CN101476282B - Construction method for long, large and heavy component in river - Google Patents
Construction method for long, large and heavy component in river Download PDFInfo
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- CN101476282B CN101476282B CN2008102315640A CN200810231564A CN101476282B CN 101476282 B CN101476282 B CN 101476282B CN 2008102315640 A CN2008102315640 A CN 2008102315640A CN 200810231564 A CN200810231564 A CN 200810231564A CN 101476282 B CN101476282 B CN 101476282B
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Abstract
The invention discloses a long, large, heavy type member river downing construction method, which comprises: choosing a proper site at bank side to dispose a river entering ramp connecting to the water surface; disposing a wedge form cable car on the river entering ramp; anchoring a cargo ship on the water surface; placing the large-scale member onto the wedge form cable car; lowering the wedge form cable car along the river entering ramp to above the cargo ship; going on to lower the wedge form cable car to convert the cargo ship to be the supporter of the large-scale member; floating the large-scale member to the construction site by the cargo ship; and moving the wedge form cable car upward to carrying the one. By adopting the river entering ramp to shifting the large-scale member into river, the invention needs less equipments, needs no large-scale mechanical equipment such as gantry crane; the river entering ramp has a simple structure; most of the engineering are constructed on bank, have the advantages of low construction difficulty, convenient and fast construction, high safety, low cost, economic and practical; consequently, the invention has a very high popularization and application value.
Description
Technical field
The invention belongs to technical field of bridge construction, particularly a kind of construction method for long, large and heavy component in river.
Background technology
At present, the main pile tube harbour of going to river that adopts cooperates large-scale gantry crane to finish construction member to go to river in bridge construction, if but the construction member structure is too big, and is too heavy as member tonnages such as girder, suspension box-cofferdam, adopt the form of construction work of this entry of going to river just to be subjected to restriction and restriction.
Summary of the invention
The present invention provides a kind of construction method for long, large and heavy component in river that is applicable to bridge construction in order to solve weak point of the prior art.
For solving the problems of the technologies described above, the technical solution used in the present invention is: construction method for long, large and heavy component in river, select suitable place that the ramp of going to river that is connected with river surface is set earlier on the bank, go to river and the wedge shape cable car is set on the ramp, cargo ship has berthed on the river surface, large-scale component is placed on the wedge shape cable car, transfer the entry of wedge shape cable car along the ramp of going to river to the cargo ship top, continue to transfer the wedge shape cable car, large-scale component is converted to the cargo ship support, cargo ship transportation by driving large-scale component is to construction location, on move the wedge shape cable car and continue the entry of going to river of next large-scale component.
The described ramp of going to river is made up of horizontal segment and slope section, section lower end, slope extends under the river surface, horizontal segment connecting elements precast yard, and large-scale component is transported to the entry of going to river of wedge shape cable car from element precast factory, cargo ship is provided with two at least, is placed in the both sides, section lower end, slope, ramp of going to river respectively.
The carrying that beam transportation vehicle carries out large-scale component is set on the horizontal segment in the described ramp of going to river, large-scale component by beam transportation vehicle when element precast factory is transported to the horizontal segment in the ramp of going to river and slope section intersection, operation wedge shape cable car makes it to move, large-scale component is transformed into wedge shape cable car support by beam transportation vehicle, withdraws from beam transportation vehicle.
Described wedge shape cable car end face is horizontally disposed with, and its end face is higher than the beam transportation vehicle end face when being promoted to highest point.
Described wedge shape cable car is transferred and is promoted by hoist engine or jack, and the slope section in the ramp of going to river is provided with the track of wedge shape cable car operation.
Described this method can increase the quantity of wedge shape cable car, beam transportation vehicle and wedge shape cable car orbit according to large-scale component size and weight.
The utilization of the present invention required used device of job practices that the ramp goes to river the large-sized structural parts slippage of going to river is few, need not heavy mechanical equipments such as gantry crane, the pits rampway structure of going to river is simple, most of engineering is the engineering construction on the riverbank, difficulty of construction is little, convenient and quick construction, safe, cost is not high, economical and practical, have highly application value.
Description of drawings
Fig. 1 is a plane arrangement structure schematic diagram of the present invention;
Fig. 2 is the elevational schematic view when the water support is changed (between wedge type cable car and beam transportation vehicle) under the large-scale component in the middle of the present invention;
Fig. 3 is the elevational schematic view when the water support is changed (between wedge type cable car and cargo ship) under the large-scale component in the middle of the present invention.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, construction method for long, large and heavy component in river of the present invention, at first be chosen in dry season the riverbed to be filled out and dig leveling, and ground done further processing, to satisfy force request, lay the track of going to river then, the track of going to river is made of horizontal segment 1 and slope section 2, horizontal segment 1 is provided with hoist engine or jack 9, be used to promote or transfer the wedge shape cable car 3 that is arranged on the slope section 2, wedge shape cable car 3 end faces are horizontally disposed with, slope section 2 is provided with the track 4 of wedge shape cable car 3 operations, track 4 lower ends extend to river surface under water, a cargo ship 8 has berthed respectively on the river surface 7 of both sides, track 4 lower end, horizontal segment 1 connecting elements precast yard, large-scale component 5 is winched to large-scale component 5 on the beam transportation vehicle 6 by lifting appliance from element precast factory, and beam transportation vehicle 6 walks to the horizontal segment 1 and slope section 2 junctions of the track of going to river along the horizontal segment 1 carrying large-scale component 5 of the track of going to river.
When large-scale component 5 is gone to river the entry construction, beam transportation vehicle 6 carrying large-scale components 5 are walked to the horizontal segment 1 of the track of going to river and the junction of slope section 2, operation hoist engine or jack 9 make wedge shape cable car 3 be up to large-scale component 5 times, move wedge shape cable car 3 in the continuation, large-scale component 5 is changed into by 3 acknowledgement of consignments of wedge shape cable car by beam transportation vehicle 6 acknowledgement of consignments; With reference to Fig. 3, withdraw beam transportation vehicle 6 then, operation hoist engine or jack 9, large-scale component 5 moves down at wedge shape cable car 3 upper edge tracks 4, transfers wedge shape cable car 3 and makes large-scale component 5 progressively descend water, makes large-scale component 5 be positioned at the top of two cargo ships 8, continue to transfer wedge shape cable car 3, large-scale component 5 is changed by cargo ship 8 supports, and cargo ship 8 holds large-scale component 5 to construction location, the wedge shape cable car 3 up entry transports of going to river of carrying out next large-scale component 5.The support position of 6 pairs of large-scale components 5 of beam transportation vehicle is identical with the support position of cargo ship 8, can save time and operation, and delivery is got up more convenient.The above-mentioned work progress that is a large bridge member by the entry of going to river on the bank, other job practices is identical therewith, repeats no more.
Can increase the quantity of wedge shape cable car 3, beam transportation vehicle 6 and wedge shape cable car orbit 4 according to large-scale component 5 size and weight.
Claims (4)
1. construction method for long, large and heavy component in river, it is characterized in that: select suitable place that the ramp of going to river that is connected with river surface is set earlier on the bank, the ramp of going to river is made up of horizontal segment and slope section, horizontal segment connecting elements precast yard, beam transportation vehicle is set on the horizontal segment, and section lower end, slope extends under the river surface, and the wedge shape cable car is set on the section of slope, at least two cargo ships are set on the river surface, are placed in the both sides, section lower end, slope, ramp of going to river respectively; Large-scale component, is controlled the wedge shape cable car and is made it to move when element precast factory is transported to the horizontal segment in the ramp of going to river and slope section intersection by beam transportation vehicle, and large-scale component is transformed into wedge shape cable car support by beam transportation vehicle, withdraws from beam transportation vehicle then; After large-scale component is transformed into wedge shape cable car support, transfer the entry of wedge shape cable car along the ramp of going to river to the cargo ship top, continue to transfer the wedge shape cable car, be lower than the cargo ship end face until wedge shape cable car end face, large-scale component is converted to the cargo ship support, cargo ship transportation by driving large-scale component is to construction location, moves the wedge shape cable car on simultaneously and continues the entry of going to river of next large-scale component.
2. construction method for long, large and heavy component in river according to claim 1 is characterized in that: described wedge shape cable car end face is horizontally disposed with, and its end face is higher than the beam transportation vehicle end face when being promoted to highest point.
3. construction method for long, large and heavy component in river according to claim 1 and 2 is characterized in that: described wedge shape cable car is transferred and is promoted by hoist engine or jack, and the slope section in the ramp of going to river is provided with the track of wedge shape cable car operation.
4. construction method for long, large and heavy component in river according to claim 1 and 2 is characterized in that: described this method can increase the quantity of wedge shape cable car, beam transportation vehicle and wedge shape cable car orbit according to large-scale component size and weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102315640A CN101476282B (en) | 2008-12-30 | 2008-12-30 | Construction method for long, large and heavy component in river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102315640A CN101476282B (en) | 2008-12-30 | 2008-12-30 | Construction method for long, large and heavy component in river |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101476282A CN101476282A (en) | 2009-07-08 |
| CN101476282B true CN101476282B (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102315640A Active CN101476282B (en) | 2008-12-30 | 2008-12-30 | Construction method for long, large and heavy component in river |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853988B (en) * | 2021-01-14 | 2022-04-15 | 中铁大桥局集团有限公司 | Beach transportation device and beam transportation method for large-section steel truss beam |
| CN113482004A (en) * | 2021-07-09 | 2021-10-08 | 中国能源建设集团广东省电力设计研究院有限公司 | Offshore multi-tube jacket foundation and wind power complete machine wharf launching construction method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143138A (en) * | 1996-07-01 | 1997-02-19 | 交通部第一航务工程局 | Launching method for laud region prefabricated sinking caisson |
| JP2002256528A (en) * | 2001-02-28 | 2002-09-11 | Penta Ocean Constr Co Ltd | Underwater installing method and device of sheet-like object |
| CN1763314A (en) * | 2005-05-26 | 2006-04-26 | 广东省航盛工程有限公司 | Method for moving large-scale heavy member to launch and float on water, and member mounting method |
-
2008
- 2008-12-30 CN CN2008102315640A patent/CN101476282B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143138A (en) * | 1996-07-01 | 1997-02-19 | 交通部第一航务工程局 | Launching method for laud region prefabricated sinking caisson |
| JP2002256528A (en) * | 2001-02-28 | 2002-09-11 | Penta Ocean Constr Co Ltd | Underwater installing method and device of sheet-like object |
| CN1763314A (en) * | 2005-05-26 | 2006-04-26 | 广东省航盛工程有限公司 | Method for moving large-scale heavy member to launch and float on water, and member mounting method |
Non-Patent Citations (3)
| Title |
|---|
| 中港一航局二公司.陆域预制沉箱采用半潜驳出运下水新工艺.中国港湾建设.2000,(5),12-18. * |
| 郝夕青.沉箱预制场地及下水工艺的比较.水运工程.2006,(3),83-84. * |
| 郭成喜，郭晓芳.沉箱预制场水下滑道工艺设计与施工.山西建筑.2006,32(22),145-146. * |
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| CN101476282A (en) | 2009-07-08 |
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