概念：

The concept:

由MZ建筑师设计的Aldar总部有一个独特和创新的设计：一座半球形建筑，由两个圆形凸起的正面连接在一个狭窄的凹痕玻璃上。这一标志性的全玻璃结构是完全圆形的，在海拔和弯曲的所有其他方向。

The AlDar Headquarters designed by MZ Architects has a distinctive and innovative design: a semispherical building comprising two circular convex shaped facades linked by a narrow band of indented glazing. This iconic fully glazed structure is completely circular in elevation and curved in all other directions.

建筑中的圆形：

The circular shape in architecture:

圆圈象征着团结、稳定和理性。它也是无限的符号，没有起点或终点，完美，终极的几何符号。它代表了一种涵盖所有空间和时间的完整性。

The Circle symbolizes unity, stability, rationality. It is also the symbol of infinity, without beginning or end, perfection, the ultimate geometric symbol. It represents a completeness which encompasses all space and Time.

球，二维圆，被布莱誉为理想和完美的形式，因为没有任何技巧的透视可以改变它的外观。

The Sphere, the 2-dimentional circle, is hailed by Boullée as the ideal and perfect form since no trick of perspective can alter its appearance .

 Courtesy of mz architects

由mz架构师提供

受圆圈和球体象征意义的启发，建筑师们从一开始就开始在建筑设计中使用几何圆形。古希腊庙宇的圆形，不是方形或长方形，而是圆形的希腊庙宇，在希腊建筑中并不少见，后来在罗马建筑类型学中也被使用过。

Inspired by the symbolism of the Circle and the Sphere, architects have used the geometric round shape in their building designs since the beginning of time. The circular shape of the tholos, the greek temple with a round ground plan rather than a square or rectangular one, is not unusual in Greek architecture and has also been used later on in the Roman building typology.

1784年，布莱构想出了他最具象征意义的计划：艾萨克·牛顿的塞纳塔，它将以150米高的巨大球体的形式出现，它反映了宇宙，并嵌入了一个圆形的底部。然而，这座建筑仍然是素描，从未建造过。

In 1784, Boullée conceived his most emblematic project: the Cenotaph for Isaac Newton which would have taken the form of an immense sphere 150 m high, mirroring the universe, and embedded in a circular base. This structure remained however a sketch and was never built.

在整个现代建筑史上，建筑师们也一直在设计和实现圆形建筑、圆形塔楼、圆顶和球体，尤其是在行星和剧院的发展中所使用的圆顶和球体。在传统的建筑立面和屋面平面图中，一直采用圆形。然而，没有人试图建造一个完全圆形的建筑。这样的想法通常会在草图上留下。

Throughout the modern history of architecture, architects have also been designing and realizing circular-based buildings, round towers as well as domes and spheres used notably in the development of planetaria and theatres. The circular shape has always been used in the ground and floor plans with the traditional building elevation and roof. However, no one has attempted to build a structure completely circular in elevation. Such an idea would normally be left on sketches.

 Courtesy of mz architects

由mz架构师提供

阿尔达尔总部形状的诞生：

The birth of the AlDar HQ shape:

由MZ建筑师设计的Aldar总部有一个独特的和创新的设计，它的圆形凸形立面给它一个突出和独特的正面高度。这一标志性的全玻璃结构是完全圆形的，在海拔和弯曲的所有其他方向。

Aldar HQ designed by MZ Architects has a distinctive and innovative design of this kind; its circular convex shaped façade gives it an outstanding and unique frontal altitude. This iconic fully glazed structure is completely circular in elevation and curved in all other directions.

当面临在Al Raha海滩上建造标志性建筑的挑战时，Marwan Zgheib决定创建一座简单的建筑，既具有古典建筑的平静、理想的美，又具有相当的表现力，这座建筑将与阿联酋的标志性建筑竞争，为该地区创造一种场所感和认同感。

When challenged to create an iconic structure on Al Raha beach, Marwan Zgheib decided to create a simple building that would possess the calm, ideal beauty of classical architecture while also having considerable expressive power, a building that would compete with the iconic architecture of the UAE and create a sense of place and identity for the area.

为了达到这一目的，中卫首先必须在规律性概念的指导下，从自然形态中进行选择。因此，他受到了蛤蜊壳的启发，这种贝壳对阿布扎比的航海遗产有着深刻的意义，以及几何图形的象征意义，他还设想出两堵巨大的圆形弯曲玻璃墙，映衬着开放的蛤蜊壳。

To attain this end, Zgheib first had to select from natural forms, under the guidance of a concept of regularity. Accordingly, he was inspired by the clam shell which has deep meaning for Abu Dhabi with its seafaring heritage, as well as the symbolism of the geometric round shape, and imagined two giant circular curved walls of glass mirroring an open clam shell.

一个非常纯粹的几何设计诞生了，但大胆的设计：一个圆形的摩天大楼，一个弯曲的玻璃皮覆盖了四个足球场的面积。

An extremely pure geometrical but daring design was born: a round skyscraper with a curved glass skin covering the area of four football fields.

 geometry sketches

几何草图

谐波比例：

The harmonic proportions:

要使这个庞大的循环概念生机勃勃，视觉稳定性、和谐性和动态性是至关重要的。立面的真正挑战是找到建筑应该在地面上构成的两点-为此，建筑体积的发展首先使用了建筑中最古老的规则之一：基于黄金分割的比例规则。

To bring the massive circular concept to life, the issues of visual stability, harmony and dynamism proved to be crucial. The real challenge of the façade was to find the two points where the building should pose on the ground – and for that, the development of the volume began by using one of the oldest rules in architecture: the rule of proportion based on the Golden Section.

“黄金分割”不仅是艺术家重要的审美比例，而且是一种无所不在的导致结构分化的宇宙法则。事实上，这一比例出现在大自然的作品中(如人体、动物、植物和水晶的身体)，并自然被人类的头脑和眼睛所偏爱。希腊庙宇的比例反映了黄金分割令人愉悦的审美比例。

The golden section is not merely an aesthetic proportion important to artists, but an omnipresent cosmic principle that induces structural differentiation. Indeed, this ratio appears in the works of nature (such as the human body, the bodies of animals, plants and crystals) and is naturally preferred by the human mind and eye. The proportions of the Greek temple reflect the pleasing aesthetic ratio of the golden section.

当将黄金分割比率应用于建筑物的圆形表面时，圆圈被分成五方格星，在五边形的五个点上，人体与头部和四肢并置。因此，建筑师能够找到圆形立面的两个稳定点；圆圈的两个点，建筑将与地球相遇，从而创造完美的平衡。

When applying the golden section ratio to the circular façade of the building, the circle was divided into a pentagram, on which the Human Body is juxtaposed with head and four limbs at the five points of the pentagram. Accordingly, the architects were able to locate the two points of stability of the circular facade; the two points of the circle where the building will meet the earth thus creating the perfect balance.

这些准则创造了建筑物的初始聚集和动态形状。

These guidelines created the initial massing and dynamic shape of the building.

 elevation 02

elevation 02

屋面与屋顶的融合：

Fusion of the façade and the roof:

与传统的四面建筑不同，圆形建筑通过对典型屋顶结构的质疑，对施工方法提出了挑战。这座三面建筑依靠其拉链状的元素，一个连续的玻璃和结构带，将两个主要方面缝合在一起，创造了一个细长的连续表面，它是垂直的和水平的，侧面和面，窗口和屋顶。这个横向元素，这个项目的结构“骨干”，巧妙地创造了立面和屋顶之间的融合，并允许物体的整体形状。

Unlike the conventional four sided buildings, the circular building challenges the approach to construction by questioning the typical roof structure. This three faceted building relies on its zipper-like element, a continuous glass and structural band that stitches the two main facets together, creating a slim continuous surface that is both vertical and horizontal, side and face, window and roof. This lateral element, the structural ‘backbone’ of the project, brilliantly creates the fusion between façade and roof and allows for the monolithic shape of the object.

 ground floor plan

正面曲率：

The facade curvature:

这座建筑的引人注目的形状是通过使用一个外部的三角形结构-一个对角线的钢网格来实现的。这是阿联酋的第一次，它允许创造结构效率和稳定性适合圆形建筑比传统的矩形形式更大的灵活性。该系统不仅有助于尽量减少钢框架对立面的影响，而且还作为一种建筑元素，模糊了所有的尺度感，使结构膨胀，远离了影响该地区大多数高层建筑的正面的典型水平分层。这种对角线系统消除了对内部列的需求，这将损害审美吸引力以及来自内部的观点。这提高了大楼的效率，为租户提供了灵活的布局。虽然只有23层楼，但这座建筑的建筑面积与一个典型的40层楼高的塔楼相同。

The striking shape of this building is achieved through the use of an external structural triangular diagrid – a diagonal grid of steel. The first of its kind in the UAE, it allowed the creation of structural efficiency and stability appropriate to the circular building with greater flexibility than a conventional rectangular form. The system not only helped minimize the impact of the steel frame on the façade but also served as an architectural element that blurred all sense of scale and inflated the structure, moving away from the typical horizontal stratification of the facades that influenced most high rises in the area. This diagrid system eliminates the need for internal columns which would compromise the aesthetic appeal as well as the views from within. This improved the building's efficiency, providing layout flexibility for tenants. Although there are just 23 floors, the building has the same floor area as a typical 40-storey tower.

弯曲的玻璃皮成为其执行的最复杂的组成部分之一。为了解决曲面曲率的挑战，三角形的平板玻璃组合成钻石状的形状，像拼图一样与皮肤的对角线和高度复杂的几何图形结合在一起。

The curved glass skin became one of its most complex components to be executed. In order to solve the challenge of the façade curvature, triangular pieces of flat glass combined into diamond like shapes, came together like a puzzle working with the diagrid and the highly complex geometry of the skin.

作为总体规划的一部分，这座圆形建筑面向西-东高地的道路，允许在玻璃中看到日落和日出。玻璃外墙不仅反映了项目的周围环境和它诞生的生机勃勃的新城市，而且还允许一个人在更大的宇宙中面对自己的反射和形象。

As part of the master plan, the circular building faces the road on a west-east elevation, allowing both the sunset and sunrise to be visible in the glass. The glass facades do not only reflect the project’s surrounding and the vibrant new city in which it was born but also allow one to face his own reflection and image in the much larger universe.

该建筑的可持续战略：

The building’s sustainable strategies:

该项目是按照美国绿色建筑委员会LEED评级系统开发的。它是阿布扎比第一座生态友好的官方建筑之一，由钢、混凝土和玻璃等可循环利用的材料组成，包括一个地区冷却工厂，以及高效的照明和供水系统。该建筑最大限度地利用自然光，会议区和办公室分布在每一层的周边。一个地下自动真空废物收集系统也被纳入，以重复利用所有的废物产品的建筑物。这种系统在阿布扎比是第一种，它直接将垃圾收集到当地的废物转运站进行回收和压缩。

The project was developed in line with the US Green Building Council LEED rating system. It is one of the first eco-friendly official buildings in Abu Dhabi, which is made up of recyclable kind of materials like steel, concrete and glass, and includes a district cooling plant, as well as efficient lighting and water systems. The building maximizes natural light, with meeting areas and offices spread around the perimeter of each floor. A subterranean automated vacuum waste collection system is also incorporated to reuse all the waste products of the building. The first of its kind in Abu Dhabi, the system sucks rubbish directly to a local waste transfer station for recycling and compacting.

这项工程是在考虑环境因素的情况下完成的，现在它能够获得美国绿色建筑委员会最低的LEED银奖。该建筑的效率被归类为82%，使其成为最有效的建筑面积设计。

This construction was completed by keeping the environmental factors in mind, now it is capable to achieve the lowest LEED silver rating award by US Green Building Council. The building's efficiency is classed as 82%, making it the most efficient design for the floor area.

 Courtesy of mz architects

由mz架构师提供

Architects MZ Architects

Location Abu Dhabi - United Arab Emirates

Category Institutional Buildings

Project Year 2010

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