CN206503153U - It is bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam - Google Patents
It is bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam Download PDFInfo
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- CN206503153U CN206503153U CN201720016477.8U CN201720016477U CN206503153U CN 206503153 U CN206503153 U CN 206503153U CN 201720016477 U CN201720016477 U CN 201720016477U CN 206503153 U CN206503153 U CN 206503153U
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- bottomless
- wall steel
- cutting shoe
- double
- pile foundation
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Abstract
The utility model is related to water conservancy construction technical field, it is specifically related to a kind of bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, form in 4 campshed bases insertion water bottom soil layer and each other square surrounds space, the corner for surrounding space adds diagonal brace, core force area of the top outer provided with a cross-brace beam with diagonal brace formation polygonized structure of the pile foundation；Taut wire is provided between the pile foundation, the pile foundation is constituted by two rows being parallel to each other are bottomless without cutting shoe double-wall steel, in addition to encloses purlin, and the purlin that encloses symmetrically crosses at the bottomless outside opposite without cutting shoe double-wall steel described in two rows and fixed by pull bar；Native packed layer and native stone packed layer in multiple packed layers, and multiple packed layers is filled between the bottomless double-wall steel without cutting shoe of two rows to be intervally installed.Its advantage is：It is simple in construction, build conveniently, dash performance is good, improve inner supporting structure stress, structural strength is high.
Description
Technical field
The utility model is related to water conservancy construction technical field, and in particular to a kind of bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam.
Background technology
Cofferdam refers in water conservancy, water transport engineering project, to build permanent water conservancy projects, and that builds provisional goes along with sb. to guard him knot
Structure.It is to prevent water, soil from building position into building that it, which is acted on, in cofferdam internal drainage, excavation pit, to build building
Thing.
In recent years, as the whole nation promotes small hydraulic project to promote, more farmland water conservancy works apply every year
Work project kickoff, such as flood-control and drought relief engineering, agricultural irrigation engineering, canal engineering, aqueduct project etc., carrying out, these are small-sized
While hydraulic engineering, various engineering technology problems can be run into unavoidably, therefore seek a kind of simple in construction, side of building
Just the cofferdam that, dash performance is good, structural strength is high is particularly important.
Utility model content
The purpose of this utility model be to provide it is a kind of bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is simple in construction, build conveniently, dash
Performance is good, improve inner supporting structure stress, and structural strength is high.
To solve the above problems, the utility model is adopted the following technical scheme that：
The utility model is related to water conservancy construction technical field, and in particular to a kind of bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, 4 campsheds
The space of surrounding of square is formed in base insertion water bottom soil layer and each other, the corner for surrounding space is plus oblique
Support, core force area of the top outer provided with a cross-brace beam with diagonal brace formation polygonized structure of the pile foundation；Institute
State and taut wire is provided between pile foundation, the pile foundation is constituted by two rows being parallel to each other are bottomless without cutting shoe double-wall steel, in addition to is enclosed
Purlin, the purlin that encloses symmetrically crosses at the bottomless outside opposite without cutting shoe double-wall steel described in two rows and fixed by pull bar；Described two
Between the bottomless double-wall steel without cutting shoe of row filled with native packed layer in multiple packed layers, and multiple packed layers and native stone packed layer each other
It is arranged at intervals, the native stone packed layer is is formed by multiple native stone obturators, and the native stone obturator is by a steel wire
Bag it is built-in banket with made by stone.
On the basis of above-mentioned technical proposal, the utility model can also make following improvement：
Optionally, several triangular support blocks for being fixed on ground are connected with the outside of the cross-brace beam.
Optionally, the first stiffener is also horizontally arranged between two neighboring packed layer, two row is bottomless without cutting shoe
The second reinforcement for running through multiple packed layers from the top down, first reinforcement and described second are additionally provided between double-wall steel
Reinforcement is fixedly attached to one another.
Optionally, in addition to geomembrane, located at the bottomless inner side relative without cutting shoe double-wall steel and the waters described in two rows
Bottom solum surface.
Optionally, it is provided with connection steel wire between the adjacent pile foundation.
Optionally, the pull bar encloses purlin direction interval setting described in.
Optionally, the pull bar is reinforcing bar.
Optionally, the pile foundation passes through the peat swamps evolution of the water bottom and is embedded to next 1 meter to 2 meters of soil layer.
Optionally, the pile foundation is exposed the length on the water bottom soil layer and is embedded in the water bottom soil layer
Length ratio be 1:1 to 1:2.
The beneficial effects of the utility model are compared with prior art：
1st, space of the present utility model of surrounding is square, and the corner for surrounding space adds diagonal brace, the pile foundation
Core force area of the top outer provided with a cross-brace beam with diagonal brace formation polygonized structure.Such supporting construction will
The square structure of cofferdam inner supporting structure is converted into polygonized structure form, can so reduce to the section of inner supporting structure
It is minimum.Inner supporting structure stress is farthest improved, so as to using minimum inner support section, save engineering material
Material.
2nd, the utility model is provided with native packed layer and native stone packed layer is made, and the native stone packed layer is to be filled out by multiple native stones
Body is filled to be formed, the native stone obturator be as a steel wire mesh bag is built-in banket with stone made by.When water impact cofferdam
During structure, because the stone in stone obturator is in a kind of loose state, it is easier to offset the impulsive force of current, Jin Erwei
Cofferdam main body provides protection.Cofferdam structure of the present utility model is more resistant to impact, and intensity is more preferable.
Brief description of the drawings
Fig. 1 is the bottomless top view without cutting shoe Double-Wall Steel Boxed Cofferdam described in the utility model embodiment；
Fig. 2 is the sectional view of the pile foundation described in the utility model embodiment；
Wherein, 1- pile foundations, 2- is bottomless without cutting shoe double-wall steel, and 3- diagonal braces, 4- cross-brace beams, 5- pull bars, 6- encloses purlin, 7- soil
Packed layer, 8- soil stone packed layers, 9- geomembranes, 10- triangular support blocks.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.According to claims and
Following explanation, advantages and features of the present utility model will become apparent from.It should be noted that, accompanying drawing is using very simplified form
And non-accurately ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
Embodiment
The utility model is related to water conservancy construction technical field, and in particular to a kind of bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, such as Fig. 1
With shown in Fig. 2,4 campshed bases 1 insert the space of surrounding for forming square in water bottom soil layer and each other, described to surround sky
Between corner add diagonal brace 3, the top outer of the pile foundation 1 is provided with a cross-brace beam 4 and the diagonal brace 3 formation polygon knot
The core force area of structure；Taut wire is provided between the pile foundation 1, the pile foundation 1 is bottomless without cutting shoe by two rows being parallel to each other
Double-wall steel 2 is constituted, in addition to encloses purlin 6, it is described enclose purlin 6 it is symmetrical cross at it is bottomless without opposite outer of cutting shoe double-wall steel 2 described in two rows
Side and fixed by pull bar 5；Two row is bottomless without being filled with multiple packed layers, and multiple packed layers between cutting shoe double-wall steel 2
Middle native packed layer 7 and native stone packed layer 8 are intervally installed, and the native stone packed layer 8 is is formed by multiple native stone obturators, institute
State native stone obturator be as a steel wire mesh bag is built-in banket with stone made by.
On the basis of above-mentioned technical proposal, the utility model can also make following improvement：
In a preferred scheme, the outside of cross-brace beam 4 is connected with several triangular supports for being fixed on ground
Block 10.The stress span of cofferdam wall is reduced, triangle has stability, can preferably increase support force, to increase support
Intensity.
In a preferred scheme, be also horizontally arranged with the first stiffener between two neighboring packed layer, two row without
Bottom runs through the second reinforcement of multiple packed layers, first reinforcement without being additionally provided between cutting shoe double-wall steel 2 from the top down
It is fixedly attached to one another with second reinforcement.Multiple stress points are formed, the overall bearing capacity of structure is significantly improved.
In a preferred scheme, in addition to geomembrane 9, located at the bottomless inner side relative without cutting shoe double-wall steel 2 described in two rows
And the bottom solum surface in the waters.
In a preferred scheme, connection steel wire is provided between the adjacent pile foundation 1.
In a preferred scheme, the pull bar 5 is arranged at intervals along the direction of purlin 6 of enclosing.
In a preferred scheme, the pull bar 5 is reinforcing bar.
In order to ensure the stability of cofferdam structure, in a preferred scheme, the pile foundation 1 passes through the mud of the water bottom
Carbonaceous soil layer is simultaneously embedded to next 1 meter to 2 meters of soil layer.Wherein, the pile foundation 1 expose length on the water bottom soil layer with
The length ratio being embedded in the water bottom soil layer is 1:1 to 1:2.
Technical principle of the present utility model is：It is known that circular configuration has the characteristic for most preferably bearing water pressure load,
But rectangular cofferdam structure form matches with the profile of bridge foundation cushion cap, can save the template for pouring cushion cap, because
The nucleus of cofferdam inner supporting structure is changed into the polygon shape closest to circle by this using the cofferdam structure of square
Formula, the water pressure load that can thus bear cofferdam is transformed into polygonal stress nucleus, so that will both are excellent
Point is organically combined together, and produces a kind of new cofferdam structure.
The beneficial effects of the utility model are compared with prior art：
1st, space of the present utility model of surrounding is square, and the corner for surrounding space adds diagonal brace 3, the pile foundation 1
Core force area of the top outer provided with a cross-brace beam 4 with the diagonal brace 3 formation polygonized structure.Such support knot
The square structure of cofferdam inner supporting structure is converted into polygonized structure form by structure, so can be by the section of inner supporting structure
It is minimized.Inner supporting structure stress is farthest improved, so as to using minimum inner support section, save engineering
Material.
2nd, the utility model is provided with native packed layer 7 and native stone packed layer 8 is made, and the native stone packed layer 8 is by multiple soil
Stone obturator is formed, the native stone obturator be as a steel wire mesh bag is built-in banket with stone made by.Work as water impact
During cofferdam structure, because the stone in stone obturator is in a kind of loose state, it is easier to offset the impulsive force of current, enter
And provide protection for cofferdam main body.Cofferdam structure of the present utility model is more resistant to impact, and intensity is more preferable.
Obviously, those skilled in the art can be new without departing from this practicality to the various changes of utility model progress and modification
The spirit and scope of type.So, if these modifications and variations of the present utility model belong to the utility model claim and its
Within the scope of equivalent technologies, then the utility model is also intended to including these changes and modification.
Claims (9)
1. it is bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that to be formed in 4 campshed bases insertion water bottom soil layer and each other
Square surrounds space, and the corner for surrounding space adds diagonal brace, and the top outer of the pile foundation is provided with a cross-brace
The core force area of beam and diagonal brace formation polygonized structure；Taut wire is provided between the pile foundation, the pile foundation is by phase
Mutually two parallel rows are bottomless without cutting shoe double-wall steel composition, in addition to enclose purlin, and the purlin that encloses symmetrically crosses at bottomless nothing described in two rows
The opposite outside of cutting shoe double-wall steel and fixed by pull bar；Multiple fillings are filled between the bottomless double-wall steel without cutting shoe of two rows
Layer, and native packed layer and native stone packed layer are intervally installed in multiple packed layers, the native stone packed layer is by multiple native stones
Obturator is formed, the native stone obturator be as a steel wire mesh bag is built-in banket with stone made by.
2. it is according to claim 1 bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that to connect on the outside of the cross-brace beam
Several triangular support blocks are connected to, the triangular support block is fixed on ground.
3. it is according to claim 2 bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that between two neighboring packed layer also
It is horizontally arranged between the first stiffener, the bottomless double-wall steel without cutting shoe of two rows to be additionally provided with and is filled out from the top down through multiple
The second reinforcement of layer is filled, first reinforcement and second reinforcement are fixedly attached to one another.
4. it is according to claim 3 bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that also including geomembrane, located at two
Arrange the bottom solum surface in the bottomless inner side relative without cutting shoe double-wall steel and the waters.
5. it is according to claim 4 bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that to be set between the adjacent pile foundation
There is connection steel wire.
6. it is according to claim 5 bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that the pull bar encloses purlin side described in
To interval setting.
7. it is according to claim 6 bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that the pull bar is reinforcing bar.
8. it is bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam according to claim any one of 1-7, it is characterised in that the pile foundation is passed through
The peat swamps evolution of the water bottom is simultaneously embedded to next 1 meter to 2 meters of soil layer.
9. it is according to claim 8 bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam, it is characterised in that the pile foundation exposes the waters
The length ratio in length and the embedment water bottom soil layer on bottom solum is 1:1 to 1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016477.8U CN206503153U (en) | 2017-01-07 | 2017-01-07 | It is bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016477.8U CN206503153U (en) | 2017-01-07 | 2017-01-07 | It is bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503153U true CN206503153U (en) | 2017-09-19 |
Family
ID=59839267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720016477.8U Active CN206503153U (en) | 2017-01-07 | 2017-01-07 | It is bottomless without cutting shoe Double-Wall Steel Boxed Cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503153U (en) |
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2017
- 2017-01-07 CN CN201720016477.8U patent/CN206503153U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double wall steel cofferdam without bottom or blade foot Effective date of registration: 20230927 Granted publication date: 20170919 Pledgee: Industrial Bank Limited by Share Ltd. Wuhan branch Pledgor: HUBEI PROVINCIAL ROAD & BRIDGE Co.,Ltd. Registration number: Y2023980059401 |