کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
259475 503636 2011 9 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
The effect of construction pattern and unit interlock on the structural behaviour of block pavements
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موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
The effect of construction pattern and unit interlock on the structural behaviour of block pavements
چکیده انگلیسی

The maintenance or even replacement of cracked pavements requires considerable financial resources and puts a large burden on the budgets of local councils. In addition to these costs, local councils also face liability claims arising from uneven or cracked pedestrian pavements. These currently cost the Manchester City Council and Preston City Council around £6 million a year each. Design procedures are empirical. A better understanding of the interaction between paving blocks, bedding sand and subbase was necessary in order to determine the mode of failure of pavements under load. Increasing applied stress was found to mobilise “rotational interlock”, providing increased pavement stiffness and thus increased load dissipation resulting in lower transmitted stress on the subgrade. The indications from the literature review were that pavements are designed to fail by excessive deformation and that paving blocks remained uncracked at failure. This was confirmed with experimental data which was obtained from tests on segments of pavements that were laid/constructed in a purpose built test frame in the laboratory.


► The mode of failure of pavements under load was investigated.
► Tests were carried out on segments of pavements that were laid/constructed in a purpose built test frame.
► ’’Rotational interlock” was found to be important in dissipating the applied stress.
► The transmitted stress to the subgrade was considerably reduced as a result of the “rotational interlock”.
► The ’’rotational interlock” is not accounted for in existing mathematical models.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Construction and Building Materials - Volume 25, Issue 10, October 2011, Pages 3832–3840
نویسندگان
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