All businesses related to or ancillary to the preceding items.Investment in real estate-related special purpose companies and real estate investment trusts, as well as the purchase and sale of investment interests, and real estate joint ventures.Design, manufacture, processing, sale, import/export, and leasing of construction and cargo handling machinery and equipment, various ropeways, steel cable railways, pollution prevention machinery, construction materials, furniture, interior and exterior decorations, crafts, gardening supplies, etc.Planning, development, acquisition, licensing, and sale of industrial property rights, copyrights, know-how, and various computer-based software.Business related to the collection, processing, and provision of various information, telecommunications, and broadcasting.Research and development of crop cultivation and aquaculture of marine products, and sales of these products.Maintenance, security, and cleaning services for buildings both inside and outside.Collection, transportation, processing, resource recycling, and removal of environmental pollutants of general and industrial waste, consulting related to these, and supply of electricity and heat.Planning, construction, ownership, maintenance, and operation of roads, railways, ports, airports, rivers, waterworks, sewers, government buildings, waste treatment facilities, and other public facilities or similar facilities.Ownership, management, and consulting of hotels and other lodging facilities, sports facilities, health and medical facilities, welfare facilities such as resorts, educational and training facilities, amusement parks and other recreation facilities, supermarkets and other commercial facilities, warehouses, transport centers, restaurants, etc.Travel agency, land, sea, and air transportation services, freight handling, non-life insurance agency, life insurance solicitation, and labor dispatch services.Planning, production, and sale of various media such as advertising, publishing and printing, video and audio, and planning, production, operation, and consulting of various events.Retail of food, clothing, pharmaceuticals, tobacco, alcohol, postage stamps, books, stationery, daily goods, etc., brokerage and sale of membership rights such as golf club memberships, lodging tickets, admission tickets, and mail-order sales.Financial services such as lending and debt guarantees, and comprehensive leasing.Contracting or commissioning of civil engineering, architecture, equipment installation, and other construction works.Survey, research, evaluation, diagnosis, planning, surveying, design, supervision, procurement, operation management, technical guidance, and other services related to construction projects and projects such as regional development, urban development, marine development, space development, resource development, environmental improvement, and energy supply.Land reclamation, manufacturing and construction of residential and other buildings, real estate sales, leasing, brokerage, maintenance, management, appraisal, evaluation, consulting, and afforestation and greening projects.
Names without a link are companies not yet registered in OpenBizGraph
§05
Network
NETWORK
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§06
History
233 EVENTS
Founded by Kashima Iwaki in Edo Nakabashi Masaki-cho.
Founded: 1840 (Tenpō 11)
Iwakichi Kajima begins business in Masakicho, Nakabashi, Edo (present day Tokyo)
Built the English First Hall and American First Hall in Yokohama. Pioneered Western-style architecture.
Kajima pioneers the first Western-style buildings, Ei-Ichiban Kan (English House No. 1) and America-Ichiban Kan (American House No. 1), in Yokohama
Established Kashima Group. Headquartered in Tokyo Kyobashi Kiba-cho, with Kashima Iwazō as the first group leader. Began construction of the Tsuruga Line (later the Yanagase Line). Entered the railway contracting business.
Kajima Gumi established
Headquartered in Kobikicho, Kyobashi, Tokyo, Kajima is now led by Iwazo Kajima as its first head
Enters into the railway construction business, starting with the construction of the Tsuruga Railway Line (later called the Yanagase Line)
Ushibine Line Apt-type railway opened
Usui line, an Abt system rack railway, opens
Construction of the Korean Kyōnin Railway began. Overseas construction started in Taiwan and Korea.
Railway construction projects begin in Korea and Taiwan, including the Gyeongin Line in Korea
Construction of the Uji River Electric Hydroelectric Power Plant began. Progressed into dam and power plant construction.
Enters into the dam and power plant construction business, starting with the Uji River hydroelectric power station
Seiichi Kajima appointed as group leader
Seiichi Kajima appointed as head
Taiwan: Lower Danshui River bridge completed
Completes the Siadanshui River Iron Bridge in Taiwan
Construction of the Danna Tunnel (West entrance work area) began. A difficult project that took 16 years to complete in 1934.
Construction of the Danna Tunnel (West Entrance Work Zone) commenced. It was a difficult project that took 16 years to complete, finishing in 1934 (Showa 9).
Construction begins for the Tanna Tunnel (west exit site)
Involved in reconstruction work after the Kanto Great Earthquake.
Engages in reconstruction work after the Great Kanto earthquake
Completion of Japan's first concrete high dam, the Oomei Dam.
Completes Japan's first concrete dam (Ohmine Dam)
Establishment of Kashima Group Co., Ltd. (capital 3 million yen). Headquarters in Makimachi, Kyōbashi-ku, Tokyo; Seichi Kashima became president.
Established: 1930 (Shōwa 5)
Kajima becomes an incorporated company (issues stock, capitalized at 3 million yen)
Headquartered in Makicho, Kyobashi-ku, Tokyo-shi, Kajima is now led by Seiichi Kajima as President
Ueno Station main store completed
Main structure of Ueno Station completed
It took 16 years before this difficult project was completed in 1934
Seiichi Kajima becomes chairman, Moriyuki Kajima becomes president
Seiichi Kajima is appointed as Chairman and Morinosuke Kajima is appointed as President
Started war damage reconstruction work and military construction.
Support begins in postwar reconstruction and construction works for USFJ
Renamed company to Kashima Construction Co., Ltd.
Renames itself to Kajima Corporation
Established the first research institute in the construction industry, Kashima Construction Technical Research Institute.
Founds Kajima Technical Research Institute (first research facility in Japan's construction industry)
Partnered with Morrison-Knudsen Co., Inc. (USA) for Okinawa construction. Pioneered the joint venture (JV) method in Japan.
Partnered with Morrison-Knudsen (USA) on Okinawa construction. Pioneered the joint venture (JV) model in Japan.
Pioneers first joint venture with Morrison-Knudsen of the U.S.A. for construction works in Okinawa
Construction of Japan's first arch dam, Kyushu Electric Power's Kamishita Dam.
Construction of Japan's first arch dam, Kyushu Electric Power's Kamishiba Dam, commenced.
Construction begins for Kyushu Electric Power Company's Kamishiiba Dam, the first arch dam in Japan
Compensation Project No.1, construction of the Birmann Baluchan Power Plant. Expanded overseas construction.
Enters the overseas construction business, starting with the Baluchaung hydroelectric power plant in Burma, the first war-reparation construction project
Himeji Castle, large repair in Showa era. Started roof construction.
Construction of the scaffolds and temporary roof for Himeji Castle begins as part of its major restoration work in the Showa era
Major Himeji Castle restoration work in the Showa era
Completion of Japan's first nuclear reactor, the first reactor at the Japan Atomic Energy Research Institute.
With President Moriyuki Kashima's appointment as Minister of State, President Ujo Kashima assumed office. Japan's first nuclear reactor, the first reactor at the Japan Atomic Energy Research Institute, was completed.
Ume Kajima is appointed as President following Morinosuke Kajima being appointed as the Minister of State
Completes Japan Atomic Energy Research Institute's JRR-1, Japan's first nuclear reactor
Japan Atomic Energy Research Institute's JRR-1
Listed shares on the Tokyo and Osaka Stock Exchanges.
Lists stocks on the Tokyo and Osaka Stock Exchanges
Annual order volume became world number one (136.8 billion yen).
Attains the global No. 1 ranking in construction (total annual contract value of 136.8 billion yen)
Established KAJIMA INTERNATIONAL, INC. (KII) in Los Angeles. Completion of the new Danna Tunnel on the Tokaido Shinkansen.
Established KAJIMA INTERNATIONAL, INC. (KII) in Los Angeles. The new Danna Tunnel on the Tokaido Shinkansen was completed.
Establishes KAJIMA INTERNATIONAL INC.(KII) in Los Angeles, CA, U.S.A.
Completes the Shintanna Tunnel on the Tokaido Shinkansen
Aumyo Kajima becomes vice chairman, Ken'ō Atami becomes president
Ume Kajima is appointed as Vice Chairman
Takeo Atsumi is appointed as President
Tokyo Electric Power Fukushima nuclear power plant construction begins
Construction begins for Tokyo Electric Power Company's Fukushima Nuclear Power Plant
Completion of Japan's first super high-rise, Kasumigaseki Building (36 floors above ground).
Completes Japan's first high-rise building (36-story Kasumigaseki Building)
Our design department and Okada Shinichi group won the best design award in the Supreme Court design competition.
A design group led by Shinichi Okada in the Kajima Design Division wins a bid for the new Supreme Court Building
Mitsubishi Heavy Industries Koya Factory 1 million-ton dock construction commenced.
Construction begins for the One-Million-Ton Dock at Mitsubishi Heavy Industries' Koyagi factory
Kashima, Taisei, and Bectel (USA) signed a business agreement. Aomori-Hakodate Tunnel construction commenced.
Signs a trilateral business agreement between Kajima, Taisei, and US-based Bechtel
Construction begins for the Seikan Tunnel
The new Supreme Court building completed. In Shinjuku Sub-City, the Shinjuku Sumitomo Building, International Communications Center Building, and Shinjuku Mitsui Building completed.
Completes the new Supreme Court Building
Completes the Shinjuku Sumitomo Building, the International Communication Center Building, and the Shinjuku Mitsui Building in the Shinjuku subcenter area
Aumyo Kajima becomes chairman
Ume Kajima is appointed as Chairman
Chairman Kenji Aratomi, Vice Chairman Akio Kashima, and President Rokuro Ishikawa appointed. TQC introduced. Sunshine 60 and former East German International Trade Center completed.
Takeo Atsumi is appointed as Chairman
Shoichi Kajima is appointed as Vice Chairman
Rokuro Ishikawa is appointed as President
Introduces company total quality control
Completes Sunshine 60 and the International Trade Center in former East Germany
First in the industry to reach 1 trillion yen in orders.
First company in the industry to receive a total of one trillion yen in orders
Received the Deming Prize for implementation of TQC.
Receives the Deming Prize [for advances in quality improvement]
National Sports Hall completed
Rokuro Ishikawa becomes chairman, Shoichi Kajima becomes president. National Sports Hall completed
Rokuro Ishikawa is appointed as Chairman
Shoichi Kajima is appointed as President
Completes the New Kokugikan Sumo Arena
Aomori-Hakodate Tunnel breakthrough. KAJIMA GmbH established in former West Germany.
Completes digging work for the Seikan Tunnel
Establishes KAJIMA GmbH in former West Germany
Arc Hills completed. KAJIMA USA established.
Completes ARK Hills
Establishes KAJIMA USA
KAJIMA EUROPE established
Establishes KAJIMA EUROPE
Kanto branch, Tokyo branch, and KAJIMA OVERSEAS ASIA (KOA) established. Shiki New Town, Aomori-Hakodate Tunnel, Seto Ohashi Bridge completed.
Kanto Branch, Tokyo Branch, and KAJIMA OVERSEAS ASIA (KOA) established. Shiki New Town and Seikan Tunnel completed. Seto Bridge opened.
Establishes the Kanto and Tokyo branches and KAJIMA OVERSEAS ASIA PTE. LTD.
Completes Shiki New Town and the Seikan Tunnel
The Great Seto Bridge opens
Held 150th anniversary ceremony. KI Building completed.
Holds a ceremony for Kajima's 150th anniversary
Completes the KI Building
Shoichi Kajima becomes vice chairman, Akira Miyazaki becomes president
KAJIMA EVOLUTION21 plan announced. Commonly referred to as Kashima.
Announced the KAJIMA EVOLUTION 21 plan. Commonly referred to as Kashima.
Announces the KAJIMA EVOLUTION21 plan
Selects "Kajima" as its official common name
Tokyo East 21 completed.
Completes Tokyo East 21
Tennōshu Sea Fort Square completed.
Completes Tennozu Sea Fort Square
Shinjuku Park Tower and Ebisu Garden Place completed. Kansai International Airport opened.
Completes Shinjuku Park Tower and Yebisu Garden Place
Kansai International Airport opens
Engaged in reconstruction work for the Hanshin-Awaji Great Earthquake.
Engages in reconstruction work after the Great Hanshin earthquake
President Sadahiro Umeda appointed. Fuji TV Headquarters Building, Nippon Broadcasting Headquarters Building, and Nagano City Olympic Memorial Arena (M-Wave) completed.
Sadao Umeda is appointed as President
Completes the Fuji TV and Nippon Broadcasting System headquarters buildings and the Nagano Olympic Memorial Arena (M-Wave)
Miyagase Dam completed. Tokyo Bay Aqua-Line breakthrough.
Completes the Miyagase Dam
Bores through the Tokyo Bay Aqua Line
Akashi Kaikyo Bridge opened. Kokura Station Building completed.
The Akashi Kaikyo Bridge opens
Completes the Kokura Station building
Raijima Strait Bridge opened. Gate City Osaki and Seibu Dome completed.
The Kurushima Kaikyo Bridge opens
Completes Gate City Ohsaki and Seibu Dome
Daikanyama Address completed.
Completes Daikanyama Address
In preparation for the Japan‑Korea co‑hosted World Cup, soccer stadiums are being completed one after another. Wakai Dam completed.
Completes soccer stadiums for the World Cup co-hosted by South Korea and Japan
Completes the Nukui Dam
JR East strengthens cooperation with Tekkensetsu Construction.
Strengthens ties with JR East and TEKKEN CORPORATION
In the Shiodome area, the Panasonic Tokyo Headquarters Building, Japan Post Headquarters Building, Shiodome Tower, Toppan Forms Tower, Roppongi Hills Mori Tower, and Jiji Communications Headquarters Building were completed.
In the Shiodome area, Panasonic Tokyo Headquarters Building, Nippon Express Headquarters Building, Shiodome Tower, Toppan Forms Tower, and Shiodome Media Tower were completed. Roppongi Hills Mori Tower and Jiji Communications Headquarters Building were also completed.
Completes the Matsushita Electric Works and the Nippon Express headquarters buildings as well as the Shiodome Tower, the Toppan Forms Tower, and the Shiodome Media Tower
Completes the Roppongi Hills Mori Tower and the Jiji Press headquarters building
Karuizawa Oka Hall and Shinagawa Seaside Forest completed. Kajima (Shanghai) Engineering Co., Ltd. was established in China.
Completes the Karuizawa Ohga Hall and Shinagawa Seaside Forest
Establishes Kajima (Shanghai) construction Co., Ltd.
Chairman Sadahiro Umeda and President Mitsugi Nakamura appointed. Executive officer system introduced. Akihabara Cross Field and Nihonbashi Mitsui Tower completed. Kyushu National Museum opened.
Sadao Umeda is appointed as Chairman and Mitsuyoshi Nakamura is appointed as President
Introduces an executive officer system
Completes Akihabara Crossfield and the Nihonbashi Mitsui Tower
The Kyushu National Museum opens
Toranomon Towers completed. Construction of the Algeria East‑West Expressway commenced.
Completes the Toranomon Towers
Construction begins for the East-West Highway in Algeria
Kajima Headquarters Building, Kajima Akasaka Annex, Grant Tokyo North Tower and South Tower completed.
Kashima Headquarters Building, Kashima Akasaka Annex, and Grant Tokyo North Tower & South Tower were completed.
Completes the Kajima Head Office, the Kajima Akasaka Annex, and the GranTokyo North and South Towers
Tokyo Metro Fukutoshin Line opened.
The Tokyo Metro Fukutoshin Line opens
The main building and experimental building of the Technology Research Institute, and Nakajima Dai Building completed.
Completes the KaTRI Laboratories building (Main complex) and the Nakanoshima Daibiru Building
Tokyo International Airport D runway and Singapore Resort World Sentosa completed.
Completes the D-Runway at Tokyo International Airport and Resorts World Sentosa in Singapore
Engaged in reconstruction work after the Great East Japan Earthquake. Dubai Metro and the research building of the Technology Research Institute completed.
Engages in reconstruction work after the Great East Japan Earthquake and tsunami
Completes Dubai Metro and the KaTRI research and administration building (main complex)
JR East's restoration and preservation work on the Marunouchi building of Tokyo Station completed. Kajima India Ltd. established.
AKASAKA K-TOWER, Metropolitan Expressway Central Loop Line Shinjuku Line Yamanote Tunnel, and JR East Tokyo Station Marunouchi Station building preservation and restoration work completed.
AKASAKA K-TOWER, Metropolitan Expressway Central Loop Line Shinjuku Line Yamanote Tunnel, and JR East Tokyo Station Marunouchi Station building preservation and restoration work completed. Kashima India Co. established.
Completes the AKASAKA K-TOWER, the Yamate Tunnel on the Shuto Expressway Central Circular Route Shinjuku Line, and the preservation and restoration of the Marunouchi Station Building of JR East Tokyo Station
Preservation and restoration of the Marunouchi Station Building of JR East Tokyo Station
President Nakamura became chairman of the Japan Construction Industry Federation. KOA 25th anniversary. Tokyo Station Yaesu Exit Grand Roof completed.
President Nakamura assumed the presidency of the Japan Construction Industry Federation. KOA celebrated its 25th anniversary. The Grand Roof at Tokyo Station Yaesu Exit was completed.
President Nakamura is appointed as Chairman of the Japan Federation of Construction Contractors
25th anniversary of KOA
Completes Tokyo Station City Yaesu Granroof
50 years of expansion into the United States. Disaster waste disposal operations (Ishinomaki Block) completed. Keikoku Power Plant completed.
50th anniversary after entering the American market
Completes disaster waste disposal work (Ishinomaki block). Completes the Kyogoku Power Station
Chairman Mitsugi Nakamura and President Shoichi Oshimi appointed. Kajima Australia established. JR East's Tohoku Yuzankin Line (Ueno Tokyo Line) opened. Restoration and repair work on Himeji Castle's Great Keep completed.
Mitsuyoshi Nakamura is appointed as Chairman and Yoshikazu Oshimi is appointed as President
Establishes Kajima Australia Pty Ltd (KA)
JR Tohoku Through Line (Ueno-Tokyo Line) opens
Completes the preservation and repairs of the Himeji Castle Main Keep
Engaged in reconstruction work after the Kumamoto earthquake. Tokyo Garden Terrace Kioi‑cho completed.
Engages in reconstruction work after the Kumamoto earthquakes
Completes Tokyo Garden Terrace Kioicho
GINZA SIX completed. Metropolitan Expressway Yokohama North Line opened. Suntory Hall 30th anniversary renovation completed.
Completes GINZA SIX
Shuto Expressway Yokohama North Route opens
Completes the restoration of the Suntory Hall as part of its 30th anniversary
Tokyo Midtown Hibiya and Tokyo Station Marunouchi Front Plaza completed.
Completes TOKYO MIDTOWN HIBIYA and the Tokyo Marunouchi Station Plaza
Celebrating 180 years of founding. Nihonbashi Takashimaya Mitsui Building, Nihonbashi Muromachi Mitsui Tower, and Shin‑Meishin Expressway Takatsuki Interchange completed.
Celebrates its 180 anniversary
Completes the NIHONBASHI TAKASHIMAYA MITSUI BUILDING, the NIHONBASHI MUROMACHI MITSUI TOWER, and the Takatsuki IC on the Shin-Meishin Expressway
Yokogawa Town earthquake reconstruction project completed. Otemachi One completed. Tokyo Port City Takeshiba finished.
Completes the reconstruction of earthquake-struck Onagawa Town
Completes Otemachi One
Completes TOKYO PORTCITY TAKESHIBA
Chairman Shoichi Oshiomi, President Yamashige Amano appointed. Koshihara River Dam completed.
Chairman Shoichi Oshiomi, President Yamashige Amano appointed.
Koshihara River Dam completed.
Yoshikazu Oshimi is appointed as Chairman and Hiromasa Amano is appointed as President
Completes the Koishiwaragawa Dam
Yoshino River Sunrise Bridge opened. Kudan Kaikan Terrace completed.
Akita Port & Noshiro Port Offshore Wind Farm starts operations
Completes The GEAR
Grand Opening of HANEDA INNOVATION CITY
Engaged in reconstruction work for the Noto Peninsula earthquake in Reiwa 6 (2024). The Hokuriku Shinkansen section between Kanazawa and Tsuruga stations was extended and opened.
Engaged in reconstruction work for the Noto Peninsula earthquake in Reiwa 6 (2024).
The Hokuriku Shinkansen extension between Kanazawa and Tsuruga stations has opened.
Engages in reconstruction work after the 2024 Noto Peninsula Earthquake.
The Hokuriku Shinkansen is extended from Kanazawa to Tsuruga. Engages in the construction of Tsuruga Station, including bridge and tunnel construction.
On January 27, Chairman Shoichi Oshiomi assumed the role of president (following the death of President Yamashige Amano). On June 26, President Masafumi Kiryu assumed office.
On January 27, Chairman Shoichi Oshiomi assumed the role of president (following the death of President Yamashige Amano).
Chairman Oshi Misoichi is concurrently serving as president (following the death of President Yusuke Amano).
On January 27, Chairman Yoshikazu Oshimi concurrently serves as chairman and president, following the passing of President Hiromasa Amano.
President Masafumi Kiryu assumes office.
On June 26, Masafumi Kiryu is appointed as President
§07
News
74 ARTICLES
Kashima Construction Fully Deploys Physical AI Robot to Construction Sites
Kashima Construction has fully deployed a fully autonomous mobile robot equipped with autonomous control technology developed by FieldAI to construction sites. The robot is equipped with cameras, LiDAR, and edge AI devices, and it replaces routine tasks such as patrol, photography, and measurement, enabling engineers to focus on advanced decision-making and safety management. In 2025, the two companies strengthened their cooperation and are expanding deployment to more than ten domestic sites.
Kashima Construction Secures First Domestic J-Credit with CO2-Absorbing Concrete
Kashima Construction obtained a total of 7t-CO2 J-Credits from two construction projects using the CO2-absorbing concrete "CO2-SUICOM®." This credit is the first certification in Japan based on the methodology for using CO2-absorbing concrete under the J-Credit system.
“Awai -awai2026-” to Be Held in Haneda
Haneda Mirai Development will hold “Awai -awai2026-” from November 6 to 8, 2026, at HANEDA INNOVATION CITY, a multi-purpose complex adjacent to Haneda Airport. At HICity, which is celebrating its third anniversary since its grand opening, a variety of programs covering advanced technology, culture, sports, food, and more will be presented across three categories: “Future,” “Culture,” and “Lifestyle.”
Air Conditioning Control AI Challenge Selected at NeurIPS 2026
Kashima Construction announced that the research challenge on AI control of building HVAC, proposed by researchers from universities and research institutions in the United States and Canada, has been selected for the competition division of NeurIPS 2026. The challenge aims to realize an AI model for HVAC control that does not require individual building adjustments. Kashima and others will co-host a competition to solicit AI models from around the world.
First introduction of the carbonation curing device 'Carbon Lock' at an overseas factory
Kashima Construction introduced its self-developed concrete carbonation curing device 'Carbon Lock' at a precast concrete plant in Johor, Malaysia owned by JOE Green. This is the first operation in an overseas real factory, and they began trial production of concrete partition walls using the device. They will verify the device's operability and control performance under local climate and manufacturing conditions.
Geo-CAST: Optimal Support Selection Analysis Technology Before Drilling
Kashima has developed the Geo-CAST analysis technology, which performs 3D simulations before drilling using estimated geological property values derived from drilling data, quantitatively evaluating multiple support patterns. The analysis and report generation are completed within 24 hours, supporting rapid decision-making and consensus among stakeholders. It was trially introduced in part of the South Works of the Yoro Tunnel on the Tokai Expressway and its effectiveness was confirmed.
Developed and Applied Automation Technology for Dam Foundation Treatment Work
Kajima Corporation developed an automated foundation treatment technology that automates boring and grouting work, enabling continuous construction 24 hours a day. Following its application and verification at the Naruse Dam in Akita Prefecture, the company confirmed that daily construction volume increased by 50% compared with conventional methods and that the workforce required per cycle could be reduced by up to 70%.
Developed the highly sustainable neutral fenton reagent 'FenMix'
Kashima Construction has developed a neutral Fenton reagent 'FenMix' that decomposes and neutralizes VOCs in the neutral pH range. By carefully formulating biodegradable catalysts, it sustains hydroxyl radical generation for extended periods, suppressing VOC rebound. Combined with construction methods tailored to the site environment, the effectiveness of in-situ remediation at large contaminated sites and confined areas has been confirmed. The technology was selected as a target technology in the Ministry of the Environment's 2024 survey, and its effectiveness has been verified through demonstration tests and expert evaluations.
Technology to Immobilize PFAS Using High-Pressure Jet Grouting
Kajima Corporation and Chemical Grouting Co., Ltd. have developed a technology that combines high-pressure jet grouting with a specialized mineral-based adsorbent to immobilize PFAS in the ground. It can construct ground improvement bodies directly beneath existing buildings while they remain in use, suppressing the leaching of PFAS into groundwater. The technology aims to expand the range of applications for PFAS-contaminated soil remediation and reduce costs.
Improved Mountain Tunnel Cutting Evaluation System
Kashima improved the cutting evaluation system so that data necessary for cutting evaluation can be obtained from cameras and sensors mounted on construction machinery. By having skilled workers operate a dedicated tablet, data can be collected, eliminating the need for cutting observers, reducing engineers' workload and improving productivity. It was first introduced on the National Route 169 Ukehara Tunnel and other projects, and its effectiveness was confirmed.
