CN103397649B - Double-wall steel cofferdam construction multifunctional platform and construction method thereof - Google Patents
Double-wall steel cofferdam construction multifunctional platform and construction method thereof Download PDFInfo
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- CN103397649B CN103397649B CN201310359394.5A CN201310359394A CN103397649B CN 103397649 B CN103397649 B CN 103397649B CN 201310359394 A CN201310359394 A CN 201310359394A CN 103397649 B CN103397649 B CN 103397649B
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Abstract
The invention discloses a double-wall steel cofferdam construction multifunctional platform which adopts the scheme that a bottom isolation cabin is arranged at the bottom of the inner side of the steel cofferdam; a plurality rows of uprights vertical to the upper surface of the bottom isolation cabin are arranged on the bottom isolation cabin; a horizontal track beam is mounted at the tops of each row of the uprights; a steel rail parallel to each track beam is mounted at the top of each track beam; a moving joist barrow is arranged on each steel rail; a plurality of horizontal bearing beams are arranged on the inner wall of the steel cofferdam; drilling platform main beams are erected at the tops of the bearing beams, and are erected at the tops of the track beams; a plurality of vertical steel casings are mounted on the drilling platform main beams. According to the invention, the uprights and track beams fixed at the tops of the uprights are arranged inside the steel cofferdam, and a mud suction platform and a drilling platform can be erected on the track beams in sequence, so that mud suction platform dismantling time can be shortened, and drilling platform mounting time can be reduced; besides, the use quantity of steel materials can be reduced and manufacturing cost is reduced as the mud suction platform and the drilling platform can be combined.
Description
Technical field
The present invention relates to cofferdam, be specifically related to double-wall steel cofferdam construction multifunctional platform and construction method thereof.
Background technology
Cofferdam refers in hydraulic engineering construction, for building permanent water conservancy projects, and the provisional building enclosure of building.Its effect be prevent water and soil from entering building build position so that at cofferdam internal drainage, excavation pit, builds building.Generally be mainly used in waterwork, except the part as formal building, cofferdam is generally removed after being finished.During the pile foundation in water plinth construction first cofferdam rear platform construction method of employing, need to arrange on steel cofferdam and inhale mud platform, inhale mud and make sinking of cofferdam to design altitude.After sinking of cofferdam to design altitude, inserted to play steel pile casting, installs drilling platform girder, forms drilling platform.Traditional way inhales mud platform and drilling platform need be provided separately, very inconvenient, and rolled steel dosage is large, and operating expenses is high.
Summary of the invention
Technical problem to be solved by this invention solves in hydraulic engineering cofferdam construction to inhale mud platform with drilling platform need be provided separately, very inconvenient, and rolled steel dosage is greatly, the problem that operating expenses is high,
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is to provide a kind of double-wall steel cofferdam construction multifunctional platform, steel cofferdam inside bottom is provided with end separation, separation of the described end is provided with the column of many rows perpendicular to its upper surface, column in described often row is uniformly distributed, row and row be arranged in parallel, described top of often arranging column is provided with a horizontally disposed track girder, the top of described every root track girder is provided with 1 rail parallel with it, described rail is provided with mobile purlin car, described steel cofferdam inwall is provided with many horizontally disposed bearing beams, the inwall that the two ends of described bearing beam are fixed on described steel cofferdam is parallel to each other, described bearing beam top is erected with drilling platform girder, described drilling platform girder is erected on the top of described track girder simultaneously, described drilling platform erection of main beam has multiple vertically disposed steel pile casting.
In such scheme, described mobile purlin car comprises purlin car owner's beam, distribution beam, aisle beam, case backbar out of shape, case out of shape and multiple electric block, described case out of shape slides and is arranged at the upper surface of described rail, described box top out of shape is provided with case backbar out of shape, described purlin car owner's beam is vertically fixed on described case backbar top out of shape and is horizontally disposed with, described aisle beam is fixed on bottom the car owner's beam of described purlin, described electric block is installed on the beam of described aisle, and described distribution beam is installed on the car owner's beam of described purlin.
In such scheme, described each mobile purlin car is provided with 3 electric blocks.
In such scheme, described column is two rows, and described mobile purlin car is 3, and the quantity of described bearing beam is 4.
Present invention also offers a kind of construction method utilizing double-wall steel cofferdam construction multifunctional platform as claimed in claim 1, comprise the following steps: at track back, portion sets up rail, rail is installed mobile purlin car, formed and inhale mud platform, utilize mobile purlin car lifting mud-sucking device to move on rail and carry out suction mud, drop to according to steel cofferdam the height set in advance and remove mobile purlin car and rail successively, plug-in mounting steel pile casting, the inwall of steel cofferdam arranges the bearing beam paralleled with described track girder, drilling platform girder is set up at the top of track girder and bearing beam in position according to steel pile casting, form drilling platform, carry out drilling construction.
The present invention, because be provided with many root posts and be fixed on the track girder at its top in steel cofferdam, suction mud platform and drilling platform can successively be set up on track girder, thus reduce the suction mud platform removal time, also reduce the drilling platform set-up time simultaneously, inhale mud platform to combine with drilling platform, can also rolled steel dosage be reduced, reduce cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram inhaling mud platform in the present invention;
Fig. 2 is the schematic top plan view of inhaling mud platform in the present invention;
Fig. 3 is the schematic side view of inhaling mud platform in the present invention;
Fig. 4 is the schematic side view of mobile purlin car in the present invention;
Fig. 5 is the generalized section of mobile purlin car in the present invention;
Fig. 6 is the schematic diagram of drilling platform in the present invention;
Fig. 7 is the schematic side view of inhaling mud platform in the present invention;
Fig. 8 is the schematic top plan view of inhaling mud platform in the present invention;
In figure: 1-steel cofferdam, 2-end separation, 3-column, 4-track girder, 5-mobile purlin car, 51-purlin car owner's beam, 52-distribution beam, 53-aisle beam, 54-case backbar out of shape, 55-drive case out of shape, 6-rail, 7-drilling platform girder, 8-bearing beam.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6, Fig. 7, Fig. 8, Double-Wall Steel Boxed Cofferdam 1 provided by the invention is constructed multifunctional platform, steel cofferdam 1 inside bottom is provided with end separation 2, end separation 2 is provided with the column 3 of 2 rows perpendicular to its upper surface, and the column 3 often in row is uniformly distributed, and row and row be arranged in parallel, the top of often arranging column 3 is provided with a horizontally disposed track girder 4, the top of every root track girder 4 is provided with 1 rail 6 parallel with it, and rail 6 is provided with mobile purlin car 5, and mobile purlin car 5 is 3.Steel cofferdam 1 inwall is provided with 2 horizontally disposed bearing beams 8, parallel with track girder 4 on the inwall that the two ends of bearing beam 8 are fixed on steel cofferdam 1, bearing beam 8 top is erected with drilling platform girder 7, drilling platform girder 7 is erected on the top of track girder 4 simultaneously, and drilling platform girder 7 is provided with multiple vertically disposed steel pile casting.
As shown in Figure 4, Figure 5, mobile purlin car 5 comprises purlin car owner's beam 51, distribution beam 52, aisle beam 53, case backbar 54 out of shape, case out of shape 55 and multiple electric block, case out of shape slides and is arranged at the upper surface of rail 6, drives case out of shape, mobile purlin car 5 can be made to move along rail 6.Box top out of shape is provided with case backbar out of shape, and purlin car owner's beam 51 is vertically fixed on case backbar top out of shape and is horizontally disposed with, and aisle beam 53 is fixed on bottom purlin car owner's beam 51, and electric block is installed on aisle beam 53, and distribution beam 52 is installed on purlin car owner's beam 51.Each mobile purlin car 5 is provided with 3 electric blocks.
During construction, first set up rail 6 at the top of track girder 4, then on rail 6, install mobile purlin car 5, mobile purlin car 5 can move along rail 6, is formed and inhales mud platform.Then utilize mobile purlin car 5 to promote suction mud equipment to move on rail 6, inhale mud on a large scale, steel cofferdam 1 is sunk fast.After steel cofferdam 1 sinks down into design altitude, remove mobile purlin car 5, inserted to play steel pile casting, steel cofferdam 1 borehole wall arranges bearing beam 8, then lay drilling platform girder 7 according to the position of steel pile casting, track girder 4, bearing beam 8 provide fulcrum for drilling platform girder 7, form drilling platform.The present invention, because be provided with many root posts 3 and be fixed on the track girder 4 at its top in steel cofferdam 1, suction mud platform and drilling platform can successively be set up on track girder 4, thus reduce the suction mud platform removal time, also reduce the drilling platform set-up time simultaneously, inhale mud platform to combine with drilling platform, can also rolled steel dosage be reduced, reduce cost.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structure change made under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (5)
1. double-wall steel cofferdam construction multifunctional platform, steel cofferdam inside bottom is provided with end separation, it is characterized in that,
Separation of the described end is provided with the column of many rows perpendicular to its upper surface, column in described often row is uniformly distributed, row and row be arranged in parallel, described top of often arranging column is provided with a horizontally disposed track girder, the top of described every root track girder is provided with 1 rail parallel with it, described rail is provided with mobile purlin car
Described steel cofferdam inwall is provided with many horizontally disposed bearing beams, parallel with described track girder on the inwall that the two ends of described bearing beam are fixed on described steel cofferdam, described bearing beam top is erected with drilling platform girder, described drilling platform girder is erected on the top of described track girder simultaneously, and described drilling platform erection of main beam has multiple vertically disposed steel pile casting.
2. double-wall steel cofferdam construction multifunctional platform as claimed in claim 1, it is characterized in that, described mobile purlin car comprises purlin car owner's beam, distribution beam, aisle beam, case backbar out of shape, case out of shape and multiple electric block, described case out of shape slides and is arranged at the upper surface of described rail, described box top out of shape is provided with case backbar out of shape, described purlin car owner's beam is vertically fixed on described case backbar top out of shape and is horizontally disposed with, described aisle beam is fixed on bottom the car owner's beam of described purlin, described electric block is installed on the beam of described aisle, described distribution beam is installed on the car owner's beam of described purlin.
3. double-wall steel cofferdam construction multifunctional platform as claimed in claim 2, it is characterized in that, described each mobile purlin car is provided with 3 electric blocks.
4. double-wall steel cofferdam construction multifunctional platform as claimed in claim 1, it is characterized in that, described column is two rows, and described mobile purlin car is 3, and the quantity of described bearing beam is 2.
5. utilize the construction method of double-wall steel cofferdam construction multifunctional platform as claimed in claim 1, it is characterized in that, comprise the following steps:
At track back, portion sets up rail, and rail is installed mobile purlin car, is formed and inhales mud platform, and utilize mobile purlin car lifting mud-sucking device to move on rail and carry out suction mud, the steel cofferdam falling head according to setting in advance removes mobile purlin car and rail successively,
Plug-in mounting steel pile casting, the inwall of steel cofferdam arranges the bearing beam paralleled with described track girder, and drilling platform girder is set up at the top of track girder and bearing beam in the position according to steel pile casting, forms drilling platform, carries out drilling construction.
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| CN201310359394.5A CN103397649B (en) | 2013-08-16 | 2013-08-16 | Double-wall steel cofferdam construction multifunctional platform and construction method thereof |
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| CN201310359394.5A CN103397649B (en) | 2013-08-16 | 2013-08-16 | Double-wall steel cofferdam construction multifunctional platform and construction method thereof |
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| CN103397649A CN103397649A (en) | 2013-11-20 |
| CN103397649B true CN103397649B (en) | 2015-04-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103835300B (en) * | 2014-01-22 | 2015-12-23 | 中铁大桥局集团第五工程有限公司 | Without inner support double-walled fore shaft steel boxed cofferdam construction method and cofferdam thereof |
| CN106638688B (en) * | 2016-11-16 | 2018-11-02 | 上海建工二建集团有限公司 | Purlin vehicle type closure construction system and its construction method |
| CN112663647B (en) * | 2020-12-18 | 2022-07-01 | 中铁大桥局集团有限公司 | Modular platform for open caisson soil borrowing construction and using method thereof |
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| JP2006249685A (en) * | 2005-03-08 | 2006-09-21 | Jfe Engineering Kk | Cofferdam construction method for underwater structure, and structure for cofferdam |
| CN101182718A (en) * | 2007-12-05 | 2008-05-21 | 中铁大桥局股份有限公司 | Under water putting down construction method of large-sized double-walled steel suspension box-cofferdam |
| CN201292533Y (en) * | 2008-08-25 | 2009-08-19 | 中铁大桥局股份有限公司 | Composite type casing box cofferdam |
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Owner name: GROUP CO., LTD., ZHONGTIE DAQIAO BUREAU Free format text: FORMER OWNER: CHINA ZHONGTIE MAJOR BRIDGE ENGINEERING CO., LTD. Effective date: 20150529 |
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Free format text: CORRECT: ADDRESS; FROM: 430074 WUHAN, HUBEI PROVINCE TO: 430050 WUHAN, HUBEI PROVINCE |
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Effective date of registration: 20150529 Address after: 430050 Hanyang Road, Hanyang District, Hubei, No. 38, No. Patentee after: Group Co., Ltd., Zhongtie Daqiao Bureau Address before: 430074 Hubei province Wuhan Dongxin East Lake New Technology Development Zone Road SBI Venture Street No. 6 Building 12 layer Patentee before: China Zhongtie Major Bridge Engineering Co., Ltd. |