ترمیم، بازسازی و بهسازی بتن: مجموعه مقالات دومین کنفرانس بین‌المللی ICCRRR-2، کیپ تاون، آفریقای جنوبی، نوامبر ۲۰۰۸ ۲۰۰۸
Concrete Repair, Rehabilitation and Retrofitting II: 2nd International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR-2, 24-26 November 2008, Cape Town, South Africa 2008

1. Front cover

2. Table of contents

3. Preface

4. ICCRRR Committees

5. Keynote papers

6. Design for service life: How should it be implemented in future codes

7. Importance of microstructural understanding for durable and sustainable concrete

8. Advanced NDT methods for the assessment of concrete structures

9. Efficiency control of electrochemical repair techniques

10. External strengthening of continuous beams with CFRP

11. Diagnostic analysis and therapy of severely cracked bridges

12. Invited papers

13. Research in the field of repair – Actual approaches and future needs

14. Reflections on future needs in concrete durability research and development

15. Reinforcement corrosion: Research needs

16. Innovative materials and influences of material composition

17. High performance concrete for extreme applications

18. Durability and microstructural development during hydration in ultra-high performance concrete

19. Concrete ability to resist chloride ions using ternary blended cement

20. Sulphate resistance of high volume fly ash cement paste composites

21. Durability of light-weight concrete with expanded clay aggregate

22. On the potential of rubber aggregates obtained by grinding end-of-life tyres to improve the strain capacity of concrete

23. Investigations on the PCC-Microstructure after Mechanical Load

24. Composites in structures – Use of special strength theories based on the form of anisotropy

25. Concrete containers for containment of vitrified high-level radioactive waste: The Belgian approach

26. Performance of different types of Pakistani cements exposed to aggressive environments

27. Durability requirements in self-compacting concrete mix design

28. Chemical attack of SCC: Immersion tests and X-ray CT

29. Study of chloride penetration in self-compacting concrete by simulation of tidal zone

30. Transport of water and gases in crack-free and cracked textile reinforced concrete

31. Application of FRC and FRSC in structural elements of St Rok tunnel

32. Durability of Strain-Hardening Cement Composites (SHCC) – An overview

33. A novel durability design approach for new cementitious materials: Modelling chloride ingress in strain-hardening cement-based composites

34. A two component bacteria-based self-healing concrete

35. Self healing properties with various crack widths under continuous water leakage

36. Using natural wood fibers to self heal concrete

37. The effect of geo-materials on the autogenous healing behavior of cracked concrete

38. Surface protections to prevent Alkali-Aggregate Reactions (AAR) in concrete structures

39. Micro-scale alterations of cementitious surfaces subjected to laser cleaning process and their potential impact on long-term durability

40. Evaluation of anti-fouling strategies on aerated concrete by means of an accelerated algal growth test

41. Corrosion testing of low alloy steel reinforcement

42. Influence of the geometry and reinforcement content of specimens on frost de-icing salt resistance of concrete

43. Service life modelling and prediction of durability

44. Life cycle management of concrete structures Part I: Birth certificate

45. Life cycle management of concrete structures Part II: Monitoring

46. A Spreadsheet Model for Service-Life Predictions

47. Modeling of the influence from environmental actions on the durability of reinforced concrete structures

48. Studies on prediction models for concrete durability

49. Critical chloride content in reinforced concrete – State of the art

50. Use of durability indexes in probabilistic modelling for durability design of RC members

51. A simplified and practical approach regarding design for durability of reinforced concrete structures based on probabilistic modeling of chloride ingress

52. Assessment of the behaviour of concrete in the initiation period of chloride induced corrosion of rebars

53. Corrosion propagation in cracked and uncracked concrete

54. Effect of temperature on transport of chloride ions in concrete

55. Repair of architectural concrete and related modelling of carbonation-induced corrosion

56. Determination of critical moisture content for carbonation of concrete

57. Effect of environmental parameters on concrete carbonation. DURACON collaboration (Mexican results)

58. Improvements in durability design of concrete bridges in Croatia

59. Fire engineering in Croatia

60. Modelling of reinforcement corrosion

61. DFG Research Group 537: Modelling of reinforcement corrosion – An overview of the project

62. DFG Research Group 537: Modelling reinforcement corrosion – Investigations on the mechanism of cracking and spalling

63. DFG Research Group 537: Modelling of reinforcement corrosion – Macrocells and time dependence

64. DFG Research Group 537: Modelling of reinforcement corrosion – Validation of corrosion model

65. DFG Research Group 537: Modelling reinforcement corrosion – Corrosion measurements on cracked reinforced concrete beams

66. DFG Research Group 537: Modelling reinforcement corrosion – Numerical modelling of bond strength of corroded reinforcement

67. DFG Research Group 537: Modelling of reinforcement corrosion – Modelling loss of steel cross sectional area and design for durability

68. DFG Research Group 537: Modelling reinforcement corrosion – Observation and monitoring of self-corrosion processes in chloride contaminated mortar by X-ray tomography

69. Degradation assessment and service life aspects

70. An Austrian experience with identification and assessment of alkali-aggregate reaction in motorways

71. Chloride ion propagation in onshore zone of Recife-PE

72. Investigation of the deteriorations of educational institutes

73. Durability evaluations on the bridge over the Ruwais lagoon at Jeddah

74. Assessment of post-fire reinforced concrete structures. Determination of depth of temperature penetration and associated damage

75. Computer integrated knowledge systems for the assessment and diagnosing distress in concrete structures in Persian Gulf

76. Mechanical behaviour of corroded rebars and influence on the structural response of R/C elements

77. NDE/NDT and measurement techniques

78. Nondestructive testing methods for hardly accessible parts of structures

79. Vibration based assessment of shear connectors in concrete composite bridges

80. New approach to in-situ evaluation of watertightness of reinforced concrete underground structures

81. Experimental evaluation of indirect sonic wave transmission technique in the diagnosis and monitoring of concrete slabs

82. Ultrasonic imaging of post-tensioned concrete elements: New techniques for reliable localization of grouting defects

83. Practical experience of geo-radar technique application in the course of an integrated inspection of historical buildings

84. Wireless monitoring of structures including acoustic emission techniques

85. OSSCAR – Development of an On-Site SCAnneR for automated non-destructive bridge testing

86. Development of a portable LIBS-device for quality assurance in concrete repair

87. High speed chemical analysis of concrete surfaces using the LIBS method within the ILCOM project

88. On the possibility of rapid nondestructive determination of compressive strength of cement materials

89. Locating reinforcing bars in concrete with Electrical Resistance Tomography

90. Electrical resistance tomography imaging of concrete

91. Materials and structural assessments

92. Quality assessment of a 40-years old tunnel

93. Deficiencies in concrete structures “The Sherlock Holmes” factor

94. Contribution to diagnosis of alkali-silica reaction in a bridge structure

95. Condition assessment and repair alternatives for Lucko bridge overpasses of Zagreb

96. Service life extension of existing precast concrete girders

97. Approaches for the assessment of the residual strength of concrete exposed to fire

98. Residual strength of R.C. buildings after a fire: A case study

99. Assessment of fire-damaged concrete structures and the corresponding measures

100. Different methods to investigate and to repair the damages of a post-tensioned deck of a high-way bridge after a fire incident due to a traffic accident

101. Structural behaviour of beams under simultaneous load and steel corrosion

102. BETOSCAN – An instrumented mobile robot system for the diagnosis of reinforced concrete floors

103. Accelerated high water corrosion

104. Condition assessment of prestressed concrete structures with static and dynamic damage indexes

105. Debond Detection in RC Structures using piezoelectric materials

106. Development of a new test method for mineral based composites – Wedge splitting test

107. Evaluation of fibre distribution in concrete using AC impedance technique

108. Simple hydration equation as a method for estimating water-cement ratio in old concrete

109. Selection of an optimal method for humidity elimination in masonry buildings

110. Repair of guard gallery columns, Robben Island Maximum Security Prison

111. Repair methods and techniques

112. Concrete repair: Research and practice – The critical dimension

113. Performance based rehabilitation of reinforced concrete structures

114. Repair of bridge IB42 over the Limpopo river at Stockpoort border post

115. The aging of concrete sewers: Replace or rehabilitate

116. Concrete retrofitment solutions utilized at the Van der Kloof Dam spillway bridge

117. Rehabilitation of major bridges over the spillways of three of South Africa’s largest dams

118. Protection of concrete with water repellant agents – What is required to achieve a sufficient penetration depth?

119. Accelerated transport of corrosion inhibitors as complementary methodology for electrochemical chlorides extraction method

120. Crack repair in concrete using biodeposition

121. Cracked concrete repair with epoxy-resin infiltration

122. Concrete repair with ultra ductile micro-mesh reinforced abrasive resistant and impervious mortar

123. Electrochemical treatments of corroded reinforcement in concrete

124. Electrochemical impedance monitoring of carbon fiber as an anode material in cathodic protection

125. CP of the rear reinforcement in RC-structures – Numerical modelling of the current distribution

126. The application of electrochemical chloride extraction to reinforced concrete bridge members

127. The corrosion protection of embedded steel reinforcement in reinforced concrete structures using galvanic anodes

128. Re-alkalisation technology applied to corrosion damaged concrete

129. On pathology and rehabilitation teaching of concrete structures: A case study

130. Comparative study of cleaning techniques to be used on concrete indoors

131. Repair materials and systems

132. Material Data Sheet Protocol – From anarchy to order

133. Utilization of high performance fiber-reinforced micro-concrete as a repair material

134. Properties of modern rendering systems based on mineral binders modified by organic admixtures

135. Low shrinking self-compacting concretes for concrete repair

136. Effects of fiber and silica fume reinforcement on abrasion resistance of hydraulic repair concrete

137. Use of calcium sulfoaluminate cement to improve strength of mortars at low temperature

138. Development of Strain-Hardening Cement-based Composites for the strengthening of masonry

139. Air permeability of hardener-free epoxy-modified mortars as repair materials

140. Performance of corrosion inhibitors in concrete exposed to marine environment

141. Hydrophobic treatments on concrete – Evaluation of the durability and non-destructive testing

142. Application of the NMR-technique to concrete-coatings

143. Durability of adhesion of epoxy coatings on concrete; causes of delamination and blistering

144. Protection and rehabilitation of chemically high stressed concrete surfaces by thin glass

145. Bonded concrete overlays and patch repairs

146. Adhesion – A challenge for concrete repair

147. Concrete repair and interfacial bond: Influence of surface preparation

148. Correlation between the roughness of the substrate surface and the debonding risk

149. Performance of spall repair materials

150. Innovative concrete overlays for bridge-deck rehabilitation in Montréal

151. Mortar mix proportions and free shrinkage effect on bond strength between substrate and repair concrete

152. Evaluation of saturation and microcracking of the superficial zone of concrete: New developments

153. Spalling of sprayed concrete under tunnels fire conditions

154. Repair of slab surface with thin SFRC overlay

155. SHCC repair overlays for RC: Interfacial bond characterization and modelling

156. Modelling the performance of ECC repair systems under differential volume changes

157. Prevention of damages in industrial floors with screed layers

158. Evaluation of the effect of load eccentricity on pull-off strength

159. Proposal of an experimental programme for determining tensile relaxation in bonded concrete overlays

160. Structural repairs and strengthening

161. Analytical modelling of retrofitted reinforced concrete members with flexible bond

162. Experimental and analytical investigation of concrete confined by external pre-stressed strips

163. Flexure and shear behavior of RC beams strengthened by external reinforcement

164. Simplified verification of the bond resistance of externally bonded reinforcement at the area of the support moment

165. Loading test on a retrofitted pretensioned concrete girder after fire

166. Anchorage failure of RC beams strengthened with FRP at the bottom face

167. Strengthening and verification of the prestressed road bridge using external prestressing

168. Numerical simulation of continuous RC slabs strengthened using NSM technique

169. Non-linear finite element modeling of epoxy bonded joints between steel plates and concrete using joint elements

170. Increase in the torsional resistance of reinforced concrete members using Textile Reinforced Concrete (TRC)

171. Rejuvenating our aging structures: Cumberland street parking garage rehabilitation

172. Mountain pass slope failure retrofitted with half viaduct bridge structure

173. Rapid repair of RC bridge columns subjected to earthquakes

174. Rehabilitation problems regarding an over pass in Timisoara – Romania

175. Seismic retrofit and rehabilitation

176. An approach of service life in repair of structures with concrete due to natural hazards

177. Seismic behavior of FRP-upgraded exterior RC beam-column joints

178. 3D analysis of seismic response of RC beam-column exterior joints before and after retrofit

179. Seismic assessment of a RC school building retrofitted with innovative braces

180. Seismic response of FRP-strengthened corner RC beam-column joints

181. Experimental investigation on the seismic behaviour of SFRC columns under biaxial bending

182. Retrofitting techniques and FRP systems

183. Feasibility study of a novel prestressing system for FRP-laminates

184. FRP tendon anchorage in post-tensioned concrete structures

185. Durability of CFRP strengthened concrete structures under accelerated or environmental ageing conditions

186. Durability of GFRP composite made of epoxy/organoclay nanocomposite

187. Performance of Reactive Powder Concrete (RPC) with different curing conditions and its retrofitting effects on concrete membe

188. Residual strength of SBR-latex modified high strength concrete under repeated impact loading

189. Modeling the behavior of insulated FRP-strengthened reinforced concrete beams exposed to fire

190. Fracture optimization of RC beams strengthened with CFRP laminates with finite element and experimental methods

191. Comparing the behaviour of reinforced HSC beams with AFRP bars and confined HSC beams with AFRP sheets under bending

192. Corroded RC beam repaired with near-face mounted CFRP rods

193. Effect of damaged concrete cover on the structural performance of CFRP strengthened corroded concrete beams

194. Role of U-shaped anchorages on performance of RC beams strengthened by CFRP plates

195. Shear-flexure interaction of RC circular columns strengthened with FRP sheets

196. Strengthening of R/C existing columns with high performance fiber reinforced concrete jacket

197. Retrofitting of a precast industrial building

198. Strength and ductility of unreinforced concrete columns confined with CFRP composites under uniaxial loading

199. Experimental investigation on repair of RC pavements with SFRC

200. Experimental research of performance and strength of damage – Concrete beams strengthening with CFRP using two different epoxies

201. Strengthening of shear wall with high performance RC jacket

202. Author index

203. Back cover