CN101509258A - Method for precontrolling subsidence slant of sinking well - Google Patents
Method for precontrolling subsidence slant of sinking well Download PDFInfo
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- CN101509258A CN101509258A CNA2009100610745A CN200910061074A CN101509258A CN 101509258 A CN101509258 A CN 101509258A CN A2009100610745 A CNA2009100610745 A CN A2009100610745A CN 200910061074 A CN200910061074 A CN 200910061074A CN 101509258 A CN101509258 A CN 101509258A
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Abstract
The invention relates to a method for precontrolling the sink and oblique of an open caisson, which is characterized by comprising the following steps: constructing 4-10 support stakes and fixing steel structure pillars on the top thereof; suspending the open caisson construction before the open caisson construction goes into the soil horizon where open caisson oblique is prone to appear; digging out the 4-10 steel structure pillars to a place which is 1-3.5 meters below the upper surface of the soil horizon where open caisson oblique is prone to appear, taking out the earthwork below the wall of the open caisson into which 2-6 support beams will stick, fixing the support beams on the steel structure pillars, and then putting the ends of the 2-6 support beams into the part under the wall of the open caisson; then beginning the open caisson construction till the open caisson goes down to the support beams; leveling and controlling the open caisson every time when the open caisson sinks for a certain section; not stopping until the lower end of the open caisson wall goes down to the bottom designed elevation of the open caisson; then removing the support beams, steel structure pillars and support piles above the bottom designed elevation of the open caisson. The method has the advantage of greatly decreasing the incline occurrence probability of open caissons.
Description
Technical field
The invention belongs to civil construction, municipal engineering field, relate in particular to the method for precontrolling subsidence slant of sinking well.
Background technology
Because of reason such as the load asymmetric, that open caisson is peripheral of geological condition, excavation is different, open caisson is in the sinking process, open caisson often appears, and be difficult to correction, even influence normally carrying out and producing security incident of engineering, at the problem of well sinking run-off the straight, traditional method is the asymmetric excavation of employing, adopts the method for asymmetric preloading to rectify a deviation on open caisson top or outside the open caisson, but all is after the open caisson run-off the straight and the passive measure of taking.At present, the method that does not also have precontrolling subsidence slant of sinking well.
Summary of the invention
The object of the present invention is to provide a kind of method of precontrolling subsidence slant of sinking well, this method can make the probability of open caisson run-off the straight greatly reduce.
To achieve these goals, technical scheme of the present invention is: the method for precontrolling subsidence slant of sinking well is characterized in that it comprises the steps:
1), predict before well sinking or in the open caisson construction can existing open caisson tilt before (can existing open caisson tilting) as predicting in the soil such as weak soil, layer of sand or boulder bed, constructing in open caisson, 4～10 supporting piles (determine by the size according to the open caisson diameter, the big person of open caisson diameter gets big value), the bottom of supporting pile is positioned under the bottom design absolute altitude of open caisson; The fixing steel structure column respectively at the top of 4～10 supporting piles; Prefabricated 2～6 brace summers;
2), occur soil layer (as weak soil, layer of sand or boulder bed etc.) that open caisson tilts easily before, suspend and carry out open caisson construction when open caisson construction enters; Earlier 4～10 steel structure columns are dug out to this and occur 1～3.5m below the soil layer upper surface that open caisson tilts easily, 2～6 brace summers will be stretched into the borehole wall below of open caisson and draw out (the soil layer upper surface following 1～3.5m) that occurs the open caisson inclination easily with the earthwork of lower part, 2～6 brace summers being fixedly mounted on 4～10 steel structure columns (can adopt welding or bolt to install again, brace summer can adopt and be arranged in parallel, also can adopt multiple modes such as " well " or sphere of movements for the elephants type layout), all brace summers are positioned at same horizontal plane, and the end of 2～6 brace summers puts in the borehole wall below of open caisson; Begin open caisson construction again, up to well sinking [supporting pile, steel structure column, brace summer constitute structural frame, because structural frame is leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control] to brace summer; Suspend and carry out open caisson construction;
3) above-mentioned all brace summers are unloaded from steel structure column; Again 4～10 steel structure columns are dug out to the above-mentioned former 1～3.5m place, borehole wall below that drops on the open caisson on the brace summer, 2～6 brace summers will be stretched into the borehole wall below of open caisson and draw out (digging out) to the above-mentioned former 1～3.5m place, borehole wall below that drops on the open caisson on the brace summer with the earthwork of lower part, 2～6 brace summers being fixedly mounted on 4～10 steel structure columns (can adopt welding or bolt to install again, brace summer can adopt and be arranged in parallel, also can adopt multiple modes such as " well " or sphere of movements for the elephants type layout), 2～6 brace summers are positioned at same horizontal plane, and the end of 2～6 brace summers puts in the borehole wall below of open caisson; Begin open caisson construction again, up to well sinking [because all brace summers of structural frame have been leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control] to brace summer; Suspend and carry out open caisson construction;
4) repeating step 3), sink down into until the borehole wall lower end of open caisson till the bottom design absolute altitude of open caisson; Remove brace summer (shed bolt, also can adopt cutting) then, steel structure column, supporting pile (can adopt cutting method) on the bottom design absolute altitude of dismounting open caisson.
Described steel structure column is made up of 2～20 joint short columns, adopts between short column and the short column to weld or bolt is connected; Behind well sinking 2～10 sections (layer), the brace summer on the steel structure column is removed, 2～10 joints are removed on the top of steel structure column, and then brace summer is installed; Begin open caisson construction again, and so forth.
Described supporting pile is a castinplace pile, the castinplace pile (top of castinplace pile is positioned at the bottom design absolute altitude of open caisson, also can be higher than the bottom design absolute altitude of open caisson) of constructing in open caisson earlier; Insert steel structure column (comprising steel pipe) at the top of castinplace pile then, the bottom of steel structure column is fixed on the top of castinplace pile.
Described supporting pile is a steel pipe pile, and steel structure column and steel pipe pile are structure as a whole.The top of steel pipe pile is made up of 2～20 joint short steel pipes, adopts bolt to be connected (as joint employing flange, by the bolt connection) between short steel pipes and the short steel pipes.
Described brace summer is steel structure girder or is the reinforced concrete structure beam.The support depth of beam is 0.3～1.0m.
Open caisson construction the invention has the beneficial effects as follows: when will enter the soil layer that occurs the open caisson inclination easily, suspend and carry out open caisson construction, each then open caisson (is that each open caisson 0.5～3m) has all carried out leveling and control [by realizations such as brace summer, steel structure column, supporting piles] to open caisson during deck-molding 0.5m for one section.Therefore, just can guarantee the problem that open caisson can not occur tilting, make original traditional open caisson be prone to the tilt problem of later passive correction of uncontrollable tilt problem and open caisson, become open caisson and tilt to be controlled and ACTIVE CONTROL in advance, finally the probability of open caisson run-off the straight greatly reduces.
Description of drawings
Fig. 1 is the castinplace pile of the embodiment of the invention 1 and the arrangement diagram of steel structure column;
Fig. 2 is brace summer, the castinplace pile of the embodiment of the invention 1, the arrangement diagram of steel structure column;
Fig. 3 is the sectional view of Fig. 2 along A-A line;
Fig. 4 is the brace summer of the embodiment of the invention 10, the arrangement diagram of steel pipe pile;
Fig. 5 is the sectional view of Fig. 4 along B-B line;
Among the figure: 1-the first steel structure column, 2-the second steel structure column, 3-the three steel structure column, 4-the four steel structure column, 5-borehole wall, 6-the first steel structure girder, 7-the second steel structure girder, 8-the first castinplace pile, 9-the second castinplace pile, 10-first steel pipe pile, 11-second steel pipe pile, 12-the 3rd steel pipe pile, 13-the 4th steel pipe pile.
The specific embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1:
As Fig. 1, Fig. 2, shown in Figure 3, the method for precontrolling subsidence slant of sinking well, it comprises the steps:
1), before well sinking, elder generation is construction first castinplace pile 8, second castinplace pile 9, the 3rd castinplace pile, the 4th castinplace pile in open caisson, 4 castinplace piles are apart from the borehole wall 5 inner edge 0.5m distances uniform (clear distance), become 90 ° each other, the bottom of 4 castinplace piles is positioned under the bottom design absolute altitude of open caisson (degree of depth of 4 castinplace piles should reach and satisfy force request), and the top of 4 castinplace piles is positioned at the bottom design absolute altitude of open caisson; Insert steel structure column (steel structure column is fixed on the top of castinplace pile, is respectively first steel structure column 1, second steel structure column 2, the 3rd steel structure column 3, the 4th steel structure column 4) then respectively at the top of 4 castinplace piles; Steel structure column is made up of 10 joint short columns, adopts bolt to be connected (as joint employing flange, by the bolt connection) between short column and the short column; Prepare 2 brace summers, brace summer adopts steel structure girder (elder generation is prefabricated, i.e. first steel structure girder 6, second steel structure girder 7);
2), occur soil layer (as weak soil, layer of sand or boulder bed etc.) that open caisson tilts easily before, suspend and carry out open caisson construction when open caisson construction enters; 4 steel structure columns are dug out to this earlier and occur the following 2.5m of soil layer upper surface that open caisson tilts easily, with 2 steel structure girders (i.e. first steel structure girder 6, second steel structure girder 7) draw out with the earthwork of lower part the borehole wall below that will stretch into open caisson, 2 steel structure girders being fixedly mounted on 4 steel structure columns (can adopt welding or bolt to install again, steel structure girder adopts and is arranged in parallel, first steel structure girder 6 is fixedly mounted on first steel structure column 1, on second steel structure column 2, second steel structure girder 7 is fixedly mounted on the 3rd steel structure column 3, on the 4th steel structure column 4), the upper surface of 2 steel structure girders is positioned at same horizontal plane; The end of 2 steel structure girders puts in the below (at this moment, can control the steel structure girder that well sinking tilts and be located at the following 2.0m of caisson cutting edge, deck-molding 0.5m) of the borehole wall 5 of open caisson; Begin open caisson construction again, on well sinking to 2 steel structure girder [steel structure girder, steel structure column, castinplace pile constitute structural frame, because structural frame is leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control]; Suspend and carry out open caisson construction;
3) above-mentioned 2 steel structure girders (i.e. first steel structure girder 6, second steel structure girder 7) are unloaded from 4 steel structure columns, a last joint removal of 4 steel structure columns; Again 4 steel structure columns are dug out to the above-mentioned former 2.5m place, borehole wall below that drops on the open caisson on the steel structure girder, 2 steel structure girders will be stretched into the borehole wall below of open caisson draws out with the earthwork of lower part, 2 steel structure girders being fixedly mounted on 4 steel structure columns (can adopt welding or bolt to install again, steel structure girder adopts and is arranged in parallel), the upper surface of 2 steel structure girders is positioned at same horizontal plane, and the end of 2 steel structure girders puts in the borehole wall below of open caisson; Begin open caisson construction again, up to well sinking [because structural frame is leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control] to steel structure girder; Suspend and carry out open caisson construction;
4) repeating step 3), sink down into until the borehole wall lower end of open caisson till the design elevation of open caisson bottom; Remove steel structure girder, steel structure column (shed bolt, also can adopt cutting) then, build the open caisson bottom board concrete.
Because steel structure column is merogenesis segmentation employing bolt or is welded to connect, therefore, can carry out the merogenesis segmentation and so forth easily and set up steel structure girder, steel structure column and dismounting steel structure girder, steel structure column.
Embodiment 2:
Substantially the same manner as Example 1, difference is: earlier 4 steel structure columns are dug out the following 1.0m of soil layer upper surface that occurs the open caisson inclination to this easily; Again 4 steel structure columns are dug out to above-mentioned former (being under the caisson cutting edge) 1.0m place, borehole wall below that drops on the open caisson on the steel structure girder.Each open caisson 0.5m has all carried out leveling and control (deck-molding 0.5m) to open caisson.
Embodiment 3:
Substantially the same manner as Example 1, difference is: earlier 4 steel structure columns are dug out the following 1.5m of soil layer upper surface that occurs the open caisson inclination to this easily; Again 4 steel structure columns are dug out to the above-mentioned former 1.5m place, borehole wall below that drops on the open caisson on the steel structure girder.Each open caisson 1.0m has all carried out leveling and control (deck-molding 0.5m) to open caisson.
Embodiment 4:
Substantially the same manner as Example 1, difference is: earlier 4 steel structure columns are dug out the following 3.5m of soil layer upper surface that occurs the open caisson inclination to this easily; Again 4 steel structure columns are dug out to the above-mentioned former 3.5m place, borehole wall below that drops on the open caisson on the steel structure girder.Each open caisson 3.0m has all carried out leveling and control (deck-molding 0.5m) to open caisson.
Embodiment 5:
Substantially the same manner as Example 1, difference is: steel structure column is made up of 2 joint short columns.
Embodiment 6:
Substantially the same manner as Example 1, difference is: 10 castinplace piles of construction in open caisson, and steel structure column should be 10 mutually; Steel structure girder is 5.
Embodiment 7:
Substantially the same manner as Example 1, difference is: described steel structure column is made up of 20 joint short columns, adopts between short column and the short column to weld or bolt is connected; Behind well sinking 5 sections (layer), the brace summer on the steel structure column is removed, 5 joints are removed on the top of steel structure column, and then brace summer is installed; Begin open caisson construction again, and so forth.
Embodiment 8:
Substantially the same manner as Example 1, difference is: described brace summer adopts the reinforced concrete structure beam.
Embodiment 9:
Substantially the same manner as Example 1, difference is: the top of 4 castinplace piles is higher than the bottom design absolute altitude of open caisson, before building the open caisson bottom board concrete, removes the above castinplace pile of design elevation of open caisson bottom.
Embodiment 10:
As Fig. 4, shown in Figure 5, the method for precontrolling subsidence slant of sinking well, it comprises the steps:
1), steel structure column and steel pipe pile be structure as a whole (with steel pipe pile and steel structure column integrated construction); Before well sinking, elder generation is construction first steel pipe pile 10, second steel pipe pile 11, the 3rd steel pipe pile 12, the 4th steel pipe pile 13 in open caisson, 4 steel pipe piles are apart from the borehole wall 5 inner edge 0.5m distances uniform (clear distance), become 90 ° each other, the bottom of 4 steel pipe piles is positioned under the bottom design absolute altitude of open caisson, and the top of 4 steel pipe piles is positioned on the bottom design absolute altitude of open caisson; The top of 4 steel pipe piles is made up of 10 joint short steel pipes respectively, adopts bolt to be connected (as joint employing flange, by the bolt connection) between short steel pipes and the short steel pipes; Prepare 2 brace summers, brace summer adopts steel structure girder (elder generation is prefabricated, i.e. first steel structure girder 6, second steel structure girder 7);
2), occur soil layer (as weak soil, layer of sand or boulder bed etc.) that open caisson tilts easily before, suspend and carry out open caisson construction when open caisson construction enters; 4 steel pipe piles are dug out to this earlier and occur the following 2.5m of soil layer upper surface that open caisson tilts easily, with 2 steel structure girders (i.e. first steel structure girder 6, second steel structure girder 7) draw out with the earthwork of lower part the borehole wall below that will stretch into open caisson, 2 steel structure girders being fixedly mounted on 4 steel pipe piles (can adopt welding or bolt to install again, steel structure girder adopts and is arranged in parallel, first steel structure girder 6 is fixedly mounted on first steel pipe pile 10, on second steel pipe pile 11, second steel structure girder 7 is fixedly mounted on the 3rd steel pipe pile 12, on the 4th steel pipe pile 13), the upper surface of 2 steel structure girders is positioned at same horizontal plane; The end of 2 steel structure girders puts in the below (at this moment, can control the steel structure girder that well sinking tilts and be located at the following 2.0m of caisson cutting edge, deck-molding 0.5m) of the borehole wall 5 of open caisson; Begin open caisson construction again, on well sinking to 2 steel structure girder [steel structure girder, steel pipe pile constitute structural frame, because structural frame is leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control]; Suspend and carry out open caisson construction;
3) above-mentioned 2 steel structure girders (i.e. first steel structure girder 6, second steel structure girder 7) are unloaded from 4 steel pipe piles, a last joint removal of 4 steel pipe piles; Again 4 steel pipe piles are dug out to the above-mentioned former 2.5m place, borehole wall below that drops on the open caisson on the steel structure girder, 2 steel structure girders will be stretched into the borehole wall below of open caisson draws out with the earthwork of lower part, 2 steel structure girders being fixedly mounted on 4 steel pipe piles (can adopt welding or bolt to install again, steel structure girder adopts and is arranged in parallel), the upper surface of 2 steel structure girders is positioned at same horizontal plane, and the end of 2 steel structure girders puts in the borehole wall below of open caisson; Begin open caisson construction again, up to well sinking [because structural frame is leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control] to steel structure girder; Suspend and carry out open caisson construction;
4) repeating step 3), sink down into until the borehole wall lower end of open caisson till the design elevation of open caisson bottom; Remove steel structure girder then, (shed bolt, also can adopt cutting) removes the above steel pipe pile (can adopt cutting) of design elevation of open caisson bottom, builds the open caisson bottom board concrete at last.
Embodiment 11:
Substantially the same manner as Example 10, difference is: the top of first steel pipe pile 10, second steel pipe pile 11, the 3rd steel pipe pile 12, the 4th steel pipe pile 13 is made up of 2 joint short steel pipes respectively, adopt bolt to be connected (adopting flange as joint) between short steel pipes and the short steel pipes by the bolt connection.
Embodiment 12:
Substantially the same manner as Example 10, difference is: the top of first steel pipe pile 10, second steel pipe pile 11, the 3rd steel pipe pile 12, the 4th steel pipe pile 13 is made up of 20 joint short steel pipes respectively, adopt bolt to be connected (adopting flange as joint) between short steel pipes and the short steel pipes by the bolt connection.
Embodiment 13:
The method of precontrolling subsidence slant of sinking well, it comprises the steps:
1), in open caisson construction, predict can existing open caisson tilt before (as weak soil, layer of sand or boulder bed etc.), elder generation is construction first castinplace pile, second castinplace pile, the 3rd castinplace pile, the 4th castinplace pile, the 5th castinplace pile, the 6th castinplace pile in open caisson, 6 castinplace piles are arranged apart from borehole wall inner edge 1.0m (clear distance) distance, the bottom of 6 castinplace piles is positioned under the bottom design absolute altitude of open caisson, and the top of 6 castinplace piles is positioned at the bottom design absolute altitude of open caisson; Insert steel structure column (steel structure column is fixed on the top of castinplace pile, is respectively first steel structure column, second steel structure column, the 3rd steel structure column, the 4th steel structure column, the 5th steel structure column, the 6th steel structure column) then respectively at the top of 6 castinplace piles; Steel structure column is made up of 20 joint short columns, adopts bolt to be connected (as joint employing flange, by the bolt connection) between short column and the short column; Prepare 6 brace summers, brace summer adopts steel structure girder (elder generation is prefabricated, i.e. first steel structure girder, second steel structure girder, the 3rd steel structure girder, the 4th steel structure girder, the 5th steel structure girder, the 6th steel structure girder);
2), when open caisson construction will enter when occurring soil layer (as weak soil, layer of sand or boulder bed etc.) that open caisson tilts easily, suspend and carry out open caisson construction; 6 steel structure columns are dug out to this earlier and occur the following 2.5m of soil layer upper surface that open caisson tilts easily, 6 steel structure girders will be stretched into the borehole wall below of open caisson draws out with the earthwork of lower part, 6 steel structure girders being fixedly mounted on 6 steel structure columns (can adopt welding or bolt to install again, steel structure girder adopts the sphere of movements for the elephants type to arrange), the upper surface of 6 steel structure girders is positioned at same horizontal plane, the borehole wall below that the end of 6 steel structure girders puts in open caisson (at this moment, the upper surface that can control the steel structure girder that well sinking tilts is located at 2.0m below the caisson cutting edge, deck-molding 0.5m); Begin open caisson construction again, up to well sinking [steel structure girder, steel structure column, castinplace pile constitute structural frame, because structural frame is leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control] to steel structure girder; Suspend and carry out open caisson construction;
3) above-mentioned steel structure girder is unloaded from steel structure column; Again 6 steel structure columns are dug out to the above-mentioned former 2.5m place, borehole wall below that drops on the open caisson on the steel structure girder, 6 steel structure girders will be stretched into the borehole wall below of open caisson draws out with the earthwork of lower part, 6 steel structure girders being fixedly mounted on 6 steel structure columns (can adopt welding or bolt to install again, steel structure girder adopts the sphere of movements for the elephants type to arrange), the upper surface of 6 steel structure girders is positioned at same horizontal plane, and the end of 6 steel structure girders puts in the borehole wall below of open caisson; Begin open caisson construction again, up to well sinking [because structural frame is leveling, and open caisson drops on the structural frame of this level, and open caisson has been carried out leveling and control] to steel structure girder; Suspend and carry out open caisson construction;
4) repeating step 3), sink down into until the borehole wall lower end of open caisson till the bottom design absolute altitude of open caisson; Remove steel structure girder, steel structure column (shed bolt, also can adopt cutting) then, build the bottom board concrete of open caisson at last.
Claims (6)
1. the method for precontrolling subsidence slant of sinking well is characterized in that it comprises the steps:
1), predict before well sinking or in the open caisson construction can existing open caisson tilt before, 4～10 supporting piles of in open caisson, constructing, the bottom of supporting pile is positioned under the bottom design absolute altitude of open caisson; The fixing steel structure column respectively at the top of 4～10 supporting piles; Prefabricated 2～6 brace summers;
2), when open caisson construction enter soil layer that open caisson tilts appears easily and before, suspend and carry out open caisson construction; Earlier 4～10 steel structure columns are dug out to this and occur 1～3.5m below the soil layer upper surface that open caisson tilts easily, 2～6 brace summers will be stretched into the borehole wall below of open caisson draws out with the earthwork of lower part, again 2～6 brace summers are fixedly mounted on 4～10 steel structure columns, all brace summers are positioned at same horizontal plane, and the end of 2～6 brace summers puts in the borehole wall below of open caisson; Begin open caisson construction again, up to well sinking to brace summer; Suspend and carry out open caisson construction;
3) above-mentioned all brace summers are unloaded from steel structure column; Again 4～10 steel structure columns are dug out to the above-mentioned former 1～3.5m place, borehole wall below that drops on the open caisson on the brace summer, 2～6 brace summers will be stretched into the borehole wall below of open caisson draws out with the top of lower part, again 2～6 brace summers are fixedly mounted on 4～10 steel structure columns, 2～6 brace summers are positioned at same horizontal plane, and the end of 2～6 brace summers puts in the borehole wall below of open caisson; Begin open caisson construction again, up to well sinking to brace summer; Suspend and carry out open caisson construction;
4) repeating step 3), sink down into until the borehole wall lower end of open caisson till the bottom design absolute altitude of open caisson; Remove brace summer then, steel structure column, supporting pile on the bottom design absolute altitude of dismounting open caisson.
2. the method for precontrolling subsidence slant of sinking well according to claim 1 is characterized in that: described steel structure column is made up of 2～20 joint short columns, adopts between short column and the short column to weld or bolt is connected; Behind 2～10 sections of well sinkings, the brace summer on the steel structure column is removed, 2～10 joints are removed on the top of steel structure column, and then brace summer is installed; Begin open caisson construction again, and so forth.
3. the method for precontrolling subsidence slant of sinking well according to claim 1, it is characterized in that: described supporting pile is a castinplace pile, the castinplace pile of constructing in open caisson earlier; Insert steel structure column at the top of castinplace pile then, the bottom of steel structure column is fixed on the top of castinplace pile.
4. the method for precontrolling subsidence slant of sinking well according to claim 1, it is characterized in that: described supporting pile is a steel pipe pile, steel structure column and steel pipe pile are structure as a whole.
5. the method for precontrolling subsidence slant of sinking well according to claim 1, it is characterized in that: described brace summer is a steel structure girder.
6. the method for precontrolling subsidence slant of sinking well according to claim 1, it is characterized in that: described brace summer is the reinforced concrete structure beam.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010121519A1 (en) * | 2009-04-24 | 2010-10-28 | Ding Cixin | Inner support pile for supporting sinking well structure during construction |
| CN102995649A (en) * | 2012-12-04 | 2013-03-27 | 中国一冶集团有限公司 | Method for levelling inclination of open caisson in grading and layer-by-layer manner |
| CN107620313A (en) * | 2017-11-15 | 2018-01-23 | 扬州市江都永坚有限公司 | Static pressure open caisson device |
| 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 |
| 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 |
| CN113863348A (en) * | 2021-11-23 | 2021-12-31 | 中国二十冶集团有限公司 | Open caisson construction method |
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2009
- 2009-03-10 CN CN2009100610745A patent/CN101509258B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010121519A1 (en) * | 2009-04-24 | 2010-10-28 | Ding Cixin | Inner support pile for supporting sinking well structure during construction |
| CN101565946B (en) * | 2009-04-24 | 2010-12-29 | 丁慈鑫 | Internal supporting pile for supporting sinking well structure in construction of sinking wells |
| CN102995649A (en) * | 2012-12-04 | 2013-03-27 | 中国一冶集团有限公司 | Method for levelling inclination of open caisson in grading and layer-by-layer manner |
| CN102995649B (en) * | 2012-12-04 | 2014-11-12 | 中国一冶集团有限公司 | Method for levelling inclination of open caisson in grading and layer-by-layer manner |
| CN107620313A (en) * | 2017-11-15 | 2018-01-23 | 扬州市江都永坚有限公司 | Static pressure open caisson device |
| CN107620313B (en) * | 2017-11-15 | 2022-12-23 | 扬州市江都永坚有限公司 | Static pressure open caisson device |
| 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 |
| 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 |
| CN113863348A (en) * | 2021-11-23 | 2021-12-31 | 中国二十冶集团有限公司 | Open caisson construction method |
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| CN101509258B (en) | 2012-06-13 |
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