[Metropolia Student Project Seminar 24.5.] Innovative Building Materials

The present study outlines behavior of normal and reactive powder concrete beams repaired with epoxy resin. Such type of epoxy technique made for cracks width less than (0.05) mm. For this purpose, four reinforced concrete beams were casted and tested to maintain failure and deformations. Two amounts of tensile reinforcement ratios and concrete types were used in this study. The load-deflection behavior, ultimate capacity, mode of failure, stiffness and toughness were studied

Business Technologie

Innovative Building Materials:

A Report on Oriented Strand Board, Plywood &
Similars, CO2 Absorbing Concrete, and Reactive
Powder Concrete

Mikhail Shandalovich
Zachary Hawkins
Deniz Löktas
Peteris Putelis

Sustainable development is development that meets the needs of
the present without compromising the ability of future generations
to meet their own needs.

A sustainable material meets the needs of this generation, without
compromising the ability of the next generation to repurpose or recycle
that material to meet their own needs.

Does your material cost less to
produce than standard
materails?

Yes NO

Does your material perfom on a scale that is Does your material out perform existing
better than its percentage of existing materials marterials on a scale equal to its cost
cost increase?

Yes No Yes No

Innovative Materials
 Oriented Strand Board
 Plywood and it’s Simalars
 CO2 Absorbing Concrete
 Reactive Powder Concrete

Oriented Strand Board

OSB is an engineered
wood product formed by
layering strands (chips)
of wood in specific
orientations.

Created in Canada in the
late 1970s, OSB is a result
of waffle board
development.
http://image.made-in-china.com/2f0j00HBvQptWavMzj/OSB-
Board-1.jpg

Production

Layers are laid down
sequentially:
longitudinal, transverse and
longitudinal.

Adhesive resin is sprayed
with a rotating disks.

http://www.cambridge-biopolymers.com/images/OSB%20and%20resin.jpg
http://upload.wikimedia.org/wikipedia/commons/7/71/OSB_production.jpg

Classification:
- OSB1
- OSB2
- OSB3
- OSB4

Materials:
- Pine wood (originally)
- White birch
- Maple
- Amber wood
- Rubber tree
- Eucalyptus

http://i00.i.aliimg.com/img/pb/805/275/245/1272427387103_hz_fileserver3_1952093

Implementation

Why to use OSB in
construction?
- No shrinkage
- No design restrictions
- Lower price
- Expedited construction

Sustainability

OSB recycles wooden
production waste material:
chips and other wooden
particles.

PLYWOOD and similars

Plywood is a wood product
which is made of layers parallel
to each other with 0 or 90

degrees angle.

It is possible to be covered by
any other material.

Photos by Deniz Löktas 2012

Any thickness and
extra material layer.

Any color is possible.

Photos by Deniz Löktas 2012

Interviews

Lars Ostenfeld Eric Pollock - Jouni Kalliomäki
Riemann - METROPOLIA - METROPOLIA
RAMBOLL

Photos by Deniz Löktas 2012

Innovation

Wood materials have been started to be
considered as materials to make buildings with
seismic strength.

For this purpose, a 7 storey wooden building
was tested in Japan against earthquake, in
2007 by Italian Professor Ario Ceccotti,
University of Venice, Civil Engineering
Department.

There are similar researches made in USA by
National Science Foundation, under the name Prof. Ario Ceccotti
of NEESWood Project.

www.dolomitipro.it/foto/anteprima/prof_ario_ceccotti_cnrivalsa,17.jpg

X-LAM Test by Prof.Ario Ceccotti, University of Venice

Video: http://www.youtube.com/watch?v=T08KRyVhyeo

Supplementary cementing
materials
 Fly ash
 Blast-furnace slag
 Silica fume

Benefits
 Buildings are more energy
efficient
 Concrete absorbs CO2
throughout its lifetime
 Concrete incorporates recycled
industrial byproducts

Steel fibers .2mm in diameter and 11-15
mm in length

Silica Fume seen under a microscope

Sand .1-.2 mm in
diameter
http://www.alibaba.com/product-gs/437429074/2850Mpa_Micro_steel_fiber_manufacturer_.html http://www.freefoto.com/preview/904-34-3088/Sand-Texture
http://www.concrete.elkem.com/dav/2c7d946881.pdf

http://www.branz.co.nz/cms_show_download.php?id=58b96f3b1316d9c1a8c0aea4259a02d5f9497fa7

http://www.ductal-lafarge.com/wps/portal/ductal/2_3_1-
Detail?WCM_GLOBAL_CONTEXT=/wps/wcm/connectlib_ductal/Site
_ductal/English_version/Page.Navigation.Structural.Footbridges/Key
ProjectDuctal%20Page/KeyProjectDuctal_1278712507168&Rdt=On

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