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Bio-aggregates Based Building Materials: State-of-the-Art Report of the RILEM Technical Committee 236-BBM Softcover reprint of the original 1st ed. 2017 [Pehme köide]

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  • Formaat: Paperback / softback, 263 pages, kõrgus x laius: 235x155 mm, kaal: 4569 g, 127 Illustrations, color; 1 Illustrations, black and white; XXXIII, 263 p. 128 illus., 127 illus. in color., 1 Paperback / softback
  • Sari: RILEM State-of-the-Art Reports 23
  • Ilmumisaeg: 15-Jul-2018
  • Kirjastus: Springer
  • ISBN-10: 9402414703
  • ISBN-13: 9789402414707
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  • Formaat: Paperback / softback, 263 pages, kõrgus x laius: 235x155 mm, kaal: 4569 g, 127 Illustrations, color; 1 Illustrations, black and white; XXXIII, 263 p. 128 illus., 127 illus. in color., 1 Paperback / softback
  • Sari: RILEM State-of-the-Art Reports 23
  • Ilmumisaeg: 15-Jul-2018
  • Kirjastus: Springer
  • ISBN-10: 9402414703
  • ISBN-13: 9789402414707
The work of the RILEM Technical Committee (TC -236 BBM) was dedicated to the study of construction materials made from plant particles. It considered the question whether building materials containing as main raw material recyclable and easily available plant particles are renewable.

This book includes a state-of-the-art report and an appendix. The state-of-the-art report relates to the description of vegetal aggregates. Then, hygrothermal properties, fire resistance, durability and finally the impact of the variability of the method of production of bio-based concrete are assessed. The appendix is a TC report which presents the experience of a working group. The goal was to define testing methods for the measurement of water absorption, bulk density, particle size distribution, and thermal conductivity of bio aggregates. The work is based on a first round robin test of the TC-BBM where the protocols in use by the different laboratories (labs) are compared.  p>
Chapter
1. Chemical composition of bioaggregates and their interactions
with mineral binders.- 1.0 Introduction.- 1.1 Composition of hemp stem.- 1.2
Processing of hemp stem and microstructure of hemp shiv.- 1.3 Cell wall
components.- 1.4 Chemical composition of bioaggregates.- 1.5 Surface
characterization of bioaggregates adhesion between lignocellulosic
aggregates and a mineral binder.- 1.6 Chemical interactions between
bioaggregates and mineral binders.- 1.7 Conclusion.- References.
Chapter
2.
Porosity, pore size distribution, micro-structure.- 2.0 Introduction.- 2.1
Techniques used to measure porosity.- 2.2 Conclusion.- References.
Chapter
3. Water absorption of plant aggregate.- 3.0 Introduction.- 3.1 Wetting of
porous, heterogeneous surfaces.- 3.2 Transfer phenomena in a porous medium.-
3.3 Analogy with adhesion of mortars to a porous support.- 3.4 Overview of
the processes of binder/wood adhesion.- 3.5 Conclusion.- References.
Chapter
4. Particle Size Distribution.- 4.0 Introduction.- 4.1 General
characteristics of shiv particles.- 4.2 Sieving methods .- 4.3
Image-processing methods.-  4.4 Image-analysis.-  4.5 Characterization of the
PSD.- 4.6 Conclusions.- References.
Chapter
5. Bulk density and
compressibility.- 5.0 Introduction.- 5.1 Density and porosity, case of hemp
shiv.- 5.2 Bulk compressibility.- 5.3 Conclusions and perspectives.-
References.
Chapter
6. Hygric and thermal properties of bio-aggregate based
building materials.-  6.0 Introduction.- 6.1 Hygric properties.- 6.2 Thermal
properties.- 6.3 Concluding remarks on hygrothermal behavior of bio-aggregate
based building materials.- References.
Chapter
7. Bio-aggregate based
building materials exposed to fire7.1 Introduction.- 7.2 Fire reaction.- 7.3
Fire resistance.- 7.4 Real scale fire tests.- 7.5 Other quaint matter fire
test.- References.
Chapter
8. Durability of bio-based concretes.- 8.0
Introduction.- 8.1 Accelerated aging protocols for bio-based construction
materials.-8.2 Aging of bio-based concretes.-  8.3 Aging of natural
fibres-cement composites.- 8.4 Concluding remarks.- References.
Chapter
9.
Effect of testing variables (method of production).- 9.0 Introduction.- 9.1
Materials and methods.- 9.2 Results.- 9.3 Conclusion.- Acknowledgments.-
References.- APPENDIX : Technical Commitee Report - Rilem TC 236 BBM - Bio
based Building Materials - Round Robin test for hemp shiv Characterisation.-
Round Robin Test For Hemp shiv Characterisation.- Part 1 : Evaluation Of
Initial Water Content And Water Absorption.-  1 Introduction.- 2 Material.-
52%.- 18%.- 2.1 Microscopical description.- 3 Initial Water Content.- 3.1
Methods.- 3.2 Results.- 3.3 Concluding remarks on initial water content.- 4
Water Absorption.- 4.1 Description of the experimental methods.- 4.2
Results.- 4.3 Concluding remarks.- Summary of Findings.- Round Robin Test For
Hemp shiv Characterisation.- Part 2: Bulk Density And Particle Size
Distribution.- 5 Introduction.- 6 Material.- 52%.- 18%.- 7 Bulk Density.- 7.1
Methods.- 7.2 Results.- 7.3 Concluding remarks on bulk density.- 8 Particle
Size Distribution.- 8.1 Sieving method.- 8.2 Image processing.- 8.3
Comparison between sieving and image analysis results.- 8.4 Concluding
remarks on Particle Size Distribution.- Summary Of Findings.-
Acknowledgements.- Round Robin Test For Hemp shiv Characterisation.- Part 3 :
Thermal Conductivity.- 9 Introduction.- 10 Material.- 52%.- 18%.- 11 Thermal
Conductivity.- 11.1 Experimental methods.- 11.2 Results.- 11.3 Concluding
remarks.- Summary Of Findings.- Acknowledgements.