کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
312108 534180 2007 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Simplified model for numerical calculation of pull forces in static pipe-bursting operations
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات مهندسی ژئوتکنیک و زمین شناسی مهندسی
پیش نمایش صفحه اول مقاله
Simplified model for numerical calculation of pull forces in static pipe-bursting operations
چکیده انگلیسی

Trenchless pipe replacement, or pipe bursting, is defined as the replacement of an original pipe by fragmenting the existing conduit and simultaneously installing product pipe in its place. In the static method of pipe replacement, the original pipe fails in tension by radial forces developed from the cone-shaped bursting head geometry that are applied to the pipe wall from within the pipe, as it is pulled or pushed through the existing pipe. The fragmented pieces are pressed into the surrounding soil as it is being displaced, thus creating a cavity for the product pipe. This paper presents a simplified model to calculate the maximum pull force (a function of the friction, bursting, and soil compression shear forces) required to be overcome to complete a static pipe-bursting pull. Based on site-specific information, the model provides an initial avenue for contractors, engineers, and manufacturers in planning successful trenchless pipe replacement projects.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tunnelling and Underground Space Technology - Volume 22, Issues 5–6, September–November 2007, Pages 644–654
نویسندگان
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