Ground Response and Seismic Slope Stability Coursework

Ground Response and seismal Slope Stability - Coursework ExampleIn this report, two parts atomic number 18 considered. In the first part, a ground response analysis for two sites is run while the second part proposes possible physical body accelerations on grounding of the analysis in designing of an embankment structure that will support the proposed roadway. Both of the proposed sites argon located in Jamaica. With regard to ground response analysis, edushake analysis program is made use and the results obtained are as displayed in the various tables displayed throughout this report. The input data used are as provided in the coursework materials while the thickness is obtained through calculation of the difference between the depths. A table from the web forms the basis of assumptions made with regard to individual soils unit weight. Each soil type has its respective stress (), pore pressure (u) as well as effective stress () associated with it (Bhandari and Sharma, 2001). Tw o equations, unitary for sand and the second one for clay are used in in calculation of level best shear stress ground on the literature from the book of Steven Kramers. ... Width of crest 15m Height of embankment 11m trade loading surcharge 15kPa Design PHA (horizontal acceleration) 0.3500g from the ground response analysis 0.3500g from the ground response analysis 0 The embankment is designed using a 1.56 safety factor to facilitate long confines and short term stability. With the help of STB2010, the embankments parameters were generated using the ordinary method of slices also referred to as Fellenius method for static and unstable stability analysis. The necessary soil characteristics are provided in the table infra Drained bearing with strength parameters c=0kPa and =25? social unit weight of peeing ?w = 9.81kN/m2 Undrained strength c=85kPa Unit weight of placed material ? = 20kN/m2 It should be noted that the water table is located at the toenail of the embankment. All the assumptions and calculations for the design of the embankment are shown from the Figure 3.1 to the next page. The data as provided in the spreadsheet is as shown below Basing the divisions on four slices, the ordinary method of slices for design of embankments for drained as well as undrained soil is used. The initial embankment was generated based on the six slices. Consequently, an angle (?) was established in the middle of individually slice at the horizontals base after which sin (?) and cos (?) were obtained. The equation inclined below was used in evaluation of the length of each individual slice The height was measurable from the middle of each slice. Additionally, the height (hw) was measured from the middle base of each slice to the point of the water table after which the pore pressure at the base of the slice base was calculated based