Kajima R&D -Initiatives for Smart Cities and Society

• Towards Realizing Sustainable Smart Cities and Society
  Hiroaki Nakagawa
  • Main Text(PDF: 2.4MB)
• Technologies to Realize Smart Cities and Society
  Norio Suzuki，Takashi Koga，Masaki Shioya，Yoshinori Koshikawa，Tsuyoshi Takai and Koji Kondo
  • Main Text(PDF: 2.9MB)

Realization of Smart Wellness

• Update of Sleep Environment Improvement System “ＮＥＭ-ＡＭＯＲＥ”
  Katsuhiko Sakata, Takashi Gondo, Motoki Yairi, Takubi Hamano, Yuuki Hoshi, Tsutomu Uenomachi and Katsuyasu Ohnishi
  • Main Text(PDF: 1.8MB)
• Development of Wellness Space “SOTOBEYA”
  Katsuhiko Sakata, Takashi Gondo, Motoki Yairi, Hiroyuki Kaneko, Hiroyuki Takasuna, Tadashi Kudo，Shigeyoshi Tanaka and Shinya Takemoto
  • Main Text(PDF: 588KB)

Energy Systems Supporting a Smart City

• Net Zero Energy Building in the Tropics - Hybrid Air-Conditioning System for NUS SDE4 Building -
  Yuichi Takemasa，Kuniaki Mihara，Takamasa Hasama，Takashi Gondo，Eikichi Ono and Yoshinobu Arai
  • Main Text(PDF: 894KB)
• Energy Network Simulation Tool for Energy Conservation
  Kuniaki Mihara，Eikichi Ono and Yoshinobu Arai
  • Main Text(PDF: 1.8MB)
• Verifi cation Project of Hydrogen Supply Chain Utilizing Hydrogen from Livestock Excreta
  Koichi Hachimura and Tadashi Ohno
  • Main Text(PDF: 966KB)
• Renewable Energy Heat Pump System
  Masaki Shioya，Katsuhiro Miura，Eikichi Ono，Taizo Shimo and Tomohiro Teranishi
  • Main Text(PDF: 801KB)

Development of a City in Harmony with the Natural Environment

• Evaluation Model of Bio-diversity Potential for Supporting Biotope Layout and Design
  Yoshinori Koshikawa，Satoru Itagawa and Haruo Takayama
  • Main Text(PDF: 737KB)
• Rooftop Gardening with High Environmental Mitigation Effect “Ever Cool Garden”
  Tadashi Kudo
  • Main Text(PDF: 569KB)

Building a Safe and Secure City

• “q-NAVI”: Structural Health Monitoring System for Earthquake Emergency Response
  Katsuhisa Kanda and Saori Ogasawara
  • Main Text(PDF: 846KB)
• Advanced Urban Flood Simulation System
  Toshihiko Takahashi
  • Main Text(PDF: 880KB)
• Numerical Simulations of Tsunami Propagation and Inundation
  Toshihiko Takahashi，Nobuyuki Iwamae and Kazuki Suzuki
  • Main Text(PDF: 516KB)
• Development and Utilization for Disaster Information Sharing System
  Tsuyoshi Takai，Tomohiko Hatada and Hideaki Kuwana
  • Main Text(PDF: 616KB)
• Evaluation Technique of Respiratory Aerosol Dispersion by High-Accuracy Airflow Simulation
  Takamasa Hasama
  • Main Text(PDF: 609KB)

Induction of the Flow of Cars and People

• Simulation of Vehicle Traffic Flow - Impact Assessment of Construction and Development -
  Kazuhiro Amano，Naoki Mita and Yasuhiro Nakamura
  • Main Text(PDF: 753KB)
• Simulation of People Flow for Building Design - Daily Behavior and Evacuation Behavior -
  Kazuhiro Amano，Osamu Imazeki，Hiroyuki Kaneko，Hideaki Kuwana，Naoki Mita，Takuzou Ida and Yasuhiro Nakamura
  • Main Text(PDF: 887KB)
• Evaluation Method of Comfortable Pedestrian Space Using Pedestrian Trajectory Data
  Hiroyuki Kaneko，Miho Fukui and Toshihiro Osaragi
  • Main Text(PDF: 764KB)

Maintenance and Management of a City Using Advanced Technologies

• Optical Fiber Sensor for Infrastructure Maintenance
  Michio Imai，Motoyuki Mizunari，Yu Oyaizu and Minoru Iwai
  • Main Text(PDF: 543KB)
• Study on the Infrastructure Stock Effect for Changing the Future of Community Developments
  Yoriyuki Yamada
  • Main Text(PDF: 639KB)
• City Maintenance Using Data Platform
  Sumihiro Ueda
  • Main Text(PDF: 438KB)
• Development of Management System of Buildings Using IoT / AI “Kajima smart BM”
  Masaya Hiraoka，Hidekuni Mashimo and Yusuke Suzuki
  • Main Text(PDF: 784KB)

Geotechnicai and Geological Engineering and Rock Mechanics

• Elucidation of Jamming Mechanism during Shield Tunnel Excavation and
  Development of Detection and Countermeasure Technology
  Kotaro Kubota，Kenichi Kawano，Hideki Nagatani and Yusuke Nakajima
  • Abstract(PDF: 585KB)
  • Main Text(PDF: 4.1MB)
• Development of Technology for Total Control of Embankment Quality
  - Technology for Total Control of Material Quality (Water Content, Grain Size) and Quality of Compacted Soil -
  Yoshikatsu Yonemaru，Katsutoshi Fujisaki，Teru Yoshida，Akihiro Matsumoto and Keisuke Tanaka
  • Abstract(PDF: 781KB)
  • Main Text(PDF: 3.5MB)
• Development of a 3D Quality Management System for Dam Foundation Grouting
  Based on Fracture Information
  Keisuke Kurihara，Daisuke Fukushima，Takako Miyoshi and Kazuhiko Masumoto
  • Abstract(PDF: 647KB)
  • Main Text(PDF: 3.2MB)
• Measurement of Crack Opening of Rock Mass for Dam Grouting
  by Distributed Fiber Optic Strain Sensing
  Yu Koizumi，Saki Kurokawa，Kazuhiko Masumoto，Michio Imai，Junichi Kawabata
  and Masako Miyaishi
  • Abstract(PDF: 583KB)
  • Main Text(PDF: 1.8MB)

Structural Engineering and Aseismic Technology

• Deformation Capacity of RC Pier Reinforced with Castable Ultra-High-Strength Fiber-Reinforced Mortar
  and its Evaluation Method
  Takuya Iwamoto，Naoki Sogabe，Shinichi Yamanobe，Satoru Kobayashi，Masaru Fujishiro，
  Takashi Matsumoto and Atsushi Maeyama
  • Abstract(PDF: 641KB)
  • Main Text(PDF: 3.0MB)
• Structural Properties of Robot Welded Beams without a Weld Access Hole
  Daiki Hinata，Jun Kubota，Yoshikazu Sawamoto，Masaya Taki，Takashi Kato，Yoshiharu Sato
  and Nobuo Fujimoto
  • Abstract(PDF: 506KB)
  • Main Text(PDF: 1.6MB)
• Shear Stress Transmission of Underground Diaphragm Wall Joints Using Perfobond Strips
  Makiko Hikita，Akira Miyata，Kimitoshi Sano and Koichi Nishimura
  • Abstract(PDF: 1.0MB)
  • Main Text(PDF: 2.6MB)
• A Study on the Accuracy of the Finite Element Method
  with Face-to-Face Multi-Point Constraints in Static Problems
  Toshihide Saka，Atsushi Sando and Toshihiro Koiso
  • Abstract(PDF: 498KB)
  • Main Text(PDF: 1.9MB)

Materials and Construction Systems

• Development of Fillers According to Various Performance Requirements
  and Examination of Application to Prepacked Concrete
  Satoru Kobayashi and Takeshi Torichigai
  • Abstract(PDF: 586KB)
  • Main Text(PDF: 1.6MB)
• Effect of Locally Generated Soil on the Workability of CSG Materials
  Natsuko Sugaya，Toshinari Mukai，Takeshi Torichigai，Kenzo Watanabe and Goro Sakai
  • Abstract(PDF: 682KB)
  • Main Text(PDF: 2.4MB)
• Experimental Study on Controlling the Acceptance of the Total Amount of Concrete
  Shuji Matsumoto，Manabu Hashimoto，Kenzo Watanabe，Kazuhide Kurata and Shuji Yanai
  • Abstract(PDF: 651KB)
  • Main Text(PDF: 2.5MB)
• Fundamental Study on Psocoptera for Pest Control of Buildings
  Eriko Takehiro, Takeshi Wakui, Hideyuki Meguro and Ko Tomita
  • Abstract(PDF: 434KB)
  • Main Text(PDF: 1.7MB)

Building Environment Engineering

• Study on an Optimized Partial Cooling System in Railway Stations
  Katsuhiro Miura，Kenji Takagi，Hiroyuki Kaneko，Masako Ota，Miho Fukui，Hidetaka Yagi,
  Takayuki Kashiwa, Akifumi Kobayashi and Atsushi Takase
  • Abstract(PDF: 513KB)
  • Main Text(PDF: 6.7MB)
• The Effects of a Biophilic Meeting Space on Physiological Response and Meeting Efficiency
  Takashi Gondo，Katsuhiko Sakata，Motoki Yairi，Hiroyuki Takasuna，Hiroyuki Kaneko,Kumika Seki，
  Toshiharu Ikaga and Gaku Inaba
  • Abstract(PDF: 386KB)
  • Main Text(PDF: 2.5MB)

Environmental Engineering

• Effects of Various Environmental Factors on the Photosynthesis and Transpiration Rates of Hydroponic Licorice
  under a Controlled Environment
  Tadashi Kudo
  • Abstract(PDF: 406KB)
  • Main Text(PDF: 1.5MB)
• Water Quality Monitoring System Using Shellfish
  Boon Keng Lim，Hanako Nakamura and Yoshinori Koshikawa
  • Abstract(PDF: 538KB)
  • Main Text(PDF: 3.5MB)

Earthquake, Wind and Wave Engineering

• Peak Internal Pressure Coefficients on the Inner Wall of the Machine Room of the Production Facility
  with Openings in the Outer Wall
  Manabu Yamamoto，Keigo Nakajima，Takashi Miyanaga and Kahoru Nakayama
  • Abstract(PDF: 488KB)
  • Main Text(PDF: 1.2MB)
• Estimation of Two-Dimensional S-Wave Velocity Structure of Shallow and
  Deep Sedimentary Layers based on Waveform Inversion
  Kentaro Kasamatsu
  • Abstract(PDF: 501KB)
  • Main Text(PDF: 2.5MB)

Materials and Construction Systems

• Application of a River Water Level Prediction System to a River Work Site
  Tomoaki Itaya，Yumi Shimbo，Nobuyuki Iwamae and Kazuki Suzuki
  • Abstract(PDF: 443KB)
  • Main Text(PDF: 1.2MB)

• Study on Application of Concrete Using Improved Blast Furnace Slag Cement Type C to Civil Engineering Structures
  Manabu Hashimoto
• Experimental and Computational Study on Rock Bolt Modelling and its Application on a New Type of Energy-Absorbing Rock Bolt
  Yasuhiro Yokota
• A Study on Waveform Inversion for Construction of S-wave Velocity Structure of Deep Sedimentary Layers for Earthquake Ground Motion Evaluation
  Kentaro Kasamatsu