson for soft soil geological rotational flow tank and construction method Download PDFInfo
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- CN103556647A CN103556647A CN201310572028.8A CN201310572028A CN103556647A CN 103556647 A CN103556647 A CN 103556647A CN 201310572028 A CN201310572028 A CN 201310572028A CN 103556647 A CN103556647 A CN 103556647A
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Abstract
The invention relates to a #-shaped reinforced open caisson for a soft soil geological rotational flow tank and a construction method. The open caisson comprises an open caisson body, wherein the open caisson body comprises a sidewall; grids connected with the sidewall are arranged at the lower part of the inner wall of the sidewall; fillers are arranged at the lower parts and blank spaces of the grids; a baseplate is arranged on the top surfaces of the grids. According to the invention, the open caisson body is manufactured on the earth surface, and then gradually sinks under the action of dead weight, plain concrete is poured into the lower parts and blank spaces of the grids for sealing the bottoms, finally, a reinforced concrete baseplate is poured on the top surfaces of the grids; the grids bear the pressure of water and soil outside the open caisson during the open caisson construction process so as to guarantee the settling velocity of the open caisson body is uniform and stable, and prevent inclination during the open caisson construction process, and after the sedimentation is completed, the grids, the open caisson body baseplate and the bottom sealing plain concrete are stressed jointly so as to guarantee the strength and safety of the open caisson baseplate. According to the open caisson and the construction method, the structure is simple, the stress is reasonable and specified, the construction is convenient, the rigidity of the open caisson and the stability in sinking are improved, and the open caisson construction safety in soft soil area is guaranteed.
Description
Technical field
The present invention relates to a kind of underground structure, be specifically related to a kind of Soft Clay Whirlwind tank groined type and strengthen open caisson and job practices.
Background technology
Metallurgical industry field need to configure a large amount of Whirlwind tanks, and Whirlwind tank diameter is large, the depth of burying is darker, and difficulty of design and construction is large.When geological condition is better, Whirlwind tank generally adopts the constructure scheme construction of heavy excavation, and in soft clay area, the constructure scheme of heavy excavation is difficult to realize, and generally adopts the constructure scheme of diaphragm wall and open caisson.The constructure scheme of construction of diaphragm wall, Whirlwind tank is by diaphragm wall and inner core twice composing system, long construction period, operating expenses is high.The constructure scheme speed of application of open caisson is than very fast, and expense is lower.But in soft clay area, features as poor geologic condition, the speed of well sinking is difficult to control, and in sinking, easily occurs tilting and super heavy problem, causes construction risk high, so unit in charge of construction is unwilling to adopt.
Summary of the invention
In view of this, the object of this invention is to provide a kind of Soft Clay Whirlwind tank groined type and strengthen open caisson and job practices, in solving the excessive velocities of open caisson during sinking and sinking, easily occur tilting and super heavy problem.
The invention discloses a kind of Soft Clay Whirlwind tank groined type and strengthen open caisson, comprise open caisson body, described open caisson body comprises the borehole wall, and described borehole wall inwall bottom is provided with and is connected with the borehole wall and crisscross grid, in the below of described grid and space, is provided with filler.
Further, described grid end face is provided with base plate.
Further, described grid be in steel concrete grid or steel work grid any one.
Further, described filler is plain concrete.
Further, described base plate is reinforced concrete floor.
The invention discloses a kind of Soft Clay Whirlwind tank groined type and strengthen the job practices of open caisson, first on earth's surface, make open caisson body, then by constantly cutting the earth in well, open caisson body is sunk gradually under Gravitative Loads, reach predetermined design absolute altitude, in the below of grid and space, pour into a mould plain concrete back cover again, finally at grid end face casting reinforced concrete base plate.
Beneficial effect of the present invention is: the present invention includes following advantage:
(1) grid being connected with the borehole wall in the present invention has been born the pressure of open caisson portion of external water, soil, the settling rate that guarantees open caisson body in open caisson construction process is all even stable, prevent the run-off the straight in open caisson process, jointly stressed with open caisson body base plate and back cover plain concrete after sedimentation completes, guaranteed intensity and the safety of open caisson base plate;
(2) the present invention is simple in structure, and reasonable stress is clear and definite, easy construction, does not increase extra construction expenditure; Stability when having increased the rigidity of open caisson and having sunk, has guaranteed the construction safety of soft clay area open caisson.
Accompanying drawing explanation
In order to make object, technical scheme and the advantage of invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is floor map of the present invention;
Fig. 2 is sectional view of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in the figure, a kind of Soft Clay Whirlwind tank groined type of the present invention is strengthened open caisson, comprise open caisson body, described open caisson body comprises the borehole wall 1, the described borehole wall 1 inwall bottom is provided with and is connected with the borehole wall 1 and crisscross grid 2, in the process of open caisson, born open caisson portion of external water, the pressure of soil, the settling rate that guarantees open caisson body is all even stable, prevent the run-off the straight in open caisson process, in the space of described grid 2, be provided with filler 4, at open caisson body, sink to after design elevation, just in the below of grid 2 and space, fill filler 4, play sealing isolated.
In the present embodiment, described grid 2 end faces are provided with base plate 3, make base plate 3 stressed together with grid 2, have increased the rigidity of open caisson body.
In the present embodiment, described grid 2 be in steel concrete grid or steel work grid any one, steel concrete grid can complete cast together with open caisson body, steel work grid can be welded as a whole with the built-in fitting of open caisson body sidewall.
In the present embodiment, described filler 4 is plain concrete, carries out sealing.
In the present embodiment, described base plate 3 is reinforced concrete floor, further increases open caisson body rigidity.
A kind of above-mentioned Soft Clay Whirlwind tank groined type is strengthened the job practices of open caisson, first on earth's surface, make open caisson body, then by constantly cutting the earth in well, open caisson body is sunk gradually under Gravitative Loads, reach predetermined design absolute altitude, in the below of grid 2 and space, pour into a mould plain concrete back cover again, finally at grid 2 end face casting reinforced concrete base plates.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by with reference to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, can to it, make various changes in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (6)
1. a Soft Clay Whirlwind tank groined type is strengthened open caisson, it is characterized in that: comprise open caisson body, described open caisson body comprises the borehole wall, and described borehole wall inwall bottom is provided with and is connected with the borehole wall and crisscross grid, in the below of described grid and space, is provided with filler.
2. a kind of Soft Clay Whirlwind tank groined type according to claim 1 is strengthened open caisson, it is characterized in that: described grid end face is provided with base plate.
3. a kind of Soft Clay Whirlwind tank groined type according to claim 1 is strengthened open caisson, it is characterized in that: described grid be in steel concrete grid or steel work grid any one.
4. a kind of Soft Clay Whirlwind tank groined type according to claim 1 is strengthened open caisson, it is characterized in that: described filler is plain concrete.
5. a kind of Soft Clay Whirlwind tank groined type according to claim 2 is strengthened open caisson, it is characterized in that: described base plate is reinforced concrete floor.
6. in the claims 1 to 5, the Soft Clay Whirlwind tank groined type described in any one is strengthened the job practices of open caisson, it is characterized in that: first on earth's surface, make open caisson body, then by constantly cutting the earth in well, open caisson body is sunk gradually under Gravitative Loads, reach predetermined design absolute altitude, in the below of grid and space, pour into a mould plain concrete back cover again, finally at grid end face casting reinforced concrete base plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572028.8A CN103556647A (en) | 2013-11-15 | 2013-11-15 | #-shaped reinforced open caisson for soft soil geological rotational flow tank and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310572028.8A CN103556647A (en) | 2013-11-15 | 2013-11-15 | #-shaped reinforced open caisson for soft soil geological rotational flow tank and construction method |
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| CN103556647A true CN103556647A (en) | 2014-02-05 |
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| CN201310572028.8A Pending CN103556647A (en) | 2013-11-15 | 2013-11-15 | #-shaped reinforced open caisson for soft soil geological rotational flow tank and construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314093A (en) * | 2014-11-13 | 2015-01-28 | 中冶天工集团有限公司 | Excessive sinking preventing method for construction of open caisson of tapered-bottom and spiral flow type pool |
| CN105951864A (en) * | 2016-05-26 | 2016-09-21 | 上海二十冶建设有限公司 | Prevention method for soft soil foundation settlement caused by open caisson manufacturing |
| CN107119702A (en) * | 2017-05-23 | 2017-09-01 | 浙江华丰新材料股份有限公司 | The fixed structure and construction method of galss fiber reinforced resin concrete open caisson cylinder |
| CN107605488A (en) * | 2017-08-28 | 2018-01-19 | 安徽理工大学 | A kind of bored shaft and its filling reinforcement means that suspends |
| CN108999202A (en) * | 2018-08-23 | 2018-12-14 | 中铁六局集团广州工程有限公司 | Prevent the super heavy method and device of open caisson |
| CN114197510A (en) * | 2022-01-05 | 2022-03-18 | 朱庆华 | Height-adjustable open caisson barrel fixing structure for installing integrated prefabricated pump station and construction method |
-
2013
- 2013-11-15 CN CN201310572028.8A patent/CN103556647A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314093A (en) * | 2014-11-13 | 2015-01-28 | 中冶天工集团有限公司 | Excessive sinking preventing method for construction of open caisson of tapered-bottom and spiral flow type pool |
| CN104314093B (en) * | 2014-11-13 | 2016-02-03 | 中冶天工集团有限公司 | The anti-excessively heavy method of a kind of conical bottom Whirlwind tank open caisson construction |
| CN105951864A (en) * | 2016-05-26 | 2016-09-21 | 上海二十冶建设有限公司 | Prevention method for soft soil foundation settlement caused by open caisson manufacturing |
| CN107119702A (en) * | 2017-05-23 | 2017-09-01 | 浙江华丰新材料股份有限公司 | The fixed structure and construction method of galss fiber reinforced resin concrete open caisson cylinder |
| CN107605488A (en) * | 2017-08-28 | 2018-01-19 | 安徽理工大学 | A kind of bored shaft and its filling reinforcement means that suspends |
| CN107605488B (en) * | 2017-08-28 | 2023-09-29 | 安徽理工大学 | Drilling shaft and suspension sinking filling reinforcement method thereof |
| CN108999202A (en) * | 2018-08-23 | 2018-12-14 | 中铁六局集团广州工程有限公司 | Prevent the super heavy method and device of open caisson |
| CN114197510A (en) * | 2022-01-05 | 2022-03-18 | 朱庆华 | Height-adjustable open caisson barrel fixing structure for installing integrated prefabricated pump station and construction method |
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Application publication date: 20140205 |