Sjoerd Nienhuys

Sjoerd Nienhuys
Huys Advies · consultancy

Architectural Engineer

About

44
Publications
85,903
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Citations
Introduction
Technical advisor on low-income housing and renewable energy, house improvement, sanitation and biogas projects. Specialized in earthquake reconstruction and retrofitting. Foto is from tsunami reconstruction programme in Sri Lanka. Worked long time in 12 different countries in three continents. Realised technical support missions to 24 different countries on several topics. Currently involved in advisory services for house-owners on energy efficiency. website www.nienhuys.info

Publications

Publications (44)
Technical Report
Full-text available
Details about the design options for a small Photo Voltaic power station with conventional Lead-Acid battery storage in a hot dry and humid climate zone. The batteries should not become warmer than 25° C. The example is for Karak in Pakistan at 33 degrees North, with 5-7 kWp. Thermal insulation of the building and shading designs are most important...
Research
Full-text available
This two page Excel sheet allows the input figures for warm water consumption of a hybrid shower system in comparison with a traditional shower. By adding local tariffs for water and energy the savings in comparison with the traditional shower are calculated with costs and recovery period.
Technical Report
Full-text available
Questions and answers related to seismic building codes in the context of countries in the Himalaya region, such as Pakistan and Nepal. Where do these earthquakes occur? What is the purpose of the seismic code and the relation with the building code? What are the differences between seismic codes of other countries? What variables exist in a seismi...
Research
Full-text available
Abstract: Simple rules for earthquake resistant construction based on the principle of traffic signs with round red signs for prohibited and square blue signs for obliged. Intermediate round and square signs without colour. The differences between the do and don’t signs are explained per category, covering general issues including: foundations, wal...
Technical Report
Full-text available
Conditions of fragile non reinforced masonry houses and their foundations in the provinceof Groningen, The Netherlands. Possible damage due to very short period of vertical and horizontal vibrations by induced earthquakes, cause by natural gas exploitation. Analysis of elastic spectrum and characteristics of base isolation. Method of construction b...
Technical Report
Full-text available
Simple rules for earthquake resistant construction, based on the principle of round-red-prohibited and square-blue-obliged traffic signs. Eenvoudige regels voor aardbevingsbestendig bouwen op basis van het verkeersborden principe voor ronde verbodsborden met rode rand, en vierkante verplichtingsborden met blauwe rand. Tussenvormen met ronde of vie...
Book
Full-text available
Harvesting, curing, preservation and building construction using thin bamboo stems or culms of 40 mm diameter. Making composite beams for trusses with connectors and dowels. Stress reinforcement with galvanised wire for lightweight roof constructions covered with thatch or reed. Illustrative sketches and photos.
Book
Full-text available
Method of calculation of thermal insulation value for building construction. Determination of Rc value and drawing of temperature curve inside construction. Mollier diagramme and condensation or dew point. Sketches with practical construction designs and examples. Calculation of heat storage. Effect of ventilation and need for trickle ventilation....
Book
Full-text available
Practical examples of ecosan urine diversion toilet systems for Himalayan and similar high altitude conditions with long frost periods above 1500 m (5,000 ft). Reasons and benefits for ecosan-biogas linked urine diversion toilet (UDT) and urine diversion dry (dehydration) toilet (UDDT) systems. Basic elements required for good operation of the UDT...
Book
Full-text available
Practical examples of non-engineering earthquake retrofitting techniques for traditional adobe, rubble-stone masonry, semi-dressed stone, cut-face stone, cement block construction, baked brick and other building systems in Pakistan, Tajikistan and similar areas such as Afghanistan. The Pamiri house design is detailed with retrofitting options. Prel...
Book
Full-text available
Thermal insulation options for windows, using double glass windows, add-on glass frames, roll curtains and add-on transparent winter insulation. Solar windows for intake of solar heat during the winter in combination with better insulation. Illustrated with sketches and photos.
Book
Full-text available
ICS for households and restaurants made from 1.2 mm plain and 0.7 mm GI sheet metal, including open and closed pot shields for cylindrical cooking pots and large woks. The closed post shields have an attached chimney. Includes sketch designs for common baked brick filled ICS burning chamber and bread baking oven fitting onto the ICS basic burning u...
Book
Full-text available
This Heat Retention Box (HRB) is based on thermal insulation using three metalized reflective foils separated by PE foam strips. The HRB can hold two pots (stacked), one large and one small. The thermal insulation value is approximately RC = 2.2 m2.K/W, being similar to 9 cm of expanded polystyrene (EPS). The 50 cm high HRB can be used for a 6-litr...
Book
Full-text available
Training guideline for small or village-based entrepreneurs on marketing new and unique house improvements having great sales potential. Guidelines follow general principles of product marketing and entrepreneur attitude, including social and selfish sales methods. Model making, mini models, hand-outs, demonstrations, road shows and fact sheets are...
Book
Full-text available
History and product development of the roof hatch window for traditional houses in high altitude zone of the himalayas of Pakistan and Tajikistan. Product development and improvements with winter insulation and polycarbonate sheets. New plastic window development, transport and training issues.
Book
Full-text available
Tables with all common building materials with their thermal insulation properties and mass and variation on humidity. Effect on insulation value on their humidity. Comments on multi layer reflective foils and the application of reflective foils and humidity barriers.
Book
Full-text available
Existing and added thermal insulation values for floors in the Himalayas. Traditional and new housing in Pakistan and Tajikistan. Calculation format and comparison of different designs using locally available insulation materials and techniques. Aerated cement floor, reflective foils, EPS, wool and straw options with and without cavities.
Book
Full-text available
Comparison of 34 different designs of existing and added thermal insulation for traditional and new houses in the Himalayas of Pakistan and Tajikistan. Use of reflective foils, dampproofing, straw and other insulation materials. recommendation of minimum insulation values per altitude.
Book
Full-text available
Thermal insulation values of 19 different insulation designs for traditional and new houses in high mountain areas in the Himalayas of Pakistan and Tajikistan. Use of reflective foils, straw and cavities and comparison of data in relation to recommended insulation values per altitude zone. Calculation formats.
Book
Full-text available
Training material on thermal insulation for low-rise buildings in high altitude and mountain areas. Energy balance and economics related to stoves and energy needs. Making choises and select practical options. Humidity and condensation aspects. Firewood savers for traditional housing. Sequencing of actions and public awareness raising.
Book
Full-text available
The paper reviews the basics of training objectives, development training curriculum, listing learning aims, performance of trainee, logic framework, lesson plan, training methods, examples of building and construction for housing,
Book
Full-text available
Client-focussed product development is explained in a series of steps in relation to house improvements in the Himalayas of Pakistan. Design, prototype development and modification of the products after field testing to suit the demands of the local and remote village population, as well as their financial resources, own production skills and avail...
Book
Full-text available
Flipchart in two parts (pictures and separate text) as training material for health education in Africa at rural village level. Explanation of sources of contamination and diseases. Recommendations of improved well design and water treatment.
Book
Full-text available
In Nepal biomass (such as firewood and agricultural by-products) is used almost exclusively for cooking and space heating in the rural areas. Indoor air pollution from open fires causes eye irritation and lung diseases, predominantly for women and children. This is especially so for high altitude areas where open fires are also used for space heati...
Book
Full-text available
Earthquakes negatively affect many low-cost houses of low-income people due to poor material choice and construction techniques, especially in non-formal settlements and housing development. In the remote village areas of high mountains such as the Himalayas and the Andes the introduction of cement and steel reinforcement bars for reinforced concre...
Book
Full-text available
Earthquakes negatively affect many houses of low-income people due to poor material choice and construction techniques, especially in non-formal settlements and housing developments. In the remote village areas of high mountains such as the Himalayas and the Andes, the introduction of cement and steel reinforcement bars for reinforced concrete cons...
Technical Report
Full-text available
Землятресения и удалённые горные регионы Западная часть Каракорума Пакистанских Гималай, находиться под воздействием тектонической плиты, с конечным расположением под Афганистаном. На данной территории подземные точки (землятресения) регистрируються часто. Сильное землетресение произошло в Октябре 2005 года, унесшее жизни 75 000 человек и разрушивш...
Article
Full-text available
After earthquakes it becomes very visible what types of building construction have withstood the forces of the earthquake and which did not perform adequately. Analysing the nearly collapsed and broken reinforced concrete structures, gives a good insight in the possible architectural and engineering design mistakes, faults in the detailing, lack of...
Book
Full-text available
Based on cooking energy use in Nepal. A training module providing an example of a school curriculum in the area of energy conservation in households by comparing three different cooking methods for potatoes. The exercise can be undertaken in the classroom or as homework. By undertaking the exercise at home, the families of the students will also be...
Article
Full-text available
Traditional cooking and bread baking methods have only 20% firewood efficiency. Because houses are poorly insulated, the cooking stove is stoked for many hours to provide some warmth in the winter. The poorer people are dependent on firewood and cow dung cakes for cooking and space heating. The use of pressure cooker and the insulation box saves la...
Book
Full-text available
School buildings are viewed by the local population as examples of quality construction designs. Improvement methods for traditional and new houses in remote mountain areas can be stimulated by intelligent school building designs. Techniques that can be replicated locally by craftsmen using readily available building materials are important in remo...
Book
Full-text available
Tsunami reconstruction site visits were conducted to various International NGO permanent housing reconstruction projects along the northern and western coasts of Aceh, Indonesia. Technical details could be observed in a large number of houses still under construction. The earthquake-and tsunami-resistant properties of the houses were assessed and r...
Book
Full-text available
Review of the structural damage caused by the Kashmir earthquake of 2005 in Balakot district. Failure of reinforced concrete and stone masonry buildings. with photographs and sketches. Recommendation for low-cost wall reinforcement with galvanised wire.
Book
Full-text available
Description of options for reconstruction and retrofitting techniques for historic pagoda-type temples in Kathmandu, many of which collapsed or were heavily affected during the 1934 earthquake and later reconstructed. Deterioration due to lack of maintenance, combined with new research on the original designs, motivated full reconstruction and rest...
Book
Full-text available
Criteria for post-earthquake site selection for the reconstruction process of assisted self-help houses in the Dhamar, Maghrib Ans and Jabal Al Sharq regions in the Yemen Arabic Republic (North Yemen). Basic principles for site selection and preparation, illustrated with sketches as training material. Dry masoned dressed and cut-face stone construc...
Technical Report
Full-text available
Illustrated report about the seismic resistant building techniques suitable for aided self-help construction in areas with an abundance of natural stone or clay soils. U shaped cement blocks for wall endings and lintel or roof beams can be hand cast. These U shaped cement blocks provide room for casting reinforced concrete columns and beams, requir...
Technical Report
Full-text available
Foreman construction manual for the Dhamar Aided Self-Help earthquake reconstruction project 1983-1985. Yemini stone architecture, using U shaped cement blocks. Roof and roof diaphragm construction and design with waterproofing and gargoyles. Added information on thermal insulation. Step-by-step picture book with English and Arab texts. Part 4 of a...
Technical Report
Full-text available
Foreman construction manual for the Dhamar Aided Self-Help earthquake reconstruction project 1983-1985. Yemini stone architecture, using U shaped cement blocks. Floor or roof diaphragm construction and design with tie-beam or roof diaphragm reinforcements. Step-by-step picture book with English and Arab texts. Part 3 of a set of 5 step-by-step pict...
Technical Report
Full-text available
Foreman construction manual for the Dhamar Aided Self-Help earthquake reconstruction project 1983-1985. Yemini stone architecture, using U shaped cement blocks. Wall construction and design with wall corners and tie-beam or lintel reinforcements. Step-by-step picture book with English and Arab texts. Part 2 of a set of 5 step-by-step picture manual...
Technical Report
Full-text available
Foreman construction manual for the Dhamar Aided Self-Help earthquake reconstruction project 1983-1985. Yemini stone architecture, using U shaped cement blocks. Foundation design and reinforcement. Step-by-step picture book with English and Arab texts. Part 1 of a set of 5 step-by-step picture manuals for basic or core house construction.
Technical Report
Full-text available
This photo report is an extract from a larger report on the slope control of the table hill of Bucaramanga and irregular human settlements in Bucaramanga, Pereira and Manizales. These non-regulated (illegal) settlements on the steep slopes around these cities caused deforestation with subsequent soil erosion and an ever-increasing risk of landslide...
Technical Report
Full-text available
This photo report is an extract from a larger report on the slope control of the table hill of Bucaramanga and irregular human settlements in Bucaramanga, Pereira and Manizales. These non-regulated (illegal) settlements on the steep slopes around these cities caused deforestation with subsequent soil erosion and an ever-increasing risk of landslide...
Technical Report
Full-text available
This photo report is an extract from a larger report on the slope control of the table hill of Bucaramanga and irregular human settlements in Bucaramanga, Pereira and Manizales. These non-regulated (illegal) settlements on the steep slopes around these cities caused deforestation with subsequent soil erosion and an ever-increasing risk of landslide...

Projects

Project (1)
Project
The seismic activity has increased up to 2012 in the Groningen province due to increased gas exploitation. After the level of gas exploitation was controlled per municipality, the strength and frequency of the seismic shocks reduced. The seismic zoning of the region, however was kept extremely high.