CN111809623A - A anchor case and earth anchor for earth anchor press-in type open caisson engineering - Google Patents
A anchor case and earth anchor for earth anchor press-in type open caisson engineering Download PDFInfo
- Publication number
- CN111809623A CN111809623A CN202010620033.1A CN202010620033A CN111809623A CN 111809623 A CN111809623 A CN 111809623A CN 202010620033 A CN202010620033 A CN 202010620033A CN 111809623 A CN111809623 A CN 111809623A
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- Prior art keywords
- mounting
- anchor
- plate
- pipe
- hole
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The application discloses an anchor case and earth anchor for earth anchor forced open caisson engineering. The anchor box comprises a first box body and a second box body. The first box includes first mounting panel, and first mounting panel has first mounting hole, and first mounting hole configures to and makes the anchor rope pass first mounting hole and be connected with the joint spare. The first mounting plate has first connecting holes, and the quantity of first connecting hole is at least two, and each first connecting hole encircles first mounting hole and arranges, and each first connecting hole is configured to supply the connecting piece to pass through. The second anchor case includes the second mounting panel, and the second mounting panel has the second mounting hole, and the second mounting hole is configured to supply the joint spare to place. The second mounting plate is provided with at least two second connecting holes, each second connecting hole is arranged around the second mounting hole, and each second connecting hole is configured to allow the connecting piece to pass through. The anchor case of this application has realized dismantling of anchor rope and earth anchor and has connected to make the installation of anchor rope, dismantle more convenient.
Description
Technical Field
The application relates to the field of construction, especially, relate to an anchor case and earth anchor for earth anchor forced open caisson engineering.
Background
The press-in type open caisson method is gradually applied in China in recent years, is suitable for various complex geological conditions, can play a great role in the open caisson sinking assisting and deviation rectifying processes, and generally comprises anchor piles, bearing platforms, ground anchors, guys, counter-force devices and pressure-bearing brackets. The process system is a set of temporary device, is used as a construction measure, is generally only limited to the application of sinking assistance and deviation rectification, and needs to be dismantled after the construction is finished.
Content of application
The application provides an anchor case and earth anchor for earth anchor press-in type open caisson engineering, can make the installation of anchor rope, dismantle more convenient.
An embodiment of the application provides an anchor case for ground anchor press-in type caisson engineering. The anchor box comprises a first box body and a second box body. The first box includes first mounting panel, and first mounting panel has first mounting hole, and first mounting hole configures to and makes the anchor rope pass first mounting hole and be connected with the joint spare. The first mounting plate has first connecting holes, and the quantity of first connecting hole is at least two, and each first connecting hole encircles first mounting hole and arranges, and each first connecting hole is configured to supply the connecting piece to pass through. The second anchor case includes the second mounting panel, and the second mounting panel has the second mounting hole, and the second mounting hole is configured to supply the joint spare to place. The second mounting plate is provided with at least two second connecting holes, each second connecting hole is arranged around the second mounting hole, and each second connecting hole is configured to allow the connecting piece to pass through.
In some of these embodiments, the first box still includes first installation pipe, and first installation union coupling is in one side of first mounting panel, and the axis of first installation pipe coincides with the axis of first mounting hole, and first connecting hole is located the outside of first installation pipe.
In some of these embodiments, the first mounting tube is connected to the first mounting plate via a first reinforcing plate, the first reinforcing plate being located outside the first mounting tube, the first reinforcing plate being perpendicular to the first mounting plate. The number of the first reinforcing plates is at least two, and each first reinforcing plate is arranged around the axis of the first mounting pipe.
In some of these embodiments, the end of the first reinforcing plate facing away from the first mounting plate is flush with the end of the first mounting tube, and the end of the first reinforcing plate facing away from the first mounting tube is flush with the outer edge of the first mounting plate.
In some embodiments, the second box further comprises a second mounting pipe connected to one side of the second mounting plate, an axis of the second mounting pipe coincides with an axis of the second mounting hole, and the second connecting hole is located outside the second mounting pipe.
In some of these embodiments, the second mounting tube is configured to be insertable into and correspondingly fit against a cast-in-place pile of the earth anchor.
In some of these embodiments, the second mounting tube is connected to the second mounting plate via a second reinforcing plate, the second reinforcing plate being located outside the second mounting tube, the second reinforcing plate being perpendicular to the second mounting plate. The number of the second reinforcing plates is at least two, and each second reinforcing plate is arranged around the axis of the second mounting pipe.
In some of these embodiments, the end of the second reinforcing plate facing away from the second mounting plate is spaced a distance from the end of the second mounting tube, and the end of the second reinforcing plate facing away from the second mounting tube is flush with the outer edge of the second mounting plate.
In a second aspect, embodiments of the present application provide an earth anchor. The ground anchor comprises a cast-in-place pile and an anchor box in any of the above embodiments. The cast-in-place pile is of a cylindrical structure, is configured to be buried in a foundation and is poured by concrete. The second box body is connected to the cast-in-place pile, and the axis of the second mounting hole coincides with the axis of the cast-in-place pile.
In some of these embodiments, the second box and the cast-in-place pile are also connected by concrete pouring.
According to the embodiment of the application, an anchor box for ground anchor press-in type open caisson engineering and a ground anchor are provided. The anchor box comprises a first box body and a second box body. The first box includes first mounting panel, and first mounting panel has first mounting hole, and first mounting hole configures to and makes the anchor rope pass first mounting hole and be connected with the joint spare. The first mounting plate has first connecting holes, and the quantity of first connecting hole is at least two, and each first connecting hole encircles first mounting hole and arranges, and each first connecting hole is configured to supply the connecting piece to pass through. The second anchor case includes the second mounting panel, and the second mounting panel has the second mounting hole, and the second mounting hole is configured to supply the joint spare to place. The second mounting plate is provided with at least two second connecting holes, each second connecting hole is arranged around the second mounting hole, and each second connecting hole is configured to allow the connecting piece to pass through. The anchor case of this application has realized dismantling of anchor rope and earth anchor and has connected to make the installation of anchor rope, dismantle more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a ground anchor in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a first box in the embodiment of the present application;
FIG. 3 is a schematic structural diagram of a second box in the embodiment of the present application;
fig. 4 is a schematic structural diagram of a pressure-bearing corbel when connecting a high open caisson in the embodiment of the application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
An embodiment of the application provides an anchor case for ground anchor press-in type caisson engineering. The open caisson engineering can comprise the following steps: and a pressure bearing bracket 20 is arranged on the wall of the open caisson 10. The earth anchor 30 is installed. A hold-down assembly is installed, which is installed with the bearing bracket 20 and the ground anchor 30, respectively, and is configured to allow the open caisson 10 to be sunk. The open caisson 10 is lowered. Wherein, the pressure-bearing bracket 20 protrudes to the outside of the open caisson 10 along the radial direction of the open caisson 10. The hold-down assembly may include a feed-through jack that may be mounted on the pressure bracket 20 and an anchor line 50 that may pass through the pressure bracket 20 to connect the feed-through jack to the ground anchor 30. The anchor boxes 33 are used to construct the ground anchors 30 and are connected to the anchor lines 50.
Referring to fig. 1-3, the anchor box 33 includes a first box 3310 and a second box 3320. The first case 3310 includes a first mounting plate 3311. The first mounting plate 3311 may be circular. The first mounting plate 3311 may be steel. The first mounting plate 3311 has first mounting holes 3312, and the first mounting holes 3312 are configured such that the anchor lines 50 are connected to the clip 60 through the first mounting holes 3312. The first mounting hole 3312 may be circular. The first mounting hole 3312 may be located at the center of the first mounting plate 3311. The clip 60 may include a clip plate having a fixing hole through which the anchor cable 50 is threadedly coupled with a nut, and a nut.
The first mounting hole 3312 may have a reinforcing rib 3316 formed therein, and the reinforcing rib 3316 has a lattice structure with a center through which the anchor line 50 passes. The reinforcement ribs 3316 may be steel.
The first mounting plate 3311 has at least two first connection holes 3313, each of the first connection holes 3313 being disposed around the first mounting hole 3312, each of the first connection holes 3313 being configured to pass the connecting member 70 therethrough. The first connection hole 3313 may be circular. The coupling 70 may comprise a screw.
The second anchor box 33 includes a second mounting plate 3321. The shape, size, and material of the second mounting plate 3321 may be the same as those of the first mounting plate 3311. The second mounting plate 3321 has a second mounting hole 3322, and the second mounting hole 3322 is configured for the clip 60 to be placed. The second mounting hole 3322 may have the same shape and size as the second mounting hole 3322. The second mounting hole 3322 may be located at the center of the second mounting plate 3321.
The second mounting plate 3321 has at least two second connection holes 3323, each second connection hole 3323 is disposed around the second mounting hole 3322, and each second connection hole 3323 is configured to pass the connection member 70 therethrough. The second connection hole 3323 may have the same shape and size as the first connection hole 3313. Each of the second connection holes 3323 may be disposed to correspond to one of the first connection holes 3313, respectively.
The anchor box 33 of the application realizes detachable connection of the anchor cable 50 and the ground anchor 30, so that the anchor cable 50 is more convenient to mount and dismount.
The first case 3310 may further include a first mounting tube 3314, the first mounting tube 3314 being connected to one side of the first mounting plate 3311, an axis of the first mounting tube 3314 coinciding with an axis of the first mounting hole 3312, and a first connecting hole 3313 being located outside the first mounting tube 3314. The inner wall of the first mounting tube 3314 may be circular in cross-section. The inner diameter of the first mounting tube 3314 may be the same as the inner diameter of the first mounting hole 3312. The first mounting tube 3314 may be steel.
The reinforcing ribs 3316 may extend to the inside of the first mounting tube 3314. Alternatively, both ends of the reinforcing rib 3316 are flush with a side of the first mounting plate 3311 facing away from the first mounting tube 3314 and a side of the first mounting tube 3314 facing away from the first mounting plate 3311, respectively.
To improve the reliability of the connection of the first mounting tube 3314 and the first mounting plate 3311, the first mounting tube 3314 may be connected to the first mounting plate 3311 via a first reinforcing plate 3315, the first reinforcing plate 3315 being located outside the first mounting tube 3314, the first reinforcing plate 3315 being perpendicular to the first mounting plate 3311. The first reinforcement plate 3315 may be steel. The sidewall surface of the first reinforcement plate 3315 may include a slope to reduce the volume of the first reinforcement plate 3315 while securing the reinforcement function of the first reinforcement plate 3315. The number of the first reinforcing plates 3315 may be at least two, and each of the first reinforcing plates 3315 is arranged around the axis of the first mounting tube 3314.
The end of the first reinforcing plate 3315 facing away from the first mounting plate 3311 may be flush with the end of the first mounting tube 3314. An end of the first reinforcing plate 3315 facing away from the first mounting tube 3314 may be flush with an outer edge of the first mounting plate 3311. With the above arrangement, the reinforcing function of the first reinforcing plate 3315 is improved.
The second housing 3320 may further include a second mounting pipe 3324, the second mounting pipe 3324 being coupled to one side of the second mounting plate 3321, an axis of the second mounting pipe 3324 coinciding with an axis of the second mounting hole 3322, and the second coupling hole 3323 being located outside the second mounting pipe 3324. The inner wall of the second mounting tube 3324 may be circular in cross-section. The inner diameter of the second mounting tube 3324 may be the same as the inner diameter of the second mounting hole 3322. The inner diameter of second mounting tube 3324 may be the same as the inner diameter of first mounting tube 3314. The second mounting tube 3324 may be steel.
Second mounting tube 3324 may be configured to be insertable into a cast-in-place pile 31 of ground anchor 30 and to correspondingly conform to cast-in-place pile 31. At this time, the second mounting tube 3324 may be welded with the cast-in-place pile 31.
To improve the reliability of the connection of the second mounting pipe 3324 and the second mounting plate 3321, the second mounting pipe 3324 is connected to the second mounting plate 3321 via a second reinforcing plate 3325, the second reinforcing plate 3325 is positioned outside the second mounting pipe 3324, and the second reinforcing plate 3325 is perpendicular to the second mounting plate 3321. The second stiffening plate 3325 may be steel. The side wall surface of the second reinforcing plate 3325 may include a slope to reduce the volume of the second reinforcing plate 3325 while securing the reinforcing function of the second reinforcing plate 3325. The number of the second reinforcing plates 3325 may be at least two, and each second reinforcing plate 3325 is arranged around the axis of the second mounting pipe 3324. Each of the second reinforcing plates 3325 is disposed to correspond to one of the first reinforcing plates 3315, respectively.
An end of the second reinforcing plate 3325 facing away from the second mounting plate 3321 may be spaced a distance from an end of the second mounting tube 3324. An end of the second reinforcing plate 3325 facing away from the second mounting tube 3324 may be flush with an outer edge of the second mounting plate 3321. With the above arrangement, the reinforcing function of the second reinforcing plate 3325 is improved.
After the second mounting pipe 3324 is inserted into the cast-in-place pile 31, an end of the second reinforcing plate 3325 facing away from the second mounting plate 3321 abuts an end of the cast-in-place pile 31.
Embodiments of the present application provide a ground anchor 30. The ground anchor 30 comprises a cast-in-place pile 31 and an anchor box 33 in any of the embodiments described above. The cast-in-place pile 31 is a cylindrical structure, and the cast-in-place pile 31 is configured to be buried in a foundation and cast with concrete. The cast-in-place pile 31 may be made of steel reinforcement. The second box body 3320 is coupled to the cast-in-place pile 31, and the axis of the second mounting hole 3322 coincides with the axis of the cast-in-place pile 31. At this time, after the anchor line 50 is connected to the first case 3310, the first case 3310 is connected to the second case 3320, so that the anchor line 50 is connected to the earth anchor 30.
The second box body 3320 and the cast-in-place pile 31 may be further connected by concrete casting.
The installation steps of the ground anchor 30 of the present application may include: the cast-in-place pile 31 is buried in the ground, the cast-in-place pile 31 is concrete-cast and forms a concrete cap 32, the upper end of the cast-in-place pile 31 at the concrete cap 32 is chiseled out, the second installation pipes 3324 of the second box body 3320 are inserted into the cast-in-place pile 31 and welded with the cast-in-place pile 31, and the upper end of the cast-in-place pile 31 is concrete-cast so that the second box body 3320 and the cast-in-place pile 31 are also connected by concrete casting.
Referring to fig. 4, the open caisson engineering may further include the steps of: after the open caisson 10 is sunk to a preset elevation, the pressing assembly is detached from the bearing bracket 20, and a support member 40 is arranged between the bearing bracket 20 and the ground anchor 30 in a cushioning mode. The open caisson 10 is connected. After the open caisson 10 is raised, the bearing bracket 20 is removed from the wall of the caisson and the supporting members 40 are removed. "removing the hold-down assembly from the compression bracket 20" may be removing the feedthrough jacks and anchor lines 50 from the compression bracket 20.
Through the setting, the open caisson engineering of this application supports on earth anchor 30 through making pressure-bearing bracket 20, realized providing extra holding power to open caisson 10 at the in-process that connects high open caisson 10, improved open caisson 10 and connecing the stability factor of high in-process, avoided the geology and appeared open caisson 10 suddenly sunken risk when softer, reducible open caisson 10's merogenesis number of times simultaneously, thereby construction progress has been accelerated, construction cost is reduced, in addition, the open caisson engineering of this application is in the technique of realizing above-mentioned effect, other devices are not increased, thereby construction progress has further been accelerated, construction cost is reduced.
The hold-down assembly may be removed from the ground anchor 30 while the hold-down assembly is removed from the compression bracket 20. "removing the hold-down assembly from the ground anchor 30" may be such that the anchor line 50 is removed from the ground anchor 30.
The cable line 50 may be removed from the ground anchor 30 by separating the first case 3310 and the second case 3320, separating the cable line 50 from the first case 3310, and the first case 3310 may not be connected to the second case 3320 until the cable line 50 and the ground anchor 30 are installed, that is, the support member 40 is interposed between the pressure bracket 20 and the second case 3320.
The support 40 may comprise sand. The sand may be located in a sand pack.
When the support member 40 is installed between the ground anchor 30 and the bearing bracket 20, the support member 40 may be installed between one side of the ground anchor 30 and the bearing bracket 20.
The open caisson engineering of the application can further comprise the following steps: and connecting the pressure-bearing bracket 20 of the last section of open caisson 10 with the ground anchor 30.
The pressure-bearing corbel 20 may include a first support column 21 and a second support column 22, wherein a first end of the first support column 21 is connected to a first end of the second support column 22, and a second end of the first support column 21 and a second end of the second support column 22 are respectively used for connecting with the borehole wall.
The support 40 may be padded between the junction of the first support column 21 and the second support column 22 and the ground anchor 30.
The first support column 21 may be configured to be perpendicular to the axis of the caisson 10. The first support column 21 may be detachably connected to the second support column 22. The side of the first support column 21 facing away from the second support column 22 may be planar.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An anchor box for earth anchor press-in type open caisson engineering, comprising:
a first box body including a first mounting plate having first mounting holes configured to allow an anchor cable to pass through the first mounting holes to be connected with a clip, the first mounting plate having first connection holes, the number of the first connection holes being at least two, each of the first connection holes being arranged around the first mounting hole, each of the first connection holes being configured to allow a connector to pass through;
the second anchor box comprises a second mounting plate, the second mounting plate is provided with second mounting holes, the second mounting holes are configured to supply the clamping pieces to be placed, the second mounting plate is provided with second connecting holes, the number of the second connecting holes is at least two, each second connecting hole surrounds the second mounting holes, and the second connecting holes are configured to supply the connecting pieces to penetrate through.
2. An anchor box as claimed in claim 1,
the first box body further comprises a first installation pipe, the first installation pipe is connected to one side of the first installation plate, the axis of the first installation pipe coincides with the axis of the first installation hole, and the first connection hole is located outside the first installation pipe.
3. An anchor box as claimed in claim 2,
the first mounting pipe is connected with the first mounting plate through a first reinforcing plate, the first reinforcing plate is positioned outside the first mounting pipe, and the first reinforcing plate is perpendicular to the first mounting plate;
the number of the first reinforcing plates is at least two, and each first reinforcing plate is arranged around the axis of the first mounting pipe.
4. An anchor box as claimed in claim 3,
one end of the first reinforcing plate, which is far away from the first mounting plate, is flush with the end part of the first mounting pipe, and one end of the first reinforcing plate, which is far away from the first mounting pipe, is flush with the outer edge of the first mounting plate.
5. An anchor box as claimed in claim 1,
the second box still includes the second installation pipe, the second installation union coupling in one side of second mounting panel, the axis of second installation pipe with the axis coincidence of second mounting hole, the second connecting hole is located the outside of second installation pipe.
6. An anchor box as defined in claim 5,
the second installation pipe is configured to be inserted into a cast-in-place pile of the ground anchor and correspondingly fit with the cast-in-place pile.
7. An anchor box as defined in claim 5,
the second mounting pipe is connected with the second mounting plate through a second reinforcing plate, the second reinforcing plate is positioned outside the second mounting pipe, and the second reinforcing plate is perpendicular to the second mounting plate;
the number of the second reinforcing plates is at least two, and each second reinforcing plate is arranged around the axis of the second mounting pipe.
8. An anchor box as claimed in claim 1,
the second reinforcing plate deviate from the one end of second mounting panel with the tip looks interval certain distance of second installation pipe, the deviation of second reinforcing plate the one end of second installation pipe with the outer edge of second mounting panel is equal.
9. An earth anchor, comprising:
the cast-in-place pile is of a cylindrical structure and is configured to be buried in a foundation and poured by concrete;
an anchor box as claimed in any one of claims 1 to 8, said second box body being connected to said cast-in-place pile, the axis of said second mounting hole being coincident with the axis of said cast-in-place pile.
10. An earth anchor according to claim 9,
the second box body is connected with the cast-in-place pile through concrete pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620033.1A CN111809623A (en) | 2020-06-30 | 2020-06-30 | A anchor case and earth anchor for earth anchor press-in type open caisson engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620033.1A CN111809623A (en) | 2020-06-30 | 2020-06-30 | A anchor case and earth anchor for earth anchor press-in type open caisson engineering |
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| Publication Number | Publication Date |
|---|---|
| CN111809623A true CN111809623A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010620033.1A Pending CN111809623A (en) | 2020-06-30 | 2020-06-30 | A anchor case and earth anchor for earth anchor press-in type open caisson engineering |
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Citations (7)
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| JPH0768707B2 (en) * | 1990-07-10 | 1995-07-26 | 鹿島建設株式会社 | Open caisson method |
| JP2001288753A (en) * | 2000-04-07 | 2001-10-19 | Takenaka Doboku Co Ltd | Press-in open caisson method making use of press jack |
| JP2004137685A (en) * | 2002-10-15 | 2004-05-13 | East Japan Railway Co | Caisson submergement method and supporting method using regular foundation pile |
| CN104032764A (en) * | 2014-06-13 | 2014-09-10 | 上海市基础工程集团有限公司 | Press-in type sunk well reaction system |
| CN106759417A (en) * | 2016-11-10 | 2017-05-31 | 上海城建市政工程（集团）有限公司 | A kind of construction method of forced open caisson |
| CN206289647U (en) * | 2016-11-10 | 2017-06-30 | 上海城建市政工程（集团）有限公司 | A kind of device for controlling open caisson sections process of press in |
| CN110644518A (en) * | 2019-09-16 | 2020-01-03 | 上海市基础工程集团有限公司 | Pressed-in type open caisson counterforce device combining steel beam and concrete bearing platform |
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2020
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| JPH0768707B2 (en) * | 1990-07-10 | 1995-07-26 | 鹿島建設株式会社 | Open caisson method |
| JP2001288753A (en) * | 2000-04-07 | 2001-10-19 | Takenaka Doboku Co Ltd | Press-in open caisson method making use of press jack |
| JP2004137685A (en) * | 2002-10-15 | 2004-05-13 | East Japan Railway Co | Caisson submergement method and supporting method using regular foundation pile |
| CN104032764A (en) * | 2014-06-13 | 2014-09-10 | 上海市基础工程集团有限公司 | Press-in type sunk well reaction system |
| CN106759417A (en) * | 2016-11-10 | 2017-05-31 | 上海城建市政工程（集团）有限公司 | A kind of construction method of forced open caisson |
| CN206289647U (en) * | 2016-11-10 | 2017-06-30 | 上海城建市政工程（集团）有限公司 | A kind of device for controlling open caisson sections process of press in |
| CN110644518A (en) * | 2019-09-16 | 2020-01-03 | 上海市基础工程集团有限公司 | Pressed-in type open caisson counterforce device combining steel beam and concrete bearing platform |
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Application publication date: 20201023 |
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