CN208088312U - Double-row steel sheet pile cofferdam structure formed by connecting section steel and split screws in combined manner - Google Patents
Double-row steel sheet pile cofferdam structure formed by connecting section steel and split screws in combined manner Download PDFInfo
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- CN208088312U CN208088312U CN201820524336.1U CN201820524336U CN208088312U CN 208088312 U CN208088312 U CN 208088312U CN 201820524336 U CN201820524336 U CN 201820524336U CN 208088312 U CN208088312 U CN 208088312U
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Abstract
The utility model provides a steel sheet-split screw combined connection double-row steel sheet pile cofferdam structure, which comprises steel sheet piles, horizontal steel supports, box-type steel purlins and split screws which are arranged at intervals left and right, wherein the box-type steel purlins are at least two layers, and the two layers of box-type steel purlins are fixed at the inner sides of the steel sheet piles at both sides in a bilateral symmetry manner; the horizontal steel supports are arranged between the box-type steel surrounding purlins on the two sides, the number of the horizontal steel supports is the same as that of the box-type steel surrounding purlins, each layer of the horizontal steel supports are arranged in parallel along the horizontal direction, two ends of each horizontal steel support are fixed with the box-type steel surrounding purlins at the corresponding height, every two adjacent horizontal steel supports at the same height form a double-row horizontal steel support, the counter-pull screw is arranged in the middle of the double-row horizontal steel supports, and two ends of each counter-pull screw are fixed with the steel sheet piles on the two sides respectively; the stability of the double-row steel sheet pile is improved; when double steel sheet pile is through drawing the connection, respectively set up one in double steel sheet pile outside and enlarge the gasket for stress can disperse, avoids stress concentration to cause the damage to the steel sheet pile.
Description
Technical field
The utility model is related to a kind of Base hole supporting technology field more particularly to a kind of steel sheet piling pit supporting constructions.
Background technology
Steel sheet pile is a kind of shaped steel with fore shaft, is connected with each other occlusion by fore shaft after squeezing into, forms continuous steel sheet pile
Building enclosure can be used for water seepage prevention, in underground engineering, port and pier, dock, sluice, protective slope structure, retaining wall, antiseepage
Important structural material is acted as in the provisional or permanent works such as wall, pattern foundation pit supporting structure, interim shore protection, water stop cofferdam；Anti-
Flood caves in, collapses, having very strong timeliness during the disaster relief and rescues such as drift sand.
Existing steel sheet-pile cofferdam comes with some shortcomings in Practical Project, and Horizontal steelwork bracing is mostly single horizontal steel
Support tube, support strength is poor, and steel sheet pile lateral deformation stiffness is relatively small, and deformation is larger, silt depth is larger, river water compared with
It is difficult to be individually formed the anti-wave with dike structure using single steel sheet-pile cofferdam in river deep, water proof anti-seepage is more demanding
Dike easy tos produce deformation under the dynamic load of river water, and anti-seepage effect is poor, needs to carry out operation of drawing water in the construction process, and
And more inner support is needed, reduce the construction space inside cofferdam, influences the efficiency and progress of foundation construction.
Utility model content
To solve the above-mentioned problems, it is rigid to provide one kind simple in structure, constructing operation convenience and structure for the utility model
Degree is big, water seepage prevention effect is good, steel sheet piling pit supporting construction suitable for cutting depth compared with deep basal pit.
To achieve the goals above, reach above-mentioned technique effect, the utility model adopts the following technical solution：
The utility model is related to a kind of shaped steel-Screw arbor with nut at both-ends combination connect double steel sheet pile cofferdam structure comprising it is left
Steel sheet pile, Horizontal steelwork bracing, box steel purlin and the Screw arbor with nut at both-ends of right septum arrangement, the box steel purlin are at least arranged two
Layer, two layers of box steel purlin is symmetrical to be fixed on the inside of the steel sheet pile of both sides；The Horizontal steelwork bracing is located at the case of both sides
Between shaped steel purlin, the number of plies of Horizontal steelwork bracing is identical as the number of plies of box steel purlin, and every layer of Horizontal steelwork bracing is along level side
To parallel arrangement, and the box steel purlin of both ends and respective heights is fixed, each two adjacent Horizontal steelwork bracing of sustained height
Form a double Horizontal steelwork bracing, Screw arbor with nut at both-ends is located at the centre position of double Horizontal steelwork bracing, both ends respectively with both sides
Steel sheet pile fix.
Preferably, bracket identical with the box steel purlin number of plies is symmetrically arranged on the inside of the steel sheet pile of both sides, bracket is equal
Even arranged for interval is simultaneously welded with steel sheet pile, and box steel purlin is located above corresponding bracket and is welded with steel sheet pile.
Preferably, there are gaps, gap to be equipped with cushion block between the box steel purlin and steel sheet pile.
Preferably, the both ends of the Screw arbor with nut at both-ends sequentially pass through the box steel purlin and steel sheet pile of both sides, and pass through expansion
Big cushion block is fixedly connected with fastening nut.
Preferably, the skewed horizontal load equipped with arranged crosswise between neighbouring two layers of Horizontal steelwork bracing, the two of skewed horizontal load
It is welded respectively with upper layer and lower layer Horizontal steelwork bracing at end.
Preferably, the bracket is prefabricated channel steel.
Preferably, the box steel purlin is that two I-steel with model are welded.
Preferably, the Horizontal steelwork bracing is all made of the I-steel of same model.
Preferably, the skewed horizontal load is all made of the I-steel of same model.
The utility model has the beneficial effects that：
1, the utility model is by using double steel sheet-pile cofferdam, if using the flat steel of dried layer double-drainage among double steel sheet pile
Support carries out vertical connection, and further connects double steel sheet pile in the centre position Screw arbor with nut at both-ends of double Horizontal steelwork bracing
It is connected together, substantially increases the stability of double steel sheet pile；
2, double steel sheet pile is attached by box steel purlin and Screw arbor with nut at both-ends, can either resist inside hydrostatic pressure resistant
Power is also resistant against the outside pulling force generated due to the sliding of steel sheet pile bottom, and improves impervious sealing performance；
3, when double steel sheet pile to drawing by connecting, an expansion gasket is respectively set on the outside of double steel sheet pile so that answers
Power can disperse, and stress concentration is avoided to be damaged caused by steel sheet pile.
Description of the drawings
Fig. 1 is that shaped steel-Screw arbor with nut at both-ends combination connects double steel sheet pile schematic diagram；
Fig. 2 is the double-deck double steel sheet pile type steel support schematic diagram；
Fig. 3 is steel sheet pile and box steel gap cushion block scheme of installation.
In figure：1- steel sheet piles, 2- Horizontal steelwork bracings, 3- box steel purlins, 4- expand gasket, and 5- fastening nuts, 6- is to drawing
Screw rod, 7- fill grease, 8- cushion blocks, 9- brackets, 10- skewed horizontal loads, 11- pumping conduits, 12- river water levels, the riverbeds 13- bottom mark
Height, 14- foundation pits.
Specific implementation mode
In order to deepen the understanding to the utility model, will elaborate below to the embodiments of the present invention, below
Embodiment is implemented under premised on technical solutions of the utility model, gives detailed embodiment and specific operation
Process, but the scope of protection of the utility model is not limited to following embodiments.
The utility model provides a kind of shaped steel-Screw arbor with nut at both-ends combination and connects double steel sheet pile cofferdam structure, as attached drawing 1~
Shown in 3, including steel sheet pile 1, two layers of Horizontal steelwork bracing 2, two layers of box steel purlin 3 and Screw arbor with nut at both-ends 6.The steel sheet pile of both sides 1
Length is 15m, height of pile top 2.5m, stake bottom elevation -12.5m, uses butter mixture etc. to fill grease 7 between 1 fore shaft of steel sheet pile
It is filled.The mutual corresponding bracket 9 of two layer heights, the top of two layers of bracket 9 is respectively welded in the side that the steel sheet pile 1 of both sides is opposite
The elevation in face is respectively 2.0m and -0.5m, and bracket is formed using 12# channel steels are prefabricated, and a bracket 9 is welded every 3 meters.Often arrange bracket
A box steel purlin 3 is respectively mounted on 9, the I-steel that box steel purlin 3 is all made of two 45b is welded, box steel purlin 3
It is placed on bracket 9 and by welding with the steel sheet pile 1 on the outside of it and fixes, the steel plate that box steel purlin 3 is close to it
There may be gaps, the gap to be filled using cushion block 8 between stake 1.Horizontal steel is equipped between the box steel purlin 3 of both sides
Support 2, Horizontal steelwork bracing 2 are welded using the I-steel of two 45b, the both ends of Horizontal steelwork bracing 2 respectively with both sides box
Steel purlin 3 is welded, wherein the two neighboring Horizontal steelwork bracing 2 of same layer forms double Horizontal steelwork bracing, every group of double horizontal steel
The centre position of support is equipped with the Screw arbor with nut at both-ends 6 being arranged in parallel with Horizontal steelwork bracing 2, and the both ends difference of Screw arbor with nut at both-ends 6 is successively
Box steel purlin 3 and steel sheet pile 1 across both sides are located at the Screw arbor with nut at both-ends 6 of 1 exterior portion of steel sheet pile by expanding 4 He of cushion block
Fastening nut 5 is fixed, and so far the steel sheet pile 1 of both sides forms an entirety by Horizontal steelwork bracing 2.To improve the whole of cofferdam structure
Body intensity is provided with the skewed horizontal load 10 of arranged crosswise, the both ends difference of skewed horizontal load 10 between upper layer and lower layer Horizontal steelwork bracing 2
It is welded with upper layer and lower layer Horizontal steelwork bracing 2.
The present embodiment be the utility model is related to shaped steel-Screw arbor with nut at both-ends combination connect double steel sheet pile cofferdam structure
The number of plies of one form of which, Horizontal steelwork bracing 2 and box steel purlin 3 can be according to local geological condition, the slave height of steel sheet pile 1
Degree determines.
When construction, 13 or less position of riverbed bottom absolute altitude is squeezed into the bottom of two rows of steel sheet piles 1 first, then welds upper layer ox
Leg 9 is enclosed in soldered 3 horizontal handling to upper layer bracket 9 of box steel purlin by being tentatively welded and fixed upper layer box steel
Then purlin 3 supports elevation by Horizontal steelwork bracing 2 and 3 firm welding of upper layer box steel purlin, then in two levels according to upper layer
Screw arbor with nut at both-ends 6 is arranged in position between bracing members 2, and 6 both ends of Screw arbor with nut at both-ends pass through box steel purlin 3 and steel sheet pile 1, outside to expand
Big gasket 4 and fastening nut 5 fasten.Upper layer bracket 9, box steel purlin 3, Horizontal steelwork bracing 2 and Screw arbor with nut at both-ends 6 are constructed completion
Afterwards, steel sheet pile 1 water level in both sides is reduced by pumping conduit 11 draws water, and then carries out 9 welding of lower layer's bracket, box successively
3 handling of steel purlin, the welding of Horizontal steelwork bracing 2,6 tightening operation of Screw arbor with nut at both-ends, then pass through upper layer and lower layer Horizontal steelwork bracing 2
Two 10 cross welds of skewed horizontal load are together.As shown in Fig. 2, shaped steel-Screw arbor with nut at both-ends combination connects double steel sheet-pile cofferdam
The left side of structure is river, and the cope level of two rows of steel sheet piles 1 is higher than river water level 12, and shaped steel-Screw arbor with nut at both-ends combination connection is double
Row's steel sheet pile cofferdam structure can prevent the water in river from entering in foundation pit 14.
Above-described embodiment is only used for illustrating the utility model design of the utility model, rather than to the utility model right
The restriction of protection, all non-essential modifications to the present invention made by this concept should all fall into the guarantor of the utility model
Protect range.
Claims (9)
1. a kind of shaped steel-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：It includes between left and right every cloth
Steel sheet pile, Horizontal steelwork bracing, box steel purlin and the Screw arbor with nut at both-ends set, the box steel purlin are at least arranged two layers, two layers
Box steel purlin is symmetrical to be fixed on the inside of the steel sheet pile of both sides；The Horizontal steelwork bracing is located at the box steel purlin of both sides
Between, the number of plies of Horizontal steelwork bracing is identical as the number of plies of box steel purlin, every layer of Horizontal steelwork bracing parallel cloth in the horizontal direction
It sets, and the box steel purlin of both ends and respective heights is fixed, each two adjacent Horizontal steelwork bracing of sustained height forms one
Double Horizontal steelwork bracing, Screw arbor with nut at both-ends are located at the centre position of double Horizontal steelwork bracing, both ends respectively with the steel sheet pile of both sides
It is fixed.
2. shaped steel according to claim 1-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
Bracket identical with the box steel purlin number of plies, bracket uniform intervals arrangement and and steel are symmetrically arranged on the inside of the steel sheet pile of both sides
Sheet pile welds, and box steel purlin is located above corresponding bracket and is welded with steel sheet pile.
3. shaped steel according to claim 1-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
There are gaps, gap to be equipped with cushion block between the box steel purlin and steel sheet pile.
4. shaped steel according to claim 1-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
The both ends of the Screw arbor with nut at both-ends sequentially pass through the box steel purlin and steel sheet pile of both sides, and by expanding cushion block and fastening nut
It is fixedly connected.
5. shaped steel according to claim 1-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
Be equipped with the skewed horizontal load of arranged crosswise between neighbouring two layers of Horizontal steelwork bracing, the both ends of skewed horizontal load respectively with upper layer and lower layer
Horizontal steelwork bracing welds.
6. shaped steel according to claim 2-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
The bracket is prefabricated channel steel.
7. shaped steel according to claim 1-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
The box steel purlin is that two I-steel with model are welded.
8. shaped steel according to claim 1-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
The Horizontal steelwork bracing is all made of the I-steel of same model.
9. shaped steel according to claim 5-Screw arbor with nut at both-ends combination connects double steel sheet pile cofferdam structure, it is characterised in that：
The skewed horizontal load is all made of the I-steel of same model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820524336.1U CN208088312U (en) | 2018-04-12 | 2018-04-12 | Double-row steel sheet pile cofferdam structure formed by connecting section steel and split screws in combined manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820524336.1U CN208088312U (en) | 2018-04-12 | 2018-04-12 | Double-row steel sheet pile cofferdam structure formed by connecting section steel and split screws in combined manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208088312U true CN208088312U (en) | 2018-11-13 |
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ID=64055186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820524336.1U Expired - Fee Related CN208088312U (en) | 2018-04-12 | 2018-04-12 | Double-row steel sheet pile cofferdam structure formed by connecting section steel and split screws in combined manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208088312U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898522A (en) * | 2019-04-15 | 2019-06-18 | 陈林 | A kind of foundation pit support frame |
| CN111663547A (en) * | 2020-06-19 | 2020-09-15 | 伍永伶 | Bridge pier cofferdam device for bridge construction |
| CN112726635A (en) * | 2020-12-30 | 2021-04-30 | 中建市政工程有限公司 | Connecting member, connecting structure and groove supporting method for enclosing purlin and steel sheet pile |
-
2018
- 2018-04-12 CN CN201820524336.1U patent/CN208088312U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898522A (en) * | 2019-04-15 | 2019-06-18 | 陈林 | A kind of foundation pit support frame |
| CN109898522B (en) * | 2019-04-15 | 2021-08-20 | 王长华 | Foundation pit support frame |
| CN111663547A (en) * | 2020-06-19 | 2020-09-15 | 伍永伶 | Bridge pier cofferdam device for bridge construction |
| CN111663547B (en) * | 2020-06-19 | 2022-03-18 | 伍永伶 | Bridge pier cofferdam device for bridge construction |
| CN112726635A (en) * | 2020-12-30 | 2021-04-30 | 中建市政工程有限公司 | Connecting member, connecting structure and groove supporting method for enclosing purlin and steel sheet pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181113 Termination date: 20190412 |