CN201686968U - Pipe-shaped adjustable drainage opening - Google Patents

Pipe-shaped adjustable drainage opening Download PDF

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Publication number
CN201686968U
CN201686968U CN2010201376086U CN201020137608U CN201686968U CN 201686968 U CN201686968 U CN 201686968U CN 2010201376086 U CN2010201376086 U CN 2010201376086U CN 201020137608 U CN201020137608 U CN 201020137608U CN 201686968 U CN201686968 U CN 201686968U
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CN
China
Prior art keywords
discharge opening
pipe
cofferdam
drainage opening
horizontal transverse
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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.)
Expired - Fee Related
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CN2010201376086U
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Chinese (zh)
Inventor
田守云
刘洋
何永良
彭旭更
唐印
程继
钟贵
石静
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CCCC TDC Southern Communications Construction Co Ltd
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CCCC TDC Southern Communications Construction Co Ltd
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Priority to CN2010201376086U priority Critical patent/CN201686968U/en
Application granted granted Critical
Publication of CN201686968U publication Critical patent/CN201686968U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the technical field of cofferdam drainage, particularly to a pipe-shaped adjustable drainage opening. The pipe-shaped adjustable drainage opening comprises a plurality of horizontal pipes (3) which are laid in backfilled earth (1) and a cofferdam (2) side by side, wherein vertical pipes (4) vertically welded with the horizontal pipes are arranged at the water inlet ports of the horizontal pipes (3); flanges (5) are arranged at the top ends of the vertical pipes (4); the vertical pipes (4) are sequentially connected with a plurality of short sections (6) used for adjusting the height through the flanges (5); and mask boards (7) used for sealing the pipes are arranged on the top surfaces of the short sections at the topmost ends or the top surfaces of the vertical pipes (4). The pipe-shaped adjustable drainage opening provided by the utility model can flexibly adjust the height of the drainage opening as required, the drainage opening can control the water level at the filling zone through the adjustment of the releasing flow, the maintenance is easy and the drainage is stable.

Description

The adjustable discharge opening of a kind of cast
Technical field
The utility model relates to cofferdam sluicing technical field, is the adjustable discharge opening of a kind of cast specifically.
Background technology
Dredging: refer to for improve shipping, flood discharge and draw, soil, cubic meter of stone digging process under water that drainage condition carries out with artificial or mechanical means.
Hydraulic reclamation: be meant dredging earth is transported to land or the point bar applied science technology of filling under water, then be meant narrowly, dig out and be sent to a kind of job practices that water front fills burrock, platform etc. by dredge boat with the earth in the rivers,lakes and seas.
With regard to the hydraulic reclamation engineering, the hydraulic reclamation number of dropouts is the key factor of this type of engineering cost of puzzlement and profit always, for excavating the dredging thing that hydraulic reclamation lands, guarantee its effective precipitation and do not run off, it is key one ring of cost control, and the success or failure of discharge opening design are the key points of hydraulic reclamation number of dropouts control, and it has determined the profit and loss situation of hydraulic reclamation engineering to a great extent.
Simultaneously, river course or ocean dredging thing are after stirring the hydraulic reclamation disembarkation, and Yu Shuixu carries out can entering external environment condition after certain precipitation process, effectively controls number of dropouts, has promptly effectively controlled the concentration of the surplus water of hydraulic reclamation, reduces the destruction of hydraulic reclamation engineering to marine environment.
The advantage and the defective of conventional discharge opening design are as follows:
Mode 1, employing " pile foundation adds the overflow low bank between fields formula of sandbag " form.
2 to 3 layers of steel pipe are buried in employing underground, adopt the mode of piling and laying sandbag to regulate water surface elevation, this kind mode relatively is fit to thicker soil property (as medium coarse sand or the clay) discharge opening of hydraulic reclamation particle and encloses low bank between fields and construct firm or basic more stable situation, or the little building site of scouring force, discharge opening place.Present hydraulic reclamation engineering chiltern constitutes complicated (coarse sand, fine silt, mud exist simultaneously), many the ship construction only is provided with 1 discharge opening, the discharge opening place washes away very big, and discharge opening and enclose low bank between fields and be simple and easy sandbag and construct very easily and to damage, this kind discharge opening goes up at water level (heavy rain season) or sand pocket when destroyed rapidly, total collapse takes place probably, and consequence is hardly imaginable.And in most hydraulic reclamation engineerings, the discharge opening setting also is subjected to blowing distance and boats and ships quantity, the influence of layout, in " North Sea Tie Shangang 1#; rear, 2# berth hydraulic reclamation engineering " that we constructed, discharge opening place and whole cofferdam bank protection sand are fine silt, the upper strata is for adding a cover backfill, slope body width is only about 30 meters, very easily washed away or draw and dig by flowing water, if adopt " pile foundation and sand pocket " pattern in the past, its basis will be very unstable, and the planeness between packed sand, compactness, stability is difficult to control, and seepage that causes between trickle slit or piping are difficult to avoid, and very easily cause regular inclination to cave in and do over again.And this shore protection that is the theme with packed sand is the ubiquitous types of most of hydraulic reclamation engineerings, so a kind of comparatively general, simple discharge opening that is suitable for of design has very big market popularization value, and can bring very large economic benefit.
Mode 2, employing case structure.
The mode that baffle plate is increased in utilization improves the discharge opening water level, this kind design effect is also better, suitable hydraulic reclamation district inside and outside differential pressure is less and ground is regional preferably, shortcoming is at present general packed sand bank protection work, the basis is basic to be undisturbed soil (be generally spread which floor packed sand then make discharge opening again), and this scheme is difficult to guarantee the stability of discharge opening, and this kind discharge opening is made complicated, cost is higher, is difficult to general.
Mode 3, employing hydro-structure.
Behind the shore protection basic forming (promptly possessing the hydraulic reclamation condition), reserving discharge opening place employing cemented rock (or making reinforced concrete structure), adopt the mode heading up of inserting steel bar girder, this kind design also can effectively be controlled loss, shortcoming is to make complexity, cost is higher, and this kind discharge opening current are bigger to washing away of basis, and discharge opening stability is difficult to guarantee.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of cast adjustable discharge opening, can adjust the discharge opening height as required flexibly, the discharge opening place can be by the adjusting flow-control hydraulic reclamation district water level of releasing, be easy to safeguard and earial drainage stable.
For reaching above purpose, the technical scheme that the utility model is taked is:
The adjustable discharge opening of a kind of cast is characterized in that comprising:
The some horizontal transverse tubes 3 that are laid in side by side in backfill 1 and the cofferdam 2,
The water inlet of horizontal transverse tube 3 is provided with vertical vertical tube 4 of perpendicular welding,
Vertically the top of vertical tube 4 is provided with flange 5, is connected with some pipe nipples 6 that are used to adjust height in turn by flange 5, and vertically the end face of the pipe nipple 6 of the end face of vertical tube 4 or top is provided with the illiteracy plate 7 that is used for sealing pipeline.
On the basis of technique scheme, be provided with the horizontal transverse tube 3 that is laid in side by side more than 2 in backfill 1 and the cofferdam 2.
On the basis of technique scheme, the height of described pipe nipple 6 is 10cm, 15cm or 20cm.
On the basis of technique scheme, two 6 of adjacent pipe nipples pass through flange 5 and are connected with bolt.
On the basis of technique scheme, horizontal transverse tube 3 is divided into the several layers setting from top to bottom, and every layer is provided with the horizontal transverse tube 3 that is laid in side by side more than 2 in backfill 1 and the cofferdam 2.
The adjustable discharge opening of cast described in the utility model has the following advantages:
1, the ingenious 90 degree bend pipe structures that utilize, adopt pipe nipple to carry out the adjusting of height, pipe nipple can adopt multiple compound mode, highly be that 10cm, 20cm, 15cm or the like all can, can be according to the different compound mode of different soil property designs, utilize the mode of " tearing open ", " dress ", pipe nipple, on 90 fixing degree bend pipe structures, carry out the adjusting of discharge opening height, can adopt the flange that has welded to fix between the pipe nipple.
2, utilize to cover plate (plate object that can seal pipeline opening is similar to the sewer pipe lid) and the pipeline that sets in a row is carried out part dam, play the effect of " lock ", control the discharge opening flow by the dismounting of covering plate.
3, can adopt geotextiles, sandbag to safeguard (because of flowing water is that swirl type is discharged, sandbag almost not being washed away) around the discharge opening, personnel can construct comparatively easily when being convenient to dismantle pipe nipple and covering plate.
4, at the discharge opening periphery hedge or fence can be set, safe label is set, prevent from that unrelated person from entering to cause security incident, appoint the professional to write down discharge opening place loss concentration and carry out record.
Description of drawings
The utility model has following accompanying drawing:
The sectional view of the adjustable discharge opening of Fig. 1 cast,
The vertical view of the adjustable discharge opening of Fig. 2 cast,
Reach pipe nipple and vertical vertical tube 4 connection diagrams between Fig. 3 pipe nipple.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Present hydraulic reclamation engineering is most inhales the ship construction for strand, and the adjustable discharge opening of cast described in the utility model can make full use of on-the-spot advantage and current material is made.The structure of the adjustable discharge opening of cast described in the utility model comprises as shown in Figure 1, 2, 3:
The some horizontal transverse tubes 3 that are laid in side by side in backfill 1 and the cofferdam 2,
The water inlet of horizontal transverse tube 3 is provided with vertical vertical tube 4 of perpendicular welding,
Vertically the top of vertical tube 4 is provided with flange 5, is connected with some pipe nipples 6 that are used to adjust height in turn by flange 5, and vertically the end face of the pipe nipple 6 of the end face of vertical tube 4 or top is provided with the illiteracy plate 7 that is used for sealing pipeline.
On the basis of technique scheme, be provided with the horizontal transverse tube 3 that is laid in side by side more than 2 in backfill 1 and the cofferdam 2.Figure 2 shows that and be provided with 6 horizontal transverse tubes 3.
On the basis of technique scheme, the height of described pipe nipple 6 is 10cm, 15cm or 20cm.
On the basis of technique scheme, two 6 of adjacent pipe nipples pass through flange 5 and are connected with bolt.
On the basis of technique scheme, horizontal transverse tube 3 can be divided into the several layers setting from top to bottom, and every layer is provided with the horizontal transverse tube 3 that is laid in side by side more than 2 in backfill 1 and the cofferdam 2.For example, be divided into 5 layers of setting, every layer is provided with 6 horizontal transverse tubes 3 side by side, uses 30 horizontal transverse tubes 3 altogether.The concrete quantity of horizontal transverse tube 3 can increase according to the size of bleeder quantity.
The utlity model has following function:
1, " adjustable height ".According to hydraulics as can be known, for the dredging earth that flows, its each level concentration increases and increases from the depth of water, so first function that the utility model possesses promptly guarantees to sluice and will be the lower part of hydraulic reclamation district top layer concentration, promptly the discharge opening height can free adjustment according to requirement of engineering.
The method of regulating is to add pipe nipple on vertical tube, and the height of pipe nipple is respectively 10cm, 20cm, 15cm, can adopt bolt to be connected between vertical tube and pipe nipple, pipe nipple and the pipe nipple, and bolted advantage is an easy accessibility, saves time.
2, " flow is controlled ".Different soil properties, precipitation situation difference in flow process, and can run into various soil property usually in same building site; Same construction site is because of the difference of Vessel's Description simultaneously, when causing shut-down to cause hydraulic reclamation district level change big because of the increase of boats and ships quantity or because of the boats and ships fault, this just needs to keep certain sluicing water level, so the utility model need have easily " dam ", the effect of " releasing ", promptly the discharge opening place can be by the adjusting flow-control hydraulic reclamation district water level of releasing.
Area of passage=the π of every pipe/4*D 2According to requirement of engineering, calculate the flow of discharge opening, determine that discharge opening is made up of several pipes.In the process of construction, bleeder quantity if desired reduces, and available illiteracy plate (plate object that can seal pipeline opening is similar to the sewer pipe lid) carries out part to the pipeline that sets in a row and dams, play the effect of " lock ", by covering the dismounting control discharge opening flow of plate.
3, " good stability ", the discharge opening of conventional design, come water very big to washing away of discharge opening and periphery thereof, when cofferdam body insufficient strength or discharge opening foundation is weak, collapse accident very easily takes place, in case collapse because of the instability of discharge opening causes, promptly can cause a large amount of losses of dredging soil, and the discharge opening width is generally more than 15 meters, also be difficult to after collapsing repair, lose self-evident, so the utility model needs to guarantee to have advantages of higher stability under variant soil property situation by certain mode.
According to hydraulics as can be known, for the dredging earth that flows, its each layer concentration increases and increases from the depth of water, for reducing to run off, the mouth of pipe of vertical tube and mud face have certain height all the time, approximately about 1m, so just reduce current to the washing away of cofferdam inside bottom, helped the stability in cofferdam.
4, " safeguard simple ", the utility model structure can not be too complicated, when running into heavy rain or other inclement weather conditions and be damaged, must can in time repair, and guarantees the unobstructed of sluicing, guarantees the safety in hydraulic reclamation district.
Mainly constitute, connect by bolt each other by the horizontal transverse tube of steel, vertical vertical tube, pipe nipple, easy accessibility, cost is low, and is easy to make.
The utility model has carried out the design of innovation for the importance of discharge opening in the Dredger Filling Engineering and the defective of conventional design, mainly has following feature:
1, discharge opening moulding rear stability is higher, and is Height Adjustable, and concentration, flow can be regulated;
2, simple structure can take full advantage of field apparatus, is easy to construction, is convenient to maintenance;
3, construction cost is low;
4, the reduction of concentration reduces the hydraulic reclamation operation to the another effective measure of marine environmental pollution;
5, design has versatility, in the impetus of the whole world a large amount of " reclaiming fields from the sea ", has very high promotional value.

Claims (5)

1. adjustable discharge opening of cast is characterized in that comprising:
The some horizontal transverse tubes (3) that are laid in side by side in backfill (1) and cofferdam (2), the water inlet of horizontal transverse tube (3) is provided with vertical vertical tube (4) of perpendicular welding, vertically the top of vertical tube (4) is provided with flange (5), be connected with some pipe nipples (6) that are used to adjust height in turn by flange (5), vertically the end face of the pipe nipple (6) of the end face of vertical tube (4) or top is provided with the illiteracy plate (7) that is used for sealing pipeline.
2. the adjustable discharge opening of cast as claimed in claim 1 is characterized in that: be provided with the horizontal transverse tube (3) that is laid in side by side more than 2 in backfill (1) and cofferdam (2).
3. the adjustable discharge opening of cast as claimed in claim 1 or 2 is characterized in that: the height of described pipe nipple (6) is 10cm, 15cm or 20cm.
4. the adjustable discharge opening of cast as claimed in claim 1 or 2 is characterized in that: be connected with bolt by flange (5) between two adjacent pipe nipples (6).
5. the adjustable discharge opening of cast as claimed in claim 1 or 2 is characterized in that: horizontal transverse tube (3) is divided into the several layers setting from top to bottom, and every layer is provided with the horizontal transverse tube (3) that is laid in side by side more than 2 in backfill (1) and cofferdam (2).
CN2010201376086U 2010-03-23 2010-03-23 Pipe-shaped adjustable drainage opening Expired - Fee Related CN201686968U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201376086U CN201686968U (en) 2010-03-23 2010-03-23 Pipe-shaped adjustable drainage opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201376086U CN201686968U (en) 2010-03-23 2010-03-23 Pipe-shaped adjustable drainage opening

Publications (1)

Publication Number Publication Date
CN201686968U true CN201686968U (en) 2010-12-29

Family

ID=43375253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201376086U Expired - Fee Related CN201686968U (en) 2010-03-23 2010-03-23 Pipe-shaped adjustable drainage opening

Country Status (1)

Country Link
CN (1) CN201686968U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101229

Termination date: 20170323