CN205088786U - Large -span prestressing force dome structure - Google Patents
Large -span prestressing force dome structure Download PDFInfo
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- CN205088786U CN205088786U CN201520851261.4U CN201520851261U CN205088786U CN 205088786 U CN205088786 U CN 205088786U CN 201520851261 U CN201520851261 U CN 201520851261U CN 205088786 U CN205088786 U CN 205088786U
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Abstract
The utility model discloses a large -span prestressing force dome structure, include: annular girder steel, inner ring girder steel, toper node, " gamma " type component and contact pole, annular girder steel locate the top of interim support column, the inner ring girder steel locate the inboard of annular girder steel, the toper node locate the centre of inner ring girder steel, " gamma " type component locate the outside of annular girder steel to set up relatively with the inner ring girder steel, the contact pole locate between two " gamma " type component. The utility model discloses in large -span prestressing force dome structure, it is through design of inner ring girder steel and " gamma " type component, great increase the span of whole calotte, on the arc girder steel in toper node and the annular girder steel is fixed in respectively at the both ends of radial girder steel and high rigging in the inner ring girder steel, great improvement the prestressing force of whole calotte, improve its shock resistance, reduced the requirement to bearing structure's bearing capacity to effectual stability and the security that has improved whole steel construction.
Description
Technical field
The utility model relates to a kind of steel work, specifically a kind of large-span prestressed dome structure.
Background technology
Steel building is a kind of novel building system, and it relates to the industry boundary line between realty industry, builing industry, Metallurgy Industry, and set becomes a new industrial system, steel building system that insider generally has an optimistic view of that Here it is.Steel building compares traditional concrete construction, and instead of steel concrete with steel plate or shaped steel, intensity is higher, and shock resistance is better, and can batch production make due to component, and in-site installation, thus substantially reduces the duration.Formally due to it, there is many characteristics, be thus subject to the favor of all multiple enterprises gradually.
In the manufacture process of steel building, generally all need to be provided with a roof, due to the particularity of its structure, in order to ensure its safety that can construct normally and construct, substantially be all by adopting more temporary support columns to support whole roof, the use of too many temporary support, be inconvenient to the carrying out of constructing, simultaneously, roof is all that support column completely on the lower and bracing frame provide support it at the process great majority used, the support of whole braced structures is born larger, once there is any problem in braced structures, so roof also will be greatly affected, the serious security of the lives and property that even can threaten people, thus the roof of existing steel building needs to improve.
Utility model content
Utility model object: the purpose of this utility model is to solve the deficiencies in the prior art, provides a kind of large-span prestressed dome structure.
Technical scheme: in order to realize above object, the large-span prestressed dome structure of one described in the utility model, comprise: annular girder steel, inner circular steel beam, taper node, " Γ " type component and contact bar, the top of temporary support columns is located at by described annular girder steel, described inner circular steel beam is located at the inner side of annular girder steel, described taper node is located at the centre of inner circular steel beam, the outside of annular girder steel is located at by described " Γ " type component, and be oppositely arranged with inner circular steel beam, described contact bar is located between two " Γ " type component.Large-span prestressed dome structure described in the utility model, it is by the design of inner circular steel beam with " Γ " type component, add the span of whole dome greatly, wherein, in described inner circular steel beam, the two ends of radial girder steel and high rigging are individually fixed on the arc girder steel in taper node and annular girder steel, improve the prestressing force of whole dome greatly, improve its shock resistance, reduce the requirement of the bearing capacity to braced structures simultaneously, the application life of effective prolongation braced structures, thus effectively raise stability and the safety of whole steel work, and then better meet the demand of client.
Annular girder steel described in the utility model is spliced by arc girder steel, aerial docking port and installation on ground docking port is provided with between arc girder steel described in two, the both sides of described aerial docking port are equipped with split heads, and the side of described installation on ground docking port is provided with split heads.
Inner circular steel beam described in the utility model is made up of upper strata girder steel and lower floor's girder steel, described upper strata girder steel is radial girder steel, described lower floor's girder steel is high rigging, and described radial girder steel and the two ends of high rigging are individually fixed on the arc girder steel in taper node and annular girder steel.
" Γ " type component described in the utility model is made up of bracing frame, overhanging component and girder steel, described overhanging component is located at the top of bracing frame, the inner side of bracing frame is located at by described girder steel, and one end of described bracing frame is provided with bearing pin, and described girder steel is provided with bolt hole.
" Γ " type component described in the utility model is provided with control point, described control point comprises control point 1, control point 2, control point 3, control point 4 and control point 5, described control point 1 is bearing pin center, described control point 2 is positioned at the first bolt hole of girder steel, described control point 3 is positioned at overhanging component pipe control and encorbelments the position of part, and described control point 4 and control point 5 are positioned at the mid point of girder steel.
Girder steel described in the utility model is made up of straight girder steel and arc girder steel, the below of straight girder steel is located at by described arc girder steel, described straight girder steel and arc girder steel overlap near one end of annular girder steel and are connected, and the other end is individually fixed in the assigned address on bracing frame.
The preparation method of a kind of large-span prestressed dome structure described in the utility model, concrete preparation method is as follows:
: first as required by required material on deck, and check according to listing inventory (1);
(2): in the position of specifying, ready support column is installed according to spacing;
(3): meanwhile, ready arc girder steel is carried out on ground assembled in advance, between arc girder steel, form aerial docking port and installation on ground docking port, and the interim mouth of all connections is fixed, form annular girder steel;
(4): after the interim mouth of all connections fixedly completes, see whether the appearance and size of annular girder steel meets the demands, if it meets the demands, installation on ground docking port is welded;
(5): after installation on ground docking port has welded, aerial docking port is taken apart, then arc girder steel is lifted, be fixed in temporary support columns;
(6): then lift central point node, and the lower floor's inner circular steel beam in inner circular steel beam is fixed on the inside of annular girder steel, it is allowed to form stabilization element;
(7): treat that lower floor's inner circular steel beam fixes, then the relative position installation of ready upper strata inner circular steel beam according to lower floor's inner circular steel beam fix;
(8): and then ready " Γ " type Components installation is fixed on upper strata inner circular steel beam and the lower floor's inner circular steel beam relative position at annular girder steel;
(9): after " Γ " type Components installation fixes, again repeat according to above-mentioned steps 6 to step 8, successively according to lower floor's inner circular steel beam and " Γ " type component, symmetry lifting is carried out to the upper strata inner circular steel beam in inner circular steel beam fixing;
(10) contact bar is installed: after being completed according to lower floor's inner circular steel beam and " Γ " type Components installation by upper strata inner circular steel beam as requested, then between two " Γ " type component;
(11): then repeat above-mentioned steps 6 to step 10, successively remaining upper strata inner circular steel beam is carried out lifting according to lower floor's inner circular steel beam and " Γ " type component and fix, and contact bar is installed between two " Γ " type component;
(12): treat that all upper strata inner circular steel beams are according to lower floor's inner circular steel beam and component (4) installation of " Γ " type, then total is checked, if there is problem so, carry out after-treatment, if passed examination, so so far then complete the making of total.
Beneficial effect: large-span prestressed dome structure described in the utility model, has the following advantages:
Large-span prestressed dome structure described in the utility model, it is by the design of inner circular steel beam with " Γ " type component, add the span of whole dome greatly, wherein, in described inner circular steel beam, the two ends of radial girder steel and high rigging are individually fixed on the arc girder steel in taper node and annular girder steel, improve the prestressing force of whole dome greatly, improve its shock resistance, reduce the requirement of the bearing capacity to braced structures simultaneously, the application life of effective prolongation braced structures, thus effectively raise stability and the safety of whole steel work, and then better meet the demand of client.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of dome structure in the utility model;
Fig. 3 is the connection diagram of inner circular steel beam in the utility model;
In figure: annular girder steel-1, inner circular steel beam-2, taper node-3, " Γ " type component-4, contact bar-5, upper strata girder steel-21, lower floor's girder steel-22.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the technical solution of the utility model further.
Embodiment 1
The large-span prestressed dome structure of one as shown in Figure 1, comprise: annular girder steel 1, inner circular steel beam 2, taper node 3, " Γ " type component 4 and contact bar 5, wherein, described annular girder steel 1 is spliced by arc girder steel, and described inner circular steel beam 2 is made up of upper strata girder steel 21 and lower floor's girder steel 22.
The annexation of above-mentioned each structure is as follows:
The top of temporary support columns is located at by described annular girder steel 1, described inner circular steel beam 2 is located at the inner side of annular girder steel 1, described taper node 3 is located at the centre of inner circular steel beam 2, the outside of annular girder steel 1 is located at by described " Γ " type component 4, and be oppositely arranged with inner circular steel beam 2, described contact bar 5 is located between two " Γ " type component 4, aerial docking port and installation on ground docking port is provided with between arc girder steel described in two, the both sides of described aerial docking port are equipped with split heads, and the side of described installation on ground docking port is provided with split heads.
Upper strata girder steel 21 described in the present embodiment is radial girder steel, and described lower floor's girder steel 22 is high rigging, and described radial girder steel and the two ends of high rigging are individually fixed on the arc girder steel in taper node 3 and annular girder steel 1.
" Γ " type component 4 described in the present embodiment is by bracing frame, overhanging component and girder steel are formed, described overhanging component is located at the top of bracing frame, the inner side of bracing frame is located at by described girder steel, one end of described bracing frame is provided with bearing pin, described girder steel is provided with bolt hole, described " Γ " type component 4 is provided with control point, described control point comprises control point 1, control point 2, control point 3, control point 4 and control point 5, described control point 1 is bearing pin center, described control point 2 is positioned at the first bolt hole of girder steel, described control point 3 is positioned at overhanging component pipe control and encorbelments the position of part, described control point 4 and control point 5 are positioned at the mid point of girder steel.
Girder steel described in the present embodiment is made up of straight girder steel and arc girder steel, the below of straight girder steel is located at by described arc girder steel, described straight girder steel and arc girder steel overlap near one end of annular girder steel 1 and are connected, and the other end is individually fixed in the assigned address on bracing frame.
Embodiment 2
The preparation method dome structure wherein of a kind of large-span prestressed dome structure described in the present embodiment is identical with the dome structure in embodiment 1.
The large-span prestressed dome structure of one as shown in Figure 1, comprise: annular girder steel 1, inner circular steel beam 2, taper node 3, " Γ " type component 4 and contact bar 5, wherein, described annular girder steel 1 is spliced by arc girder steel, and described inner circular steel beam 2 is made up of upper strata girder steel 21 and lower floor's girder steel 22.
The annexation of above-mentioned each structure is as follows:
The top of temporary support columns is located at by described annular girder steel 1, described inner circular steel beam 2 is located at the inner side of annular girder steel 1, described taper node 3 is located at the centre of taper node 3, the outside of annular girder steel 1 is located at by described " Γ " type component 4, and be oppositely arranged with inner circular steel beam 2, described contact bar 5 is located between two " Γ " type component 4, aerial docking port and installation on ground docking port is provided with between arc girder steel described in two, the both sides of described aerial docking port are equipped with split heads, and the side of described installation on ground docking port is provided with split heads.
A kind of preparation method of large-span prestressed dome structure in the present embodiment, is characterized in that: concrete preparation method is as follows:
: first as required by required material on deck, and check according to listing inventory (1);
(2): in the position of specifying, ready support column is installed according to spacing;
(3): meanwhile, ready arc girder steel is carried out on ground assembled in advance, between arc girder steel, form aerial docking port and installation on ground docking port, and the interim mouth of all connections is fixed, form annular girder steel 1;
(4): after the interim mouth of all connections fixedly completes, see whether the appearance and size of annular girder steel meets the demands, if it meets the demands, installation on ground docking port is welded;
(5): after installation on ground docking port has welded, aerial docking port is taken apart, then arc girder steel is lifted, be fixed in temporary support columns;
(6): then lift taper node 3, and the lower floor's inner circular steel beam in inner circular steel beam 2 is fixed on the inside of annular girder steel 1, it is allowed to form stabilization element;
(7): treat that lower floor's inner circular steel beam fixes, then the relative position installation of ready upper strata inner circular steel beam according to lower floor's inner circular steel beam fix;
(8): and then ready " Γ " type component 4 is mounted on upper strata inner circular steel beam and the lower floor's inner circular steel beam relative position at annular girder steel 1;
(9): after the installation of " Γ " type component 4 fixes, again repeat according to above-mentioned steps 6 to step 8, successively according to lower floor's inner circular steel beam and " Γ " type component 4, symmetry lifting is carried out to the upper strata inner circular steel beam in inner circular steel beam 2 fixing;
(10): until as requested by upper strata inner circular steel beam according to lower floor's inner circular steel beam and the installation of " Γ " type component 4 after, then between two " Γ " type component 4 install contact bar 5;
(11): then repeat above-mentioned steps 6 to step 10, successively remaining upper strata inner circular steel beam is carried out lifting according to lower floor's inner circular steel beam and " Γ " type component 4 and fix, and contact bar 5 is installed between two " Γ " type component 4;
(12): treat that all upper strata inner circular steel beams are according to lower floor's inner circular steel beam and the installation of " Γ " type component 4, then total is checked, if there is problem so, carry out after-treatment, if passed examination, so so far then complete the making of total.
Embodiment is only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Claims (6)
1. a large-span prestressed dome structure, it is characterized in that: comprising: annular girder steel (1), inner circular steel beam (2), taper node (3), " Γ " type component (4) and contact bar (5), the top of temporary support columns is located at by described annular girder steel (1), described inner circular steel beam (2) is located at the inner side of annular girder steel (1), described taper node (3) is located at the centre of inner circular steel beam (2), the outside of annular girder steel (1) is located at by described " Γ " type component (4), and be oppositely arranged with inner circular steel beam (2), described contact bar (5) is located between two " Γ " type component (4).
2. the large-span prestressed dome structure of one according to claim 1, it is characterized in that: described annular girder steel (1) is spliced by arc girder steel, aerial docking port and installation on ground docking port is provided with between arc girder steel described in two, the both sides of described aerial docking port are equipped with split heads, and the side of described installation on ground docking port is provided with split heads.
3. the large-span prestressed dome structure of one according to claim 1, it is characterized in that: described inner circular steel beam (2) is made up of upper strata girder steel (21) and lower floor's girder steel (22), described upper strata girder steel (21) is radial girder steel, described lower floor's girder steel (22) is high rigging, and described radial girder steel and the two ends of high rigging are individually fixed on the arc girder steel in taper node (3) and annular girder steel (1).
4. the large-span prestressed dome structure of one according to claim 1, it is characterized in that: described " Γ " type component (4) is made up of bracing frame, overhanging component and girder steel, described overhanging component is located at the top of bracing frame, the inner side of bracing frame is located at by described girder steel, one end of described bracing frame is provided with bearing pin, and described girder steel is provided with bolt hole.
5. the large-span prestressed dome structure of the one according to claim 1 or 4, it is characterized in that: described " Γ " type component (4) is provided with control point, described control point comprises control point 1, control point 2, control point 3, control point 4 and control point 5, described control point 1 is bearing pin center, described control point 2 is positioned at the first bolt hole of girder steel, described control point 3 is positioned at overhanging component pipe control and encorbelments the position of part, and described control point 4 and control point 5 are positioned at the mid point of girder steel.
6. the large-span prestressed dome structure of one according to claim 4, it is characterized in that: described girder steel is made up of straight girder steel and arc girder steel, the below of straight girder steel is located at by described arc girder steel, described straight girder steel and arc girder steel overlap near one end of annular girder steel (1) and are connected, and the other end is individually fixed in the assigned address on bracing frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520851261.4U CN205088786U (en) | 2015-10-30 | 2015-10-30 | Large -span prestressing force dome structure |
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| CN201520851261.4U CN205088786U (en) | 2015-10-30 | 2015-10-30 | Large -span prestressing force dome structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464213A (en) * | 2015-10-30 | 2016-04-06 | 北京城建集团有限责任公司 | Large-span prestressed dome structure and manufacturing method thereof |
| CN111877773A (en) * | 2020-08-19 | 2020-11-03 | 中冶建工集团重庆钢结构有限公司 | Installation method of large-span annular pressure ring single-layer grid steel roof |
| CN114876187A (en) * | 2022-05-16 | 2022-08-09 | 江苏鹏诚钢构有限公司 | Steel mould building and manufacturing method for large concrete curved surface modeling |
-
2015
- 2015-10-30 CN CN201520851261.4U patent/CN205088786U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464213A (en) * | 2015-10-30 | 2016-04-06 | 北京城建集团有限责任公司 | Large-span prestressed dome structure and manufacturing method thereof |
| CN111877773A (en) * | 2020-08-19 | 2020-11-03 | 中冶建工集团重庆钢结构有限公司 | Installation method of large-span annular pressure ring single-layer grid steel roof |
| CN114876187A (en) * | 2022-05-16 | 2022-08-09 | 江苏鹏诚钢构有限公司 | Steel mould building and manufacturing method for large concrete curved surface modeling |
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