Courses list

Wersja polska

Course code: IWS10200o13
Semester: 2013/2014 summer
Name: Earthen Structures
Major: Water Engineering and Managment
Study Type: first cycle
Course type: compulsory
Study Semester: 6
ECTS points: 5
Hours (Lectures / Tutorials / Other): 30 / 30 / 0
Lecturer: dr inż. Daniel Garlikowski
Language of instruction: Polish


Learning outcomes: After the course the student possesses theoretically-based general and specific knowledge of the main issues related to the area of earth works. The student knows the criteria of the location of earth structures as well as the topographic and geotechnical problems connected with the realisation thereof;(s)he is able to calculate the volume of earth works, select the equipment for different kinds of earth works; (s)he can design and execute stable excavations and banks taking into account soil properties; (s)he knows the applications of specific types of geosynthetics; (s)he knows the technical requirements that should be met by communication earth work structures; (s)he is able to design a structure made from reinforced soils. The student can identify and describe the specific features of simple engineering tasks of a practical nature. (S)he is able to evaluate the usability of applied methods and tools for the solving of problems and designing of earth work objects. The student can calculate the dimensions of earth work structures, (s)he knows the principles governing the strengthening and modification of the subsoil; (s)he can perform the dimensioning of reinforced soils and structures that use geosynthetic materials; (s)he can select the appropriate equipment for the loosening, transport and densification of soil; (s)he can select the appropriate machinery and equipment for special works; (s)he is able to perform the necessary calculations and construction cross-sections of the designed objects.

Competences: The student understands the importance of infrastructural development for the national development; (s)he is aware of the influence of linear earth structures on the natural environment.

Prerequisites: hydrogeology and soil mechanics

Course content: Technical requirements that should be met by earth structures. Criteria of the location of earth structures, calculation of the volume of earth works and mass distribution. Types of equipment used in earth works, physical and mechanical properties of soils for earth structures. Dimensioning of earth structures, strengthening and modification of subsoil, application of geosynthetics, reinforced earth. Performing earth works in extraordinary conditions. Repairing the damages to earth structures, the maintenance and servicing thereof.

Recommended literature: Czamara A., Kowalski J., Molski T.: 2005. Hydrogeologia inżynierska z podstawami gruntoznawstwa. Skrypt AR we Wrocławiu nr 504; Datka S., Lenczewski St.: Drogowe roboty ziemne. WKŁ, Warszawa 1979; Kosmala: Materiały do ćwiczeń z urządzeń terenów zieleni – roboty ziemne. Wyd. SGGW – AR, Warszawa1985; Garlikowski D., Pawłowski A., Orzeszyna H.: Wybrane zagadnienia z zastosowania geosyntetyków w budownictwie wodno-melioracyjnym. Wyd. UP we Wrocławiu. Wrocław 2008; Garlikowski D., Pawłowski A., Orzeszyna H., Lejcuś K.: Flood embankments modernisation with use of vertical hydraulical cut-off walls field research results. Wyd. UP we Wrocławiu, Wrocław 2010; Molisa R., Baran L., Werno M.: Nasypy na gruntach organicznych. WKŁ, Warszawa 1986; Pisarczyk S.: Grunty nasypowe. Oficyna Wydawnicza Politechniki Warszawskiej, Warszawa 2004; Pisarczyk S.: Geoinżynieria. Metody modyfikacji podłoża gruntowego. Oficyna Wydawnicza Politechniki Warszawskiej. Warszawa 2006; Praca zbiorowa pod red. Smoltczyka A.: Gruntbau Taschenbuch. Vol. 1,2 i 3. Berlin, Dusseldorf, Munchen 1980; Roboty ziemne. Warunki techniczne wykonania i odbioru. Ministerstwo Ochrony Środowiska, Zasobów naturalnych i Leśnictwa . (1996); Wesołowski A. i inni: Geosyntetyki w konstrukcjach inżynierskich. SGGW – AR, Warszawa 2000; Wiłun Z.: Zarys geotechniki. WKŁ, Warszawa 2008.

Assessment methods: project-based credit, written examination

Comment: Lecture 1: General characteristics of earth works and structures: road banks, flood embankments, pond dikes, earth dams, permanent and temporary excavations. Lecture 2: Criteria of the location of earth structures as well as the topographic and geotechnical problems connected with the realisation thereof; Lecture 3: Elements of earth structures and potential threats to their sustainability. Methods of calculating the volume of earth works and principles of the distribution of earth masses. Lecture 4: Equipment used in earth works: machinery for the loosening and transport of soil, types and principles of operation of soil densification equipment, machinery and equipment for special works. Lecture 5: Soil as construction material: soils used for various types of embankments; the variability of the physical and mechanical properties of soils resulting from the changes in moisture content; soil categories; problems related to the stability of natural embankments and slopes. Lecture 6: Technology of earth works. Recognition of soil deposits, preparation, exploitation and re-cultivation of deposits. Lectures 7, 8: Detailed characteristics of soil embankments of hydrotechnological structures. Dimensioning of structures taking into account the stability, subsidence, sealing and drainage. Lecture 9: Specific instances of earth works: earth works in winter, excavations and embankments on weak soils, maintenance and servicing of earth structures, strengthening of subsoil. Lectures 10, 11: Geosynthetics: types, functions and applications. Lectures 12, 13: Structures made from reinforced soils. Lecture 14: Principles of the designing of structures with use of geosynthetics. Lecture 15: Damages to earth structures and the repairs thereof. Type and scope of the classes: Design classes. Class 1: Preliminary, construction and working design. Location and altitude plans. Studies on the routes of linear engineering structures. Classes 2, 3: Designing of cross-sections and longitudinal cross-sections, marking the contours of structures on location plans. Classes 4, 5: Drainage of the designed structure. Classes 6-9: Calculation of the volume of earth works and mass distribution. Classes 10-13: Design and technical drawings of road culvert. Classes 14-15: Design of road culvert abutment from reinforced soil.