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電腦製圖模擬建築

本港現正有很多大型建造工程正進行得如火如荼,包括港珠澳大橋、西港島及高鐵香港段等。建築本身是一門很複雜的過程,它並不像手機遊戲App般只要在畫面上做個 drag & drop(拖曳)的動作,然後就會「自動波」的建設起來。 CADD電腦輔助設計與製圖 當IT與建築走在一起的時候,相信大家都會即時聯想到CADD,即是Computer-Aided Design and Drafting(電腦輔助設計與製圖)。CADD的製圖,簡稱「CADD圖」,是一個工具將一些設計概念具體地表達出來。我們日常生活當中都接觸到CADD圖,當中一個例子便是室內設計,設計師會利用CADD圖與客戶溝通有關裝修工程的要求及設計。 一個住宅單位的室內設計當然不可和大型建造工程同日而語,因為後者涉及不同步驟及層面,其複雜程度遠比室內設計高出多倍。筆者雖然不是建築界人士,但都可以想像到一座建築物(例如大廈及鐵路)本身有好多組成部分,而每一個部分都有很多層次,譬如鋼筋、樁柱、內外牆身、電線水管冷氣等等。當中要處理很多的CADD圖,各張CADD圖本身都有其設計。要將所有設計圖去組織及天衣無縫的連接起來,要花上很多時間、人力及物力去溝通,記錄及確認。還有一個情況必定會發生的就是當中涉及很多改動。在實施建造時,實際情況很多時會發現跟原先的設計有出入,其中一個原因就是工程師要憑自己對建築物及工地所掌握的資訊去設計,當中少不免會有一些偏差,但一個小小的偏差足以影響很多部分的改動,繼而影響整體施工進度及預算。 BIM「建築信息模擬」 BIM的英文全名是Building Information Modeling,中文稱作「建築信息模擬」。其意思是將所有有關該項建造工程的資訊放在一個數碼模型內。它是一個創新科技,利用數碼模擬程序,將建造工程的演變過程內各項數據以立體模型及實時形式展示出來。其好處是以模擬模型預早顯示出相關工序的風險,讓建築師、工程師和建造業界人士之間作出有效的溝通,對建造工程作出及時的修正及優化。 BIM技術已經應用於很多建築項目上。根據網上資料顯示,本港的蘇屋重建項目、洪水橋公屋項目,以及台灣和上海的鐵路工程項目,均有使用該技術。另一方面,近年一些專業學院的建築 Q3A  課程均加入了BIM的元素,讓有興趣人士可以進一步掌握這門技術的應用知識。 -資訊科技服務管理協會(itSMF)香港分會主席繆正維

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來源

Recruit 24-01-2014

原文

There are many on-going large-scale construction projects in Hong Kong, which include the Hong Kong-Zhuhai-Macao Bridge, West Island and XRL, etc. Construction is a very complex process, you cannot just drag and drop on the screen like mobile gaming, nor there are any “automatic mode”.

CADD Computer Aided Design and Drafting

When IT and architecture go together, I believe we will immediately associate CADD, that is, Computer-Aided Design and Drafting.  CADD drawing is a tool of some design concepts specifically expressed. We can often see CADD drawings in our daily life, one example would be interior design.   Designer uses CADD drawings to communicate with customers regarding renovation and design requirements.

The effort of a residential unit’s interior design, of course, cannot be compared with the effort of large construction projects, because the latter involves different steps and level of complexity of countless times higher than interior design . Even though I am not an architectural profession, still able to imagine that there will be a lot of components within a building/railway, and each component has a lot of levels, such as reinforcement, piles , internal and external walls, air-conditioning pipes, wires, etc.  There are many CADD drawing to deal with, and each CADD drawing has a design. Much time, manpower and communication, record and confirmation are required in order to organize these designs seamlessly. A situation will always occur: there must be many changes.  In the construction process, discrepancies between with the original design is often found, one of the reason is that engineers has to design according to his experience of gathering information of the construction and the site, which inevitably lead to small deviation.  But in fact, small deviation can affect many parts of the changes, which in turn affect the overall construction schedule and budget.

BIM (Building Information Modelling)

“BIM” is the abbreviation of Building Information Modelling, which means all the information relating to the construction works on a digital model.  It is an innovative technology , which uses digital simulation program to visualize the evolution of all building information of a project in a real time basis. The benefit of such simulation model is that the risk associated with the construction process can be shown in the pre-construction stage, which allow architects, engineers and constructors to communicate effectively, and make timely amendments and optimization.

BIM technology has been used in many construction projects. According to online information, projects like the So Uk Estate reconstruction, Hung Shui Kiu public estate, and the Taiwan and Shanghai railway project, all employ BIM. On the other hand , in recent years, a number of professional institution added BIM architectural elemental to their module, so that interested parties can have a better understanding of this technology.

- Peter Miao – Chairman, IT Service Mangement Management Forum (itSMF) Hong Kong 

(English Translation by Form.Welkin)

相關應用

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來源

Recruit 24-01-2014

原文

January 30, 2014

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