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Equation (1) has been also recommended by the American Lifeline Alliance [3] and Honegger and Nyman [18] to calculate axial soil loads on buried pipe in granular material.
On the contrary, for tunnels where the lining is designed to bear the soil loads, numerical tools should be used for the rational assessment of their seismic response.
Therefore, this study investigated the bending moment and bedding factor for concrete pipes under soil loads by conducting a parametric study investigating the effect of the installation condition, pipe diameter, pipe thickness and backfill height.
Estimations of the total damping of an offshore wind turbine (taking into account the effects of the aerodynamic, hydrodynamic and soil loads) give a quantitative view of the stability characteristics of the wind turbine.
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Ivan Nikolaevich Zhykhov Chemical engineer We dug up the diseased top layer of soil, loaded it into cars and took it to waste burial sites.
The soil load (wc) in Spangler's equation was obtained in accordance with Eq. (2).
Results also showed that an increase in moisture content resulted in an increase in soil loading on the pipeline.
The soil load in the Iowa Formula can be determined using the definition of the soil column load on the underground flexible pipe developed by Marston and Anderson (1913) and shown in Eq. (2).
As a general trend, deeper installation depths increased the effect of soil load and decreased the effect of the surface load on underground pipelines.
Overall, the fluid loading has a greater effect on the propagation wavespeed compared with the soil loading: for metal pipes, the effect of soil loading is negligible; for plastic pipes, however, simply neglecting the effect of soil loading can lead to a considerable underestimation in the calculation of the wavespeed.
Though montmorillonite has the worst effect on soil load bearing capacity but kaolinite and illite which are the major clay minerals observed in the study area also have serious effect on the soil load bearing capacity especially under the condition on which they occur that is having high water saturation.
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