Durability of Wood–Cement Composites with Modified Composition by Limestone and Stabilised Spruce Chips

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F24%3APU154982" target="_blank" >RIV/00216305:26110/24:PU154982 - isvavai.cz</a>

Result on the web

<a href="https://www.mdpi.com/1996-1944/17/24/6300" target="_blank" >https://www.mdpi.com/1996-1944/17/24/6300</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/ma17246300" target="_blank" >10.3390/ma17246300</a>

Result language

angličtina

Original language name

Durability of Wood–Cement Composites with Modified Composition by Limestone and Stabilised Spruce Chips

Original language description

Limestone (LS) and stabilised secondary spruce chips (SCs) utilisation in wood–cement composites is still an unexplored area. Therefore, the main objective of the research presented here is the assessment of the long-term behaviour of cement-bonded particleboards (CBPs) modified by LS and SCs. Cement (CE) was replaced by 10% of LS, and spruce chips by 7% of SCs. The test specimens were stored in a laboratory and exterior environment (Middle Europe) for up to 2 years. The density, strength, and modulus of elasticity were evaluated after 28 days, and then in 6-month periods. The hygrosco-picity was analysed separately. The mineralogical composition and microstructure were analysed due to possible LS participation during hydration. SC synergic behaviour in CBPs was also studied. After 2 years, the microstructure of the CBP was more compact, and denser. Strong carbonatation contributes to the improvement of CBP properties. The products of carbonatation were present in both the matrix and wood chips. The hydration of the matrix was almost finished. LS has a positive effect on the matrix microstructure development. LS acts both as an active component participating in the formation of the cement matrix structure and as an inert microfiller, synergic with hydration products. SCs have a positive effect on the hygroscopic behaviour of CBPs and slightly negative effect on the tensile strength.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20101 - Civil engineering

Project

<a href="/en/project/GA22-06991S" target="_blank" >GA22-06991S: Stabilisation of Spruce Wood Properties and Structure with Regard to Durability of Wood-Cement Composites</a><br>

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Materials

ISSN

1996-1944

e-ISSN

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Volume of the periodical

17

Issue of the periodical within the volume

24

Country of publishing house

CH - SWITZERLAND

Number of pages

31

Pages from-to

1-31

UT code for WoS article

001384598700001

EID of the result in the Scopus database

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