CN111501815A - Tower crane foundation structure replacing anti-floating anchor rod and construction method - Google Patents
Tower crane foundation structure replacing anti-floating anchor rod and construction method Download PDFInfo
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- CN111501815A CN111501815A CN202010247986.8A CN202010247986A CN111501815A CN 111501815 A CN111501815 A CN 111501815A CN 202010247986 A CN202010247986 A CN 202010247986A CN 111501815 A CN111501815 A CN 111501815A
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- Prior art keywords
- tower crane
- foundation
- crane foundation
- anchor rod
- spliced pole
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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
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Foundations (AREA)
Abstract
The invention provides a tower crane foundation structure for replacing an anti-floating anchor rod and a construction method, wherein the tower crane foundation structure comprises: tower crane basis, soleplate, spliced pole and mattress layer, wherein: the tower crane foundation is positioned below the foundation base plate, and the mattress layer is filled in a gap between the foundation base plate and the tower crane foundation; pre-buried connecting reinforcement in the spliced pole, the hypomere of spliced pole is pre-buried in the tower crane foundation reaches in the mattress pad layer, the upper segment of spliced pole extends to in the soleplate, the quantity of spliced pole is a plurality of, and is a plurality of the spliced pole is square shape interval arrangement and defines the installation space who forms the pre-buried festival of tower crane. The invention cancels the installation of the anti-floating anchor rod in the range of the tower crane foundation and adopts the mode of connecting the connecting column with the foundation slab and the tower crane foundation to resist the water buoyancy of the anti-floating anchor rod in the range of the tower crane foundation, and ensures that the engineering anti-floating structure meets the design requirements, and has simple structure, good connection stability and good anti-floating effect.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a tower crane foundation structure for replacing an anti-floating anchor rod and a construction method.
Background
Please refer to fig. 1, for the project with groundwater at present, generally set up anti-floating anchor rod 2 in tower crane foundation 1 within range in order to eliminate the influence of groundwater buoyancy to the basis, and often the tower crane of most of projects all installs in 3 within ranges of foundation slab because the place is narrow and small, construct anti-floating anchor rod 2 before tower crane foundation 1 construction usually earlier, because conflict between the pre-buried festival of tower crane in tower crane foundation 1 within range and anti-floating anchor rod 2, lead to can destroying anti-floating anchor rod structure when carrying out the pre-buried festival construction of tower crane, consequently not only cause the difficulty for the construction, also influence the effect of anti-floating anchor rod in the tower crane foundation range, because different regional underground anti-floating water level elevation sets up all differently, pure tower crane foundation can not resist the water buoyancy of anti-floating anchor rod in the foundation.
Disclosure of Invention
In view of the above situation, the invention provides a tower crane foundation structure for replacing an anti-floating anchor rod and a construction method thereof, and solves the technical problems that in the existing tower crane foundation construction, a tower crane embedded joint conflicts with the anti-floating anchor rod in the range of a tower crane foundation, and the structure of the anti-floating anchor rod is influenced.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a replace tower crane foundation structure of anti-floating anchor rod, includes: tower crane basis, soleplate, spliced pole and mattress layer, wherein:
the tower crane foundation is positioned below the foundation base plate, and the mattress layer is filled in a gap between the foundation base plate and the tower crane foundation;
pre-buried connecting reinforcement in the spliced pole, the hypomere of spliced pole is pre-buried in the tower crane foundation reaches in the mattress pad layer, the upper segment of spliced pole extends to in the soleplate, the quantity of spliced pole is a plurality of, and is a plurality of the spliced pole is square shape interval arrangement and defines the installation space who forms the pre-buried festival of tower crane.
In the embodiment of the invention, the connecting column is a concrete column.
In the embodiment of the invention, the two ends of the connecting column are respectively anchored into the tower crane foundation and the foundation slab, and the length of the connecting column is 800 mm.
In the embodiment of the invention, the thickness of the mattress layer is 300 mm.
In the embodiment of the invention, the mattress layer is graded sand.
The invention also provides a construction method of the tower crane foundation for replacing the anti-floating anchor rod, which comprises the following steps:
constructing an anti-floating anchor rod outside the range of the tower crane foundation;
binding tower crane foundation steel bars and binding the connecting steel bars at the reserved connecting column positions in the range of the tower crane foundation;
pouring a tower crane foundation, and pouring the lower section of the connecting column at the reserved connecting column position;
after the construction of the tower crane foundation is finished, paving the mattress layer on the tower crane foundation;
and after the mattress layer is paved, pouring the foundation slab and the upper section of the connecting column on the mattress layer.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the invention cancels the installation of the anti-floating anchor rod in the range of the tower crane foundation and adopts the mode of connecting the connecting column with the foundation slab and the tower crane foundation to resist the water buoyancy of the anti-floating anchor rod in the range of the tower crane foundation, and ensures that the engineering anti-floating structure meets the design requirements, and has simple structure, good connection stability and good anti-floating effect.
Drawings
Fig. 1 is a schematic layout diagram of anti-floating anchor rods at the position of a tower crane foundation in the prior art.
FIG. 2 is a schematic layout view of the tower crane foundation position without anti-floating anchor rods.
FIG. 3 is a schematic plan view of the arrangement of the connecting columns of the present invention within the tower crane foundation.
FIG. 4 is a cross-sectional view of the invention taken along line 1-1 of FIG. 3.
The correspondence of reference numerals to components is as follows:
the prior art is as follows:
a tower crane foundation 1; an anti-floating anchor rod 2; a foundation sole plate 3;
the invention comprises the following steps:
a tower crane foundation 4; a foundation sole plate 5; a connecting column 6; a mattress layer 7; anti-floating anchor 8.
Detailed Description
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Construction to tower crane foundation within range anti-floating anchor rod among the prior art usually can conflict with the pre-buried installation space of festival of tower crane, need destroy the installation of anti-floating anchor rod in the tower crane foundation within range in order to guarantee the pre-buried festival of tower crane, make the pre-buried construction of festival of tower crane receive the influence, the destruction of anti-floating anchor rod makes can't satisfy the construction requirement by the buoyancy influence of groundwater at the tower crane foundation simultaneously, influence the construction quality on tower crane foundation, consequently, it is necessary to provide one kind and can replace the tower crane foundation structure of anti-floating anchor rod in the tower crane foundation within range, make the anti-floating structure of tower crane foundation within range and the pre-buried construction of festival of tower crane relatively independent, each other does not influence, and can improve the joint strength between tower crane foundation and the foundation.
Referring to fig. 2, 3 and 4, the present invention provides a tower crane foundation structure for replacing an anti-floating anchor rod, including: the tower crane foundation comprises a tower crane foundation 4, a foundation base plate 5, a connecting column 6 and a mattress layer 7, wherein the tower crane foundation 4 is positioned below the foundation base plate 5, and the mattress layer 7 is filled in a gap between the foundation base plate 5 and the tower crane foundation 4; pre-buried connecting reinforcement 61 in spliced pole 6, the lower section of spliced pole 6 is pre-buried in tower crane foundation 4 and mattress bed layer 7, and the upper segment of spliced pole 6 extends to in the soleplate 5, and the quantity of spliced pole 6 is a plurality of, and a plurality of spliced poles 6 are the shape of a Chinese character kou interval arrangement and define the installation space who forms the pre-buried festival of tower crane.
In the embodiment of the invention, the connecting columns 6 are concrete columns, the two ends of each connecting column 6 are respectively anchored into the tower crane foundation 4 and the foundation slab 5 to be 800mm in length, the section size of each connecting column 6 is 400mm × 400mm, each connecting column 6 is further provided with 8 pieces of HRB 400-grade steel bars with the diameter of 25mm, the length of each connecting steel bar 61 anchored into the foundation slab 5 and the tower crane foundation 4 is 32 times of the steel bar diameter of 800mm, the grade of each concrete column is the same as that of the foundation slab, the arrangement of the connecting steel bars 61 is beneficial to improving the concrete bond stress of the connecting columns 6, the connection strength of the connecting columns 6 and the anti-floating capacity of the tower crane foundation 4.
In the embodiment of the invention, the distance between adjacent connecting columns 6 is 3250mm, the distance between each connecting column 6 and the edge of the tower crane foundation 4 is 1000mm, the range of the tower crane foundation 4 is 8500mm × 8500mm, the distance between adjacent anti-floating anchor rods 8 is 1800mm, the distances between the front edge, the rear edge, the left edge and the right edge of the tower crane foundation 4 in the picture 2 and the distances between the adjacent anti-floating anchor rods 8 are 850mm, 1450mm, 1150mm and 1150mm, the preset distance between each edge of the connecting column 6 and the tower crane foundation 4 can ensure that the connecting column 6 is prevented from being too close to the edge of the tower crane foundation 4, the structure of the connecting column 6 is easily damaged when the connecting column 6 is influenced by external force, the installation space of pre-buried sections of the tower crane can be reserved due to the square arrangement of the connecting columns 6, the condition that the pre-buried sections of the tower crane collide with the anti-floating anchor rods in the range of the tower crane.
In the embodiment of the invention, the thickness of the mattress layer 7 is 300mm, and the mattress layer 7 is graded sandstone; the mattress layer 7 can reduce the mutual destruction between tower crane foundation 4 and soleplate 5, plays the effect of buffering.
The invention also provides a construction method of the tower crane foundation for replacing the anti-floating anchor rod, which comprises the following steps:
as shown in fig. 2, constructing an anti-floating anchor rod 8 outside the range of the tower crane foundation 4;
binding tower crane foundation steel bars (not shown) and binding connecting steel bars 61 at the reserved connecting column 6 position in the range of the tower crane foundation;
pouring a tower crane foundation 4, and pouring the lower section of the connecting column 6 at the position of the reserved connecting column 6;
after the tower crane foundation 4 is constructed, a mattress layer 7 is laid on the tower crane foundation 4;
after the mattress layer 7 is laid, the upper sections of the foundation slab 5 and the connecting column 6 are formed by pouring on the mattress layer 7.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (6)
1. The utility model provides a replace tower crane foundation structure of anti-floating anchor rod which characterized in that includes: tower crane basis, soleplate, spliced pole and mattress layer, wherein:
the tower crane foundation is positioned below the foundation base plate, and the mattress layer is filled in a gap between the foundation base plate and the tower crane foundation;
pre-buried connecting reinforcement in the spliced pole, the hypomere of spliced pole is pre-buried in the tower crane foundation reaches in the mattress pad layer, the upper segment of spliced pole extends to in the soleplate, the quantity of spliced pole is a plurality of, and is a plurality of the spliced pole is square shape interval arrangement and defines the installation space who forms the pre-buried festival of tower crane.
2. The tower crane foundation structure replacing the anti-floating anchor rod as claimed in claim 1, wherein the connecting column is a concrete column.
3. The tower crane foundation structure replacing the anti-floating anchor rod as claimed in claim 1, wherein the length of the two ends of the connecting column anchored into the tower crane foundation and the foundation slab is 800 mm.
4. The tower crane substructure replacing the anti-floating anchor rod of claim 1, wherein the thickness of the mattress layer is 300 mm.
5. The tower crane substructure replacing the anti-floating anchor rod of claim 1, wherein the mattress layer is graded sand.
6. The construction method of the tower crane foundation replacing the anti-floating anchor rod according to any one of claims 1 to 5, characterized by comprising the following steps:
constructing an anti-floating anchor rod outside the range of the tower crane foundation;
binding tower crane foundation steel bars and binding the connecting steel bars at the reserved connecting column positions in the range of the tower crane foundation;
pouring a tower crane foundation, and pouring the lower section of the connecting column at the reserved connecting column position;
after the construction of the tower crane foundation is finished, paving the mattress layer on the tower crane foundation;
and after the mattress layer is paved, pouring the foundation slab and the upper section of the connecting column on the mattress layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247986.8A CN111501815A (en) | 2020-04-01 | 2020-04-01 | Tower crane foundation structure replacing anti-floating anchor rod and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010247986.8A CN111501815A (en) | 2020-04-01 | 2020-04-01 | Tower crane foundation structure replacing anti-floating anchor rod and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111501815A true CN111501815A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010247986.8A Pending CN111501815A (en) | 2020-04-01 | 2020-04-01 | Tower crane foundation structure replacing anti-floating anchor rod and construction method |
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| CN (1) | CN111501815A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248428A (en) * | 2004-03-01 | 2005-09-15 | Taisei Corp | Foundation structure for construction |
| CN204326119U (en) * | 2014-12-05 | 2015-05-13 | 中大建设有限公司 | A kind of pile-raft foundation float Structure |
| CN105002923A (en) * | 2015-08-03 | 2015-10-28 | 上海建工五建集团有限公司 | Embedded tower crane foundation and construction mode thereof |
| WO2018006185A1 (en) * | 2016-07-05 | 2018-01-11 | 章致一 | Device for controlling excess pore water pressure in rock and soil layer |
| CN110820793A (en) * | 2019-11-15 | 2020-02-21 | 山东建筑大学 | Composite foundation for collapsible loess area and construction method |
-
2020
- 2020-04-01 CN CN202010247986.8A patent/CN111501815A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248428A (en) * | 2004-03-01 | 2005-09-15 | Taisei Corp | Foundation structure for construction |
| CN204326119U (en) * | 2014-12-05 | 2015-05-13 | 中大建设有限公司 | A kind of pile-raft foundation float Structure |
| CN105002923A (en) * | 2015-08-03 | 2015-10-28 | 上海建工五建集团有限公司 | Embedded tower crane foundation and construction mode thereof |
| WO2018006185A1 (en) * | 2016-07-05 | 2018-01-11 | 章致一 | Device for controlling excess pore water pressure in rock and soil layer |
| CN110820793A (en) * | 2019-11-15 | 2020-02-21 | 山东建筑大学 | Composite foundation for collapsible loess area and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 申利成，杨霞，王自伟，吴小婉: "奥林匹克公园 B27-2项目塔式起重机基础替代抗浮锚杆设计及施工技术", 《建筑技术》 * |
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Application publication date: 20200807 |