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Register a new userThe Effect of Changing Construction Materials Systems of Walls on the Environmental Performance of Buildings
تأثير تغيير أنظمة مواد بناء الجدران على الأداء البيئي للمباني
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فاطمة الصالح( باحث )
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تم في هذا البحث دراسة الأداء الحراري لأكثر من نظام لمواد البناء لجدران مبنى سكن الأطباء و الممرضات بحلب المكونة من بلوك مفرغ حاوي على شريحة ستريوبور غير مستمرة على كامل البلوك و مقارنته بجدران ذات بلوك مفرغ مع طبقة عزل مستمرة. حيث تبين أن استخدام البلوك بشريحة الستريوبور بالاضافة إلى كلفته الاقتصادية العالية ليس جيدا من الناحية الحرارية حيث تسبب بظهور جسور حرارية كبيرة و مكثفة و أن استخدام نظام بلوك مع طبقة ستريوبور مستمرة جعل توزع درجات الحرارة أكثر انتظاماً و قلل من دفق الطاقة بنسبة 70-36.7%.
In this paper, the thermal performance of the doctors and nurses housing building in Aleppo walls, consisting of the hollow blocks with inside styropor sheet and compare it with a wall consisting of hollow blocks with eternal continuous insulating styropor layer and the effect of adding continuous insulating layer on the existing walls. The study showed that the use of the block with inside styropor slice was not useful regarding the thermal behavior and causing large and intense thermal bridges generation. However the use of block with continuous styropor layer made the temperature distribution more uniform and reduced the energy flux by 36.7-70%.
References used
Domone, Peter, and John Illston, 2010 - Construction materials: their nature and behaviour. CRC Press
Ramachandran, VangipuramSeshachar, et al., 2002 - Handbook of thermal analysis of construction materials. William Andrew
Hammond, Geoffrey P., and Craig I. Jones, 2008 - "Embodied energy and carbon in construction materials." Proceedings of the Institution of Civil Engineers-Energy 161.2: 87-98
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the importance of research to define the importance of the
restoration to preserve the identity of the country and its heritage and
authenticity as well as for the restoration of some of the buildings came
to show contemporary form processions of
progress and development
that we are witnessing in addition to the development of systems and
controls set standards and methods of restoration, protection and
maintenance in order to direct the business in the right direction and
organize repairs to stop the dangers arising wrong to intervene and
factors demise and the demise of heritage buildings, which are often
caused by personal interpretations resulting from the absence of
references and standards pertaining to restoration and especially in our
country, in addition to the non-observance of international standards for
restoration.
The aim of this study, the development of systems and controls set
standards and methods of restoration and protection and maintenance
to operate this business in the right direction and straighten restoration
goals in the right direction away from reconstructive mistakes that we
are experiencing as a result of the absence of references and standards
reconstructive and especially in our country.
The environmental culture is often absent from the minds of investors. Thus, devoted architect efforts in the field of production form،Without regard to the extent influenced by the concepts of sustainability. As well as the impact of production on t
he environment negatively. We find architectural products require high operating costs. Because of exaggeration in the use of materials may not be environmentally compatible. The architect alone is not responsible. There is also a lack of appreciation from the community. Or interest in the traditional entrance in Architecture, (Use of traditional solutions in climate treatment(
In addition to the lack of real environmental legislation to deter it. It is imperative to make binding for buildings and tourist complexes existing environmental procedures. And adherence to the study is necessary to reach the tourism respectful of the environmental standards. Reduction of the consumption of resources and on the design process and the level of sustainable tourism level.
This paper deals with the process and presents the basic steps that you must follow in resolving such buildings. And through monitoring some recreational facilities and tourist complexes around the world. It explains the general effects that led to the development of this type of buildings. It also includes some of the foundations and the general principles and standards-setting process to adjust the design and architectural sketch. In order to address such buildings academically in Syria.
The behavior of the basaltic shear diaphragms of the remaining buildings of ancient times
was investigated as experimental research,and its resistance to natural factors and
horizontal loads resulting from wind and earthquakes,to take advantage of
them in the
maintenance of modern buildings,which are associated with floors and beams as horizontal
shear diaphragmsIn the hot and cold areas of the African continent, Asia and other similar
areas,to replace the reinforced concrete shear diaphragms,and metal shear diaphragms that
lose their resistance to the above factors. When the buildings are inspected, the vertical and
slanted slits resulting from the side loads are placed,it was found that the appearance of the
cracks related to the hardness of the shear diaphragm section, the basalt stone
specifications and the design of the shear diaphragm base.The research was conducted
to determine the durability, water permeability and resistance to pressure and tensile
strength of basalt stone samples used in historic stone buildings and their location in
laboratory methods.Horizontal loads resulting from seismic intensity were determined on
the front of the building at the tile level according to international requirements and
specifications.The method of calculating the basaltic shear diaphragms was
applied by applying arithmetic to build a basalt stone from several floors and a basement,
taking into account the characteristic resistance of basalt, depending on its density from
pressure and stretching and basalt stone in calculating.
The application of this research was implemented at the laboratories of
Food Science Department, Agriculture College, Damascus University in order
to investigate the effect of different ratios of added oil upon the rheological,
chemical and microb
ial characteristics of mayonnaise. The traditional
mayonnaise was made from fresh egg, vinegar, salt, mustard, citric acid and
corn oil at 70% ratio, to be used as a standard. Two changes in the oil ratio:
40% and 50% were applied for obtaining lower oil mayonnaise, with fewer
calories (Diet). The influence of adding Xantan gum as a substitute to oil
reduction, on the properties of final product was also investigated. Results
showed that the addition of Xantan gum at 1.5% was necessary to complement
the reduction in the added oil. The results also confirmed that reduction in the
added oil of the diet mayonnaise led to reduction in viscosity and firmness when
compared with the standard mayonnaise.
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