CN112252478A - Take Y shape center pillar to be applicable to dual prestressed pipe truss structure of super large span - Google Patents
Take Y shape center pillar to be applicable to dual prestressed pipe truss structure of super large span Download PDFInfo
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- CN112252478A CN112252478A CN202011282576.3A CN202011282576A CN112252478A CN 112252478 A CN112252478 A CN 112252478A CN 202011282576 A CN202011282576 A CN 202011282576A CN 112252478 A CN112252478 A CN 112252478A
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- center pillar
- truss
- large span
- prestressed pipe
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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
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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
- E04B1/32—Arched structures; Vaulted structures; Folded structures
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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
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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
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B2001/3229—Arched structures; Vaulted structures; Folded structures constructed using a boom
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Abstract
The invention discloses a double-prestressed pipe truss structure with a Y-shaped center pillar and suitable for ultra-large span, and relates to the technical field of large-span space structures. This take Y shape center pillar to be applicable to the dual prestressed pipe truss structure of super large span, including center pillar, main truss, cable, vaulting pole and support, the center pillar is the Y type, the main truss is connected on the top of center pillar. The prestressed truss with the Y-shaped center pillar and applicable to the ultra-large span double-prestressed pipe truss structure can adapt to large span, is reasonable in stress and is economical and economical; the pre-tensioning stay cable effectively reduces the counter force of the support; compared with an m-shaped section, the snow-accumulated; the occupation of a construction site is reduced, and the influence on the field production operation during construction is reduced; the profiles of the truss and the center pillar adopt a quadrilateral and inverted triangular transition form according to the size of the section bending moment, so that the pipe diameter can be effectively reduced, and the method is economical and reasonable.
Description
Technical Field
The invention relates to the technical field of large-span space structures, in particular to a double-prestressed pipe truss structure with a Y-shaped center pillar and suitable for super large span.
Background
With the increase of the national environmental protection requirement, all open-air storage yards and coal yards require closed environmental protection treatment, and the structure suitable for large-span storage yards is urgent in order not to influence field operation.
At present, a common structural system closed with a stock ground is a bolt ball grid structure, but the bolt ball grid structure is only suitable for medium and small spans (about 90 m), when the span exceeds 120m, the steel consumption is increased steeply, the construction error is increased, and the construction safety and quality cannot be ensured.
Therefore, the applicant inherits the experience of abundant design development and actual manufacturing in the related industry for many years, researches and improves the existing structure and deficiency, and provides a double-prestressed pipe truss structure with a Y-shaped center pillar and suitable for ultra-large span so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a double-prestressed pipe truss structure with a Y-shaped center pillar and suitable for ultra-large span, and solves the problem that the existing common structure system closed with a stock ground is a bolt ball grid structure, but is only suitable for small and medium span.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a take Y shape center pillar to be applicable to dual prestressed pipe truss structure of super large span, includes center pillar, main truss, cable, vaulting pole and support, the center pillar is the Y type, the main truss is connected on the top of center pillar, the symmetry axis coincidence of the symmetry axis of main truss and center pillar, all be provided with the cable about the main truss bottom, be connected with the vaulting pole between cable and the main truss bottom, both ends all are connected with ground through the support about the main truss, the bottom of center pillar is passed through the support and is connected with ground.
Preferably, the middle column is a truss column, and the support is an anti-seismic spherical hinge support.
Preferably, the central column is a truss column or a reinforced concrete column.
Preferably, the vertical column of the central column is a truss column or a reinforced concrete column, and the two side supports of the central column are trusses or other solid web supports.
Preferably, the inhaul cable is a single cable or a multiple cable.
Preferably, the section of the main truss is in one or more transition forms of inverted triangle, rectangle and trapezoid.
Preferably, the section of the center pillar is in a transition form of one or more of an inverted triangle, a quadrangle and a trapezoid.
Preferably, the cross section of the center pillar comprises at least two of a triangle, a trapezoid and a triangle, and the two different cross sections are in transition combination.
Preferably, the cross section of the main truss at least comprises two of a triangle, a trapezoid and a triangle, and the two different cross sections are in transition combination.
Preferably, the stay bar is a single stay bar or a V-shaped combined double stay bar.
(III) advantageous effects
The invention provides a double-prestressed pipe truss structure with a Y-shaped center pillar and suitable for ultra-large span. Compared with the prior art, the method has the following beneficial effects:
the prestressed truss with the Y-shaped center pillar and applicable to the ultra-large span double-prestressed pipe truss structure can adapt to large span, is reasonable in stress and is economical and economical; the pre-tensioning stay cable effectively reduces the counter force of the support; compared with an m-shaped section, the snow-accumulated; the occupation of a construction site is reduced, and the influence on the field production operation during construction is reduced; the profiles of the truss and the center pillar adopt a quadrilateral and inverted triangular transition form according to the size of the section bending moment, so that the pipe diameter can be effectively reduced, and the method is economical and reasonable.
Drawings
FIG. 1 is a schematic diagram of a double prestressed pipe truss structure system with Y-shaped center pillars;
FIG. 2 is a schematic view of a rectangular cross section of a main truss/Y-pillar;
FIG. 3 is a schematic cross-sectional view of an inverted triangle of the main truss/Y-pillar;
FIG. 4 is a schematic cross-sectional view of a main truss/Y-pillar trapezoid;
FIG. 5 is a schematic view of a single strut;
FIG. 6 is a schematic view of a V-shaped dual strut;
wherein, 1, a middle column; 2. a main truss; 3. a cable; 4. a stay bar; 5. and (4) a support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the section of the main truss 2 is one of inverted triangle, rectangle and trapezoid
The utility model provides a take Y shape center pillar to be applicable to two prestressed pipe truss structures of super large span, including center pillar 1, main truss 2, the cable 3, vaulting pole 4 and support 5, center pillar 1 is the Y type, main truss 2 is connected on the top of center pillar 1, all be provided with cable 3 about 2 bottoms of main truss, be connected with vaulting pole 4 between cable 3 and the 2 bottoms of main truss, both ends are all connected with ground through support 5 about main truss 2, the bottom of center pillar 1 is passed through support 5 and is connected with ground, center pillar 1 is truss column or reinforced concrete post, support 5 is the ball pivot support of combatting earthquake, cable 3's quantity is many, the section of main truss 2 is inverted triangle, the rectangle, one kind in the trapezium, vaulting pole 4 is single vaulting pole or the two vaulting poles of V-arrangement.
Example 2: the section of the main truss 2 at least comprises two of triangle, trapezoid and triangle, and the two different sections are in transition combination
The utility model provides a take Y shape center pillar to be applicable to two prestressed pipe truss structures of super large span, including center pillar 1, main truss 2, the cable 3, vaulting pole 4 and support 5, center pillar 1 is the Y type, main truss 2 is connected on the top of center pillar 1, the symmetry axis of main truss 2 and the coincidence of the symmetry axis of center pillar 1, all be provided with cable 3 about 2 bottoms of main truss, be connected with vaulting pole 4 between cable 3 and 2 bottoms of main truss, both ends are all connected with ground through support 5 about main truss 2, support 5 and ground connection are passed through to the bottom of center pillar 1, the perpendicular post of center pillar 1 is truss column or reinforced concrete column, two side direction props of center pillar 1 are the truss, the quantity of cable 3 is many, the section of main truss 2 includes triangle-shaped at least, trapezoidally, two kinds among the triangle-shaped, the combination of passing through between two kinds of different sections, vaulting pole 4 is.
Example 3: the section of the center pillar 1 is one of an inverted triangle, a quadrangle and a trapezoid
The utility model provides a take Y shape center pillar to be applicable to two prestressed pipe truss structures of super large span, including center pillar 1, main truss 2, the cable 3, vaulting pole 4 and support 5, center pillar 1 is the Y type, main truss 2 is connected on the top of center pillar 1, all be provided with cable 3 about 2 bottoms of main truss, be connected with vaulting pole 4 between cable 3 and the 2 bottoms of main truss, both ends all are connected with ground through support 5 about main truss 2, the bottom of center pillar 1 is connected with ground through support 5, the perpendicular post of center pillar 1 is truss column or reinforced concrete column, two side direction props of center pillar 1 are the truss, the quantity of cable 3 is many, the section of center pillar 1 is one of inverted triangle, quadrangle, trapezoidal, vaulting pole 4 is single vaulting pole or V-shaped combination double-pole.
Example 4: the section of the center pillar 1 at least comprises two of triangle, trapezoid and triangle, and the two different sections are in transition combination
The utility model provides a take Y shape center pillar to be applicable to two prestressed pipe truss structures of super large span, including center pillar 1, main truss 2, the cable 3, vaulting pole 4 and support 5, center pillar 1 is the Y type, main truss 2 is connected on the top of center pillar 1, all be provided with cable 3 about 2 bottoms of main truss, be connected with vaulting pole 4 between cable 3 and the 2 bottoms of main truss, both ends all are connected with ground through support 5 about main truss 2, the bottom of center pillar 1 is connected with ground through support 5, the vertical post of center pillar 1 is truss column or reinforced concrete column, two side direction props of center pillar 1 are the truss, the quantity of cable 3 is many, the section of center pillar 1 includes triangle-shaped at least, trapezoidal, two kinds in the triangle-shaped, the transition combination between two kinds of different sections, vaulting pole 4 is single stay or V-shaped combination double-pole.
When the embodiment is adopted, the bottom support 5 is connected with the finished product anti-seismic hinged support by adopting the ribbed hemisphere, and the height of the middle column 1 can be properly adjusted according to the stacking condition of a construction site so as to avoid corroding the steel truss; the bottoms of the two sides of the main truss 2 can not be contracted into a point, and the thickness of the main truss can be properly changed along the span direction, so that the requirements of stress and convenience in construction and blanking are met; two main trusses 2 can be connected by a connecting truss, and the connecting truss is also used for enhancing the lateral stability when the central column 1 is too high.
In conclusion, the prestressed truss with the Y-shaped center pillar and applicable to the ultra-large span double-prestressed pipe truss structure can adapt to large span, is reasonable in stress and is economical and economical; the pre-tensioning stay cable effectively reduces the counter force of the support; compared with an m-shaped section, the snow-accumulated; the occupation of a construction site is reduced, and the influence on the field production operation during construction is reduced; the profiles of the truss and the center pillar adopt a quadrilateral and inverted triangular transition form according to the size of the section bending moment, so that the pipe diameter can be effectively reduced, and the method is economical and reasonable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a take Y shape center pillar to be applicable to dual prestressed pipe truss structure of super large span, includes center pillar (1), main truss (2), cable (3), vaulting pole (4) and support (5), its characterized in that: the utility model discloses a well head, including center pillar (1), main truss (2), stay cable (3), bracing piece (4) are connected between cable (3) and main truss (2), both ends all are connected with ground through support (5) about main truss (2), the bottom of center pillar (1) is passed through support (5) and is connected with ground.
2. The double-prestressed pipe truss structure with the Y-shaped center pillar suitable for the ultra-large span as claimed in claim 1, wherein: the middle column (1) is a truss column, and the support (5) can be an anti-seismic spherical hinge support.
3. The double-prestressed pipe truss structure with the Y-shaped center pillar suitable for the ultra-large span as claimed in claim 1, wherein: the middle column (1) is a truss column.
4. The double-prestressed pipe truss structure with the Y-shaped center pillar suitable for the ultra-large span as claimed in claim 1, wherein: the vertical column of the middle column (1) is a truss column, and two lateral sides of the middle column (1) are trusses.
5. The double-prestressed pipe truss structure with the Y-shaped center pillar suitable for the ultra-large span as claimed in claim 1, wherein: the inhaul cable (3) is a single cable.
6. The double prestressed pipe truss structure with the Y-shaped center pillar suitable for super-large span according to any one of claims 1 to 5, wherein: the section of the main truss (2) is one of an inverted triangle, a rectangle and a trapezoid.
7. The double prestressed pipe truss structure with the Y-shaped center pillar suitable for super-large span according to any one of claims 1 to 5, wherein: the section of the center pillar (1) is one of an inverted triangle, a quadrangle and a trapezoid.
8. The double prestressed pipe truss structure with the Y-shaped center pillar suitable for super-large span according to any one of claims 1 to 5, wherein: the section of the center pillar (1) at least comprises two of a triangle, a trapezoid and a triangle, and the two different sections are combined in a transition mode.
9. The double prestressed pipe truss structure with the Y-shaped center pillar suitable for super-large span according to any one of claims 1 to 5, wherein: the sections of the main truss (2) at least comprise two of a triangle, a trapezoid and a triangle, and the two different sections are in transition combination.
10. The double-prestressed pipe truss structure with the Y-shaped center pillar suitable for the ultra-large span as claimed in claim 9, wherein: the stay bar (4) is a V-shaped double stay bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282576.3A CN112252478A (en) | 2020-11-17 | 2020-11-17 | Take Y shape center pillar to be applicable to dual prestressed pipe truss structure of super large span |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011282576.3A CN112252478A (en) | 2020-11-17 | 2020-11-17 | Take Y shape center pillar to be applicable to dual prestressed pipe truss structure of super large span |
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| Publication Number | Publication Date |
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| CN112252478A true CN112252478A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011282576.3A Pending CN112252478A (en) | 2020-11-17 | 2020-11-17 | Take Y shape center pillar to be applicable to dual prestressed pipe truss structure of super large span |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115853125A (en) * | 2023-02-24 | 2023-03-28 | 山西建筑工程集团有限公司 | Circular conical dome steel structure with upper opening and mounting method thereof |
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2020
- 2020-11-17 CN CN202011282576.3A patent/CN112252478A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115853125A (en) * | 2023-02-24 | 2023-03-28 | 山西建筑工程集团有限公司 | Circular conical dome steel structure with upper opening and mounting method thereof |
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