Road closures near Kirk Hill bridge have now been lifted as Network Rail’s reconstruction project moves closer to completion. The removal of traffic restrictions marks a major milestone for a scheme d...
A tower crane collapse in Coquimbo, Chile, during severe winter storm conditions highlights the vulnerability of temporary construction structures when exposed to extreme wind loading. Although tower...
HS2 engineers have completed the main structure of the Burton Green tunnel in Warwickshire after installing the final roof segment. The 700 m long and 16 m wide twin-box tunnel will carry high-speed t...
A GBP130bn rail concept known as The Loop has been presented as a bold proposal to connect major cities across northern England, Scotland, Wales, Ireland and Northern Ireland. The idea, championed by...
An Italian court has sentenced the former head of motorway operator Autostrade per l’Italia to 12 years in prison over the 2018 Morandi Bridge collapse in Genoa, one of Italy’s deadliest infrastructur...
The 17-story Crosley Tower at the University of Cincinnati is being dismantled through a carefully controlled top-down demolition, floor by floor and slab by slab. The project is removing one of the c...
More than two weeks after the powerful earthquakes that struck Venezuela, the emergency response is moving from search and rescue toward structural assessment, temporary housing and recovery planning....
A high-rise building in Manhattan was declared unstable after two structural columns buckled during works to convert the former Pfizer headquarters into residential apartments. The incident occurred a...
HS2 has completed civil works on its first green tunnel, the 880 m-long Copthall tunnel near West Ruislip on the western edge of London. The cut-and-cover structure was built using around 1.2 million...
The Panama Canal is facing a new test that is less about widening the waterway and more about protecting the water that keeps it operating. After the severe drought disruption of recent years, canal a...
Work has started at Tenby railway station to install sections of a new pedestrian bridge as part of a major accessibility upgrade. The project is being delivered through the Department for Transport’s...
A major restoration and seismic stabilization project is nearing completion at the historic Salt Lake Temple in Salt Lake City, Utah. The 382,207 sq ft Gothic Revival building, first opened in 1893 af...
The Golden Gate Bridge opened on May 27, 1937, and has since been standing as a landmark synonym to the city of San Fransisco. It was constructed between 1933 and 1937 in the Bay Area, and...
Given the rate and direction of full dip of a plane or seam, find the bearing of an apparent dip. Two directions noted, in which a given apparent dip occurs. Known values: Full dip direction = α...
Given the rate and direction of full dip of a plane or seam, find path gradients in three different directions, (a) due N, (b) N 75o E, (c) due E. Known values: Full dip direction = N 30o E Full...
Given the direction of full dip and the rate and direction of an apparent dip of a plane or seam, find the rate of full dip. Known values: Full dip direction = α Apparent dip direction = &b...
Given the rate and direction of full dip of a plane or seam, find the apparent dip in any other direction. Known values: Horizontal length along full dip direction = x Full dip rate = 1 in x Sol...
A vertical borehole passes through a seam with a known dip at 43o. If the apparent thickness of the seam as shown by the borehole core is 2m, calculate: (a) the true thickness of the seam and (b) the...
Calculate the coordinates of the intersection of two lines given the coordinates of four stations. Known values: Coordinates A (EA, NA), B (EB, NB), C (EC, NC), D (ED, ND) i.e. A &nbs...
