本项目位于洛桑与日内瓦湖附近的某居民区中，地块上曾坐落着一栋由两套公寓组成的城市别墅，如今该别墅已被拆除。巧妙的建筑形式与对当地规范的合理研究，使重建后的住宅能够容纳三套公寓，其中一套为建筑师专门为业主设计的三层公寓。当地规范中明确规定了住宅层的层高，并允许在建筑中搭建阁楼空间，建筑师因此能够为本项目增加一个楼层，从而使居住者获得额外的生活空间。圆弧形的形态则旨在使该建筑从洛桑周边住宅区混杂且平庸的建筑环境中脱颖而出。
Located in a residential area close to Lausanne and Lake Geneva, this plot was previously occupied by an urban villa comprising two apartments, which was demolished. This new residential building houses three apartments, including a triplex apartment intended for the owner, thanks to its optimal use of form and building regulation compliance. These regulations specify ceiling heights and permit an attic, interpreted formally here to add a storey and therefore gain additional living space. The rounded form is a reaction to the motley, mediocre context of this residential district on the periphery of Lausanne.
▼项目概览，overall of the project © Michel Bonvin
设计旨在为建筑打造出独特、自主，且具有一定标志性的形象。由椭圆变形得到的卵形平面，有利于在南向布置客厅空间，并为客厅创造出旷阔的湖景视野。独特的形式同时也减弱了建筑给后方的邻居带来的视觉冲击力，并让后方住宅的客厅获得了额外的景观视野。
The aim was to create a distinctive, autonomous object that would be easily identified. The oval was distorted to become an ovoid with proportions that favour southerly-aspected living rooms enjoying views over the lake. This template also limits the visual impact for neighbours to the rear who have gained additional views from their own living rooms thanks to the new building shape.
▼主入口立面，entrance facade © Michel Bonvin
根据建筑的整体形态，建筑师合理构建并定制了其承重结构，弧形的外立面则由一系列小型填充元素构成。从外观上看，建筑的混凝土框架清晰可鉴，预制体块的垂直线条与梯形轮廓创造出一种有趣的光影游戏，并进一步强调曲线的错觉。楼板的外端与预制的垂直结构采用了相同的形态，并于现场浇筑完成，两者之间形成的“沙堆效应”使建筑整体更加和谐完整。由结构元素组成的矩阵框架由一系列灰色预制板或玻璃填充完整。暴露出来的原始材料与建筑的形态以及其复杂的居住功能形成对比。
The building shape is rationally constructed with a bespoke load-bearing structure, its curved appearance created by filler elements arranged on the facets. The concrete skeleton is readable on the façade, its prefabricated vertical elements with their trapezoidal profile creating a play of light that accentuates the curve illusion. Their sand-effect finish harmonises the ensemble: the outer ends of the floor slabs, which were cast in place, are finished in the same way. This structural matrix is then filled with prefabricated grey-shaded wood panels or glazing. The choice of raw, exposed materials contrasts with the sophistication of the building shape and the accommodation.
▼混凝土结构暴露在外，
the concrete structure is exposed © Michel Bonvin
竖向空间的组织是本项目设计的关键，巧妙的设计回应了当地规范中的各种限制。与位于前部的客厅不同，容纳了卧室的建筑后部天花板高度保持在最低，而客厅则宽敞通透，并享有日内瓦湖的美丽景色。起居空间与睡眠空间之间由几步台阶分隔。前高后低的设置为建筑预留出一个服务楼层，让建筑师能够在阁楼露台上设置一处热水浴缸。在平面布局方面，由于地块面积相对较小，其宽度无法满足标准的中央走廊、两侧房间的布局形式，因此，建筑师将楼梯排布在建筑的一侧，并使其沿着整个立面长度延伸。
Sectional organisation is key to the design, resolving various constraints here. The rear section with the bedrooms, where ceiling height is kept to the minimum, is clearly distinct from the living rooms to the front, which are generously sized, with views over Lake Geneva. A few stairs separate the living area from the sleeping area. This configuration also permits the addition of a service floor in order to create a hot tub on the attic terrace. In floor-plan terms, since the ground plot is relatively small, the available width does not permit the standard arrangement of a central circulation area with rooms on either side. The staircase therefore extends along the entire length of the façade.
▼楼梯，staircase © Michel Bonvin
室内空间中，裸露的原始混凝土材质再次出现在人们眼前，外墙内侧采用砂面处理，内部承重墙和隔墙采用了传统的框架结构与饰面板。工艺精湛的定制橱柜界定了空间的结构，并通过三条曲线融入到平面布局中，使独特的平面形式变得适宜居住。精致的橡木细木工都是为这些曲线元素量身定做的，木材的材质延续了混凝土模板的节奏。这两种材料结合在一起，为住宅内的所有功能空间营造出适宜的空间氛围。
Internally we again see raw exposed concrete, sand-finished on the outer walls and with traditional formwork using planks on the internal load-bearing and partition walls. Precise, bespoke cabinetmaking lend structure to the spaces and make this unusual shape habitable via three curves, incorporated in the floor plan. Faceted oak fittings are tailored to these sinuous lines, picking up the rhythm of the concrete formwork. The two materials combine to accompany every function within the accommodation.
▼南向客厅，living space facing to the south © Michel Bonvin
▼厨房，kitchen © Michel Bonvin
本项目的设计策略充分利用了公寓内倾斜天花板下的空间，进而释放了建筑每个楼层的面积，该理念也在LOCALARCHITECTURE此前的住宅设计中也得到了充分的验证。本项目从外部形式到内部空间都展示出建筑的独特性，每间公寓都是独一无二的的，建筑的精神无处不在。
This design concept, already deployed by LOCALARCHITECTURE in previous residential designs, frees up a large surface area on each floor and utilises the space under the sloping ceiling within the apartments. From its external form through to its internal spaces, this building has a specificity that makes it highly distinctive. Each apartment is unique, and the architecture is omnipresent.
▼书房，study room © Michel Bonvin
▼阁楼卧室，bedroom on the mezzanine © Michel Bonvin
▼卧室，bedroom © Michel Bonvin
▼总平面图，master plan © LOCALARCHITECTURE
▼底层平面图，ground floor plan © LOCALARCHITECTURE
▼一层平面图，1f plan © LOCALARCHITECTURE
▼二层平面图，2f plan © LOCALARCHITECTURE
▼三层平面图，3f plan © LOCALARCHITECTURE
▼阁楼平面图，mezzanine plan © LOCALARCHITECTURE
▼立面图，elevations © LOCALARCHITECTURE
▼剖面图，sections © LOCALARCHITECTURE
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