- Page 1: DIGEST 2006
- Page 5 and 6: 4. Innovation The use of steel slag
- Page 7 and 8: 1 Valediction
- Page 9 and 10: economic growth. In addition to str
- Page 11 and 12: one of the world leading trade orga
- Page 13 and 14: Choosing road surfaces: Bitumen, gr
- Page 15 and 16: we can economically test a possible
- Page 17 and 18: oads. These considerations influenc
- Page 19 and 20: double that for two-lane surfaced r
- Page 21 and 22: elative fluctuation by increasing o
- Page 24 and 25: Optimising resource utilisation: Ag
- Page 26 and 27: COSHEC in 2007: Health and safety i
- Page 28 and 29: designed to assist road authorities
- Page 30 and 31: • Obtain endorsement and commitme
- Page 32 and 33: • institution of Sabita safety tr
- Page 34 and 35: Towards an informed industry: Updat
- Page 36 and 37: versions of some of Sabita’s earl
- Page 38 and 39: from texture treatments to overlays
- Page 40 and 41: South Africa's education system: A
- Page 42 and 43: environment and red tape on small a
- Page 44 and 45: Figure 2. Matric result trends the
- Page 46 and 47: professional work, within the conte
- Page 48 and 49: Assessing Teachers are often unclea
- Page 50 and 51: 3 HG learners in a class of 40 SG).
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The following observations may be m
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documented successful maths and sci
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public awareness programme to illus
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Surge in SAT's knowledge transfer a
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organisation. With the improvement
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accomplished through self-study. Th
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4 Innovation
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calcium oxide is not fully hydrated
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oad construction. As mentioned prev
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M ix type Coars e continuous Coarse
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Conclusions From the results presen
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itumen emulsion or foamed bitumen,
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operations, as well as to advance a
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Fischer-Tropsch wax bitumen modifie
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Viscosity The significant influence
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Figure 3: Layer temperature profile
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easily formed and shaped where nece
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Achieving cost-efficiency through t
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Graded stone seals The seals that a
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Figure 6 illustrates how the stone
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decided rather to use the old TRH8
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ecommendations (R69/97 for bitumino
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compositional fractions (See Table
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PRADO analysis. Large quantities of
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HMA research programme: Forensic in
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Conclusions The following conclusio
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test programme, will seek to develo
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Out of the box thoughts on traditio
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Or more appropriately, a lone thar
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seal, and everybody's happy! Or wer
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The status quo on landfill sites: D
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In August 2004 a status quo report
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Bond coats Bond coats were first us
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peak value of 1,2 J/cm 2 . Typical
- Page 127 and 128:
promote the breaking of the emulsio
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Bitumen stabilised materials: A per
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Figure 2: DSR testing at comparativ
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Revision of Technical Guideline 1 (
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º introducing upper limits on some
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void loss due to embedment and aggr
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Alternatives to coal tar products:
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you don’t measure” might have b
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gradually increased from approximat
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Conclusions MC 30 cutback bitumen
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Towards industry self-regulation: T
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Figure 2: Accidents involving heavy
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RTMS standards for transport operat
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operators as part of their quality
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• System installation i.e. applic
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Notes 169
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Advertiser Index Advertiser Page Co
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Sabita Video Training Aids Video se
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Associate Members Africon Engineeri