ﻢﯿﻣﺮﺘﻟا 150 (%) ﻢﯿﻣﺮﺘﻟا ﺪﻌﺑ ﻰﺼﻗﻷا ﻞﺒﻗ ﻰﺼﻗﻷا 100 50 ﻞﻤﺤﻟا ﻞﻤﺤﻟ 300 400 500 2 ﻢﺳ/ﻢﺠﻛ ﻢﯿﻣﺮﺘﻟا داﻮﻤﻟ ةﺰﯿﻤﻤﻟا ﺔﻣوﺎﻘﻤﻟا ﻢﯿﻣﺮﺘﻟا ءﺎﻨﺛأ ﻞﯿﻤﺤﺗ ﺪﺟﻮﯾ ﻻ %50 ﻢﯿﻣﺮﺘﻟا ءﺎﺛأ ﻞﯿﻤﺤﺘﻟا ﺔﺒﺴﻧ %100 ﻢﯿﻣﺮﺘﻟا ءﺎﻨﺛأ ﻞﯿﻤﺤﺘﻟا ﺔﺒﺴﻧ 0.9 K 0.6 ﻡﻴﻤﺭﺘﻟﺍ ﺩﻌﺒ ﺓﺩﻤﻋﻷﺍ ﺝﺫﺎﻤﻨ ﺓﺭﺩﻗ ﻰﻠﻋ ﻡﻴﻤﺭﺘﻟﺍ ﺓﺩﺎﻤ ﻁﻐﻀ ﺔﻤﻭﺎﻘﻤ ﺭﻴﺜﺄﺘ : ٣ 0 50 100 (%) ﻞﯿﻤﺤﺘﻟا ﺔﻟﺎﺣ ٦ لﻜﺸ ﺔﯿﻔﯿﻟ ﺔﻧﺎﺳﺮﺧ ﺔﯾدﺎﻋ ﺔﻧﺎﺳﺮﺧ ﺔﯿﺘﻨﻤﺳأ (ﺔﺳﺎﯿﻟ) ﮫﻧﻮﻣ K ﺔﻤﻴﻗ ﻰﻠﻋ ﻡﻴﻤﺭﺘﻟﺍ ﺓﺩﺎﻤ ﺔﻤﻭﺎﻘﻤ ﻭ ﻡﻴﻤﺭﺘﻟﺍ ﺀﺎﻨﺜﺃ لﻴﻤﺤﺘﻟﺍ ﺔﻟﺎﺤ ﺭﻴﺜﺄﺘ : ٤ لﻜﺸ
. ﺭﺒﻜﺃ ﻁﻐﻀ ﺔﻤﻭﺎﻘﻤ ﺎﻬﻟ ﺓﺩﺎﻤﺒ ﻪﻟﺍﺩﺒﺘﺴﺍ ﻭ ﻡﻴﺩﻘﻟﺍ ﻰﻨﺎﺴﺭﺨﻟﺍ ﺀﺎﻁﻐﻟﺍ ﺔﻟﺍﺯﺈﺒ ﺓﺩﻤﻋﻷﺍ ﺔﻴﻭﻘﺘ ﻭ لﻴﻫﺄﺘ ﺓﺩﺎﻋﺇ ﻥﻜﻤﻤﻟﺍ ﻥﻤ . ﻡﻴﻤﺭﺘﻟﺍ ﺀﺎﻨﺜﺃ ﹰﻼﻤﺎﻜ لﻤﺤﻟﺍ ﻊﻓﺭ ﻭﻫ ﺔﻨﺎﻴﺼﻟﺍ ﻭ لﻴﻫﺄﺘﻟﺍ ﺓﺩﺎﻋﺇ ﺩﻌﺒ ﺓﺩﻤﻋﻸﻟ ﻰﻠﻋﺃ ﺓﺭﺩﻗ ﻰﻠﻋ لﻭﺼﺤﻠﻟ ﻕﺭﻁﻟﺍ لﻀﻓﺃ ﻥﻤ ( ﻰﻨﺒﻤﻟﺍ ﺏﻠﺼ) ﹰﻼﻤﺎﻜ لﻤﺤﻟﺍ ﻊﻓﺭ ﻡﺘ ﺎﻤ ﺍﺫﺇ ﺎﻬﻨﻋ لﻘﺘ ﻡﻴﻤﺭﺘﻟﺍ ﺩﻌﺒ ﺎﻬﻨﺭﺩﻗ ﻥﺈﻓ ،ﺓﺩﻤﻋﻷﺍ ﻡﻴﻤﺭﺘ ﺀﺎﻨﺜﺃ لﻤﺤﻟﺍ ﻥﻤ % ٥٠ ١٩ - % ٩ . ﻡﻴﻤﺭﺘﻟﺍ ﺓﺩﺎﻤ ﺔﻤﻭﺎﻘﻤ ﻭ ﻉﻭﻨ ﺏﺴﺤ ﻰﻠﻋ ٧ ﻰﻟﺍﻭﺤ ﻊﻓﺭ ﻡﺘ ﺍﺫﺇ % ١٢ - % ٦ ﻥﻤ ﺡﻭﺍﺭﺘﺘ ﺏﺴﻨﺒ ﺡﻭﺍﺭﺘﺘ ﺏﺴﻨﺒ ﹰﻼﻤﺎﻜ لﻤﺤﻟﺍ ﻊﻓﺭ ﻡﺘ ﺎﻤ ﺍﺫﺇ ﺎﻬﻨﻋ لﻘﺘ ﻡﻴﻤﺭﺘﻟﺍ ﺩﻌﺒ ﺎﻬﺘﺭﺩﻗ ﻥﺈﻓ لﻤﺤﻟﺍ ﻊﻓﺭ ﻥﻭﺩﺒ ﺓﺩﻤﻋﻷﺍ ﻡﻴﻤﺭﺘ ﻡﺘﻴ ﺎﻤﺩﻨﻋ . ﻡﻴﻤﺭﺘﻟﺍ ﺓﺩﺎﻤ ﺔﻤﻭﺎﻘﻤ ﻭ ﻉﻭﻨ ﺏﺴﺤ ﻰﻠﻋ . لﻀﻓﺃ ﻥﺎﻜ ﻡﻴﻤﺭﺘﻟﺍ ﺓﺩﺎﻤ ﻁﻐﻀ ﺔﻤﻭﺎﻘﻤ ﺓﺩﺍﺯ ﺎﻤﻠﻜﻓ ،ﻡﻴﻤﺭﺘﻟﺍ ﺩﻌﺒ ﺓﺩﻤﻋﻷﺍ ﺓﺭﺩﻗ ﻰﻠﻋ ﺭﻴﺒﻜ ﺭﻴﺜﺄﺘ ﺎﻬﻟ ﻡﻴﻤﺭﺘﻟﺍ ﺓﺩﺎﻤ ﻁﻐﻀ ﺔﻤﻭﺎﻘﻤ ﺔــــﺼﻼﺨﻟﺍ ﻊــــﺠﺍﺭﻤﻟﺍ [1] Suleiman R. E., "Repair and Strengthening of Reinforeced Concrete Column" Ph.D Thesis, Middle East Technical University, 1991, 189 pp. [2] Ersoy U., Tankut T., and Suleiman R., "Behavoir of Jacketed Columns", ACI Jr. May-June 1993 pp. 288-293. [3] Rechart, F. E. and Staehle, G. C. "Column Tests at University of Illinios" Jr. ACI, 2, Feb., Mar, 1931; Proc., 27, pp. 731-761; Jr. 3, Nov. 1931, Jan. 1932 Proc., 28 pp. 167-279. [4] Galal K., Arafa A., Ghobarah A., "Retrofit of RC Square Short Columns", Engineering Structures 27 (2005) 801–813. [5] Huei-Jeng Lin and Chin-I Liao, "Compressive strength of reinforced concrete column confined by composite material", Composite Structures 65 (2004) 239–250. [6] ASTM A-820 “Standard Specification for Steel Fibers in Fiber-Reinforced Concrete”, American Society for Testing and Materials, 100 Bar Harbor Circle, West Conschohochen, PA 19428, USA. [7] N. Balaguru, S.P. Shah, "Fiber Reinforced Cement Composites", McGraw-Hill International Edition, 1982, pp. 179– 214. [8] Shaw JDN. Materials for concrete repair. In: Proceedings, 1st International Conference on Deterioration and Repair of Reinforced Concrete in the Arabian Gulf, Bahrain Society of Engineers, Manama, vol. 1, 1985, p. 127–38. [9] Allen RTL, Edwards SC, Shaw JDN. The repair of concrete structures. London: Blackie Academic and Professional; 1994. [10] Richart F. E. and Brown R. L., "An Investigation of Reinforced Concrete Columns", University Illinois Eng. Exp. Sta. Bull. 267, 1934. [11] ACI 318-89, "Building Code Reinforcements for Reinforced Concrete", Amr. Concr. Inst. 1989. [12] Winter G. and Nilson A. H., "Design of Concrete Structures", McGraw-Hill Book Company 8 th ed. 1972 pp. 15-27. [13] Trade Name of Adhesive and Powerful Material for Mortar and Concrete, Complies with ASTM C631. This Product of Chemical for Modern Building Company. [14] Egyptian Standard Specifications, “Composition, Specifications and Conformity Criteria for Common Cements”, Part 1, ES: 4756-1/ 2007. [15] Egyptian Standard Specifications, “Concrete Aggregates from Natural Sources”, ES: 1109/ 2002. [16] High Range Water Reducer, sulfonated, naphthalene formaldehyde condensate type compatible with ASTM C 494. % . ١ . ٢ . ٣ . ٤ . ٥
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