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2. Standard step method - Wikipedia

   en.wikipedia.org/wiki/Standard_Step_Method

   To find the length of the gradually varied flow transitions, iterate the “step length”, instead of height, at the boundary condition height until equations 4 and 5 agree. (e.g. For an M1 Profile, position 1 would be the downstream condition and you would solve for position two where the height is equal to normal depth.)

3. Hydraulic jumps in rectangular channels - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_Jumps_in...

   The height of the hydraulic jump, similar to length, is useful to know when designing waterway structures like settling basins or spillways. The height of the hydraulic jump is simply the difference in flow depths prior to and after the hydraulic jump. The height can be determined using the Froude number and upstream energy. Equations:

4. Hydraulic jump - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_jump

   The hydraulic jump in a sink. Figure 2 above illustrates an example of a hydraulic jump, often seen in a kitchen sink. Around the place where the tap water hits the sink, a smooth-looking flow pattern will occur. A little further away, a sudden "jump" in the water level will be present. This is a hydraulic jump.

5. Engineering drawing abbreviations and symbols - Wikipedia

   en.wikipedia.org/wiki/Engineering_drawing...

   Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, ASME standard Y14.38 [1] is one of the standards. Australia utilises the Technical Drawing standards AS1100.101 (General Principals), AS1100-201 (Mechanical Engineering Drawing) and AS1100-301 (Structural ...

6. Shaft sinking - Wikipedia

   en.wikipedia.org/wiki/Shaft_sinking

   Where the depth of bedrock is too great to for a box cut to be economically viable, or the bedrock is not strong enough, civil engineering techniques such as diaphragm walls or concrete piles may be used to create a deep foundation instead. Pre-Sink. The pre-sink is the excavation and support of the first 60 – 100 metres of the shaft barrel ...

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