Redi rock gravity walls rely on massive concrete blocks to hold up the earth.
Concrete block retaining wall design nz.
Starting from 299 per metre.
Numerous textbooks and technical papers on soil mechanics foundation engineering concrete design masonry design and in all sorts of related topics.
Perfect for heavy duty garden retaining walls.
Anchorbloc is an innovative simple and economic solution to one of the most basic civil engineering tasks.
All firth retaining is made in nz.
Creates walls up to 1m high can go higher with specific design 3 units per lm or 11 units per m2 retaining capping units corner blocks and fibreglass pin connectors are also available 34kg block.
The new zealand concrete masonry manual which was created in the late 1970s as a guide to the design and construction of concrete masonry has been updated and is available in sections for free download as required.
Depending on the concrete blocks used a retaining wall made from concrete blocks could start from around 299 390.
Design build manufacturer of interlocking large concrete blocks for gravity retaining walls security walls railroad flood control and containment bins.
Despite the many references a single volume on retaining wall design for the professional practitioner and civil engineering student could not be found.
Retaining walls only better.
Cost for a concrete retaining wall.
Mass concrete or rubble gravity retaining wall.
1 3 modular wall masonry.
Manufacturers of some proprietary retaining wall systems particularly crib walls have pre engineered design tables that may be used without the need to engage an engineer.
1 1 what is concrete masonry.
Nzs 4229 1999 concrete masonry buildings not requiring specific engineering design.
Firth keystone retaining wall system lightweight easy to handle and requires no special tools.
Nzs 4230 2004 design of reinforced concrete masonry structures.
1 5 m maximum surcharge 45 zone of influence figure 2.
Good piped drainage that disposes of water away from behind the wall to limit this build up of figure 1.
Retaining or protecting embankments.
1 4 mortar and.
A build up of water behind the wall is the principal cause of retaining wall failure.
The gravity wall system is an engineered retaining wall solution that relies on the weight of massive one ton blocks to retain the earth.
It is a modular concrete block designed to form an integrated segmental retaining wall.
Surcharge and zone of influence.
1 2 concrete masonry wall units.