基礎工程

Construction site showing concrete foundation work with wooden forms and steel supports
ookinate23o

ookinate23

Close-up of concrete foundation at a construction site showing protruding rebar
ookinate23o

ookinate23

Aerial view of a concrete foundation construction site showing complex shaped sections
ookinate23o

ookinate23

Concrete foundation at a construction site with wooden beams and rebar arranged
ookinate23o

ookinate23

Black and white photo of a bridge structure showcasing steel trusses and the sky
sg_cameras

sg_camera

Image showing the connection of a bridge's understructure featuring white concrete and black fittings
sakurais

sakurai

Image of a construction site featuring red steel beams and structures
@ksk1990k

ksk_1990

Aerial view of a construction site with heavy machinery and buildings under construction
DragonOneD

DragonOne

Cranes and scaffolding at a skyscraper construction site under a blue sky
ookinate23o

ookinate23

Detailed view of scaffolding attached to a building exterior
@cizucu77T

TakaBo-

Upper structure of a blue arch bridge with traffic lights
ookinate23o

ookinate23

Urban construction site with heavy machinery and green fencing
Tsubasa MfgT

Tsubasa Mfg

Part of a building roof with hanging wires
ookinate23o

ookinate23

Image of a concrete foundation under construction showing wooden forms and rebar
ookinate23o

ookinate23

Wooden formwork for foundation construction at a construction site
ookinate23o

ookinate23

Construction site with concrete foundation and rebar columns
ookinate23o

ookinate23