CN104746523A - Cofferdam structure and application method thereof - Google Patents
Cofferdam structure and application method thereof Download PDFInfo
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- CN104746523A CN104746523A CN201310746561.1A CN201310746561A CN104746523A CN 104746523 A CN104746523 A CN 104746523A CN 201310746561 A CN201310746561 A CN 201310746561A CN 104746523 A CN104746523 A CN 104746523A
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Abstract
The invention provides a cofferdam structure and an application method thereof, and relates to the technical field of water conservation cofferdams. The cofferdam structure comprises a plurality of protruding single body structures and a plurality of concave single body structures. Each protruding single body structure comprises a base and a protruding frame fixed to the base, wherein an inner cavity is formed in the protruding frame, and protruding rabbets are arranged on the two protruding side faces of the protruding frame. Each concave single body structure comprises a base and a concave frame fixed to the base, wherein an inner cavity is formed in the concave frame, and concave notches are formed in the two concave side faces of the concave frame. An inner side wall and an outer side wall are oppositely arranged between the two protruding side faces of each protruding frame. An inner side wall and an outer side wall are oppositely arranged between the two concave side faces of each concave frame. The two rabbets of each protruding frame are embedded in and connected with the notches in the concave frames on the adjacent two sides respectively, and the circular cofferdam structure is formed in a surrounding mode. The cofferdam structure can be conveniently spliced, moved and detached without causing adverse effects to water bodies, and repeated utilization of the cofferdam structure can be achieved.
Description
Technical field
The present invention relates to water conservancy cofferdam technical field, particularly relate to a kind of cofferdam structure and using method thereof.
Background technology
At present, the main mode adopting soil property or steel sheet pile to build cofferdam in the construction of the cofferdam structure of shallow lake, for Taihu Lake, the depth of water is 1 ~ 2m about, and the type of the cofferdam structure often used has the cofferdam structure type such as steel sheet pile cofferdam structure and packeted soil cofferdam structure.The mode of filling of cofferdam structure is all that the mode squeezed into steel sheet pile in lake region or fill packeted soil builds cofferdam structure, after the engineering in region to be onstructed terminates, again cofferdam structure need be removed, in the build process of cofferdam structure, need outer haul volume and filling material, building and removing of cofferdam structure all needs to transport a large amount of constructional materialss, and construction and the dismounting of cofferdam structure not only greatly expend engineering quantity, and build and also can cause interference to water body in demolishing process, cause water pollution.
How to design a kind of clean, can reuse, and build and the cofferdam structure of interference will be caused to be that those skilled in the art need to deal with problems to water body in reset procedure.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of cofferdam structure, can splice as required, move and remove, for solving building and remove and all needing to transport a large amount of constructional materialss of cofferdam structure in existing technology, engineering quantity is large, interference is caused to water body, causes water pollution issue.
For achieving the above object and other relevant objects, the invention provides a kind of cofferdam structure, comprise: several protrude monomer structure, described protrusion monomer structure comprises base and is fixed on the protrusion framework on described base, described protrusion framework is provided with inner chamber, and two convex sides of described protrusion framework are provided with the tongue and groove of protrusion; Several monomer structures that cave in, described depression monomer structure comprises base and is fixed on the depression framework on described base, and described depression framework is provided with inner chamber, and two concave sides of described depression framework are provided with recessed notch; Described protrusion framework and described depression framework are equipped with and are relatively arranged on inner side metope between described two convex sides or concave side and outside metope, described two convex sides or concave side and described inner side metope and described outside metope surround described inner chamber; Described protrusion monomer structure and described depression monomer structure are alternately arranged successively, and two tongue and grooves of each described protrusion framework are connected with the notch of the depression framework of adjacent both sides is mutually embedding respectively, surround a circular cofferdam structure; Described cofferdam structure surrounds construction area together by each described inner side metope, and described inner side metope and described outside metope are provided with the side intake-outlet by described inner chamber and ft connection, and described side intake-outlet is provided with side valve door; The top of described protrusion framework and described depression framework is equipped with top intake-outlet, described top intake-outlet and described inner space, be provided with top connecting pipe in the intake-outlet of described top, described top connecting pipe is provided with the top valve be connected with pumping plant.
Preferably, adjacent described protrusion monomer structure is connected by buckle with the outside metope of described depression monomer structure.
Preferably, described protrusion framework and described depression framework include vertical cross section is trapezoidal bottom framework and is arranged at the extension framework that on described bottom framework and vertical cross section is rectangle.
Further, described side intake-outlet is arranged at described extension frame facet, and described top intake-outlet is arranged at the top of described extension framework.
Preferably, the outside of described protrusion framework and described depression framework is all wound with water stop rubber.
Preferably, described protrusion framework and described depression framework all adopt engineering plastics to make.
Preferably, described base adopts elastomeric material to make.
Preferably, described protrusion monomer structure is identical with the quantity of described depression monomer structure, and described protrusion monomer structure is 15-20.
The invention still further relates to a kind of using method adopting above-mentioned cofferdam structure, comprise the following steps:
1) several are protruded monomer structure and be dragged to several depression monomer structures the waters needing to build cofferdam structure, open described side valve door, water in described waters flows in the inner chamber of corresponding described protrusion framework and described depression framework by described side intake-outlet, whole cofferdam structure sinks gradually, until described protrusion framework identical with the water surface elevation inside and outside described depression framework after, close described side valve door;
2) two tongue and grooves of each protrusion monomer structure both sides are connected with the notch of the described depression monomer structure of adjacent both sides is mutually embedding respectively, and surrounding a circular cofferdam structure, adjacent described protrusion monomer structure is connected by buckle with described depression monomer structure;
3) described top valve is opened, open described pumping plant, water in described waters pours into the inner chamber of described protrusion framework and described depression framework by described top intake-outlet, described cofferdam structure sinks further, until after the bottom surface of each described base contacts with the bottom surface in described waters, close described top valve and described pumping plant, the water in the construction area that described cofferdam structure surrounds and the water segregation outside construction area;
4) drain the water in construction area that described cofferdam structure surrounds, in described construction area, carry out constructing operation;
5) after construction terminates, open described side valve door, water in described protrusion framework and described depression framework is discharged in described waters by described side intake-outlet, described cofferdam structure floats gradually, until described protrusion framework is with after the water surface elevation in described depression framework is identical with the water surface elevation outside described depression framework with corresponding described protrusion framework, close described side valve door;
6) described top valve is opened, open described pumping plant, the water of the inner chamber of described protrusion framework and described depression framework is discharged in described waters by top intake-outlet, described cofferdam structure floats further, until the bottom surface of each described base floats over after on described waters, close described top valve and described pumping plant;
7) buckle of the outside metope of adjacent described protrusion monomer structure and described depression monomer structure is untied, the described protrusion monomer structure of mutually embedding connection and described depression monomer structure are pulled open, the described protrusion monomer structure separated and described depression monomer structure are removed.
As mentioned above, cofferdam structure of the present invention and using method thereof, have following beneficial effect:
The present invention, by controlling to protrude the water yield in framework and depression framework, makes cofferdam structure sink or float, can realize construction and the dismounting in cofferdam easily.The present invention's adjacent protrusion monomer structure is connected with buckle by mutually embedding connection with depression monomer structure, forms firm waterproof structure.The present invention can not introduce external pollutant, can not cause harmful effect to water body.The present invention can realize the splicing of cofferdam structure, movement and dismounting, and cofferdam structure is reused, and has good economic benefit and meets the construction requirements of low-carbon (LC).
Accompanying drawing explanation
Fig. 1 is shown as the schematic diagram of protrusion monomer structure of the present invention.
Fig. 2 is shown as the schematic diagram of depression monomer structure of the present invention.
Fig. 3 is shown as the longitudinal sectional view of Fig. 1 and Fig. 2 of the present invention along A-A line.
Fig. 4 is shown as the schematic diagram of protrusion monomer structure of the present invention and depression monomer structure mutually embedding connection.
Fig. 5 is shown as the schematic top plan view of cofferdam structure of the present invention.
Fig. 6 is shown as the longitudinal sectional view of Fig. 5 of the present invention along B-B line.
Drawing reference numeral explanation
1 protrudes monomer structure
11 convex sides
12 tongue and grooves
13 protrude framework
2 depression monomer structures
21 concave sides
22 notches
23 depression frameworks
Metope inside 3
Metope outside 4
5 side intake-outlets
51 side valve doors
6 top intake-outlets
61 top valves
62 pumping plants
63 top connecting pipes
7 buckles
8 bases
91 bottom frameworks
92 extend framework
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this manual can understand other advantages of the present invention and effect easily.
Refer to accompanying drawing.Notice, structure, ratio, size etc. that this manual institute accompanying drawings illustrates, content all only in order to coordinate manual to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this manual as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 to 6, cofferdam structure of the present invention is the Temporary Cofferdam built in waters, comprise: several protrude monomer structure 1, the protrusion framework 13 comprising base 8 and be fixed on described base 8, described protrusion framework 13 is provided with inner chamber, and two convex sides 11 of described protrusion framework 13 are provided with the tongue and groove 12 of protrusion; Several monomer structures 2 that cave in, the depression framework 23 comprising base 8 and be fixed on described base 8, described depression framework 23 is provided with inner chamber, and two concave sides 21 of described depression framework 23 are provided with recessed notch 22; Described protrusion framework 13 and described depression framework 23 are equipped with and are relatively arranged on inner side metope 3 between described two convex sides 11 or concave side 21 and outside metope 4, described two convex sides 11 or concave side 21 surround described inner chamber with described inner side metope 3 and described outside metope 4; Described protrusion monomer structure 1 and described depression monomer structure 2 are alternately arranged successively, and two tongue and grooves 12 of each protrusion framework 13 are connected with the notch 22 of the depression framework 23 of adjacent both sides is mutually embedding respectively, are axis with O-O, surround a circular cofferdam structure; Described cofferdam structure surrounds construction area together by each described inner side metope 3, and described inner side metope 3 and described outside metope 4 are provided with the side intake-outlet 5 by described inner chamber and ft connection, and described side intake-outlet 5 is provided with side valve door 51; The top of described protrusion framework 13 and described depression framework 23 is equipped with top intake-outlet 6, described top intake-outlet and described inner space, be provided with top connecting pipe 63 in described top intake-outlet 6, described top connecting pipe 63 is provided with the top valve 61 be connected with pumping plant 62.
Adjacent described protrusion monomer structure 1 is connected by buckle 7 with the outside metope 4 of described depression monomer structure 2.
Described protrusion framework 13 and described depression framework 23 include vertical cross section to be trapezoidal bottom framework 91 and to be arranged at the extension framework 92 that on described bottom framework 91 and vertical cross section is rectangle.
Described side intake-outlet 5 is arranged at the side of described extension framework 92, and described top intake-outlet 6 is arranged at the top of described extension framework 92.
The outside of described protrusion framework 13 and described depression framework 23 is all wound with water stop rubber.
Described protrusion framework 13 and described depression framework 23 all adopt engineering plastics to make.
Protrude monomer structure 1 identical with the quantity of depression monomer structure 2, protruding monomer structure 1 is 15-20, and the protrusion monomer structure of the present embodiment is 16.
Control to be arranged at the side valve door 51 on the side intake-outlet 5 protruding framework 13 and depression framework 23, the water in waters is communicated with the framework 23 that caves in protrusion framework 13, forms gravity flow, protrudes the sinking of monomer structure 1 and depression monomer structure 2 or floats.Control to be arranged at the top valve 61 on the top water inlet protruding framework 13 and depression framework 23, and the pumping plant 62 to be connected with top valve 61, the water protruded in framework 13 and depression framework 23 is poured into or discharges, protrudes emerging or sinking to the bottom surface in waters of monomer structure 1 and depression monomer structure 2.Protrude monomer structure 1 to be alternately arranged successively with depression monomer structure 2, two tongue and grooves 12 of each protrusion monomer structure 1 are connected with the notch 22 of the depression monomer structure 2 of adjacent both sides is mutually embedding respectively, surround a circular cofferdam structure, form side waterproof structure.Adjacent protrusion monomer structure 1 is connected by buckle 7 with the outside metope 4 of depression monomer structure 2, makes the connection of the outside metope 4 of whole cofferdam structure more firm.It is trapezoidal bottom framework 91 that protrusion framework 13 and depression framework 23 include vertical cross section, and after making protrusion framework 13 and pouring into water in the framework 23 that caves in, in waters, maintenance is stable.
To the place scope of building Temporary Cofferdam needed to carry out cleaning to appropriate depth according to the geological conditions in place and construction requirement etc., after making planeness and antiseepage etc. reach the requirement of cofferdam structure construction, adopt the using method of cofferdam structure of the present invention, comprise the following steps:
As shown in Figure 1 to Figure 3,1) several are protruded monomer structure 1 and several depression monomer structures 2, be dragged to the waters needing to build cofferdam structure one by one individually, open described side valve door 51, water in described waters flows in the inner chamber of corresponding protrusion framework 13 and depression framework 23 by side intake-outlet 5, whole cofferdam structure sinks gradually, until protrude framework 13 identical with the water surface elevation that caves in inside and outside framework 23 after, close described side valve door 51;
As shown in Figures 4 to 6,2) two tongue and grooves 12 of each protrusion monomer structure 1 both sides are connected with the notch 22 of the depression monomer structure 2 of adjacent both sides is mutually embedding respectively, and surrounding a circular cofferdam structure, adjacent protrusion monomer structure 1 is connected by buckle 7 with depression monomer structure 2;
As shown in Figure 3 and Figure 4,3) top valve 61 is opened, open described pumping plant 62, water in described waters pours into the inner chamber protruding framework 13 and depression framework 23 by top intake-outlet 6, described cofferdam structure sinks further, until after the bottom surface of each base 8 contacts with the bottom surface in described waters, close top valve 61 and described pumping plant 62, the water in the construction area that described cofferdam structure surrounds and the water segregation outside construction area;
4) drain the water in construction area that described cofferdam structure surrounds, in described construction area, carry out constructing operation;
5) after construction terminates, open described side valve door 51, the water protruded in framework 13 and depression framework 23 is discharged in described waters by side intake-outlet 5, described cofferdam structure floats gradually, until protrude framework 13 identical with the water surface elevation caved in outside framework 23 with corresponding protrusion framework 13 with the water surface elevation that caves in framework 23 after, close described side valve door 51;
6) top valve 61 is opened, open described pumping plant 62, the water protruding framework 13 and depression framework 23 inner chamber is discharged in described waters by top intake-outlet 6, described cofferdam structure floats further, until the bottom surface of each base 8 floats over after on described waters, close top valve 61 and described pumping plant 62;
As shown in Figure 1, Figure 2 and Figure 4,7) buckle 7 of the outside metope 4 of adjacent protrusion monomer structure 1 and depression monomer structure 2 is untied, the protrusion monomer structure 1 of mutually embedding connection and depression monomer structure 2 are pulled open, the protrusion monomer structure 1 separated and depression monomer structure 2 are removed.
In sum, according to the using method of cofferdam structure of the present invention, protrude monomer structure 1 and can reuse with depression monomer structure 2, pour into the water that the water protruded in monomer structure 1 and depression monomer structure 2 is this waters, external pollutant can not be introduced, harmful effect can not be caused to environment.The present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.The present invention is frequent for economically developed, mankind's activity, the construction of the shallow lake in the particularly thorny region of people's water provides new thinking.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (9)
1. a cofferdam structure, is characterized in that, comprising:
Several protrude monomer structure (1), described protrusion monomer structure (1) comprises base (8) and is fixed on the protrusion framework (13) on described base (8), described protrusion framework (13) is provided with inner chamber, and two convex sides (11) of described protrusion framework (13) are provided with the tongue and groove (12) of protrusion;
Several depressions monomer structure (2), described depression monomer structure (2) comprises base (8) and is fixed on the depression framework (23) on described base (8), described depression framework (23) is provided with inner chamber, and two concave sides (21) of described depression framework (23) are provided with recessed notch (22);
Described protrusion framework (13) and described depression framework (23) are equipped with and are relatively arranged on inner side metope (3) between described two convex sides (11) or concave side (21) and outside metope (4), described two convex sides (11) or concave side (21) surround described inner chamber with described inner side metope (3) and described outside metope (4);
Described protrusion monomer structure (1) and described depression monomer structure (2) are alternately arranged successively, two tongue and grooves (12) of each described protrusion framework (13) are connected with the notch (22) of the depression framework (23) of adjacent both sides is mutually embedding respectively, surround a circular cofferdam structure; Described cofferdam structure surrounds construction area together by each described inner side metope (3), described inner side metope (3) and described outside metope (4) are provided with the side intake-outlet (5) by described inner chamber and ft connection, and described side intake-outlet (5) is provided with side valve door (51);
The top of described protrusion framework (13) and described depression framework (23) is equipped with top intake-outlet (6), described top intake-outlet and described inner space, be provided with top connecting pipe (63) in described top intake-outlet (6), described top connecting pipe (63) is provided with the top valve (61) be connected with pumping plant (62).
2. cofferdam structure according to claim 1, is characterized in that: adjacent described protrusion monomer structure (1) is connected by buckle (7) with the outside metope (4) of described depression monomer structure (2).
3. cofferdam structure according to claim 1, it is characterized in that, described protrusion framework (13) and described depression framework (23) include vertical cross section to be trapezoidal bottom framework (91) and to be arranged at the extension framework (92) that the upper and vertical cross section of described bottom framework (91) is rectangle.
4. cofferdam structure according to claim 3, is characterized in that, described side intake-outlet (5) is arranged at the side of described extension framework (92), and described top intake-outlet (6) is arranged at the top of described extension framework (92).
5. cofferdam structure according to claim 1, is characterized in that, the outside of described protrusion framework (13) and described depression framework (23) is all wound with water stop rubber.
6. cofferdam structure according to claim 1, is characterized in that, described protrusion framework (13) and described depression framework (23) all adopt engineering plastics to make.
7. cofferdam structure according to claim 1, is characterized in that, described base (8) adopts elastomeric material to make.
8. cofferdam structure according to claim 1, is characterized in that, described protrusion monomer structure (1) is identical with the quantity of described depression monomer structure (2), and described protrusion monomer structure (1) is 15-20.
9. the using method of the cofferdam structure according to any one of more than one claims, is characterized in that, comprises the following steps:
1) several protrusions monomer structure (1) and several depressions monomer structure (2) are dragged to the waters needing to build cofferdam structure, open described side valve door (51), water in described waters flows in the inner chamber of corresponding described protrusion framework (13) and described depression framework (23) by described side intake-outlet (5), whole cofferdam structure sinks gradually, until described protrusion framework (13) identical with the water surface elevation inside and outside described depression framework (23) after, close described side valve door (51);
2) two tongue and grooves (12) of each protrusion monomer structure (1) both sides are connected with the notch (22) of the described depression monomer structure (2) of adjacent both sides is mutually embedding respectively, and surrounding a circular cofferdam structure, adjacent described protrusion monomer structure (1) is connected by buckle (7) with described depression monomer structure (2);
3) described top valve (61) is opened, open described pumping plant (62), water in described waters pours into the inner chamber of described protrusion framework (13) and described depression framework (23) by described top intake-outlet (6), described cofferdam structure sinks further, until after the bottom surface of each described base (8) contacts with the bottom surface in described waters, close described top valve (61) and described pumping plant (62), the water in the construction area that described cofferdam structure surrounds and the water segregation outside construction area;
4) drain the water in construction area that described cofferdam structure surrounds, in described construction area, carry out constructing operation;
5) after construction terminates, open described side valve door (51), water in described protrusion framework (13) and described depression framework (23) is discharged in described waters by described side intake-outlet (5), described cofferdam structure floats gradually, until described protrusion framework (13) identical with described depression framework (23) water surface elevation outward with corresponding described protrusion framework (13) with the water surface elevation in described depression framework (23) after, close described side valve door (51);
6) described top valve (61) is opened, open described pumping plant (62), the water of described protrusion framework (13) and described depression framework (23) inner chamber is discharged in described waters by top intake-outlet (6), described cofferdam structure floats further, until the bottom surface of each described base (8) floats over after on described waters, close described top valve (61) and described pumping plant (62);
7) buckle (7) of the outside metope (4) of adjacent described protrusion monomer structure (1) and described depression monomer structure (2) is untied, the described protrusion monomer structure (1) of mutually embedding connection and described depression monomer structure (2) are pulled open, the described protrusion monomer structure (1) of separating and described depression monomer structure (2) are removed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310746561.1A CN104746523B (en) | 2013-12-30 | 2013-12-30 | cofferdam structure and using method thereof |
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| CN201310746561.1A CN104746523B (en) | 2013-12-30 | 2013-12-30 | cofferdam structure and using method thereof |
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| CN104746523A true CN104746523A (en) | 2015-07-01 |
| CN104746523B CN104746523B (en) | 2016-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592613A (en) * | 2016-12-01 | 2017-04-26 | 浙江海洋大学 | Bridge pier construction cofferdam structure |
| CN108797616A (en) * | 2018-06-15 | 2018-11-13 | 华北水利水电大学 | The adjustable base assembling structure of steel cofferdam |
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| CN1044507A (en) * | 1989-01-20 | 1990-08-08 | 新村正照 | Submerged structure and job practices thereof |
| CN1245236A (en) * | 1998-08-15 | 2000-02-23 | 刘天球 | Movable water retaining and accumulating wall |
| CN102425182A (en) * | 2011-12-01 | 2012-04-25 | 中国水电顾问集团华东勘测设计研究院 | Annular negative pressure foundation cofferdam and construction method thereof |
| CN202809627U (en) * | 2012-10-22 | 2013-03-20 | 北京农业职业学院 | Water-saving irrigation cofferdam for ornamental trees and shrubs |
| JP2013091923A (en) * | 2011-10-24 | 2013-05-16 | Chugoku Electric Power Co Inc:The | Cofferdam structure and construction method for the same |
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| CN1044507A (en) * | 1989-01-20 | 1990-08-08 | 新村正照 | Submerged structure and job practices thereof |
| CN1245236A (en) * | 1998-08-15 | 2000-02-23 | 刘天球 | Movable water retaining and accumulating wall |
| JP2013091923A (en) * | 2011-10-24 | 2013-05-16 | Chugoku Electric Power Co Inc:The | Cofferdam structure and construction method for the same |
| CN102425182A (en) * | 2011-12-01 | 2012-04-25 | 中国水电顾问集团华东勘测设计研究院 | Annular negative pressure foundation cofferdam and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106592613A (en) * | 2016-12-01 | 2017-04-26 | 浙江海洋大学 | Bridge pier construction cofferdam structure |
| CN108797616A (en) * | 2018-06-15 | 2018-11-13 | 华北水利水电大学 | The adjustable base assembling structure of steel cofferdam |
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| CN104746523B (en) | 2016-05-04 |
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