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15.30- 17.45 Discussion on:

Theories and hypotheses of generał character, soil properties, classification, engineering geology,

preccded by an introduction to the discussion by the General Reporter A. Casagrande (Professor at Harvard University, Cambridge, Mass., U.S.A.).

19.30- 22.00 Group 2

Visit to the Laboratory for Hydraulic Research and Soil Mechanics at the Swiss Federal Institute of Technology, Gloriastrasse 39, Zurich 7. Trams Nos. 5 and 6 to VoItastrasse (see Fig. 1).

Ladies’ Programme

15.30- 18.30

Tour of Zurich by coach and tea at the “Waid”. The coaches will bc in front ofthc Kongresshaus, entrance Claridcnstrassc, at 15.15. Thcy will return the same place at 18.30.

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Tuesday 18th August 1953 Second Session

09.00- 09.45

Lecture by Dr. R. Haefeli, Professor at the Swiss Federal Institute of Technology at Zurich:

Creep problems in soil, snów and ice.

10.00- 12.15 Discussion on:

Laboratory investigation, including compaction tests, improve-ment of soil properties,

preceded by an introduction to the discussion by the General Reporter, E.C.W.A. Geuze (Professor, Technical University, Delft).

Third Session

14.00- 14.45

Lecture by Dr. A. von Moos, Lecturer at the Swiss Federal Institute of Technology at Zurich:

The subsoil of Switzerland.

15.00- 17.15 Discussion on:

Field investigation, techniąue of field observations_y including compaction control, soil stabilisation_y

preceded by an introduction to the discussion by the General Reporter, W. J. Turnbull (Waterways Experiment Station, Vicksburg, U.S.A.).

Ladies* Programme

09.30-11.00 Group 1

Visit to the shop Grieder & Co., Silks, Woollens and Models, Bahnhofstrasse 30, Zurich. Assembly at the main entrance at

09.30 (see Fig. 1).

10.45-15.27 Group 2

Excursion to the Uetliberg for lunch.

Tram No. 8 to Zurich-Sclnau Station. Assemble at: Zurich-Selnau Station at 10.45 (see Fig. 1). Departure from Selnau Station at 10.57; return to Selnau Station at 15.27.

Fig. 3 Geological Sections of Zurich by A. von Moos

Coupes gćologiques a travers Zurich par A. von Moos

Dames

15.30    a 18.30

Visite de la ville en autocar et the a la «Waid». Depart des cars: Kongresshaus entree Claridenstrasse a 15.30; retour au Kongresshaus a 18.30.

Mardi 18 aout 1953 Deuxieme Session

09.00    k 09.45

Conference de M. le professeur D^r R. Haefeli, Ecole poly-techniąue federale, Zurich:

Creep problems in soil, snów and ice (Problemes du fluage dans les sols, neiges et glaces).

10.00    a 12.15

Discussion sur les themes de la Session:

Recherches de laboratoires, y compris essais de compaction,

amelioration des proprietes des sols,

precedee d’une introduction par le rapporteur generał

M.le professeur E. C. W. A.GEUZE(Universite techniąue, Delft).

Troisieme Session

14.00    a 14.45

Conference du D^r A. von Moos, charge de cours a PEcole polytechniąue federale de Zurich:

The subsoil of Switzerland (Le sous-sol de la Suisse).

15.00    a 17.15

Discussion sur les themes de la Session:

Recherches et essais du sol sur place, y compris controle de la compaction, stabilisation des sols, techniąue des observations sur le terrain,

precedee d’une introduction par le rapporteur generał M. W. J. Turnbull (Waterways Experiment Station, Vicksburg, U. S. A.).

Dames

09.30    a 11.00 Groupe 1

Visite des Magasins Grieder & Cie, soieries, lainages et cou-ture, Bahnhofstrasse 30, Zurich 1 (voir Fig. 1). Rassemble-ment a 09.30 a 1’entree principale des magasins.

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