Ofp

Figure 6.47. Shear capacity of column bases

Figure 6.47. Shear capacity of column bases

6.5 Design with strut and tie models

6.6 Anchorages and laps

6.7 Partially loaded areas

6.8 Fatigue

See example n. 6.15 No comments No comments

REFERENCES Shear

Aparicio,A., Calavera, J., del Pozo, F.J.,(2000) "Testing strut compression shear failure in beams", Polytechnic University of Barcelona.

Asin, M. (2000), "The behaviour of reinforced concrete deep beams", PhD-Thesis, Delft University of Technology, The Netherlands.

Aster, H., Koch, R. (1974), "Schubtragfähigkeit dicker Stahlbetonplatten", Beton- und Stahlbetonbau, 11/1974

Baldwin, J.W ., Viest, I.M. (1958), "Effect of axial compression in shear strength of reinforced concrete frame members", ACI-Journal, Vol. 30, No. 4, Nov. 1958, pp. 635-654.

Bennett, E.W., Balasoorya, B.M.A.(1971),"Shear strength of prestressed beams with thin webs failing in inclined compression", ACI-Journal, March 1971.

Bennett,E.W. ,Debaiky, S.Y. (1974),"High strength steel as shear reinforcement in prestressed concrete beams", ACI Special Publication 42, Vol. I, pp. 231-248, 1974.

Bernaert, S., and Siess, O.(1956), "Strength of shear in reinforced concrete beams under uniform loading", University of Illinois, June 1956.

Bhide, S.B., Collins, M.P.,(1989)''Influence of Axial Tension on the Shear Capacity of Reinforced Concrete Members", ACI Journal Sept.-Oct. 1989, pp. 570-581.

Chen Ganwei (1988), "Plastic Analysis of Shear in Beams, Deep, Beams and Corbels, Department of Structural Engineering, Technical; University of Denmark, Serie R, No. 237, 1988.

Clark, A.P. (1951), "Diagonal tension in reinforced concrete beams", ACI Journal Vol. 32, No. 2, October 1951, pp. 145-156.

De Cossio, R.D., Siess, C.P. (1960), "Behavior and strength in shear of beams and frames without web reinforcement", ACI-Journal, Feb. 1960, pp. 695-735.

Foure, B. (2000), "Proposal for rewriting item 6.2.4 in section 6.2 (Ultimate Limit State - Shear", Note to Project Team for EC-2, May 2000 (unpublished).

Görtz, S., Hegger, J (1999), "Shear Capacity of Prestressed Concrete Beams of HSC Elements", Symposium Utilization of High Strength/ High performance Concrete, Sandefjord, Norway, 20-24 June 1999, proceedings, Vol. 1, pp. 312-321.

Hamadi, Y.D. and Regan, P.E. (1980), "Behavior of normal and lightweight aggregate beams with shear cracks", The Structural Engineer, Vol. 58B No. 4, December 1980, pp. 71-79.

Hanson, J.M., Hulsbos, C.L. (1964),"Ultimate shear tests on prestressed concrete Ibeams under concentrated and uniform loading", PCI-Journal, June 1964, pp.15-28

Hedman, O., Losberg, A. (1978), "Design of concrete structures with regard to shear forces", CEB Bulletin d'Information No. 126, pp. 184-209, 1978.

Hognestadt, E. ,Elstner, R.C. (1957), "Laboratory investigation of rigid frame failure", ACI Journal, V. 53 No. 1, Jan 1957, pp. 637-668.

Kani, G.N.J. (1966), "Basic Facts Concerning Shear Failure", ACI-Journal 64, (1966), No. 6, pp.675 - 692.

König, G., Fischer, J. (1995), "Model Uncertainties concerning Design Equations for the Shear Capacity of Concrete Members without Shear Reinforcement", CEB Bulletin 224, July 1995, pp. 49-100.

Krefeld, W.J., and Thurston, C.W. (1966), "Studies of the shear and diagonal tension strength of simply supported reinforced concrete beams", ACI Journal, Vol. 63, No. 4, April 1966, pp. 451-476.

Küng, R., "Ein Beitrag zur Schubsicherung im Stahlbetonbau", Betonstahl in Entwicklung, Heft 33, Tor-Esteg Steel Corporation, Luxemborg.

Lehwalter, N. (1988), "The bearing capacity of concrete struts in strut and tie models exemplified for the case of short beams", PhD-Thesis, Darmstadt University of Technology , Germany (in German).

Leonhardt, F., Walther, R. (1961), "The Stuttgart shear tests 1961", Series of papers in Beton - und Stahlbetonbau,

Leonhardt, F., Koch, R., Rostsy, F., (1973), "Schubversuche an Spannbetonträgern", Deutscher Ausschuss für Stahlbeton, Heft 227, Berlin.

Levi, F., Marro, P. (1993), "Shear tests on HSC prestressed beams - proposals of new interpretative models", Conference on High Strength Concrete 1993, Lillehammer 20- 24 June, Proceedings, pp. 293-305.

Leung, Y.W., Chew, C.B. and Regan, P.E. (1976), "Shear strength of various shapes of concrete beams without shear reinforcement", Polytechnic of Central London, 1976.

Lyngberg, B.S., (1976), Ultimate shear resistance of partially prestressed concrete Ibeams", ACI-Journl, April 1976, pp. 214-221.

Mathey, R.G., Watstein, D. (1963), "Shear strength of beams without web reinforcement containing deformed bars of different yield strengths", ACI Journal Vol. 60., No. 2, Feb. 1963, pp. 183-207.

Moayer, H. and Regan, P.E., (1974) "Shear strength of prestressed and reinforced concrete T-beams", ACI Special Publication 42, Vol 1, pp. 183-221, 1974.

Morrow, J., Viest, .M. (1957), "Shear strength of reinforced concrete beams, ACI Journal, Vol. 28, No. 9, March 1957, pp. 833-869.

Muhidin, N.A. and Regan, P.E. (1977), "Chopped steel fibres as shear reinforcement in concrete beams", Fibre reinforced materials - design and engineering applications, Proceedings of a conference, Institution of Civil Engineers, London 1977, pp. 135 - 149.

Nielsen, M.P. (1990), "Commentaries on Shear and Torsion", Eurocode 2 editorial Group - 1st draft -October 1990.

PrEN 1990, Eurocode: Basis of Structural Design, Stage 34, Draft version Dec. 2001.

Regan, P.E. (1971), "Shear in reinforced concrete - an experimental study", Technical Note 45, CIRIA, London.

Regan, P.E. (1999), "Ultimate Limit State Principles: Basic design for moment, shear and torsion", in fib Text Book on Structural Concrete, Vol. 2, pp. 141-223.

Regan, P.E., Reza-Jorabi, H. (1987), "The shear resistance of reinforced concrete Ibeams", Studi e Ricerche, Politecnico di Milano, Vol 19, 1987, pp. 305-321.

Regan, P.E. (1998),"Enhancement of shear resistance in short shear spans of reinforced concrete", an evaluation of UK recommendations and particularly of BD- 44/95, University of Westminster, London, 1998 (14 pages).

Regan, P.E. (2000), "Aspects of diagonal tension in reinforced concrete", Structural Concrete, Journal of fib, No. 13, 2000, Sept. 119-132.

Rogowski, D.M., MacGregor, J.G. (1983),"Shear strength of deep reinforced concrete continuous beams", Structural Engineering Report, No. 11., University of Alberta, Nov. 1983.

Rüsch, H., Haugli, F.R., Mayer, H. (1962), "Shear tests on rectangular reinforced concrete beams with uniformly distributed loads", Deutscher Ausschuss für Stahlbeton, Berlin, Heft 145 (in German).

Sörensen, H.C. (1974). "Shear tests on 12 reinforced concrete T-beams", report R60, Structural research Laboratory, Technical University of Denmark, 1974.

Taerwe, L.R. (1993), "Toward a consistent treatment of model uncertainties in reliability formats for concrete structures", CEB Bulletin d'information 219, "Safety and Performance Concepts", pp. 5-35.

Walraven, J.C. (1978), "The influence of member depth on the shear strength of normal and lightweight concrete beams without shear reinforcement", Stevin Report 5-78-4, Delft University of Technology, 1978.

Walraven, J.C. (1987), "Shear in prestressed concrete", CEB-Bulletin d'Information Nr. 180, 144 pages.

Walraven, J.C., Lehwalther, N. (1989), "The bearing capacity of concrete struts in strut and tie models exemplified for the case of short beams", Beton-und Stahlbetonbau, Heft 4, April '89, pp. 81-87 (in German).

Walraven, J.C., Lehwalther, N. (1994), "Size effects in short beams loaded in shear", AC_ - Structural Journal, Vol. 91., No. 5., Sept.-Oct. 1994, pp. 585-593.

Walraven, J.C., Al-Zubi, N. (1995),"Shear capacity of lightweight concrete beams with shear reinfocement", Proceedings Symposium on Lightweight Aggregate Concrete, Sandefjord, Norway, Vol. 1, pp. 91-104

Walraven, J.C., Stroband, J. (1999), Shear capacity of high strength concrete beams with shear reinforcement", Symposium on High Strength Concrete, Sandefjord, Norway, 20-24 June 1999, Proceedings Vol. 1. pp. 693-700.

Punching

1. Walraven, J.C.; CEB-Bulletin d'lnformation 180, "Shear in Prestressed Concrete" pp.68-71.

2. Kinnunen, S., H. Nylander; "Punching of concrete slabs without shear reinforcement", Transactions of the Royal Institute of Technology, Stockholm, Civil Engineering 3,Nr. 158, 1960.

3. Marti, P, J. Pralong, B. Thurlimann; "Schubversuche an Stahlbetonplatten", Institut fur Baustik und Konstruktion, ETH Zurich, Berich Nr. 7305-2, Birkhauser Verlag Basel, September 1977.

4. Seible, F., A. Ghali, W.H. Digler; "Preassembled shear reinforcing units for flat plates", ACI-Journal, Jan-Feb. 1980, pp. 28-35

5. Pralong, J., w. Briindli, B. Thurlimann; "Durchstanzversuche an Stahlbeton-und Spannbetonplatten", Institut fur Baustatik und Kkonstruktion, EHT Zürich, Bericht Nr. 7305-3, Birkhiiuser Verlag Basel, December 1979.

6. Franz, G.; "Versuche an Stahlbetonkorper der Flachdecke im Stiitzenbereich-Versuchsreihen I en II, Institut fur Beton- und Stahlbetonbau," TH Karlruhe, 1963 und 1964.

8. Tolf, P.; "Effect of slab thickness on punching shear strength of concrete slabs. Tests on circular slabs", Bulletin 146, Dept. of Structural Mechanics and Engineering, Royal Institute of Technology, Stockholm (in Swedish with summary in English).

9. Marzouk, H., A. Hussein; "Experimental investigation on the behavior of high strength concrete slabs" ACI-Structural Journal, Vol. 88, No.6, American Concrete Institute, Detroit, pp. 701-713.

10. Tomaszewicz, A.; "High-Strength .SP2 -Plates and Shells, Report 2.3 "Punching shear capacity of reinforced concrete slabs", Report No. STF70 A93082, SINTEF Structures and Concrete, Trondheim, 36 pp.

11. Regan P.F., A. Al-Hussaini, K.E. Ramdane, H.Y. Xue; "Behavior of high strength concrete slabs", Proceedings of the international conference Concrete 2000, Sept. 7-9, 1993, Vol. 1, pp. 761-773.

12. Hallgren, M; "Punching shear tests on reinforced high strength concrete slabs", KTH Stockholm, Technical Report 1994, No.14. Structural Mechanics.

13. Taerwe, L.R.; "Towards a consistent treatment of model uncertainties in reliability formats for concrete structures", CEB-Bulletin d'Information 219, "Safety and Performance Concepts", p 5-35.

14. Konig, G., Fischer, J,,"Mode1 Uncertainties concerning Design Equations for the Shear Capacity of Concrete Members without Shear Reinforcement", in CEB Bulletin 224, Model Uncertainties, July 1995, pp. 49-100.

15. Kinnunen, S., Nylander, H., "Punching of Concrete Slabs without Shear Reinforcement" Meddelande N. 38, Institutionen for Byggnadstatik, Kungilga Tekniska Hogskolan, Stockholm 1960.

16. Moe, J ./'Shearing strength of reinforced concrete slabs and footings under concentrated loads" Development Department Bulletin d47, Portland Cement Association, Apri11961.

17. Herzog, M.,"Der Durchstandswiderstand von Stahlbetonplatten nach neu ausgewerteten Versuchen", Ostereichische Ingenieurzeitschrift, Vol. 14, 1971, Nr. 6, pp. 186-192, Nr. 7. Pp.216-219.

18. Petcu, V., Stanculescu, G., Pancaldi, U., "Punching strength predictions for two-way reinforced concrete slabs", Revue Romaine des Sciences Techniques: serie de la mechanique applique, No 2, March/Apri11979, Rumania.

19. Kordina, K., No1ting, D., "Shear capacity of reinforced concrete s1abs subjected to punching", Deutscher Ausschuss fur Stahlbeton, Nr. 371, Berlin, 1986 (in German)

20. Elstner, R.C., Hognestad, E., "Shearing strength of reinforced concrete slabs", ACI Journal, Vo1. 53, July 1956, pp. 29-58.

21. Regan, P.E., "Single legged stirrups as shear reinforcement in reinforced concrete flat slabs", Structures Research Group, Polytecnic of Central London, 1980

22. Gomes, R.B.,"Punching resistance of reinforced concrete flat slabs",PhD-Thesis, Polytechnic of Central London, 1991

23. Gomes, R.B., Andrade, M.A.S.,"Punching in reinforced concrete flat s1abs with holes", Developments in Computor Aided Design and Modeling for Structural Engineering, Civil- Comp Press, , Edingburgh, pp. 185-193.

24. Regan, P.E., "Ultimate Limit State Principles", Model Code Text Book, Part 7.4 Punching, in fib-

Bulletin 2, Structural Concrete, July, 1999, Vol. 2, pp. 202-223.

25. Yitzhaki, R., "Punching strength of reinforced concrete slabs", ACI Journal Vol. 63, Nr. 5, Mau 1966, pp. 527-542.

26. Stamencovic, A., Chapman, J.C., "Local strength of flat slabs at column heads",

27. Report Nr. 39, Construction Industry Research and Information Association, London, 1972.

28. Shehata, L.A.E., "Puncionamento assimetrico em lajes de concreto, COPPE/UFRJ, Rio de Janeiro, 1987

29. Regan, P .E., "Behaviour of reinforced concrete flat slabs", Report No.89, Construction Industry Research and Information Association, London 1980.

30. Hanson, N.W., Hanson, J.M., "Shear and moment transfer between concrete slabs and columns", Portland Cement Association, Development Bulletin D129, Jan 196B.

31. Islam, S., Park, R.,"Tests on slab-column connections with shear and unbalanced flexure, Journal of the Structural Division, Proceedings, ASCE, Vol. 1002 No ST3, March 1976, pp. 549-568.

32. Anis, N.N.,"Shear strength of reinforced concrete flat PhD slabs without shear reinforcement", Thesis Imperial College, London, 1970.

33. Narasimhan, N., "Shear reinforcement in reinforced concrete column heads", PhDThesis, Imperial College, London 1971

34. Hawkins, N.M., Bao, A., Yamazaki,J.,"Moment transfer from concrete slabs to columns", ACI Structural Journal, v. 86, No.6, Nov-Dec. 1998, pp. 705-716.

35. Mast, P.E., "Stresses in flat plates near columns", ACI Journal, Oct. 1970, pp. 761- 768.

36. Mast, P.E.,"Plate stresses at columns near to free edges", ACI Journal, Nov. 1970, pp. 899- 902.

37. Regan, P .E., "Explanatory notes on proposed Model Code (MC'90)", Note to CEB Commission IV, May 8th 1990.

38. Regan. P.E., Braestrup. M.W., "Punching shear in reinforced concrete", CEB-Bulletin d'Information No.168, Jan.1985.

39. Lucio, V.J.G., Appleton, J.A.S., Almeida, J.P., "Ultimate limit state of punching in the (fib) FIP Recommendations for the design of post-tensioned slabs and foundations", Structural Concrete, Journal of fib, 2000, 1, No.3, Sept. 143-149.

40. Andersson, J.L., "Genomstansning ay lift slabs (Punching of lift slabs)", Nordisk Betong, Year 7,1963, H.3, pp. 229-252.

41. Gerber, L.L., Burns, N.H., "Ultimate strength tests of post-tensioned flat plates", PCIJournal, Nov/Dec. 1971, pp. 40-58.

42. Stahlton, A.G., "Flat slabs with Stahlton column strip prestressing", unpublished Report of Stahlton AG, Zurich, 1974/75 (in German).

43. Pralong, J., Brandli, W., Thurimann, B., Punching tests on reinforced and prestressed slabs", Institute for Building Statics and Structural Design", ETH Zurich, Report Nr.7305-3, Birkhiiuser Verlag Basel, December 1979 (in German).

44. Kordina, K., Nolting, D.,"Tests on shear in slabs, prestressed with unbonded tendons", Report of the Institute for Materials, Concrete Structures and Fire, TU Braunschweig, September 1984 (in German).

SECTION 7. SERVICEABILITY LIMIT STATES (SLS)

7.1 General

7.2 Stress limitation

7.3 Crack control

7.3.1 General considerations

7.3.2 Minimum reinforcement areas

0 0

Post a comment