CN208685636U - A kind of steel suspended box cofferdam - Google Patents
A kind of steel suspended box cofferdam Download PDFInfo
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- CN208685636U CN208685636U CN201821166389.7U CN201821166389U CN208685636U CN 208685636 U CN208685636 U CN 208685636U CN 201821166389 U CN201821166389 U CN 201821166389U CN 208685636 U CN208685636 U CN 208685636U
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- cofferdam
- steel sheet
- suspended box
- box cofferdam
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Abstract
The utility model discloses a kind of steel suspended box cofferdams, are related to bridge construction infrastructure device field, comprising: bottom plate；The multiple mounting bases being fixedly installed on the bottom plate, and multiple mounting bases join end to end, and form closed ring structure；Multiple steel sheet piles, multiple steel sheet piles are fixed in the ring structure, and multiple steel sheet piles are connected to form closed cofferdam body；Inner support system, the inner support system are fixedly supported to the inside of the cofferdam body.The utility model is not necessary in addition processing and on-site consolidation, saves time and duration using the steel sheet pile of finished product as the side plate of steel suspended box cofferdam, and steel sheet pile side plate assembling and disassembling is convenient, can reuse on different cushion caps, and turnover loss is low, and it is good can to have enough to meet the need performance.
Description
Technical field
The utility model relates to bridge construction infrastructure device fields, are specifically related to a kind of steel suspended box cofferdam.
Background technique
With the fast development of China's economy, the construction of traffic infrastructure also Efforts To Develop is built on rivers lake surface
Bridge quantity it is more and more, construct a bridge and first have to build bridge pier in water, and bridge pier build will first in water utilize cofferdam
Spaced portions waters simultaneously could construct water therein discharge.
Cofferdam is the temporary facility of bridge foundation construction, is generally mainly used in waterwork, and main function is conduct
The excavation of foundation in water construction water barrier device or deep basal pit protects supporting and retaining system, prevents water and soil from building position into building, with
Just reinforcing bar binding, template installation and concrete pouring construction etc. are carried out under anhydrous, safety condition, cofferdam is alternatively arranged as pile foundation
The job platform of plinth construction.
When the depth of water is deeper, suspension box-cofferdam is generallyd use to carry out the construction of underwater foundation, and conventional single double-walled hanging box
Cofferdam using welding steel construction side plate, processing and on-site consolidation than relatively time-consuming, the manufacturing cycle is long, it is unfavorable different cushion caps it
Between it is general, and it is big to have enough to meet the need loss, has enough to meet the need low efficiency.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned background technique, provide a kind of saving processing, it is assembled, tear open
The time is unloaded, convenient for the steel suspended box cofferdam being used in turn.
The utility model provides a kind of steel suspended box cofferdam, comprising:
Bottom plate；
The multiple mounting bases being fixedly installed on the bottom plate, and multiple mounting bases join end to end, and are formed closed
Ring structure；
Multiple steel sheet piles, multiple steel sheet piles are fixed in the ring structure, and multiple steel sheet piles are connected to form envelope
The cofferdam body closed；
Inner support system, the inner support system are fixedly supported to the inside of the cofferdam body.
Based on the above technical solution, the ring structure is Fang Huan, and the mounting base quantity is four, and four
Mounting base is respectively parallel to the four edges of the bottom plate.
Based on the above technical solution, the ring structure is annulus.
Based on the above technical solution, the mounting base includes that left and right sides wall is provided projectingly, the hollow shell in middle part
Body, the enclosure interior are fixedly installed to be connected and fixed the interconnecting piece of the steel sheet pile.
Based on the above technical solution, the interconnecting piece is concrete layer, is offered and the steel in the middle part of interconnecting piece
The corresponding groove of sheet pile.
Based on the above technical solution, mortar is also perfused between the steel sheet pile and the groove.
Based on the above technical solution, it is additionally provided with bottom concrete on the bottom plate in the steel suspended box cofferdam, it is described
The height of bottom concrete is higher than the height of the mounting base, and the inner support system is set to the top in the steel suspended box cofferdam
Portion position forms construction area between inner support system and the bottom concrete.
Compared with prior art, as follows the advantages of the utility model:
(1) multiple steel are arranged using mounting base is arranged on bottom plate in the steel suspended box cofferdam of the utility model in mounting base
Sheet pile split forms cofferdam body, using the steel sheet pile of finished product as the side plate of steel suspended box cofferdam, is not necessary in addition process and scene is spelled
Dress, saves time and duration, and steel sheet pile side plate assembling and disassembling is convenient, can reuse on different cushion caps, and turnover loss is low,
It is good that performance can be had enough to meet the need.
(2) mounting base of the utility model is used is arranged interconnecting piece in hollow shell, and is arranged in the middle part of interconnecting piece
The mode of corresponding groove carrys out fixation steel plate stake, convenient for measurement, positioning, the fixation position for finely tuning steel sheet pile, enhances steel lifted trunk
The globality in cofferdam is also filled with mortar in interconnecting piece, it can be ensured that the sealing of cofferdam body, water-stagnating effect meet requirement.
Detailed description of the invention
Fig. 1 is a kind of main structure cross-sectional view of steel suspended box cofferdam of the utility model embodiment；
Fig. 2 is a kind of top view of steel suspended box cofferdam of the utility model embodiment.
Appended drawing reference: 1-bottom plate, 2-mounting bases, 21-shells, 22-interconnecting pieces, 23-grooves, 3-steel sheet piles, 4-
Inner support system, 5-bottom concretes.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
Shown in Figure 1, the utility model embodiment provides a kind of steel suspended box cofferdam, comprising:
Bottom plate 1；
The multiple mounting bases 2 being fixedly installed on the bottom plate 1, and multiple mounting bases 2 join end to end, and form closing
Ring structure；
Multiple steel sheet piles 3, multiple steel sheet piles 3 are fixed in the ring structure, and multiple steel sheet piles 3 are connected to form
Closed cofferdam body；
Inner support system 4, the inner support system 4 are fixedly supported to the inside of the cofferdam body.
The steel suspended box cofferdam of the utility model is used is arranged mounting base 2 on bottom plate 1, and multiple steel are arranged in mounting base 2
3 split of sheet pile forms cofferdam body, using the steel sheet pile 3 of finished product as the side plate of steel suspended box cofferdam, is not necessary in addition processing and scene
Time and duration are saved in assembly, and 3 side plate assembling and disassembling of steel sheet pile is convenient, can reuse on different cushion caps, turnover loss
It is low, it is good that performance can be had enough to meet the need.
Shown in Figure 2, on the basis of the technical solution of above-described embodiment, further, the ring structure is Fang Huan,
2 quantity of mounting base is four, and four mounting bases 2 are respectively parallel to the four edges of the bottom plate 1；In other embodiment
In, the ring structure can also be annulus.
On the basis of the technical solution of above-described embodiment, further, the mounting base 2 includes that wall protrusion in the left and right sides is set
It sets, the hollow shell 21 in middle part, is fixedly installed inside the shell 21 convenient for being connected and fixed the interconnecting piece of the steel sheet pile 3
22；2 structure of mounting base is simple, and wherein interconnecting piece 22 can need to be finely adjusted according to practice of construction, so as to the position of fixing steel plate stake 3
It sets, is more able to satisfy production needs.
On the basis of the technical solution of above-described embodiment, further, the interconnecting piece 22 is concrete layer, interconnecting piece 22
Middle part offers groove 23 corresponding with the steel sheet pile 3；Interconnecting piece 22 uses concrete layer, convenient for pouring and reserving and steel plate
3 corresponding grooves 23 of stake, and its sealing, plugging effect are good.
On the basis of the technical solution of above-described embodiment, further, it is also filled between the steel sheet pile 3 and the groove 23
It is marked with mortar；Perfusion mortar further strengthens the sealing performance of cofferdam body.
On the basis of the technical solution of above-described embodiment, further, it is additionally provided on the bottom plate 1 in the steel suspended box cofferdam
Bottom concrete 5, the height of the bottom concrete 5 are higher than the height of the mounting base 2；Envelope is perfused inside steel suspended box cofferdam
Base concrete 5 makes the integral strength in cofferdam reach construction needs, draws water and construction bearing platform so as to subsequent, realize bearing platform construction
Anhydrous operation；The inner support system 4 is set to the top position in the steel suspended box cofferdam, inner support system 4 and the envelope
Construction area is formed between base concrete 5, inner support system 4 ensures entire steel suspended box cofferdam stable structure, in construction area
Carry out the construction of cushion cap.
During practice of construction, National Highway Zhejiang Province, Liyang to Ningde Chunan section QHTJ-05 contract section faces qi line 2
Number main pier of bridge is 8 high stake rectangle cushion cap, and dimension of platform is 12.6m × 24.85m, cushion cap bottom absolute altitude+95m, design water level+
108m is constructed using the steel suspended box cofferdam of the present embodiment, and construction procedure is as follows: after the completion of drilled pile construction, ox is welded on casing
Leg, the assembled cofferdam bottom plate 1 on bracket；After the completion of 1 assembly of bottom plate, the position of cofferdam body is measured and positioned, is welded in predetermined position
Mounting base 2 is connect, fill concrete forms interconnecting piece 22, and opens up groove 23 in advance, the installation site of steel sheet pile 3 is reserved, recessed
Interior 3 split of installation steel sheet pile forms cofferdam body on slot 23, and with mortar filled recess 23；It is subsequently mounted cofferdam inner support system 4,
Cofferdam decentralization is carried out using cofferdam lowering system after the completion；After the decentralization in place of cofferdam, bottom concrete 5 is poured, needed for band reaches
After intensity, draw water construction bearing platform.
Those skilled in the art can carry out various modifications to the utility model embodiment and modification, if these are modified
With modification within the scope of the claims of the present invention and its equivalent technology, then these modifications and variations are also practical new at this
Within the protection scope of type.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (7)
1. a kind of steel suspended box cofferdam characterized by comprising
Bottom plate (1)；
The multiple mounting bases (2) being fixedly installed on the bottom plate (1), and multiple mounting bases (2) join end to end, and form envelope
The ring structure closed；
Multiple steel sheet piles (3), multiple steel sheet piles (3) are fixed in the ring structure, and the connected shape of multiple steel sheet piles (3)
At closed cofferdam body；
Inner support system (4), the inner support system (4) are fixedly supported to the inside of the cofferdam body.
2. a kind of steel suspended box cofferdam as described in claim 1, it is characterised in that: the ring structure is Fang Huan, the installation
Seat (2) quantity is four, and four mounting bases (2) are respectively parallel to the four edges of the bottom plate (1).
3. a kind of steel suspended box cofferdam as described in claim 1, it is characterised in that: the ring structure is annulus.
4. a kind of steel suspended box cofferdam as claimed in claim 2 or claim 3, it is characterised in that: the mounting base (2) includes the left and right sides
Wall is provided projectingly, the hollow shell in middle part (21), is fixedly installed inside the shell (21) convenient for being connected and fixed the steel plate
The interconnecting piece (22) of stake (3).
5. a kind of steel suspended box cofferdam as claimed in claim 4, it is characterised in that: the interconnecting piece (22) is concrete layer, even
Groove (23) corresponding with the steel sheet pile (3) is offered in the middle part of socket part (22).
6. a kind of steel suspended box cofferdam as claimed in claim 5, it is characterised in that: the steel sheet pile (3) and the groove (23)
Between be also perfused with mortar.
7. a kind of steel suspended box cofferdam as described in claim 1, it is characterised in that: on the bottom plate (1) in the steel suspended box cofferdam
It is additionally provided with bottom concrete (5), the height of the bottom concrete (5) is higher than the height of the mounting base (2), the inner support
System (4) is set to the top position in the steel suspended box cofferdam, between inner support system (4) and the bottom concrete (5)
Form construction area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166389.7U CN208685636U (en) | 2018-07-23 | 2018-07-23 | A kind of steel suspended box cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166389.7U CN208685636U (en) | 2018-07-23 | 2018-07-23 | A kind of steel suspended box cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208685636U true CN208685636U (en) | 2019-04-02 |
Family
ID=65881711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821166389.7U Active CN208685636U (en) | 2018-07-23 | 2018-07-23 | A kind of steel suspended box cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208685636U (en) |
-
2018
- 2018-07-23 CN CN201821166389.7U patent/CN208685636U/en active Active
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