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Maruyama Lab
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The lab studies concrete through chemistry and physics, aiming to realize decarbonized architecture.
AboutAbout the lab
Building decarbonized architecture through materials science.
The Maruyama Lab studies construction materials such as concrete from the perspectives of chemistry and physics.
The lab aims to understand and predict how materials change over time, so that their performance over many years can be foreseen and put to good use.
The lab also takes part in national projects, including technology for making new concrete from waste concrete and CO₂.
The lab works together with the Noguchi Lab and the Yoshioka Lab as the "Building Materials Laboratories."
Key terms
- Calcium carbonate concrete
- A new type of concrete hardened with calcium carbonate formed from waste concrete and atmospheric CO₂
- Decommissioning
- The work of dismantling and removing the facilities of a nuclear power plant that has ended operation, and cleaning up the site
- JIS and ISO
- JIS (Japanese Industrial Standards) are Japan's national industrial standards, and ISO standards are international ones. They set common rules, for example for how things are measured
NewsLab news
Paper shows the conditions under which environmentally friendly concrete can be used under conventional design standards
A new method is announced for measuring fossil-fuel-derived CO₂ fixed by cement-based materials
Prof. Maruyama and colleagues receive the Japan Concrete Institute Award (Paper Award)
The lab held an introduction session for third-year undergraduates and has made the recording and materials available
ResearchResearch themes
The lab aims to understand the chemistry and physics of materials, and to predict and make full use of how material performance changes over time. Together with institutions in Japan and abroad, it works on developing new construction materials and recycling systems, and on clarifying the mechanisms by which materials function.
*Illustrative imageRecycling concrete with CO₂
As a member of the C4S project under the Moonshot Research and Development Program, the lab is developing technology to make calcium carbonate concrete from waste concrete generated by demolition and CO₂ in the atmosphere.
*Illustrative imageConcrete exposed to radiation
In collaboration with other research institutions and companies, the lab investigates how concrete structures in nuclear reactors deteriorate under radiation, and develops the knowledge and evaluation methods needed to judge whether such reactors can continue to operate safely over the long term.
*Illustrative imageAssessing contamination of concrete in decommissioning
For the decommissioning of the Fukushima Daiichi Nuclear Power Plant, the lab works with other research institutions and companies to study how radioactive substances move inside concrete, and to develop methods for estimating the state of contamination in structures.
*Illustrative imageStandardizing how CO₂ uptake is measured
In collaboration with other universities and companies, the lab is developing methods for evaluating the amount of CO₂ taken up by concrete, with the aim of making them future JIS and ISO standards, and is preparing the data needed for that purpose.
MembersFaculty
- ProfessorIppei MaruyamaPublications ↗
- Assistant ProfessorRyo KuriharaPublications ↗
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Noguchi LabFaculty of Engineering, Department of ArchitectureArchitectural design and materials development based on arch…The information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Beton angeschliffen Nahaufnahme 1” Ralf Saalmueller / CC BY-SA 3.0 (cropped)
- Recycling concrete with CO₂: “CaCO3 calcite” Tem5psu / CC BY-SA 4.0 (cropped)
- Concrete exposed to radiation: “ETR, TRA-642. ON GROUND FLOOR. WITH OUTER THERMAL RING IN PLACE AND CONDUIT PRESERVED, HIGH-DENSITY CONCRETE IS PLACED BETWEEN THE THERMAL RING AND THE OUTER REACTOR FORM. INL HAER ID-33-G-299” Related names: Blaw-Knox Construction Company Kaiser Engineers Hummel Hummel and Jones Fluor Construction Arrington Construction United States Department of Energy Christianson, Justine, transmitter / Public domain (cropped)
- Assessing contamination of concrete in decommissioning: “Fukushima Daiichi ( )” IAEA Imagebank / CC BY 2.0 (cropped)
- Standardizing how CO₂ uptake is measured: “Calcium oxalate TGA 01b” Steffen 962 / CC0 (cropped)
- Related lab (Saito-Yoshioka Lab): “Failed Concrete Cylinder” Xb-70 at English Wikipedia / Public domain (cropped)
- Related lab (Akashi Lab): “Tokyo Station Marunouchi Building P5228787” Kestrel / CC BY-SA 4.0 (cropped)
- Related lab (Mae Lab): “Private House with Solar Roof panels. - geograph.org.uk - 627270” Colm O hAonghusa / CC BY-SA 2.0 (cropped)
- Related lab (Noguchi Lab): “NYBG Mycelium Brick Home September 2024” SnowFire / CC BY 4.0 (cropped)
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