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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The holes simplify the placement of vertical reinforcement in earthquake resistant wall constructions: The dimensions of the block are Please enable JavaScript on your browser to best view this site.

Are they still building this way decades later? This comes ceha 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. 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.

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.

Your email address will not be published. A Cinva ram seems best for typical heavy soils unless you have lightweight additives. Notify me of new posts by email. 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.


Soil block presses: CETA- Ram

The block is then hand carried rsm the two pallets and carefully laid on its side on the ground, thereby freeing the pallets for immediate reuse. Some of these machines have produced more than 60, blocks apiece, without operational problems and without undue wear. 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.

Just a little bigger and more efficient. Leave a Reply Cancel reply Your email address will not be published.

The block dimensions have been especially conceived for modular coordination on the basis of 50 or centimeters: I just popped out my blokc measure in curiosity. Twenty four blocks pres up one square meter of wall. An alternative model of the machine has also been developed to produce both hollow and solid blocks.

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

These columns also serve as inserts to form the holes rak the blocks.

CETA Ram Block Press | Natural Building Blog

This press makes larger blocks than the Cinva ram to make better use of lightweight volcanic soil. Can you give me any contact?

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Two 6cm diameter holes run through its full thickness. Do you know if it is still being built and sold? The hollow blocks are intended for use in reinforced masonry for low cost earthquake resistant housing. 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.


Nevertheless, it is capable of molding at high pressure, dense and neatly finished blocks ofhigh structural quality, at the rate of to units per eight hour shift,when operated by two persons.

I want to purchase 1pc of ceta ram were can I get it. The length of three blocks, included the respective joints, add exactly one meter. Not deducting for doors or windows for simplicity.

To date, CETA has built more than 50 units, used in various rural habitational projects throughout the country and abroad. Size of machine length x width x height 40 x 25 x 70 cm 16 x 10 x 28 in. Learn how your comment data is processed. Quick calculation for a small house measuring 6m square by 2. So CEBs would not be the best choice. Notify me of follow-up comments by email. I really like the free plans.

CETA Ram Block Press

Built entirely of steel, it is composed of three main assemblies see drawings: My ebook explains how to build earthbag retaining walls that would be much stronger and more durable.

I wonder how these types of block would work as a retaining wall against a hill?

My ears perked up when I heard lighter, faster, easier.