CN100580676C - Construction steel structure construction procedure temperature stress emulated analytical method - Google Patents
Construction steel structure construction procedure temperature stress emulated analytical method Download PDFInfo
- Publication number
- CN100580676C CN100580676C CN200810094315A CN200810094315A CN100580676C CN 100580676 C CN100580676 C CN 100580676C CN 200810094315 A CN200810094315 A CN 200810094315A CN 200810094315 A CN200810094315 A CN 200810094315A CN 100580676 C CN100580676 C CN 100580676C
- Authority
- CN
- China
- Prior art keywords
- temperature
- construction
- stage
- stress
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a temperature stress simulation analysis method in a building steel structure construction process, and belongs to the structure engineering field, which is characterized in that the analysis method comprises following steps: firstly dividing time-temperature field, and selecting a joining temperature; then loading a temperature load; processing to analyze temperature effect in the building steel structure construction process. The simulation analysis method provided by the invention once was applied in analyzing temperature in the steel structure construction process of the national swimming center ('the water cube') project, and gained verification of monitoring data in the construction process, and gained very good effect. The temperature stress simulation analysis method in the construction process is especially applicable to process the simulation analysis for influence of the temperature effect of the steel structure in the construction process.
Description
Technical field
The present invention relates to a kind of method of construction steel structure construction procedure temperature stress being carried out simulation analysis.Be particularly related to and a kind of large span space steel construction temperature section closed up the loading method in the simulation analysis of (closing up: refer to each construction working face in the work progress or reserve the connection of tie point) and work progress time-temperature field and to the influence of member primary stress.
Background technology
In building structure construction, because the polar expansion characteristic of material, temperature variation is than reinforced concrete structure sensitivity to external world for steel construction, and the work progress environment temperature be can not ignore the influence of closing up generation, and can have influence on the primary stress of structural elements.But existing construction steel structure engineering design and construction standard does not all propose the computational analysis requirement to the influence of extraneous variation of ambient temperature in the work progress.When structural span was big, construction was adopted to reserve and is regulated section and solve and closes up error problem.And in the work progress, member unit is because the effect in time-temperature field produces initial temperature stress, cause member to produce deviation at completion state and the default original state of working drawing design, and then influence the fiduciary level of member unit, still do not have the document introduction both at home and abroad, lack relevant simulating analysis yet.
Summary of the invention
The present invention is directed to the deficiency and the defective of temperature stress emulated analysis in the existing Construction of Steel Structure, a kind of analytical approach of effective practicality is provided.And in the project Pre-tensioned Steel Structures of National Aquatics Center " the Water Cube ", be applied and verify.
Of the present invention being characterised in that: described method realizes in computing machine successively according to the following steps:
Step (1), import following parameter to computing machine:
The construction temperature segmentation that sets:
For skyscraper, press the transportation lengths or the lifting weight of steel column and determine;
For space structure, each continuous construction area as a temperature section;
When structure is constructed continuously, delimit according to the pairing construction area of each time span in the work progress;
Selected reference data temperature and time section:
With nearly in monthly mean temperatures, 10 of local observatory as the reference reference temperature;
With the moon as the time section.
Selected section closes up temperature:
With described each month the reference data temperature close up temperature as section, but with being adjusted accordingly different seasons:
Summer is than low 2 ℃-5 ℃ of month reference data temperature;
Spring and autumn is got moon reference data temperature ± 5 ℃;
Winter is higher 5 ℃-10 ℃ than month reference data temperature;
Set numbering of each grouping in every layer of roof system, and the numbering of each structural elements in every layer of roof system simultaneously;
Set again, the stress of last temperature section member and distortion are made analysis on temperature stress when adding new structural member for described next temperature section and are used as the primary stress and the initial deformation of next temperature section.
Step (2) is closed up the stage at each, carries out the temperature stress emulated analysis of construction steel structure construction work successively according to the following steps:
Step (2.1): first closes up the stage
Do not have grouping and close up situation, only analyze first and close up the temperature action of the set that each member is formed in the stage, step is as follows:
Step (2.1.1) writes down the described reference temperature that is integrated into construction period, the highest temperature and the lowest temperature, and poor according to the highest, minimum temperature and reference temperature respectively calculates the temperature rise and the temperature drop of each structural elements correspondence in the described set;
Step (2.1.2), the order load-on module of the construction simulation in the employing SAP2000 Gneral analysis software carries out the nonlinear finite element simulation analysis to temperature action, and stress that obtains and distortion are used as the second original state parameter of closing up the stage;
Step (2.2), second closes up the stage
Add new structural elements, and carry out described simulation analysis by next step:
Step (2.2.1), temperature when record closes up, as the reference temperature, write down the highest and minimum temperature when closing up with this again, the difference according to maximum temperature, minimum temperature and reference temperature calculates temperature rise and the temperature drop that closes up each member in the new structural elements set in the back that finishes respectively;
Step (2.2.2) adopts the module in the described SAP2000 Gneral analysis software that temperature action is carried out the nonlinear finite element simulation analysis, and stress that obtains and distortion are used as next original state parameter of closing up the stage;
Step (2.2.3) is added new structural elements, repeated execution of steps (2.2.1)～step (2.2.2) ", till finally closing up the stage.
The present invention is applied in the project Pre-tensioned Steel Structures of National Aquatics Center " the Water Cube " and verifies.
Description of drawings
Fig. 1 is that typical time-temperature curve of the present invention and section close up temperature.
Time shaft is unit with the moon among the figure, and the left side is the reference data temperature, and the right side closes up temperature for calculating the section of choosing.
Section is closed up in the corresponding construction of each group pillar cell.
Fig. 2 is a typical temperature load loading method of the present invention.
Temperature action loading procedure with National Aquatics Center " the Water Cube " is example: Fig. 2 left side, from top to bottom each closes up the stage for structure, W1 ... W5, RA, RB is respectively the packet numbering of structural elements, and the right side of grouping is that the section of each construction stage closes up temperature (corresponding with figure one) and this closes up the temperature rise TX1 of member in the stage, the operating mode definition of temperature drop TX2 effect (the Temperature numerical the highest and lowest temperature of time section is thus determined).TX0 closes up the stage to close up the operating mode of temperature variation correspondence when changing with project progress.In the member process of progressively closing up of grouping, the close up reference temperature, temperature rise, temperature drop of original member and Xin Jia member all constantly change with project progress, thereby reach the temperature stress emulated of overall process.
Fig. 3 is a program flow diagram of the present invention.
Embodiment
Temperature action simulation analysis with National Aquatics Center " the Water Cube " is an example:
According to the general arrangement of engineering construction, integrated structure architectural definition reasonably construction closes up section, and the member in each stage is carried out W among packet numbering such as Fig. 2
1W
5Be the grouping that body of wall is divided, R
A, R
BGrouping for the roof system division.
According to the arrangement of duration prediction and with reference to seasonal factor, define the reference temperature of closing up that each closes up the stage, and prediction and statistics and close up the highest and lowest temperature that the stage may occur.As Fig. 1 and the definition of Fig. 2 temperature.
The loading definition of respectively closing up temperature action:
As shown in Figure 2, first to close up the stage be W1-1, W1-2, and this two groupings member is constructed simultaneously, does not have grouping and closes up situation, therefore only analyzes the temperature action of this set.This reference temperature of gathering construction period is 23 ℃, and the highest temperature is T
12=43 ℃, the lowest temperature is T
12=13 ℃.So this time the structural elements correspondence of set has applied the temperature rise effect of 20 ℃ (43 ℃-23 ℃) and the temperature drop effect of 10 ℃ (23 ℃-13 ℃).Two load cases independently apply, and can independently inquire about so analyze the result of back effect.Analysis result can enter subordinate phase simultaneously.
Second closes up in the stage W2 grouping member is added into the W1-1 that constructs and finish, the W1-2 set, can be in all member corresponding reference temperature of this construction stage to change, therefore at first need carry out the correction of reference temperature to this new set, also original member has been carried out simultaneously the definition of load action, be W1-1, W1-2, W2 is T closing up temperature constantly
20=20 ℃, close up the rigidity of structure that the new component set in the back that finishes forms, again this set is carried out the temperature rise T of this time period
21=40 ℃ and temperature drop T
22=10 ℃ of load actions.The result can independently inquire about equally, and brings next construction into and close up the stage.
Increase the structure grouping according to above rule by the stage, and define corresponding reference temperature and temperature rise, temperature drop finish up to engineering construction, can omnidistance trace analysis structure temperature stress.
Claims (2)
1, construction steel structure construction procedure temperature stress emulated analytical method is characterized in that: described method realizes in computing machine successively according to the following steps:
Step (1), import following parameter to computing machine:
The construction temperature segmentation that sets:
For skyscraper, press the transportation lengths or the lifting weight of steel column and determine;
For space structure, each continuous construction area as a temperature section;
When structure is constructed continuously, delimit according to the pairing construction area of each time span in the work progress;
Selected reference data temperature and time section:
With nearly in monthly mean temperatures, 10 of local observatory as the reference reference temperature;
With the moon as the time section;
Selected section closes up temperature:
With described each month the reference data temperature close up temperature as section, but with being adjusted accordingly different seasons:
Summer is than low 2 ℃-5 ℃ of month reference data temperature;
Spring and autumn is got moon reference data temperature ± 5 ℃;
Winter is higher 5 ℃-10 ℃ than month reference data temperature;
Set numbering of each grouping in every layer of roof system, and the numbering of each structural elements in every layer of roof system simultaneously;
Set again, the stress of last temperature section member and distortion are made analysis on temperature stress when adding new structural member for described next temperature section and are used as the primary stress and the initial deformation of next temperature section;
Step (2) is closed up the stage at each, carries out the temperature stress emulated analysis of construction steel structure construction work successively according to the following steps:
Step (2.1): first closes up the stage
Do not have grouping and close up situation, only analyze first and close up the temperature action of the set that each member is formed in the stage, step is as follows:
Step (2.1.1) writes down the described reference temperature that is integrated into construction period, the highest temperature and the lowest temperature, and poor according to the highest, minimum temperature and reference temperature respectively calculates the temperature rise and the temperature drop of each structural elements correspondence in the described set;
Step (2.1.2), the order load-on module of the construction simulation in the employing SAP2000 Gneral analysis software carries out the nonlinear finite element simulation analysis to temperature action, and stress that obtains and distortion are used as the second original state parameter of closing up the stage;
Step (2.2), second closes up the stage
Add new structural elements, and carry out described simulation analysis by next step:
Step (2.2.1), temperature when record closes up, as the reference temperature, write down the highest and minimum temperature when closing up with this again, the difference according to maximum temperature, minimum temperature and reference temperature calculates temperature rise and the temperature drop that closes up each member in the new structural elements set in the back that finishes respectively;
Step (2.2.2) adopts the order load-on module in the described SAP2000 Gneral analysis software that temperature action is carried out the nonlinear finite element simulation analysis, and stress that obtains and distortion are used as next original state parameter of closing up the stage;
Step (2.2.3) is added new structural elements, repeated execution of steps (2.2.1)～step (2.2.2) ", till finally closing up the stage.
2, in accordance with the method for claim 1, it is characterized in that described set comprises roof system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810094315A CN100580676C (en) | 2008-01-23 | 2008-04-28 | Construction steel structure construction procedure temperature stress emulated analytical method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810004360 | 2008-01-23 | ||
| CN200810004360.3 | 2008-01-23 | ||
| CN200810094315A CN100580676C (en) | 2008-01-23 | 2008-04-28 | Construction steel structure construction procedure temperature stress emulated analytical method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101266631A CN101266631A (en) | 2008-09-17 |
| CN100580676C true CN100580676C (en) | 2010-01-13 |
Family
ID=39989045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810094315A Active CN100580676C (en) | 2008-01-23 | 2008-04-28 | Construction steel structure construction procedure temperature stress emulated analytical method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100580676C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866189B (en) * | 2010-05-13 | 2012-05-16 | 清华大学 | Temperature control device for use in civil engineering temperature stress measurement |
| CN102542124A (en) * | 2012-02-29 | 2012-07-04 | 深圳大学建筑设计研究院 | Pull cable prestressing simulating analysis method for steel building structure |
| CN102663213A (en) * | 2012-05-08 | 2012-09-12 | 中建国际（深圳）设计顾问有限公司 | Method for analyzing temperature difference shrinkage effect of concrete structure |
| CN102789525B (en) * | 2012-07-10 | 2018-01-30 | 同济大学建筑设计研究院(集团)有限公司 | The non-resilient Time-varying analysis method of high building structure |
| CN109753733B (en) * | 2019-01-08 | 2023-01-31 | 哈尔滨工业大学（深圳） | Method and system for determining construction closure temperature of spatial steel structure |
-
2008
- 2008-04-28 CN CN200810094315A patent/CN100580676C/en active Active
Non-Patent Citations (4)
| Title |
|---|
| 不同合拢状态温度差轴向应力计算. 王培传.西部探矿工程，第3期. 2004 |
| 不同合拢状态温度差轴向应力计算. 王培传.西部探矿工程，第3期. 2004 * |
| 国家体育场大跨度钢结构设计与研究. 范重，刘先明，范学伟，胡纯炀，胡天兵，吴学敏，郁银泉.建筑结构学报，第28卷第2期. 2007 |
| 国家体育场大跨度钢结构设计与研究. 范重，刘先明，范学伟，胡纯炀，胡天兵，吴学敏，郁银泉.建筑结构学报，第28卷第2期. 2007 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101266631A (en) | 2008-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100580676C (en) | Construction steel structure construction procedure temperature stress emulated analytical method | |
| US11429765B2 (en) | Meshless method for solid mechanics simulation, electronic device, and storage medium | |
| Magliulo et al. | Extension of N2 method to plan irregular buildings considering accidental eccentricity | |
| CN106650148A (en) | Method of continuum structure non-probabilistic reliability topological optimization under mixed constraints of displacements and stresses | |
| CN105160055A (en) | Brand-new displacement-based seismic design method for framework structure | |
| CN112528540B (en) | Structure optimization method based on force-heat coupling calculation | |
| CN103678937A (en) | Method for evaluating overall earthquake damage level of reinforced concrete frame structure based on equivalent single-degree-of-freedom system | |
| CN102682175B (en) | Method for analyzing reliability of construction error of grid structure based on buckling mode combination | |
| CN102707623B (en) | Feedback control method for tension overall process of prestress grid structure | |
| CN111539138A (en) | Method for solving time domain response sensitivity of structural dynamics peak value based on step function | |
| Chuang et al. | Parameter identification for on‐line model updating in hybrid simulations using a gradient‐based method | |
| CN110700583A (en) | Aluminum template pre-assembly system and method based on three-dimensional BIM technology | |
| Lim et al. | Scenario-based 4D dynamic simulation model for in-situ production and yard stock of precast concrete members | |
| US8983817B2 (en) | Dynamic load balancing for adaptive meshes | |
| CN106650155A (en) | Large-scale vibration engineering control device optimization arrangement method | |
| US20240077062A1 (en) | Construction method of benchmark state space model for offshore wind turbine | |
| CN102663213A (en) | Method for analyzing temperature difference shrinkage effect of concrete structure | |
| CN116738707B (en) | Equivalent mechanical property prediction method and system for partial periodic heat exchanger channel | |
| Williamson | Assessing the effectiveness for thermal mass in the building envelop | |
| CN103489217A (en) | Modeling method of building based on column system | |
| CN103226643B (en) | Based on analytical approach and the system of Curved Stayed-cable Bridge dedicated analysis program | |
| Yang et al. | Optimization Method for Energy Saving of Rural Architectures in Hot Summer and Cold Winter Areas Based on Artificial Neural Network | |
| CN101266630A (en) | Large span spatial structure CAD assembly analytical method | |
| Yang et al. | Research on the Design Method of Prefabricated Concrete Structure Based on BIM | |
| CN105544725A (en) | Novel pull rod type single layer cylindrical surface greenhouse latticed shell system and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CCDI INTERNATIONAL DESIGN CONSULTANT (SHENZHEN) CO Free format text: FORMER NAME: CCDI (SHENZHEN) |
|
| CP03 | Change of name, title or address |
Address after: 518033 Guangdong city of Shenzhen province Futian District Fuhua Road No. 98 building five floor of excellence Patentee after: International Design Consultants (Shenzhen) Co., Ltd. Address before: 100013 Beijing city Chaoyang District Dongtucheng Road No. 12 Jardine Sunshine Hotel Patentee before: CSCEC International (Shenzhen) Design Consultant Co.,Ltd. |