New Steel Reinforcing and Post-Tenioning safety requirements coming to CA in 2018

Retrofit Magazine shared the following major construction safety news announcement: The California Occupational Safety and Health Standards Board (OSHSB) has voted to adopt the Iron Workers (IW) safety standard updates for reinforcing steel and post-tensioning activities. California is the first state-approved OSHA plan to work with the IW to reform existing safety standards. The IW … Continue reading New Steel Reinforcing and Post-Tenioning safety requirements coming to CA in 2018

Proof of Concept: Ultra-thin, insulated concrete roof with embedded PV

Once again, the incredibly brilliant minds at Eidgenössische Technische Hochschule Zürich (ETH Zurich) have announced innovative processes and materials for a better built environment. Phys.org has the story: Researchers from ETH Zurich have built a prototype of an ultra-thin, curved concrete roof using innovative digital design and fabrication methods. The tested novel formwork system will be … Continue reading Proof of Concept: Ultra-thin, insulated concrete roof with embedded PV

New concrete product claims to be more earthquake resistant AND more sustainable

Concrete is a really amazing building product that provides strength and protection, particularly when reinforced with steel, or when combined with various admixtures. Unfortunately, concrete is extremely costly to produce in terms of its environmental impact. By some accounts, concrete production results in the release of a ton of carbon, for every ton of concrete. … Continue reading New concrete product claims to be more earthquake resistant AND more sustainable

First Pre-Stressed, Steel-Reinforced 3D-Printed Bridge To Be Put Into Service

Technische Universiteit Eindhoven (TU/e) in Netherlands reports the following: Today the Built Environment department’s concrete printer starts printing the world’s first 3D printed reinforced, pre-stressed concrete bridge. The cycle bridge will be part of a new section of ring road around Gemert in which the BAM Infra construction company is using innovative techniques. One of … Continue reading First Pre-Stressed, Steel-Reinforced 3D-Printed Bridge To Be Put Into Service

Canada: Crumbling & cracking concrete cladding causing concern

Vancouver, British Colombia played host for a couple decades to a dramatic uprising of concrete-clad condos that permanently altered the city's skyline. Developers rushing to sell units to (oftentimes  foreign) investors and empty-nesters cut corners, leading to years of litigation followed by tougher standards and improved oversight — particularly regarding the building envelope. Despite the … Continue reading Canada: Crumbling & cracking concrete cladding causing concern