This book contains papers, presented at the Second International RILEM Symposium on Demolition and Reuse of Concrete and Masonry, held in Tokyo, Japan, in November 1988, on various demolition techniques and practice as well as demolition machines of concrete structures.
Volume One Demolition Methods and Practice 1. Outline of various demolition methods and their evaluation 2. Demolition of concrete structures in Czechoslovakia 3. Development and current situation of breakers in Japan 4. A study on demolition method of concrete structures by cutting 5. Demolition of concrete structures (silent drill system) 6. Development of explosives and blasting technology for the demolition of concrete 7. Demolition of concrete structures by blasting and assumption of the range of destruction 8. Localized cutting and partial demolition in concrete with careful blasting 9. Blasting demolition of model reinforced concrete pillars 10. Further development of "miniblasting" 11. Development of a detonator with an electronic delay circuit 12. New firing system by cordless detonator 13. Non-explosive demolition agent 14. Static demolition of concrete by new demolition agent 15. The mechanism of expansive pressure and blow-out of static demolition agent 16. Splitting mechanism of rock and concrete under expansive pressure 17. Application of soundless cracking agent in China 18. Numerical simulation of rock fracturing produced by static pressure 19. Application of non-explosive demolition agent for reinforced concrete structure 20. Abrasive waterjet method for cutting reinforced concrete structures 21. Partial dismantling of a hospital by water jet system 22. Dismantling technique for reactor biological shield - abrasive waterjet 23. Experimental study for realization of thermic lance cutting method 24. Demolition of concrete structures by heat-a preliminary study II 25. Jet flame cutter method 26. Thermal cutting by eutectic generation: Principle and performance 27. Thermal cutting by eutectic generation: Monographs of applications to reinforced concrete structures 28. Stripping demolition of semi-circular RC wall by applying electric current through reinforcing bars 29. Demolition work for opening of diaphragm-wall shaft by applying electric current through reinforcing bars 30. Study of dismantling method of reinforced concrete by inductive heating 31. Microwave irradiation technology for contaminated concrete surface removal 32. Study of a method for crushing concrete with microwave energy 33. On concrete demolition by electric discharges 34. Cutting concrete by C02 laser 35. Wall damage, vibration and out-door sound caused by explosion inside a concrete structure 36. Reducing the blasting noise of high explosives used to demolish constituents of reinforced concrete structures 37. Characterization and treatment of the concrete dust for reactor biological shield concrete dismantlement 38. Asbestos exposure to workers demolishing asbestos cement clad buildings 39. Development of prevention techniques against asbestos hazard in building dismantling 40. Controlled Demolition of Prestressed concrete structures 41. Demolition of precast prestressed concrete structure 42. The demolition of prestressed concrete by eutectic generation thermal cutting 43. Demolition of motorway bridges by blasting 44. Computer simulation for felling patterns of building 45. Demolition method for reinforced concrete underground structures in Japan (Part 1 General) 46. Demolition method for reinforced concrete underground structures in Japan (Part 2 Demolition method) 47. Demolition method for reinforced concrete underground structures in Japan (Part 3, Practical examples of demolition procedure) 48. Blasting of the underground beam by SLB 49. The feasibility study and continuous control of the demolition of a lock wall of the Zandvliet lock 50. Application of non-explosive demolition agent for removing an upper portion of a cast-in-place concrete pile 51. Decommissioning program of Japan power demonstration reactor 52. Demolition technique for reactor biological shield concrete using diamond sawing and coring 53. Research and development of a machine for the removing system of biological shield wall of nuclear reactor 54. One piece reactor removal system Volume Two Reuse of Demolition Waste 55. Concrete with recycled rubble-developments in West Germany 56. The recycling of demolition debris: Current practice, products and standards in the United Kingdom 57. Recycling of concrete and demolition waste in the U.K. 58. Recycled cement and recycled concrete in Japan 59. On-site use of regenerated demolition debris 60. Properties and usage of recycled aggregate concrete 61. Experimental studies on placement of recycled aggregate concrete 62. Strength and elastic modulus of recycled aggregate concrete 63. Methods of improving the quality of recycled aggregate concrete 64. Strengths of concrete containing recycled concrete aggregate 65. Properties of concrete products containing recycled aggregate 66. Strength of recycled concrete made from coarse and fine recycled concrete aggregates 67. Effect of impurities in recycled coarse aggregate upon a few properties of the concrete produced with it 68. Durability of concrete using recycled coarse aggregate 69. The durability of recycled aggregates and recycled aggregate concrete 70. Some properties of recycled aggregate concrete 71. Mechanical properties and durability of concrete from recycled coarse aggregate prepared by crushing concrete 72. Strength and drying shrinkage behavior of concrete using concrete crushed aggregate 73. Properties of reinforced concrete beams containing recycled aggregate 74. Preplaced aggregate concrete made from demolished concrete aggregates 75. Properties of recycled aggregate from concrete 76. Manufacturing of recovered aggregate through disposal and recovery of demolished concrete structures 77. Demolition waste of the "Zandvliet" lock as aggregates for concrete 78. The use in roads of aggregates made from demolition materials 79. Reuse of recycled concrete aggregate for pavement 80. Reuse of crushed concrete as a road base material 81. Reuse of concrete pavements 82. The instances of concrete recycled for base course material in Japan 83. Crushed concrete used as basecourse material on runway 04R-22L at Copenhagen airport