Retaining Walls

There are a variety of retaining wall design solutions available to the market that include, Cantilever Reinforced Concrete Walls, Boulder Walls, Reinforced Earth Walls, Crib Walls and Sleeper Walls.

There is now a new System designed by MD Stevenson & Associates using concrete block masonry or reinforced concrete panels.

Retaining wall at the New Generation Rolling Stock - Railway Maintenance Yard - Wulkuraka-up to 6.0m high utilising precast concrete panels

3.0m Precast Concrete panel Retaining wall and 2.0m Noise Barrier Goodna

3.0m Block Retaining wall and 6.0m Noise Barrier at Collingwood park

This new system uses less space than the boulder and cribb walls systems, requires less earthworks than the Reinforced Concrete and Reinforced Earth Systems and is cost effective when considering construction cost, construction time and land yield.

MDSA Retaining Wall System
Advantages of the MDSA Retaining Wall System

-Minimises land useage
-Maximise available land
-Fencing can be put on top of wall
-Minimises earthworks
-Minimises on site work
-RPEQ certified design
-Potential increase in land value due to
increase in available usable land
-Designs available up to 6.0m
Installations in SE Qld have been made at:
-Goodna
-Murrumba Downs
-Hope Island
-Calamvale
-Wulkurruka(Ipswich)

Rendered reinforced block masonry wall-Calamvale,QLD

Disadvantages of other systems

-Back slope on face uses up valuable land
-Width of wall uses up valuable land
-Fences set back behind wall
-Costly preliminary earthworks
-Costly onsite setup costs
-Costly formwork
-Curing time
-Costly post construction earthworks