CN115404901B - Assembled slurry stirring station foundation and construction method - Google Patents
Assembled slurry stirring station foundation and construction method Download PDFInfo
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- CN115404901B CN115404901B CN202210915509.3A CN202210915509A CN115404901B CN 115404901 B CN115404901 B CN 115404901B CN 202210915509 A CN202210915509 A CN 202210915509A CN 115404901 B CN115404901 B CN 115404901B
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- foundation
- cover plate
- supporting
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- upper cover
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- 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
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0079—Granulates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses an assembled slurry mixing station foundation and a construction method, wherein a foundation structure comprises a supporting framework arranged on a cement surface of a foundation pit, a cover plate arranged on the supporting framework, a plurality of steel sand boxes arranged on the cover plate and a plurality of foundation reserved pieces arranged on the cover plate, and the construction steps comprise foundation pit preparation, bottom foundation construction, middle foundation construction, top foundation construction and sand backfill. The foundation adopts the recyclable assembled structure to replace the traditional reinforced concrete foundation, is convenient to install and detach, solves the problem of installation alignment of the landing leg of the slurry stirring station and the reserved foundation piece, has short construction period, and has the advantages of strong feasibility, green and environment protection and the like.
Description
Technical Field
The invention relates to the technical field of construction, in particular to an assembled slurry stirring station foundation and a construction method.
Background
The construction of the foundation of the traditional reinforced concrete slurry stirring station is greatly influenced by seasons and weather, and the foundation cannot be immediately put into use after the pouring construction is finished, so that the environment requirement is high and the working period is long; after the foundation reserved parts of the supporting legs such as the cement silo, the fly ash silo and the slurry stirring equipment are fixedly installed, the position cannot be moved, an enlarged steel plate is welded below the supporting legs when the installation deviation exists, the stability of the installation structure is poor, the supporting legs can be damaged to a certain extent when the enlarged steel plate is removed, and the structural bearing performance is reduced; the cast-in-place concrete structure is one-time investment, the demolishing is labor-consuming and can not be reused, and the environmental pollution is serious.
Disclosure of Invention
The invention aims to provide an assembled slurry mixing station foundation and a construction method, wherein the foundation adopts a recyclable assembled structure to replace a traditional reinforced concrete foundation, is convenient to install and disassemble, solves the problem of installation alignment of support legs of the slurry mixing station and reserved parts of the foundation, has short construction period and low production cost, and meets the green construction requirement.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an assembled slurry stirring station foundation comprises a supporting framework arranged on a cement surface of a foundation pit, a cover plate arranged on the supporting framework, a plurality of steel sand boxes arranged on the cover plate and a plurality of foundation reserved pieces arranged on the cover plate; the supporting framework comprises a plurality of upright posts vertically arranged on the cement surface of the foundation pit at intervals and a plurality of supporting cross beams arranged between two adjacent upright posts; the cover plate comprises an upper cover plate and one or more layers of lower cover plates which are arranged in parallel with the upper cover plate at intervals, a plurality of mounting holes matched with the stand columns are formed in the lower cover plate, and the top ends of the stand columns penetrate through the mounting holes to prop against the bottom of the upper cover plate; the upper cover plate and the lower cover plate are fixedly arranged on the supporting beam; the foundation reserved piece is adjustable to be installed on the upper cover plate top surface, and the landing leg of the slurry stirring station is fixedly connected to a plurality of landing leg connecting holes on the foundation reserved piece top surface.
Preferably, the upright is made of square steel pipes, and the supporting cross beam is made of square steel pipes or I-steel.
Preferably, the bottom surfaces of the upper cover plate and the lower cover plate are arranged on the supporting cross beam.
Preferably, the bottom of the foundation reserved piece is provided with a transverse oblong hole, the upper cover plate is provided with a longitudinal oblong hole, and the foundation reserved piece is fixedly arranged on the upper cover plate by a connecting bolt penetrating through the transverse oblong hole and the longitudinal oblong hole.
Preferably, the steel sand box is internally filled with steel sand, one or more layers of steel sand boxes are arranged between the lower cover plates and between the upper cover plate and the adjacent lower cover plate, and each layer of steel sand box is provided with a plurality of steel sand boxes.
Preferably, the top surface of the supporting cross beam fixedly arranged at the top end of the upright post is flush with the top surface of the upright post.
Preferably, the construction method of the assembled slurry stirring station foundation comprises the following steps:
step one, preparing a foundation pit: digging a foundation pit, leveling the bottom surface of the foundation pit, paving a cement surface of the foundation pit after leveling, and carrying out subsequent steps after the strength of the cement surface of the foundation pit reaches a design requirement value;
step two, building a bottom foundation: vertically arranging a plurality of upright posts at intervals on the cement surface of the foundation pit, and arranging one or more layers of steel sand boxes among the upright posts in an array manner; the bottom surface of the first layer of supporting beam is propped against the top surface of the placed steel sand box, the first layer of supporting beam is arranged on the upright post, and then the first layer of lower cover plate is arranged on the supporting beam;
step three, constructing a middle layer foundation: placing one or more layers of steel sand boxes on the lower cover plate and between the upright posts in an array manner, abutting the bottom surface of a second layer of supporting cross beams against the top surface of the placed steel sand boxes, installing the second layer of supporting cross beams on the upright posts, installing the second layer of lower cover plate on the supporting cross beams, and repeating the operation to build subsequent layers after completing the second layer of building;
step four, constructing a top layer foundation: after one or more layers of lower cover plates are built, the bottom surface of a top supporting beam is propped against the top surface of a placed steel sand box, the top supporting beam is arranged on an upright post, an upper cover plate is arranged on the supporting beam, and finally the foundation reserved piece is arranged on the upper cover plate;
step five, backfilling sand soil: and backfilling the foundation pit by using sand, wherein the backfilling sand is flush with the top surface of the upper cover plate.
Compared with the prior art, the invention has the advantages that the foundation of the assembled slurry stirring station is built by the supporting framework and the cover plate, the supporting framework is used for connecting and supporting the whole structure, the cover plate is used for bearing the load and providing the construction platform, the steel sand box with the inner filler being steel sand with the density higher than that of the concrete is selected as the counterweight, the installation and the disassembly are convenient, the construction period is short and the construction platform can be recycled; a plurality of basic reservation pieces are adjustably installed on the cover plate, errors of design positions and actual positions can be met, welding of an enlarged steel plate is not needed, the original structure of equipment is not damaged when the installation structure is stable and detached, and the device is high in practicability and environment-friendly.
Drawings
FIG. 1 is a schematic view of a portion of the structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
fig. 3 is a schematic diagram of the basic reservation of the present invention.
In the figure: 1. a support skeleton; 2. a cover plate; 3. a steel sand box; 4. a base reservation; 5. a foundation pit cement surface; 10. a column; 11. a support beam; 20. an upper cover plate; 21. a lower cover plate; 22. a mounting hole; 23. a longitudinal oblong hole; 40. a leg connection hole; 41. and a transverse oblong hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings, and in order to achieve the above purpose, the invention adopts the following technical scheme:
an assembled slurry mixing station foundation as shown in fig. 1, 2 and 3 comprises a supporting framework 1 arranged on the cement surface of a foundation pit, a cover plate 2 arranged on the supporting framework 1, a plurality of steel sand boxes 3 arranged on the cover plate 2 and a plurality of foundation reservation pieces 4 arranged on the cover plate 2.
The supporting framework 1 comprises a plurality of upright posts 10 vertically arranged on a foundation pit cement surface 5 at intervals and a plurality of supporting beams 11 arranged between two adjacent upright posts 10, the top surfaces of the supporting beams 11 fixedly arranged at the top ends of the upright posts 10 are flush with the top surfaces of the upright posts 10, the upright posts 10 are made of square steel pipes or I-shaped steel, the supporting beams 11 are made of square steel pipes or I-shaped steel, in the example, the foundation pit cement surface consists of a first rectangular area and a second rectangular area, the wide side of the first rectangular area coincides with the long side of the second rectangular area, the whole foundation pit cement surface is T-shaped, the whole structure of the built supporting framework 1 is also T-shaped, the first rectangular area is provided with 6 upright posts 10, the second rectangular area is provided with 12 upright posts 10, and the supporting beams 11 are made of I25a steel.
The cover plate 2 comprises an upper cover plate 20 and one or more layers of lower cover plates 21 which are arranged in parallel with the upper cover plate 20 at intervals, wherein a plurality of mounting holes 22 matched with the upright posts 10 are formed in the lower cover plate 21, and the top ends of the upright posts 10 penetrate through the mounting holes 22 to be propped against the bottom of the upper cover plate 20; the upper cover plate 20 and the lower cover plate 21 are fixedly mounted on the supporting beam 11, the bottom surfaces of the upper cover plate 20 and the lower cover plate 21 are arranged on the supporting beam 11, in a specific embodiment, the upper cover plate 20 and the lower cover plate 21 are formed by splicing a plurality of small steel cover plates, in order to ensure splicing strength, splicing seams are formed on the supporting beam 11, in this embodiment, the upper cover plate 20 and the lower cover plate 21 are matched with the supporting framework 1, and the upper cover plate 20 and the lower cover plate 21 are spliced by the small steel cover plates to form a T shape.
The foundation reservation piece 4 is adjustably mounted on the top surface of the upper cover plate 20, the supporting legs of the slurry stirring station are fixedly connected to a plurality of supporting leg connecting holes 40 on the top surface of the foundation reservation piece 4, in the example, the top surface of the foundation reservation piece 4 is provided with four supporting leg connecting holes 40, the bottom of the foundation reservation piece 4 is provided with a transverse oblong hole 41 and a longitudinal oblong hole 23, the upper cover plate 20 is provided with a longitudinal oblong hole 23, a connecting bolt penetrates through the transverse oblong hole 41 and the longitudinal oblong hole 23 to fixedly mount the foundation reservation piece 4 on the upper cover plate 20, in the example, the total number of the foundation reservation pieces 4 is 12, a first rectangular area is provided with 4 foundation reservation pieces 4, a second rectangular area is provided with 8 foundation reservation pieces 4, the supporting legs of the slurry stirring station can be connected with the foundation reservation piece 4 at a proper position according to drawings and site conditions during construction, and when deviation occurs at the position after the supporting legs of the slurry stirring station are mounted, the relative position of the transverse oblong hole 41 and the longitudinal oblong hole 23 is adjusted.
One or more layers of steel sand boxes 3 are arranged between the lower cover plates 21 and between the upper cover plate 20 and the adjacent lower cover plates 21, and each layer of steel sand boxes 3 is provided with a plurality of steel sand boxes 3.
The construction method of the assembled slurry stirring station foundation comprises the following steps:
step one, preparing a foundation pit: digging a foundation pit, leveling the bottom surface of the foundation pit by using a leveling instrument, paving a cement surface 5 of the foundation pit after leveling, and carrying out subsequent steps after the strength of the cement surface 5 of the foundation pit reaches a design requirement value;
step two, building a bottom foundation: a plurality of upright posts 10 are vertically arranged on a cement surface 5 of a foundation pit at intervals, a plurality of steel sand boxes 3 filled with steel sand in advance are arranged among the upright posts 10 in an array mode, and one or more layers of steel sand boxes 3 are arranged; the bottom surface of the first layer of supporting beams 11 is propped against the top surface of the placed steel sand box 3, the first layer of supporting beams 11 are fixedly connected to the upright posts 10, and then the first layer of lower cover plates 21 are fixedly connected to the supporting beams 11;
step three, constructing a middle layer foundation: one or more layers of steel sand boxes 3 are arranged on the lower cover plate 21 and among the upright posts 10 in an array mode, the bottom surface of a second layer of supporting cross beams 11 is propped against the top surface of the arranged steel sand boxes 3, the second layer of supporting cross beams 11 are fixedly connected to the upright posts 10, then the second layer of lower cover plate 21 is fixedly connected to the supporting cross beams 11, and after the second layer of foundation construction is completed, subsequent layer construction can be carried out through repeated operation;
step four, constructing a top layer foundation: after one or more layers of lower cover plates 21 are built, the bottom surface of a top layer supporting beam 11 is propped against the top surface of a placed steel sand box 3, the top layer supporting beam 11 is fixedly connected to a stand column 10, an upper cover plate 20 is fixedly arranged on the supporting beam 11, and finally a foundation reserved piece 4 is adjustably arranged on the upper cover plate 20 according to a design position;
step five, backfilling sand soil: and backfilling the foundation pit by using the sand excavated by the foundation pit, wherein the backfilling sand is level with the top surface of the upper cover plate 20, and the residual sand is recovered and transferred.
The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.
Claims (7)
1. An assembled thick liquid stirring station basis, its characterized in that: comprises a supporting framework (1) arranged on a foundation pit cement surface (5), a cover plate (2) arranged on the supporting framework (1), a plurality of steel sand boxes (3) arranged on the cover plate (2) and a plurality of foundation reserved pieces (4) arranged on the cover plate (2);
the supporting framework (1) comprises a plurality of upright posts (10) vertically arranged on the cement surface (5) of the foundation pit at intervals and a plurality of supporting cross beams (11) arranged between two adjacent upright posts (10);
the cover plate (2) comprises an upper cover plate (20) and one or more layers of lower cover plates (21) which are arranged in parallel with the upper cover plate (20) at intervals, a plurality of mounting holes (22) which are matched with the upright posts (10) are formed in the lower cover plates (21), and the top ends of the upright posts (10) penetrate through the mounting holes (22) to be propped against the bottom of the upper cover plate (20); the upper cover plate (20) and the lower cover plate (21) are fixedly arranged on the supporting beam (11);
the foundation reserved piece (4) is adjustably arranged on the top surface of the upper cover plate (20), and the supporting legs of the slurry stirring station are fixedly connected to a plurality of supporting leg connecting holes (40) on the top surface of the foundation reserved piece (4).
2. The fabricated slurry mixing station foundation of claim 1, wherein: the upright post (10) is made of square steel pipes, and the supporting cross beam (11) is made of square steel pipes or I-steel.
3. The fabricated slurry mixing station foundation of claim 1, wherein: the bottom surfaces of the upper cover plate (20) and the lower cover plate (21) are arranged on the supporting cross beam (11).
4. The fabricated slurry mixing station foundation of claim 1, wherein: the bottom surface of the foundation reserved piece (4) is provided with a transverse oblong hole (41) and a longitudinal oblong hole (23) is formed in the upper cover plate (20), and a connecting bolt penetrates through the transverse oblong hole (41) and the longitudinal oblong hole (23) to fix the foundation reserved piece (4) on the An Zaishang cover plate (20).
5. The fabricated slurry mixing station foundation of claim 1, wherein: the steel sand box is characterized in that the steel sand box (3) is internally filled with steel sand, one or more layers of steel sand boxes (3) are arranged between the lower cover plates (21) and between the upper cover plates (20) and the adjacent lower cover plates (21), and each layer of steel sand box (3) is provided with a plurality of steel sand boxes (3).
6. The fabricated slurry mixing station foundation of any one of claims 1 to 5, wherein: the top surface of the supporting cross beam (11) fixedly arranged at the top end of the upright post (10) is flush with the top surface of the upright post (10).
7. A construction method for applying the assembled slurry mixing station foundation according to any one of claims 1 to 6, characterized in that the construction method comprises the following steps:
step one, preparing a foundation pit: digging a foundation pit, leveling the bottom surface of the foundation pit, paving a cement surface (5) of the foundation pit after leveling, and carrying out subsequent steps after the strength of the cement surface (5) of the foundation pit reaches a design requirement value;
step two, building a bottom foundation: a plurality of upright posts (10) are vertically arranged on a foundation pit cement surface (5) at intervals, and one or more layers of steel sand boxes (3) are arranged among the upright posts (10) in an array manner; the bottom surface of a first layer of supporting beams (11) is propped against the top surface of a placed steel sand box (3), then the first layer of supporting beams (11) are arranged on the upright posts (10), and then a first layer of lower cover plates (21) are arranged on the supporting beams (11);
step three, constructing a middle layer foundation: one or more layers of steel sand boxes (3) are arranged on the lower cover plate (21) and among the upright posts (10) in an array mode, the bottom surface of a second layer of supporting beams (11) is propped against the top surface of the arranged steel sand boxes (3), then the second layer of supporting beams (11) are arranged on the upright posts (10), then the second layer of lower cover plate (21) is arranged on the supporting beams (11), and after the second layer of foundation construction is completed, the subsequent layer construction is carried out through repeated operation;
step four, constructing a top layer foundation: after one or more layers of lower cover plates (21) are built, the bottom surface of a top layer supporting beam (11) is propped against the top surface of a placed steel sand box (3), then the top layer supporting beam (11) is arranged on an upright post (10), then an upper cover plate (20) is arranged on the supporting beam (11), and finally the foundation reservation piece (4) An Zaishang cover plate (20);
step five, backfilling sand soil: and backfilling the foundation pit by using sand, wherein the backfilling sand is flush with the top surface of the upper cover plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915509.3A CN115404901B (en) | 2022-08-01 | 2022-08-01 | Assembled slurry stirring station foundation and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915509.3A CN115404901B (en) | 2022-08-01 | 2022-08-01 | Assembled slurry stirring station foundation and construction method |
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| Publication Number | Publication Date |
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| CN115404901A CN115404901A (en) | 2022-11-29 |
| CN115404901B true CN115404901B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210915509.3A Active CN115404901B (en) | 2022-08-01 | 2022-08-01 | Assembled slurry stirring station foundation and construction method |
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| CN101659088A (en) * | 2009-09-14 | 2010-03-03 | 三一重工股份有限公司 | Steel structure mixing station base and implementation method thereof |
| CN201671107U (en) * | 2010-05-11 | 2010-12-15 | 徐州九鼎建设集团有限公司 | Prestressed assembled box type precast concrete tower crane foundation |
| CN201809784U (en) * | 2010-10-11 | 2011-04-27 | 天津二十冶建设有限公司 | Large mixing plant foundation |
| CN201874005U (en) * | 2010-09-01 | 2011-06-22 | 黄爱社 | Dismountable steel beam and steel raft plate combined weight type foundation for tower crane |
| EP2578371A1 (en) * | 2011-10-06 | 2013-04-10 | Setten Genesio S.p.A. | Dismountable plant for concrete manufacture |
| CN207062977U (en) * | 2017-06-12 | 2018-03-02 | 中国能源建设集团黑龙江省电力设计院有限公司 | A kind of moveable assembly type Turbine Engine Foundation |
| CN109487812A (en) * | 2018-10-22 | 2019-03-19 | 四川电力设计咨询有限责任公司 | A kind of concrete assembled basic and its construction method of diagonal-bracing type |
| CN209384360U (en) * | 2018-12-13 | 2019-09-13 | 河北建设集团股份有限公司 | Reusable cement bin basis |
| CN211200460U (en) * | 2019-11-29 | 2020-08-07 | 河南聚誉帆工程技术咨询有限公司 | Assembled integral underground space foundation member |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6041485B2 (en) * | 2010-12-15 | 2016-12-07 | 株式会社丸高工業 | Installation base |
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2022
- 2022-08-01 CN CN202210915509.3A patent/CN115404901B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659088A (en) * | 2009-09-14 | 2010-03-03 | 三一重工股份有限公司 | Steel structure mixing station base and implementation method thereof |
| CN201671107U (en) * | 2010-05-11 | 2010-12-15 | 徐州九鼎建设集团有限公司 | Prestressed assembled box type precast concrete tower crane foundation |
| CN201874005U (en) * | 2010-09-01 | 2011-06-22 | 黄爱社 | Dismountable steel beam and steel raft plate combined weight type foundation for tower crane |
| CN201809784U (en) * | 2010-10-11 | 2011-04-27 | 天津二十冶建设有限公司 | Large mixing plant foundation |
| EP2578371A1 (en) * | 2011-10-06 | 2013-04-10 | Setten Genesio S.p.A. | Dismountable plant for concrete manufacture |
| CN207062977U (en) * | 2017-06-12 | 2018-03-02 | 中国能源建设集团黑龙江省电力设计院有限公司 | A kind of moveable assembly type Turbine Engine Foundation |
| CN109487812A (en) * | 2018-10-22 | 2019-03-19 | 四川电力设计咨询有限责任公司 | A kind of concrete assembled basic and its construction method of diagonal-bracing type |
| CN209384360U (en) * | 2018-12-13 | 2019-09-13 | 河北建设集团股份有限公司 | Reusable cement bin basis |
| CN211200460U (en) * | 2019-11-29 | 2020-08-07 | 河南聚誉帆工程技术咨询有限公司 | Assembled integral underground space foundation member |
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| CN115404901A (en) | 2022-11-29 |
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