CN211773796U - Be applied to cofferdam structure of pier construction - Google Patents
Be applied to cofferdam structure of pier construction Download PDFInfo
- Publication number
- CN211773796U CN211773796U CN202020025917.8U CN202020025917U CN211773796U CN 211773796 U CN211773796 U CN 211773796U CN 202020025917 U CN202020025917 U CN 202020025917U CN 211773796 U CN211773796 U CN 211773796U
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- block
- steel sheet
- cofferdam
- supporting
- sheet piles
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 26
- 230000037431 insertion Effects 0.000 claims description 26
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000007789 sealing Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a cofferdam structure applied to pier construction, which relates to the technical field of cofferdams and comprises a plurality of steel sheet piles and a plurality of supporting components, wherein the steel sheet piles are spliced to form a cofferdam body, each supporting component comprises a mounting rail, a supporting column and an inserting seat, the mounting rail comprises two unilateral rails, the two unilateral rails are respectively arranged on the inner walls of the two adjacent steel sheet piles, and an inserting slide way is formed between the two unilateral rails; the supporting column comprises a supporting positioning block and an inserting block, the inserting block is connected with the inserting slideway in a sliding mode, and a connecting groove is formed in the bottom of the inserting block; the plug socket includes that plug socket body, gomphosis piece and location suddenly thorn, and the gomphosis piece is established at the upper surface of plug socket body, and the location suddenly thorn sets up at the lower surface of plug socket body, and the gomphosis piece can be dismantled with the spread groove and be connected, the utility model discloses a be applied to cofferdam structure of pier construction and peg graft conveniently when the installation, and can strengthen supporting to the not good condition of intensity of the concatenation department of steel sheet pile, excellent in use effect.
Description
Technical Field
The utility model relates to a technical field in the cofferdam especially relates to a cofferdam structure of pier construction.
Background
The cofferdam is used for preventing water and soil from entering the building position of the building so as to drain water in the cofferdam, excavate a foundation pit and build the building. The cofferdam is mainly used in hydraulic buildings in general, and the cofferdam is dismantled after being used up except for being used as a part of a formal building. The cofferdam height is higher than the highest water level that may occur during construction.
In the bridge foundation construction, when bridge piers and platform foundations are positioned below the ground surface water level, earth weirs in various forms are built according to local materials; in rivers with deep water and large flow velocity, sheet-pile or steel-sheet pile (single-layer or double-layer) cofferdams and many double-layer thin-wall steel cofferdams can be adopted. The cofferdam can be used for preventing water and enclosing water and can also be used for supporting the pit wall of the foundation pit.
The common deepwater foundation cofferdams mainly comprise a steel sheet pile cofferdam, a lock catch steel pipe pile cofferdam, a double-wall steel cofferdam and the like. The steel sheet pile cofferdam is the most commonly used one, having: the strength is high, and the soil can be easily driven into a hard soil layer; the construction can be carried out in deep water, and an inclined support is added to form a surrounding cage if necessary. The waterproof performance is good; the cofferdam with various shapes can be formed according to the requirement and can be repeatedly used, so that the cofferdam has wide application.
In the prior art, the cofferdam is mainly formed by splicing U-shaped steel sheet piles, the U-shaped steel sheet piles are connected left and right to form the cofferdam, but the steel sheet piles are poor in sealing connection performance, and the joints of the steel sheet piles are mainly sealed and blocked by sand and stone to play a role in sealing and leakage prevention.
In addition, in order to deal with the river water pressure and the water flow impact situation around the pier, the U-shaped steel sheet piles need to be provided with supporting devices inside the cofferdam enclosed by the U-shaped steel sheet piles, an upper layer, a middle layer and a lower layer of supporting devices are generally needed to be arranged, and the excessive supporting devices enable the construction space inside the cofferdam to be compressed very little, are not beneficial to construction and are not convenient to install. Therefore, the cofferdam structure which can resist impact, has high strength, simple and convenient installation and simple structure is developed, and is more and more concerned by people.
SUMMERY OF THE UTILITY MODEL
To the problem of the aforesaid production, the utility model aims at providing a be applied to cofferdam structure of pier construction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a be applied to cofferdam structure of pier construction, includes a plurality of steel sheet pile, and is a plurality of the steel sheet pile all is arc structure, and is a plurality of the steel sheet pile concatenation forms the circular shape cofferdam body together, wherein: the steel sheet pile support structure comprises a steel sheet pile, and is characterized by further comprising a plurality of support assemblies, wherein the support assemblies are arranged at the splicing positions between two adjacent steel sheet piles, and each support assembly comprises an installation track, a support column and a plug socket; the mounting rail comprises two unilateral rails, the two unilateral rails are respectively arranged on the inner walls of two adjacent steel sheet piles, and a splicing slideway is formed between the two unilateral rails; the supporting column is of an integrated structure and comprises a supporting and positioning block and an inserting block, the inserting block is arranged at the lower end of the supporting and positioning block along the vertical direction, the inserting block is inserted into the inserting slide way and is connected with the inserting slide way in a sliding manner, the inserting block is attached to the inner walls of the two steel sheet piles, and a connecting groove is formed in the bottom of the inserting block; the plug socket is of an integrated structure and comprises a plug socket body, an embedded block and a positioning lug, wherein the plug socket body is of a circular plate-shaped structure, the embedded block is arranged on the upper surface of the plug socket body, the positioning lug is arranged on the lower surface of the plug socket body, and the embedded block is detachably connected with the connecting groove.
In a preferred embodiment, a plurality of positioning spurs are distributed on the lower surface of the plug seat body, the lower ends of the positioning spurs are all in a conical spike structure, and the positioning spurs are all inserted into river silt.
In a preferred embodiment, the engaging block is a cylindrical structure, the engaging block is located in the middle of the upper surface of the socket body, and the connecting groove is a cylindrical counter bore.
Preferably, the engaging block and the connecting groove are connected in an interference fit manner.
Preferably, the fitting block is provided with an external thread, the connecting groove is internally provided with an internal thread, and the fitting block is in threaded connection with the connecting groove.
In a preferred embodiment, an elastic layer is arranged on one side of the insertion block close to the two steel sheet piles, the elastic layer is made of rubber, and the elastic layer is connected with the supporting and positioning block through an adhesive.
In a preferred embodiment, the unilateral track is a steel plate with an L-shaped cross section, the cross section of the insertion slide way is T-shaped, the cross section of the insertion block is I-shaped, and the insertion block penetrates through the insertion slide way.
In a preferred embodiment, the supporting and positioning block is a structure with a wide upper part and a narrow lower part, and the lower surface of the supporting and positioning block abuts against the upper end of the insertion slide way.
In a preferred embodiment, both of the single-sided rails are arranged in a vertical direction.
The utility model discloses owing to adopt above-mentioned technique, make it compare the positive effect that has with prior art and be:
(1) the cofferdam structure applied to pier construction of the utility model is provided with the supporting component in the cofferdam body, so that the cofferdam can be conveniently inserted during installation, and can be used for reinforcing and supporting the condition that the splicing part of the steel sheet pile has poor strength, and the using effect is good;
(2) the utility model discloses a be applied to cofferdam structure of pier construction's shock resistance is good, and intensity is high, simple to operate, simple structure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 is a schematic top view of the present invention;
fig. 2 is a top view of the mounting rail of the present invention mounted on the cofferdam body;
FIG. 3 is a cross-sectional view of the insertion block and the mounting rail of the present invention;
fig. 4 is a side view of the support group of the present invention on the cofferdam body;
FIG. 5 is a schematic cross-sectional view of the connection between the support post and the socket of the present invention;
FIG. 6 is a schematic view showing the arrangement of the positioning barbs on the bottom of the socket body according to the present invention;
fig. 7 is a schematic view of the elastic layer of the present invention on the insert block.
Illustration of the drawings:
1. steel sheet piles; 2. installing a track; 21. a single-sided track; 22. inserting a slideway; 3. a support pillar; 31. supporting a positioning block; 32. an insertion block; 321. connecting grooves; 33. an elastic layer; 4. a socket; 41. a socket body; 42. a fitting block; 43. and (5) positioning the spurs.
Detailed Description
The utility model provides a be applied to cofferdam structure of pier construction, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following reference is made to the drawing and the example is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the data so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such system, article, or apparatus.
The first embodiment is as follows:
the utility model provides a pair of be applied to cofferdam structure of pier construction, please refer to and show with fig. 1 and fig. 4, including a plurality of steel sheet piles 1, a plurality of steel sheet piles 1 all are the arc structure, a plurality of steel sheet piles 1 splice together and form the circular shape cofferdam body, the lower extreme of cofferdam body is equipped with the toper and participates in, and in inserting river silt, circular shape pier construction region has been enclosed into at cofferdam body middle part, cofferdam structure still includes a plurality of supporting components, a plurality of supporting components evenly distributed are on cofferdam structure's inner wall, concatenation department between two adjacent steel sheet piles 1 all is provided with supporting component, each supporting component all includes mounting rail 2, support column 3 and plug socket 4.
Referring to fig. 2, the installation rail 2 includes two single-side rails 21, the two single-side rails 21 are respectively and oppositely disposed on the inner walls of the two adjacent steel sheet piles 1, the single-side rails 21 are fixedly connected with the steel sheet piles 1, the two single-side rails 21 are both disposed along the vertical direction, the splicing position is located between the two single-side rails 21, and an insertion slide 22 is formed between the two single-side rails 21.
Referring to fig. 3 and 5, the supporting column 3 is an integrated structure, and includes a supporting and positioning block 31 and an inserting block 32, the inserting block 32 is disposed at the lower end of the supporting and positioning block 31 along the vertical direction, the shape of the inserting block 32 is matched with the shape of the inserting slide 22, the inserting block 32 is inserted into the inserting slide 22, the inserting block 32 is slidably connected with the inserting slide 22, the side wall of the inserting block 32 is attached to the inner walls of the two steel sheet piles 1, the inserting block 32 can block the splicing seam between the two steel sheet piles 1, so as to achieve a sealing effect, and the bottom of the inserting block 32 is provided with a connecting groove 321.
Please refer to fig. 4 and 5, the inserting seat 4 is an integrated structure, which includes an inserting seat body 41, an engaging block 42 and a positioning protrusion 43, the inserting seat body 41 is a circular plate-shaped structure, the engaging block 42 is disposed on the upper surface of the inserting seat body 41, the positioning protrusion 43 is disposed on the lower surface of the inserting seat body 41, the engaging block 42 is a cylindrical structure, the engaging block 42 is located in the middle of the upper surface of the inserting seat body 41, the connecting groove 321 is a cylindrical counter bore matched with the engaging block 42, the engaging block 42 is connected with the connecting groove 321 in an interference fit manner, and the positioning protrusion 43 is used for inserting into the river silt.
In a more preferred embodiment, please refer to fig. 6, a plurality of positioning protrusions 43 are distributed on the lower surface of the socket body 41, the lower ends of the plurality of positioning protrusions 43 are all in a conical spike structure, and the plurality of positioning protrusions 43 are all inserted into the river silt, so as to position and fix the support column 3 and enhance the stability of the whole structure.
In a more preferred embodiment, referring to fig. 2 and 3, the single-sided track 21 is a steel plate with an L-shaped cross section, the insertion slide 22 is a T-shaped cross section, the insertion block 32 is an i-shaped cross section, one side of the insertion block 32 is inserted into the insertion slide 22, and the lower end of the insertion block 32 penetrates through the insertion slide 22, so that the lower end of the insertion block 32 is convenient for installing the insertion seat 4.
In a more preferred embodiment, please refer to fig. 4, the supporting and positioning block 31 is a structure with a wide top and a narrow bottom, and the lower surface of the supporting and positioning block 31 abuts against the upper end of the inserting slide 22 to prevent the inserting block 32 from completely sinking into the inserting slide 22 to perform the positioning function.
Example two:
the utility model provides a pair of be applied to cofferdam structure of pier construction, please continue to refer to and refer to fig. 1, fig. 2, fig. 3 and fig. 4 are shown, including a plurality of steel sheet piles 1, a plurality of steel sheet piles 1 all are the arc structure, a plurality of steel sheet piles 1 splice and form the circular shape cofferdam body together, in river silt was inserted to the bottom of cofferdam body, the circular shape pier construction region had been enclosed into to the cofferdam body, cofferdam structure still includes a plurality of supporting components, a plurality of supporting components evenly distributed are on cofferdam structure's inner wall, concatenation department between two adjacent steel sheet piles 1 all is provided with supporting component, each supporting component all includes mounting rail 2, support column 3 and plug socket 4.
The installation track 2 includes two unilateral tracks 21, and two unilateral tracks 21 set up relatively respectively on the inner wall of two adjacent steel sheet piles 1, and unilateral track 21 passes through the bolt can dismantle with steel sheet pile 1 to be connected, and the concatenation department between two steel sheet piles 1 lies in between two unilateral tracks 21, forms grafting slide 22 between two unilateral tracks 21.
Referring to fig. 4 and 5, the supporting column 3 is an integrated structure, and includes a supporting and positioning block 31 and an inserting block 32, the inserting block 32 is disposed at a lower end of the supporting and positioning block 31 along a vertical direction, a shape of the inserting block 32 is matched with a shape of the inserting slide 22, the inserting block 32 is slidably connected with the inserting slide 22, the inserting block 32 is attached to inner walls of the two steel sheet piles 1, the inserting block 32 can block a joint between the two steel sheet piles 1, and a connecting groove 321 is disposed at a bottom of the inserting block 32.
4 formula structures as an organic whole of bayonet socket, including bayonet socket body 41, gomphosis piece 42 and location are suddenly stinged 43, bayonet socket body 41 is circular platelike structure, the upper surface at bayonet socket body 41 is established to gomphosis piece 42, location is suddenly stinged 43 and is set up the lower surface at bayonet socket body 41, gomphosis piece 42 is cylindrical structure, be equipped with the external screw thread on the outer wall of gomphosis piece 42, spread groove 321 is cylindrical counter bore, be equipped with the external screw thread matched with internal thread with gomphosis piece 42 in the spread groove 321, gomphosis piece 42 adopts threaded connection with spread groove 321, be convenient for installation and dismantlement, location is suddenly stinged 43 and is used for inserting.
In a more preferred embodiment, please refer to fig. 7, an elastic layer 33 is disposed on one side of the insertion block 32 close to the two steel sheet piles 1, the elastic layer 33 is made of rubber, the elastic layer 33 is connected with the supporting and positioning block 31 by an adhesive, the elastic layer 33 can prevent the insertion block 32 from directly contacting the steel sheet piles 1, so as to reduce the wear rate of the steel sheet piles 1, and meanwhile, the elastic layer 33 can be tightly attached to the joint seam between the two steel sheet piles 1 to form a sealing connection, so that the sealing performance of the entire cofferdam body is greatly improved, and the anti-seepage performance is good.
Example three:
further, a construction method of the cofferdam structure applied to pier construction of a preferred embodiment is shown, including the above cofferdam structure applied to pier construction, the construction method including the steps of:
the method comprises the following steps: hoisting a plurality of steel sheet piles 1 into the river silt sequentially through hoisting equipment, and splicing the plurality of steel sheet piles 1 into a cofferdam body;
step two: inserting the inserting block 32 of the supporting column 3 into the inserting slideway 22, and enabling the supporting column 3 to slide downwards along the inserting slideway 22 until the lower end of the inserting block 32 extends to the lower part of the inserting slideway 22;
step three: embedding the embedding block 42 of the inserting seat 4 into the connecting groove 321 at the bottom of the inserting block 32 to realize the connection between the inserting seat 4 and the supporting column 3;
step four: the supporting column 3 continues to slide downwards along the insertion slide way 22 until the bottom of the supporting and positioning block 31 abuts against the top of the mounting rail 2, and the positioning spurs 43 are inserted into the river silt.
The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (7)
1. The cofferdam structure applied to pier construction comprises a plurality of steel sheet piles (1), wherein the steel sheet piles (1) are all arc-shaped structures, and the steel sheet piles (1) are spliced together to form a circular cofferdam body, and the cofferdam structure is characterized by also comprising a plurality of supporting components, wherein the supporting components are arranged at the splicing positions between every two adjacent steel sheet piles (1), and each supporting component comprises an installation track (2), a supporting column (3) and an inserting seat (4);
the mounting rail (2) comprises two single-side rails (21), the two single-side rails (21) are respectively arranged on the inner walls of the two adjacent steel sheet piles (1), and a splicing slide way (22) is formed between the two single-side rails (21);
the supporting column (3) is of an integrated structure and comprises a supporting and positioning block (31) and an inserting block (32), the inserting block (32) is arranged at the lower end of the supporting and positioning block (31) in the vertical direction, the inserting block (32) is inserted into the inserting slide way (22), the inserting block (32) is connected with the inserting slide way (22) in a sliding mode, the inserting block (32) is attached to the inner walls of the two steel sheet piles (1), and a connecting groove (321) is formed in the bottom of the inserting block (32);
the plug socket (4) is of an integrated structure and comprises a plug socket body (41), an embedded block (42) and a positioning protruding spine (43), wherein the plug socket body (41) is of a circular plate-shaped structure, the embedded block (42) is arranged on the upper surface of the plug socket body (41), the positioning protruding spine (43) is arranged on the lower surface of the plug socket body (41), and the embedded block (42) is detachably connected with the connecting groove (321).
2. The cofferdam structure applied to pier construction according to claim 1, wherein a plurality of positioning spurs (43) are distributed on the lower surface of the socket body (41), the lower ends of the plurality of positioning spurs (43) are all in a conical spike structure, and the plurality of positioning spurs (43) are all inserted into river sludge.
3. The cofferdam structure applied to pier construction according to claim 2, wherein the engagement block (42) is a cylindrical structure, the engagement block (42) is located at the middle of the upper surface of the socket body (41), and the connection groove (321) is a cylindrical counter bore.
4. The cofferdam structure for pier construction according to claim 1, wherein an elastic layer (33) is provided at one side of the insertion block (32) close to the two steel sheet piles (1), the elastic layer (33) is made of rubber, and the elastic layer (33) is connected with the support positioning block (31) by adhesive.
5. The cofferdam structure applied to pier construction according to claim 1, wherein the unilateral rail (21) is a steel plate with a cross-section of "L", the cross-section of the insertion slide way (22) is "T", the cross-section of the insertion block (32) is "I", and the insertion block (32) penetrates through the insertion slide way (22).
6. The cofferdam structure applied to pier construction according to claim 1, wherein the support positioning block (31) is a structure with a wide top and a narrow bottom, and the lower surface of the support positioning block (31) abuts against the upper end of the insertion slide way (22).
7. The cofferdam structure applied to pier construction according to claim 1, wherein both of the one-sided rails (21) are provided in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020025917.8U CN211773796U (en) | 2020-01-07 | 2020-01-07 | Be applied to cofferdam structure of pier construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020025917.8U CN211773796U (en) | 2020-01-07 | 2020-01-07 | Be applied to cofferdam structure of pier construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211773796U true CN211773796U (en) | 2020-10-27 |
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ID=72889058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020025917.8U Expired - Fee Related CN211773796U (en) | 2020-01-07 | 2020-01-07 | Be applied to cofferdam structure of pier construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211773796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523235A (en) * | 2020-12-09 | 2021-03-19 | 崔朋 | Water conservancy construction cofferdam device |
| CN113774817A (en) * | 2021-09-15 | 2021-12-10 | 舟山长宏国际船舶修造有限公司 | Assembled highway bridge rapid construction equipment |
-
2020
- 2020-01-07 CN CN202020025917.8U patent/CN211773796U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523235A (en) * | 2020-12-09 | 2021-03-19 | 崔朋 | Water conservancy construction cofferdam device |
| CN113774817A (en) * | 2021-09-15 | 2021-12-10 | 舟山长宏国际船舶修造有限公司 | Assembled highway bridge rapid construction equipment |
| CN113774817B (en) * | 2021-09-15 | 2023-02-28 | 舟山长宏国际船舶修造有限公司 | Assembled highway bridge rapid construction equipment |
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