產業新聞

產業新聞BIM模型的應用

摘 要:BIM模型做為BIM項目流程中的重中之重,其用途遠不止看著好看這麼簡單,因為模型中反映了大量的數據,只有對這些數據進行有效的管理和運用,才可以實現節約成本、算短工期的最終目的。

 

眾所周知,BIM模型中含有建物的空間關係、組件數量,甚至施工順序、價格等,BIM除了本身是一個模型外,內含的信息亦可拿來做檢核及計算,所以說BIM模型不只是為了好看而去設計的,不是為了模型而模型。那現在說下BIM模型的用途?

 

  (一)創意展現與視覺溝通

 

  創意來自設計者的靈感,將這些創意以3D設計完整展現出來,模型是可視化溝通的橋樑,有別於以往2D 圖的比手畫腳,3D模型的真實性,直觀的表達,讓模型信息的展現更符合人的直覺,更清楚地了解建造物的空間關係。

 

  (二)構件碰撞檢查

 

  衝突檢查的效益主要應用在機電管線,其可分為電力、電信、空調排煙、給水、消防及排水等項目,依色彩表定義各管線的顏色,便於辦識BIM模型管線的排列與衝突狀況,透過組件衝突的檢查與排除,有助於施工的進行,如期如實地完成建造。

 

  (三)空間關係檢查與數量計算

 

  BIM模型中的尺寸與建物是一模一樣的,利用這些信息,可運用於設計時間檢核,是否滿足法規的要求,如綠建築中的開窗比例、建照申請時的容積率與建蔽率、樓梯階梯檢查、樓層淨高檢查、人員逃生路線步行距離檢查等等。BIM模型運用於數量計算方面,具有減少數量計算錯誤與漏項問題產生之優勢。

 

  (四)4D 施工順序仿真

 

  4D施工模擬之技術,主要是將3D 模型加上時間維度,於施工前詳細的規劃,以確保後續施工的流暢性,針對困難案例時,4D技術能更準確、更快速地輔助決策,大幅降低發生問題的風險。運用於營建管理,4D模型亦可作為施工進度控管的平台,以可視化呈現預訂進度與工地回饋的實際進度差異,提出預警,幫助工程師研討問題的解決。

 

  (五)設施管理

 

  BIM改變建築的設計和施工方式外,它也改變建築的營運和維護方式,將設施管理納入BIM模型,當碰到問題時,這些物業管理人不需太費力就能得知整棟建築從內到外的各種信息。例如維修管線出了問題,由模型中查得管線尺寸、歷次的維修紀錄及相關手冊,立即通知維修人員處理。藉由BIM模型的輔助、信息系統的導入,使得建物信息透明化,提升管理效率及維修的時效,以達建物的永續經營。

 

  BIM模型有哪些用途,從以上幾點我們可以清楚的看到。BIM模型做為BIM項目流程中的重中之重,其用途遠不止看著好看這麼簡單,因為模型中反映了大量的數據,只有對這些數據進行有效的管理和運用,才可以實現節約成本、算短工期的最終目的。

 

文章出處:http://www.chinabim.com/school/knowledge/whatisbim/2015-03-06/10383.html

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