CN205975646U - Shallow water territory steel pipe pile holder fortifield village weir structure - Google Patents
Shallow water territory steel pipe pile holder fortifield village weir structure Download PDFInfo
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- CN205975646U CN205975646U CN201620949412.4U CN201620949412U CN205975646U CN 205975646 U CN205975646 U CN 205975646U CN 201620949412 U CN201620949412 U CN 201620949412U CN 205975646 U CN205975646 U CN 205975646U
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Abstract
The utility model provides a shallow water territory steel pipe pile holder fortifield village weir structure, including the atress skeleton that inserts waters lower part soil structure, the atress skeleton encloses into construction region, the atress skeleton includes back side steel pipe layer and upstream face steel pipe layer, back side steel pipe layer and upstream face steel pipe layer are arranged by the vertical steel pipe of individual layer and are formed, insert in the soil body of waters bottom below the bottom of vertical steel pipe, through horizontal steel pipe fixed connection between the vertical steel pipe, horizontal steel pipe end to end passes through the wire rope fastening on vertical steel pipe, the vertical steel pipe on the vertical steel pipe on back side steel pipe layer and the upstream face steel pipe layer that corresponds passes through drawknot wire rope and connects the fastening, the back side steel pipe layer one side relative with upstream face steel pipe layer all is equipped with one deck dense mesh, upstream face steel pipe layer and lay and be provided with one deck geotechnique cloth between the dense mesh above that, the clay has been filled between back side steel pipe layer and the upstream face steel pipe layer. The utility model discloses a weir structure construction of steel pipe pile holder fortifield village has safe and reliable, economical and practical, the convenient characteristics of construction.
Description
Technical field
This utility model is related to cofferdam structure, more particularly, to a kind of shallow water area steel pipe pile holder earth cofferdam structure.
Background technology
Cofferdam construction is the practices well across waters bridge, that is, in hydraulic engineering construction, sets for building permanent water conservancy
Apply, the provisional building enclosure built.Its effect be prevent water and soil enter building build position so that in cofferdam arrange
Water, excavation pit, build building.Typically it is mainly used in waterwork, in addition to the part as formal building, cofferdam
General dismounting after being finished.Cofferdam height is higher than the peak level being likely to occur in the construction time.
The cofferdam method commonly used at present has earth rock cofferdam, turf cofferdam, wood sheet-pile cofferdam, crib cofferdam and steel sheet-pile cofferdam
Deng.Widely used in large and medium-sized bridge is steel sheet-pile cofferdam, wood sheet-pile cofferdam and earth rock cofferdam etc..
1st, steel sheet-pile cofferdam：Steel sheet-pile cofferdam is a kind of the most frequently used sheet-pile cofferdam, and steel sheet pile is the one kind with fore shaft
Shaped steel, there are straight panel shape, flute profile and Z-shaped etc. in its section, has full range of sizes and interlocking form.Common are Ademilson formula of drawing, draw
Ke Wannashi etc..Its advantage is：Intensity is high, easily squeezes into hard soil layer；Can be in deep subaqueous work, water resistance is good；Can be on demand
Form the cofferdam of various profiles, and can repeatedly use, therefore, it of many uses.Bridge construction is usually used in sink
The cofferdam of Jing Ding, cofferdam of tube caisson foudations, pile foundation and open cut foundation etc..These cofferdam are many to be had using in the closed cofferdam of single wall
Vertically and horizontally support, if necessary plus bearing diagonal becomes an inclosure.In waterwork, general construction area is very big, then commonly use with
Make structure body cofferdam.It is that the monomer being interconnected by many is constituted, and each monomer is made up of many steel sheet piles, in monomer again
Between tamped with soil.The scope that cofferdam is gone along with sb. to guard him is very big it is impossible to supporting support weir wall, therefore each monomer can be resisted alone and incline
Cover, slide and prevent the drawing crack at interlocking.Conventional has the form such as circle and next door shape.
Steel sheet-pile cofferdam shortcoming：
A, steel sheet pile construction technique are more complicated, and the engineering time is long, are not suitable for distance, large area is carried out；
B, steel sheet pile set higher to piling equipment requirements, need the supporting piling machine can accurate piling construction；
C, steel sheet pile solid matter set consumable quantity greatly, and construction cost is high.
2nd, wood sheet-pile cofferdam：Less, the less foundation ditch of area can adopt wood sheet-pile cofferdam to depth.For antiseep, sheet pile
Between tongue-and-groove should be had to connect.When water is not deep, available monolayer pile plank, internal plus support is to balance external pressure.When water is deeper, can
Use double-walled pile plank, use iron stay or beam tension between double-walled, banket in centre.Typically not greater than 6～7 meters of its height.
Wood sheet-pile cofferdam shortcoming：
It is applied to the less foundation ditch of area, during large-area construction, wood consumption is big, can not in the little area of timber yield
Meet construction demand, and easily cause environmental disruption, be unfavorable for the sustainable development of environment.
3rd, steel pipe pile cofferdam：Including at least two row's steel-pipe piles, channel-section steel and I-steel, it is marked with coarse sand inside described steel-pipe pile simultaneously
And two row's steel-pipe piles, channel-section steel and I-steel are fixedly connected into the frame structure of solid, between wherein two row's steel-pipe piles, pass through channel-section steel horizontal stroke
To connection, longitudinally connected by I-steel between the steel-pipe pile of homonymy, it is provided with bamboo plate and bamboo plate edge inside described frame structure
Steel-pipe pile inner edge is fixed, described bamboo plate liner geotextiles, and geotextiles are tied up silk by reinforcing bar and sewed on bamboo plate.
Other cofferdam shortcomings：The cofferdam structure of other structures form is generally used for that water surface area is less and that the depth of water is shallower is little
Bridge or the cofferdam structure having specific demand, have that reliability is high, constructional difficulties, relatively costly or cannot large-area construction ask
Topic.
Content of the invention
This utility model purpose is to provide a kind of shallow water area steel pipe pile holder earth cofferdam structure purpose to be to solve prior art to apply
Work technique is more complicated, and the engineering time is long, is not suitable for distance, the technical problem of large area development, also solves prior art and easily makes
Become environmental disruption, be unfavorable for the technical problem of the sustainable development of environment.
For achieving the above object, this utility model provides technical scheme below：A kind of shallow water area steel pipe pile holder earth cofferdam knot
Structure, including the stress frame of insertion waters bottom soil structures, described stress frame surround construction area it is characterised in that：Institute
State stress frame and include back side steel pipe layer and upstream face steel pipe layer, described back side steel pipe layer and upstream face steel pipe layer are by list
Layer vertical steel pipe arrangement form, the bottom of described vertical steel pipe is inserted in the soil body below water bottom, described back side steel pipe
It is fixedly connected by horizontal steel tube between layer or upstream face steel pipe in the layer vertical steel pipe, described horizontal steel tube joins end to end and passes through
Steel wire rope is fastened on vertical steel pipe, the vertical steel of the vertical steel pipe of described back side steel pipe layer and corresponding upstream face steel pipe layer
Gutron is crossed drawknot steel wire rope and is connected fastening；The described back side steel pipe layer one side relative with upstream face steel pipe layer is all laid with one layer
Dense mesh screen, is additionally provided with one layer of geotextiles between described upstream face steel pipe layer and the Dense mesh screen laying thereon；Described back side steel
Clay has been filled between the Dense mesh screen layer on Dense mesh screen layer and upstream face steel pipe layer in tube layer.
It is further preferred that described back side steel pipe layer sets heap soil layer towards the one side of construction area, described heap soil layer is tight
Patch back side steel pipe layer.
Further, the diameter of described drawknot steel wire rope is 15mm.
Further, the distance between described back side steel pipe layer or upstream face steel pipe in the layer vertical steel pipe be 45 ~
55cm.
Additionally, the level interval between described back side steel pipe layer and upstream face steel pipe layer is 2.5 ~ 3.5m.
It is further preferred that the top of the vertical steel pipe of described back side steel pipe layer and upstream face steel pipe layer is at least above the water surface
0.5m.
Compared with prior art this utility model has the characteristics that and beneficial effect：
This utility model using steel pipe pile holder earth cofferdam structure construction have safe and reliable, economical and practical, construction easily
Feature, solves underground sand seam geology disaster by steel pipe pile holder earth cofferdam structure, steel pipe sets, steel pipe is reinforced and double-row steel pipe
The problems such as internal soil body of stake consolidates.Additionally, compared with conventionally employed timber cofferdam, this utility model avoids timber to cut down, steel pipe
Layer inner side clay can be gathered materials on the spot, and can restore to the original state, effectively reduce environmental protection restoration costs, achieve very during cofferdam demolition
Good application effect.This utility model construction technology is simple, and the engineering time is short, and suitable distance, large area are carried out, consumable quantity
Low, construction cost bottom.
Brief description
Fig. 1 is a kind of structural representation of this utility model shallow water area steel pipe pile holder earth cofferdam structure.
Fig. 2 is the structural representation of the back side steel pipe layer involved by this utility model and upstream face steel pipe layer.
Fig. 3 is the heap soil layer construction schematic diagram involved by this utility model.
Fig. 4 is the structural representation of the upstream face steel pipe layer involved by this utility model.
Reference：1- back side steel pipe layer；2- upstream face steel pipe layer；3- clay；4- heap soil layer；The 5- water surface；6- geotechnique
Cloth；7- Dense mesh screen；8- horizontal steel tube；9- drawknot steel wire rope；10- water bottom.
Specific embodiment
Technological means, character of innovation, reached purpose and effect for making this utility model realize are easy to understand, below
In conjunction with accompanying drawing, this utility model is further illustrated.
The embodiment that here is recorded is specific specific embodiment of the present utility model, of the present utility model for illustrating
Design, is all explanatory and exemplary, should not be construed as the limit to this utility model embodiment and this utility model scope
System.The enforcement exception recorded except here, those skilled in the art can also be public based on the application claims and description institute
The content opened includes doing using the embodiment that here is recorded using obviously other technical schemes, these technical schemes
Go out the technical scheme of any obvious substitutions and modifications.
This utility model provides a kind of shallow water area steel pipe pile holder earth cofferdam structure, a kind of shown as illustrated in fig. 1 and 2, shallow water
Domain steel pipe pile holder earth cofferdam structure, including the stress frame of insertion waters bottom soil structures, stress frame surrounds construction area,
Stress frame includes back side steel pipe layer 1 and upstream face steel pipe layer 2, back side steel pipe layer 1 and upstream face steel pipe as shown in Figure 4
Layer 2 by monolayer vertical steel pipe arrangement form, between the vertical steel pipe in back side steel pipe layer 1 or upstream face steel pipe layer 2 away from
From for 45 ~ 55cm, the top of the vertical steel pipe of back side steel pipe layer 1 and upstream face steel pipe layer 2 is at least above water surface 0.5m, backwater
Level interval between face steel pipe layer 1 and upstream face steel pipe layer 2 is 2.5 ~ 3.5m.The bottom insertion water bottom 10 of vertical steel pipe
In the soil body of lower section, pass through horizontal steel tube 8 between the vertical steel pipe in back side steel pipe layer 1 or upstream face steel pipe layer 2 fixing even
Connect, horizontal steel tube 8 is joined end to end and is fastened on vertical steel pipe by steel wire rope, the vertical steel pipe of back side steel pipe layer 1 and correspondence
Upstream face steel pipe layer 2 vertical steel pipe pass through drawknot steel wire rope 9 connect fastening, the diameter of drawknot steel wire rope 9 is 15mm.Backwater
Face steel pipe layer 1 one side relative with upstream face steel pipe layer 2 is all laid with one layer of Dense mesh screen 7, upstream face steel pipe layer 2 be laid in it
On Dense mesh screen 7 between be additionally provided with one layer of geotextiles 6；On 7 layers of Dense mesh screen in back side steel pipe layer 1 and upstream face steel pipe layer 2
7 layers of Dense mesh screen between filled clay 3.As shown in figure 3, back side steel pipe layer 1 sets heap soil layer towards the one side of construction area
4, heap soil layer 4 is close to back side steel pipe layer 1.
Of the present utility model construction method is provided below：
1st, field investigation
Local climate characteristic should be understood from local meteorological department first, grasp the operable time of construction, base area is surveyed
Data, carries out to geology along the line investigating survey data accuracy with checking again, understands at hydraulic department and local resident
Water level throughout the year, and before construction, the depth of water along the line is investigated on the spot, cofferdam design can be carried out after grasping information above.
2nd, cofferdam design
Cofferdam design should meet construction demand on the basis of taking into full account structure safety and economic rationality is designed,
Main consideration operation side width, division of cofferdam structure size, lateral water pressure and flowing water section etc., consider steel pipe simultaneously
The technique of pile holder earth cofferdam construction.
3rd, surveying and locating
Driven piles according to setting position setting-out, during setting-out, bamboo pole is inserted in water according to a position, positioned.
4th, steel-pipe pile sets
Cofferdam is designed as double-row steel pipe pilework, and pile spacing is 50cm, and driving depth is determined by calculating according to the depth of water, adopts
With excavator, steel pipe is squeezed in lakebed soil, arrange special messenger's actual measurement steel pipe protruded length during piling, to control embedded depth, steel
It is the key of this technique that pile tube sets.By to water-bed geology investigate on the spot and long-term water level understanding, solve using steel
Specification, inserting piling depth and set the key technical problems such as spacing, innovatively propose steel pipe pile holder earth cofferdam construction technology.
5th, connect between stake
By the use of the double-row steel pipe stake setting along cofferdam direction as the stress frame in cofferdam, every steel-pipe pile part inserting piling enters
Play the effect of fixing steel pipe in water-bed soil, using same specification steel pipe, steel-pipe pile is done longitudinally elongated connection, will using steel wire rope
Two row's steel-pipe pile lateral connection, make two row's steel-pipe piles formed cage structures, adopt between double-row steel pipe stake φ 15 steel wire rope to draw with
Increase stablizing of cofferdam；Single steel-pipe pile is longitudinally connected to be tied up using same diameter steel for steel pipes cord, so that longitudinal steel-pipe pile is altogether
Same stress.
6th, laying geotextiles, Dense mesh screen
One layer of Dense mesh screen and waterproof geotextiles are laid to prevent the current scour cofferdam soil body and to enclose inside upstream face steel-pipe pile
The weir soil body caves in, and geotextiles are fixed on skeleton.One layer of Dense mesh screen is laid so that in the soil body of cofferdam inside back side steel-pipe pile
Water oozes out, to prevent the cofferdam soil body from caving in and to ensure the firm of the soil body.
7th, banket
Take soil inside cofferdam to fill to double-row steel pipe stake, start to fill from one end, fill 50cm above to the water surface.
8th, draw water, inner side earthing
Draw water and should slowly carry out in cofferdam, the daily water surface declines and must not exceed 30cm, strengthens observing simultaneously, occur dangerous situation will and
When earth backing or piling reinforce.Cofferdam inner rim has set gutter, and lower has dug sump.Inside cofferdam after the completion of drawing water stake every
30m mound, reinforces to cofferdam stake.
Advantages of the present invention and effect
1st, social benefit
This utility model solves and caused environmental disruption using timber pile cofferdam waste timber in the past, and steel sheet-pile cofferdam cost
High the drawbacks of, replace timber using steel pipe, decrease the consumption of trees, blocked water using geotextiles and Dense mesh screen characteristic and consider
Water, decreases rolled steel dosage than steel sheet pile, is also made that contribution for national environmental protection.Technique is in across waters bridge construction
There are preferable promotion and application be worth.
2nd, Ji benefit
In this technology in implementation process, significantly reduce construction cost, before ensureing quality, safe construction
Put, wherein steel-pipe pile particular charge saves construction cost than steel sheet-pile cofferdam.
3rd, environmental conservation
Traditional wood sheet-pile cofferdam is relatively broad in south China major part shallow waters application, and steel pipe pile cofferdam is in wood
The novel cofferdam construction technology of improvement on the basis of sheet-pile cofferdam, wood sheet-pile cofferdam mainly consumes timber, typically adopts pile plank dimension
Shield can consume a lot of timber, and recycling rate of waterused is very low.For avoiding the felling of trees, in line with environmental protection theory it is believed that
The application of steel pipe pile holder earth cofferdam construction can be further extensive.Inside steel-pipe pile, folder soil can be gathered materials on the spot, and can recover during cofferdam demolition
Original state, effectively reduces environmental protection restoration costs, achieves extraordinary application effect.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. a kind of shallow water area steel pipe pile holder earth cofferdam structure, including the stress frame of insertion waters bottom soil structures, described is subject to
Power skeleton surround construction area it is characterised in that：Described stress frame includes back side steel pipe layer（1）With upstream face steel pipe layer
（2）, described back side steel pipe layer（1）With upstream face steel pipe layer（2）By monolayer vertical steel pipe arrangement form, described vertical steel pipe
Bottom insertion water bottom（10）In the soil body of lower section, described back side steel pipe layer（1）Or upstream face steel pipe layer（2）Interior is perpendicular
Pass through horizontal steel tube between steel pipe（8）It is fixedly connected, described horizontal steel tube（8）Join end to end and be fastened on vertically by steel wire rope
On steel pipe, described back side steel pipe layer（1）Vertical steel pipe and corresponding upstream face steel pipe layer（2）Vertical steel pipe pass through drawknot
Steel wire rope（9）Connect fastening；Described back side steel pipe layer（1）With upstream face steel pipe layer（2）Relative one side is all laid with one layer
Dense mesh screen（7）, described upstream face steel pipe layer（2）With the Dense mesh screen laying thereon（7）Between be additionally provided with one layer of geotextiles（6）；
Described back side steel pipe layer（1）On Dense mesh screen（7）Layer and upstream face steel pipe layer（2）On Dense mesh screen（7）Fill between layer
Clay（3）.
2. as claimed in claim 1 a kind of shallow water area steel pipe pile holder earth cofferdam structure it is characterised in that：Described back side steel pipe
Layer（1）One side towards construction area sets heap soil layer（4）, described heap soil layer（4）It is close to back side steel pipe layer（1）.
3. as claimed in claim 1 a kind of shallow water area steel pipe pile holder earth cofferdam structure it is characterised in that：Described drawknot steel wire rope
（9）Diameter be 15mm.
4. as claimed in claim 1 a kind of shallow water area steel pipe pile holder earth cofferdam structure it is characterised in that：Described back side steel pipe
Layer（1）Or upstream face steel pipe layer（2）The distance between interior vertical steel pipe is 45 ~ 55cm.
5. as claimed in claim 1 a kind of shallow water area steel pipe pile holder earth cofferdam structure it is characterised in that：Described back side steel pipe
Layer（1）With upstream face steel pipe layer（2）Between level interval be 2.5 ~ 3.5m.
6. as claimed in any one of claims 1 to 5, wherein a kind of shallow water area steel pipe pile holder earth cofferdam structure it is characterised in that：Institute
State back side steel pipe layer（1）With upstream face steel pipe layer（2）Vertical steel pipe top be higher than the water surface（5）At least 0.5m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620949412.4U CN205975646U (en) | 2016-08-26 | 2016-08-26 | Shallow water territory steel pipe pile holder fortifield village weir structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620949412.4U CN205975646U (en) | 2016-08-26 | 2016-08-26 | Shallow water territory steel pipe pile holder fortifield village weir structure |
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| CN205975646U true CN205975646U (en) | 2017-02-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964969A (en) * | 2017-11-08 | 2018-04-27 | 北京翔鲲水务建设有限公司 | Stake film is combined cofferdam and its construction method with soil |
| CN108755721A (en) * | 2018-06-14 | 2018-11-06 | 中国十七冶集团有限公司 | A kind of novel cofferdam method for protecting support for crossing piping lane construction in water river |
| CN111576458A (en) * | 2020-06-02 | 2020-08-25 | 浙江交工金筑交通建设有限公司 | Inner support-free steel pipe pile cofferdam structure and construction method thereof |
-
2016
- 2016-08-26 CN CN201620949412.4U patent/CN205975646U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964969A (en) * | 2017-11-08 | 2018-04-27 | 北京翔鲲水务建设有限公司 | Stake film is combined cofferdam and its construction method with soil |
| CN108755721A (en) * | 2018-06-14 | 2018-11-06 | 中国十七冶集团有限公司 | A kind of novel cofferdam method for protecting support for crossing piping lane construction in water river |
| CN111576458A (en) * | 2020-06-02 | 2020-08-25 | 浙江交工金筑交通建设有限公司 | Inner support-free steel pipe pile cofferdam structure and construction method thereof |
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