HW2BHoriz Baseline DesignAZout100

HW2BHoriz Baseline DesignAZout100 - SUR 4201 HW2B...

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SUR 4201 HW2B Horizontal Baseline Design Assignment: Now we are to design a route baseline starting at the BP point and ending at the EP point. Here are the project requirements: 1. The first route tangent must be on the extension of the incoming pavement at the BP (no deflection for vehicle). 2. The last route tangent must be on the backward extension of the outgoing pavement at the EP. 3. All parts of the new route baseline must lie within the baseline corridor as mapped in HW1. (PIs may be outside). 4. You are to design a baseline were all horizontal curves have the same degree of curve D, an integer value. 5. Your baseline location and curves should allow for the highest possible speed of travel (minimize D.) A typical baseline is shown: (note one PI is outside the baseline corridor, but all the actual baseline is inside) Az 90 deg 1 PI1 BP 10000N/ 2 10000E Az 100 deg PI 3 Last EP Process: 1. Extend the Begin Project reference bearing (Az) into the corridor. Select a design value of TTL1 (Total Tangent
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HW2BHoriz Baseline DesignAZout100 - SUR 4201 HW2B...

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