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Testing concrete pumping from the bottom of the formwork. Companies involved in the test were Cemex of Mexico, Urbi, and Wall-Ties & Forms, Inc.
Final inspection for concrete housing forms destine for the Bahammas. For more information on formwork visit Concrete Forms
Final inspection for concrete housing forms destine for the Bahammas. For more information on formwork visit Concrete Forms
Rapid concrete construction in Caracus Venezuela using handset aluminum concrete forms. For more information visit www.wallties.com
Howard Civil Engineering used RMD Kwikform's Ascent Climbing Formwork to construct a new lift bridge over Salford Canal.
S and F Concrete installed formwork and reinforcing steel, also called rebar, for the first foundation concrete placement for the new Integrated Sciences Complex (ISC).
The concrete was poured atop the clustered piles and rebar to form caps. Concrete was also placed to form the base wall of the grade beam foundation. Concrete trucks joined the mix of excavators, backhoes, and pile and reinforcing steel delivery trucks on the ISC site.
Photos by Harry Brett
Final inspection for concrete housing forms destine for the Bahammas. For more information on formwork visit Concrete Forms
Crews building wooden formwork for the Royal Brougham Way Bridge ramp to the Qwest Event Center Garage. Crews are building the ramp for the SR 519 Intermodal Access project. The bridge and ramp will open in spring 2010. Learn more at www.wsdot.wa.gov/projects/sr519.
At 7.2 metres, the circular walls of the Sheppard Theatre are the highest rammed earth walls in the UK. To make rammed earth walls, loose, moist subsoil is compacted in thin layers between shuttering or formwork. Mechanical compaction forces clay molecules to bond with the aggregate (a physical rather than a chemical bond), giving the wall its strength. Particle size and grading, moisture content, and clay content are all critical to the performance of the finished wall.
Llynclys Quarry near Oswestry was identified as source of suitable material (the earth for the walls in our Information Centre also came from Llynclys), and samples of several different materials were taken for testing. The material chosen was a waste product that had already been processed and had a suitable grading - particles of 6mm and less.
A proprietary circular shuttering system with an adjustable radius was used for the theatre walls. Earth was added in 150mm layers and compacted using a hand held pneumatic ram. Four sections of wall were built, with 2 full height gaps for doors. The walls are 500mm thick, incorporating 320 tonnes of earth.
The rammed earth provides structural support for the roof, but does not form the external walls – these are timber-framed glazing (on the south side) and hemp and lime. There is a corridor around the theatre, between the rammed earth and the external walls. The high performance double glazing uses a low-e coating, argon gas fill and insulated spacers in FSC-accredited redwood & oak frames, and has a U-value of 1.1 to 1.4 W/m2K.
Earth specialists Rowland Keable (of Ram Cast: www.rammed-earth.info) and Andy Simmonds (www.simmondsmills.com) were brought in to help with the design and build.
from info.cat.org.uk/questions/wise/how-was-rammed-earth-used-...
Mass housing construction in Mexico using aluminum concrete forms. For more information on aluminum formwork visit Concrete Forms
This product is pretty cool. One guy set up this home's foundation in a couple days using this modular expanded polystyrene formwork. The consolation to using non-biodegradable polystyrene as a formwork is that you leave the blocks in place, substantially increasing the R-value of the foundation. Not losing heat to the ground represents a huge energy savings in the northern climates.
Concrete forms destine for Brazil set for final inspection. For more information on aluminum concrete forms visit www.wallties.com
Rapid concrete home construction in Mexico using aluminum handset concrete forms. For more information on formwork visit Concrete Forms
Rapid concrete construction in Caracus Venezuela using handset aluminum concrete forms. For more information visit www.wallties.com
Rapid concrete construction in Caracus Venezuela using handset aluminum concrete forms. For more information visit www.wallties.com
Crypts being constructed using aluminum concrete forms. For more information visit www.wallties.com/burial_crypts.htm
Rapid concrete home construction in Mexico using aluminum handset concrete forms. For more information on formwork visit Concrete Forms
Final inspection for concrete housing forms destine for the Bahammas. For more information on formwork visit Concrete Forms
Final inspection for concrete housing forms destine for the Bahammas. For more information on formwork visit Concrete Forms
Howard Civil Engineering used RMD Kwikform's Ascent Climbing Formwork to construct a new lift bridge over Salford Canal.
Final inspection for concrete housing forms destine for the Bahammas. For more information on formwork visit Concrete Forms
Howard Civil Engineering used RMD Kwikform's Ascent Climbing Formwork to construct a new lift bridge over Salford Canal.
Mass housing construction in Mexico using aluminum concrete forms. For more information on aluminum formwork visit Concrete Forms