臺灣博碩士論文加值系統

整合建築資訊模型(Building Information Modeling, BIM)與結構設計之概念，利用3D建模專業軟體Tekla Structure 17.0 作為BIM平台，與結構力學分析軟體SAP2000作整合，使用Tekla Structure建立模型，設定斷面資料、材料性質以及設計規範後，傳至SAP2000作力學分析以及結構設計，再將設計結果傳回Tekla Structure同步建築模型。

本研究案例為在X、Y方向各輸入一倍El Centro地震外力進行力學分析，並以容許應力法AISC-ASD 89來做結構設計，設計完成後以十二種方式加裝液流阻尼器，並以五倍El Centro地震外力進行分析，比較其頂樓Z軸上的點6其X方向上的位移、速度以及加速度之控制率。

Tekla Structure此套建築資訊模型平台軟體於建立簡單結構上可完整整合，其梁、柱、板與SAP2000之間傳輸無虞，惟結構中含有特殊元件，如：液流阻尼器時，阻尼器無法傳至Tekla Structure，須自行建立之。案例研究之結果以案例五裝設阻尼器效果最佳。

SUMMARY

This integrates the concept of Building Information Modeling, (BIM) and structural design, using 3D profession modeling software Tekla Structure as the BIM platform to conform the software of structural mechanic analysis SAP2000.Tekla Structure is used to establish structural model, section information, material character, and standard of design. Then, the model is transmitted to the input of SAP2000 for the mechanical analysis and structural design. The result is returned to Tekla Structure to synchronization structural models.

Keywords: building information modeling, structural design, structural analysis, fluid dampers.

INTRODUCTION

There are a lot of high buildings in Taiwan. Taiwan is on the site of seismic zone. In this research, using building information modeling to analysis and design of a ten story building which is installed by damper system after structure is well designed. And then the efficiency of the damper installation policy is discussed.

Use Tekla Structure as building information modeling platform software, SAP2000 as mechanic analysis software. The model is subjected to El Centro earthquake in X and Y directions. The allowable stress method AISC-ASD 89 is selected as the structural design specification in the SAP2000 iteration design procedure. Additional aseismatic design is then performed by the installation of dampers in various policies by checking the displacement, velocity, acceleration, and control rate in the X-direction of the top floor for each of the cases.

Tekla Structure, a building information modeling platform software on the establishment of a simple structure can fully integrate, beams, columns, and plates, and then transmits into SAP2000 without problems. If the structure contains special components, such as fluid dampers, it cannot successfully transmit directly to the Tekla Structure, but should be established by ourselves. The most efficient way to install damper in this case as concluded is setting the dampers at the fifth floor.

MATERIALS AND METHODS

In the case, Tekla Structure is used to model a ten story building, with 30 meters in total height and 3 meters height for each story, both of width and length in X- and Y- directions are 4 meters, as shown in the Fig. 1. Both of beams and columns are 100X100X6X8’s wide-flange cross section by A36 steel. The thickness of concrete plate at each floor is 20 centimeters and 280kg/cm²is selected as the yielding stress of the concrete.

Figure 1. Schematic diagram



The software package SAP2000 is used for the structural analysis and structural design. The ten story building is assigned to subject the 1940 El Centro earthquake both in X- and Y- direction. Columns and beams for each of the floors are group assembled. AISC ASD89 specification is selected in the design work.

As the building is well designed dampers are installed in various policies on the building for the purpose of aseismatic. Totally 12 cases of installation policies are considered. For each of story, individually, two dampers with damping coefficient C as 2000kN-s/m’s are installed in X- and Y- directions. That will give us ten cases. The other two cases come from raw building and install 200kN-s/m’s damper uniformly at every floors both on X- and Y- directions. According to the result obtained in these 12 cases, another case by install 1000kN-s/m’s dampers on 5th and 6th floor as the 13th case is also analyzed for comparison. In addition, in the 13th case, input load is considered as 5 times of the El Centro earthquake.

RESULTS AND DISCUSSION

A ten story aseismatic building is designed by means of building information modeling platform. Computer software package SAP2000 and Tekla are linked for the purpose done. Various installation policies by viscous dampers are applied after the ten story building is well designed.

Results are presented in natural frequencies and the displacements, velocities and accelerations at the roof point, with the comparison and control efficiencies of each cases.
Figure 2. Displacement time history of raw building


CONCLUSION

1. Experience of using BIM (building information modeling)

The basic concept of BIM, the work presented is belongs a part of BIM’s application. Here are some of the experiences and ideas about this system.

Tekla Structure is a valid software to model the considered buildings and structures. It is really convenience to establish the models of structures with complicated elements. But it still do not capable to model some of the special structural elements such as damper, isolation support… etc. That is why it fails to link the SAP2000’s design result returns to Tekla platform.

SAP2000 is one of a popular structural analysis software with powerful analysis and design functions. But it still cost time to define the structural elements for complicated structures.

2. Investigation of control efficiency

The control efficient when dampers are installed is investigated for the presented cases.

Results show, as for the presented cases, when the dampers are installed on the 5th floor, it gives the best control results.

目錄
中文摘要 I
英文延伸摘要 II
誌謝 VI
目錄 VII
表目錄 X
圖目錄 XI
第一章 緒論 1
1.1 前言 1
1.2 研究動機及目的 1
1.3 研究方法及本文內容 2
第二章 文獻回顧 4
2.1 建築資訊模型(BIM)的介紹 4
2.1.1 BIM的定義 4
2.1.2 使用BIM的優勢及益處 5
2.1.3 BIM所使用的程式及工具 7
2.1.4 BIM的未來發展方向 8
2.2 液流阻尼器的介紹 9
2.2.1 液流阻尼器的構造 10
2.2.2 液流阻尼器的基本理論 10
第三章 分析理論與設計規範 13
3.1 有限元素法 13
3.1.1 有限元素法簡介 13
3.1.2 有限元素法之分析步驟 13
3.2 動力分析 14
3.2.1 振態分析 15
3.2.2 直接積分法 16
3.3 鋼結構設計-容許應力法 16
3.3.1 容許應力法之設計理念 16
3.3.2 容許應力法之設計方法 17
3.3.3 鋼結構設計流程AISC─ASD89 25
第四章 程式架構與操作 32
4.1 BIM工具軟體連結概況 32
4.2 TEKLA STRUCTURE 軟體介紹 33
4.2.1 Tekla Structure使用流程介紹 33
4.2.2 Tekla Structure建模功能說明 35
4.2.3 分析/設計模型 42
4.3 SAP2000 軟體介紹 43
4.3.1 SAP2000軟體簡介 44
4.3.2 SAP2000功能介紹 44
第五章 案例探討 53
5.1 案例設定 54
5.1.1 Tekla模型設定 55
5.1.2 設定分析模型並選擇設計規範 56
5.1.3 分析外力之設定 57
5.1.4 結構設計之設定 60
5.2 分析/設計結果 62
5.2.1 執行結構分析/設計 62
5.2.2 新增液流阻尼器之案例分析 63
5.2.3 取得分析結果 65
5.3 各案例分析結果比較 65
5.4 資料整理 81
第六章 結論與建議 83
6.1 結論 83
6.2 建議 86
參考文獻 87

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