Cross-frames have already been installed between these two steel girders.

ARABIAN GULF (July 30, 2017) U.S. Navy Aviation Structural Mechanic 3rd Class Jose Maldonado, from Bridgeport, Conn., sands the paint on an EA-18G Growler, from the “Gray Wolves” of Electronic Attack Squadron (VAQ) 142, aboard the aircraft carrier USS Nimitz (CVN 68), July 30, 2017, in the Arabian Gulf. Nimitz is deployed in the U.S. 5th Fleet area of operations in support of Operation Inherent Resolve. While in this region, the ship and strike group are conducting maritime security operations to reassure allies and partners, preserve freedom of navigation, and maintain the free flow of commerce. (U.S. Navy photo by Mass Communication Specialist 3rd Class Leon Wong)

Lehigh Structural Steel

On the banks of the Lehigh River

Allentown, Pennsylvania

Crews continue preparing for structural steel erection on April 12, 2012.

Crews continued structural steel erection on April 11, 2012.

I was invited to photograph at ADM Amsterdam's 18th edition of the ADM Blijft Festival, which included many bands, performers and artists as well as talks and workshops.

Once the truck is parked in the correct position, the crane lowers the beam spreader with the beam clamps. The location on the girder where it is lifted has been carefully calculated and is measured in the field.

On April 13, 2012 crews work to "splice" - or join - two pieces of structural steel together.

A crew member readies the crane to lift steel girders into place on May 10, 2012.

Here, ironworkers have attached a few of the cross braces that will eventually connect these girders. These braces keep these two girders stable, as they sit just a few feet east of Pier 13.

Structurual analysis for a church vault as a statically indeterminate system like Gaudi did some years ago without any help of computers or calculators.

GREAT LAKES, Ill. (March 6, 2012) -- Chief Aviation Structural Mechanic (AW) Joshua Melling (right), a Recruit Division Commander (RDC) at Recruit Training Command (RTC), inspects the uniform of a recruit at RTC, the Navy's only boot camp, here March 6. There are on average between 150-200 CPO RDCs at RTC every year. (U.S. Navy photo by Mass Communication Specialist 1st Class Andre N. McIntyre/Released)

NAVALIR FACILITY MISAWA, Japan (Jan. 10, 2013) -- Aviation Structural Mechanic 3rd Class David McMillian, originally from Daphne, Ala., assigned to Electronic Attack Squadron (VAQ) 132, checks the tailhook of an EA-18G Growler prior to the aircraft taking off on a scheduled mission on board Naval Air Facility Misawa. VAQ-132 is currently finishing up a six-month deployment at NAF Misawa in support of U.S. 7th Fleet. (U.S. Navy photo by Mass Communication Specialist 1st Class Kenneth G. Takada)

Lehigh Structural Steel

On the banks of the Lehigh River

Allentown, Pennsylvania

Building pig pit in Loh Yo (photo by Angela Jöhl Cadena, IUCN)

Skyframe doors

Lehigh Structural Steel

On the banks of the Lehigh River

Allentown, Pennsylvania

offwell house

Dortechs Structural Silicone Glazed Curtain Wall systems can be used to create almost perfectly flush-fitted glass facades. The appearance of structural glazing is achieved by using profiles that are only visible on the room side. From the outside, only the glazing and the slender shadow joints are visible. The gap between each piece of glass is approximately 25mm (this can vary) in comparison to the 50 – 60mm site line prevalent with traditional, visible grid curtain wall systems.There are two main types of SSG system Dortech offers;

The first is based upon specialist double glazed units which are manufactured to include an SSG spacer bar which incorporates a ‘U’ channel. Typically the spacer bar will have a bronze anodised finish. Structural silicone is used to bond each piece of glass to the spacerbar. Once the curtain wall grid has been erected on site, these specialist glass units are delivered to site and locked into the grid using metal toggles which are designed specifically for each respective aluminium suppliers curtain wall system. Finally a compatible silicone is applied over the top of the vertical and horizontal joints to create a flush finish.

The second utilises traditional double glazed units manufactured with structural silicone. Aluminium carrier frames are then bonded around the perimeter of each piece of glass with structural silicone. On site, the perimeter frame is locked into the curtain wall grid and then silicone is applied over the gap between each piece of glass.

Please note, the SSG Curtain wall sysems cannot accomodate significant structural movements.

Dortech has carried out a number of projects utilising the following SSG Curtain wall systems:

Schuco FW50+SG

Schuco FW60+SG

Technal MX+SG

For further information, please contact us using the details below:

Website: www.dortech.co.uk

Email: company@dortech.co.uk

Tel: 0044 (0) 1484 451177

Fax 0044 (0) 1484 456474

Crews begin the process of moving the steel girder off the delivery truck.

Dortechs glass and steel bolt assembly system can be suspended or stacked. It can be fixed back to structural steelwork, Glass fins, tension trusses & cable nets.

The product is ideal for Facades, Glass Bridges, Internal Partitions, Shopfronts, Balustrading, Glass Canopies & Roofs.

The final product has a Completely Flush external appearance, Clean lines with no intersecting mullions or transoms.

The system Maximises light transmission and has a range of mechanical fixings to suit aesthetic objectives.

Monolithic (Single Glazed) or IGU (double glazed)options are available.

For further information, please contact us using the details below:

Website: www.dortech.co.uk

Email: company@dortech.co.uk

Tel: 0044 (0) 1484 451177

Fax 0044 (0) 1484 456474

It takes a really big beam clamp (or two of them, actually) to lift this 50,000 pound beam into the air to move it off the truck. Here two of our ironworkers carefully guide the clamp into the proper location.

Structural integration

Affiliation formation

Identity negotiation

Cracking, horizontal and vertical displacement of the brickwork for the outer platform shelter structures at Armadale station. The station is of one of four similarly designed ones between Caulfield and South Yarra built as part of a large scale project to lower the rail lines to remove numerous level crossings and expand the section of line from two to four tracks.

The stations at Malvern, Armadale, Toorak and Hawksburn were built to a common design by James W Hardy and were completed in 1914 with the quadruplication work coming into service in October 1915. The stations consist of a central island platform with outer side platforms all linked by a pair of enclosed footbridges. A similarly designed example is located at Camberwell on the Lilydale/Belgrave lines.

In recent years the shelters on the outer platforms have had cracking in the brickwork and significant horizontal movement, particularly near the arch structures over the platform entrances - which themselves have all been supported by a steel insert pinned at multiple locations into the brickwork. In many cases there have been survey markers placed to monitor the progression of movement.

In addition an elevated shop built at the top of the station platform facing Cheel Street also has major problems with differential settlement and has been held together with an enclosed steel frame at the top parapet of the structure with the three brick columns at the rear on the platform supported by steel props with temporary fencing around the platform side. The Armadale Village Deli which traded from the site was forced to 'temporarily' move owing to the unsafe condition of the structure.

Dortechs Structural Silicone Glazed Curtain Wall systems can be used to create almost perfectly flush-fitted glass facades. The appearance of structural glazing is achieved by using profiles that are only visible on the room side. From the outside, only the glazing and the slender shadow joints are visible. The gap between each piece of glass is approximately 25mm (this can vary) in comparison to the 50 – 60mm site line prevalent with traditional, visible grid curtain wall systems.There are two main types of SSG system Dortech offers;

The first is based upon specialist double glazed units which are manufactured to include an SSG spacer bar which incorporates a ‘U’ channel. Typically the spacer bar will have a bronze anodised finish. Structural silicone is used to bond each piece of glass to the spacerbar. Once the curtain wall grid has been erected on site, these specialist glass units are delivered to site and locked into the grid using metal toggles which are designed specifically for each respective aluminium suppliers curtain wall system. Finally a compatible silicone is applied over the top of the vertical and horizontal joints to create a flush finish.

The second utilises traditional double glazed units manufactured with structural silicone. Aluminium carrier frames are then bonded around the perimeter of each piece of glass with structural silicone. On site, the perimeter frame is locked into the curtain wall grid and then silicone is applied over the gap between each piece of glass.

Please note, the SSG Curtain wall sysems cannot accomodate significant structural movements.

Dortech has carried out a number of projects utilising the following SSG Curtain wall systems:

Schuco FW50+SG

Schuco FW60+SG

Technal MX+SG

For further information, please contact us using the details below:

Website: www.dortech.co.uk

Email: company@dortech.co.uk

Tel: 0044 (0) 1484 451177

Fax 0044 (0) 1484 456474

Claremont House is a large, stone built former dwelling and outbuildings, standing in grounds of approximately 1.4 hectares off Storrs Bridge Lane. The building was last used as a social club for employees of the nearby Hepworths Refractories, but has been vacant for many years. It was built in 1895. Some of the outbuildings are in a derelict condition. The grounds, including a former car park and tennis court, have become overgrown and a substantial number of self-set trees and shrubs have colonised the site. The site has reverted to a semi-natural state, although some minor fly tipping has occurred.

It is the most unsafe building I have been in.

Cross-frames for the new giders are stacked and ready for use.

Fujichrome Sensia slide film, shot through the Holga, processed normally, and scanned in.

Once the truck is parked in the correct position, the crane lowers the beam spreader with the beam clamps. The location on the girder where it is lifted has been carefully calculated and is measured in the field.

040206-F-1740G-003, Yokota Air Base, Japan (AFPN)- Airman First Class Ashley Maddox, a member of the 374th Maintenance Group/ aircraft structure element, Yokota Air Base, Japan, visually inspect a C-130 aircraft engine after it was painted here. The engines are periodically sanded, primed and painted by members of the structural element flight to prevent corrosion. (Photo by: MSgt Val Gempis)

Structural glass box

Photographs by Jim Winslet Graham Carlow

Structural glass box

.SIP (structurally insulated panels) on site

Crews prep the area for around-the-clock work, hoisting materials into the site.

Pigeon Spring Stamp MIll

Pigeon Spring, Nevada

1890-1907

This area once had a saloon, store, and roadhouse. A post office application was submitted in 1899, but did not open.

This is a part of California/Nevada 2012 Photo Trip.

Lehigh Structural Steel

On the banks of the Lehigh River

Allentown, Pennsylvania