CN220686117U - Assembled open caisson adopting duct piece type prefabricated component - Google Patents
Assembled open caisson adopting duct piece type prefabricated component Download PDFInfo
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- CN220686117U CN220686117U CN202322304626.9U CN202322304626U CN220686117U CN 220686117 U CN220686117 U CN 220686117U CN 202322304626 U CN202322304626 U CN 202322304626U CN 220686117 U CN220686117 U CN 220686117U
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 37
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010276 construction Methods 0.000 description 23
- 238000005520 cutting process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to an assembled open caisson adopting duct piece type prefabricated parts, which comprises a plurality of sections of open caisson units which are sequentially connected from bottom to top, wherein each section of open caisson unit comprises a plurality of duct piece type prefabricated parts which are connected into a ring; the upper end face and the lower end face of the duct piece type prefabricated component are horizontally arranged, and the two side faces are inclined planes, so that two adjacent duct piece type prefabricated components which are upright and inverted are mutually attached through the inclined planes; each duct piece type prefabricated part is provided with a first bolt hole penetrating to one inclined plane and a second bolt hole which is not penetrated and is arranged on the other inclined plane; the first bolt hole of the duct piece type prefabricated part and the second bolt hole of the adjacent duct piece type prefabricated part form a complete straight bolt hole for the transverse connecting bolt to be inserted, and the adjacent two duct piece type prefabricated parts are connected. The utility model optimizes the structure of the tubular sheet type prefabricated part, is easy to operate and reliable in connection through straight bolt connection, and belongs to the technical field of assembled building structures.
Description
Technical Field
The utility model relates to an assembled building structure, in particular to an assembled open caisson adopting duct piece type prefabricated parts.
Background
The open caisson is a shaft-shaped structure, and is submerged to a designed elevation after overcoming the friction resistance of the well wall by means of self gravity of the open caisson in a well earth digging mode, and then is subjected to concrete bottom sealing and well hole filling, so that the open caisson becomes a bridge abutment or other structure foundation. The open caisson structure has the advantages of good integrity, high rigidity, high bearing capacity, large depth and the like, and is widely applied to various different types of projects, including projects such as pier foundation pits, water supply and drainage underground structures, large equipment foundations, civil air defense shelters, shield working wells, pipe network working wells, mining area shafts, underground lanes, station hydraulic foundation construction enclosures and the like.
The traditional open caisson construction is carried out in a cast-in-place mode, and the open caisson construction needs to be excavated for a long time, so that the construction period of the cast-in-place open caisson construction is long, and if the open caisson construction is located in an urban main road, urban traffic is greatly affected. The open caisson construction is carried out by prefabricated open caisson components in a factory and then transported to an assembly technology for connection on site, so that the time of on-site construction can be effectively reduced.
The assembly technology is a technology for transferring a large amount of field operation work in a traditional construction mode to a factory, processing and manufacturing building components and accessories in the factory, transporting to a building construction site, and finally assembling and installing on site through a reliable connection mode. The assembled building has the characteristics of high efficiency, good precision, less manpower requirement, energy conservation and environmental protection, and meets the current goal of promoting the collaborative development of intelligent buildings and building industrialization in China. The assembly type technology is applied to the open caisson construction process, so that the working efficiency of the open caisson construction can be effectively improved, the construction cost is reduced, and the construction period is shortened.
CN 114809053A discloses a construction method for quickly treating underground obstacles by a novel prefabricated open caisson, which is divided into a plurality of sections from top to bottom, each section is formed by encircling a plurality of open caisson prefabricated sheets, however, the open caisson has the following disadvantages: 1. the side of the open caisson prefabricated sheet is vertical, and two adjacent open caisson prefabricated sheets are connected through a circumferential connecting bolt, and the circumferential connecting bolt is a circular bending bolt and is not easy to operate. 2. The upper and lower adjacent open caisson prefabricated sheets are connected through longitudinal connecting bolts, and the longitudinal connecting bolts are annular bending bolts and are not easy to operate. 3. The blade feet can be arranged, but the blade feet are common blade feet.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the utility model aims at: the assembled open caisson adopting the duct piece type prefabricated component is easy to construct.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an assembled open caisson adopting duct-type prefabricated parts comprises a plurality of sections of open caisson units which are sequentially connected from bottom to top, wherein each section of open caisson unit comprises a plurality of duct-type prefabricated parts which are connected into a ring; the upper end face and the lower end face of the duct piece type prefabricated component are horizontally arranged, and the two side faces are inclined planes, so that two adjacent duct piece type prefabricated components which are upright and inverted are mutually attached through the inclined planes; each duct piece type prefabricated part is provided with a first bolt hole penetrating to one inclined plane and a second bolt hole which is not penetrated and is arranged on the other inclined plane; the first bolt hole of the duct piece type prefabricated part and the second bolt hole of the adjacent duct piece type prefabricated part form a complete straight bolt hole for the transverse connecting bolt to be inserted, and the adjacent two duct piece type prefabricated parts are connected.
Preferably, the first bolt hole starts from the upper end face or the lower end face of the duct type prefabricated component, is obliquely arranged and ends at the inclined face of the duct type prefabricated component.
Preferably, at the starting point of the first bolt hole, the surface of the segment-type prefabricated part is provided with a cavity for completely accommodating the head of the transverse connecting bolt.
Preferably, in a section of open caisson unit, the number of segment-type prefabricated parts is two.
Preferably, each duct piece type prefabricated part is provided with a third bolt hole penetrating up and down and a fourth bolt hole which is arranged at the upper end and is not penetrated; the third bolt hole of the pipe sheet type prefabricated part is opposite to the fourth bolt hole of the adjacent pipe sheet type prefabricated part above, and a complete straight bolt hole is formed for inserting a longitudinal connecting bolt to connect the upper pipe sheet type prefabricated part and the lower pipe sheet type prefabricated part.
Preferably, at the upper end of the third bolt hole, the upper end surface of the segment-type prefabricated part is provided with a cavity for completely accommodating the head of the longitudinal connecting bolt.
Preferably, each segment prefabricated member is provided with three third bolt holes and three fourth bolt holes.
Preferably, a rubber water stop is arranged between two adjacent duct piece type prefabricated components in the transverse direction, and a rubber water stop is arranged between two adjacent duct piece type prefabricated components in the upper and lower directions.
Preferably, in the open caisson unit of the lowermost section, a steel blade foot is arranged below the segment-type prefabricated part.
Preferably, the steel blade foot comprises a blade foot section, a steel plate and a rubber sheet; the blade foot section and the duct piece type prefabricated component are integrally cast into a concrete piece; the steel plate is fixed on the outer side of the concrete piece, the lower end of the steel plate is in the shape of a blade foot, the lower end of the steel plate is lower than the lower end of the blade foot section, and the steel plate and the blade foot section form a complete blade foot; a rubber sheet is arranged between the steel plate and the concrete piece.
The principle of the utility model is as follows: optimizing the structure of the duct piece type prefabricated part, and designing a transverse connection scheme, a longitudinal connection scheme and a steel blade foot scheme on the basis of the structure.
The utility model has the following advantages:
1. the structure of the pipe sheet type prefabricated part is optimized, so that the pipe sheet type prefabricated parts are connected through straight bolts, the operation is easy, the connection is reliable, and the construction is convenient.
2. The accommodating cavity is arranged to accommodate the head of the bolt, and the bolt is not exposed outside.
3. The rubber water stop piece and the rubber sheet are arranged, and are tightly attached under the action of the bolts, so that the water stop effect of the assembled open caisson is effectively improved.
4. The steel cutting edge is adopted, so that the weight of the open caisson is concentrated at the steel plate position at the tip end of the cutting edge, the cutting edge generates larger shearing force, the soil layer around the lower end of the well wall is cut, and the open caisson is facilitated to sink.
5. Except the segment type prefabricated part with the strip steel cutting edge at the lowest end, the other segment type prefabricated parts have the same structure, and are modularly designed and installed, so that the construction process is simple.
6. Compared with the traditional cast-in-situ open caisson construction, the assembled open caisson adopts the mode of factory prefabrication and field installation, can effectively shorten the field construction period, reduce the construction cost, and simultaneously reduce the influence of the field construction on the surrounding environment and urban traffic.
7. The assembled open caisson, the connection of horizontal and vertical component all is connected through the bolt hole of reserving, forms a whole with each prefabricated component combination, atress jointly, and the wholeness is better, and construction quality also can be guaranteed, and avoids carrying out the component connection through cast in situ, saves the time of site operation effectively.
Drawings
Fig. 1 is an expanded view of a section of open caisson unit.
Fig. 2 is an enlarged view of a portion of the connection of laterally adjacent tube sheet type prefabricated elements.
Fig. 3 is a layout diagram of a third bolt hole and a fourth bolt hole.
Fig. 4 is an enlarged view of a portion of the connection of longitudinally adjacent tube sheet type prefabricated elements.
Fig. 5 is an expanded view of the connection of adjacent open caisson units.
Fig. 6 is a schematic view of a steel blade foot.
Fig. 7 is a schematic structural view of the assembled open caisson.
Wherein, 1 is duct piece prefabricated component, 2 is the inclined plane, 3 is first bolt hole, 4 is the second bolt hole, 5 is transverse connection bolt, 6 is the appearance chamber of holding transverse connection bolt head, 7 is the third bolt hole, 8 is the fourth bolt hole, 9 is vertical connecting bolt, 10 is the appearance chamber of holding vertical connecting bolt head, 11 is rubber sealing piece, 12 is the cutting edge foot section, 13 is the steel sheet, 14 is the sheet rubber.
Detailed Description
The present utility model will be described in further detail with reference to the following embodiments.
An assembled open caisson adopting duct piece type prefabricated components comprises a plurality of sections of open caisson units which are sequentially connected from bottom to top, wherein each section of open caisson unit comprises a plurality of duct piece type prefabricated components which are connected into a ring. In this embodiment, the height of each section of open caisson unit is 1.5 meters, and each section of open caisson unit comprises four segment-type prefabricated components, as shown in fig. 1, and is in an isosceles trapezoid shape after being unfolded.
The upper end face and the lower end face of the duct piece type prefabricated component are horizontally arranged, and the two side faces are inclined planes, so that two adjacent duct piece type prefabricated components which are upright and inverted are mutually attached through the inclined planes; each segment type prefabricated part is provided with a first bolt hole penetrating to one inclined plane and a second bolt hole which is not penetrated and is arranged on the other inclined plane in the prefabrication process; the first bolt hole of the duct piece type prefabricated part and the second bolt hole of the adjacent duct piece type prefabricated part form a complete straight bolt hole for the transverse connecting bolt to be inserted, and the adjacent two duct piece type prefabricated parts are connected. The first bolt hole starts from the upper end face or the lower end face of the duct type prefabricated component, is obliquely arranged and is terminated at the inclined plane of the duct type prefabricated component. At the starting point of the first bolt hole, the surface of the duct piece type prefabricated part is provided with a cavity which completely accommodates the head of the transverse connecting bolt. After the same section of adjacent duct-type prefabricated parts are assembled in place, the first bolt holes and the second bolt holes reserved are obliquely penetrated by using transverse connecting bolts so as to connect the adjacent duct-type prefabricated parts in the same section of open caisson unit, and the duct-type prefabricated parts are connected into a whole, as shown in figure 2.
In a section of open caisson unit, the number of the duct piece type prefabricated parts is two, so that the duct piece type prefabricated parts are connected end to end and are connected into a ring shape, and the number of the duct piece type prefabricated parts is four in the embodiment.
Each duct piece type prefabricated part is provided with a third bolt hole penetrating up and down and a fourth bolt hole which is arranged at the upper end and is not penetrated; the third bolt hole of the pipe sheet type prefabricated part is opposite to the fourth bolt hole of the adjacent pipe sheet type prefabricated part above, and a complete straight bolt hole is formed for inserting a longitudinal connecting bolt to connect the upper pipe sheet type prefabricated part and the lower pipe sheet type prefabricated part. At the upper end of the third bolt hole, the upper end surface of the duct piece type prefabricated part is provided with a containing cavity for completely containing the head of the longitudinal connecting bolt. Preferably, each segment preform is provided with three third bolt holes and three fourth bolt holes, as shown in fig. 3. Vertical adjacent duct piece type prefabricated components are connected through reserved bolt holes in a bolt mode. The adjacent two sections of open caisson units are arranged in a staggered manner, the third bolt hole of the upper ring open caisson unit is aligned with the fourth bolt hole of the lower ring open caisson unit, and the longitudinal connecting bolts sequentially penetrate through the third bolt hole of the upper ring open caisson unit and the fourth bolt hole of the lower ring open caisson unit, so that the vertically adjacent two sections of open caisson units are connected into a whole, as shown in fig. 4 and 5.
A rubber water stop is arranged between two adjacent duct-type prefabricated components in the transverse direction, and a rubber water stop is arranged between two adjacent duct-type prefabricated components in the upper and lower directions.
In the open caisson unit of the lowest section, a steel blade foot is arranged below the duct piece type prefabricated component. The steel blade foot comprises a blade foot section, a steel plate and a rubber sheet; the blade foot section and the duct piece type prefabricated component are integrally cast into a concrete piece; the steel plate is fixed on the outer side of the concrete piece, the lower end of the steel plate is in the shape of a blade foot, the lower end of the steel plate is lower than the lower end of the blade foot section, and the steel plate and the blade foot section form a complete blade foot; a rubber sheet is arranged between the steel plate and the concrete piece. The steel cutting edge is adopted, so that the weight of the open caisson is concentrated at the steel plate position at the tip end of the cutting edge, the cutting edge generates larger shearing force, the soil layer around the lower end of the well wall is cut, and the open caisson is facilitated to sink. In the prefabrication process of the steel blade feet, steel materials are prefabricated and molded according to the size requirement of the open caisson, concrete pouring is carried out by using corresponding templates, the concrete is connected with a steel plate to form a whole after solidification, and a rubber sheet is arranged at the junction of the end part of the steel plate and a concrete piece to play a role in stopping water, as shown in figure 6.
The construction flow of the assembled open caisson is as follows:
(1) Prefabricated segment assembly type components.
(2) Transported to a construction site.
(3) The steel blade foot ring open caisson unit is positioned and installed, horizontally connected and sunk.
(4) And carrying out positioning and mounting, horizontal and vertical connection, sinking and other processes sequentially after the subsequent ring open caisson units arrive at the field.
(5) And the final annular pipe sheet type prefabricated part of the open caisson is installed and sunk to the designed elevation.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides an adopt prefabricated component's of segment formula open caisson, includes from the multisection open caisson unit that upwards connects gradually down, every section open caisson unit includes the prefabricated component of polylith tubular sheet that connects into ring, its characterized in that: the upper end face and the lower end face of the duct piece type prefabricated component are horizontally arranged, and the two side faces are inclined planes, so that two adjacent duct piece type prefabricated components which are upright and inverted are mutually attached through the inclined planes; each duct piece type prefabricated part is provided with a first bolt hole penetrating to one inclined plane and a second bolt hole which is not penetrated and is arranged on the other inclined plane; the first bolt hole of the duct piece type prefabricated part and the second bolt hole of the adjacent duct piece type prefabricated part form a complete straight bolt hole for the transverse connecting bolt to be inserted, and the adjacent two duct piece type prefabricated parts are connected.
2. A fabricated open caisson with a duct piece type prefabricated component according to claim 1, characterized in that: the first bolt hole starts from the upper end face or the lower end face of the duct type prefabricated component, is obliquely arranged and is terminated at the inclined plane of the duct type prefabricated component.
3. A fabricated open caisson with a duct piece type prefabricated component according to claim 2, characterized in that: at the starting point of the first bolt hole, the surface of the duct piece type prefabricated part is provided with a cavity which completely accommodates the head of the transverse connecting bolt.
4. A fabricated open caisson with a duct piece type prefabricated component according to claim 1, characterized in that: in a section of open caisson unit, the number of the duct piece type prefabricated components is two.
5. A fabricated open caisson with a duct piece type prefabricated component according to claim 1, characterized in that: each duct piece type prefabricated part is provided with a third bolt hole penetrating up and down and a fourth bolt hole which is arranged at the upper end and is not penetrated; the third bolt hole of the pipe sheet type prefabricated part is opposite to the fourth bolt hole of the adjacent pipe sheet type prefabricated part above, and a complete straight bolt hole is formed for inserting a longitudinal connecting bolt to connect the upper pipe sheet type prefabricated part and the lower pipe sheet type prefabricated part.
6. A fabricated open caisson with a duct piece type prefabricated component as set forth in claim 5, wherein: at the upper end of the third bolt hole, the upper end surface of the duct piece type prefabricated part is provided with a containing cavity for completely containing the head of the longitudinal connecting bolt.
7. A fabricated open caisson with a duct piece type prefabricated component as set forth in claim 6, wherein: each segment type prefabricated part is provided with three third bolt holes and three fourth bolt holes.
8. A fabricated open caisson with a duct piece type prefabricated component according to claim 1, characterized in that: a rubber water stop is arranged between two adjacent duct-type prefabricated components in the transverse direction, and a rubber water stop is arranged between two adjacent duct-type prefabricated components in the upper and lower directions.
9. A fabricated open caisson with a duct piece type prefabricated component according to claim 1, characterized in that: in the open caisson unit of the lowest section, a steel blade foot is arranged below the duct piece type prefabricated component.
10. A fabricated open caisson with a duct piece type prefabricated component as set forth in claim 9, wherein: the steel blade foot comprises a blade foot section, a steel plate and a rubber sheet; the blade foot section and the duct piece type prefabricated component are integrally cast into a concrete piece; the steel plate is fixed on the outer side of the concrete piece, the lower end of the steel plate is in the shape of a blade foot, the lower end of the steel plate is lower than the lower end of the blade foot section, and the steel plate and the blade foot section form a complete blade foot; a rubber sheet is arranged between the steel plate and the concrete piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304626.9U CN220686117U (en) | 2023-08-25 | 2023-08-25 | Assembled open caisson adopting duct piece type prefabricated component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304626.9U CN220686117U (en) | 2023-08-25 | 2023-08-25 | Assembled open caisson adopting duct piece type prefabricated component |
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| Publication Number | Publication Date |
|---|---|
| CN220686117U true CN220686117U (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322304626.9U Active CN220686117U (en) | 2023-08-25 | 2023-08-25 | Assembled open caisson adopting duct piece type prefabricated component |
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| Country | Link |
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| CN (1) | CN220686117U (en) |
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2023
- 2023-08-25 CN CN202322304626.9U patent/CN220686117U/en active Active
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