CN115404901A - Assembly type slurry mixing station foundation and construction method - Google Patents

Assembly type slurry mixing station foundation and construction method Download PDF

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Publication number
CN115404901A
CN115404901A CN202210915509.3A CN202210915509A CN115404901A CN 115404901 A CN115404901 A CN 115404901A CN 202210915509 A CN202210915509 A CN 202210915509A CN 115404901 A CN115404901 A CN 115404901A
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CN
China
Prior art keywords
cover plate
foundation
upper cover
supporting
steel sand
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Granted
Application number
CN202210915509.3A
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Chinese (zh)
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CN115404901B (en
Inventor
尹清锋
张烁语
陈星欣
韩维畴
杨智麟
宗旭
王斌
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China Construction Communications Engineering Group Co Ltd
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China Construction Communications Engineering Group Co Ltd
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Priority to CN202210915509.3A priority Critical patent/CN115404901B/en
Publication of CN115404901A publication Critical patent/CN115404901A/en
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Publication of CN115404901B publication Critical patent/CN115404901B/en
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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
    • 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
    • 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 thereof. This basis adopts the assembled structure of circulated use to replace traditional reinforced concrete basis, and installation, dismantlement are convenient and solved thick liquid stirring station landing leg and basic reservation piece installation alignment problem, and construction cycle is short, has advantages such as the feasibility is strong, green.

Description

Assembly type slurry mixing station foundation and construction method
Technical Field
The invention relates to the technical field of construction, in particular to an assembled slurry mixing station foundation and a construction method.
Background
The construction of the traditional reinforced concrete slurry mixing station foundation is greatly influenced by seasons and weather, and the traditional reinforced concrete slurry mixing station foundation cannot be put into use immediately after pouring construction is finished, so that the environmental requirement is high, and the operation period is long; the position of a foundation reserved part fixedly provided with the supporting legs such as a cement silo, a fly ash silo, a slurry stirring device and the like can not move after pouring, when the installation has deviation, an enlarged steel plate needs to be welded below the supporting legs, the installation structure has poor stability, 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 put into once, is difficult to dismantle, cannot be recycled and has serious environmental pollution.
Disclosure of Invention
The invention aims to provide an assembled slurry mixing station foundation and a construction method, 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 supporting legs of a slurry mixing station and reserved parts of the foundation, has short construction period and low production cost, and meets the requirement of green construction.
In order to realize the purpose, the invention adopts the following technical scheme:
an assembled slurry mixing 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 parts arranged on the cover plate; the supporting framework comprises a plurality of upright posts which are vertically arranged on the cement surface of the foundation pit at intervals and a plurality of supporting cross beams which are arranged between two adjacent upright posts; the cover plate comprises an upper cover plate and one or more layers of lower cover plates 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 and abut against the bottom of the upper cover plate; the upper cover plate and the lower cover plate are fixedly arranged on the supporting cross beam; the foundation reserved part is adjustably arranged on the top surface of the upper cover plate, and the supporting legs of the slurry mixing station are fixedly connected to the plurality of supporting leg connecting holes on the top surface of the foundation reserved part.
Preferably, the upright is made of a square steel pipe, and the supporting beam is made of a square steel pipe or an I-steel.
Preferably, the bottom surfaces of the upper cover plate and the lower cover plate are arranged on the supporting beam.
Preferably, a transverse long round hole is formed in the bottom of the foundation reserved part, a longitudinal long round hole is formed in the upper cover plate, and a connecting bolt penetrates through the transverse long round hole and the longitudinal long round hole to fixedly mount the foundation reserved part on the upper cover plate.
Preferably, the steel sand boxes are 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 lower cover plate adjacent to the upper 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 beam fixedly mounted at the top end of the upright is flush with the top surface of the upright.
Preferably, the construction method of the assembly type slurry mixing station foundation comprises the following steps:
step one, preparing a foundation pit: excavating a foundation pit, leveling the bottom surface of the foundation pit, paving a cement surface of the foundation pit after leveling, and performing subsequent steps after the strength of the cement surface of the foundation pit reaches a design required value;
step two, building a bottom foundation: vertically placing a plurality of stand columns on the cement surface of the foundation pit at intervals, and placing one or more layers of steel sand boxes among the stand columns in an array manner; the bottom surface of the first layer of supporting cross beam is abutted against the top surface of the placed steel sand box, then the first layer of supporting cross beam is arranged on the upright post, and then the first layer of lower cover plate is arranged on the supporting cross beam;
step three, building a middle layer foundation: placing one or more layers of steel sand boxes on the lower cover plate and between the stand columns in an array manner, abutting the bottom surfaces of the second layer of supporting beams against the top surfaces of the placed steel sand boxes, then installing the second layer of supporting beams on the stand columns, then installing the second layer of lower cover plate on the supporting beams, and repeating the operation to build the subsequent layer after the second layer is built;
step four, building a top foundation: after the one-layer or multi-layer lower cover plate is built, the bottom surface of the top layer supporting beam is abutted against the top surface of the placed steel sand box, then the top layer supporting beam is arranged on the stand column, then the upper cover plate is arranged on the supporting beam, and finally the foundation reserved part is arranged on the upper cover plate;
step five, sand backfilling: and backfilling the foundation pit by using sandy soil, wherein the height of the backfilled sandy soil is flush with the top surface of the upper cover plate.
Compared with the prior art, the assembly type slurry mixing station foundation is built by the support framework and the cover plate, the support framework is used for connecting and supporting the whole structure, the cover plate is used for bearing load and providing a construction platform, and the steel sand box with the inner filler being steel sand with density larger than that of concrete is used as a balance weight, so that the assembly type slurry mixing station foundation is convenient to install and disassemble, short in construction period and capable of being recycled; a plurality of basic reservation pieces are adjustably installed on the apron, can satisfy the error of design position and actual position, need not the welding and enlarge the steel sheet, and the original structure of equipment is not destroyed when mounting structure is stable and dismantles, and the practicality is strong and green.
Drawings
FIG. 1 is a schematic view of a portion of the structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic structural diagram of a basic reservation part of the invention.
In the figure: 1. a support framework; 2. a cover plate; 3. a steel flask; 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. mounting holes; 23. a longitudinal oblong hole; 40. a leg connecting hole; 41. a transverse oblong hole.
Detailed Description
The invention is further explained with reference to the attached drawings, and in order to achieve the purpose, the invention adopts the following technical scheme:
an assembly type 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 vertical columns 10 arranged on a foundation pit cement surface 5 at vertical intervals and a plurality of supporting beams 11 arranged between two adjacent vertical columns 10, the top surfaces of the supporting beams 11 fixedly arranged at the top ends of the vertical columns 10 are flush with the top surfaces of the vertical columns 10, the vertical columns 10 are made of square steel pipes, the supporting beams 11 are made of square steel pipes or I-shaped steel, in the embodiment, the foundation pit cement surface comprises a first rectangular area and a second rectangular area, the wide side of the first rectangular area is coincided with the long side of the second rectangular area, the foundation pit cement surface is integrally T-shaped, the overall structure of the built supporting framework 1 is also T-shaped, the first rectangular area is provided with 6 vertical columns 10, the second rectangular area is provided with 12 vertical columns 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 arranged in parallel with the upper cover plate 20 at intervals, a plurality of mounting holes 22 matched with the upright columns 10 are formed in the lower cover plates 21, and the top ends of the upright columns 10 penetrate through the mounting holes 22 and abut against the bottom of the upper cover plate 20; the upper cover plate 20 and the lower cover plate 21 are fixedly installed on the supporting beam 11, the bottom surfaces of the upper cover plate 20 and the lower cover plate 21 are both 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 guarantee the splicing strength, splicing seams are located on the supporting beam 11, in this example, 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 T-shaped by splicing a plurality of small steel cover plates.
The foundation reservation part 4 is adjustably mounted on the top surface of the upper cover plate 20, the supporting legs of the slurry mixing station are fixedly connected to a plurality of supporting leg connecting holes 40 on the top surface of the foundation reservation part 4, in the present example, the top surface of the foundation reservation part 4 is specifically provided with four supporting leg connecting holes 40, the bottom of the foundation reservation part 4 is provided with transverse long round holes 41, the upper cover plate 20 is provided with longitudinal long round holes 23, connecting bolts penetrate through the transverse long round holes 41 and the longitudinal long round holes 23 to fixedly mount the foundation reservation part 4 on the upper cover plate 20, in the present example, 12 foundation reservation parts 4 are provided, wherein 4 foundation reservation parts 4 are arranged in a first rectangular area, 8 foundation reservation parts 4 are arranged in a second rectangular area, the supporting legs of the slurry mixing station can be connected with the foundation reservation parts 4 in proper positions according to drawings and field conditions during construction, and when the positions of the supporting legs of the slurry mixing station are deviated, the relative positions of the transverse long round holes 41 and the longitudinal long round holes 23 can be adjusted.
The steel sand boxes 3 are 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 plate 20 and the adjacent lower cover plate 21, and each layer of steel sand box 3 is provided with a plurality of steel sand boxes 3.
A construction method of an assembly type slurry mixing station foundation comprises the following steps:
step one, preparing a foundation pit: excavating the foundation pit, leveling the bottom surface of the foundation pit by using a leveling instrument, laying a cement surface 5 of the foundation pit after leveling, and performing subsequent steps after the strength of the cement surface 5 of the foundation pit reaches a design required value;
step two, building a bottom foundation: a plurality of upright posts 10 are vertically arranged on the cement surface 5 of the foundation pit at intervals, a plurality of steel sand boxes 3 which are filled with steel sand in advance are arranged among the upright posts 10 in an array manner, and the steel sand boxes 3 are arranged in one layer or a plurality of layers; the bottom surface of the first-layer supporting beam 11 is abutted against the top surface of the placed steel sand box 3, then the first-layer supporting beam 11 is fixedly connected to the upright post 10, and then the first-layer lower cover plate 21 is fixedly connected to the supporting beam 11;
step three, building a middle layer foundation: one or more layers of the steel sand boxes 3 are placed on the lower cover plate 21 and between the upright posts 10 in an array manner, the bottom surfaces of the second layers of the supporting cross beams 11 are abutted to the top surfaces of the placed steel sand boxes 3, then the second layers of the supporting cross beams 11 are fixedly connected to the upright posts 10, then the second layers of the lower cover plates 21 are fixedly connected to the supporting cross beams 11, and after the second layers of foundations are built, the operation can be repeated to build the subsequent layers;
step four, building a top foundation: after the one-layer or multi-layer lower cover plate 21 is built, the bottom surface of the top supporting beam 11 is abutted against the top surface of the placed steel sand box 3, then the top supporting beam 11 is fixedly connected to the upright post 10, then the upper cover plate 20 is fixedly arranged on the supporting beam 11, and finally the foundation reserved part 4 is adjustably arranged on the upper cover plate 20 according to the designed position;
step five, sand backfilling: and backfilling the foundation pit by using sandy soil excavated from the foundation pit, wherein the height of the backfilled sandy soil is parallel to the top surface of the upper cover plate 20, and recovering and transferring the residual sandy soil.
The above embodiments are merely several illustrations of the concept and implementation of the present invention, and do not limit the present invention, and the technical solutions that are not substantially changed are still within the protection scope under the present invention.

Claims (7)

1. The utility model provides an assembled thick liquid stirring station basis which characterized in that: comprises a supporting framework (1) arranged on a cement surface (5) 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 reserved pieces (4) arranged on the cover plate (2);
the supporting framework (1) comprises a plurality of upright posts (10) which are vertically arranged on the cement surface (5) of the foundation pit at intervals and a plurality of supporting cross beams (11) which are 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) matched with the upright columns (10) are formed in the lower cover plates (21), and the top ends of the upright columns (10) penetrate through the mounting holes (22) and abut against the bottoms of the upper cover plate (20); the upper cover plate (20) and the lower cover plate (21) are fixedly arranged on the supporting cross beam (11);
the foundation reserved part (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 part (4).
2. The assembly slurry mixing station foundation of claim 1, wherein: the upright columns (10) are made of square steel pipes, and the supporting cross beams (11) are made of square steel pipes or I-shaped steel.
3. The assembly 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 assembly slurry mixing station foundation of claim 1, wherein: the bottom surface of the foundation reserved part (4) is provided with a transverse long circular hole (41), a longitudinal long circular hole (23) is formed in the upper cover plate (20), and a connecting bolt penetrates through the transverse long circular hole (41) and the longitudinal long circular hole (23) to fix the foundation reserved part (4) on the upper cover plate (20).
5. The assembly slurry mixing station foundation of claim 1, wherein: the steel sand boxes (3) are 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 plate (20) and the adjacent lower cover plate (21), and each layer of steel sand box (3) is provided with a plurality of steel sand boxes (3).
6. The assembly type slurry mixing station foundation of any one of claims 1-5, wherein: the top surface of the supporting 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 assembly type slurry mixing station foundation as claimed in any one of claims 1 to 6, characterized in that the construction method comprises the following steps:
step one, foundation pit preparation: excavating the foundation pit, leveling the bottom surface of the foundation pit, paving a cement surface (5) of the foundation pit after leveling, and performing subsequent steps after the strength of the cement surface (5) of the foundation pit reaches a design required 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, 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 the first layer of supporting cross beam (11) is abutted against the top surface of the placed steel sand box (3), then the first layer of supporting cross beam (11) is arranged on the upright post (10), and then the first layer of lower cover plate (21) is arranged on the supporting cross beam (11);
step three, building a middle layer foundation: one or more layers of steel sand boxes (3) are placed between the upper cover plate (21) and the vertical columns (10) in an array manner, the bottom surfaces of the second layers of supporting cross beams (11) are abutted to the top surfaces of the placed steel sand boxes (3), then the second layers of supporting cross beams (11) are arranged on the vertical columns (10), then the second layers of lower cover plates (21) are arranged on the supporting cross beams (11), and after the second layer of foundation is built, the operation is repeated to build the subsequent layers;
step four, building a top foundation: after one or more layers of lower cover plates (21) are built, the bottom surface of a top layer supporting beam (11) is abutted against the top surface of the placed steel sand box (3), then the top layer supporting beam (11) is arranged on the upright post (10), then an upper cover plate (20) is arranged on the supporting beam (11), and finally the foundation reserved part (4) is arranged on the upper cover plate (20);
step five, sand backfilling: and backfilling the foundation pit by using sandy soil, wherein the height of the backfilled sandy soil is flush with the top surface of the upper cover plate (20).
CN202210915509.3A 2022-08-01 2022-08-01 Assembled slurry stirring station foundation and construction method Active CN115404901B (en)

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CN115404901B CN115404901B (en) 2023-05-09

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Citations (10)

* Cited by examiner, † Cited by third party
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
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
US20130326992A1 (en) * 2010-12-15 2013-12-12 Marutaka-Kogyo Inc. Mounting base
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
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
US20130326992A1 (en) * 2010-12-15 2013-12-12 Marutaka-Kogyo Inc. Mounting base
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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