CN110700223A - Hydrophilic platform beam slab structure and construction method thereof - Google Patents
Hydrophilic platform beam slab structure and construction method thereof Download PDFInfo
- Publication number
- CN110700223A CN110700223A CN201910965931.8A CN201910965931A CN110700223A CN 110700223 A CN110700223 A CN 110700223A CN 201910965931 A CN201910965931 A CN 201910965931A CN 110700223 A CN110700223 A CN 110700223A
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000011065 in-situ storage Methods 0.000 claims description 19
- 238000005266 casting Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0039—Methods for placing the offshore structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a hydrophilic platform beam slab structure which comprises a door-shaped precast beam slab, a cast-in-place beam, a cast-in-place panel and a pile foundation, wherein the door-shaped precast beam slab is provided with a front beam and a back beam; the prefabricated beam slab is characterized in that the beam slab structure is in a door shape, the prefabricated beam and the prefabricated slab are connected into a whole, the prefabricated panel procedures are reduced, the construction flow is simplified, the construction cost is reduced, and the construction period is shortened. The concrete construction comprises the following steps: pile foundation construction, cast-in-place bottom end rail, prefabricated door style of calligraphy beam slab, installation door style of calligraphy beam slab, cast-in-place panel and entablature. The invention aims to provide a door-shaped beam-slab structure which has better integrity, is convenient to assemble and reduces the processes of prefabricating a panel, aiming at the defects that the conventional beam-slab hydrophilic platform has more complicated processes, a prefabricated beam and a prefabricated slab are separately hoisted, a beam is poured for three times and the like; the invention has wider application range, is particularly suitable for the construction of hydrophilic platforms, simplifies the construction process, reduces the construction cost and shortens the construction period.
Description
Technical Field
The invention relates to the field of hydrophilic platforms, in particular to a hydrophilic platform beam slab structure and a construction method thereof.
Background
The top elevation of the hydrophilic platform is low, so that the construction time is limited to a certain extent, and most of the hydrophilic platforms need to be constructed in the non-flood season. At present, most of hydrophilic platform prefabricated components are mainly formed by placing prefabricated longitudinal beams on cast-in-place cross beams and placing prefabricated plates on the prefabricated longitudinal beams, the process is complex, the field installation time is long, and the cross beams need to be cast in place for three times. Therefore, a hydrophilic platform prefabricated part type with strong construction environment adaptability, good universality, convenient construction, short construction period and better economical efficiency is urgently needed to be explored.
Disclosure of Invention
The invention aims to provide a hydrophilic platform beam plate structure which can solve the problems that the construction process of the hydrophilic platform beam plate structure at the present stage is complex, the field installation time is long, the environmental adaptability is poor and the like.
In order to solve the technical problem, the invention is solved by the following technical scheme: a hydrophilic platform beam slab structure is characterized in that a hydrophilic platform comprises a pile foundation, a lower cross beam positioned above the pile foundation and a beam slab structure placed above the lower cross beam, wherein a cast-in-situ cross beam groove is formed in the beam slab structure, an upper cross beam is cast in the cast-in-situ cross beam groove, and a cast-in-situ panel is arranged at the top of the beam slab structure; the beam slab structure is in a shape of a Chinese character 'men', and is formed by splicing a first prefabricated beam slab in a shape of a Chinese character 'men', a second prefabricated beam slab in a shape of a Chinese character 'men' and a third prefabricated beam slab, wherein the first prefabricated beam slab in a shape of a Chinese character 'men' comprises a prefabricated slab and two prefabricated longitudinal beams positioned at the bottom of the prefabricated slab, one end of the prefabricated slab is connected with one prefabricated longitudinal beam to form a closed end, the other end of the prefabricated slab is a cantilever end and extends to the outer side of the other prefabricated longitudinal beam, and a cast-in-situ transverse; the second door-shaped precast beam plate comprises a precast plate and two precast longitudinal beams positioned at the bottom of the precast plate, both ends of the precast plate are cantilever ends and extend to the outer sides of the two precast longitudinal beams, and a cast-in-situ cross beam groove is formed between the two precast longitudinal beams; the third door-shaped precast beam plate comprises a precast slab and two precast longitudinal beams positioned at the bottom of the precast slab, both ends of the precast slab are cantilever ends and extend to the outer sides of the two precast longitudinal beams, a cast-in-situ cross beam groove is formed between the two precast longitudinal beams, and the thickness of the precast slab and the width of the precast longitudinal beams in the third door-shaped precast beam plate are respectively greater than the thickness of the second door-shaped precast beam plate and the width of the precast longitudinal beams.
Furthermore, the first door-shaped precast beam plate is used at the end part of the hydrophilic platform, the second door-shaped precast beam plate is used for the middle section with small load and the cantilever section, and the third door-shaped precast beam plate is used for the middle section with large load; the closed end of the first door-shaped precast beam plate is positioned at the end part of the hydrophilic platform, the cantilever end of the first door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate, and the cantilever end of the second door-shaped precast beam plate is connected with the adjacent cantilever end of the first door-shaped precast beam plate, the adjacent cantilever end of the second door-shaped precast beam plate, or the adjacent cantilever end of the third door-shaped precast beam plate or is suspended; the cantilever end of the third door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate or the cantilever end of the third door-shaped precast beam plate; and a cast-in-situ beam groove is also formed below the cantilever ends of two adjacent door-shaped precast beam plates.
The beam-slab structure is in a door shape, and the precast beam and the precast slab are connected into a whole, so that the panel prefabricating process is reduced, the construction flow is simplified, the construction cost is reduced, and the construction period is shortened. The beam slab structure is a door-shaped integral component, 3 different types can adapt to various application scenes, and the beam slab structure has a simple installation process.
Further, the construction method of the hydrophilic platform beam-slab structure is characterized by comprising the following steps:
pile foundation construction, pile foundation engineering construction is required according to a permanent structure;
cast-in-situ lower beam
Mounting door-shaped precast beam plates, placing the door-shaped precast beam plates on a cast-in-place lower cross beam, wherein the first door-shaped precast beam plate is used for the end part of a hydrophilic platform, the second door-shaped precast beam plate is used for the middle section with smaller load and the cantilever section, and the third door-shaped precast beam plate is used for the middle section with larger load; the closed end of the first door-shaped precast beam plate is positioned at the end part of the hydrophilic platform, the cantilever end of the first door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate, and the cantilever end of the second door-shaped precast beam plate is connected with the adjacent cantilever end of the first door-shaped precast beam plate, the adjacent cantilever end of the second door-shaped precast beam plate, or the adjacent cantilever end of the third door-shaped precast beam plate or is suspended; the cantilever end of the third door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate or the cantilever end of the third door-shaped precast beam plate;
the cast-in-place beam comprises a cast-in-place panel and an upper beam, a cast-in-place beam groove is formed between adjacent prefabricated longitudinal beams of the door-shaped prefabricated beam plate, the upper beam is poured in the cast-in-place beam groove, and the cast-in-place panel is arranged above the door-shaped prefabricated beam plate.
The invention has the positive effects that:
1. the beam plate structure of the invention is a door-shaped prefabricated component, the installation process is simple and efficient, and the construction efficiency is improved.
2. The beam-slab structure type of the invention integrates the precast beam and the precast slab according to the construction characteristics, reduces the precast panel process, simplifies the construction flow, reduces the construction cost and shortens the construction period.
3. The beam-slab structure type of the invention has few types and strong applicability. According to the requirement of the stress performance, the engineering requirements can be met by adopting several different cross-section heights, reinforcement quantity and reinforcement forms, and the cross-section structure optimization and economic benefit maximization are achieved.
4. The cast-in-place beam only needs to be cast twice, and the one-time casting process is reduced.
5. The beam slab structure type of the invention adopts an industrial prefabrication mode, and the mechanical construction molding is carried out on the construction site, thus being beneficial to reducing the cost, improving the quality and shortening the construction period compared with the traditional construction mode.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.
As shown in fig. 1, the hydrophilic platform comprises three n-shaped precast beam plates (a first n-shaped precast beam plate 1, a second n-shaped precast beam plate 2 and a third n-shaped precast beam plate 3), a cast-in-place lower beam 4, a cast-in-place upper beam 5, a cast-in-place panel 6 and a pile foundation 7. The hydrophilic platform is mainly subjected to crowd movement load and landscape gadget gravity load, the rear soil pressure is borne by the retaining wall, the stress condition is simple and clear, and the requirement on the structure is low. The adoption of standardized components is beneficial to greatly reducing the complexity of design and construction and improving the efficiency of engineering construction.
As shown in the figure, the first n-shaped precast beam slab 1 comprises precast slabs and two precast longitudinal beams positioned at the bottoms of the precast slabs, wherein one end of each precast slab is connected with one precast longitudinal beam to form a closed end, the other end of each precast slab is a cantilever end and extends to the outer side of the other precast longitudinal beam, and a cast-in-situ transverse beam groove is formed between the two precast longitudinal beams; the second door-shaped precast beam plate 2 comprises a precast plate and two precast longitudinal beams positioned at the bottom of the precast plate, both ends of the precast plate are cantilever ends and extend to the outer sides of the two precast longitudinal beams, and a cast-in-situ cross beam groove is formed between the two precast longitudinal beams; the third door-shaped precast beam plate 3 comprises a precast plate and two precast longitudinal beams positioned at the bottom of the precast plate, the two ends of the precast plate are cantilever ends, the two precast longitudinal beams extend to the outer sides of the two precast longitudinal beams, a cast-in-place transverse beam groove is formed between the two precast longitudinal beams, and the thickness of the precast plate and the width of the precast longitudinal beam in the third door-shaped precast beam plate 3 are respectively greater than the thickness of the precast plate and the width of the precast longitudinal beam in the second door-shaped precast beam plate 2.
The first door-shaped precast beam plate 1 is used at the end part of the hydrophilic platform, the second door-shaped precast beam plate 2 is used at the middle section with smaller load and the cantilever section, and the third door-shaped precast beam plate 3 is used at the middle section with larger load; the closed end of the first door-shaped precast beam plate 1 is positioned at the end part of the hydrophilic platform, the cantilever end of the first door-shaped precast beam plate 1 is connected with the cantilever end of the adjacent second door-shaped precast beam plate, the cantilever end of the first door-shaped precast beam plate is connected with 2 cantilever ends of the adjacent second door-shaped precast beam plate, and the other cantilever end of the second door-shaped precast beam plate 2 is connected with one cantilever end of the third door-shaped precast beam plate 3; the other cantilever end of the third door-shaped precast beam plate is connected with the other cantilever end of the adjacent second door-shaped precast beam plate 2.
During construction, the method comprises the following steps:
pile foundation construction, pile foundation engineering construction is required according to a permanent structure;
casting a lower cross beam in situ;
prefabricating the door-shaped beam plate, and manufacturing the door-shaped prefabricated beam plate in advance in a construction preparation stage and a cast-in-place beam period;
mounting a door-shaped precast beam plate, and placing the door-shaped precast beam plate on the cast-in-place lower cross beam;
the cast-in-place beam comprises a cast-in-place panel and an upper beam, a cast-in-place beam groove is formed between adjacent prefabricated longitudinal beams of the door-shaped prefabricated beam plate, the upper beam is poured in the cast-in-place beam groove, and the cast-in-place panel is arranged above the door-shaped prefabricated beam plate.
In the ecological landscape river channel construction project, after the size and the plane layout of a newly-built hydrophilic platform are determined, the upper beam plate of the newly-built hydrophilic platform can be regularly discharged by adopting three standard components according to different bearing requirements, and the regular platform with the length L =80000mm and the width M =20000mm is spliced out. The hydrophilic platform structure has a large number of application occasions without considering lines and with relatively elastic size, and the layout mode with relatively fixed size has good adaptability.
In the construction process, the door-shaped beam plate can be simply hoisted and installed after the construction of the beam, the construction process is simple, the time is short, and the method can adapt to poor operation conditions. The defects that the precast beam and the precast slab are hoisted separately, the beam is poured for three times and the like are overcome, and the door-shaped beam slab structure which has better integrity, is convenient to assemble and reduces the panel prefabricating process is provided; the invention has wider application range, is particularly suitable for the construction of hydrophilic platforms, simplifies the construction process, reduces the construction cost and shortens the construction period.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (3)
1. A hydrophilic platform beam slab structure is characterized in that a hydrophilic platform comprises a pile foundation, a lower cross beam positioned above the pile foundation and a beam slab structure placed above the lower cross beam, wherein a cast-in-situ cross beam groove is formed in the beam slab structure, an upper cross beam is cast in the cast-in-situ cross beam groove, and a cast-in-situ panel is arranged at the top of the beam slab structure; the beam slab structure is in a shape of a Chinese character 'men', and is formed by splicing a first prefabricated beam slab in a shape of a Chinese character 'men', a second prefabricated beam slab in a shape of a Chinese character 'men' and a third prefabricated beam slab, wherein the first prefabricated beam slab in a shape of a Chinese character 'men' comprises a prefabricated slab and two prefabricated longitudinal beams positioned at the bottom of the prefabricated slab, one end of the prefabricated slab is connected with one prefabricated longitudinal beam to form a closed end, the other end of the prefabricated slab is a cantilever end and extends to the outer side of the other prefabricated longitudinal beam, and a cast-in-situ transverse; the second door-shaped precast beam plate comprises a precast plate and two precast longitudinal beams positioned at the bottom of the precast plate, both ends of the precast plate are cantilever ends and extend to the outer sides of the two precast longitudinal beams, and a cast-in-situ cross beam groove is formed between the two precast longitudinal beams; the third door-shaped precast beam plate comprises a precast slab and two precast longitudinal beams positioned at the bottom of the precast slab, both ends of the precast slab are cantilever ends and extend to the outer sides of the two precast longitudinal beams, a cast-in-situ cross beam groove is formed between the two precast longitudinal beams, and the thickness of the precast slab and the width of the precast longitudinal beams in the third door-shaped precast beam plate are respectively greater than the thickness of the second door-shaped precast beam plate and the width of the precast longitudinal beams.
2. The beam slab structure according to claim 1, wherein a first portal-shaped precast beam slab is used for the end of the hydrophilic platform, a second portal-shaped precast beam slab is used for the middle section with smaller load and the cantilever section, and a third portal-shaped precast beam slab is used for the middle section with larger load; the closed end of the first door-shaped precast beam plate is positioned at the end part of the hydrophilic platform, the cantilever end of the first door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate, and the cantilever end of the second door-shaped precast beam plate is connected with the adjacent cantilever end of the first door-shaped precast beam plate, the adjacent cantilever end of the second door-shaped precast beam plate, or the adjacent cantilever end of the third door-shaped precast beam plate or is suspended; the cantilever end of the third door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate or the cantilever end of the third door-shaped precast beam plate; and a cast-in-situ beam groove is also formed below the cantilever ends of two adjacent door-shaped precast beam plates.
3. A method of constructing a hydrophilic platform beam and slab structure according to claim 1, wherein the method comprises the steps of:
pile foundation construction, pile foundation engineering construction is required according to a permanent structure;
casting a lower cross beam in situ;
mounting door-shaped precast beam plates, placing the door-shaped precast beam plates on a cast-in-place lower cross beam, wherein the first door-shaped precast beam plate is used for the end part of a hydrophilic platform, the second door-shaped precast beam plate is used for the middle section with smaller load and the cantilever section, and the third door-shaped precast beam plate is used for the middle section with larger load; the closed end of the first door-shaped precast beam plate is positioned at the end part of the hydrophilic platform, the cantilever end of the first door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate, and the cantilever end of the second door-shaped precast beam plate is connected with the adjacent cantilever end of the first door-shaped precast beam plate, the adjacent cantilever end of the second door-shaped precast beam plate, or the adjacent cantilever end of the third door-shaped precast beam plate or is suspended; the cantilever end of the third door-shaped precast beam plate is connected with the adjacent cantilever end of the second door-shaped precast beam plate or the cantilever end of the third door-shaped precast beam plate;
the cast-in-place beam comprises a cast-in-place panel and an upper beam, a cast-in-place beam groove is formed between adjacent prefabricated longitudinal beams of the door-shaped prefabricated beam plate, the upper beam is poured in the cast-in-place beam groove, and the cast-in-place panel is arranged above the door-shaped prefabricated beam plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965931.8A CN110700223A (en) | 2019-10-12 | 2019-10-12 | Hydrophilic platform beam slab structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965931.8A CN110700223A (en) | 2019-10-12 | 2019-10-12 | Hydrophilic platform beam slab structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN110700223A true CN110700223A (en) | 2020-01-17 |
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| CN201910965931.8A Pending CN110700223A (en) | 2019-10-12 | 2019-10-12 | Hydrophilic platform beam slab structure and construction method thereof |
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| US20040231286A1 (en) * | 2001-08-03 | 2004-11-25 | Alton Mark Andrew | Prefabricated unit for refurbishment or construction of platforms |
| JP2007239250A (en) * | 2006-03-07 | 2007-09-20 | Toda Constr Co Ltd | Construction method of solid viaduct structure |
| JP2008014047A (en) * | 2006-07-06 | 2008-01-24 | Okumura Corp | Beam-column connection portion structure and method of constructing the same |
| CN205444453U (en) * | 2016-01-06 | 2016-08-10 | 中国建筑第八工程局有限公司 | Assembled prestressing force double T board frame construction |
| CN109082998A (en) * | 2018-07-05 | 2018-12-25 | 湖南省交通规划勘察设计院有限公司 | Integral prefabricated steel plate combination girder construction and construction method |
| CN211498794U (en) * | 2019-10-12 | 2020-09-15 | 上海市政工程设计研究总院（集团）有限公司 | Hydrophilic platform beam slab structure |
-
2019
- 2019-10-12 CN CN201910965931.8A patent/CN110700223A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040231286A1 (en) * | 2001-08-03 | 2004-11-25 | Alton Mark Andrew | Prefabricated unit for refurbishment or construction of platforms |
| JP2007239250A (en) * | 2006-03-07 | 2007-09-20 | Toda Constr Co Ltd | Construction method of solid viaduct structure |
| JP2008014047A (en) * | 2006-07-06 | 2008-01-24 | Okumura Corp | Beam-column connection portion structure and method of constructing the same |
| CN205444453U (en) * | 2016-01-06 | 2016-08-10 | 中国建筑第八工程局有限公司 | Assembled prestressing force double T board frame construction |
| CN109082998A (en) * | 2018-07-05 | 2018-12-25 | 湖南省交通规划勘察设计院有限公司 | Integral prefabricated steel plate combination girder construction and construction method |
| CN211498794U (en) * | 2019-10-12 | 2020-09-15 | 上海市政工程设计研究总院（集团）有限公司 | Hydrophilic platform beam slab structure |
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