办公建筑谐波污染产生的原理及治理措施

随着社会发展,越来越多的小功率非线性电子设备被广泛运用在办公建筑中,办公建筑的谐波污染日益严重,并以3、5、7次谐波为主,谐波污染的加重必然对电网及电网中的电气设备造成更大的危害。本文简单介绍谐波产生的原理,并通过对某现有建筑电能质量的实地检测,提出了相应的谐波污染治理措施。     

Study of the building future

Will the next decade see the virtual disappearance of asbestos, zinc and copper from the building scene? Will the architect become essentially an industrial designer? Will work on finishings and internal layouts become the province of the client/customer, much of it on a do-it-yourself basis?

These are some of the indications in a research study (¹) of likely trends up to 1990 commissioned by the Dutch Stichting Bouwresearch (SBR). Though specifically related to the Netherlands, the conclusions have a broader relevance.     

Electric shock hazard studies of high expansion foams

Will high expansion foam conduct enough electric current to create a shock hazard? And if so, what characteristics affect the foam's conductivity?     

中国工程机械行业“十二五”规划展望

1关于发展战略 围绕建设工程机械强国战略目标,以结构调整和发展方式转变为主线,实施"调整转型、创新升级"战略. 调整转型:以产业技术结构和企业组织结构为主攻方向,围绕发展高端、大型、智能型工程机械和关键件等战略性新兴产业,选择若干全局性、前瞻性的重点领域,加大投入,强化政策支持,促进形成新的竞争优势和经济增长点.并作为抢占国际竞争制高点的重要举措.着力转变发展方式.     

Intelligent building technologies: a case of Japanese buildings

Recent developments in building technologies in the USA, Europe and Japan reflect the trend towards more intelligent and energy-efficient buildings. A variety of building products with automatic features are being developed, and electronic building systems and computerized building components are being manufactured. Virtually all buildings being built today are equipped with some degree of advanced technologies: for example, electronic control devices and communication systems, automated building facilities, and office automation facilities. This paper outlines the current status of intelligent building technologies. Key features are presented, and the architectural issues associated with the incorporation of the new technologies are discussed. Particular emphasis is given to examining technological advances in daylighting, electric lighting, and HVAC systems. Although these technologies are being incorporated in intelligent buildings throughout the world, specific examples in Japanese buildings are presented to illustrate their implementation in building design.     

Formulation

Recent developments in building technologies in the USA, Europe and Japan reflect the trend towards more intelligent and energy-efficient buildings. A variety of building products with automatic features are being developed, and electronic building systems and computerized building components are being manufactured. Virtually all buildings being built today are equipped with some degree of advanced technologies: for example, electronic control devices and communication systems, automated building facilities, and office automation facilities. This paper outlines the current status of intelligent building technologies. Key features are presented, and the architectural issues associated with the incorporation of the new technologies are discussed. Particular emphasis is given to examining technological advances in daylighting, electric lighting, and HVAC systems. Although these technologies are being incorporated in intelligent buildings throughout the world, specific examples in Japanese buildings are presented to illustrate their implementation in building design.     

东京晴海岛海神广场的结构制振设计

东京晴海岛海神广场建于2001年,是由3栋超高层智能型办公大楼及周边商业设施构成的综合建筑群。基于抗震性能设计理念,结构设计师在这3栋超高层办公大楼里合理地布置了阻尼器,以用来有效地吸收大地震时的地震能量。本文介绍了大楼的结构体系和设计方针,同时也介绍了制振构件的布置及其制振效果的验证。     

城市增长边界的理论模型

城市增长边界在国内越来越受到重视,但是理论研究还远远没有能够为现实提供科学的决策支持。研究基于"为什么需要实施城市增长边界?何时需要释放城市增长边界?根据什么原则来决定是否释放城市增长边界?美国与中国的发展不同是否会影响城市增长边界在中国应用的潜力?理论上的争论集中在哪些方面?"等问题的讨论,加深规划师对城市增长边界相关理论问题的认识,进一步推动城市增长边界在中国城市增长管理中的应用实践。     

建筑大师——一个尴尬的尊号

建筑大师在中国是官方颁授的头衔,与国外推崇的建筑大师相比其质量和数量均令人置疑。这种“中国造”国家级品牌,对推动中国的建筑设计水平有作用吗?     

Less Answers More Questions

Is architecture heading for a ‘procedural mathematic cul-de-sac’? Are architects just too ready to settle for the ‘well-defined certainty of parametricism’, having got stuck on a mathematics of pattern? Will McLean , Senior Lecturer at the University of Westminster, urges designers to open themselves up to the wider delights of mathematics and the full range of possibilities that the discipline has to offer. Copyright © 2011 John Wiley & Sons, Ltd.     

Fire spread potential of ABS plastic plumbing

ABS pipes and fittings are gaining popularity as components of drain, waste, and vent installations in plumbing systems. In case of fire, will they contribute a significant amount of smoke? Will they be a source of fire spread?     

总部园区集合办公模式探索研究——以成都青羊工业总部基地办公楼设计为例

独栋式办公是企业总部园区中的主导建筑形式,"一个企业、一栋建筑、一种标志"成为企业竞相追捧的办公产品类型。然而它的单一化复制难以满足不同企业多样化和成长性的需求,土地利用的低效性和紧张的土地资源之间的矛盾也日益突显。本文结合青羊工业总部基地H-3#和G-9#办公楼的设计实践,充分挖掘建筑空间组合的集约化和共享性潜力,探索一种独立共生的集合办公模式,实现人、环境和企业的可持续健康发展。     

Climate co-benefits of green building standards: water,waste and transportation

This paper quantifies the greenhouse gas (GHG) emissions co-benefits associated with water, waste and transportation usage in certified green commercial office buildings in California. The study compares the measured values of water, waste and transportation usage self-reported by office buildings certified under the Leadership in Energy and Environmental Design rating system for Existing Building Operations and Maintenance (LEED EBOM) to baseline values of conventional California office buildings. The green buildings in the LEED EBOM dataset produced 50% less GHGs due to water consumption than baseline buildings, 48% less due to solid waste management, and 5% less due to transportation. If applied to the entire California office building stock, performance typical of the certified green buildings would save 730,038?MgCO₂e/yr (metric tonnes) from transportation, 87,601?MgCO₂e/yr from water, and 45,280?MgCO₂e/yr from waste, for a total potential savings of about 862,920?MgCO₂e/yr relative to conventional construction. In addition, buildings earning additional credits for specified performance thresholds for water and waste in the LEED EBOM code attained performance levels even higher than required by the code provisions, suggesting that such code provisions in other contexts may help incentivize larger GHG emissions reductions than anticipated. Specific recommendations are made for building standards and certification schemes.     

Tests of combustion product detectors in a radiation environment

Will ionization type combustion product detectors respond satisfactorily in an accelerator-produced radiation environment? To find out, the authors conducted a series of tests with six different models of detector produced by four different manufacturers.     

Kings Place: Hall One

When is an office development more than office space? Howard Watson describes how through the inclusion of two small auditoria in the basement of Kings Place in London King's Cross, Dixon Jones was able to create a true mixture of amenities while responding to the area's cultural needs and eclipsing its reputation for being less than salubrious. Copyright © 2009 John Wiley & Sons, Ltd.     

Energy simulations for glazed office buildings in Sweden

Highly glazed buildings are designed by architects to be airy, light and transparent with more access to daylight. Their energy efficiency, however, has become questioned. Therefore, energy simulations of single skin office buildings in Sweden were carried out, using a dynamic energy simulation tool. In order to study the impact of glass on the energy use during the occupation stage, office building alternatives with 30, 60 and 100% window to external wall area were studied. Other varied parameters were the building's orientation, the plan type (open and cell plan offices), the control set points and the façade elements (type and size of windows, type and position of shading devices, etc.). The main conclusion is that careful design is needed to ensure low energy use and good thermal comfort, especially for highly glazed office buildings. Careful design of glazed office buildings has to be based on detailed thermal simulations. Especially in fully glazed buildings (in which the façade is more “sensitive” to climatic conditions), proper combination of control set points, glazing and solar shading are crucial for the energy performance.     

e时代办公楼设计理念的更新与研究

文章总结了办公楼的发展历程,分析了e时代(网络时代)办公楼特有的时代性和文化特色,并对由此带来的建筑设计理念更新进行了系统的分析和研究。     

A Letter to Martina

<正>Dear Martina,How are you doing recently? I miss you very much. I have something good to tell you. I am gonig to England to study in your school next term, and we'll meet each other then.Will you please help me look for an apartment? I hope to find a clean and bright house,Iwhich is not very far from our school, so that I can go to school by bike. It would be wonderful     

Effect of fa?ade systems on the performance of cooling ceilings: In situ measurements

This article presents an innovative fa?ade system designed to increase the thermal comfort inside an office room and to enhance the cooling capacity of the suspended cooling ceiling. A series of measurements is conducted in an existing office building with different fa?ade systems (i.e., a combination of glazing and shading). An innovative fa?ade system is developed based on this intensive set of measurements. The new system enhances the thermal comfort and cooling capacity of the suspended cooling ceiling. The main usage of the new system is the refurbishment and improvement of existing fa?ade systems.     

Energy-related standards and UK speculative office development

Non-domestic buildings have great potential for energy-related emission reductions in response to climate change. However, high-specification office buildings in the UK demonstrate that regulation, assessment and certification (‘standards’) have not incentivized the development of lower-energy office buildings as expected. Making use of the concepts of ‘qualculation’ and ‘calculative agency’, qualitative case studies of 10 speculatively developed office buildings in London, UK, provide new insight into why this is the case. Interview data (n?=?57) are used to illustrate how ‘market standards’ substitute for user needs, and ratchet up the provision of building services to maximize marketability competitively. The examples of energy modelling and the market’s (mis)use of British Council for Offices guidelines are used to explain how such standards perversely bolster energy-demanding levels of specification and building services, and militate against lower-energy design, in the sector researched. The potentials for alternative, performance-based standards and new industry norms of quality are discussed. It is concluded that at least the London speculative office market by its very constitution and operation, including the reliance on standards, continues to create increasingly energy-demanding buildings.