In response to the recent trend of using structural timber in large-scale construction, we are exploring the possibilities of wooden offices. Here, we studied an office that uses structural CLT (Cross Laminated Timber). Our goal is to use exposed wood for the pillars, beams, and ceilings, and to create an office surrounded by wood. By incorporating ideas that clear fire and earthquake resistance requirements and maximizing the potential of wood, we have created a new office space.
Large spans and good visibility required for an office
CLT is a wooden material made by rotating the grain direction of boards by 90 degrees and gluing them together. It is stronger than regular plywood and can be used as a wall-like structure. As the possibilities for wooden buildings using wood for structures expand, the demand for wood will increase, becoming a stepping stone toward forest conservation and a decarbonized society.
The strength of CLT gives it great potential as a structural wall, but there are some issues when using it as an office. The biggest issue is fire resistance. And its presence as a wall restricts the freedom of office layout and visibility. To solve these issues, we came up with a hybrid structure in which the steel frame is surrounded by CLT. It is a structural form in which the steel frame bears the long-term load, and the CLT acts as an earthquake-resistant element against short-term loads such as earthquakes and wind pressure. CLT is a rational structure that also acts as a buckling stopper for the steel frame. These hybrid materials are placed on the perimeter as columns. CLT studs are placed between the columns. Both are wall-like structures that surround the perimeter with fin-like edges exposed to the outside. There are no columns or walls on the inside, allowing for free planning, and the view to the outdoors is not obstructed.
Integrated with facility planning
Hybrid beams made of CLT panels and H-shaped steel
A hybrid structure will also be used for the beams on the standard floors. As with the columns, hybrid beams are made by sandwiching steel beams between CLT panels, and the areas sandwiched between the CLT panels will serve as ventilation routes and will house lighting boxes, integrating them into the facility plan. By adding a fire-retardant layer to the CLT material, the ceiling surface can be made entirely of wood. Not only the walls, but also the beams and ceiling surfaces will be made of exposed wood materials, creating an office with both a wooden structure and finishing materials.
OTHER WORKS
R&D WORKS Vol.26
JAPAN SPORT OLYMPIC SQUARE ──Manual natural ventilation system
A rich environment can be created by opening and closing the windows by hand.
R&D WORKS Vol.25
JAPAN SPORT OLYMPIC SQUARE ──Wave-shaped slit louvers
An architectural envelope that controls shading and daylighting.
R&D WORKS Vol.24
Renovation of Otemachi Building /100-Year Building facade Edition
Familiar buildings reflect the character of the street.
R&D WORKS Vol.23
SUSTIE—ZEB-related technology demonstration building
Energy saving, health and comfort,
This is an office prototype that takes both to the next level.
R&D WORKS Vol.22
Nagomuma restroom
A refreshing office toilet.
R&D WORKS Vol.21
MELRemo-IPS — Air conditioning location detection system
Share worker location information with everyone.
R&D WORKS Vol.20
Katsuki Medical Building
The floors of the building turn into terraces.
R&D WORKS Vol.19
Gas-permeable membrane ventilation system SEPERNA®
Gas exchange reduces ventilation load.
R&D WORKS Vol.18
Sunshine Aquarium "Jellyfish Panorama"
The floors of the building are enveloped in a sea of jellyfish.
R&D WORKS Vol.17
Zero Traffic Ward
The first hospital building in Japan to be registered as a design
Guardian/A reassuring ward where care is given to patients.
R&D WORKS Vol.16
Coil washable fan coil unit
Wash the concealed air conditioner.
R&D WORKS Vol.15
SMAHOLODEO
A simple MR object using a smartphone.
R&D WORKS Vol.14
Excel-linked BIM system
Making BIM more accessible.
R&D WORKS Vol.13
Smart City Vision for the Otemachi, Marunouchi and Yurakucho Areas
Making people's "movement" smart and walkable
R&D WORKS Vol.12
CLT relocation and reconstruction structural system
A relocatable wooden structure made using CLT.
R&D WORKS Vol.11
CLT floor structure system
The floors of mid- to high-rise buildings will be made of wood.
R&D WORKS Vol.10
Louver free-fitting system
Wavy ceiling louvers.
R&D WORKS Vol.09
Rail lighting
An illuminated train runs through the curtain wall.
R&D WORKS Vol.08
Curtain Wall Sloped Back Panel
Show/Don't show
Switchable 2-way facade.
R&D WORKS Vol.07
MyRemo BLE Smartphone control system for multi-air conditioning systems for buildings
Office air conditioning that can be controlled from your smartphone.
R&D WORKS Vol.06
Highly efficient core rod vibration control system
Vibration control technology that uses a core rod to increase efficiency.
R&D WORKS Vol.05
Next Generation Ambient Lighting
Sensory performance required for lighting fixture design
Improves the "sense of brightness."
R&D WORKS Vol.04
CLT hybrid structure office
A warm, mid-rise wooden office
R&D WORKS Vol.03
Air-Soarer: A constant air speed device that realizes a variable air volume Coanda air conditioning system
An amazing technique that delivers air by crawling along the ceiling.
R&D WORKS Vol.02
Task Desk
One unit per person. The idea of personal air conditioning.
R&D WORKS Vol.01
NF System - Closed Water Spray Equipment Commercialized: 2015
Parking lot fire contained with water alone.
Update : 2019.01.17
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