Current underwater concrete crack detection is mainly based on manual visual inspection and underwater probing by divers. These methods have several limitations, such as fragmentation of ...

HART to replace rail segment after large crack in concrete Posted: Apr 16, 2015 / 05:48 PM HST. Updated: Apr 16, 2015 / 05:48 PM HST. Posted: Apr 16, 2015 / 05:48 PM HST.

Concrete sewage pipes lead a hard life, constantly being exposed to corrosive acid produced by bacteria in wastewater. A new additive could allow such concrete to self-heal – and it would do so ...

Officials say they were actually crack pipes. ... Each of the blue metal boxes was attached to the ground with concrete and had a metal slot that held $2 worth of quarters.

Concrete surfaces around homes are subject to year-round weathering from snow, ice, water and sun. They’re also stiff, brittle and structurally lightweight. So it’s no wonder they crack, heave ...

The 'pipes' sold were in fact real pens that write, police said, but the tubular section of the pen can be used as a crack pipe. Regardless, the Town of Brookhaven said the vending machines had no ...

KAPOLEI, OAHU (HawaiiNewsNow) - Many of the concrete segments on Honolulu's rail transit system are only a few months old but already cracks are beginning to show. The most notable cracks can be ...

A local resident shared a video showing one of the vending machines on social media Local officials in New York's Long Island say they have removed unauthorised vending machines dispensing drug ...

PennDOT has shut down the HOV lane from the Veterans Bridge onto I-279 in Pittsburgh after discovering a crack in one of the concrete piers that supports the bridge ramp.

'Crack pipe' vending machines found in Long Island, NY. 11 September 2018. Share Save. ... The officials said the machines were embedded in concrete without permission in public locations.