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دانلود کتاب ساختمان خاکی و گلی Earthbag Building-The Tools,Tricks and Techniques

دانلود کتاب ساختمان خاکی و گلی Earthbag Building-The Tools,Tricks and Techniques

دانلود کتاب ساختمان خاکی و گلی Earthbag Building-The Tools,Tricks and Techniques

قیمت در آمازون: 23 دلار

نویسنده : Kaki Hunter, Donald Kiffmeyer

ویرایش : 1

سال انتشار : 2014

فرمت : PDF

تعداد صفحه : 288

انتشارات : New Society Publishers

Over 70 percent of Americans cannot afford to own a code-enforced, contractor-built home. This has led to widespread interest in using natural materials—straw, cob, and earth—for building homes and other buildings that are inexpensive, and that rely largely on labor rather than expensive and often environmentally-damaging outsourced materials.

Earthbag Building is the first comprehensive guide to all the tools, tricks, and techniques for building with bags filled with earth—or earthbags. Having been introduced to sandbag construction by the renowned Nader Khalili in 1993, the authors developed this “Flexible Form Rammed Earth Technique” over the last decade. A reliable method for constructing homes, outbuildings, garden walls and much more, this enduring, tree-free architecture can also be used to create arched and domed structures of great beauty—in any region, and at home, in developing countries, or in emergency relief work.

This profusely illustrated guide first discusses the many merits of earthbag construction, and then leads the reader through the key elements of an earthbag building:
Special design considerations
Foundations, walls and floors
Electrical, plumbing and shelving
Lintels, windows and door installations
Roofs, arches and domes
Exterior and interior plasters.

With dedicated sections on costs, making your own specialized tools, and building code considerations, as well as a complete resources guide, Earthbag Building is the long-awaited, definitive guide to this uniquely pleasing construction style.

Kaki Hunter and Donald Kiffmeyer have been involved in the construction industry for the last 20 years, specializing in affordable, low-tech, low-impact building methods that are as natural as possible. They developed the “Flexible Form Rammed Earth Technique” of building affordably with earthbags and have taught the subject and contributed their expertise to several books and journals on natural building.


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مهندسی عمران مهندسی معماری

دانلود کتاب دینامیک سازه Structural Dynamics

دانلود کتاب دینامیک سازه Structural Dynamics

دانلود کتاب دینامیک سازه Structural Dynamics

نویسنده : Martin Williams

ویرایش : 1

سال انتشار : 2016

فرمت : PDF

تعداد صفحه : 283

انتشارات : CRC Press

قیمت در آمازون: 54 دلار


Dynamics is increasingly being identified by consulting engineers as one of the key skills which needs to be taught in civil engineering degree programs. This is driven by the trend towards lighter, more vibration-prone structures, the growth of business in earthquake regions, the identification of new threats such as terrorist attack and the increased availability of sophisticated dynamic analysis tools.

Martin Williams presents this short, accessible introduction to the area of structural dynamics. He begins by describing dynamic systems and their representation for analytical purposes. The two main chapters deal with linear analysis of single (SDOF) and multi-degree-of-freedom (MDOF) systems, under free vibration and in response to a variety of forcing functions. Hand analysis of continuous systems is covered briefly to illustrate the key principles. Methods of calculation of non-linear dynamic response is also discussed. Lastly, the key principles of random vibration analysis are presented – this approach is crucial for wind engineering and is increasingly important for other load cases.

An appendix briefly summarizes relevant mathematical techniques. Extensive use is made of worked examples, mostly drawn from civil engineering (though not exclusively – there is considerable benefit to be gained from emphasizing the commonality with other branches of engineering). This introductory dynamics textbook is aimed at upper level civil engineering undergraduates and those starting an M.Sc. course in the area.


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