Metro girder collapses in Ghaziabad
Ghaziabad, April 23: A number of people were injured on Monday after a girder, which was being used by the Delhi Metro for the construction of a foot-over bridge, collapsed here, authorities said.
The Delhi Metro Rail Corporation (DMRC) is yet to confirm the number of the injured and total damages.
"As per initial information, it appears that a steel girder which was erected for building the foot-over bridge at Mohan Nagar collapsed. Few injuries have been reported. However, we are verifying more details," a DMRC official said.
"The Chief Project Manager and General Manager/Safety of DMRC have reached the site to take stock of the situation," he added.
The bridge was being built for the upcoming Dilshad Garden-New Bus Adda section of the network.
The 9.41-km metro extension is proposed to have eight stations in Ghaziabad - Shaheed Nagar, Raj Bagh, Rajendra Nagar, Shyam Park, Mohan Nagar, Arthala, river Hindon and the New Bus stand.
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Army operationalises 3D concrete printing tech for quick construction of bunkers, sentry posts
Gangtok (PTI): The Indian Army, in collaboration with IIT Hyderabad, has operationalised on-site 3D concrete printing technology for quick construction of bunkers, sentry posts and protective structures in forward areas of Sikkim, a Defence statement said.
The capability -- already proven in other operational areas earlier -- has been effectively employed by the Trishakti Corps in the Himalayan state, it said.
"The indigenous robotic 3D concrete printer, equipped with a robotic arm, circular mixer, piston pump and generator, is fully vehicle-portable and optimised for rapid movement in mountainous terrain," the statement said.
The printed structures have undergone live ballistic trials, validating their strength and protective performance.
The 3D concrete printing provides major operational advantages, including customised designs, enhanced blast and ballistic resistance, higher compressive strength, improved quality control, efficient use of local materials and rapid construction in tactically acceptable timelines.
It also supports terrain-specific designs and advanced camouflage needs.
The continued adoption of on-site 3D printing represents a significant leap in the Army's engineering and operational readiness, enabling fast, sustainable, and mission-oriented infrastructure development in challenging environments, it added.
