• Kajima R&D -Initiatives for the Achievement of SDGs-
  Hiroaki Nakagawa
  • Main Text(PDF: 944KB)

Society

Creating Functional Urban and Industrial Infrastructure Capable of Meeting New Needs

• Sleep Environment Improvement System “NEM-AMORE”
  Katsuhiko Sakata, Takashi Gondo, Motoki Yairi, Takubi Hamano, Yuuki Hoshi, Tsutomu Uenomachi and Katsuyasu Ohnishi
  • Main Text(PDF: 2.6MB)
• Evaluation Method of Comfortable Pedestrian Space Using Pedestrian Trajectory Data
  Hiroyuki Kaneko, Miho Fukui and Toshihiro Osaragi
  • Main Text(PDF: 529KB)
• Development of Management System of Buildings Using IoT / AI “Kajima smart BM”
  Masaya Hiraoka, Hidekuni Mashimo and Yusuke Suzuki
  • Main Text(PDF: 486KB)

Developing Sustainable and Long-Lasting Social Infrastructure

• Utsuku-seal Curing Method: Improving Surface Quality of Concrete by Curing with Using Special Repellent Sheet
  Yuma Yoshida, Kenzo Watanabe, Ryoichi Ashizawa, Yoshiki Mitsuyama, Natsuko Hamada and Toshinari Mukai
  • Main Text(PDF: 523KB)
• Highly Durable Highway Deck Slab Using UFC
  Toshimichi Ichinomiya, Yusuke Nagai and Shintaro Kojima
  • Main Text(PDF: 584KB)
• Low Cost Soil Washing Method with Zero-Valent Iron Mixing and Superconducting Magnetic Separator
  for Arsenic and Lead Contaminated Soil
  Keijiro Ito and Takefumi Niki
  • Main Text(PDF: 542KB)
• Optical Fiber Sensor for Infrastructure Maintenance
  Michio Imai, Motoyuki Mizunari, Yu Koyaizu and Minoru Iwai
  • Main Text(PDF: 480KB)

Providing Technologies and Services for Disaster Preparedness That Support Safety and Security

• Development and Utilization for Disaster Information Sharing System
  Tsuyoshi Takai, Tomohiko Hatada and Hideaki Kuwana
  • Main Text(PDF: 548KB)
• Tuned Mass Damper for Seismic Retrofit of Existing Buildings
  D3SKY: Dual-direction Dynamic Damper of Simple Kajima stYle
  Haruhiko Kurino
  • Main Text(PDF: 507KB)
• Jetcrete Method with Various Application Developments
  Hideki Nagatani and Katsutoshi Fujisaki
  • Main Text(PDF: 649KB)

Environment

Contributing Actively to Society^'s Transition to a Low Carbon Footprint

• Energy Network Simulation Tool for Energy Conservation
  Kuniaki Mihara, Eikichi Ono and Yoshinobu Arai
  • Main Text(PDF: 3.1MB)
• Renewable Energy Heat Pump System
  Masaki Shioya, Katsuhiro Miura, Eikichi Ono, Taizo Shimo and Tomohiro Teranishi
  • Main Text(PDF: 725KB)
• Biogasification of Biomass Using Thermophilic Anaerobic Packed-Bed Reactor System
  Masahiro Tatara, Haruka Shibata, Sumire Nakakoji and Yoshiyuki Ueno
  • Main Text(PDF: 469KB)
• Fire Resistant Glued Laminated Lumber “FR wood” that Contributes to the Construction of a Low Carbon Society
  Kouta Nishimura, Keiichi Miyamoto and Norichika Kakae
  • Main Text(PDF: 480KB)
• Environmentally Conscious Concrete to Build a Low-carbon Society
  Kazuhisa Yoda, Hiroshi Kasai, Jinhwan Jeon, Yohei Inaba, Haruki Momose, Kosuke Ishizeki, Tetsushi Kanda and Shigeru Asaoka
  • Main Text(PDF: 573KB)
• Planning and Design Support Tool for Biodiversity Conservation of Retention Pond
  Satoru Itagawa, Haruo Takayama and Yoshinori Koshikawa
  • Main Text(PDF: 655KB)
• Monitoring of the Firefly (Luciola cruciata) Using Environmental DNA
  Takako Ohno, Boon Keng Lim, Satoru Itagawa, Yoshiyuki Ueno and Yoshinori Koshikawa
  • Main Text(PDF: 732KB)

Platform for Business Sustainability

Focusing on Unwavering Technological Innovation and Kajima Quality

• Improving Concrete Quality in Southeast Asia Using ICT
  Toshinori Oyamoto, Kazuhisa Yoda and Koji Satoyama
  • Main Text(PDF: 553KB)
• Development of Next Generation Construction Production System (A4CSEL)
  Daisuke Tajima, Satoshi Takami, Chiaki Miura, Kenniti Hamamoto and Satoru Miura
  • Main Text(PDF: 553KB)

Construction That Emphasizes People and Partnerships

• Building of Human Networks with Overseas Universities, Government Agencies and Companies
  Yuichi Takemasa, Kensuke Date, Hiroyuki Takasuna, Chae Soungho, Junya Morita, Ryohei Tsukada, Yasuhiro Yokota and Tetsushi Kanda
  • Main Text(PDF: 499KB)

Geotechnical and Geological Engineering and Rock Mechanics

• Evaluating Liquefaction Resistance in In-situ Ground Using Microbial Ureolysis
  Naohito Adachi, Takahiko Hidekawa, Yasutsugu Suzuki, Kentaro Kasamatsu and Yoshiyuki Ueno
  • Abstract(PDF: 620KB)
  • Main Text(PDF: 1.3MB)
• A Study on the Liquefaction Resistance Properties of Coarse-grained Materials
  Rie Sasaoka, Michitaka Okamoto, Katsutoshi Fujisaki and Noboru Togashi
  • Abstract(PDF: 423KB)
  • Main Text(PDF: 1.6MB)
• Constructing Test Frameworks and a Database Regarding Artificial Ground Freezing
  Ryohsuke Tsuji, Teru Yoshida, Hideyuki Terui, Shota Taguchi, Hajime Soma and Yurie Osada
  • Abstract(PDF: 652KB)
  • Main Text(PDF: 1.6MB)
• ICT for Geological Evaluation on Rock Tunnelling - Smart Face Watcher –
  Suguru Shirasagi, Hayato Tobe, Daisuke Fukushima, Yasuyuki Miyajima and Yusuke Nishizawa
  • Abstract(PDF: 467KB)
  • Main Text(PDF: 2.0MB)

Structural Engineering and Aseismic Technology

• An Experimental Study on a Joint Structure Using a Ceramic Head Anchor and the Interface Shape between Deck Slabs
  Shuto Takahashi, Toshimichi Ichinomiya, Takahiro Arai, Yuki Yokota and Shintaro Kojima
  • Abstract(PDF: 586KB)
  • Main Text(PDF: 3.0MB)
• Structural Performance of Unbonded Prestressed Concrete Beam-Column Subassemblages
  Yoshikazu Takaine, Takashi Okayasu and Daiki Hinata
  • Abstract(PDF: 530KB)
  • Main Text(PDF: 2.1MB)
• A Fundamental Study on the Transient Analysis of Building Responses under the Influence of Seismic Motion and Ground Deformation
  Toshihide Saka, Hiroshi Morikawa and Hitoshi Hinata
  • Abstract(PDF: 416KB)
  • Main Text(PDF: 1.1MB)

Materials and Construction Systems

• A Method of Controlling Concrete Temperature to Prevent Thermal Cracks
  - A Quantitative Evaluation of the Cool & Heat Method -
  Hidetomo Takagi, Ryoichi Ashizawa, Shuji Yanai, Kosuke Yokozeki, Yu Tsukamoto and Haruhiko Seki
  • Abstract(PDF: 560KB)
  • Main Text(PDF: 1.4MB)
• A Study on the Influence of the Sheet Curing Method on the Physical Properties of Precast Concrete Products
  Natsuko Hamada, Toshiharu Nakatani, Ryoichi Ashizawa, Kenzo Watanabe and Goro Sakai
  • Abstract(PDF: 629KB)
  • Main Text(PDF: 1.3MB)
• A Study on the Characteristics of Adiabatic Temperature Rise of Dam Concrete Using Fly Ash Cement
  Satoru Kobayashi, Goro Sakai, Takeshi Torichigai, Noboru Sakata and Tetsuya Ishida
  • Abstract(PDF: 406KB)
  • Main Text(PDF: 1.8MB)
• A Study on an Extended Model of Hooke’s Law to 3D
  Yohei Inaba
  • Abstract(PDF: 325KB)
  • Main Text(PDF: 808KB)
• Development of a Technology for Rapidly Evaluating the Structural Strength Correction Value of Mass Concrete
  by a Compact Method
  Hiroshi Kasai, Jinphan Jeon, Haruki Momose and Kazuhisa Yoda
  • Abstract(PDF: 494KB)
  • Main Text(PDF: 1.3MB)

Building Environment Engineering

• Improvement of Supply Air Temperature Reset Control by Targeting ATF for VAV Systems
  Eikichi Ono and Kenji Ogawa
  • Abstract(PDF: 341KB)
  • Main Text(PDF: 924KB)

Environmental Engineering

• Enhanced Denitrification by an Anammox System Combined with Heterotrophic Denitrification
  Haruka Shibata, Masahiro Tatara and Yoshiyuki Ueno
  • Abstract(PDF: 511KB)
  • Main Text(PDF: 719KB)

Sustainable Construction Systems

• An Evaluation of the Long-term Leaching Behavior of Heavy Metals from Granulated Incineration Ash
  Satoshi Shinohara, Daisuke Ishigami, Tatsushi Kawai, Junichi Kawabata, Takeshi Sato,
  Makoto Hisada, Hiroshi Minagawa and Shintaro Miyamoto
  • Abstract(PDF: 520KB)
  • Main Text(PDF: 1.2MB)

Earthquake, Wind and Wave Engineering

• Extraction of the Mean Wind Speed Profile of Neutral Atmospheric Stability based on the Pasquill Stability Classification
  Keigo Nakajima, Toru Yamanaka, Ryozo Ooka, Hideki Kikumoto and Hirofumi Sugawara
  • Abstract(PDF: 522KB)
  • Main Text(PDF: 1.1MB)
• Development of a Wave Prediction Method Using Deep Convolutional Neural Networks
  Tomoaki Itaya, Nobuyuki Iwamae and Yumi Shimbo
  • Abstract(PDF: 444KB)
  • Main Text(PDF: 1.2MB)

Materials and Construction Systems

• Development and Implementation of AR Application for the Advancement of the Tasks in the Construction Sites
  Bikash Lamsal and Kyosuke Kunichika
  • Abstract(PDF: 432KB)
  • Main Text(PDF: 3.5MB)

• Advanced Planning for Construction Work based on Traffic Evaluation Formulas and an Optimization Method
  - Optimizing Placement of Passing Places for Vehicles using Evolutionary Computation -
  Kazuhiro Amano