* Original reports are written in Japanese.
For further information, Please send us an Inquiry Form specifying the article name.

Features

• Kajima R&D -Initiatives for the Achievement of SDGs-
  Hiroaki Nakagawa

[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
• Evaluation Method of Comfortable Pedestrian Space Using Pedestrian Trajectory Data
  Hiroyuki Kaneko, Miho Fukui and Toshihiro Osaragi
• Development of Management System of Buildings Using IoT / AI “Kajima smart BM”
  Masaya Hiraoka, Hidekuni Mashimo and Yusuke Suzuki

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
• Highly Durable Highway Deck Slab Using UFC
  Toshimichi Ichinomiya, Yusuke Nagai and Shintaro Kojima
• 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
• Optical Fiber Sensor for Infrastructure Maintenance
  Michio Imai, Motoyuki Mizunari, Yu Koyaizu and Minoru Iwai

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
• Tuned Mass Damper for Seismic Retrofit of Existing Buildings　D3SKY: Dual-direction Dynamic Damper of Simple Kajima stYle
  Haruhiko Kurino
• Jetcrete Method with Various Application Developments
  Hideki Nagatani and Katsutoshi Fujisaki

[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
• Renewable Energy Heat Pump System
  Masaki Shioya, Katsuhiro Miura, Eikichi Ono, Taizo Shimo and Tomohiro Teranishi
• Biogasification of Biomass Using Thermophilic Anaerobic Packed-Bed Reactor System
  Masahiro Tatara, Haruka Shibata, Sumire Nakakoji and Yoshiyuki Ueno
• Fire Resistant Glued Laminated Lumber “FR wood” that Contributes to the Construction of a Low Carbon Society
  Kouta Nishimura, Keiichi Miyamoto and Norichika Kakae
• 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
• Planning and Design Support Tool for Biodiversity Conservation of Retention Pond
  Satoru Itagawa, Haruo Takayama and Yoshinori Koshikawa
• Monitoring of the Firefly (Luciola cruciata) Using Environmental DNA
  Takako Ohno, Boon Keng Lim, Satoru Itagawa, Yoshiyuki Ueno and Yoshinori Koshikawa

[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
• Development of Next Generation Construction Production System (A4CSEL)
  Daisuke Tajima, Satoshi Takami, Chiaki Miura, Kenniti Hamamoto and Satoru Miura

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

Research Papers

[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
• A Study on the Liquefaction Resistance Properties of Coarse-grained Materials
  Rie Sasaoka, Michitaka Okamoto, Katsutoshi Fujisaki and Noboru Togashi
• Constructing Test Frameworks and a Database Regarding Artificial Ground Freezing
  Ryohsuke Tsuji, Teru Yoshida, Hideyuki Terui, Shota Taguchi, Hajime Soma and Yurie Osada
• ICT for Geological Evaluation on Rock Tunnelling - Smart Face Watcher –
  Suguru Shirasagi, Hayato Tobe, Daisuke Fukushima, Yasuyuki Miyajima and Yusuke Nishizawa

[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
• Structural Performance of Unbonded Prestressed Concrete Beam-Column Subassemblages
  Yoshikazu Takaine, Takashi Okayasu and Daiki Hinata
• 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

[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
• 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
• 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
• A Study on an Extended Model of Hooke’s Law to 3D
  Yohei Inaba
• 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

[Building Environment Engineering ]

• Improvement of Supply Air Temperature Reset Control by Targeting ATF for VAV Systems
  Eikichi Ono and Kenji Ogawa

[Environmental Engineering]

• Enhanced Denitrification by an Anammox System Combined with Heterotrophic Denitrification
  Haruka Shibata, Masahiro Tatara and Yoshiyuki Ueno

[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

[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
• Development of a Wave Prediction Method Using Deep Convolutional Neural Networks
  Tomoaki Itaya, Nobuyuki Iwamae and Yumi Shimbo

Technical Report

[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