نتایج جستجو برای: soil arching
تعداد نتایج: 181247 فیلتر نتایج به سال:
Full-scale experimental case studies have shown that the induced trench construction method effectively reduces vertical earth load is exerted on culverts installed beneath high embankments. Induced are traditionally designed basis of Marston’s theory; however, various theoretical shortcomings this formulation recently come to light. In paper, a new presented. The proposed analytical model empl...
Accurately recognizing the influence of excavation disturbance on traversing cross-type deep foundation pit subway, determining active range disturbance, and reasonably arranging structure within its can effectively ensure safety project save resources to achieve goal sustainable development. A three-dimensional model was established using soil small strain hardening examine subway in CBD (cent...
Faecal sludge deposited into the pit latrine is subject to biodegradation. The aim of this research was develop model for filling rate faeces in ordinary together with effect shape factor on such fillings prepare minds users characteristics based contents, usage and environmental factors. Consequently, faecal sludges sampled from 100 pits already filled were subjected laboratory analyses their ...
Abstract: Compared with other lightning targets on the ground, the most notable feature of a wind turbine is that the blades are usually in a rotating state when lightning strikes. To study the mechanism of blade rotation influencing wind turbine on triggering lightning, lightning discharge comparison tests based on a typical 2-MW 1:30-scaled wind turbine model with an arching high-voltage elec...
BACKGROUND The considerable challenges associated with implementing national level alcohol policies have encouraged a renewed focus on the prospects for local-level policies in the UK and elsewhere. We adopted a case study approach to identify the major characteristics and drivers of differences in the patterns of local alcohol policies and services in two contrasting local authority (LA) areas...
Photomosaics are mosaics composed of photographic images instead of solid colored tiles. A Photomosaic is a multi-scale image, conveying different information when viewed up close as when seen from a distance. From a distance, only the global subject of the mosaic should be visible, appearing without discrete components, thus the photographic images chosen must be visually similar to the local ...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
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