جستجو در تالارهای گفتگو

با سلام. استاندارد D4546 که مربوط به آزمایش تورم خاک است را میخواستم. کسی از دوستن هست که داشته باشه ؟ با تشکر Standard Test Methods for One-Dimensional Swell or Collapse of Soils Active Standard ASTM D4546 | [Hidden Content]

Sustainable Urban Development and Issues Dominating Design of Bike Lanes (Focusing Hamedan of Iran) Original Article, D28 Rismanian M., Habibvand N. Journal. Civil Eng. Urban. 4(2): 179-183. 2014 ABSTRACT: Nowadays with the increasing importance of issues such as sustainable development, and green transportation, using bicycles as a means of transport for urban dwellers is very important and inevitable .Therefore, it has become necessary to design and build a safe, connected, and comfortable network of the bike lane to achieve urban sustainable development. It is noteworthy that environment, natural resources and energy conservation, are under the influence of urban transportation and the issues related. But given the cost and difficulty of designing a new bike path and new nature of the subject, it is observed that establishing bike path has confronted with numerous obstacles in our country. In this paper, we describe a descriptive-analytic method – focusing the field and library studies- and explain standards for bicycle path design towards sustainable development, while investigating obstacles and problem of design and management of bike paths in Boulevard Eram Hamedan. Keywords: Transportation Environment, Design Requirements, Comfortable And Easy Path, Standard, Path Continuity منبع: [Hidden Content] دانلود: [Hidden Content].,%204%20(2)%20179-183,%202014.pdf J. Civil Eng. Urban., 4 (2) 179-183, 2014.pdf