CN103077276B - The presetting interior hydraulic design method of spatial steel structure - Google Patents
The presetting interior hydraulic design method of spatial steel structure Download PDFInfo
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- CN103077276B CN103077276B CN201310003872.9A CN201310003872A CN103077276B CN 103077276 B CN103077276 B CN 103077276B CN 201310003872 A CN201310003872 A CN 201310003872A CN 103077276 B CN103077276 B CN 103077276B
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Abstract
<b> the invention discloses a kind of presetting interior hydraulic design method </b><bGreatT.Gre aT.GT of spatial steel structure, </b><bGreatT.Gre aT.GT is characterized in that, step </b><bGreatT.Gre aT.GT1</b><bGrea tT.GreaT.GT: the internal force of analysis space steel construction according to a conventional method, step </b><bGreatT.Gre aT.GT2</b><bGrea tT.GreaT.GT: find topmost primary structure member that is actual or that wish or component set, arranges that these components or component set form partial structurtes, step </b><bGreatT.Gre aT.GT3</b><bGrea tT.GreaT.GT: arrange drag-line at correct position, to above-mentioned component or component set Shi Hanzhang, make to produce the stress contrary with under primary load effect in above-mentioned particular elements, step </b><bGreatT.Gre aT.GT4</b><bGrea tT.GreaT.GT: install remaining component and form complete spatial steel structure, calculate one-piece construction internal force, as met the requirements, complete the design of presetting internal force, step </b><bGreatT.Gre aT.GT1</b><bGrea tT.GreaT.GT to step </b><bGreatT.Gre aT.GT4</b><bGrea tT.GreaT.GT is then repeated as undesirable.The inventive method makes spatial steel structure can by the predetermined path power transmission of deviser, thus reach structure stress evenly, obviously reduce the object of spatial steel structure steel using amount.</b>
Description
Technical field
the present invention relates to architectural design technical field, particularly relate to a kind of presetting interior hydraulic design method of complex space steel construction.
Background technology
the future development that Modern Steel Structure is large towards span, various shapes, outward appearance are light and handy; And all moulding proposed by architect, artist, always can not meet the needs of power transmission rational in infrastructure, as still traditionally designed, may make that structure stress is extremely unreasonable, internal force distributed pole is between components uneven, thus affect the realization of architectural image and the safe and reliable of structure and economy.
Summary of the invention
the present invention seeks to: the presetting interior hydraulic design method that a kind of spatial steel structure is provided, make spatial steel structure to a certain extent by the path power transmission that deviser is predetermined, thus structure stress even, obvious reduction spatial steel structure steel using amount can be reached.
technical scheme of the present invention is:
a presetting interior hydraulic design method for spatial steel structure, is characterized in that, comprise the following steps:
step 1: set up spatial steel structure three-dimensional model, the according to a conventional method internal force of analysis space steel construction;
step 2: find topmost primary structure member that is actual or that determine hope, arrange that described component forms partial structurtes;
step 3: arrange drag-line at correct position, and drag-line described in stretch-draw is to above-mentioned particular elements Shi Hanzhang;
step 4: install remaining component and form complete spatial steel structure, calculates one-piece construction internal force, as met the requirements, completes the design of presetting internal force, then repeats step 1 to step 4 as undesirable.
the presetting interior hydraulic design method of spatial steel structure according to claim 1, is characterized in that, the internal force of the steel construction of conventional method analysis space described in described step 1 refers to and carries out primary Calculation to described spatial steel structure three-dimensional model applying dead load, mobile load.
further, topmost primary structure member actual described in step 2 refers to the analysis result of step 1 gained, and the topmost primary structure member of wishing refers to that deviser wishes to play the component of more Main Function;
further, prestress described in step 3 refers to and applies dead load, internal force that live loading power is contrary to described particular elements.
further, the component that step 1 to adjustable during step 4 changes original component or residue installation is repeated described in step 4.
further, step 1 is repeated described in step 4 to the order of adjustable change to described particular elements Shi Hanzhang during step 4.
further, described component also can be component set.
to spatial steel structure, first analyze its internal force according to a conventional method, find topmost primary structure member that is actual or that wish; Then arrange that this partial component forms partial structurtes, and arrange drag-line in proper site, stretch-draw drag-line, make the main bearing member of the component or hope being originally subject to larger internal force first in advance by opposite force; Another part component is installed and forms complete structure.The process of " mounting portion component-Shi Hanzhang-installation another part component " can repeatedly be carried out repeatedly, carrys out adjustment structure internal force in advance thus, and the path that main internal force is wished by deviser is transmitted.
a kind of situation is also had to be analytical structure internal force according to a conventional method, find that there is part-structure internal force large especially, then first cancel this part rod member in a model, arrange drag-line in proper site, stretch-draw drag-line, makes structure stress, and then the part rod member previously do not installed is installed, repeatedly repeat this process, then the king-sized rod member of adjustable original internal force is stressed, and the path that main internal force is wished by deviser is transmitted.
advantage of the present invention is:
compared with the method for designing of conventional steel structure, the measures such as the present invention fills after incorporating Components installation order, prestress, particular elements, zero stress section is assembled, different distributions is carried out to the internal force that one-piece construction produces, the internal force realized in structure transmits to the direction that deviser expects, thus reaches the effect of more reasonable power transmission, structure economics.The present invention can be used for various complex space steel construction, as for the deadweight and the accumulated snow load that account for structural internal force larger specific gravity, Shi Hanzhang in adjustment means erection sequence, installation process is passed through in advance in component, rear dress partial component forms one-piece construction, make the component bearing larger internal force under vertical perseverance, live loading that part internal force is transmitted to drag-line in advance, both the superiority of drag-line Materials with High Strength had been played, turn reduce the deadweight of span centre component, thus optimize the distribution of internal force in one-piece construction, save material, reduce cost.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the FB(flow block) of embodiment.
Embodiment
embodiment:
below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete engineering, and not marked implementation condition is generally the condition in normal experiment.
as shown in Figure 1, a kind of presetting interior hydraulic design method of spatial steel structure, can carry out as follows:
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1. structural elements is arranged, sets up Long-span Spatial Structures model;
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2. applying dead load, mobile load carry out primary Calculation structural internal force;
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3. find out the main bearing member of stressed maximum component or hope, determine main Force transmission parts set;
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4. determine that rear installation member is to specify Path of Force Transfer and the power transmission scope of next step Shi Hanzhang;
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5. the Force transmission parts set in pair main Path of Force Transfer is installed by particular order or Shi Hanzhang makes to produce the internal force contrary with under structure dead load, live loading in predetermined member;
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6. uninstalled component or component set are above installed and form one-piece construction;
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7. calculate one-piece construction internal force;
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8. selected member cross section;
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9. whether judged result is satisfied with, otherwise gets back to the 5th step, re-starts adjustment internal force structure; Complete the 10th step;
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10. complete the design of the presetting internal force of spatial steel structure.
more than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.
Claims (4)
1. a presetting interior hydraulic design method for spatial steel structure, is characterized in that, comprise the following steps:
Step 1: set up spatial steel structure three-dimensional model, the according to a conventional method internal force of analysis space steel construction;
The internal force of described conventional method analysis space steel construction refers to and carries out primary Calculation to described spatial steel structure three-dimensional model applying dead load, mobile load;
Step 2: determine the topmost primary structure member of wishing, arranges that described component forms partial structurtes;
The topmost primary structure member of described hope refers to that deviser wishes to play the component of more Main Function;
Step 3: arrange drag-line at correct position, and drag-line described in stretch-draw is to above-mentioned topmost primary structure member Shi Hanzhang;
Described prestress refers to and applies and dead load, internal force that live loading power is contrary described topmost primary structure member;
Step 4: install remaining component and form complete spatial steel structure, calculates one-piece construction internal force, as met the requirements, completes the design of presetting internal force, then repeats step 1 to step 4 as undesirable.
2. the presetting interior hydraulic design method of spatial steel structure according to claim 1, is characterized in that, repeats the component that step 1 to adjustable during step 4 changes topmost primary structure member or residue installation described in step 4.
3. the presetting interior hydraulic design method of spatial steel structure according to claim 2, is characterized in that, repeats step 1 to the order of adjustable change to described topmost primary structure member Shi Hanzhang during step 4 described in step 4.
4. the presetting interior hydraulic design method of spatial steel structure according to claim 3, is characterized in that, described component also can be component set.
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| CN201310003872.9A CN103077276B (en) | 2013-01-07 | 2013-01-07 | The presetting interior hydraulic design method of spatial steel structure |
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| CN201310003872.9A CN103077276B (en) | 2013-01-07 | 2013-01-07 | The presetting interior hydraulic design method of spatial steel structure |
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| CN103077276B true CN103077276B (en) | 2016-04-06 |
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| CN112709321B (en) * | 2019-10-24 | 2022-03-04 | 深圳市建筑设计研究总院有限公司 | Node connection method of axial stress member |
| CN112709336B (en) * | 2019-10-24 | 2022-03-04 | 深圳市建筑设计研究总院有限公司 | Method for loading torsion member and connecting support |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101122159A (en) * | 2007-08-31 | 2008-02-13 | 广东省建筑设计研究院 | Steel pipe integral girders for constructing prestressing force and construction method thereof |
| WO2010105594A1 (en) * | 2009-03-14 | 2010-09-23 | Ulrike Weber | Girder made of a one-piece structural steel section |
| CN102704568A (en) * | 2012-04-04 | 2012-10-03 | 中国航空规划建设发展有限公司 | Method for regulating internal force of overhanging steel structure root member |
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2013
- 2013-01-07 CN CN201310003872.9A patent/CN103077276B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101122159A (en) * | 2007-08-31 | 2008-02-13 | 广东省建筑设计研究院 | Steel pipe integral girders for constructing prestressing force and construction method thereof |
| WO2010105594A1 (en) * | 2009-03-14 | 2010-09-23 | Ulrike Weber | Girder made of a one-piece structural steel section |
| CN102704568A (en) * | 2012-04-04 | 2012-10-03 | 中国航空规划建设发展有限公司 | Method for regulating internal force of overhanging steel structure root member |
Non-Patent Citations (1)
| Title |
|---|
| 大跨度悬挑预应力结构稳定性分析及关键节点受力性能研究;崔娟;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20100215(第2期);第C038-98页 * |
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Address after: 215021 Suzhou Industrial Park, Jiangsu Xinghai street, No. 9 Patentee after: Design group Limited by Share Ltd Address before: 215021 Suzhou Industrial Park, Jiangsu Xinghai street, No. 9 Patentee before: Suzhou Institute of Architectural Design Co., Ltd. |
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