NOMST/Reinforcing material for shield construction method
Nippon Steel Chemical & Materials Co., Ltd.

About This Product

It is used as concrete reinforcement material for shaft walls in underground tunnel shield construction method. Since ground improvement is not required, significant cost benefits can be obtained by shortening the construction period.

■Shield starting and reaching method NOMST Novel Material Shield-cuttable Tunnel-wall system 《1994 Japan Society of Civil Engineers Technology Development Award》NOMST is a new shield starting and reaching method using a new material, concrete. With conventional construction methods, in order to transmit and reach the shield, it was necessary to improve the ground as a protective measure and manually demolish the standing pile earth retaining wall at the pile entrance. However, NOMST uses a new material, concrete, that can be cut with the cutter bit of a shield machine. Ground improvement by chemical injection is no longer necessary or can be reduced, and it is now possible for shield machines to launch and reach the site without the need for dangerous manual demolition of pile openings.

Our company manufactures and sells materials and components for NOMST. We are also working with Ashimori Kogyo to develop a new earth retaining material for starting and reaching, ``SZ Pile.''

■Advantages of using NOMST- Ground improvement for launching and reaching is unnecessary or can be reduced. This prevents groundwater contamination, shortens construction time, and has cost benefits.
・Safety when starting and arriving is ensured. Dangerous work is eliminated and safety management for workers and managers becomes easier.
・The construction period is shortened.
・Starting and reaching can be automated and labor-saving. This will solve the problem of securing craftsmen such as chisels.

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There is 1 model available for this product.

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NOMST/Reinforcing material for shield construction method

Handling Company
Nippon Steel Chemical & Materials Co., Ltd.

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Building Materials

Structural Materials

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1 Models of NOMST/Reinforcing material for shield construction method

Image	Part Number	Price (excluding tax)	Allowable stress (short term) (N/mm2)	Standard cross-sectional area (mm2)	Nickname	Nominal diameter (mm)	Guaranteed tensile strength (kN)	Young's modulus (kN/mm2)
	Rod High elasticity Nominal name φ12.5	Available upon quote	733	122.7	Φ12.5	12.5	120	200

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About Company Handling This Product

Nippon Steel Chemical & Materials Co., Ltd.

Japan

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NOMST/Reinforcing material for shield construction method Nippon Steel Chemical & Materials Co., Ltd.

About This Product

■Shield starting and reaching method NOMST Novel Material Shield-cuttable Tunnel-wall system 《1994 Japan Society of Civil Engineers Technology Development Award》

■Advantages of using NOMST

1 Models of NOMST/Reinforcing material for shield construction method

Rod High elasticity Nominal name φ12.5

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NOMST/Reinforcing material for shield construction method
Nippon Steel Chemical & Materials Co., Ltd.