落叶松角是一个Passivhaus木制的奇迹,它显示了我们应该如何思考碳的问题。

恶劣天气落叶松角
版权所有Mark Siddall

Mark Siddall的Leap度量和计算,thinks about it,and then calculates it again.

有建筑师可以设计和建造,但不能写作;有些建筑师可以写作,但不能很好地设计或建造。标记Sidall ofLEAP(一个精心设计的体系结构过程)writes and designs,所以我们得到了一个更好的解释,他新落叶松角项目比我们通常从建筑师那里撬出来的,and without a bit of jargon-filled architectese.

Then there are Passivhaus architects who design to hit the numbers but would insulate with baby seal fur if it did the job,不关心所用材料的可持续性;The Passivhaus criteria are designed around results,对你用来到达那里的材料持开放态度。But since the Passivhaus standard was created,人们越来越认识到前期碳排放,建筑材料制造过程中释放出的二氧化碳(我认为这比“含碳量”更容易理解和测量)。操作一样重要的排放。

Larch corner interior 版权所有Mark Siddall

Mark Sidall understands UCE,几乎完全是用天然材料建造的落叶松角,再生材料。

A celebration of the best modern timber engineering techniques,Larch Corner is a timber lover's paradise that lies in the heart of the English countryside.现代三居室单层住宅的几乎每一根纤维都源自可持续来源的木材——不仅在加工和制造过程中减少了排放,而且在使用过程中减少了碳排放。在气候崩溃的时候,Larch Corner demonstrates the diversity of timber and its uses.From structure to insulation,cladding to light fittings,it not only shows how environmental damage can be minimised but offers a clear indication of how it can contribute to more restorative actions,同时让人类精神翱翔。

Timber!

落叶松角生活区 ?落叶松角生活区/Mark Siddall

当谈到木材的多样性时,this house has it all.该结构由交叉层压木材制成,云杉的天花板,由17英寸的木纤维制成的墙体保温材料,当然外面是木质的,西伯利亚落叶松。既要达到帕西夫豪斯标准,又要消除腐烂的风险,the house has to be really airtight,它是:

By careful design,使用CLT作为空气屏障和典型工艺,在50pa下的透气性为0.041 m3/hr/m2。这个,英国最密闭的家,比建筑法规要求的密封性高244倍。Gather all leaks together and the Equivalent Leakage Area is 196mm2 - an area that fits on a 1p coin [Bigger than a US penny,smaller than a nickel]

最近有一些关于木结构的退步,关于它是否像它的发起人说的那样在避免预先的碳排放方面表现出色的问题。For instance,wood is burned to kiln-dry the lumber used to make the CLT,but burning wood has usually been considered carbon-neutral.我从来没有同意过这一点,由于碳被隔离了几十年,我们通过燃烧它在一个大的碳爆炸中释放它。马克承认这一点,主题区域是“杂乱的”。

当涉及到碳排放的核算时,木材产品是复杂的。This is because trees store carbon within them,which of course remains sequestered once the lumber becomes construction grade timber.To my mind this sequestration,尽管很重要,is a byproduct of forestry - not construction - so needs careful consideration ...yet some people play a numbers game.

最后,Mark adjusts his calculations of carbon emissions because "the age of processed trees is unknown and premature felling negates the benefit of sequestration." I have never heard of anyone doing this before,但结果仍然令人印象深刻。

用木头建造可能不如工业界一直说的那么完美(这就是为什么我认为我们应该尽量少用它,并质疑马克是否应该使用木框架而不是CLT),而是使用可再生材料,regenerative materials is still better and greener than the alternatives.

Comfort,舒适与舒适

Larch Corner Bedroom 版权所有Mark Siddall

I often quote Elrond Burrell about how帕西沃最重要的三点是舒适,舒适与舒适.But getting it right is a challenge,还有人担心夏天会过热。Mark has engineer Alan Clarke on the job,所以几率对他有利。

一年中有两个关键时期需要考虑,夏天和冬天,and there are a range of factors that influence your perception of comfort,包括空气温度,surface temperature and drafts.当你在设计任何超绝缘的低能耗住宅时,最关键的考虑之一就是夏季舒适性——如果你错了,你要做一个压力锅。Meanwhile incorrect design,specification or workmanship can cause an energy performance gap.

我们都必须向马克·西德尔学习。

Larch corner corners 版权所有Mark Siddall

Mark Siddall reminds us that "in 2018 the IPCC stated we have 12 years to limit climate breakdown,therefore a building's lifecycle carbon emissions,包括材料中含有的碳,施工和维护,are very important."

这意味着我们可以忘记生命周期分析,即50年或100年的前期碳排放摊销,这就是我们要做的马上that matters.That's why Larch Corner is such an important project;Mark Sidall is measuring everything,操作和前期,然后他开始质疑和调整自己的计算,以解释最新的想法。他在写这件事,分享它,getting us all to think about it and question it.

实际上,这就是每一个建筑师和工程师必须处理我们所做的一切。It is not easy,and we may not get everything right,但这是我们真正与众不同的唯一方式。

如果你有合适的低碳交通工具可以带你去沃里克郡,亚博彩票买lolUK,you can visit Larch Corner during 2019 Passivhaus Open Days on 29 and 30 June,with registration closing on 23 June.

UPDATE:马克建议说,“如果你错过了帕西夫豪斯的开放日,你可以随时观看这个项目的另一个三部分的纪录片系列-获奖的钢铁农场。Simply go to英国PassivhausSecrets.co.uk" I will be covering Steel Farm shortly.

落叶松角是一个Passivhaus木制的奇迹,它显示了我们应该如何思考碳的问题。
Mark Siddall的Leap度量和计算,thinks about it,and then calculates it again.

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