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Construction pits, Tunnel Construction and Port Design (Fall 2007)

Course code : BBGR-T3-U1
ECTS Credits : 15 Status : Optional
Revised : 21/11 2007 Written : 16/09 2003
Placement : 6. -7. semester Hours per week : 0
Length : 1 semester Teaching Language : Danish and English

Objective : 1. Construction pits
The student shall obtain knowledge about and an understanding of the special problems and characteristics of design of Construction Pits with special emphasis on pits with bottom below groundwater table.
The student shall be able to plan the construction and design the structures in a Construction Pit.
2. Tunnel Construction
The student shall obtain knowledge about and an understanding of the different types of tunnel structures are designed.
The student shall be able to plan the construction and design the structures for tunnel and approach structures.
3. Port Design
The student shall obtain knowledge about and an understanding of the special problems and characteristics of design of Ports, including planning of Ports, design of Ports and Harbour structures and equipment in Ports.
The student shall be able to plan the construction and design the structures for offshore structures.

The student, who has fully fulfilled the aim of the course, are at the final test of the course able to:
• Choose and analyse a chosen port function and design it.
• Determine the loads on Offshore Structures.
• Evaluate and design structures in a Port
• Analyse and evaluate different types of tunnel structures with consideration of the function and the physical environnement.
• Analyse, evaluate and design tunnel structures. Substantiate the choice.
• Evaluate need for and extent of dewatering.
• Substantiate the choice of method of dewatering and design a dewatering system.
• Make slope stability analysis.
• Account for the cooperation in the team.
Principal Content : Overview of the subject of the course. The course works and projects of the course are chosen within these subjects.
Compulsory:
1. Construction Pits:
Design and Construction
Stability of bottom, slopes and walls.
Dewatering systems
Retaining walls (inclusive special walls)
Anchoring and props of walls
2. Tunnel construction
Tunnel types:
-Cut and cover.
-Immerged tunnels.
-Bored tunnels.
Tunnel structures:
-Top- and bottom slab.
Driven walls.
Insitu walls
3. Port Design
Loads on Offshore structures.
Types of Ports, planning and layout.
Design and calculation of structures in Ports:
Breakwaters and piers.
Berth Structures:
Sheet pile walls, anchor slab, stability of Berth Structures.
Equipment:
Fenders and bollards.

Scope of choice:
The students make a project on basis of above listed subjects after agreement with the teacher of the course.
The student shall have past all the theme courses.
Oral evaluation on basis of the project and the course works.
External examiner
7-scale
The evaluation is on basis of the course works and project carried out in the course and an interview about these in relation to the professional content of the course.
Teaching method : -Class teaching, examples, self study and study visits.
Course works and project, made in teams of 2-4 students after agreement with the teacher.
Required prequisites : The student shall have past all the theme courses.
Recommended prerequisites : -
Relations : -
Type of examination : Oral examination based on assignments
External examiner : External
Marking : 7 step scale
Remarks : The evaluation is on basis of the course works and project carried out in the course and an interview about these in relation to the professional content of the course.
Teaching material : Terzaghi, K., Peck, R.B., Mesri,G.: Soil Mechanics in Engineering Practice, 1996
Construction Dewatering: New Methods and Applications By J. Patrick Powers, 1992
DS 415 Code of practice for foundation.
Birte Rodevang: Introduction til BGR-T
Birte Rodevang: presentation and notes no. 1 Plane Seepage
Birte Rodevang: 1.1 example Plane Seepage
Birte Rodevang: presentation and notes no. 2 Dewatering
Birte Rodevang: 2.2 example circular construction pit
Birte Rodevang: 2.3 example rectangular construction pit B
Birte Rodevang: presentation and notes no.3: Retaining Walls
ARBED Denmark A/S
ARCELOR Long commercial (ALC) Denmark
Birte Rodevang: 3.1 example free sheet pile wall
Birte Rodevang: 3.2 example anchored
Birte Rodevang: 3.3.1 example propped sheet pile wall with 1 prop
Birte Rodevang: 3.3.2 example propped sheet pile wall with 3 props
Birte Rodevang: 3.3.3 example propped sheet pile wall with 2 props
Birte Rodevang: 3.3.4 example propped sheet pile wall with props and water pressure.
Birte Rodevang: 3.4 example calculation of anchor slab.
Birte Rodevang: presentation and notes no. 6 Stability of slopes
Birte Rodevang: Tunnel construction, general
Birte Rodevang: Tunnel construction, examples in Denmark
Birte Rodevang: Tunnel construction, examples future and outside Denmark
Birte Rodevang: notes no. 4 Ground Anchors
Aage Christensen A/S
A/S Skandinavisk Spændbeton/DNE fundering
Birte Rodevang: presentation and notes no.5: Port Design
Zhou Liu and Hans F. Burchardt: Port Engineering, 1999
Coastal Engineering Manual, U.S. Army Corps of Engineers, 2002
Zhou Liu and Peter Frigaard: Generation and analysis of random waves.2001
Birte Rodevang: notes no. 5.1 Anchor length calculation
Birte Rodevang: 5.1.1 example Anchor length calculation
Birte Rodevang: Presentation and notes: Breakwaters
Fentek catalogue
Bean Bollards catalogue
Responsible teacher : Birte Rodevang , brod@dtu.dk