Tetsuya Ishida
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View article: Assessment of sleep phase, quality, and quantity: the development and validation of the 3-dimensional sleep scale (3DSS)
Assessment of sleep phase, quality, and quantity: the development and validation of the 3-dimensional sleep scale (3DSS) Open
The 3-Dimensional Sleep Scale (3DSS) is used to assess sleep quality, quantity, and phase. However, its reliability and validity were established using classical methods and it has a small validation sample size. We aimed to increase the s…
View article: Toll-like Receptor Gene Polymorphisms as Predictive Biomarkers for Response to Infliximab in Japanese Patients with Crohn’s Disease
Toll-like Receptor Gene Polymorphisms as Predictive Biomarkers for Response to Infliximab in Japanese Patients with Crohn’s Disease Open
Objectives: To explore the possible relationship between Toll-like receptor (TLR) gene encoding and a predictive outcome for the loss of response (LOR) to IFX treatment among Japanese patients with Crohn’s disease (CD). Methods: An associa…
View article: Local $\varepsilon$-conjecture and $p$-adic differential equations
Local $\varepsilon$-conjecture and $p$-adic differential equations Open
Laurent Berger attached a p -adic differential equation \mathbf{N}_{\mathrm{rig}}(M) with a Frobenius structure to an arbitrary de Rham (\varphi,\Gamma) -module M over a Robba ring. In this article, we compare the local epsilon conjecture …
View article: Effect of Microstructure Differences on the Thermal and Mechanical Behaviors of Porous Cementitious Composites Using Phase Change Materials
Effect of Microstructure Differences on the Thermal and Mechanical Behaviors of Porous Cementitious Composites Using Phase Change Materials Open
This study focuses on the effect of different microstructures on the thermal and mechanical behaviors of porous concrete impregnated with phase change materials (PCMs), referred to as PoroPCM. This study involved the preparation of a PCM e…
View article: Thermal and mechanical properties of porous cementitious composites using phase-change materials with different microstructures
Thermal and mechanical properties of porous cementitious composites using phase-change materials with different microstructures Open
This study investigates the influence of microstructure and its related performances on the thermal and mechanical behaviors of porous concrete impregnated with phase-change material (PCM), referred to as PoroPCM. The material is composed …
View article: <b>Prediction Equations for Shrinkage Strain of Concrete with Mixed Cement</b>
<b>Prediction Equations for Shrinkage Strain of Concrete with Mixed Cement</b> Open
The authors developed a prediction equation for the shrinkage strain of concrete to cope with various design conditions of concrete structures. The developed equation allows input of the effects of cement types, aggregate shrinkage strain,…
View article: Automatic detection of delamination on tunnel lining surfaces from laser 3D point cloud data by 3D features and a support vector machine
Automatic detection of delamination on tunnel lining surfaces from laser 3D point cloud data by 3D features and a support vector machine Open
A completely automatic algorithm for accurately detecting delamination on tunnel concrete lining surfaces using laser 3D point cloud data is first proposed to facilitate tunnel lining inspection. A mobile mapping system (MMS), which mounts…
View article: Microstructure dataset CCC-D-23-00329
Microstructure dataset CCC-D-23-00329 Open
Microstructure dataset supporting the readers of the journal article [CCC-D-23-00329]: Effective diffusivity of hardened cement paste from 3D microstructures: a critical comparison of real and virtual microstructures by Pakpoom Limtong, Ra…
View article: Microstructure dataset CCC-D-23-00329
Microstructure dataset CCC-D-23-00329 Open
Microstructure dataset supporting the readers of the journal article [CCC-D-23-00329]: Effective diffusivity of hardened cement paste from 3D microstructures: a critical comparison of real and virtual microstructures by Pakpoom Limtong, Ra…
View article: PILOT STUDY ON THE INFLUENCE OF HIGH ALKALI CONTENT COAL GASIFICATION SLAG FINE AGGREGATE ON ALKALI SILICA REACTION
PILOT STUDY ON THE INFLUENCE OF HIGH ALKALI CONTENT COAL GASIFICATION SLAG FINE AGGREGATE ON ALKALI SILICA REACTION Open
アルカリ含有量の高い石炭ガス化スラグ細骨材(CGS)のアルカリシリカ反応性への影響について評価するために、高いアルカリシリカ反応性を有する粗骨材とアルカリ含有量の高いCGSを併用したコンクリートのアルカリシリカ反応性を検証した。その結果、アルカリ総量3.0kg/m3となるようにNaOHを添加したコンクリートプリズム試験において、CGSを併用したコンクリートは、CGSを用いないコンクリートに比べて、膨張が早期に誘発されるとともに、材齢1年まで膨張量が上回った。その原因は、CG…
View article: Local epsilon conjecture and p-adic differential equations
Local epsilon conjecture and p-adic differential equations Open
Laurent Berger attached a p-adic differential equation N_rig(M) with a Frobenius structure to an arbitrary de Rham (phi, Gamma)-module over a Robba ring. In this article, we compare the local epsilon conjecture for the cyclotomic deformati…
View article: FUTURE EVALUATION OF REPAIR EFFECT ON SALT DAMAGE PROGRESS AND LOAD CARRYING CAPCITY FOR RC JETTY SUPERSTRUCTURE USING MULTI-SCALE ANALYSIS
FUTURE EVALUATION OF REPAIR EFFECT ON SALT DAMAGE PROGRESS AND LOAD CARRYING CAPCITY FOR RC JETTY SUPERSTRUCTURE USING MULTI-SCALE ANALYSIS Open
本研究は,腐食環境にある既設構造物を対象として,今後の合理的な構造物の運用と維持管理を支援する解析的検討について取りまとめたものである.具体的には,供用開始から35年以上が経過した桟橋上部工を対象に,材料と構造を連成したマルチスケール統合解析を適用して,建設時からの塩害劣化進行を評価した.その際,過去に実施した劣化調査に加え,薄板モルタルによる飛来塩化物イオン量と構造物周辺の気象計測を追加実施して,概ね等価な長期評価用の作用履歴を推定した.それにより,現時点での変状を再現す…
View article: An Experimental Study on Energy Absorption Capability of Cast and 3D Printed Architected Cement-based Materials
An Experimental Study on Energy Absorption Capability of Cast and 3D Printed Architected Cement-based Materials Open
Previous studies have demonstrated that Architected Cement-based Materials (ACMs), which have architected internal configurations at mm-cm scale, can have desired and/or unusual mechanical characteristics that the brittle base material doe…
View article: Microstructure of Cement Paste with Expansive Additives under Free and Restrained Conditions
Microstructure of Cement Paste with Expansive Additives under Free and Restrained Conditions Open
Expansive additives (EAs) have been widely used to reduce the risk of cracking due to shrinkage. Such additives cause early age expansion of concrete due to the formation of Portlandite and Ettringite in the pores of the cement paste, whic…
View article: Evaluation of Moisture Transport Properties Based on Modelling of Silane-based Impregnation Agent Effects on Concrete Surface Layer
Evaluation of Moisture Transport Properties Based on Modelling of Silane-based Impregnation Agent Effects on Concrete Surface Layer Open
It is now desirable to establish a technique for long-term prediction of the effects of silane-based impregnation agent on concrete structures exposed to various environments. To meet this requirement, the purpose of this study is set to e…