نتایج جستجو برای: pavements
تعداد نتایج: 2205 فیلتر نتایج به سال:
The assessment of the anti-skid properties airfield pavements is one elements in process determining their current technical condition, which important terms safety air operations. condition pavement should be qualified on basis specified and required values (criteria), this case, coefficient friction depth texture. Unfortunately, practice, texture new raises some doubts with regard to existing...
Received: June 06, 2017 Revised: July 05, 2017 Accepted: July 19, 2017 Abstract: Introduction: The use of polymer wastes in pavement as road is an increasing trend in the road construction sector. Those new pavements reduce the amount of solid waste disposed into landfills and provide more sustainable construction due to the use of in-situ materials. Polyurethane foam waste is a thermostable po...
Non destructive testing techniques based on the application of dynamic loads on the surface of a soil deposit or a pavement system, and the measurement of the resulting deflection basins or the phase difference between the motions recorded at various receivers have become powerful tools in civil engineering. In many cases, however, the interpretation of the recorded data relies on static analys...
Generally, the maintenance of asphalt pavements contributes a significant portion national capital countries. Rutting and cracking cause extensive damage to pavements, although fatigue cracks are more common in pavements. Adhesion bonding between layers among factors that affect durability pavement play major function maintaining integrity pavement. On other hand, using nanomaterials is regarde...
موضوعات مهم در بخش انرژی، کاهش تلفات و بهینه سازی مصرف انرژی است . محدودیت منابع تقاضای کشور باعث شده تا اهمیت این موضوع روز به روز بیشتر شود. محدودیت مصرف انرژی ایجاب می کند که منشاء تلفات در هر یک از بخشهای مصرف کننده شناخته شده و پس از آن اقدامات اصلاحی صورت گیرد. یکی از بخشهای مهم مصرفی کشور، بخش صنعت می باشد، روش شناخت عوامل تلفات انرژی در این بخش نیز به ممیزی انرژی معروف است . در این تحقی...
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