CN114457956A - Large-span special-shaped steel-concrete column and construction method thereof - Google Patents
Large-span special-shaped steel-concrete column and construction method thereof Download PDFInfo
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- CN114457956A CN114457956A CN202210032029.2A CN202210032029A CN114457956A CN 114457956 A CN114457956 A CN 114457956A CN 202210032029 A CN202210032029 A CN 202210032029A CN 114457956 A CN114457956 A CN 114457956A
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- 239000004567 concrete Substances 0.000 title claims abstract description 138
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 79
- 239000010959 steel Substances 0.000 claims abstract description 79
- 238000004873 anchoring Methods 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 206010066054 Dysmorphism Diseases 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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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
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a large-span special-shaped steel-concrete column, which comprises: a concrete foundation buried underground; the lower part of the Y-shaped steel column is vertically arranged on the concrete base, and the upper part of the Y-shaped steel column is provided with an outer side column and an inner side column which are relatively diverged; the concrete anchoring foundation is poured on the upper portion of the concrete base, and the lower portion of the Y-shaped steel column is embedded in the concrete anchoring foundation; and the concrete support column is poured on the upper part of the concrete anchoring foundation, and the inner side column is buried in the concrete support column. The invention has the beneficial effects that: the inner side columns of the Y-shaped steel columns and the concrete anchoring foundation are stressed integrally, so that the overturning moment of the roof truss can be resisted, and the stability and the safety of the roof truss during installation are ensured; the jig frame measure is avoided, the thickness of the base is reduced, the pouring workload is reduced, and the construction efficiency is improved; concrete is poured inside the Y-shaped steel column to guarantee the requirement of the eccentric load of the upper part, the anchoring depth required by the eccentric stress of the foundation is reduced, and the thickness of the foundation is reduced.
Description
Technical Field
The invention relates to the technical field of construction of non-standard inclined large-span steel-concrete structures in venues, in particular to a large-span special-shaped steel-concrete column and a construction method thereof.
Background
The large-space gymnasium buildings such as gymnasiums and the like have irregular areas such as sectors. The roof is designed as a planted roof or by photovoltaic panels, so that an inclined roof slab (truss) needs to be constructed. As shown in fig. 1, this kind of building only depends on the post at both ends to bear the load of the large-span roofing, if post and roofing adopt the all steel structure, the all steel pillar supports 1a slope roofing 2a, and one end height is higher, and the other end height is lower, can form great drop, and then the moment of overturning that lower one side steel column receives is great, and the risk is great during the installation, consequently needs the structure of large-span dysmorphism steel-concrete column.
Disclosure of Invention
In view of this, in order to solve the supporting problem of supporting the inclined roof, embodiments of the present invention provide a large-span special-shaped steel-concrete column and a construction method thereof.
The embodiment of the invention provides a large-span special-shaped steel-concrete column, which comprises:
a concrete base buried underground;
the lower part of the Y-shaped steel column is vertically arranged on the concrete base, and the upper part of the Y-shaped steel column is provided with an outer side column and an inner side column which are relatively diverged;
the concrete anchoring foundation is poured on the upper portion of the concrete base, and the lower portion of the Y-shaped steel column is embedded in the concrete anchoring foundation;
and the concrete support column is poured on the upper part of the concrete anchoring foundation, and the inner side column is buried in the concrete support column.
And further, the concrete block is poured in the Y-shaped steel column.
Further, the heights of the upper ends of the outer side columns and the upper ends of the concrete pillars are not equal.
Further, the upper end of the outer side column is higher than the upper end of the concrete pillar.
Further, the lateral column cross-sectional area is greater than the medial column cross-sectional area.
Furthermore, a plurality of embedded parts are embedded in the concrete base, and a mounting plate is arranged at the lower end of the Y-shaped steel column and connected with the embedded parts.
Furthermore, a column reinforcing bar is arranged in the concrete anchoring foundation and surrounds the lower part of the Y-shaped steel column.
Further, be equipped with the skeleton reinforcing bar in the concrete support, the skeleton reinforcing bar encircles the interior side post sets up.
Furthermore, a bar penetrating channel which is arranged in a penetrating mode is arranged on the lower portion of the outer side column and close to the inner side column, and the framework steel bars penetrate through the bar penetrating channel.
In addition, the embodiment of the invention also provides a construction method of the large-span special-shaped steel-concrete column, which comprises the following steps:
s1, excavating a foundation pit, pouring the foundation pit to form a concrete base, arranging an embedded part and a column reinforcing bar in the concrete base, and anchoring the lower end of the column reinforcing bar into the concrete base;
s2, hoisting a Y-shaped steel column, inserting the lower end of the Y-shaped steel column into the column reinforcing bar and connecting the Y-shaped steel column with each embedded part, and further installing the Y-shaped steel column at a preset position on the concrete base;
s3, arranging framework steel bars on the periphery of the inner side column of the Y-shaped steel column, and performing concrete pouring on the column reinforcing bars to form a concrete anchoring foundation so that the lower end of each framework steel bar is anchored into the concrete anchoring foundation;
and S4, performing concrete pouring on the framework steel bars to form concrete pillars, and performing concrete pouring inside the Y-shaped steel pillars to form concrete blocks.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: according to the large-span special-shaped steel-concrete column and the construction method thereof, the inner side column of the Y-shaped steel column and the concrete anchoring foundation are integrally stressed, so that the overturning moment of a roof truss can be resisted, and the stability and the safety of the roof truss during installation are ensured; the jig frame measure is avoided, the thickness of the base is reduced, the pouring workload is reduced, and the construction efficiency is improved; concrete is poured inside the Y-shaped steel column to guarantee the requirement of the eccentric load of the upper part, the anchoring depth required by the eccentric stress of the foundation is reduced, and the thickness of the foundation is reduced.
Drawings
FIG. 1 is a schematic illustration of a prior art all steel support column and sloping roof of an all steel construction;
FIG. 2 is a schematic view of a large span special-shaped steel-concrete column of the present invention;
FIG. 3 is a schematic view of the concrete foundation of FIG. 2;
fig. 4 is a schematic sectional view taken along line a-a in fig. 2.
In the figure: the concrete-based steel structure comprises 1 a-all-steel supporting columns, 2 a-inclined roofs, 1-Y-shaped steel columns, 2-outer side columns, 3-inner side columns, 4-concrete bases, 5-concrete anchoring bases, 6-concrete supporting columns, 7-base steel bars, 8-column reinforcing bars, 9-framework steel bars, 10-embedded parts, 11-mounting plates and 12-foundation cushion layers.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings. The following presents a simplified summary of the invention in order to provide a basic understanding of the invention and to provide a basic understanding of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 2, an embodiment of the present invention provides a long-span special-shaped steel-concrete column, which is applied to the roof support construction of buildings with large span and drop height, such as gymnasiums, and the long-span special-shaped steel-concrete column mainly includes a concrete base 4, a Y-shaped steel column 1, a concrete anchoring foundation 5, and a concrete support 6.
Next, as shown in fig. 3, the concrete foundation 4 is buried in the ground, and is specifically poured on the foundation mat 12 in the foundation pit. The depth of the foundation pit is approximately 500mm, and the upper part of the concrete base 4 is approximately flush with the ground surface. And a base steel bar 7 is arranged inside the concrete base 4. When the concrete base 4 is formed by pouring, a plurality of embedded parts 10 are embedded in the concrete base 4, and the embedded parts 10 are fastening connecting pieces such as embedded bolts.
The Y-shaped steel column 1 is of a hollow structure, and the lower portion of the Y-shaped steel column 1 is vertically installed on the concrete base 4. The lower end of the Y-shaped steel column 1 is provided with a mounting plate 11, the mounting plate 11 is seated on the concrete base 4 and is connected with each embedded part 10, and therefore the lower portion of the Y-shaped steel column 1 is mounted and positioned.
As shown in fig. 3 and 4, the concrete anchoring base 5 is poured on the upper portion of the concrete base 4, and the lower portion of the Y-shaped steel column 1 is embedded in the concrete anchoring base 5. In order to ensure the stable anchoring of the Y-shaped steel column 1, the thickness Hc of the concrete anchoring foundation 5 should meet the condition that H is more than or equal to 3Hc, and Hc is the maximum width dimension of the lower section of the Y-shaped steel column 1.
The concrete anchoring foundation 5 is internally provided with a column reinforcing bar 8, the column reinforcing bar 8 is arranged around the lower part of the Y-shaped steel column 1, the lower end of the column reinforcing bar 8 can be directly anchored in the concrete base 4 when the column reinforcing bar 8 is arranged, so that the steel bar insertion of the column reinforcing bar 8 is completed, and the better bonding anchoring effect between the column reinforcing bar 8 and the concrete anchoring foundation 5 is ensured.
As shown in fig. 2, the upper part of the Y-shaped steel column 1 is provided with an outer column 2 and an inner column 3 which are relatively diverged. The concrete support 6 is poured on the upper portion of the concrete anchoring foundation 5, and the inner side columns 3 are buried in the concrete support 6. The heights of the upper ends of the outer side columns 2 and the upper ends of the concrete support columns 6 are unequal, and the two points with different heights on the inclined roof are respectively supported. Here the upper end of the outer side column 2 is higher than the upper end of the concrete support column 6, the outer side column 2 supports the inclined roof a little higher and the concrete support column 6 supports the inclined roof a little lower. The concrete support 6 supports the roof, and is integrally stressed with the concrete anchoring foundation 5, so that the overturning moment of the roof truss can be resisted, and the stability and the safety of the roof truss during installation are ensured.
And be equipped with skeleton reinforcing bar 9 in the concrete support 6, skeleton reinforcing bar 9 encircles the setting of interior side post 3. The lower part of the outer side column 2 is close to the inner side column 3 and is provided with a bar penetrating channel which is arranged in a penetrating mode, and the framework steel bars 9 penetrate through the bar penetrating channel. Specifically, the steel bar penetrating channel is a pipeline or a through hole, and the lower end of the longitudinal steel bar of the framework steel bar 9 is embedded into the concrete base 4 and the concrete anchoring foundation 5.
In order to reduce the difference in the outer shape between the concrete column 6 and the outer column 2, the outer column 2 is provided with a cross-sectional area larger than that of the inner column 3, and after the concrete is poured into the inner column 3 to form the concrete column 6, the outer shape of the concrete column 6 is made to be approximately the same as the outer shape of the outer column 2.
As shown in fig. 1, the upper ports of the outer side columns 2 and the inner side columns 3 are casting ports for casting concrete into the Y-shaped steel columns 1 to form concrete blocks. The dead weight of the Y-shaped steel column 1 is increased through the concrete blocks, and meanwhile, the vertical bearing capacity is enhanced, so that the requirement of upper eccentric load is met, the anchoring depth required by eccentric stress of the foundation is reduced, and the thickness of the foundation is further reduced.
In addition, as shown in fig. 2, 3 and 4, an embodiment of the present invention further provides a construction method of the long-span special-shaped steel-concrete column, including the following steps:
s1, excavating a foundation pit, pouring the foundation pit to form a concrete base 4, arranging an embedded part 10 and a column reinforcing bar 8 in the concrete base 4, and anchoring the lower end of the column reinforcing bar 8 into the concrete base 4;
s2, hoisting the Y-shaped steel column 1, inserting the lower end of the Y-shaped steel column 1 into the column reinforcing bar 8 and connecting the Y-shaped steel column 1 with the embedded parts 10, and further installing the Y-shaped steel column 1 at a preset position on the concrete base 4;
s3, arranging skeleton steel bars 9 on the periphery of the inner side columns 3 of the Y-shaped steel columns 1, performing concrete pouring on the column reinforcing bars 8 to form a concrete anchoring foundation 5, and anchoring the lower ends of the skeleton steel bars 9 into the concrete anchoring foundation 5, where the lower ends of the skeleton steel bars 9 may be directly anchored into the concrete foundation 4 and the concrete anchoring foundation 5, respectively;
and S4, performing concrete pouring on the framework steel bars 9 to form concrete pillars 6, and performing concrete pouring inside the Y-shaped steel columns 1 to form concrete blocks.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that they are relative concepts that may be modified in various manners of use and placement and that the use of directional terms should not be taken to limit the scope of what is claimed.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a large-span dysmorphism steel reinforced concrete column which characterized in that includes:
a concrete base buried underground;
the lower part of the Y-shaped steel column is vertically arranged on the concrete base, and the upper part of the Y-shaped steel column is provided with an outer side column and an inner side column which are relatively diverged;
the concrete anchoring foundation is poured on the upper portion of the concrete base, and the lower portion of the Y-shaped steel column is embedded in the concrete anchoring foundation;
and the concrete support column is poured on the upper part of the concrete anchoring foundation, and the inner side column is buried in the concrete support column.
2. The large-span special-shaped steel-concrete column as claimed in claim 1, wherein: the steel column structure further comprises a concrete block poured in the Y-shaped steel column.
3. The large-span special-shaped steel-concrete column as claimed in claim 1, wherein: the heights of the upper ends of the outer side columns and the upper ends of the concrete pillars are not equal.
4. A large span special-shaped steel-concrete column as claimed in claim 3, wherein: the upper end of the outer side column is higher than the upper end of the concrete strut.
5. The large-span special-shaped steel-concrete column as claimed in claim 1, wherein: the cross-sectional area of the outer column is greater than the cross-sectional area of the inner column.
6. The large-span special-shaped steel-concrete column as claimed in claim 1, wherein: a plurality of embedded parts are embedded in the concrete base, mounting plates are arranged at the lower ends of the Y-shaped steel columns, and the mounting plates are connected with the embedded parts.
7. The large-span special-shaped steel-concrete column as claimed in claim 1, wherein: and column reinforcing bars are arranged in the concrete anchoring foundation and surround the lower part of the Y-shaped steel column.
8. The large-span special-shaped steel-concrete column as claimed in claim 1, wherein: be equipped with the skeleton reinforcing bar in the concrete support, the skeleton reinforcing bar encircles the interior side post sets up.
9. The large-span special-shaped steel-concrete column as claimed in claim 8, wherein: the lower portion of the outer side column is close to the inner side column and is provided with a bar penetrating channel which penetrates through the inner side column, and the framework steel bars penetrate through the bar penetrating channel.
10. A construction method of a large-span special-shaped steel-concrete column is characterized by comprising the following steps:
s1, excavating a foundation pit, pouring the foundation pit to form a concrete base, arranging an embedded part and a column reinforcing bar in the concrete base, and anchoring the lower end of the column reinforcing bar into the concrete base;
s2, hoisting a Y-shaped steel column, inserting the lower end of the Y-shaped steel column into the column reinforcing bar and connecting the Y-shaped steel column with each embedded part, and further installing the Y-shaped steel column at a preset position on the concrete base;
s3, arranging framework steel bars on the periphery of the inner side column of the Y-shaped steel column, and performing concrete pouring on the column reinforcing bars to form a concrete anchoring foundation so that the lower end of each framework steel bar is anchored into the concrete anchoring foundation;
and S4, performing concrete pouring on the framework steel bars to form concrete pillars, and performing concrete pouring inside the Y-shaped steel pillars to form concrete blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210032029.2A CN114457956A (en) | 2022-01-12 | 2022-01-12 | Large-span special-shaped steel-concrete column and construction method thereof |
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| CN202210032029.2A CN114457956A (en) | 2022-01-12 | 2022-01-12 | Large-span special-shaped steel-concrete column and construction method thereof |
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