CN107460886B - Light steel structure assembly and decoration integrated building foundation and construction method thereof - Google Patents
Light steel structure assembly and decoration integrated building foundation and construction method thereof Download PDFInfo
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- CN107460886B CN107460886B CN201710869667.9A CN201710869667A CN107460886B CN 107460886 B CN107460886 B CN 107460886B CN 201710869667 A CN201710869667 A CN 201710869667A CN 107460886 B CN107460886 B CN 107460886B
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- foundation pit
- ground beam
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- steel ground
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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
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Abstract
A foundation of a light steel structure assembly and decoration integrated building and a construction method thereof comprise that a spiral excavator is adopted to excavate a foundation pit, and a foundation pit retaining wall used for preventing the inner soil body and the outer soil body of the foundation pit from sliding off is arranged in the foundation pit; placing the profile steel ground beam on a profile steel ground beam positioner at the upper part of a foundation pit, adjusting the height and the flatness of the profile steel ground beam by using the profile steel ground beam positioner, and padding two cushion blocks at the lower part of each adjusted profile steel ground beam for supporting; inserting the lower part of the section steel column base into a foundation pit, and connecting the upper part of the section steel column base with a section steel ground beam on the upper part of the foundation pit by using a high-strength bolt; after the assembly acceptance of the section steel column foot and the section steel ground beam is qualified, pouring → vibrating → maintaining basic concrete; and after the maintenance of the foundation concrete is finished, removing the section steel ground beam positioner and the cushion block support, and finishing the foundation construction of the building. The invention has the advantages that: the earth volume is less, the workload of site construction can be greatly reduced, the construction period is shortened, and the labor cost is saved; it has little influence on the surrounding environment, and is economical and environment-friendly.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a light steel structure assembly and decoration integrated building foundation and a construction method thereof.
Background
The construction steps of the traditional independent foundation of the light steel structure building are as follows:
1. cleaning and leveling a land for building; 2. paying off according to a construction drawing, and determining a foundation position; 3. excavating a foundation pit: at present, a hook machine is generally adopted to excavate a foundation pit, when the foundation pit is excavated, besides the space occupied by the foundation, a proper operation space is also prepared for constructors, and in addition, because the hook machine is difficult to vertically excavate the foundation pit from top to bottom in a small plane range, the excavation amount of the foundation pit excavated according to the traditional mode is generally larger; 4. pouring foundation cushion layer concrete; 5. binding reinforcing steel bars and fixing the embedded column base anchor bolts; in the construction process, it is difficult to accurately position the embedded anchor bolt and keep the positioned anchor bolt not to move, and if the positioning error of the embedded anchor bolt is large, the installation of the upper component is very troublesome. 6. Supporting the template; 7. pouring foundation concrete, and curing the poured concrete; 8. removing the template; 9. and backfilling the foundation pit.
As an independent foundation, the volume of a foundation pit excavated in the traditional mode is much larger than the actual volume of the foundation, so that after the foundation is built, the foundation pit needs to be backfilled by soil, and the backfilled soil is tamped. In addition, due to the special environment of the construction site, the foundation pit backfill soil inevitably contains construction waste, which can cause adverse effects on the original ecological environment of the construction site.
As can be seen from the construction steps of the independent foundation, according to the traditional mode, the main problems of the independent foundation construction are as follows: the construction workload is large, the construction period is long, and large errors may exist in the positioning of the column base anchor bolt.
Disclosure of Invention
In order to solve the problems, the invention provides a foundation of a light steel structure assembly and decoration integrated building and a construction method thereof, wherein the foundation occupies a smaller construction site, has smaller influence on the surrounding environment, does not damage green plants at the periphery of the construction site, is economic and environment-friendly,
the purpose of the invention is realized by the following technical scheme:
the invention discloses a foundation of a light steel structure assembly and decoration integrated building, which is characterized in that: the concrete-embedded steel column foot is embedded into the concrete, the lower part of the steel column foot is embedded into the concrete in the foundation pit, and the upper part of the steel column foot is connected with a steel beam on the upper part of the foundation pit through a high-strength bolt assembly.
Furthermore, the steel column base is welded with steel column studs on four sides, and the steel bars are welded on the head of the steel column studs along the circumferential direction.
Further, the foundation pit retaining wall is a thin-plate cylindrical retaining wall made of a thin steel plate.
The invention discloses a foundation construction method of a light steel structure assembly and decoration integrated building, which comprises the following steps of:
1) Determining the number and the position of foundation pits according to a design drawing; a spiral excavator is adopted to excavate the foundation pit, the plane of the foundation pit is circular, and the volume of the excavated foundation pit is basically equal to that of the building foundation.
2) And a foundation pit retaining wall for preventing the inner soil body and the outer soil body of the foundation pit from sliding off is arranged in the foundation pit.
3) And placing the profile steel ground beam on a profile steel ground beam positioner at the upper part of the foundation pit, adjusting the height and the flatness of the profile steel ground beam by using the profile steel ground beam positioner, and stacking two cushion block supports at the lower part of each adjusted profile steel ground beam.
4) The lower part of the section steel column base is inserted into the foundation pit, and the upper part of the section steel column base is connected with the section steel ground beam on the upper part of the foundation pit by using the high-strength bolt.
5) And after the assembly acceptance of the section steel column foot and the section steel ground beam is qualified, pouring → vibrating → maintaining the foundation concrete.
6) And after the maintenance of the foundation concrete is finished, removing the section steel ground beam positioner and the cushion block support, and finishing the foundation construction of the building.
The invention has the advantages of
The excavation earth volume is less, the excavation of the foundation pit can be completed according to the diameter and the depth of the foundation pit when the foundation pit is excavated by adopting the spiral excavator, the foundation pit does not need to be backfilled, a column foot anchor bolt does not need to be pre-embedded, and a template does not need to be supported and removed, so that the workload of site construction can be greatly reduced, the construction period is shortened, and the labor cost is saved; it has little influence on the surrounding environment, and is economical and environment-friendly.
Drawings
Fig. 1 is a basic section schematic diagram of a light steel structure assembly and decoration integrated building.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1 and fig. 2, the light steel structure assembly and decoration integrated building foundation of the present invention is characterized in that: the foundation pit supporting structure comprises a foundation pit 1, a foundation pit protecting wall 7 arranged on the inner wall of the foundation pit 1, concrete 9 poured in the foundation pit 1 and a section steel column foot 2 embedded in the concrete 9, wherein the foundation pit protecting wall 7 is a thin-plate cylindrical protecting wall made of steel or other environment-friendly materials, the section steel column foot 2 is a section steel column foot with four sides welded with steel column studs 8, and a nail cap of each steel column stud 8 is welded with a steel bar 10 along the circumferential direction; the lower part of the section steel column base 2 is embedded in concrete 9 in the foundation pit, and the upper part of the section steel column base 2 is connected with a section steel ground beam 4 on the upper part of the foundation pit through a high-strength bolt assembly 3. The steel column stud 8 is welded on the four sides, and the formed steel column foot 2 of the reinforcing steel bar 10 is welded on the head of the steel column stud 8 along the annular direction, so that the firmness of the formed steel foundation column is effectively improved.
The steel column base 2 and the concrete 9 in the foundation pit can be firmly integrated by connecting the bolt caps of the steel column bolt 8 by using the steel bars 10 along the annular direction, thereby improving the firmness of the building foundation.
The invention discloses a foundation construction method of a light steel assembly and decoration integrated building, which comprises the following steps of:
1) Determining the number and the positions of the foundation pits according to a design drawing, excavating the foundation pit 1 by adopting a spiral excavator, and tamping and leveling the bottom of the foundation pit according to a design elevation;
2) A foundation pit retaining wall 7 for preventing soil bodies inside and outside the foundation pit from sliding down is arranged in the foundation pit 1;
3) Two section steel ground beam positioners 6 are arranged at the lower part of each section steel ground beam 4 and used for adjusting the height and the flatness of the section steel ground beams; after the profile steel ground beams are adjusted, two cushion block supports 5 are placed at the lower part of each profile steel ground beam 4;
4) Inserting the lower part of the section steel column base 2 into the foundation pit 1, and connecting the upper part of the section steel column base 2 with a section steel ground beam 4 on the upper part of the foundation pit by using a high-strength bolt;
5) In order to ensure that the section steel column bases 2 and the section steel ground beams 4 can be accurately positioned so as to facilitate smooth installation of members on the upper portion of a foundation, all the section steel column bases and the section steel ground beams of the whole building are assembled into a whole through high-strength bolts in the foundation construction process, and after the experience is collected, foundation concrete 9 is poured. And after the assembly acceptance of the section steel column foot and the section steel ground beam is qualified, pouring → vibrating → maintaining the foundation concrete 9.
6) And after the maintenance of the foundation concrete 9 is finished, removing the section steel ground beam positioner 6 and the cushion block support 5, and finishing the foundation construction of the building.
The invention adopts the spiral excavator to excavate the foundation pit, and has the advantages that the foundation pit can be vertically excavated from top to bottom, the volume of the foundation pit is basically equal to that of the foundation, so the excavation volume is smaller, the original ecological environment of a building site is favorably protected, time and labor can be saved, and the construction efficiency is improved.
Claims (1)
1. A foundation construction method of a light steel structure assembly and decoration integrated building comprises a foundation pit, a foundation pit retaining wall arranged on the inner wall of the foundation pit, concrete poured in the foundation pit, a section steel column foot embedded in the concrete, wherein the lower part of the section steel column foot is embedded in the concrete in the foundation pit, the upper part of the section steel column foot is connected with a section steel ground beam on the upper part of the foundation pit through a high-strength bolt, and two section steel ground beam positioners are arranged on the lower part of each section steel ground beam and used for adjusting the height and the flatness of the section steel ground beam; two cushion block supports are arranged at the lower part of each section steel ground beam; the steel column base is a section steel column base with steel column studs welded on four sides and reinforcing steel bars welded on the nut caps of the steel column studs in the circumferential direction; the method is characterized in that: the construction method comprises the following steps of,
1) Determining the number and the positions of the foundation pits according to a design drawing; excavating a foundation pit by adopting a spiral excavator, wherein the plane of the foundation pit is circular, and the volume of the excavated foundation pit is basically equal to that of the building foundation;
2) Arranging a foundation pit retaining wall for preventing the soil bodies inside and outside the foundation pit from sliding in the foundation pit;
3) The profile steel ground beam is arranged on a profile steel ground beam positioner at the upper part of the foundation pit, and the profile steel ground beam positioner is used for adjusting the profile steel ground beam
The height and the flatness are adjusted, and two cushion blocks are arranged on the lower part of each adjusted profile steel ground beam for supporting;
4) Inserting the lower part of the section steel column base into a foundation pit, and connecting the upper part of the section steel column base with a section steel ground beam on the upper part of the foundation pit by using a high-strength bolt;
5) After the assembly acceptance of the section steel column foot and the section steel ground beam is qualified, pouring → vibrating → maintaining of the foundation concrete;
6) And after the maintenance of the foundation concrete is finished, removing the section steel ground beam positioner and the cushion block support, and finishing the foundation construction of the building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710869667.9A CN107460886B (en) | 2017-09-23 | 2017-09-23 | Light steel structure assembly and decoration integrated building foundation and construction method thereof |
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| CN201710869667.9A CN107460886B (en) | 2017-09-23 | 2017-09-23 | Light steel structure assembly and decoration integrated building foundation and construction method thereof |
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| CN107460886A CN107460886A (en) | 2017-12-12 |
| CN107460886B true CN107460886B (en) | 2023-02-10 |
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| TWI682087B (en) * | 2018-09-14 | 2020-01-11 | 節能屋能源科技股份有限公司 | Accurate and rapid foundation construction method |
| CN109594576A (en) * | 2018-12-13 | 2019-04-09 | 仇国辉 | The simple assembly construction technology of multilayer assembled architecture isolated footing standardization |
| CN110984203B (en) * | 2019-11-18 | 2022-02-18 | 中国建筑材料科学研究总院有限公司 | Precast concrete foundation, ground beam, connecting structure and mounting method |
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| JP3519390B2 (en) * | 2001-12-14 | 2004-04-12 | 株式会社大本組 | Column base fixing device and column base fixing section using the same |
| CN101775813B (en) * | 2010-03-10 | 2011-08-31 | 江苏省电力设计院 | Composite foundation of power transmission line iron tower |
| CN103195076B (en) * | 2013-03-28 | 2016-03-09 | 中国建筑第八工程局有限公司 | Muddy Bottoms deep-excavation tower crane foundation construction method |
| CN104895324B (en) * | 2015-05-28 | 2018-04-27 | 中信国安建工集团有限公司 | A kind of construction method of the huge plug-in type suspension column structure of reinforced concrete composite structure |
| CN205153131U (en) * | 2015-10-14 | 2016-04-13 | 中铁五局集团路桥工程有限责任公司 | Shaped steel concrete combination column structure at overhead station of urban rail transit |
| CN205329703U (en) * | 2016-01-08 | 2016-06-22 | 东青铝业有限公司 | A foundation structure and full aluminium building frame structure for making perfect aluminium building |
| CN207244649U (en) * | 2017-09-23 | 2018-04-17 | 辽宁福瑞达建筑科技有限公司 | A kind of lightweight steel construction assembles the basis of decoration integrated building |
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