CN111021360B - Method for salvaging massive bottom supporting plate integrally in river in blocking mode - Google Patents
Method for salvaging massive bottom supporting plate integrally in river in blocking mode Download PDFInfo
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- CN111021360B CN111021360B CN201911100194.1A CN201911100194A CN111021360B CN 111021360 B CN111021360 B CN 111021360B CN 201911100194 A CN201911100194 A CN 201911100194A CN 111021360 B CN111021360 B CN 111021360B
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- bottom supporting
- supporting plate
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a method for salvaging a massive bottom supporting plate integrally in a river in a blocking way, wherein the massive bottom supporting plate is blocked, all blocks are spliced together through a connecting structure and then connected with a large-scale steel structure into a whole, after the large-scale steel structure is launched into water, the large-scale steel structure is stably floated automatically, the large-scale steel structure is cut off, and the splicing structure among all blocks is broken by utilizing the self weight of the massive bottom supporting plate, so that the massive bottom supporting plate is automatically blocked and salved under water. The invention does not need large-scale salvage equipment and diver operation, realizes quick recovery and cyclic utilization, has higher safety and economy, reduces labor investment and working hours, effectively reduces construction cost investment and shortens construction period.
Description
Technical Field
The invention belongs to the field of bridge construction, and particularly relates to a massive bottom supporting plate integral launching blocking salvaging method in a large-scale steel structure launching by an air bag method.
Background
In the bridge construction, for constructing the foundation of the deep water high pile bearing platform such as a large-span river and the like quickly, the large steel cofferdam also becomes a common measure for constructing the pier bearing platform in water, and because of the structural particularity, the water is discharged by utilizing an air bag method, and the bottom supporting plate becomes a necessary auxiliary measure from land to water, the bottom supporting plate plays a great role in leveling the work of the air bag and transferring force, but because the volume and the mass are large, after the whole body is discharged, the whole body needs large fishing equipment and divers to hook underwater, and underwater cutting is needed if necessary, so that the recovery cost is high or cannot be recovered, and the cost of the bottom supporting plate is not low, so that the construction cost is high.
Disclosure of Invention
The invention provides a method for salvaging a massive bottom supporting plate integrally in a river in a blocking manner, which solves the technical problem that the bottom supporting plate adopted in the process of launching a large-scale steel structure is high in recovery cost or cannot be recovered after launching.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method for salvaging a massive bottom supporting plate integrally in a river in a blocking manner comprises the following steps: the big bottom plate is divided, all the blocks are spliced together through the connecting structure and then are connected with the large steel structure into a whole, the large steel structure is stably and automatically floated after being launched, the connection with the large steel structure is cut off, the self-weight of the big bottom plate is utilized to break the splicing structure between all the blocks, and the big bottom plate is automatically divided and fished underwater.
Further, the big bottom plate is divided into blocks aiming at the hoisting equipment and taking the stress uniformity as a main reference basis, the splicing structure between the bottom plates is a first limiting clamping plate, and the first limiting clamping plate is arranged on the seam between the blocks.
Furthermore, the bottom support plate and the large steel structure are connected into a whole through the arrangement of the second limiting clamp plate and the hanging of the steel wire rope, the second limiting clamp plate is arranged at the outer edge of the joint of the large steel structure and the bottom support plate, and the steel wire rope is connected with the first lifting lug of the bottom support plate and the second lifting lug on the large steel structure.
Furthermore, a third lifting lug is arranged on the bottom supporting plate and used for lifting the lifting equipment.
Furthermore, add at the bottom plate edge and establish salvage wire rope, will salvage wire rope and be connected with the flotation pontoon with the rope made of hemp, treat that the bottom plate sinks when submarine, its position is marked to the flotation pontoon, through dragging the rope made of hemp, will salvage wire rope and expose the surface of water and get in touch and retrieve.
The invention also provides a structure applying the method, which comprises a plurality of bottom supporting plates, wherein the bottom supporting plates are used for being spliced into a large bottom supporting plate for assisting a large steel structure, a splicing structure is arranged between the bottom supporting plates, and a connecting structure is arranged between the bottom supporting plates and the large steel structure.
Furthermore, the bottom supporting plate is obtained by dividing a large bottom supporting plate into blocks by aiming at the lifting equipment and taking the stress uniformity as a main reference basis, the splicing structure is a first limiting clamping plate, and the first limiting clamping plate is arranged on the seam between the blocks.
Furthermore, the bottom plate is provided with a second limiting clamping plate and a first lifting lug, the second limiting clamping plate is arranged at the outer edge of the joint of the large-scale steel structure and the bottom plate and used for limiting the large-scale steel structure, the first lifting lug is arranged outside the outer edge of the joint of the large-scale steel structure and the bottom plate and corresponds to the second lifting lug on the large-scale steel structure, and a hanging steel wire rope is connected between the first lifting lug and the second lifting lug.
Furthermore, a third lifting lug is arranged on the bottom supporting plate and used for lifting equipment, and the lifting equipment is connected with the third lifting lug through a lifting steel wire rope.
Furthermore, a salvaging steel wire rope is fixedly arranged at the edge of the bottom supporting plate and is connected with the buoy through a hemp rope.
Compared with the prior art, the invention has the following beneficial effects:
(1) when the large-scale steel structure is in the river, the large-scale steel structure is in the river by utilizing the air bag method through the limiting clamping plate, the lifting lugs, the hanging steel wire ropes and the bottom supporting plate, so that the large-scale steel structure is ensured to be safely and smoothly in the river;
(2) after the large-scale steel structure integrally descends into the river, the bottom supporting plate is automatically blocked underwater, the lifting weight requirement of the floating crane is not exceeded, and the requirement of large-scale salvage equipment is reduced;
(3) the fishing positions of the bottom supporting plates are marked through the floating barrels, the fishing steel wire ropes are pulled out of the river surface by using hemp ropes to be hooked, and the bottom supporting plates are directly fished, so that the fishing speed is increased, and the underwater hook and divers are prevented from operating;
(4) the invention does not need large-scale salvage equipment and diver operation, realizes quick recovery and cyclic utilization, has higher safety and economy, reduces labor investment and working hours, effectively reduces construction cost investment and shortens construction period.
Drawings
Fig. 1 is a schematic structural diagram of a limit board card according to an embodiment of the present invention;
FIG. 1(a) is a top view of a bottom pallet with a retainer clip;
FIG. 1(b) is an enlarged view at S1 in FIG. 1 (a);
FIG. 1(c) is an enlarged view at S2 in FIG. 1 (a);
FIG. 2 is a schematic diagram of a hanging wire rope arrangement according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view a-a of FIG. 2;
FIG. 4 is a schematic diagram of a fishing line arrangement according to an embodiment of the invention;
fig. 5 is a cross-sectional view b-b of fig. 4.
Wherein:
1. a bottom pallet; 2. a first limiting clamping plate; 2' and a second limit clamping plate; 3. a first lifting lug; 4. a third lifting lug;
5. hanging a steel wire rope; 6. a second lifting lug; 7. a buoy 8 and a fishing steel wire rope; 9. a hemp rope is arranged on the inner wall of the shell,
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In order to make the objects and features of the present invention more comprehensible, embodiments accompanying the present invention are further described below. It is noted that the drawings are in greatly simplified form and employ non-precise ratios for the purpose of facilitating and distinctly aiding in the description of the patented embodiments of the invention.
The invention is further described below with reference to the accompanying drawings.
In order to clarify several important structures used in the present invention, they are shown with the accompanying drawings, respectively, and fig. 1 shows a schematic structural diagram of a limit board card; fig. 2 shows a schematic layout of a hanging wire rope, and fig. 3 shows a schematic layout of a fishing wire rope.
The invention is suitable for the integral laying of large bottom supporting plates of various large steel structures by utilizing an air bag method to descend, and the blocking is carried out, the blocking principle is mainly based on hoisting equipment and uniform stress as a main reference basis, as shown in figures 1, 2 and 4, A, B, C, D, E, F, G in the figures is the blocked bottom supporting plate 1.
As shown in fig. 1, a first limiting clamping plate 2 is arranged between the bottom supporting plates 1 to limit the bottom supporting plates 1 to achieve the integral splicing effect; fig. 1(b) is an enlarged view of the first limit board 2;
as shown in fig. 1, the bottom support plate 1 is further provided with a second limiting clamping plate 2 'for limiting the large steel structure, the second limiting clamping plate is arranged at the outer edge of the joint of the large steel structure and the bottom support plate 1, and fig. 1(c) is an enlarged view of the second limiting clamping plate 2';
according to the invention, a bottom support plate 1 and a large-scale steel structure are connected into a whole through a hanging steel wire rope 5, as shown in figure 3, the hanging steel wire rope 5 is respectively connected with a second lifting lug 6 on the large-scale steel structure and a first lifting lug 3 on the bottom support plate 1, and the first lifting lug 3 is arranged outside the outer edge of the joint of the large-scale steel structure and the bottom support plate 1 and corresponds to the second lifting lug 6 on the large-scale steel structure.
And a third lifting lug 4 is arranged on the bottom supporting plate 1 and used for lifting equipment, and the lifting equipment is connected with the third lifting lug 4 through a lifting steel wire rope.
The first lifting lug 3 and the third lifting lug 4 are arranged as shown in fig. 2.
The edge of the bottom supporting plate 1 is fixedly provided with a fishing steel wire rope 8, and the fishing steel wire rope 8 is connected with a buoy 7 by a hemp rope 9, as shown in figures 4 and 5.
The method comprises the following steps:
the large bottom supporting plate is integrally laid and divided, the dividing principle mainly takes lifting equipment as a main basis for reference, the first limiting clamping plate 2 is utilized to integrally splice all the blocks, and the bottom supporting plate 1 and the large steel structure are integrated through the second limiting clamping plate 2' and the hanging of the hanging steel wire rope 5, so that the large steel structure is ensured to smoothly launch; after the large-scale steel structure is stably floated automatically after launching, the hanging steel wire rope 5 is cut off, and at the moment, the first limiting clamping plate 2 is broken by the self-weight of the bottom supporting plate 1, so that the bottom supporting plate 1 is automatically blocked underwater, the technical problem of blocking after the whole large bottom supporting plate is launched into the river is solved, and underwater cutting operation is avoided; the salvage steel wire rope 8 is connected with the floating barrel 7 through the hemp rope 9, when the bottom supporting plate 1 sinks into the river bottom, the floating barrel 7 marks the position of the bottom supporting plate, the salvage steel wire rope 8 is exposed out of the water surface to be hooked through pulling the hemp rope 9, and quick recovery is achieved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The method for salvaging the massive bottom supporting plate integrally in the river in blocks is characterized by comprising the following steps: the big bottom plate is divided, all the blocks are spliced together through the connecting structure and then are connected with the large steel structure into a whole, the large steel structure is stably and automatically floated after being launched, the connection with the large steel structure is cut off, the self-weight of the big bottom plate is utilized to break the splicing structure between all the blocks, and the big bottom plate is automatically divided and fished underwater.
2. The method for salvaging the massive bottom supporting plate integrally descending the river in the blocking manner as claimed in claim 1, wherein the massive bottom supporting plate is blocked by the hoisting equipment by taking uniform stress as a main reference, the splicing structure between the bottom supporting plates is a first limiting clamping plate, and the first limiting clamping plate is arranged on the seam between the blocks.
3. The method for salvaging the massive bottom supporting plate integrally descending the river according to claim 1, wherein the bottom supporting plate is connected with the large steel structure into a whole by arranging a second limiting clamping plate and hanging a steel wire rope, the second limiting clamping plate is arranged at the outer edge of the joint of the large steel structure and the bottom supporting plate, and the steel wire rope is connected with a first lifting lug of the bottom supporting plate and a second lifting lug on the large steel structure.
4. The method for salvaging the massive bottom supporting plate integrally fell into the river according to claim 1, wherein a third lifting lug is arranged on the bottom supporting plate and is used for lifting equipment.
5. The method for salvaging the massive bottom supporting plate integrally into the river according to claim 1, wherein a salvaging steel wire rope is additionally arranged at the edge of the bottom supporting plate, the salvaging steel wire rope is connected with a buoy through a hemp rope, the buoy marks the position when the bottom supporting plate sinks into the water bottom, and the salvaging steel wire rope is exposed out of the water surface for hook recovery by pulling the hemp rope.
6. The structure applying the method of any one of claims 1 to 5, characterized by comprising a plurality of bottom supporting plates, wherein the bottom supporting plates are used for being spliced into a large bottom supporting plate for assisting a large steel structure, a splicing structure is arranged between the bottom supporting plates, and a connecting structure is arranged between the bottom supporting plates and the large steel structure.
7. The structure of claim 6, wherein the bottom supporting plate is obtained by dividing a large bottom supporting plate into blocks for a hoisting device by taking uniform stress as a main reference, and the splicing structure is a first limiting clamping plate arranged on a seam between the blocks.
8. The structure of claim 6, wherein the bottom plate is provided with a second limiting clamping plate and a first lifting lug, the second limiting clamping plate is arranged at the outer edge of the joint of the large steel structure and the bottom plate and used for limiting the large steel structure, the first lifting lug is arranged outside the outer edge of the joint of the large steel structure and the bottom plate and corresponds to the second lifting lug on the large steel structure, and a hanging steel wire rope is connected between the first lifting lug and the second lifting lug.
9. The structure of claim 6, wherein a third lifting lug is arranged on the bottom supporting plate and used for lifting equipment, and the lifting equipment is connected with the third lifting lug through a lifting steel wire rope.
10. The structure of claim 6, wherein a fishing wire rope is fixedly arranged on the edge of the bottom support plate and connected with the buoy through a hemp rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100194.1A CN111021360B (en) | 2019-11-12 | 2019-11-12 | Method for salvaging massive bottom supporting plate integrally in river in blocking mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911100194.1A CN111021360B (en) | 2019-11-12 | 2019-11-12 | Method for salvaging massive bottom supporting plate integrally in river in blocking mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111021360A CN111021360A (en) | 2020-04-17 |
| CN111021360B true CN111021360B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911100194.1A Active CN111021360B (en) | 2019-11-12 | 2019-11-12 | Method for salvaging massive bottom supporting plate integrally in river in blocking mode |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100846152B1 (en) * | 2007-05-15 | 2008-07-14 | 이종호 | Ship block transfer apparatus with ramp for moving transporter and method of transfering ship block |
| CN203652087U (en) * | 2014-01-06 | 2014-06-18 | 鄂州市光大临江造船有限公司 | Airbag launching bracket |
| CN106703060A (en) * | 2017-03-01 | 2017-05-24 | 中国五冶集团有限公司 | Structure for launching open caisson through airbag method and launching method based on structure |
| CN108316332A (en) * | 2018-05-03 | 2018-07-24 | 中交公局厦门工程有限公司 | A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely |
-
2019
- 2019-11-12 CN CN201911100194.1A patent/CN111021360B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100846152B1 (en) * | 2007-05-15 | 2008-07-14 | 이종호 | Ship block transfer apparatus with ramp for moving transporter and method of transfering ship block |
| CN203652087U (en) * | 2014-01-06 | 2014-06-18 | 鄂州市光大临江造船有限公司 | Airbag launching bracket |
| CN106703060A (en) * | 2017-03-01 | 2017-05-24 | 中国五冶集团有限公司 | Structure for launching open caisson through airbag method and launching method based on structure |
| CN108316332A (en) * | 2018-05-03 | 2018-07-24 | 中交公局厦门工程有限公司 | A kind of piecemeal tongue and groove assembling-type steel sole plate that complexity sea situation steel lifted trunk can recycle completely |
Non-Patent Citations (2)
| Title |
|---|
| 主墩双壁钢围堰下水施工分析;郁春雷;《黑龙江交通科技》;20151231(第02期);全文 * |
| 双壁钢吊箱围堰制造并下水工艺探讨;陈国刚;《重庆交通大学学报(自然科学版)》;20111231(第05期);全文 * |
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| CN111021360A (en) | 2020-04-17 |
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