南方洪灾告急,这些建筑给我们带来防灾灵感 首
2020-07-02 17:12
北方还未从新冠肺炎疫情中爬出来,南方又不得已一脚踩进了洪灾中。有人说今年南方的洪灾是静悄悄的,甚至都上不了微博热搜的前列,但太多的数据却逼着我们正视:24 个省市,850 多万人受灾,18 万人需要紧急的生活救援,灾情已经十分严重。
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早在疫情还未松懈的 3 月 28 日,浙江、福建、江西、湖南等 6 个省份就开始出现强降雨。进入 6 月后,暴雨更是从未停歇,整个南方笼罩在一片阴雨中, 148 条河流发生了超过警戒水位以上的洪水,24 个受灾省市一次次传来预警与求助讯号。
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截止到 6 月 15 日,广东、广西、湖南、江西、贵州、重庆等 24 个省市共有 852.1 万人陷入洪灾,49.5 万人被紧急转移,18.7 万人需要生活救助,7300 多间房屋倒塌,13.8 万间受损,直接经济损失高达 206.7 亿元。
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洪水可以说是每年夏季的魔鬼,频频到访,人类却无可奈何,只能眼看着财产或生命被冲刷走,年复一年。天灾无法避免,人类能做的十分有限,纵观世界范围内,在建筑上下功夫算是略微有效的方法。不少建筑设计师都会在雨水频发地区进行建筑实验,今天我们分享的这几个建筑,希望能带来一些与洪水抗争的灵感。
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NISHIZAWAARCHITECTS
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这栋木材结构的房子地处湿热的热带——越南南部的安江省朱笃市郊区,从越南第一大城市胡志明市前往此地需要大巴转渡船约 7 个小时。这座小城依着湄公河的支流而生,每年有 4、5 个月的雨季,洪水的频繁程度可想而知。
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为了适应气候和满足席地而坐的生活习惯,当地的房屋设计做出了不少妥协。底层是石头或混凝土的柱子形成的架空空间,柱子往往刚刚高过洪水水位。这也是当地人民从自然生活中磨砺出的智慧。
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借鉴了当地的建筑风俗后,这个阑干屋被创新得更像是一个半户外的小花园。屋顶奇思妙想般从正三角形变幻成倒三角形,如蝴蝶展翅,将室外的新鲜空气“扇”进室内。
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窗户也开得足够“大方”,一扇扇落地窗可旋转,让最舒适的阳光和清风涌进室内。当地的房子在遭遇洪水后,地面往往会堆积满家禽家畜的粪便和其他废弃的杂物,不忍直视,若没有良好的通风条件,再好的家也能秒变地狱。
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同时,房子里的实墙被活动隔断取代,这让面积不大的房子空间变大,也利于采光和通风。这一系列的操作都缩短了屋内屋外的距离,让家和自然浑然一体,扩展了生活空间。
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现在在越南,越来越多无明显地域化的建筑风格正逐渐崛起,现代化的,充满想象力的房子将会越来越多,形成新的建筑文化与风格。
Low Design Office
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位于美国得克萨斯州的瓜达卢佩河是当地有名的漂流娱乐圣地,依着河岸也建起了不少专门悠闲度假的住宅。这座清新自然风的房子隐藏在小路的尽头,与周围的树木相依相存,给来此度假的一大家人提供最为放松的环境。
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瓜达卢佩河的流量主要是由上游的大坝控制的,若非极端天气也并不会失控,但为了应对气候无常的变化,房子的底部依然是架空的,比平时水位再高 4 米的洪水水位也能轻松应对。
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在居住体验的设计上,这栋房子也是可圈可点。两个矩形房屋组合成现在的这个大房子,根据河流景观的位置和树木的生长状态,房子可以转换朝向,这种旋转式的空间布局让生活空间和走道门廊由静态的建筑变为了动态的生活乐趣。
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房屋门窗采用了大面积的玻璃结构,午后的阳光钻过森林中重重叠叠的树影落在建筑立面上、窜进房屋内,整个生活空间都变得通透明朗。自然通风和遮阳设计同时也能提高房子的能源使用性能,居住其中,感受真正的环保生活。
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像在游轮上一样享受生活
John Pardey Architects (JPA)
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这座名为 Narula House 的房子位于泰晤士河的支流旁,离水源很近,而且地处洪水区。但屋主希望能在这样一个位置拥有一套可以俯瞰河景的住宅招待朋友,因此如何解决雨季的危机成为 JPA 建筑工作室首先需要思考的问题。好在这是他们在洛登河岸边修建的第三座住宅,已十分熟悉该地的潜在洪水深度。
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JPA 工作室采用了钢柱作为底部基础抬高整个建筑,在雨天和艳阳天,屋底可以作为通透的停车场。洪水到来时,Narula House 则像踩了高跷一样站立在水中,居住在屋内如同悬空在河流上,洪水成为河上生活的一部分,“在洪水泛滥的日子里,他们就像在游轮上一样享受生活!”
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Narula House 朝向东南,几乎与河流平行,避开了对角线方向,既能在一定程度上减轻洪流的冲击,也恰好能完整欣赏到河岸风光。
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整个建筑采用了栗木色立面,半透的防腐涂层使它富有光泽,又能对抗潮湿气候。这种浅色的装饰风格也延续到了屋内,与窗外翠绿的森意相得益彰。
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房子的西侧有一个开放式的起居室,河景如同家中的一幅挂画,又好像居住空间就在小河边,室内室外的边界融合到了一起。这个起居室被一个伸出屋顶范围的阳台遮挡,夏日也清凉。
OSK Architects
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墨尔本的这所 Seddon House 本坐落在一个废弃的市中心停车场,经过改造后变成了三代人的新家。这座房子最吸引人的便是巨大的屋顶,这个波纹金属的屋顶像是被一只大手从上往下折叠了一样,盖住整整一层楼,使整个 Seddon House 看起来就像单层住宅。
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只有走到侧面,才能看见二楼的身影,OSK 负责人本·沃特斯(Ben Waters)表示:“让建筑从不同的尺度、不同的角度被解读,是该项目真正的挑战。”
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这个巨大的屋顶除了在设计上引人瞩目,还有许多重要身份。它全年掌控着家中的光照和温度、使房屋通风、容纳太阳能电池板和收集雨水。当地也是频繁受洪水侵袭的区域,大屋顶的集水作用可以帮助导流。
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除了屋顶应对洪灾,建筑材料也不马虎。整个建筑用工程混凝土板建造,能一定程度上抵挡洪荒之力。Seddon House 也有螺旋桩脚,通过它将自身抬高到超过历史洪水水位的高度。
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Bates Masi Architects
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以莫希干人部落的“海洋”一词命名的 Kihthan house 坐落在纽约长岛的海滨村庄 Sagaponack,其所处位置较高,能一览田园风光与海洋之景,但洪水依然是该地区的巨大威胁。
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与洛登河旁的 JPA 工作室一样,建筑师 Bates Masi 也在房子底部搭起了支架。不同于简单的钢柱,Kihthan house 建筑里面的雪松木结构一直从顶端落到地面,形成镂空的屏障,从外侧甚至不易看出房子处于架空状态。
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这些镂空的立方体分割了建筑,洪水到来时,可以在房屋周围流动,也降低了“沿海洪水的水动力压力”。Bates Masi 解释道,“房屋可以安全地栖息在上面,洪水不再具有威胁性,只是一个周期性的事件。”
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Kihthan house 设计有玻璃桥结构和大面积的玻璃落地窗,被淹没时可以围观洪流涌动,干旱时期也有植物可以欣赏。建筑设计团队“通过在建筑与自然之间建立一种同质的关系,使人们不断地想起它们所处的位置。” “自然元素被邀请到家中,从而成为了日常生活的一部分。”
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Zaha Hadid Architects
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在德国汉堡易北河畔的 Niederhafen 有一条长约625 米的防洪屏障,这道屏障修建于 1964 年至 1968 年间,起因是 1962 年发生的一起风暴潮导致了 315 人死亡和 6 万居民流离失所。这道屏障从此开始保护这座城市,最高可以抵御 7.2 米高的洪水。
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进入 21 世纪后,现代水文和计算机模拟出防洪屏障需要再增高 0.8 米,再加上各种老化问题,最后由扎哈·哈迪德建筑事务所完成 Niederhafen 防洪屏障的大变身。
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扎哈·哈迪德建筑事务所在防洪屏障上雕刻出浅灰色花岗岩的台阶,行人可以步行至此,坐下看河流与落日,很简单的行为却是这座城市专属的浪漫。从空中俯瞰,浅色台阶与外层包裹着的炭黑花岗岩行人步道组成“夹心蛋糕的剖面”,充满着艺术感。
Niro Arquitectura OAU | Oficina de Arquitectura y Urbanismo
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格拉莫罗特是哥伦比亚的一个小镇, 2010 年的一次拉尼娜现象造成了小镇周围山体滑坡,镇上的 2800 位居民不得不迁往其他市政区。后来政府和基金会进行了重建,为了反思和纪念哥伦比亚第一个由气候变化带来的灾难性影响,新集市广场这个象征性建筑落成。
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广场最突出的特点是收集雨水的功能。屋顶看上去平平无奇,其实由混凝土模块组成,浅浅的沟渠使雨水在其中流淌,又落进柱子里。具有视觉代表性的立柱中安装了雨水收集机械装置,一边承接,一边导流,让雨季时在广场内休憩的镇民不受打扰。
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虽然这个功能对于山洪季节来说效果微乎其微,但作为一个纪念性建筑,还是可以为我们提供一些设计灵感的,那些连普通大雨都扛不住的建筑,也许可以从这里取取经。
James Casebere
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前文的建筑均是体现了建筑师对于减少洪水影响的责任感,这与美国艺术家 James Casebere 的观点不谋而合。他从 2018 年起创作了一系列超现实摄影作品,这些照片的架空背景是一个大水弥漫的未来世界,其中的建筑都是人类为了躲避灾难性洪水而修建的避难所。
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James Casebere 从现有的建筑中汲取灵感,把救生站、澡堂、海滨别墅、旅馆和紧急庇护所等结合起来,创造新的空间,甚至复刻一些已经成功的防洪建筑。他用泡沫芯、油漆和石膏制成建筑模型,使用融化的树脂产生水波的效果,最后使用 ps 技术融合背景风光。
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James Casebere 创作这一系列作品也并非是为了展示建筑设计,而是一种呼吁,希望能引起人们关注气候变化的问题,创造性地应对海平面上升带来的威胁。“建筑物产生了 40%的温室气体,这种影响是不可避免的,建筑师必须承担减少这种影响的责任,并适应更加不稳定、危险的环境。”
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照片中的这些建筑物尽管色彩斑斓,但“内心”是空洞的,它们都处于尚未使用的阶段,敞开大门等待迎接前来避难的人。James Casebere 说:“与他人合作为全球各地的弱势群体建造避难所是一个雄心勃勃的计划”,他希望能通过这些艺术作品鼓舞人们将理想实践。
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尽管洪水的到来不可避免,但从上面的项目中能看出很多洪水其实是由环境问题引起的。 以现有的科技水平,我们还无法阻止洪灾的发生,但为了环保做一些日常习惯性的改变,却是你我都可以做到的。
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