waterway engineeringwaterwan engineering chapter 2

1、Chapter 2Project design2.1 design philosophy2.2 typical project elements2.3 preliminary design checklist2.4 design considerations2.5 baseline studies2.6 typical engineering studies2.7 cargo types2.1 Design philosophy The design must recognize the needs and practices of the user The safety of the pro

2、ject will depend on the size and maneuverability of the vessels that will use the waterway, the size and type of channel, the aids to navigation, the effects of currents and wind, and the experience and judgment of pilots.2.1 Design philosophyThe solution of the design process must combine the follo

3、wing elements: Functionality Technology Environmental (what is allowed or accepted) Cost and benefit Paper work (drawing board) Matter (actual construction)2.1 Design philosophyA logical set of phases include: Initiative Feasibility Preliminary Design Final Design Detailed Design2.2 typical project

4、elements1. Entrance channel2. Jetties3. Interior channel4. Turning basin5. Anchorage area6. Special feature宝曰DRP邸气lJ.E1T,TY J)ITI DALBAYBU OYSORAES琴g-l-E EAOO 邓Y之 忖 它OCEAIN-ANN E LBEA CHFlCU邸 2-1. Ge叩 ric H盯加 r 飞vith Typical Project Elerrcents (EM1110-2-1613., 2 OO2 Dr咕）2.3 preliminary design checkl

5、istThe following checklist should be used: Review appropriate literature Consult with local port authority, pilot associations and harbor terminal users Collect and analyze pertinent physical and environmental data. Review appropriate local pilot or captain ship maneuvering strategy and evaluate exi

6、sting project navigation conditions Estimate volume and type of ship traffic and largest ships to be accommodated Estimate volume and type of commodity that will be moved2.3 preliminary design checklistThe following checklist should be used:7. Estimate amount, type, and frequency of hazardous cargo

7、movement, and evaluate special requirements8. Select and list the required project design operational conditions9. Select channel layout and alternative dimensions to be considered and determine advantages and disadvantages with annual costs10. Assess any adverse environmental and other impacts11. D

8、efine environmental mitigation needs and enhancement opportunities, especially beneficial uses for dredged material12. Review accident records for existing ship channels that are to be enlarged13. Security issues2.4 design considerations Whether one-or two-way A stepped channel with different depths

9、 The probability of unsafe conditions2.5 baseline studies1. Design vessel and other deep-draft vessels using waterway2. Other traffic using waterway3. Weather4. Characteristic of channel2.6 typical engineering studies1. Design ship2. Water level3. Currents4. Waves5. Sedimentation6. Channel depth7. Channel width8. Channel alignment2.6 typical engineering studies9. Dredging disposal10. Turning basins11. Entrance channel12. Jetties and breakwaters13. Environ