Sustainable Subgrade Stabilization with Calcium Lignosulfonate: A Dual Assessment of Economic Costs and Carbon Footprint in Road Pavements
持続可能な路盤安定化におけるカルシウムリグノスルホネートの使用：舗装道路の経済コストとカーボンフットプリントの二重評価 (AI 翻訳)
Talha Sarıcı, Tacettin GEÇKİL, Bahadır Karabaş
🤖 gxceed AI 要約
日本語
本研究は、道路舗装における路盤安定化材としてカルシウムリグノスルホネート（CLS）を使用した場合の経済性と二酸化炭素排出量への影響を評価した。粘土質および砂質の2種類の土壌で試験を行い、CLSが土壌強度を向上させ、舗装厚さを最大25%削減できることを確認。これにより、建設コストとCO2排出量がそれぞれ最大25.24%および17.88%削減された。CLSは持続可能な道路建設手法として有効である。
English
This study evaluates the economic and carbon footprint impact of using calcium lignosulfonate (CLS) for subgrade stabilization in road pavements. Tests on clayey and sandy soils show that CLS increases soil strength, reducing pavement layer thickness by up to 25%. Consequently, construction costs and CO2 emissions are reduced by up to 25.24% and 17.88%, respectively. CLS offers a practical method for sustainable road construction.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本ではインフラの脱炭素化が進んでおり、本研究成果は道路建設におけるCO2削減に寄与する可能性がある。特に、建設コスト低減と環境負荷低減を両立する手法として、日本の建設業界に応用が期待される。
In the global GX context
This paper is relevant globally as road construction is a major source of carbon emissions. It provides empirical evidence on a cost-effective material (CLS) that reduces both emissions and layer thickness, aligning with sustainable infrastructure goals worldwide.
👥 読者別の含意
🔬研究者:This paper offers experimental data on CLS performance, useful for researchers in sustainable construction materials and life-cycle assessment.
🏢実務担当者:Construction companies can use CLS to reduce material costs and carbon footprint in road projects, meeting sustainability targets.
🏛政策担当者:Policymakers may consider promoting CLS or similar additives in infrastructure projects to achieve decarbonization goals.
📄 Abstract（原文）
This study evaluates the economic and carbon footprint impact of using calcium lignosulfonate (CLS) in stabilizing highway subgrade on road pavement. Specifically, the effect of stabilized soil strength on layer thickness, costs, and carbon emissions during the initial construction phase was investigated. Two different soil types (clayey and sandy) were used with varying CLS concentrations. Furthermore, the performance of CLS was evaluated using sodium hydroxide-based alkaline activation (AAS). Standard proctor, unconfined compressive strength (UCS), and California bearing ratio tests were applied to the prepared samples. The experimental results showed that CLS significantly increased the CBR and UCS values of the soil samples. Additionally, it was calculated that the initial construction costs of flexible and rigid road pavements designed on stabilized clayey soil decreased by 14.34% and 25.24%, respectively, while on sandy soils, the decreases were 8.10% and 14.95%, respectively. Meanwhile, it has been determined that CO2 emissions were reduced by up to 10.76% in flexible pavement designs and by up to 17.88% in rigid pavement designs. Consequently, these findings show that the use of CLS in soil stabilization enables both a reduction in the layer thickness of road pavement designs and a reduction in environmental impacts.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.3390/su18136750first seen 2026-07-05 05:12:11
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