Formwork Blog

Posts Tagged ‘Thrust Blocks’

Guide to the Design of Thrust Blocks for Buried Pressure Pipelines (Report,)

This report presents a step-by-step design guide for thrust blocks to restrain the forces generated by changes in direction of fluid flow in jointed buried pressure pipeline networks.

It provides a detailed background knowledge to the underlying principles and theory involved with designing thrust blocks for buried pipelines.

The guidance given in this report is principally for thrusts up to 1000kN, limiting both the pressure range and pipe diameters and, more importantly, the thrust block sizes.

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Location: Whyalla Pellet Plant South Australia

Here’s another thrust block formwork job we had to do, but this time it was below the water table which means that water would be continually pouring into the job the whole time.

Thrust Block Excavation

Imagine arriving at this job and they say they want a couple of thrust blocks around these pipes, and they want it quick coz it’s “just a couple of thrust blocks”

Pumping the Water Out

Not only that, Des had to be very careful while digging out this watery goop to avoid damage to the fiber optic telecomminications and electrical cables while the pump pumps water out all day long. Des named this job The Swamp Monster

Concrete Thrust Blocks (Pump Still Pumping)

Finally the job is done and the Concrete Thrust Blocks are in position. The formwork for this job was almost the same as this other thrust block formwork we did.

Location: Project Magnet – Iron Duke Mining Construction Site Whyalla South Australia

Thrust Block Formwork being constructed around slurry and water pipes.

Thrust Block Formwork

Timber scaffolding was used for access and work platform for inspectors, supervisors, concretors and formworkers.

Thrust Block Formwork with Timber Scaffolding