What materials are needed for high-speed railway construction?

Not to mention conventional building materials, the following is only a part.

waterproofing agent

Prestressed steel strand

Steel plate Q235-A δ = 0.5 ~ 6

Steel plate Q235-A δ = 7 ~ 40

Steel plate 16 mnq δ = 6 ~ 10

Stainless steel plate δ≤8

Group anchor (QM, OVM, HVM anchor)

Prestressed steel anchor cable

Horn cast steel

Nylon anchor bolt

Polycarboxylic acid water reducer

Wood calcium water reducer

Water reducer FDN

accelerator

expanding agent

Eliminate foam

Stabilizer O∏- 10

Unidirectional plastic geogrid type 25

Bidirectional plastic geogrid type 30-30

Insulating clip (for binding steel bars)

Tunnel grounding terminal

flyash

Steel strand group anchor (7 holes)

Steel strand group anchor pad

Concrete compactor

Price difference between epoxy resin coated steel bars and ordinary steel bars

Concrete interface agent

Primary wooden pillow

Class Ⅱ wooden pillow

Mu Cha pillow

Polycarboxylic acid water reducer

Capacitor pillow compensation

Compensation of electrical insulation pillow

Seamless steel pipe d (156 ~ 630) × (4.5 ~12)

seamless steel pipe

stainless steel tube

Prestressed metal bellows

Vulcanized rubber pad 650×1/kloc-0 /×100 mm

Seamless steel pipe D 159×7

Seamless steel pipe D 108×6

Seamless steel pipe D2 19×6