CN104746523B - cofferdam structure and using method thereof - Google Patents
cofferdam structure and using method thereof Download PDFInfo
- Publication number
- CN104746523B CN104746523B CN201310746561.1A CN201310746561A CN104746523B CN 104746523 B CN104746523 B CN 104746523B CN 201310746561 A CN201310746561 A CN 201310746561A CN 104746523 B CN104746523 B CN 104746523B
- Authority
- CN
- China
- Prior art keywords
- framework
- depression
- protrusion
- monomer
- cofferdam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The invention provides a kind of cofferdam structure and using method thereof that relates to water conservancy cofferdam technical field, this cofferdam structure comprises: several protrude monomer structure, protruding monomer structure comprises base and is fixed on the protrusion framework on base, protrude framework and be provided with inner chamber, two protruding sides of protruding framework are provided with the tongue and groove of protrusion; Several monomer structures that cave in, depression monomer structure comprises base and is fixed on the depression framework on base, and depression framework is provided with inner chamber, and two concave sides of depression framework are provided with recessed notch; Protrude on framework and depression framework and be equipped with the inner side metope and the outside metope that are relatively arranged between two protruding sides or concave side; Two tongue and grooves of each protrusion framework are connected with the notch phase embedding of the depression framework of adjacent both sides respectively, surround a circular cofferdam structure. The present invention can realize splicing, movement and the dismounting of cofferdam structure easily, can not cause harmful effect to water body, can realize the recycling of cofferdam structure.
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 that adopts soil property or steel sheet pile to build cofferdam in the construction of the cofferdam structure of shallow lake, etherLake is example, and the depth of water is 1～2m approximately, and the type of the cofferdam structure often using has steel sheet pile cofferdam structure and packeted soil cofferdam structure etc. to encloseWeir structure type. The mode of filling of cofferdam structure is all that the mode of squeezing into steel sheet pile in lake region or filling packeted soil is built cofferdam knotStructure, after the engineering in region to be onstructed finishes, need remove cofferdam structure again, in the build process of cofferdam structure, needs outer muck haulageSide and filling material, building and removing of cofferdam structure all needs to transport a large amount of construction materials, and the construction of cofferdam structure and dismounting are notOnly greatly expend quantities, and also can cause interference to water body in construction and demolishing process, cause water pollution.
How to design a kind of cleaning, can reuse, and in construction and reset procedure, can not cause to water body the cofferdam structure of interferenceThat those skilled in the art need to deal with problems.
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,Mobile and remove, for solving building and remove and all needing to transport a large amount of construction materials, engineering of existing technology cofferdam structureAmount is large, and water body is caused to interference, causes water pollution issue.
For achieving the above object and other relevant objects, the invention provides a kind of cofferdam structure, comprising: several protrude monomers knotStructure, described protrusion monomer structure comprises base and be fixed on the protrusion framework on described base, described protrusion framework is provided with inner chamber,Two protruding sides of described protrusion framework are provided with the tongue and groove of protrusion; Several monomer structures that cave in, described depression monomer structure bagDraw together base and be fixed on the depression framework on described base, described depression framework is provided with inner chamber, two recessed sides of described depression frameworkFace is provided with recessed notch; On described protrusion framework and described depression framework, be equipped be relatively arranged on described two protruding sides orInner side metope between person's concave side and outside metope, described two protruding sides or concave side and described inner side metope and described outsideSide wall surrounds described inner chamber; Described protrusion monomer structure and described depression monomer structure alternative arrangement successively, each described protrusionTwo tongue and grooves of framework are connected with the notch phase embedding of the depression framework of adjacent both sides respectively, surround a circular cofferdam structure; InstituteState cofferdam structure and surround together construction area by each described inner side metope, described inner side metope and described outside metope be provided with byDescribed inner chamber and the outside side intake-outlet being communicated with, described side intake-outlet is provided with side valve door; Described protrusion framework and described recessedThe top that falls into framework is equipped with top intake-outlet, and described top intake-outlet is communicated with described inner chamber, described top intake-outletIn be provided with top connecting pipe, described top connecting pipe is provided with the top valve being connected with pumping plant.
Preferably, the outside metope of adjacent described protrusion monomer structure and described depression monomer structure is connected by buckle.
Preferably, to include vertical cross section be trapezoidal bottom framework and be arranged at the described end for described protrusion framework and described depression frameworkThe extension framework that on framework and vertical cross section is rectangle.
Further, described side intake-outlet is arranged at described extension frame facet, described in described top intake-outlet is arranged atExtend the top of 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 15-20Individual.
The invention still further relates to a kind of using method that adopts above-mentioned cofferdam structure, comprise the following steps:
1) several are protruded to monomer structure and be dragged to several depression monomer structures the waters that need to build cofferdam structure, open instituteState side valve door, the water in described waters flows into corresponding described protrusion framework and described depression framework by described side intake-outletIn inner chamber, whole cofferdam structure sinks gradually, until the inside and outside water surface elevation of described protrusion framework and described depression framework identical after,Close described side valve door;
2) by two tongue and grooves of each protrusion monomer structure both sides respectively with the notch phase embedding of the described depression monomer structure of adjacent both sidesConnect, and surround a circular cofferdam structure, adjacent described protrusion monomer structure and described depression monomer structure pass through buckleConnect;
3) open described top valve, open described pumping plant, described in the water in described waters pours into by described top intake-outletThe inner chamber that protrudes framework and described depression framework, described cofferdam structure further sinks, until the bottom surface of each described base and instituteState after the bottom surface contact in waters, close described top valve and described pumping plant, in the construction area that described cofferdam structure surroundsWater isolation outside water and construction area;
4) drain the water in the construction area that described cofferdam structure surrounds, in described construction area, carry out constructing operation;
5) after construction finishes, open described side valve door, the water in described protrusion framework and described depression framework passes in and out by described sideThe mouth of a river is discharged in described waters, and described cofferdam structure floats gradually, until the water in described protrusion framework and described depression frameworkAfter face height is identical with water surface elevation outside corresponding described protrusion framework and described depression framework, close described side valve door;
6) open described top valve, open described pumping plant, the water of the inner chamber of described protrusion framework and described depression framework is by topPortion's intake-outlet is discharged in described waters, and described cofferdam structure further floats, until the bottom surface of each described base floats over instituteAfter stating on waters, close described top valve and described pumping plant;
7) untie the buckle of the outside metope of adjacent described protrusion monomer structure and described depression monomer structure, phase embedding is connectedDescribed protrusion monomer structure and described depression monomer structure pull open, by the described protrusion monomer structure separating and described depression monomer knotStructure is removed.
As mentioned above, cofferdam structure of the present invention and using method thereof, have following beneficial effect:
The present invention is protruded the water yield in framework and depression framework by control, makes cofferdam structure sink or float, can be easilyRealize construction and the dismounting in cofferdam. The adjacent protrusion monomer structure of the present invention is connected with buckle by phase embedding connection with depression monomer structure,Form firm water-stop structure. The present invention can not introduce external pollutant, can not cause harmful effect to water body. Energy of the present inventionEnough realize splicing, movement and the dismounting of cofferdam structure, cofferdam structure can be reused, there is good economic benefit and symbolClose the construction requirements of low-carbon (LC).
Brief description of the drawings
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 Fig. 1 of the present invention and Fig. 2 longitudinal sectional view along A-A line.
Fig. 4 is shown as the protrusion monomer structure of the present invention schematic diagram that embedding is connected with depression monomer structure phase.
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 protruding sides
12 tongue and grooves
13 protrude framework
2 depression monomer structures
21 concave sides
22 notches
23 depression frameworks
3 inner side metopes
4 outside metopes
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 explanation embodiments of the present invention, person skilled in the art scholar can be taken off by this description belowThe content of revealing is understood other advantages of the present invention and effect easily.
Refer to accompanying drawing. Notice, appended graphic the illustrated structure of this description, ratio, size etc., all only say in order to coordinateThe content that bright book discloses, understands and reads for person skilled in the art scholar, not in order to limit the enforceable restriction of the present inventionCondition, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, at shadow notUnder effect that sound the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain and can containIn the scope of lid. Meanwhile, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc.,Also only clear for ease of what narrate, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment,Change under technology contents, when being also considered as the enforceable category of the present invention without essence.
As shown in Figures 1 to 6, cofferdam structure of the present invention is the Temporary Cofferdam of building in waters, comprising: several protrusionsMonomer 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,Two protruding sides 11 of described protrusion framework 13 are provided with the tongue and groove 12 of protrusion; Several monomer structures 2 that cave in, comprise base8 and be fixed on the depression framework 23 on described base 8, described depression framework 23 is provided with inner chamber, two of described depression framework 23Individual concave side 21 is provided with recessed notch 22; On described protrusion framework 13 and described depression framework 23, be equipped with and be oppositely arrangedInner side metope 3 and outside metope 4 between described two protruding sides 11 or concave side 21, described two protruding sides 11 orPerson's concave side 21 surrounds described inner chamber with described inner side metope 3 and described outside metope 4; Described protrusion monomer structure 1 with described inDepression monomer structure 2 alternative arrangement successively, two tongue and grooves 12 of each protrusion framework 13 respectively with the depression framework of adjacent both sides23 notch 22 phase embeddings connect, and taking O-O as axis, surround a circular cofferdam structure; Described cofferdam structure is by each instituteState inner side metope 3 surround together construction area, described inner side metope 3 and described outside metope 4 be provided with by described inner chamber withThe outside side intake-outlet 5 being communicated with, described side intake-outlet 5 is provided with side valve door 51; Described protrusion framework 13 and described depressionThe top of framework 23 is equipped with top intake-outlet 6, and described top intake-outlet is communicated with described inner chamber, described top Inlet and outlet waterIn mouth 6, be provided with top connecting pipe 63, described top connecting pipe 63 is provided with the top valve 61 being connected with pumping plant 62.
Adjacent described protrusion monomer structure 1 and the outside metope 4 of described depression monomer structure 2 are connected by buckle 7.
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 described endThe extension framework 92 that on 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 described extensionThe top of 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, the present embodimentProtrusion monomer structure be 16.
Water in waters is communicated with protrusion framework 13 and depression framework 23, forms gravity flow, and control is arranged at protrudes framework 13 HesSide valve door 51 on the side intake-outlet 5 of depression framework 23, make to protrude monomer structure 1 and depression monomer structure 2 sink orFloat. Control is arranged at the top valve 61 on the top water inlet that protrudes framework 13 and depression framework 23, and and crown valveThe pumping plant 62 that door 61 connects, pours into the water protruding in framework 13 and depression framework 23 or discharge, and protrudes monomer structure 1 HeThe emerging or sink to the bottom surface in waters of depression monomer structure 2. Protrude monomer structure 1 and cave in monomer structure 2 successivelyAlternative arrangement, two tongue and grooves 12 of each protrusion monomer structure 1 respectively with the notch 22 of the depression monomer structure 2 of adjacent both sidesPhase embedding connects, and surrounds a circular cofferdam structure, forms side water-stop structure. Adjacent protrusion monomer structure 1 and depression are singleThe outside metope 4 of body structure 2 connects by buckle 7, makes the connection of outside metope 4 of whole cofferdam structure more firm. ProtrudeIt is trapezoidal bottom framework 91 that framework 13 and depression framework 23 include vertical cross section, makes to protrude in framework 13 and depression framework 23After pouring into water, in waters, keep stable.
Clear up suitably dark according to geological conditions and the construction requirement etc. in place in the place scope that need to build Temporary CofferdamDegree, reaches after the requirement of cofferdam structure construction flatness and antiseepage etc., adopts the using method of cofferdam structure of the present invention, bagDraw together following steps:
As shown in Figure 1 to Figure 3,1) several are protruded to monomer structure 1 and several depression monomer structures 2, independent one by oneBe dragged to the waters that need to build cofferdam structure, open described side valve door 51, the water in described waters flows by side intake-outlet 5Enter in the inner chamber of corresponding protrusion framework 13 and depression framework 23, whole cofferdam structure sinks gradually, until protrude framework 13 HesAfter the inside and outside water surface elevation of framework 23 that caves in is identical, close described side valve door 51;
As shown in Figures 4 to 6,2) recessed with adjacent both sides respectively by two tongue and grooves 12 of each protrusion monomer structure 1 both sidesThe notch 22 phase embeddings that fall into monomer structure 2 connect, and surround a circular cofferdam structure, adjacent protrusion monomer structure 1 and recessedFalling into monomer structure 2 connects by buckle 7;
As shown in Figure 3 and Figure 4,3) open top valve 61, open described pumping plant 62, the water in described waters passes through topIntake-outlet 6 pours into the inner chamber that protrudes framework 13 and depression framework 23, and described cofferdam structure further sinks, until each endAfter the bottom surface of seat 8 contacts with the bottom surface in described waters, close top valve 61 and described pumping plant 62, described cofferdam structure wrapsWater isolation outside water and construction area in the construction area enclosing;
4) drain the water in the construction area that described cofferdam structure surrounds, in described construction area, carry out constructing operation;
5) after construction finishes, open described side valve door 51, the water protruding in framework 13 and depression framework 23 passes through side Inlet and outlet waterMouth 5 is discharged in described waters, and described cofferdam structure floats gradually, until protrude the water surface in framework 13 and depression framework 23After height is identical with water surface elevation outside corresponding protrusion framework 13 and depression framework 23, close described side valve door 51;
6) open top valve 61, open described pumping plant 62, the water that protrudes framework 13 and depression framework 23 inner chambers passes through topIntake-outlet 6 is discharged in described waters, and described cofferdam structure further floats, until described in the bottom surface of each base 8 floats overAfter on waters, close top valve 61 and described pumping plant 62;
As shown in Figure 1, Figure 2 and Figure 4,7) untie the outside metope of adjacent protrusion monomer structure 1 and depression monomer structure 24 buckle 7, the protrusion monomer structure 1 that phase embedding is connected and depression monomer structure 2 pull open, by the protrusion monomer structure 1 separatingRemove with depression monomer structure 2.
In sum, according to the using method of cofferdam structure of the present invention, protrude monomer structure 1 and can weigh with depression monomer structure 2Multiple utilization, pours into the water protruding in monomer structure 1 and depression monomer structure 2 and is the water in this waters, can not introduce external dirtDye thing, can not cause harmful effect to environment. The present invention has effectively overcome various shortcoming of the prior art and tool high industrial profitBy value. The present invention is for economically developed, mankind's activity is frequent, the construction of the shallow lake in the particularly thorny region of people's water provides think ofRoad.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention. Anyly be familiar with this skillThe personage of art all can, under spirit of the present invention and category, modify or change above-described embodiment. Therefore, such asUnder have in technical field conventionally know the knowledgeable do not depart under disclosed spirit and technological thought, complete all etc.Effect is modified or is changed, and 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), and described protrusion monomer structure (1) comprises base (8) and is fixed on described base (8)On protrusion framework (13), described protrusion framework (13) is provided with inner chamber, two protruding sides (11) of described protrusion framework (13)Be provided with the tongue and groove (12) of protrusion;
Several depression monomer structures (2), described depression monomer structure (2) comprises base (8) and is fixed on described base (8)On depression framework (23), described depression framework (23) is provided with inner chamber, two concave sides (21) of described depression framework (23)Be provided with recessed notch (22);
On described protrusion framework (13) and described depression framework (23), be equipped with and be relatively arranged on described two protruding sides (11)Or the inner side metope (3) between concave side (21) and outside metope (4), described two protruding sides (11) or recessed sideFace (21) surrounds 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) alternative arrangement successively, each described protrusion framework (13)Two tongue and grooves (12) be connected with notch (22) the phase embedding of the depression framework (23) of adjacent both sides respectively, surround a circleCofferdam structure; Described cofferdam structure surrounds construction area together by each described inner side metope (3), described inner side metope (3)Be provided with described inner chamber and the outside side intake-outlet (5) being communicated with, described side intake-outlet with described outside metope (4)(5) be 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 topIntake-outlet is communicated with described inner chamber, is provided with top connecting pipe (63), described top in described top intake-outlet (6)Connecting pipe (63) is provided with the top valve (61) being connected with pumping plant (62).
2. cofferdam structure according to claim 1, is characterized in that: adjacent described protrusion monomer structure (1) and described recessedThe outside metope (4) that falls into monomer structure (2) connects by buckle (7).
3. cofferdam structure according to claim 1, is characterized in that, described protrusion framework (13) and described depression framework (23)Include vertical cross section and be trapezoidal bottom framework (91) and be arranged at that described bottom framework (91) is upper and vertical cross section is rectangle prolongsStretch framework (92).
4. cofferdam structure according to claim 3, is characterized in that, described side intake-outlet (5) is arranged at described elongation frameThe side of frame (92), 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, described protrusion framework (13) and described depression framework (23)Outside be 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) and described depression monomerThe quantity of structure (2) is identical, and described protrusion monomer structure (1) is 15-20.
9. with a using method for the cofferdam structure described in any one in claim 1-7, it is characterized in that, comprise the following steps:
1) several protrusion monomer structures (1) and several depression monomer structures (2) are dragged to the water that need to build cofferdam structureTerritory, opens described side valve door (51), and the water in described waters flows into corresponding described protrusion by described side intake-outlet (5)In the inner chamber of framework (13) and described depression framework (23), whole cofferdam structure sinks gradually, until described protrusion framework (13)After the water surface elevation inside and outside with described depression framework (23) is identical, close described side valve door (51);
2) two tongue and grooves (12) of each protrusion monomer structure (1) both sides are tied with the described depression monomer of adjacent both sides respectivelyNotch (22) the phase embedding of structure (2) connects, and surrounds a circular cofferdam structure, adjacent described protrusion monomer structure (1)Be connected by buckle (7) with described depression monomer structure (2);
3) open described top valve (61), open described pumping plant (62), the water in described waters is by described top Inlet and outlet waterMouth (6) pours into the inner chamber of described protrusion framework (13) and described depression framework (23), and described cofferdam structure further sinks,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 pumpStand (62), the water isolation outside water and construction area in the construction area that described cofferdam structure surrounds;
4) drain the water in the construction area that described cofferdam structure surrounds, in described construction area, carry out constructing operation;
5) after construction finishes, open described side valve door (51), in described protrusion framework (13) and described depression framework (23)Water be discharged in described waters by described side intake-outlet (5), described cofferdam structure floats gradually, until described protrusion frameWater surface elevation in frame (13) and described depression framework (23) and corresponding described protrusion framework (13) and described depression framework(23) outer water surface elevation identical after, close described side valve door (51);
6) open described top valve (61), open described pumping plant (62), described protrusion framework (13) and described depression framework(23) water of inner chamber is discharged in described waters by top intake-outlet (6), and described cofferdam structure further floats, untilAfter the bottom surface of each described base (8) floats on described waters, close described top valve (61) and described pumping plant (62);
7) untie the card of the outside metope (4) of adjacent described protrusion monomer structure (1) and described depression monomer structure (2)Button (7), described protrusion monomer structure (1) and described depression monomer structure (2) that phase embedding is connected pull open, by the institute separatingStating protrusion monomer structure (1) and described depression monomer structure (2) removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746561.1A CN104746523B (en) | 2013-12-30 | 2013-12-30 | cofferdam structure and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746561.1A CN104746523B (en) | 2013-12-30 | 2013-12-30 | cofferdam structure and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104746523A CN104746523A (en) | 2015-07-01 |
| CN104746523B true CN104746523B (en) | 2016-05-04 |
Family
ID=53586723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310746561.1A Active CN104746523B (en) | 2013-12-30 | 2013-12-30 | cofferdam structure and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104746523B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592613B (en) * | 2016-12-01 | 2018-09-21 | 浙江海洋大学 | A kind of Bridge Pier Construction cofferdam structure |
| CN108797616B (en) * | 2018-06-15 | 2020-04-10 | 华北水利水电大学 | Adjustable base assembly structure of steel cofferdam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6027732B2 (en) * | 2011-10-24 | 2016-11-16 | 中国電力株式会社 | Temporary deadline structure and construction method of temporary deadline structure |
-
2013
- 2013-12-30 CN CN201310746561.1A patent/CN104746523B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104746523A (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104746523B (en) | cofferdam structure and using method thereof | |
| CN106592516B (en) | A kind of Acting on Perforated Caisson vertical breakwater | |
| CN201785733U (en) | Spillway chute structure | |
| CN104196117B (en) | Rain and sewage converging and intercepting device | |
| CN104480911B (en) | Flexible foundation energy dissipater structure | |
| CN202831198U (en) | Sewage intercepting well capable of preventing river water from flowing backward | |
| CN207376624U (en) | The prefabricated pile cover node structure in assembled pile foundation wharfs | |
| CN203173911U (en) | Precipitation device | |
| CN102852219A (en) | Backflow-preventing sewage intercepting well | |
| CN207109989U (en) | A kind of town road portable drainage system | |
| CN203716275U (en) | Rainwater and sewage dividing facility | |
| CN109236032A (en) | A kind of easy Anti-seismic of hydraulic engineering construction hinders silt guardrail | |
| CN202090405U (en) | Stink-proof and anti-backflowing floor drain | |
| CN102296697A (en) | Balance weight float bowl | |
| CN203320563U (en) | Telescopic check ring for municipal engineering and inspection well with telescopic check ring | |
| CN213979238U (en) | Floor drain convenient to disassemble | |
| CN202732287U (en) | Overflow pipeline anti-siphon device for normal-pressure gas-liquid separator of water ring vacuum pump | |
| CN202689128U (en) | Backward flowing prevention floor drain device | |
| CN206409723U (en) | Automatic pressure reducing valve | |
| CN205557559U (en) | Sediment trapping bank | |
| CN101877033B (en) | Hydraulic judgment method of applicability of gravity dam and flaring pier combined energy dissipater | |
| CN202830949U (en) | Novel box type base | |
| CN201649112U (en) | Sedimentation decompression earthquake proof construction foundation structure | |
| Hong et al. | CFD analysis on the performance of an overturnable water gate for reservoir spillway | |
| CN210086321U (en) | Anti-floating underground garage with counterweight at cone angle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |