山谷音乐厅

© OPEN建筑事务所/OPEN Architecture 

随着屋面结构混凝土的浇筑完成，OPEN建筑事务所新作山谷音乐厅（结构机电顾问奥雅纳）于11月15日正式封顶。

With the last pour of structural concrete, Chapel of Sound, a new project designed by OPEN Architecture, topped out on November 15th. 

© OPEN建筑事务所/OPEN Architecture 

屋面是这个项目面积最大的平面，其混凝土浇筑工作持续了大约24个小时，工人们轮班连续作业，每一批混凝土现场浇筑到位后，立即手工处理表面并进行保护。

破晓时分，当清晨的阳光洒在刚完成的屋面上时，工人们欣喜地庆祝工程如期在入冬前完成封顶。

The pouring of concrete for the roof which is the largest flat surface in the project took about 24 hours. Workers continued on shifts all through the night, carefully finishing the surfaces with hand tools immediately after each batch of concrete was poured in place. 

They cheered and celebrated when the day broke and morning sun started to glitter on the freshly finished roof plane, concluding this year's construction before winter settles in. 

© OPEN建筑事务所/OPEN Architecture 

地处北京与河北交界处的金山岭长城脚下，山谷音乐厅坐落在一个散落着大石块的崎岖山谷里。它包含了半露天的剧场、室外舞台、观景平台和一些服务空间。在过去的几十年中，因为缺乏可耕种土地和其他资源，这片山区农村的大部分人口都已经搬离并进入城市寻求生计。山谷音乐厅的建设是这个地区重新开发和复兴计划中的一个实验性项目。

Chapel of Sound sits in a rocky valley at the foot of Jinshanling Great Wall on the northern boundary of Beijing municipality. It houses a semi-outdoor amphitheater, an outdoor stage, viewing platforms, and supporting spaces. The surrounding mountainous rural area has lost most of its population to the cities in the past couple of decades due to the severe lack of resources including arable land. Chapel of Sound is a pilot project in a scheme that aims to redevelop and vitalize this barren mountain area.

音乐厅由两个相互连接的混凝土壳体组成。外壳采用了上大下小的倒锥形的结构，以最小“足迹”接触地面，将对于周边自然环境的影响降到最少。内壳的形状根据声学原理设计而成，坚硬的表面是反射声音的部分，腔体上不同的洞口则作为吸声面。这些经过仔细计划的、顶部与墙面上不同的开洞，将天空和周围山谷的景色、以及大自然微妙的声音一道引入空间中。在没有演出的时候，人们可以在此静静聆听鸟叫虫鸣、微风拂过、或者雨水敲打地面并排走的声音；亦或是追寻不同时间里阳光在音乐厅内跳跃的足迹。在这个神秘的空间里，大自然演奏着静谧而千变万化的交响乐。

The structure is composed of two interconnected concrete shells. The outer shell has an inverted conic shape so that it touches the ground with the smallest footprint, minimizing the impact on the natural surroundings. The inner shell is shaped primarily by the acoustics, with hard surfaces to bounce off the sounds, and openings on the enclosing surfaces for sound absorption. These carefully planned openings to the sky and the surrounding valley also bring in stunning views and muted sounds of nature, as well as dancing sunlight at different times of the day—all orchestrating an ever-changing symphony of nature inside the concert hall. When there is no performance, one can sit there to quietly observe birds singing and insects chirping, gentle breezes rustling through, or rain falling onto the hard floor and quickly draining away.

2018年，山谷音乐厅获得第66届美国P/A建筑奖。评委会成员Claire Weisz给出的评语称这是 “一个突破传统模式的新作品，和一个任何人都可以参与的声音体验。”

Chapel of Sound was awarded a Citation in the 66th annual Progressive Architecture (P/A) Awards, with jury Claire Weisz commented 'it's a different paradigm…, a sound experience that anyone can take part in.'

该项目将于明年夏天正式开放。

The building is slated to open in the summer of 2020.

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