Concrete Laboratory YNU

23/04/2026

𝐂𝐞𝐥𝐞𝐛𝐫𝐚𝐭𝐢𝐧𝐠 𝐚 𝐏𝐚𝐭𝐞𝐧𝐭 𝐀𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭 🎉
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We are proud to share and celebrate the wonderful news from our lab—𝐅𝐔𝐉𝐈𝐘𝐀𝐌𝐀 𝐒𝐞𝐧𝐬𝐞𝐢 has been granted 𝗣𝗮𝘁𝗲𝗻𝘁 𝗡𝗼. 𝟳𝟴𝟯𝟳𝟱𝟯𝟭 on a 𝐦𝐞𝐭𝐡𝐨𝐝 𝐨𝐟 𝐦𝐚𝐧𝐮𝐟𝐚𝐜𝐭𝐮𝐫𝐢𝐧𝐠 𝐬𝐞𝐥𝐟-𝐜𝐨𝐦𝐩𝐚𝐜𝐭𝐢𝐧𝐠 𝐠𝐞𝐨𝐩𝐨𝐥𝐲𝐦𝐞𝐫 𝐜𝐨𝐦𝐩𝐨𝐬𝐢𝐭𝐢𝐨𝐧𝐬. 🎉

As sensei highlighted, this achievement is the result of many years of dedicated research and strong collaboration. We would like to echo our sincere appreciation to Muhammad Talha Ghafoor, 𝐏𝐡𝐃, 𝐏.𝐄., for his tireless work on the experimental program during his PhD, and to 𝐏𝐫𝐨𝐟. 𝐊𝐨𝐢𝐜𝐡𝐢 𝐌𝐀𝐄𝐊𝐀𝐖𝐀 for his invaluable insights and guidance, especially in advancing our understanding of self-compacting behavior.

This milestone reflects years of continuous effort in geopolymer research, made possible by the commitment of many students and collaborators under the guidance of 𝐅𝐔𝐉𝐈𝐘𝐀𝐌𝐀 𝐒𝐞𝐧𝐬𝐞𝐢. It is truly rewarding to see these collective efforts recognized.👏

We sincerely thank everyone who has been part of this journey and look forward to building on this momentum.💪

Congratulations, Sensei, on this outstanding achievement.👏👏

15/04/2026

𝐖𝐞𝐥𝐜𝐨𝐦𝐞 𝐏𝐚𝐫𝐭𝐲 & 𝐒𝐞𝐦𝐢𝐧𝐚𝐫 𝐊𝐢𝐜𝐤𝐨𝐟𝐟 🎉

We had the pleasure of hosting a welcome gathering for our new students! Our weekly seminar has officially started with an orientation session. Twelve students have joined the YNU Concrete Laboratory , and we are delighted to have you with us 😊.

During the event, the new students and current members gave brief self-introductions. It was a wonderful opportunity for everyone to get to know each other and share meaningful moments.

Welcome to the YNU Concrete Lab family! We are excited to support you throughout your journey and look forward to seeing you achieve your goals. Let’s make this semester memorable and filled with both growth and enjoyment! 💪

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15/04/2026

𝐆𝐫𝐚𝐝𝐮𝐚𝐭𝐢𝐨𝐧 𝐂𝐞𝐫𝐞𝐦𝐨𝐧𝐲 🎓
YNU graduation ceremony took place On March 25. It was a delightful and memorable occasion, celebrating the achievements of our lab graduates as they completed the first chapter of their educational journey.🎊 The event was filled with joy and laughter, creating cherished memories.🏗️✨

As you embark on this exciting new chapter, we wish you endless success, happiness, and incredible opportunities! 🌟

Here are some glimpses of the celebration 🎉

19/03/2026

We had the pleasure of hosting a 𝐟𝐚𝐫𝐞𝐰𝐞𝐥𝐥 𝐩𝐚𝐫𝐭𝐲 𝐟𝐨𝐫 𝐭𝐡𝐞 𝐬𝐭𝐮𝐝𝐞𝐧𝐭𝐬 𝐠𝐫𝐚𝐝𝐮𝐚𝐭𝐢𝐧𝐠 𝐟𝐫𝐨𝐦 𝐨𝐮𝐫 𝐥𝐚𝐛, alongside our traditional 𝐚𝐧𝐧𝐮𝐚𝐥 𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐨𝐫𝐲 𝐜𝐥𝐞𝐚𝐧𝐢𝐧𝐠 𝐚𝐩𝐩𝐫𝐞𝐜𝐢𝐚𝐭𝐢𝐨𝐧 𝐠𝐚𝐭𝐡𝐞𝐫𝐢𝐧𝐠.

After three days of dedicated effort, our annual lab cleaning has successfully come to an end. 🧹💪 The lab is now spotless, well-organized, and fully prepared for another productive year of research. 🏗️

We also take this opportunity to warmly welcome our new research scholar, 𝐌𝐬. 𝐒𝐡𝐢𝐯𝐚𝐧𝐢 𝐒𝐡𝐚𝐫𝐦𝐚 from India 🇮🇳. We wish her a successful and enriching journey with us!

Finally, we extend our sincere congratulations to all graduating students and wish them great success in their future endeavors. Best of luck in their exciting journeys ahead!🥰🙌 🎉

07/02/2026

This week marked the 𝐟𝐢𝐧𝐚𝐥 𝐬𝐞𝐦𝐢𝐧𝐚𝐫 𝐨𝐟 𝐨𝐮𝐫 𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐨𝐫𝐲 for the fall semester.

Thank you all for your hard work and dedication. We extend our sincere appreciation to all presenters for their well-prepared presentations and thoughtful contributions throughout the term.

We are especially grateful to our professors for their valuable feedback and guidance, which have been instrumental in shaping our research and deepening our academic perspective.

13/01/2026

We had the honor of hosting a 𝐟𝐚𝐫𝐞𝐰𝐞𝐥𝐥 𝐩𝐚𝐫𝐭𝐲 for our wonderful colleague, 𝐒𝐭𝐚𝐧-𝐬𝐚𝐧, who has been an invaluable member of our concrete lab. family for the past 4.25 years—three years as a PhD student and an additional 1.25 years as a postdoctoral researcher.

We are excited to share that he will be continuing his career in a new role at a company based in Japan. While we will truly miss him, we are also incredibly excited about this new chapter in his professional journey. 🎉🥰

𝐒𝐭𝐚𝐧-𝐬𝐚𝐧, thank you for your dedication, hard work, and the positivity you brought to the lab. Your contributions, camaraderie, and the memories we have shared will always be cherished.💪🙏

𝗪𝗲 𝘄𝗶𝘀𝗵 𝘆𝗼𝘂 𝗲𝘃𝗲𝗿𝘆 𝘀𝘂𝗰𝗰𝗲𝘀𝘀 𝗮𝗻𝗱 𝗵𝗮𝗽𝗽𝗶𝗻𝗲𝘀𝘀 𝗶𝗻 𝘆𝗼𝘂𝗿 𝗻𝗲𝘅𝘁 𝗮𝗱𝘃𝗲𝗻𝘁𝘂𝗿𝗲!

27/12/2025

𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐄𝐱𝐜𝐡𝐚𝐧𝐠𝐞 𝐒𝐞𝐦𝐢𝐧𝐚𝐫 𝐛𝐞𝐭𝐰𝐞𝐞𝐧 𝐭𝐡𝐞 𝐂𝐢𝐯𝐢𝐥 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐃𝐞𝐩𝐚𝐫𝐭𝐦𝐞𝐧𝐭𝐬 𝐨𝐟 𝐒𝐫𝐢𝐰𝐢𝐣𝐚𝐲𝐚 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐢𝐭𝐲 𝐚𝐧𝐝 𝐘𝐨𝐤𝐨𝐡𝐚𝐦𝐚 𝐍𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐢𝐭𝐲 (𝐘𝐍𝐔 𝐂𝐨𝐧𝐜𝐫𝐞𝐭𝐞 𝐋𝐚𝐛𝐨𝐫𝐚𝐭𝐨𝐫𝐲)
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The Concrete Laboratory at Yokohama National University（YNU）hosted a Research Exchange Seminar to promote academic collaboration with the Department of Civil Engineering, 𝐒𝐫𝐢𝐰𝐢𝐣𝐚𝐲𝐚 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐢𝐭𝐲, on December 24.

We warmly welcomed distinguished professors from Sriwijaya University, Dr. Saloma and Dr. Siti. Dr. Siti delivered a guest lecture, sharing valuable insights from their ongoing research.

In addition, on December 17, the YNU Concrete Laboratory welcomed two PhD candidate exchange students—Andrie-san from the University of Quebec at Chicoutimi, Canada, and Rifkah-san from Sriwijaya University, Indonesia—further strengthening international research collaboration.

🏗️𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐄𝐱𝐜𝐡𝐚𝐧𝐠𝐞 𝐒𝐞𝐦𝐢𝐧𝐚𝐫 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬:
▶ 𝐎𝐩𝐞𝐧𝐢𝐧𝐠 𝐒𝐞𝐬𝐬𝐢𝐨𝐧:
Opening remarks and welcome address by Professor Fujiyama
▶ 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐏𝐫𝐞𝐬𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧𝐬:
🔹Dr. Siti (Sriwijaya University): 𝘼𝙙𝙫𝙖𝙣𝙘𝙚𝙙 𝙈𝙖𝙩𝙚𝙧𝙞𝙖𝙡𝙨 𝙛𝙤𝙧 𝘾𝙤𝙣𝙘𝙧𝙚𝙩𝙚 𝙖𝙣𝙙 𝙎𝙩𝙚𝙚𝙡 𝙎𝙩𝙧𝙪𝙘𝙩𝙪𝙧𝙚𝙨
🔹Rifkah-san (Sriwijaya University-YNU): 𝑩𝒆𝒉𝒂𝒗𝒊𝒐𝒓 𝒐𝒇 𝑮𝒆𝒐𝒑𝒐𝒍𝒚𝒎𝒆𝒓 𝑪𝒐𝒏𝒄𝒓𝒆𝒕𝒆 𝑩𝒆𝒂𝒎𝒔 𝒘𝒊𝒕𝒉 𝑽𝒂𝒓𝒚𝒊𝒏𝒈 𝑺𝒉𝒆𝒂𝒓 𝒂𝒏𝒅 𝑭𝒍𝒆𝒙𝒖𝒓𝒂𝒍 𝑹𝒆𝒊𝒏𝒇𝒐𝒓𝒄𝒆𝒎𝒆𝒏𝒕 𝑹𝒂𝒕𝒊𝒐𝒔 𝒖𝒏𝒅𝒆𝒓 𝑴𝒐𝒏𝒐𝒕𝒐𝒏𝒊𝒄 𝑳𝒐𝒂𝒅𝒊𝒏𝒈
🔹Dr. Kefiyalew (YNU): 𝑨 𝑪𝒐𝒏𝒔𝒕𝒊𝒕𝒖𝒕𝒊𝒗𝒆 𝑴𝒐𝒅𝒆𝒍 𝒇𝒐𝒓 𝑺𝒉𝒆𝒂𝒓 𝑻𝒓𝒂𝒏𝒔𝒇𝒆𝒓 𝑴𝒆𝒄𝒉𝒂𝒏𝒊𝒔𝒎𝒔 𝒂𝒏𝒅 𝑭𝒂𝒕𝒊𝒈𝒖𝒆 𝑫𝒂𝒎𝒂𝒈𝒆 𝒊𝒏 𝑼𝒍𝒕𝒓𝒂-𝑯𝒊𝒈𝒉-𝑷𝒆𝒓𝒇𝒐𝒓𝒎𝒂𝒏𝒄𝒆 𝑪𝒐𝒏𝒄𝒓𝒆𝒕𝒆
🔹Dr. Mia (YNU)
▶ 𝐂𝐥𝐨𝐬𝐢𝐧𝐠 𝐒𝐞𝐬𝐬𝐢𝐨𝐧
Closing remarks and discussion on future research collaboration
▶ 𝐂𝐨𝐦𝐦𝐞𝐦𝐨𝐫𝐚𝐭𝐢𝐯𝐞 𝐩𝐡𝐨𝐭𝐨

25/12/2025

The application for the Infrastructure Management Program has been started! Please check the following website.
https://www.urban.ynu.ac.jp/english/all-english-program/imp/application-guideline.html

🌟Application for the 21th cohort!!🌟

We are pleased to announce this year's student recruitment with a new flyer for the Infrastructure Management Program (IMP).
We would like to introduce the application guidelines for those interested in participating in this program by receiving a scholarship from the World Bank.
Application for October 2026 admission should be submitted online by 19 February 2026.

✅Application Guideline
https://www.urban.ynu.ac.jp/english/all-english-program/imp/application-guideline.html?fbclid=IwY2xjawO1fMlleHRuA2FlbQIxMABicmlkETFVWWwxTGJmV3prWnYzUG9Vc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHv-9IEvFOS11sZTVGAmCewwxJzHzmDIqfF4kOxnSDK0WkM_LkpbwIDSCOlYx_aem_G3yFZaay0GA3UlW15xvcFA

✅Countries Eligible for the JJWBGSP Scholarship in 2026
https://www.worldbank.org/en/programs/scholarships/brief/countries-eligible-for-jjwbgsp-scholarship

10/12/2025

𝐓𝐡𝐞 𝐅𝐢𝐟𝐭𝐡 𝐈𝐧𝐭𝐞𝐫𝐧𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐂𝐨𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐞 𝐨𝐧 𝐒𝐮𝐬𝐭𝐚𝐢𝐧𝐚𝐛𝐥𝐞 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐁𝐮𝐢𝐥𝐭 𝐄𝐧𝐯𝐢𝐫𝐨𝐧𝐦𝐞𝐧𝐭 (𝐒𝐈𝐁𝐄𝟐𝟎𝟐𝟓), organized by the 𝐅𝐚𝐜𝐮𝐥𝐭𝐲 𝐨𝐟 𝐂𝐢𝐯𝐢𝐥 𝐚𝐧𝐝 𝐄𝐧𝐯𝐢𝐫𝐨𝐧𝐦𝐞𝐧𝐭𝐚𝐥 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠, was held at Institut Teknologi Bandung (𝐈𝐓𝐁), 𝐈𝐧𝐝𝐨𝐧𝐞𝐬𝐢𝐚, from 4–5 November 2025.

At this event, our lab member 𝐎𝐤𝐮𝐫𝐚-𝐬𝐚𝐧 delivered a presentation showcasing the outcomes of his research titled “𝑬𝒇𝒇𝒆𝒄𝒕𝒔 𝒐𝒇 𝑴𝒊𝒙 𝑫𝒆𝒔𝒊𝒈𝒏 𝑷𝒂𝒓𝒂𝒎𝒆𝒕𝒆𝒓𝒔 𝒐𝒏 𝒕𝒉𝒆 𝑪𝒐𝒎𝒑𝒓𝒆𝒔𝒔𝒊𝒗𝒆 𝑺𝒕𝒓𝒆𝒏𝒈𝒕𝒉 𝒐𝒇 𝑭𝒍𝒚 𝑨𝒔𝒉-𝑩𝒂𝒔𝒆𝒅 𝑮𝒆𝒐𝒑𝒐𝒍𝒚𝒎𝒆𝒓 𝒘𝒊𝒕𝒉 𝑳𝑼𝑺𝑰 𝒂𝒔 𝒂 𝑺𝒖𝒑𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒚 𝑴𝒂𝒕𝒆𝒓𝒊𝒂𝒍.”

Our former lab member, 𝗗𝗿. 𝗔𝗹𝗶, also contributed to the conference with his research paper titled “𝑺𝒖𝒍𝒇𝒖𝒓𝒊𝒄 𝑨𝒄𝒊𝒅 𝑹𝒆𝒔𝒊𝒔𝒕𝒂𝒏𝒄𝒆 𝒂𝒏𝒅 𝑺𝒉𝒓𝒊𝒏𝒌𝒂𝒈𝒆 𝒐𝒇 𝑨𝒍𝒌𝒂𝒍𝒊-𝑨𝒄𝒕𝒊𝒗𝒂𝒕𝒆𝒅 𝑴𝒂𝒕𝒆𝒓𝒊𝒂𝒍 𝑼𝒔𝒊𝒏𝒈 𝑺𝒆𝒘𝒂𝒈𝒆 𝑺𝒍𝒖𝒅𝒈𝒆 𝑨𝒔𝒉 𝒘𝒊𝒕𝒉 𝑺𝒖𝒑𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒚 𝑩𝒊𝒏𝒅𝒆𝒓𝒔.”

Thank you both for your hard work and contributions!💪👏

22/11/2025

Huge congratulations to 𝐉𝐮𝐛𝐢𝐥𝐚𝐧𝐭-𝐬𝐚𝐧 and 𝐇𝐚𝐧-𝐬𝐚𝐧 for receiving the 𝑨𝒘𝒂𝒓𝒅 𝒇𝒐𝒓 𝑶𝒖𝒕𝒔𝒕𝒂𝒏𝒅𝒊𝒏𝒈 𝑨𝒄𝒂𝒅𝒆𝒎𝒊𝒄 𝑷𝒆𝒓𝒇𝒐𝒓𝒎𝒂𝒏𝒄𝒆. 👏💪

Thank you both for your hard work and remarkable achievements! ✨

23/10/2025

横浜国立大学/ Yokohama National University（YNU）🇯🇵 🤝 Jimma University, Jimma Institute of Technology - JiT 🇪🇹