CN101666097A - Positioning settlement method of large steel suspension box or sinking well - Google Patents
Positioning settlement method of large steel suspension box or sinking well Download PDFInfo
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- CN101666097A CN101666097A CN200910063430A CN200910063430A CN101666097A CN 101666097 A CN101666097 A CN 101666097A CN 200910063430 A CN200910063430 A CN 200910063430A CN 200910063430 A CN200910063430 A CN 200910063430A CN 101666097 A CN101666097 A CN 101666097A
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Abstract
The invention discloses a positioning settlement method of a large steel suspension box or sinking well, which comprises the following steps: firstly, respectively connecting two ends of a cable rotating floating crane with an upstream anchorage pier and a downstream anchorage pier through cables and positioning; secondly, respectively connecting an upstream pull cable and a downstream pull cablewhich are used for positioning a steel suspension box and pass through between the upstream anchorage pier and the downstream anchorage pier with two ends of the floating crane; thirdly, moving the steel suspension box to be connected with the floating carne; fourthly, rotating the cables: transferring the upstream pull cable which is used for positioning the steel suspension box and is arranged between the upstream anchorage pier and the cable rotating floating crane to a positioning point for positioning the steel suspension box from the cable rotating floating crane, transferring the downstream pull cable which is used for positioning the steel suspension box and is arranged between the downstream anchorage pier and the cable rotating floating crane to a positioning point for positioning the steel suspension box from the cable rotating floating crane, moving the cable rotating floating crane and positioning the steel suspension box to be put in place, and realizing the positioning of the large steel suspension box or open caisson. By adopting the positioning anchor pier process, the invention can solve the problem of the instability of a ship, increase the rigidity of the positioning system, and ensure the sinking accuracy of the steel suspension box or open caisson.
Description
Technical field
The invention belongs to the technology job practices of bridge, be specifically related to a kind of large steel suspension box or open caisson positioning sinking process.
Background technology
At present for steel box or steel open caisson on the Changjiang river, generally adopt station keeping ship and anchoring system to locate.But a large amount of positioning anchor of this arts demand comes interim stationary positioned ship, and station keeping ship technology is subjected to water level of yangtze river and passing ships to influence increasing, can produce up and down or swings, and great difficulty is brought in these accurate location to the steel box.
Summary of the invention
The object of the present invention is to provide a kind of upstream anchor pier and downstream anchor pier of utilizing to realize large steel suspension box or open caisson positioning sinking process, to address the above problem.
Technical scheme of the present invention is: large steel suspension box or open caisson positioning sinking process, it at first is that commentaries on classics cable crane barge two ends are connected location with the upstream anchor pier with the downstream anchor pier by hawser respectively, will draw cable and downstream to draw cable to be connected with the crane barge two ends respectively by the upstream that is used to locate the steel box between upstream anchor pier and the downstream anchor pier then; Transferring the steel box is connected with crane barge; Change cable then: with the upstream anchor pier and change the upstream that is used to locate the steel box between the cable crane barge and draw cable to be transferred to location steel box anchor point from changeing the cable crane barge, with the downstream anchor pier and change the downstream that is used to locate the steel box between the cable crane barge and draw cable to be transferred to location steel box anchor point from changeing the cable crane barge, move commentaries on classics cable crane barge and put in place, realize the location of large steel suspension box or open caisson location with location steel box.
Described commentaries on classics cable crane barge two ends are connected the location by hawser and upstream anchor pier respectively with the downstream anchor pier: crane barge travels to La Dun forward position, upstream, and two hawsers of dishing out tie up to the upstream respectively and draw on the column of pier, forms cross lines; Crane barge moves to downstream location pier forward position, and two hawsers of dishing out tie up to respectively on the column of downstream location pier, forms cross lines.
Describedly will draw cable and downstream to draw cable to comprise with the method for attachment of crane barge two ends respectively: after crane barge and downstream location pier are cross lines, to be drop-down cable A again between crane barge and downstream location pier by the upstream that is used to locate the steel box between upstream anchor pier and the downstream anchor pier
Down, L
Down, form cross lines; The owner draws cable B between crane barge and the downstream location pier
DownWith the main cable J that draws
Down, form " eight " word cable; Between crane barge and located upstream pier drop-down cable A
OnWith drop-down cable L
On, the main cable E that draws
OnWith the main cable H that draws
On, form cross lines.
Before transferring the steel box and crane barge is connected, on crane barge and/or downstream anchor pier, cast the anchor hawser that is used to locate the steel box.
Will by the upstream that is used to locate the steel box between upstream anchor pier and the downstream anchor pier draw cable and downstream draw cable respectively and the method for attachment of crane barge two ends also comprise: between crane barge and upstream anchor pier, fasten the main cable F that draws temporarily
On, G
On
Adopt location anchor pier technology, not only can solve the unstability of boats and ships, and increase navigation system rigidity, guarantee steel box or well sinking precision.
Description of drawings
Fig. 1 upstream anchor pier and downstream anchor pier and steel box positioning states schematic diagram.
Fig. 2～Figure 10 large steel suspension box location working drawing.
Figure 11 downstream anchor pier draws cable heaving pile distribution map.
Figure 12 upstream anchor pier draws cable heaving pile distribution map.
The specific embodiment
By upstream anchor pier and downstream anchor pier to the location of large steel suspension box as shown in Figure 1, upstream anchor pier 100 is connected with large steel suspension box 400 by drawing cable, and downstream anchor pier 300 is connected the location that is embodied as large steel suspension box by drawing cable with large steel suspension box 400.
Respectively arrange 2 JB10A hoist engines and 10 JM5 hoist engines on upstream anchor pier 100 and the downstream anchor pier 300, wherein the JB10A hoist engine is arranged in that both sides are used to cross cable and to the stretch-draw of part hawser.
Symmetry is respectively arranged 10 5t hoist engines and 2 10t hoist engines on upstream anchor pier 100 and downstream anchor pier 300 platforms, and side anchor cable and cross lines and the main cable correspondence position that draws are arranged the 5t hoist engine, and drop-down cable correspondence position is arranged the 10t hoist engine.Every hoist engine configuration 1 cover tackle pulley is connected tackle pulley with wire rope with hoist engine.Stressed in order to monitor every hoist engine, guarantee safety, at the terminal tensiometer of installing of every cover tackle pulley.
Steel box Primary Location
1, crane barge is in place: the crane barge fore draws the about 65.0m of pier platform apart from the upstream, and suitable river is to center line and the direction across bridge dead in line of pier position.
Crane barge travels to La Dun forward position, upstream, and two hawsers of dishing out tie up to the upstream respectively and draw on the column of pier guiding bealock, form cross lines.
It is in place to move to assigned address on the crane barge, as shown in Figure 2.
Hawser is crossed to crane barge
Utilize tender to cross the upstream and draw the drop-down cable A of pier
OnAnd L
On, the main cable E that draws
OnAnd H
OnTo crane barge, form cross lines: drop-down cable A
OnWith the main cable E that draws
OnTie up on the side bollard of the south of the River drop-down cable L
OnWith the main cable H that draws
OnTie up on the side bollard of the north of the Changjiang River.As shown in Figure 3.
Throw steel box side anchor, examination is drawn, and finish Shang Ladun and connect the box hawser and cross cable
According to calculating upstream anchor pier 100 and steel box side anchor is thrown in anchor pier 300 side anchor anchor positions in downstream in the pinpoint plan-position of steel box: on draw pier one-sided three side anchors be respectively 5 °, 10 °, 15 ° along bridge to axis angle (counterclockwise), the downstream is drawn one-sided 1 side anchor of pier and is respectively 1 ° with suitable bridge to axis angle (clockwise), and anchor hawser is 180m (containing anchor chain 100m).
Cast anchor according to north side behind the first southern side, by on swim over to the downstream, cast anchor.Every hawser is corresponding heaving pile point on interim station keeping ship, and every hawser ties up on the station keeping ship tether point phase when casting anchor.
6 side anchors of steel box upstream side try to draw on crane barge, and pulling force is controlled at 30t, after examination pulls the side anchor cable are tied up on the bollard of interim station keeping ship (crane barge) temporarily; 2 side anchors in steel box downstream directly utilize the hoist engine of drop-down pier and tackle pulley to try to draw, and pulling force is controlled at 30t, after examination pulls the side anchor cable are tied up to the downstream temporarily and draw on the guiding bealock of pier.As shown in Figure 4.
In the process of casting anchor,, make that anchor chain is straight to lie low on the riverbed to the prestretching that casts anchor, evenly stressed.North and south side symmetry stretch-draw during prestretching.
Cross cable
Utilize tender that the main cable F that draws on the pier is drawn in the upstream
On, G
OnSpend to crane barge and also fasten temporarily.
Crane barge south of the River side ship side is concordant substantially with the anchor pier platform south of the River, downstream lateral edges, and stern prepares to connect the steel box apart from the about 20m of drop-down pier platform.As shown in Figure 5.
Steel box transportation by driving to on-the-spot, steel box leans on crane barge, heaving pile
The dynamical system transportation by driving that the steel box is formed by tugboat organizational systems (group's top mode) is extremely on-the-spot.Mooring line on the crane barge transferred on the steel box and according to reference numeral fasten, tugboat is organized into groups again.As shown in Figure 6.
The steel box is by crane barge
Tugboat after organizing into groups is again untied mooring line, by the acting in conjunction of tugboat group the north of the Changjiang River, steel box upstream side is leaned on crane barge (in place substantially along the bridge), is 3 mooring lines (are the crane barge mooring line downstream from the upstream).
Change the cable heaving pile
The cable that draws on the crane barge is transferred on the steel box.
That fastens the trip anchor pier draws cable (all being upstream side), and order is followed successively by main cable: the F that draws
On(the main cable that draws) is the corresponding heaving pile point of steel box, G
On(the main cable that draws) is the corresponding heaving pile point of steel box; Side anchor cable: B
On(side anchor cable) is the corresponding heaving pile point of steel box, K
On(side anchor cable) is the corresponding heaving pile point of steel box, C
On(side anchor cable) is the corresponding heaving pile point of steel box, J
On(side anchor cable) is the corresponding heaving pile point of steel box, D
On(side anchor cable) is the corresponding heaving pile point of steel box, I
On(side anchor cable) is the corresponding heaving pile point of steel box; Main cable: the E that draws
On(the main cable that draws) is the corresponding heaving pile point of steel box, H
On(the main cable that draws) is the corresponding heaving pile point of steel box;
That fastens the trip anchor pier draws cable (temporarily all being the downstream), and order is followed successively by the main cable C that draws
DownBe the corresponding heaving pile point of steel box, cross lines I
DownIt is the corresponding heaving pile point of steel box.Change cable as 7, the upstream and downstream anchor pier draws cable such as Figure 11,12.301-hoist engine among Figure 11; 101-hoist engine 102-pulling force frame 103-fixed block group 104-fly block group among Figure 12
The positioning of steel box
After above-mentioned hawser was fastened, tugboat progressively stopped, and observed the stability and the cable stress situation of steel box, and tugboat progressively gets out of the way under the safe situation to be determined.Utilize location pier system that the steel box is transposed.Must assurance in the positioning process respectively draw the cable folding and unfolding (to receive hawser above the steel box, put the hawser above the crane barge, steel box and crane barge move in the same way) yardstick is consistent, make hawser stressed all the time evenly, prevent from that box from producing significantly to rock that especially inertia rocks.In steel box positioning process, progressively draw cable to move on the steel box part on the drop-down pier.
A. utilize the upstream anchor pier draw cable with the steel box against crane barge to north of the Changjiang River side shifting.
B. as steel box downstream heaving pile point h and downstream anchor pier bealock H
DownSubstantially when same straight line, with downstream anchor pier cross lines H
DownCross to the steel box and fasten: (cross lines) H
DownHeaving pile point h.
C. as steel box downstream heaving pile point j and the drop-down cable L of downstream anchor pier
DownBealock substantially when same straight line, with cross lines D
Down, E
DownBe transferred on the crane barge: D
Down(cross lines) heaving pile point i, E
Down(cross lines) heaving pile point j; As shown in Figure 8.
It is tentatively in place to utilize anchor hawser on the anchor pier that the steel box is transferred to direction across bridge, hangs downstream anchor pier master and draws the drop-down cable of cable, cross lines and upstream and downstream, continues to adjust the steel box, makes the horizontal longitudinal axis basically identical of its horizontal vertical two axis and main pier, shown in Fig. 9,10.
After steel box Primary Location, remaining hawser on crane barge or the anchor pier all is transferred on the steel box: fasten the drop-down cable of Shang Ladun; Fasten drop-down pier master and draw cable, drop-down cable, the cross lines with drop-down pier is transferred on mouthful corresponding heaving pile point of top by root then.Untie the crane barge mooring line, crane barge leaves the steel box.
The steel box is accurately located
Method is taked dynamically to control in steel box location, sinks to carrying out synchronously with the water filling of steel box.At first utilize the cable that draws on the anchorage system all directions steel steel box to be carried out the adjustment location of plan-position; The water injection rate of each separation is adjusted or adjusted to the verticality of steel box by a drop-down cable is assisted adjustment steel box verticality then.
The steel box is accurately located
After the water filling of steel box is sunk, actual measurement steel box plane torsion, displacement and perpendicularity deviation, evenly folding and unfolding adjustment master draws cable, side anchor cable (cross lines), order is adjusted box plane torsion deviation, vertical direction across bridge position, evenly adjust drop-down cable and assist the interior water filling of double-walled to adjust the box verticality, make steel box plan-position, absolute altitude, verticality and draw cable power all to adhere to specification, realize accurately location.The axial coordinate plane error requires to be controlled within the 7cm, simultaneously the swing situation is measured and is controlled.
The control of steel box swing
Adjust by the anchor hawser system, the particularly adjustment of side anchor cable (cross lines), realize the plane positioning and the swing control of steel box, amplitude of fluctuation is controlled at 20cm with after interior, continue the x that tracking measurement steel bushing case axis causes because of current and wave etc., the y axle curve of cyclical fluctuations is to determine the Optimal Error value of sinking steel protecting canister.
The plan-position of steel bushing case and the adjustment of verticality
Adjust the side anchor cable, the plan-position that steel box bridge is axial; Adjust the location draw pier on draw the default drop-down cable of cable and steel box bottom, the plan-position that steel box cross-bridges is axial; With the master that is adjusted into of drop-down cable, with the part of head difference in the separation, be adjusted into auxilliaryly on a small quantity, steel box cross-bridges axially and the axial verticality of bridge.Steel box verticality is controlled in 1/100.
After the steel box was accurately located, sinking steel casing was treated 22 sinking steel protecting canisters behind design attitude, the fixed work of beginning steel casing and steel box, i.e. system conversion work.
Claims (6)
1, a kind of large steel suspension box or open caisson positioning sinking process, it at first is that commentaries on classics cable crane barge two ends are connected location with the upstream anchor pier with the downstream anchor pier by hawser respectively, will draw cable and downstream to draw cable to be connected with the crane barge two ends respectively by the upstream that is used to locate the steel box between upstream anchor pier and the downstream anchor pier then; Transferring the steel box is connected with crane barge; Change cable then: with the upstream anchor pier and change the upstream that is used to locate the steel box between the cable crane barge and draw cable to be transferred to location steel box anchor point from changeing the cable crane barge, with the downstream anchor pier and change the downstream that is used to locate the steel box between the cable crane barge and draw cable to be transferred to location steel box anchor point from changeing the cable crane barge, move commentaries on classics cable crane barge and put in place, realize the location of large steel suspension box or open caisson location with location steel box.
2, large steel suspension box or open caisson positioning sinking process according to claim 1, it is characterized in that described commentaries on classics cable crane barge two ends are connected the location by hawser and upstream anchor pier respectively and are with the downstream anchor pier: crane barge travels to La Dun forward position, upstream, two hawsers of dishing out tie up to the upstream respectively and draw on the column of pier, form cross lines; Crane barge moves to downstream location pier forward position, and two hawsers of dishing out tie up to respectively on the column of downstream location pier, forms cross lines.
3, large steel suspension box or open caisson positioning sinking process according to claim 1, it is characterized in that and to draw cable and downstream to draw cable to comprise with the method for attachment of crane barge two ends respectively by the upstream that is used to locate the steel box between upstream anchor pier and the downstream anchor pier: after crane barge and downstream location pier are cross lines, be drop-down cable A again between crane barge and downstream location pier
Down, L
Down, form cross lines; The owner draws cable B between crane barge and the downstream location pier
DownWith the main cable J that draws
Down, form " eight " word cable; Between crane barge and located upstream pier drop-down cable A
OnWith drop-down cable L
On, the main cable E that draws
OnWith the main cable H that draws
On, form cross lines.
4, large steel suspension box or open caisson positioning sinking process according to claim 1 is characterized in that casting the anchor hawser that is used to locate the steel box on crane barge and/or downstream anchor pier before transferring the steel box and crane barge is connected.
5, as large steel suspension box or open caisson positioning sinking process as described in the claim 4, it is characterized in that on crane barge, casting steel box upstream side side anchor cable, the side anchor cable is tied up on the bollard of crane barge after drawing stressed the finishing of examination temporarily; Steel box downstream side anchor cable directly casts on the anchor pier of downstream, draws and tries after stressed the finishing the side anchor cable to be tied up on the anchor pier of downstream temporarily.
6, large steel suspension box or open caisson positioning sinking process according to claim 1, it is characterized in that with draw by the upstream that is used to locate the steel box between upstream anchor pier and the downstream anchor pier cable and downstream draw cable respectively and the method for attachment of crane barge two ends also comprise: between crane barge and upstream anchor pier, fasten the main cable F that draws temporarily
On, G
On
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910063430 CN101666097B (en) | 2009-08-04 | 2009-08-04 | Positioning settlement method of large steel suspension box or sinking well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910063430 CN101666097B (en) | 2009-08-04 | 2009-08-04 | Positioning settlement method of large steel suspension box or sinking well |
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| CN101666097A true CN101666097A (en) | 2010-03-10 |
| CN101666097B CN101666097B (en) | 2011-10-26 |
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| CN 200910063430 Expired - Fee Related CN101666097B (en) | 2009-08-04 | 2009-08-04 | Positioning settlement method of large steel suspension box or sinking well |
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Cited By (10)
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| CN101787703A (en) * | 2010-03-17 | 2010-07-28 | 中国二十二冶集团有限公司 | Sinking construction method of sinking well with geology of gravel and pebble beds under saturated water condition |
| CN102108710A (en) * | 2010-12-30 | 2011-06-29 | 中铁大桥局集团第二工程有限公司 | Method for stopping horizontal oscillation in large-scale steel open caisson construction |
| CN102953391A (en) * | 2012-10-27 | 2013-03-06 | 山东港湾建设集团有限公司 | Rectangular caisson lifting and launching device and method |
| CN104631481A (en) * | 2014-12-26 | 2015-05-20 | 中铁大桥局集团有限公司 | Mooring positioning device for open caisson and construction method of mooring positioning device |
| CN104988940A (en) * | 2015-05-19 | 2015-10-21 | 中铁大桥局集团有限公司 | Guiding method and device used for positioning steel open caisson |
| 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 |
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| CN107130623A (en) * | 2017-06-19 | 2017-09-05 | 中铁大桥局集团有限公司 | A kind of combined type anchor pier locating system and method for open caisson waterborne |
| CN112609585A (en) * | 2020-12-18 | 2021-04-06 | 中铁大桥局集团第四工程有限公司 | Cable construction method suitable for positioning overwater large-sized steel open caisson |
| CN117127640A (en) * | 2023-10-25 | 2023-11-28 | 中铁四局集团第二工程有限公司 | Intelligent regulation and control method, equipment and system for sinking cables in sinking well positioning |
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| CN1186502C (en) * | 2003-06-27 | 2005-01-26 | 中铁大桥局集团有限公司 | Method for positioning floatation transported heavy anchor of steel caisson of deep underwater foundation of bridge |
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| CN101787703A (en) * | 2010-03-17 | 2010-07-28 | 中国二十二冶集团有限公司 | Sinking construction method of sinking well with geology of gravel and pebble beds under saturated water condition |
| CN102108710A (en) * | 2010-12-30 | 2011-06-29 | 中铁大桥局集团第二工程有限公司 | Method for stopping horizontal oscillation in large-scale steel open caisson construction |
| CN102108710B (en) * | 2010-12-30 | 2012-07-04 | 中铁大桥局集团第二工程有限公司 | Method for stopping horizontal oscillation in large-scale steel open caisson construction |
| CN102953391A (en) * | 2012-10-27 | 2013-03-06 | 山东港湾建设集团有限公司 | Rectangular caisson lifting and launching device and method |
| CN102953391B (en) * | 2012-10-27 | 2015-04-29 | 山东港湾建设集团有限公司 | Rectangular caisson lifting and launching device and method |
| CN104631481B (en) * | 2014-12-26 | 2016-08-31 | 中铁大桥局集团有限公司 | A kind of open caisson mooring positioning device and construction method thereof |
| CN104631481A (en) * | 2014-12-26 | 2015-05-20 | 中铁大桥局集团有限公司 | Mooring positioning device for open caisson and construction method of mooring positioning device |
| CN104988940A (en) * | 2015-05-19 | 2015-10-21 | 中铁大桥局集团有限公司 | Guiding method and device used for positioning steel open caisson |
| CN104988940B (en) * | 2015-05-19 | 2016-12-07 | 中铁大桥局集团有限公司 | Guidance method and device for steel open caisson location |
| 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 |
| CN105173015B (en) * | 2015-09-21 | 2017-10-27 | 中铁大桥局集团第四工程有限公司 | A kind of station keeping ship and its method for auxiliary steel well sinking positioning |
| CN105970820A (en) * | 2016-06-03 | 2016-09-28 | 中交第二航务工程局有限公司 | Auxiliary positioning method for U-shaped platform of large cofferdam |
| CN107130623A (en) * | 2017-06-19 | 2017-09-05 | 中铁大桥局集团有限公司 | A kind of combined type anchor pier locating system and method for open caisson waterborne |
| CN112609585A (en) * | 2020-12-18 | 2021-04-06 | 中铁大桥局集团第四工程有限公司 | Cable construction method suitable for positioning overwater large-sized steel open caisson |
| CN117127640A (en) * | 2023-10-25 | 2023-11-28 | 中铁四局集团第二工程有限公司 | Intelligent regulation and control method, equipment and system for sinking cables in sinking well positioning |
| CN117127640B (en) * | 2023-10-25 | 2024-01-23 | 中铁四局集团有限公司 | Intelligent regulation and control method, equipment and system for sinking cables in sinking well positioning |
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Application publication date: 20100310 Assignee: Long Highway Bridge Construction CCCC National Engineering Research Center Co., Ltd. Assignor: China Communications 2nd Navigational Bureau Contract record no.: 2013420000111 Denomination of invention: Positioning settlement method of large steel suspension box or sinking well Granted publication date: 20111026 License type: Exclusive License Record date: 20130802 |
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