Question 1: (30 Marks) The mine manager has expressed his concerns regarding the increase of toes (high spots) in the pit. Put a proposal forward to investigate the cause/s and discuss what blast assessment equipment / tools are recommended to measure / monitor the potential cause/s. Briefly describe how you would use the recommended equipment.
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Adi S.
QUESTION 1 It is required to divide the triangular area ABC into three equal portions by lines from D, a fixed point on BC. Given: Station | Co ordinates | Angles of Direction | Sides in metres --- | --- | --- | --- | Y | X | | A | +603.873 | -394.540 | AB - 27:51:30 | AB - 342.786 B | +764.052 | -91.481 | BC - 271:57:50 | BC - 553.436 C | +210.911 | -72.515 | CA - 129:20:10 | CA - 508.031 D | +518.225 | -83.052 | | Area of figure ABC - 85 332 square metres. Calculate: The co-ordinates of E and F. [30 MARKS] QUESTION 2 Due to dangerous hanging wall conditions, it was not possible to sample a 77 m reef drive at regular intervals. The following is an extract of the sample report. Sections | Start + | RW (cm) | Ch W (cm) | Value (cm g/t) --- | --- | --- | --- | --- 1 | 4 | 31 | 33 | 555 2 | 12 | 39 | 49 | 680 3 | 22 | 44 | 55 | 710 4 | 36 | 33 | 37 | 513 5 | 44 | 41 | 47 | 888 6 | 62 | 50 | 61 | 1 120 7 | 70 | 37 | 46 | 689 A dyke was intersected at start +16 to start +20 m. Calculate the undiluted reef and channel widths and values. [20 MARKS] TOTAL MARKS [50 MARKS]
Lien L.
This question is one of the questions of the soil mechanics I course. Please solve the question. I would be very happy if you could solve the question step by step. Also, the question asks us to use AutoCAD. Thank you.
Dominador T.
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