THE CETA-RAM BLOCK PRESS by Roberto Lou Ma, Civil Engineer, Centro de Experimentación en Tecnología Apropiada, Guatemala1. INTRODUCTION T. The CETA-RAM is a manually operated block press, developed by the author just after the February Guatemalan Earthquake, specifically. CETA. Centro de Experimentacion. en Tecnologia Apropiada. Apartado F. Guatemala C.A.. Description. The CETA-Ram Block Press was developed by.

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Some of these machines have produced more than 60, blocks apiece, without operational problems and without undue wear.

It would appear that with proper care and maintenance, the life span of CETA-RAM, expressed in terms of production, could conservatively be estimated atblocks. Notify me of follow-up comments by email. In properly constructed masonry walls, the holes are aligned through the full height of the wall, so that steel reinforcing rods can be inserted at suitable intervals and cement mortar grout poured in from the top, to achieve earthquake resistance.

I just popped out my tape measure in curiosity. Any ideas or is this just too much for this type of material? Are they still building this way decades later? Built entirely of steel, it is composed of three main assemblies see drawings: Learn how your comment data is processed. The dimensions of the block are Do you know if it is still being built and sold?

Labour force required incl. The holes simplify the placement of vertical reinforcement in earthquake resistant wall constructions: Just a little bigger and more efficient. The CETA-RAM is a manually operated block press, developed by the author just after the February Guatemalan Earthquake, specifically for the production of hollow soil-cement building blocks.

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CETA Ram Block Press | Natural Building Blog

This comes out to be convenient in the planning and execution of low cost housing projects, as it allows a modular coordination on the basis of 50 and centimeters, in both architectural and structural aspects. Would be amazing, thanks! I wonder how these types of block would work as bloco retaining wall against a hill? This site uses Akismet to reduce spam. Twenty four blocks lay up one square meter of wall. Nevertheless, it is capable of molding at high gam, dense and neatly finished blocks ofhigh structural quality, at the rate of to units per eight hour shift,when operated by two persons.

This press makes larger blocks than the Cinva ram to make better use of lightweight volcanic soil. So CEBs would not be the best choice. These columns also serve as inserts to form the holes in the blocks.

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Soil block presses: CETA- Ram

The block dimensions have been especially conceived fam modular coordination on the basis of 50 or centimeters: My ebook explains how to build earthbag retaining walls that would be much stronger and more durable. An alternative model of the machine has also been developed to produce both hollow and solid blocks.

Two 6cm diameter holes run through its full thickness. Before filling in the soil a steel pallet is laid at the bottom of the mould and after the compacted block is ejected, a second pallet is placed on top of it.


I am really happy to have found this press produced in Rsm, I am looking for a CEB press for a social project in El Salvador and this is my perfect match.

The block is then hand carried between the two pallets and carefully laid on its side on the ground, thereby freeing the pallets for immediate reuse. Quick calculation for a small house measuring 6m square by 2.

A special insert with dividing plate for making two half-blocks at a time has also been developed, as well as Inserts for semi-hollow froggedchanneled and rabbeted blocks. My ears perked up when I heard lighter, faster, easier.

CETA Ram Block Press

To date, CETA has built more than 50 units, used in various rural habitational projects throughout the deta and abroad. That means you could build a larger house for yourself, several smaller buildings around your homestead and then sell it to a housing group that could go on to make another 70 houses or so for poor people.

Not deducting for doors or windows for simplicity. Please enable JavaScript on your browser to best view this site. Can you give me any contact?