CN109610493A - Correct the construction method of open caisson center deviation - Google Patents
Correct the construction method of open caisson center deviation Download PDFInfo
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- CN109610493A CN109610493A CN201811635357.1A CN201811635357A CN109610493A CN 109610493 A CN109610493 A CN 109610493A CN 201811635357 A CN201811635357 A CN 201811635357A CN 109610493 A CN109610493 A CN 109610493A
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- open caisson
- construction
- deviation
- deflection
- sinking
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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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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of construction methods for correcting open caisson center deviation, it is related to Open caisson construction technology field, comprise steps of determining that the times N of correction sinking construction calculates the deflection of each sinking construction with the times N of construction, open caisson planar central line deviation D and open caisson peripheral wall length L；According to the deflection of each sinking construction, successively sinks to the open caisson side far from and close to open caisson target's center line, complete a sinking construction；N times sinking construction is executed, is overlapped open caisson plane centreline with open caisson target's center line.The present invention makes open caisson accurately correct open caisson center deviation during sinking construction, and rectifying effect is good, and the construction time is short.
Description
Technical field
The present invention relates to Open caisson construction technology fields, and in particular to a kind of construction method for correcting open caisson center deviation.
Background technique
Well foundation is since rigidity is big, easy construction, is widely used in science of bridge building field.According to open caisson pier position from
Right condition can be divided into land sunk well and two kinds of waters open caisson.Land sunk well construction, is first to make caisson structure on the ground, reaches
Soil is taken after design strength in wellhole, open caisson overcomes end resistance and side frictional resistance by self gravity, constantly sinks in place
Construction technology.Waters open caisson construction manufactures machine-shaping in factory first, is then lauched at transportation by driving to pier position, then positions
Bed, open caisson overcome buoyancy, end resistance and side frictional resistance by being self-possessed and borehole wall concrete being perfused, construction in place of constantly sinking
Technique.
Since various factors inevitably generates center deviation when open caisson construction, if reasonable correction is not taken to arrange
It applies, deviation may exceed feasible value；If control is improper, correction is also easy to exceed the proper limits in righting a wrong, and extends the construction period.
Summary of the invention
In view of the deficiencies in the prior art, applying for open caisson center deviation is corrected the purpose of the present invention is to provide a kind of
Work method corrects open caisson center deviation during caisson sinking construction, and rectifying effect is good, and the construction time is short.
To achieve the above objectives, the technical solution adopted by the present invention is that: it is a kind of correct open caisson center deviation construction method,
The following steps are included:
The times N of correction sinking construction is determined, with the times N of construction, open caisson planar central line deviation D and open caisson outer wall
Length L calculates the deflection of each sinking construction；
According to the deflection of each sinking construction, successively sink to the open caisson side far from and close to open caisson target's center line,
Complete a sinking construction；
N times sinking construction is executed, is overlapped open caisson plane centreline with open caisson target's center line.
Based on the above technical solution, described with the times N of construction, open caisson planar central line deviation D and open caisson
Peripheral wall length L calculates the deflection of each sinking construction, and calculation formula is as follows:
Wherein, DiIndicate the deflection of each sinking construction, unit mm；L indicates open caisson peripheral wall length, unit mm；D is indicated
Total deviation amount of open caisson planar central deviation, unit mm；N indicates the number of correction sinking construction.
Based on the above technical solution, the deflection of each sinking construction of the basis, first to far from open caisson target
The open caisson side of center line carries out a sinking construction, comprising the following steps:
Using the lower end close to the open caisson side of open caisson center line as fulcrum, it is rotated down open caisson, is made far from open caisson target's center
The open caisson side of line moves down the deflection of calculating.
Based on the above technical solution, the deflection of each sinking construction of the basis, after to close to open caisson target
The open caisson side of center line carries out a sinking construction, comprising the following steps:
Using the lower end of the open caisson side far from open caisson center line as fulcrum, it is rotated down open caisson, is made close to open caisson target's center
The open caisson side of line moves down the deflection of calculating.
Based on the above technical solution, open caisson is made to sink to side using the measure of ballast or suction mud.
Based on the above technical solution, rectify a deviation sinking construction times N be 6.
Compared with the prior art, the advantages of the present invention are as follows: the construction method of correction open caisson center deviation of the invention, in advance
It first determines construction times, the deflection constructed every time is calculated according to construction times, entangles open caisson accurately during sinking construction
Positive open caisson center deviation, rectifying effect is good, and the construction time is short.
Detailed description of the invention
Fig. 1 is the schematic diagram that the construction method of open caisson center deviation is corrected in the embodiment of the present invention；
Fig. 2 is the signal for carrying out a sinking construction in the embodiment of the present invention to the open caisson side far from open caisson target's center line
Figure；
Fig. 3 is the signal in the embodiment of the present invention to a sinking construction is carried out close to the open caisson side of open caisson target's center line
Figure；
In figure: 1- open caisson, 2- open caisson plane centreline, 3- open caisson target's center line, 4- bedding.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Embodiment one
Shown in Figure 1, the embodiment of the present invention provides a kind of construction method for correcting open caisson center deviation, including following step
It is rapid:
Step S1, determine correction sinking construction times N, with the times N of construction, open caisson planar central line deviation D and
Open caisson peripheral wall length L, calculates the deflection of each sinking construction.Wherein, when open caisson is circular open caisson, length L indicates open caisson
The diameter of outer wall, when open caisson is rectangular open caisson, length L indicates the side length of open caisson outer wall.
Specifically, the deflection of each sinking construction can be calculated as follows:
Wherein, DiIndicate the deflection of each sinking construction, unit mm；L indicates open caisson peripheral wall length, unit mm；D is indicated
Total deviation amount of open caisson planar central deviation, unit mm；N indicates the number of correction sinking construction.Open caisson planar central deviation
Total deviation amount D and open caisson peripheral wall length can be obtained by measuring tool.It is counted according to the performance requirement of construction equipment and duration
It draws, determines correction cycle-index N.
Step S2 first sinks to the open caisson side far from open caisson target's center line according to the deflection of each sinking construction, after
Sink to close to the open caisson side of open caisson target's center line, completes a sinking construction.
Specifically, shown in Figure 2, using the lower end close to the open caisson side of open caisson center line as fulcrum, it is rotated down open caisson,
The open caisson side far from open caisson target's center line is set to move down the deflection of calculating.It is shown in Figure 3, far from open caisson center line
The lower end of open caisson side be fulcrum, be rotated down open caisson, the open caisson side close to open caisson target's center line made to move down calculating
Deflection.
Step S3 executes n times sinking construction, is overlapped open caisson plane centreline with open caisson target's center line.
Compared with prior art, the construction method of the correction open caisson center deviation in the embodiment of the present invention, predefines and applies
Work number calculates the deflection constructed every time according to construction times, so that open caisson accurately corrects open caisson during sinking construction
Center deviation, rectifying effect is good, and the construction time is short.
Embodiment two
Step S1 determines the times N of correction sinking construction, and the times N of optional correction sinking construction is 6, with time of construction
Number N, open caisson planar central line deviation D and open caisson peripheral wall length L, calculate the deflection of each sinking construction.
Specifically, the deflection of each sinking construction can be calculated as follows:
Wherein, DiIndicate the deflection of each sinking construction, unit mm；L indicates open caisson peripheral wall length, unit mm；D is indicated
Total deviation amount of open caisson planar central deviation, unit mm.The total deviation amount D and open caisson peripheral wall length of open caisson planar central deviation
It can be obtained by measuring tool.
Step S2 first sinks to the open caisson side far from open caisson target's center line according to the deflection of each sinking construction, after
Sink to close to the open caisson side of open caisson target's center line, completes a sinking construction.
Specifically, shown in Figure 2, using the lower end close to the open caisson side of open caisson center line as fulcrum, it is rotated down open caisson,
The open caisson side far from open caisson target's center line is set to move down the deflection of calculating.It is shown in Figure 3, far from open caisson center line
The lower end of open caisson side be fulcrum, be rotated down open caisson, the open caisson side close to open caisson target's center line made to move down calculating
Deflection.
Step S3 executes 6 sinking constructions, is overlapped open caisson plane centreline with open caisson target's center line.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (6)
1. a kind of construction method for correcting open caisson center deviation, which comprises the following steps:
The times N of correction sinking construction is determined, with the times N of construction, open caisson planar central line deviation D and open caisson peripheral wall length
L calculates the deflection of each sinking construction；
According to the deflection of each sinking construction, successively sinks to the open caisson side far from and close to open caisson target's center line, complete
Sinking construction；
N times sinking construction is executed, is overlapped open caisson plane centreline with open caisson target's center line.
2. correct the construction method of open caisson planar central deviation as described in claim 1, which is characterized in that described with construction
Times N, open caisson planar central line deviation D and open caisson peripheral wall length L, calculate the deflection of each sinking construction, calculation formula
It is as follows:
Wherein, DiIndicate the deflection of each sinking construction, unit mm；L indicates open caisson peripheral wall length, unit mm；D indicates open caisson
Total deviation amount of planar central deviation, unit mm；N indicates the number of correction sinking construction.
3. correcting the construction method of open caisson center deviation as described in claim 1, which is characterized in that the basis is sunk every time
The deflection of construction first carries out a sinking construction to the open caisson side far from open caisson target's center line, comprising the following steps:
Using the lower end close to the open caisson side of open caisson center line as fulcrum, it is rotated down open caisson, is made far from open caisson target's center line
Open caisson side moves down the deflection of calculating.
4. correcting the construction method of open caisson center deviation as described in claim 1, which is characterized in that the basis is sunk every time
The deflection of construction, after to close to open caisson target's center line open caisson side carry out a sinking construction, comprising the following steps:
Using the lower end of the open caisson side far from open caisson center line as fulcrum, it is rotated down open caisson, is made close to open caisson target's center line
Open caisson side moves down the deflection of calculating.
5. correcting the construction method of open caisson center deviation as described in claim 1, it is characterised in that: using ballast or inhale mud
Measure make open caisson to side sink.
6. correcting the construction method of open caisson center deviation as described in claim 1, it is characterised in that: time for sinking construction of rectifying a deviation
Number N is 6.
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| CN201811635357.1A CN109610493A (en) | 2018-12-29 | 2018-12-29 | Correct the construction method of open caisson center deviation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319408A (en) * | 2022-01-13 | 2022-04-12 | 中铁大桥局集团有限公司 | Construction method for correcting open caisson |
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| CN201065505Y (en) * | 2007-07-10 | 2008-05-28 | 宏润建设集团股份有限公司 | Box culvert error-correcting device |
| JP2014077282A (en) * | 2012-10-10 | 2014-05-01 | Toshikazu Kodera | Caisson method |
| CN105173015A (en) * | 2015-09-21 | 2015-12-23 | 中铁大桥局集团第四工程有限公司 | Positioning ship and method for assisting in sinking and positioning of steel open caisson thereof |
| CN106245653A (en) * | 2016-08-09 | 2016-12-21 | 岩土科技股份有限公司 | A kind of vertical mud and water balance construction method |
| CN108005134A (en) * | 2017-12-15 | 2018-05-08 | 晋城市建筑工程总公司长治加固分公司 | A kind of construction method for saw cuts formula rectification building of restricting |
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2018
- 2018-12-29 CN CN201811635357.1A patent/CN109610493A/en active Pending
Patent Citations (5)
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| CN201065505Y (en) * | 2007-07-10 | 2008-05-28 | 宏润建设集团股份有限公司 | Box culvert error-correcting device |
| JP2014077282A (en) * | 2012-10-10 | 2014-05-01 | Toshikazu Kodera | Caisson method |
| CN105173015A (en) * | 2015-09-21 | 2015-12-23 | 中铁大桥局集团第四工程有限公司 | Positioning ship and method for assisting in sinking and positioning of steel open caisson thereof |
| CN106245653A (en) * | 2016-08-09 | 2016-12-21 | 岩土科技股份有限公司 | A kind of vertical mud and water balance construction method |
| CN108005134A (en) * | 2017-12-15 | 2018-05-08 | 晋城市建筑工程总公司长治加固分公司 | A kind of construction method for saw cuts formula rectification building of restricting |
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| CN114319408A (en) * | 2022-01-13 | 2022-04-12 | 中铁大桥局集团有限公司 | Construction method for correcting open caisson |
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Application publication date: 20190412 |