CN111197316A - Novel circular double-wave steel open caisson structure - Google Patents
Novel circular double-wave steel open caisson structure Download PDFInfo
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- CN111197316A CN111197316A CN202010152416.0A CN202010152416A CN111197316A CN 111197316 A CN111197316 A CN 111197316A CN 202010152416 A CN202010152416 A CN 202010152416A CN 111197316 A CN111197316 A CN 111197316A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 210
- 239000010959 steel Substances 0.000 title claims abstract description 210
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 93
- 238000010276 construction Methods 0.000 description 13
- 238000005452 bending Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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Abstract
The invention discloses a novel circular double-wave steel open caisson structure, which comprises an inner layer of steel plate and an outer layer of steel plate, wherein the steel plate positioned on the outer layer is an outer layer of vertical wave-shaped steel plate, vertical wave-shaped parts extending along the vertical direction and having concave and convex parts along the horizontal direction are distributed on the outer layer of vertical wave-shaped steel plate, the steel plate positioned on the inner layer is an inner layer of horizontal wave-shaped steel plate, and horizontal wave-shaped parts which are in a ring shape and have concave and convex structures on the vertical surface are distributed on the inner layer of horizontal wave. According to the invention, firstly, a flat steel plate is processed into a horizontal corrugated shape to form inner-layer corrugated steel, so that the section inertia moment of the steel plate is greatly increased, and the bearing capacity of the steel plate is greatly improved; secondly, considering that the structure needs to have stronger vertical bearing capacity and transmit the water and soil pressure outside the open caisson, processing the flat steel plate into a vertical corrugated shape to form outer-layer corrugated steel; the method can adapt to the elastic constraint and deformation of the soil body around the open caisson structure, realize the redistribution of the uneven soil pressure around the open caisson, improve the bearing capacity of the structure and improve the economy of the structure.
Description
Technical Field
The invention relates to the technical field of construction engineering foundations, in particular to a wave steel open caisson foundation.
Background
In the design and construction of foundations such as foundation engineering and municipal engineering of bridges, the open caisson structure is a common structure and has the functions of retaining soil and water so as to form a bridge foundation or a dry construction environment. The open caisson structure generally used at present mainly takes a prefabricated or cast-in-place reinforced concrete structure as a main part, and the main defects are that the on-site construction quality is inconvenient to control, the on-site construction operation time is long, the operation workload is large, and the manual demand is large.
The corrugated steel plate open caisson structure is a structure formed by pressing a thin steel plate surface into a waveform, manufacturing arc-shaped plates according to engineering requirements, and connecting the arc-shaped plates on site by adopting high-strength bolts, wherein the bending resistance inertia moment outside the steel plate surface is greatly enhanced in the protruding direction of the waveform due to the existence of the waveform, so that the corrugated steel plate structure has high bending resistance bearing capacity and stability, the corrugated steel plate structure is widely applied in domestic and domestic civil engineering in the 20 th century over 70 years, mature design theory and construction experience are accumulated, the corrugated steel plate structure has the advantages of high ① material strength, reasonable stress, strong adaptive deformation capacity of ② structure, low labor force requirement and high construction speed due to the adoption of factory manufacturing in ③, the product quality is easy to control due to the adoption of factory centralized production in ④, and the waveform of single-layer corrugated steel is only in one direction, such as a horizontal direction or a vertical direction, but has the defects that the corrugated steel plate has good bending resistance bearing capacity in the corresponding direction of the waveform of the corrugated steel, but the non-bearing waveform corresponding direction is very weak, and the pressure resistance in different directions also has huge difference.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a novel circular double-wave steel open caisson structure which can be quickly and conveniently implemented, can reduce the field labor demand and improve the construction quality, is safe and reliable, has high economical efficiency, high bending resistance and bearing capacity and high adaptability to uneven soil pressure.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a novel circular two ripples steel open caisson structures, including inside and outside two-layer steel sheet, the cross section of whole steel open caisson is personally submitted circular structure, its characterized in that: the steel plate positioned on the outer layer is an outer layer vertical corrugated steel plate, vertical corrugated parts extending along the vertical direction and having concave and convex along the horizontal direction are distributed on the outer layer vertical corrugated steel plate, and a plurality of vertical corrugated parts are distributed on the whole outer layer vertical corrugated steel plate; the steel plate positioned on the inner layer is an inner layer horizontal corrugated steel plate, the inner layer horizontal corrugated steel plate is distributed with a circular ring shape and a horizontal corrugated part with a concave-convex structure on the vertical surface, and a plurality of circles of horizontal corrugated parts are distributed on the whole inner layer horizontal corrugated steel plate in a horizontal surrounding manner; the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate are fixedly connected through a connecting member to form an integral double-layer corrugated steel plate open caisson structure, and the waveform directions of the outer-layer vertical corrugated parts and the inner-layer horizontal corrugated parts are perpendicular.
Further, the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate are integrally formed into a circular straight cylindrical structure, and the net inner diameter of the inner-layer horizontal corrugated steel plate forms the inner hollow diameter of the open caisson; the inner concave innermost part of the outer layer vertical corrugated steel plate and the outer convex outermost part of the inner layer horizontal corrugated steel plate are mutually attached to form a mutual abutting structure, and the attaching parts of the inner concave innermost part and the outer convex outermost part are fixedly connected by adopting a connecting component.
Furthermore, the vertical wavy part is formed by pressing an outer-layer vertical wavy steel plate in a factory in advance, and is in a uniformly staggered wavy structure on the horizontal plane (namely the outer-layer vertical wavy steel plate is integrally in a wavy structure on the horizontal plane), so that the out-of-plane bending rigidity of the steel plate is greatly increased, and the vertical wavy part has vertical compression resistance, is a main bearing member for transmitting the water and soil pressure which are vertically and unevenly distributed on the outer side of the open caisson to the inner-layer horizontal wavy steel plate by the round double-wave steel open caisson, and is also a bearing member for bearing the vertical load in the process of sinking and using the open caisson, and the sinking resistance caused by the outer-layer vertical wavy steel plate is small due to the small cross-sectional area projected in the horizontal; the horizontal wavy part is formed by pressing the inner-layer horizontal wavy steel plate in a factory in advance, and the vertical surface of the horizontal wavy steel plate is of a uniformly staggered wavy structure (namely the inner-layer horizontal wavy steel plate is integrally of a wavy structure on the vertical surface), so that the out-of-plane bending rigidity of the steel plate is greatly increased, and the horizontal wavy steel plate has hoop compressive resistance, is a main bearing component of the circular double-wave steel open caisson for resisting water and soil pressure outside the open caisson, and cannot greatly increase the sinking resistance of the open caisson because the open caisson can adopt internal soil-taking sinking operation.
Furthermore, a reinforcing blade foot section is arranged at the bottom end of the steel open caisson, and the reinforcing blade foot section protrudes downwards from the bottom of the lower end of the inner-layer horizontal corrugated steel plate; the reinforcing blade foot section takes the bottom extension section of the lower end of the outer layer vertical corrugated steel plate as a matrix, a wedge-shaped structural reinforcing steel plate with a pointed bottom end is arranged on the inner surface of the vertical corrugated part, and the reinforcing steel plate and the outer layer vertical corrugated steel plate are perpendicular and welded and fixed; the bottom of the horizontal corrugated steel plate of the inner layer is provided with a circle of horizontal circumferential plate stiffening member, and the upper end of the stiffening steel plate positioned at the lowest end of the vertical corrugated steel plate of the outer layer is welded and fixed with the horizontal circumferential plate stiffening member. The requirement of soil cutting sinking can be met by reinforcing the blade leg sections, and the complex stress requirement of the open caisson blade leg sections is met.
Furthermore, gaps are formed between the outer convex parts of the vertical wavy parts of the outer-layer vertical wavy steel plates and the inner-layer horizontal wavy steel plates, a sinking assisting facility which is formed by pipelines and can provide high-pressure flushing water or spray lubricating slurry to the outer side of the open caisson is vertically arranged in a plurality of gaps, and a nozzle of the sinking assisting facility is positioned at the lower part of the whole open caisson and extends out of the outer-layer vertical wavy steel plates, so that the sinking resistance of the open caisson can be reduced by providing high-pressure flushing water or spray lubricating slurry to the outer side of the open caisson.
Preferably, the connecting member is a high-strength bolt.
Preferably, the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate are made of Q235 carbon structural steel (low in cost and used for meeting common stress requirements) or Q355 low-alloy steel (high in cost and used for meeting high stress requirements).
In practical application, the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate can comprise at least two sections in the vertical direction, and the abutting joint parts of the upper section and the lower section which are connected in a high mode are locked and fixed by high-strength bolts so as to realize a high-strength connecting structure.
Preferably, the wavelength L1 of the vertical wave part of the outer layer vertical wave steel plate is 20 cm-200 cm, and the wave height h1 of the vertical wave part is 5 cm-50 cm; the wavelength L2 of the horizontal wave part of the inner-layer horizontal wave steel plate is 20 cm-200 cm, and the wave height h2 of the horizontal wave part is 5 cm-50 cm. The specific values of the thickness, the wavelength, the wave height and the like of the steel plate can be selected according to geological conditions, different pressure values to be borne by open caisson at different depths and the like.
According to the invention, firstly, a flat steel plate is processed into a horizontal corrugated shape to form inner-layer corrugated steel, so that the section inertia moment of the steel plate is greatly increased, and the bearing capacity of the steel plate is greatly improved; secondly, the structure needs to have stronger vertical bearing capacity and transmit the water and soil pressure outside the open caisson by fully considering, and the flat steel plate is processed into a vertical corrugated shape to form outer-layer corrugated steel; the flexibility of the inner and outer layers of the corrugated steel can adapt to the elastic constraint and deformation of the soil body around the open caisson structure, so that the redistribution of uneven soil pressure around the open caisson is realized, the bearing capacity of the structure is further improved, the stress performance of the structure is improved, and the economy of the structure is improved; the dual-wave steel open caisson is made of steel, reduces the application of sand and cement steel bars, and realizes environmental protection. In the aspect of construction, the structure is produced in a factory in a segmented mode and assembled on site, and the main body components are produced in a steel structure processing factory and can be produced in batches, so that the manufacturing speed is high, the construction quality can be easily guaranteed, and meanwhile, the field operation amount can be greatly reduced.
Drawings
FIG. 1 is a schematic top plan view of a dual wave steel open caisson of the present invention;
fig. 2 is a schematic sectional view a-a (i.e., a schematic elevation view of a double wave steel caisson) of fig. 1.
In the figure, 1 is an outer layer vertical wave-shaped steel plate, 11 is a vertical wave-shaped part, 2 is an inner layer horizontal wave-shaped steel plate, 21 is a horizontal wave-shaped part, 22 is a horizontal circumferential plate stiffening member, 3 is a reinforced blade leg section, 4 is a connecting member, 5 is an auxiliary sinking aid, 51 is a nozzle, 6 is a gap, and 7 is a stiffening steel plate.
Detailed Description
The invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings:
in this embodiment, referring to fig. 1 and 2, the novel circular double-wave steel open caisson structure includes an inner layer steel plate and an outer layer steel plate, the cross section of the whole steel open caisson is a circular structure, the steel plate positioned on the outer layer is an outer layer vertical wave-shaped steel plate 1, vertical wave-shaped portions 11 extending in the vertical direction and having concave and convex shapes in the horizontal direction are distributed on the outer layer vertical wave-shaped steel plate 1, and a plurality of vertical wave-shaped portions 11 are distributed on the whole outer layer vertical wave-shaped steel plate 1; the steel plate positioned at the inner layer is an inner layer horizontal wave-shaped steel plate 2, horizontal wave-shaped parts 21 which are annular and have concave-convex structures on the vertical surface are distributed on the inner layer horizontal wave-shaped steel plate 2, and a plurality of circles of horizontal wave-shaped parts 21 are distributed on the whole inner layer horizontal wave-shaped steel plate 2 in a horizontal surrounding mode; the outer-layer vertical corrugated steel plate 1 and the inner-layer horizontal corrugated steel plate 2 are fixedly connected through the connecting members 4 to form an integral double-layer corrugated steel plate open caisson structure, and each vertical corrugated portion 11 is perpendicular to each horizontal corrugated portion 21. The open caisson wall adopts the inner and outer double-layer corrugated steel plates with mutually vertical corrugated directions, thereby ensuring the safety and reliability of the open caisson structure and realizing the excellent bending resistance and bearing performance from all directions.
The outer-layer vertical corrugated steel plate 1 and the inner-layer horizontal corrugated steel plate 2 are integrally formed into a circular straight cylindrical structure, and the net inner diameter of the inner-layer horizontal corrugated steel plate 2 forms the inner hollow diameter of the open caisson; the innermost concave part of the outer layer vertical corrugated steel plate 1 and the outermost convex part of the inner layer horizontal corrugated steel plate 2 are mutually clung to form a mutual abutting structure, and the clinging parts of the two parts are connected and fixed by adopting a connecting component 4.
The vertical wavy part 11 is formed by pressing an outer-layer vertical wavy steel plate 1 in a factory in advance, and has a uniformly staggered wavy structure on the horizontal plane (namely the outer-layer vertical wavy steel plate 1 has a wavy structure on the horizontal plane), so that the out-of-plane bending rigidity of the steel plate is greatly increased, and the vertical wavy part has vertical compression resistance, is a main bearing component for transmitting the water and soil pressure which are vertically and unevenly distributed on the outer side of the open caisson to the inner-layer horizontal wavy steel plate by a round double-wave steel open caisson, and is also a bearing component for bearing the vertical load in the process of sinking and using the open caisson, and the cross-sectional area of the outer-layer vertical wavy steel plate 1 projected in the horizontal direction is small, so that the sinking resistance; the horizontal wavy portion 21 is formed by pressing the inner-layer horizontal wavy steel plate 2 in a factory in advance, and is of a uniformly staggered wavy structure (namely, the inner-layer horizontal wavy steel plate 2 is of a wavy structure on a vertical surface) in the vertical direction, so that the out-of-plane bending rigidity of the steel plate is greatly increased, and the steel plate has hoop compressive resistance, is a main bearing component for resisting water and soil pressure outside the open caisson by the circular double-wave steel open caisson, and can not greatly increase the sinking resistance of the open caisson because the open caisson can adopt internal soil-taking sinking operation, so that the inner-layer horizontal wavy steel plate 2 does not greatly increase the sinking resistance of the open caisson.
A reinforced blade foot section 3 is arranged at the bottom end of the steel open caisson, and the reinforced blade foot section 3 protrudes downwards from the bottom of the lower end of the inner-layer horizontal corrugated steel plate 2; the reinforced blade leg section 3 takes the lower end bottom extension section of the outer layer vertical wave-shaped steel plate 1 as a matrix, a stiffening steel plate 7 with a wedge-shaped structure with a pointed bottom end is arranged along the inner surface of the concave part of the vertical wave-shaped part 11, and the stiffening steel plate 7 is vertical to the outer layer vertical wave-shaped steel plate 1 and is welded and fixed; the bottom end of the inner layer horizontal wave-shaped steel plate 2 is provided with a circle of horizontal circumferential plate stiffening members 22, and the upper end of the stiffening steel plate 7 is welded and fixed with the horizontal circumferential plate stiffening members 22. The requirement of soil cutting sinking can be met by reinforcing the blade leg sections 3, and the complex stress requirement of the open caisson blade leg sections is met.
The connecting member 4 is a high-strength bolt.
The outer-layer vertical corrugated steel plate 1 and the inner-layer horizontal corrugated steel plate 2 are made of Q235 carbon structural steel (low in cost and used for meeting common stress requirements) or Q355 low-alloy steel (high in cost and used for meeting high stress requirements).
In practical application, the outer-layer vertical corrugated steel plate 1 and the inner-layer horizontal corrugated steel plate 2 can comprise at least two sections in the vertical direction, and the abutting joint parts of the upper section and the lower section which are connected in a high mode are locked and fixed by high-strength bolts so as to realize a high-strength connecting structure.
The wavelength L1 of the vertical wave part of the outer layer vertical wave-shaped steel plate 1 is 20 cm-200 cm, such as 50cm, and the wave height h1 of the vertical wave part is 5 cm-50 cm, such as 20 cm; the horizontal wave-shaped part of the inner layer horizontal wave-shaped steel plate 2 has a wavelength L2 of 20cm to 200cm, such as 50cm, and a wave height h2 of 5cm to 50cm, such as 20 cm. The specific values of the thickness, the wavelength, the wave height and the like of the steel plate can be selected according to geological conditions, different pressure values to be borne by open caisson at different depths and the like.
During construction, firstly, the internal space size of the circular double-wave steel open caisson is determined according to the requirements of a foundation (such as a bridge foundation).
And then according to the stress condition of the steel open caisson in the construction and use processes, calculating and determining the accurate structural member size and material selection of the steel open caisson according to the related design specifications of the existing road bridge foundation and foundation design specifications and the like, and finishing the design drawing.
And according to the design drawing, manufacturing the segmented components of the steel open caisson in a steel structure manufacturing plant, transporting the steel open caisson to an engineering site after the steel open caisson is detected to be qualified, and completing all the procedures of the construction site while manufacturing the open caisson steel structure.
Next, assembling a lower end reinforcing blade leg section 3 of the steel open caisson on site, sequentially assembling a high outer-layer vertical corrugated steel plate 1 and an inner-layer horizontal corrugated steel plate 2, and simultaneously assembling the outer-layer vertical corrugated steel plate 1 and the inner-layer horizontal corrugated steel plate 2 into a whole by using connecting members 4 of the inner-layer corrugated steel plate and the outer-layer corrugated steel plate; and the auxiliary sinking-assisting facility 5 determines whether the lower end strengthening blade leg section 3, the outer-layer vertical corrugated steel plate 1 and the inner-layer horizontal corrugated steel plate 2 are needed or not through sinking calculation, and if the lower end strengthening blade leg section 3, the outer-layer vertical corrugated steel plate 1 and the inner-layer horizontal corrugated steel plate 2 are assembled simultaneously.
And after the circular double-wave steel open caisson is completely assembled or partially assembled, the internal soil taking sinking operation of the steel open caisson can be carried out until the steel open caisson completes the use engineering.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (9)
1. The utility model provides a novel circular two ripples steel open caisson structures, including inside and outside two-layer steel sheet, the cross section of whole steel open caisson is personally submitted circular structure, its characterized in that: the steel plate positioned on the outer layer is an outer layer vertical corrugated steel plate, vertical corrugated parts extending along the vertical direction and having concave and convex along the horizontal direction are distributed on the outer layer vertical corrugated steel plate, and a plurality of vertical corrugated parts are distributed on the whole outer layer vertical corrugated steel plate; the steel plate positioned on the inner layer is an inner layer horizontal corrugated steel plate, the inner layer horizontal corrugated steel plate is distributed with a circular ring shape and a horizontal corrugated part with a concave-convex structure on the vertical surface, and a plurality of circles of horizontal corrugated parts are distributed on the whole inner layer horizontal corrugated steel plate in a horizontal surrounding manner; the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate are fixedly connected through a connecting member to form an integral double-layer corrugated steel plate open caisson structure, and the waveform directions of the outer-layer vertical corrugated parts and the inner-layer horizontal corrugated parts are perpendicular.
2. The novel circular double wave steel open caisson structure of claim 1, wherein: the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate are integrally formed into a circular straight cylindrical structure, and the net inner diameter of the inner-layer horizontal corrugated steel plate forms the inner hollow diameter of the open caisson; the inner concave innermost part of the outer layer vertical corrugated steel plate and the outer convex outermost part of the inner layer horizontal corrugated steel plate are mutually attached to form a mutual abutting structure, and the attaching parts of the inner concave innermost part and the outer convex outermost part are fixedly connected by adopting a connecting component.
3. The novel circular double wave steel open caisson structure of claim 1 or 2, wherein: the vertical wavy parts are formed by pressing outer-layer vertical wavy steel plates in a factory in advance, and the horizontal surfaces of the vertical wavy steel plates are in uniformly staggered wavy structures; the horizontal wavy parts are formed by pressing inner-layer horizontal wavy steel plates in a factory in advance, and are in a uniformly staggered wavy structure in the vertical plane.
4. The new circular double wave steel caisson structure of any one of claims 1 to 3, wherein: a reinforced blade foot section is arranged at the bottom end of the steel open caisson and protrudes downwards from the bottom of the lower end of the inner-layer horizontal corrugated steel plate; the reinforcing blade foot section takes the bottom extension section of the lower end of the outer layer vertical corrugated steel plate as a matrix, a wedge-shaped structural reinforcing steel plate with a pointed bottom end is arranged on the inner surface of the vertical corrugated part, and the reinforcing steel plate and the outer layer vertical corrugated steel plate are perpendicular and welded and fixed; the bottom of the horizontal corrugated steel plate of the inner layer is provided with a circle of horizontal circumferential plate stiffening member, and the upper end of the stiffening steel plate positioned at the lowest end of the vertical corrugated steel plate of the outer layer is welded and fixed with the horizontal circumferential plate stiffening member.
5. The new circular double wave steel caisson structure of any one of claims 1 to 4, wherein: gaps are arranged between the convex parts of the vertical wavy parts of the outer-layer vertical wavy steel plates and the inner-layer horizontal wavy steel plates, a sinking assisting facility which is formed by pipelines and can provide high-pressure flushing water or lubricating slurry spraying to the outer side of the open caisson is vertically arranged in a plurality of gaps, and a nozzle of the sinking assisting facility is positioned at the lower part of the whole open caisson and extends out of the outer-layer vertical wavy steel plates.
6. The novel circular double wave steel open caisson structure of claim 1 or 2, wherein: the connecting member is a high-strength bolt.
7. The novel circular double wave steel open caisson structure of claim 1 or 2, wherein: the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate are made of Q235 carbon structural steel or Q355 low-alloy steel.
8. The novel circular double wave steel open caisson structure of claim 1, wherein: when the outer-layer vertical corrugated steel plate and the inner-layer horizontal corrugated steel plate comprise at least two sections vertically, the butt joint parts of the upper section and the lower section which are connected high are locked and fixed by high-strength bolts.
9. The novel circular double wave steel open caisson structure of claim 3, wherein: the wavelength L1 of the vertical wave-shaped part of the outer layer vertical wave-shaped steel plate is 20 cm-200 cm, and the wave height h1 of the vertical wave-shaped part is 5 cm-50 cm; the wavelength L2 of the horizontal wave part of the inner-layer horizontal wave steel plate is 20 cm-200 cm, and the wave height h2 of the horizontal wave part is 5 cm-50 cm.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499494A (en) * | 2014-12-22 | 2015-04-08 | 江苏省交通科学研究院股份有限公司 | Double-wall corrugated steel cofferdam |
| CN204370310U (en) * | 2014-12-19 | 2015-06-03 | 湖南明湘科技发展有限公司 | A kind of two dimension waveform steel and concrete combined bridge deck |
| CN105297755A (en) * | 2015-10-16 | 2016-02-03 | 上海市基础工程集团有限公司 | High-pressure water aid-sinking type construction device of open caisson |
| CN108149702A (en) * | 2018-01-24 | 2018-06-12 | 中交二航局第四工程有限公司 | A kind of assembled caisson wall cutting shoe structure |
| CN109098201A (en) * | 2018-10-12 | 2018-12-28 | 西南交通大学 | A kind of super plane area portions prestressed concrete well foundation and its construction method |
| CN110055991A (en) * | 2019-05-30 | 2019-07-26 | 安徽省交通控股集团有限公司 | A kind of two-wall hollow well foundation and its sinking construction method |
| CN110093942A (en) * | 2019-05-30 | 2019-08-06 | 安徽省交通控股集团有限公司 | A kind of assembled radical well foundation of two-wall hollow |
| CN209873839U (en) * | 2019-02-22 | 2019-12-31 | 衡水益通管业股份有限公司 | Steel corrugated plate concrete open caisson |
| CN211922682U (en) * | 2020-03-06 | 2020-11-13 | 中交第四航务工程勘察设计院有限公司 | Novel circular double-wave steel open caisson structure |
-
2020
- 2020-03-06 CN CN202010152416.0A patent/CN111197316A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204370310U (en) * | 2014-12-19 | 2015-06-03 | 湖南明湘科技发展有限公司 | A kind of two dimension waveform steel and concrete combined bridge deck |
| CN104499494A (en) * | 2014-12-22 | 2015-04-08 | 江苏省交通科学研究院股份有限公司 | Double-wall corrugated steel cofferdam |
| CN105297755A (en) * | 2015-10-16 | 2016-02-03 | 上海市基础工程集团有限公司 | High-pressure water aid-sinking type construction device of open caisson |
| CN108149702A (en) * | 2018-01-24 | 2018-06-12 | 中交二航局第四工程有限公司 | A kind of assembled caisson wall cutting shoe structure |
| CN109098201A (en) * | 2018-10-12 | 2018-12-28 | 西南交通大学 | A kind of super plane area portions prestressed concrete well foundation and its construction method |
| CN209873839U (en) * | 2019-02-22 | 2019-12-31 | 衡水益通管业股份有限公司 | Steel corrugated plate concrete open caisson |
| CN110055991A (en) * | 2019-05-30 | 2019-07-26 | 安徽省交通控股集团有限公司 | A kind of two-wall hollow well foundation and its sinking construction method |
| CN110093942A (en) * | 2019-05-30 | 2019-08-06 | 安徽省交通控股集团有限公司 | A kind of assembled radical well foundation of two-wall hollow |
| CN211922682U (en) * | 2020-03-06 | 2020-11-13 | 中交第四航务工程勘察设计院有限公司 | Novel circular double-wave steel open caisson structure |
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