CN110144921A - A kind of simple and efficient open caisson deviation rectification method - Google Patents
A kind of simple and efficient open caisson deviation rectification method Download PDFInfo
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- CN110144921A CN110144921A CN201910491067.2A CN201910491067A CN110144921A CN 110144921 A CN110144921 A CN 110144921A CN 201910491067 A CN201910491067 A CN 201910491067A CN 110144921 A CN110144921 A CN 110144921A
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- open caisson
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- sheet pile
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention discloses a kind of simple and efficient open caisson deviation rectification method, a kind of simple and efficient open caisson deviation rectification method, it is characterised in that: the following steps are included: (1) selects correction tool: selecting the Larsen steel sheet pile of corresponding length according to the depth of open caisson；(2) part is dug partially: in the side that caisson wall sinking is not gone down, the earthwork of caisson wall bottom being excavated；(3) it rectifies a deviation: in the side that well sinking does not go down, successively carrying out plug on the outside of caisson wall with Larsen steel sheet pile；Set the depth of open caisson wherein as H1, the length of Larsen steel sheet pile is H2, length H2 >=open caisson depth H 1 of the Larsen steel sheet pile, the simple and efficient open caisson deviation rectification method, not only method for correcting error simple process, while rectifying effect in practice is also very good, very efficiently.
Description
Technical field
The present invention relates to building engineering fields, more particularly to a kind of simple and efficient open caisson deviation rectification method.
Background technique
From the fifties, the construction of open caisson be have developed rapidly for the country, and achieve very big achievement.It is built in the form of open caisson
Made a large amount of bridge stylobate plinth, intake strucure, sewage pumping station, underground industrial premises, large equipment base, underground storehouse,
The containment body of shield assembly well, mine shaft and underground driveway and station etc. large-scale deep foundation and underground structure.With more river,
The construction in gulf, strait Bridge over strait greatly develops deep water foundation headed by China, Japan, thus Open caisson construction technology obtains very
Big breakthrough.
The process of existing open caisson construction at that time, when caisson wall side sink resistance (drag sources are in caisson wall
The frontal drag of the lower section soil body and the frictional force with the soil body of caisson wall side) when being greater than the gravity of caisson wall, or work as
Caisson wall is by the soil body locking of surrounding, when frictional force has increased above gravity suffered by the borehole wall, can all make caisson wall by
Power is uneven, and the problem of deflection occurs, although having inclined digging, high-pressure flush, the methods of weight of wearing for the method for open caisson deviation rectification at present,
But rectifying effect is less desirable.
Summary of the invention
A kind of simple and efficient open caisson deviation rectification side is provided it is an object of the invention to avoid shortcoming in the prior art
Method, the production method simple process, while rectifying effect in practice are also very good, very efficient.
The purpose of the present invention is achieved through the following technical solutions:
A kind of simple and efficient open caisson deviation rectification method, comprising the following steps:
(1) it selects correction tool: selecting the Larsen steel sheet pile of corresponding length according to the depth of open caisson；
(2) part is dug partially: in the side that caisson wall sinking is not gone down, the earthwork of caisson wall bottom being excavated；
(3) it rectifies a deviation: in the side that caisson wall sinking is not gone down, carrying out plug on the outside of caisson wall with Larsen steel sheet pile；
Set the depth of open caisson wherein as H1, the length of Larsen steel sheet pile is H2, and length H2 >=open caisson of the Larsen steel sheet pile is deep
Spend H1.
Further, in step (1), Larsen steel sheet pile upper end, which is provided with, to be fixedly connected with the Larsen steel sheet pile
Vibration hammer.
Further, in step (1), the formula of the Larsen steel sheet pile is based on its raw material weight ratio including following component:
80-90 parts of maghemite, 70-80 parts of pig iron, 30-40 parts of medium carbon ferrochrome, 20-25 parts of gibbsite, 6-12 parts of boron, carbon dust 6-
11 parts, 5-13 parts of nickel, 3-7 parts of copper, 2-4 parts of manganese powder, 1-2 parts of SILICA FUME, 0.8-1.2 parts of chromium block, 0.8-1.2 parts of hydride powder,
0.08-0.11 parts of rutile, 0.05-0.07 parts of fluor-apatite, 0.02-0.03 parts of phosphorus powder, 0.01-0.02 parts of pyrochlore, cerium
0.01-0.02 parts.
Further, in step (1), the formula of the Larsen steel sheet pile is based on its raw material weight ratio including following component:
90 parts of maghemite, 80 parts of pig iron, 40 parts of medium carbon ferrochrome, 25 parts of gibbsite, 12 parts of boron, 11 parts of carbon dust, 13 parts of nickel, copper 7
Part, 4 parts of manganese powder, 2 parts of SILICA FUME, 1.2 parts of chromium block, 1.2 parts of hydride powder, 0.11 part of rutile, 0.07 part of fluor-apatite, phosphorus powder
0.03 part, 0.02 part of pyrochlore, 0.02 part of cerium.
Further, in step (1), the formula of the Larsen steel sheet pile is based on its raw material weight ratio including following component:
80 parts of maghemite, 70 parts of pig iron, 30 parts of medium carbon ferrochrome, 20 parts of gibbsite, 6 parts of boron, 6 parts of carbon dust, 5 parts of nickel, 3 parts of copper,
2 parts of manganese powder, 1 part of SILICA FUME, 0.8 part of chromium block, 0.8 part of hydride powder, 0.08 part of rutile, 0.05 part of fluor-apatite, phosphorus powder
0.02 part, 0.01 part of pyrochlore, 0.01 part of cerium.
Further, in step (1), the formula of the Larsen steel sheet pile is based on its raw material weight ratio including following component:
85 parts of maghemite, 75 parts of pig iron, 35 parts of medium carbon ferrochrome, 22.5 parts of gibbsite, 9 parts of boron, 8.5 parts of carbon dust, 9 parts of nickel, copper 5
Part, 3 parts of manganese powder, 1.5 parts of SILICA FUME, 1 part of chromium block, 1 part of hydride powder, 0.095 part of rutile, 0.06 part of fluor-apatite, phosphorus powder
0.025 part, 0.015 part of pyrochlore, 0.015 part of cerium.
Further, in step (2), the lower end of the open caisson is provided with the bottom of a pan being fixedly connected with the open caisson.
Further, in step (2), the open caisson is arranged in rectangle.
Further, in step (3), the Larsen steel sheet pile successively carries out the plug number of plug on the outside of caisson wall
It is 1-2 times.
The utility model has the advantages that being dug partially first with part due in the process of open caisson deviation rectification, capable of effectively eliminating or subtract
The frontal drag that few caisson wall is subject to, while the Larsen steel sheet pile using length not less than open caisson depth carries out caisson wall
Plug to reduce the side frictional force of caisson wall sinking, and then subtracts so that the soil body for holding caisson wall tightly loosens, liquefaction
Penetration resistance is lacked, the borehole wall is enable to sink, achieved the purpose that open caisson deviation rectification, not only operating process is simple, while practicing
In rectifying effect it is also very good, very efficiently.
Detailed description of the invention
Invention is described further using attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is a kind of site operation figure of simple and efficient open caisson deviation rectification method of the invention；
Fig. 2 is the top view of caisson wall in the present invention.
Include in figure:
Open caisson 1, Larsen steel sheet pile 2, vibration hammer 3, the bottom of a pan 4.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1
As shown in Figure 1, a kind of simple and efficient open caisson deviation rectification method of the present embodiment, it is characterised in that: the following steps are included:
(1) it selects correction tool: selecting the Larsen steel sheet pile 2 of corresponding length according to the depth of open caisson 1；
(2) part is dug partially: in the side that the sinking of open caisson 1 is not gone down, the earthwork of 1 borehole wall bottom of open caisson is excavated, it is effective to reduce
The frontal drag of the borehole wall；
(3) it rectifies a deviation: in the side that the sinking of open caisson 1 is not gone down, successively carrying out plug on the outside of 1 borehole wall of open caisson with Larsen steel sheet pile 2,
The soil body for holding 1 borehole wall of open caisson tightly is loosened, is liquefied, reduces the side frictional force of 1 wall submersion of open caisson, so that open caisson
1 can smoothly sink under gravity.
Set the depth of open caisson 1 wherein as H1, the length of Larsen steel sheet pile 2 is H2, the length H2 of the Larsen steel sheet pile 2
1 depth H 1 of >=open caisson.
As shown in Figure 1, in a preferred embodiment, in step (1), 2 upper end of Larsen steel sheet pile is provided with and the drawing
The vibration hammer 3 that gloomy steel sheet pile 2 is fixedly connected can make Larsen steel sheet pile 2 during usage as vibration hammer 3 shakes together
Dynamic, so that Larsen steel sheet pile 2 is more preferable to the function and effect of the soil body in the process of plug, the soil body is loosened and is liquefied
Faster.
In a preferred embodiment, in step (1), the formula of the Larsen steel sheet pile 2 is based on its raw material weight ratio including such as
Lower component: 90 parts of maghemite, 80 parts of pig iron, 40 parts of medium carbon ferrochrome, 25 parts of gibbsite, 12 parts of boron, 11 parts of carbon dust, nickel 13
Part, 7 parts of copper, 4 parts of manganese powder, 2 parts of SILICA FUME, 1.2 parts of chromium block, 1.2 parts of hydride powder, 0.11 part of rutile, fluor-apatite 0.07
Part, 0.03 part of phosphorus powder, 0.02 part of pyrochlore, 0.02 part of cerium.
As shown in Figure 1, in a preferred embodiment, in step (2), the lower end of the open caisson 1 is provided with and 1 spiral shell of open caisson
Tether the bottom of a pan 4 connect.
As shown in Fig. 2, in a preferred embodiment, in step (2), the open caisson 1 is arranged in rectangle.
In a preferred embodiment, in step (3), the Larsen steel sheet pile 2 successively carries out plug on the outside of 1 borehole wall of open caisson
Plug number is 2 times.
Embodiment 2
As shown in Figure 1, a kind of simple and efficient open caisson deviation rectification method of the present embodiment, it is characterised in that: the following steps are included:
(1) it selects correction tool: selecting the Larsen steel sheet pile 2 of corresponding length according to the depth of open caisson 1；
(2) part is dug partially: in the side that the sinking of open caisson 1 is not gone down, the earthwork of 1 borehole wall bottom of open caisson is excavated, it is effective to reduce
The frontal drag of the borehole wall；
(3) it rectifies a deviation: in the side that the sinking of open caisson 1 is not gone down, successively carrying out plug on the outside of 1 borehole wall of open caisson with Larsen steel sheet pile 2,
The soil body for holding 1 borehole wall of open caisson tightly is loosened, is liquefied, reduces the side frictional force of 1 wall submersion of open caisson, so that open caisson
1 can smoothly sink under gravity.
Set the depth of open caisson 1 wherein as H1, the length of Larsen steel sheet pile 2 is H2, the length H2 of the Larsen steel sheet pile 2
1 depth H 1 of >=open caisson.
As shown in Figure 1, in a preferred embodiment, in step (1), 2 upper end of Larsen steel sheet pile is provided with and the drawing
The vibration hammer 3 that gloomy steel sheet pile 2 is fixedly connected can make Larsen steel sheet pile 2 during usage as vibration hammer 3 shakes together
Dynamic, so that Larsen steel sheet pile 2 is more preferable to the function and effect of the soil body in the process of plug, the soil body is loosened and is liquefied
Faster.
In a preferred embodiment, in step (1), the formula of the Larsen steel sheet pile 2 is based on its raw material weight ratio including such as
Lower component: 80 parts of maghemite, 70 parts of pig iron, 30 parts of medium carbon ferrochrome, 20 parts of gibbsite, 6 parts of boron, 6 parts of carbon dust, 5 parts of nickel,
3 parts of copper, 2 parts of manganese powder, 1 part of SILICA FUME, 0.8 part of chromium block, 0.8 part of hydride powder, 0.08 part of rutile, 0.05 part of fluor-apatite,
0.02 part of phosphorus powder, 0.01 part of pyrochlore, 0.01 part of cerium.
As shown in Figure 1, in a preferred embodiment, in step (2), the lower end of the open caisson 1 is provided with and 1 spiral shell of open caisson
Tether the bottom of a pan 4 connect.
As shown in Fig. 2, in a preferred embodiment, in step (2), the open caisson 1 is arranged in rectangle.
In a preferred embodiment, in step (3), the Larsen steel sheet pile 2 successively carries out plug on the outside of 1 borehole wall of open caisson
Plug number is 2 times.
Embodiment 3
As shown in Figure 1, a kind of simple and efficient open caisson deviation rectification method of the present embodiment, it is characterised in that: the following steps are included:
(1) it selects correction tool: selecting the Larsen steel sheet pile 2 of corresponding length according to the depth of open caisson 1；
(2) part is dug partially: in the side that the sinking of open caisson 1 is not gone down, the earthwork of 1 borehole wall bottom of open caisson is excavated, it is effective to reduce
The frontal drag of the borehole wall；
(3) it rectifies a deviation: in the side that the sinking of open caisson 1 is not gone down, successively carrying out plug on the outside of 1 borehole wall of open caisson with Larsen steel sheet pile 2,
The soil body for holding 1 borehole wall of open caisson tightly is loosened, is liquefied, reduces the side frictional force of 1 wall submersion of open caisson, so that open caisson
1 can smoothly sink under gravity.
Set the depth of open caisson 1 wherein as H1, the length of Larsen steel sheet pile 2 is H2, the length H2 of the Larsen steel sheet pile 2
1 depth H 1 of >=open caisson.
As shown in Figure 1, in a preferred embodiment, in step (1), 2 upper end of Larsen steel sheet pile is provided with and the drawing
The vibration hammer 3 that gloomy steel sheet pile 2 is fixedly connected can make Larsen steel sheet pile 2 during usage as vibration hammer 3 shakes together
Dynamic, so that Larsen steel sheet pile 2 is more preferable to the function and effect of the soil body in the process of plug, the soil body is loosened and is liquefied
Faster.
In a preferred embodiment, in step (1), the formula of the Larsen steel sheet pile 2 is based on its raw material weight ratio including such as
Lower component: 85 parts of maghemite, 75 parts of pig iron, 35 parts of medium carbon ferrochrome, 22.5 parts of gibbsite, 9 parts of boron, 8.5 parts of carbon dust, nickel
9 parts, 5 parts of copper, 3 parts of manganese powder, 1.5 parts of SILICA FUME, 1 part of chromium block, 1 part of hydride powder, 0.095 part of rutile, fluor-apatite 0.06
Part, 0.025 part of phosphorus powder, 0.015 part of pyrochlore, 0.015 part of cerium.
As shown in Figure 1, in a preferred embodiment, in step (2), the lower end of the open caisson 1 is provided with and 1 spiral shell of open caisson
Tether the bottom of a pan 4 connect.
As shown in Fig. 2, in a preferred embodiment, in step (2), the open caisson 1 is arranged in rectangle.
In a preferred embodiment, in step (3), the Larsen steel sheet pile 2 successively carries out plug on the outside of 1 borehole wall of open caisson
Plug number is 2 times.
Experimental example
Experimental subjects: the embodiment of the present invention 1, embodiment 2, Larsen steel sheet pile made from embodiment 3.
Experimental standard: tensile strength, surrender are carried out to above-mentioned three groups of Larsen steel sheet piles according to GB/T10623-2008 regulation
Intensity, elongation, notched bar impact strength, and experimental result is recorded.
Following table is three groups of embodiment Larsen steel sheet pile testing results of the invention:
As seen from the above table, the embodiment of the present invention 1, embodiment 2, the tensile strength of the caisson wall of embodiment 3, yield strength, stretch
Long rate and notched bar impact strength meet standard GB/T/T10623-2008 regulation.
Beneficial effects of the present invention:, can be effective due to being dug partially first with part in the process of open caisson deviation rectification
The frontal drag that caisson wall is subject to is eliminated or reduces, while the Larsen steel sheet pile using length not less than open caisson depth is to open caisson
The borehole wall carries out plug, so that the soil body for holding caisson wall tightly loosens, liquefaction, to reduce the side friction of caisson wall sinking
Power, and then reduce penetration resistance, so that the borehole wall is sunk, achieved the purpose that open caisson deviation rectification, not only operating process is simple, together
When rectifying effect in practice it is also very good, very efficiently.
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 range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (9)
1. a kind of simple and efficient open caisson deviation rectification method, it is characterised in that: the following steps are included:
Selection correction tool: the Larsen steel sheet pile of corresponding length is selected according to the depth of open caisson；
Part is dug partially: in the side that caisson wall sinking is not gone down, the earthwork of caisson wall bottom being excavated；
Correction: in the side that caisson wall sinking is not gone down, plug is carried out on the outside of caisson wall with Larsen steel sheet pile；
Set the depth of open caisson wherein as H1, the length of Larsen steel sheet pile is H2, and length H2 >=open caisson of the Larsen steel sheet pile is deep
Spend H1.
2. a kind of simple and efficient open caisson deviation rectification method as described in claim 1, it is characterised in that: in step (1), the Larsen
Steel sheet pile upper end is provided with the vibration hammer being fixedly connected with the Larsen steel sheet pile.
3. a kind of simple and efficient open caisson deviation rectification method as described in claim 1, it is characterised in that: in step (1), the Larsen
The formula of steel sheet pile is based on its raw material weight ratio including following component: 80-90 parts of maghemite, 70-80 parts of pig iron, middle carbon chromium
30-40 parts of iron, 20-25 parts of gibbsite, 6-12 parts of boron, 6-11 parts of carbon dust, 5-13 parts of nickel, 3-7 parts of copper, 2-4 parts of manganese powder, micro- silicon
1-2 parts of powder, 0.8-1.2 parts of chromium block, 0.8-1.2 parts of hydride powder, 0.08-0.11 parts of rutile, fluor-apatite 0.05-0.07
Part, 0.02-0.03 parts of phosphorus powder, 0.01-0.02 parts of pyrochlore, 0.01-0.02 parts of cerium.
4. a kind of simple and efficient open caisson deviation rectification method as claimed in claim 1 or 3, it is characterised in that: described in step (1)
The formula of Larsen steel sheet pile is based on its raw material weight ratio including following component: 90 parts of maghemite, 80 parts of pig iron, medium carbon ferrochrome
40 parts, 25 parts of gibbsite, 12 parts of boron, 11 parts of carbon dust, 13 parts of nickel, 7 parts of copper, 4 parts of manganese powder, 2 parts of SILICA FUME, 1.2 parts of chromium block, hydrogen
Change 1.2 parts of titanium valve, 0.11 part of rutile, 0.07 part of fluor-apatite, 0.03 part of phosphorus powder, 0.02 part of pyrochlore, 0.02 part of cerium.
5. a kind of simple and efficient open caisson deviation rectification method as claimed in claim 1 or 3, it is characterised in that: described in step (1)
The formula of Larsen steel sheet pile is based on its raw material weight ratio including following component: 80 parts of maghemite, 70 parts of pig iron, medium carbon ferrochrome
30 parts, 20 parts of gibbsite, 6 parts of boron, 6 parts of carbon dust, 5 parts of nickel, 3 parts of copper, 2 parts of manganese powder, 1 part of SILICA FUME, 0.8 part of chromium block, hydrogenation
0.8 part of titanium valve, 0.08 part of rutile, 0.05 part of fluor-apatite, 0.02 part of phosphorus powder, 0.01 part of pyrochlore, 0.01 part of cerium.
6. a kind of simple and efficient open caisson deviation rectification method as claimed in claim 1 or 3, it is characterised in that: described in step (1)
The formula of Larsen steel sheet pile is based on its raw material weight ratio including following component: 85 parts of maghemite, 75 parts of pig iron, medium carbon ferrochrome
35 parts, 22.5 parts of gibbsite, 9 parts of boron, 8.5 parts of carbon dust, 9 parts of nickel, 5 parts of copper, 3 parts of manganese powder, 1.5 parts of SILICA FUME, 1 part of chromium block,
1 part of hydride powder, 0.095 part of rutile, 0.06 part of fluor-apatite, 0.025 part of phosphorus powder, 0.015 part of pyrochlore, 0.015 part of cerium.
7. a kind of simple and efficient open caisson deviation rectification method as described in claim 1, it is characterised in that: described heavy in step (2)
The lower end of well is provided with the bottom of a pan being fixedly connected with the open caisson.
8. a kind of simple and efficient open caisson deviation rectification method as described in claim 1, it is characterised in that: in step (2), the open caisson
It is arranged in rectangle.
9. a kind of simple and efficient open caisson deviation rectification method as described in claim 1, it is characterised in that: in step (3), the Larsen
The plug number that steel sheet pile successively carries out plug on the outside of caisson wall is 1-2 times.
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| CN201910491067.2A CN110144921A (en) | 2019-06-06 | 2019-06-06 | A kind of simple and efficient open caisson deviation rectification method |
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| CN201910491067.2A CN110144921A (en) | 2019-06-06 | 2019-06-06 | A kind of simple and efficient open caisson deviation rectification method |
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ID=67590648
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482028A (en) * | 2021-05-17 | 2021-10-08 | 中建一局集团第五建筑有限公司 | Construction method for breaking pile blocking of open caisson |
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| JPH06108473A (en) * | 1992-09-28 | 1994-04-19 | Yamaha Kako Kensetsu Kk | Settled posture controller of caisson in open caisson process |
| KR100857772B1 (en) * | 2008-04-02 | 2008-09-09 | 최승희 | Construction structure of open caisson cofferdam using assembling sheet pile and it's method |
| CN101845820A (en) * | 2009-10-10 | 2010-09-29 | 中交二公局第二工程有限公司 | Sinking-assistant construction method for sinking sunk well |
| CN202745065U (en) * | 2012-08-31 | 2013-02-20 | 中交二航局第四工程有限公司 | Steel cofferdam sinking guide device |
| CN203256729U (en) * | 2013-03-29 | 2013-10-30 | 天津城建集团有限公司 | Larson steel sheet pile containment device for open caisson construction |
| CN106592615A (en) * | 2016-11-17 | 2017-04-26 | 叶香雄 | Deviation rectification construction method for inclined sink |
| CN107326919A (en) * | 2017-05-31 | 2017-11-07 | 上海市政建设有限公司 | A kind of open caisson end heavy stage deviation-rectifying system and its application method |
| CN109826630A (en) * | 2019-02-02 | 2019-05-31 | 上海城建水务工程有限公司 | A kind of precast concrete open caisson device and its construction method for jacking construction |
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2019
- 2019-06-06 CN CN201910491067.2A patent/CN110144921A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06108473A (en) * | 1992-09-28 | 1994-04-19 | Yamaha Kako Kensetsu Kk | Settled posture controller of caisson in open caisson process |
| KR100857772B1 (en) * | 2008-04-02 | 2008-09-09 | 최승희 | Construction structure of open caisson cofferdam using assembling sheet pile and it's method |
| CN101845820A (en) * | 2009-10-10 | 2010-09-29 | 中交二公局第二工程有限公司 | Sinking-assistant construction method for sinking sunk well |
| CN202745065U (en) * | 2012-08-31 | 2013-02-20 | 中交二航局第四工程有限公司 | Steel cofferdam sinking guide device |
| CN203256729U (en) * | 2013-03-29 | 2013-10-30 | 天津城建集团有限公司 | Larson steel sheet pile containment device for open caisson construction |
| CN106592615A (en) * | 2016-11-17 | 2017-04-26 | 叶香雄 | Deviation rectification construction method for inclined sink |
| CN107326919A (en) * | 2017-05-31 | 2017-11-07 | 上海市政建设有限公司 | A kind of open caisson end heavy stage deviation-rectifying system and its application method |
| CN109826630A (en) * | 2019-02-02 | 2019-05-31 | 上海城建水务工程有限公司 | A kind of precast concrete open caisson device and its construction method for jacking construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482028A (en) * | 2021-05-17 | 2021-10-08 | 中建一局集团第五建筑有限公司 | Construction method for breaking pile blocking of open caisson |
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Application publication date: 20190820 |
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