Photograph

The Peru Project – Low Cost Housing for the United Nations: Interlocking concrete blocks for mortarless block wall – Photographs of mold

01/01/1969

Construction Experiment & Mock-up

Four photographs of the mold used for the casting of cement interlocking hollow wall blocks, along with images of the finished block.

Photographer:

Christopher Alexander/C.E.S., Lima, Peru

Source:

Negative

Characteristics:

35mm, B&W

Content of

Construction Innovation

Peru Project - Low Cost Housing for the United Nations: Interlocking concrete blocks for mortarless block wall 1969

Construction System, Cement Interlocking Blocks

Created by:

Christopher Alexander, Sanford Hirshen, Sara Ishikawa, Christie Coffin, Shlomo Angel

Bearing walls, shear walls and ground floor partitions are cavity walls of interlocking, self-aligning concrete blocks, moulded on site. The block is self-supporting up to a height of three floors. Vertical edges, corners and horizontal upper edges are either poured ...

Contents

Photographs

SEE ALL Photographs

References

Scientific Research

Innovative Construction Systems, Techniques and Materials

Areas of focus:

Design and Building Process

Guiding idea:

Construction Innovation

One of the main topics of research, included in every building project, was to identify, early on in the design process, the material and techniques of construction. This would re-establish building as an art, and allow rapid shaping and adaptation, ...

Projects

Peru Project - Low Cost Housing for the United Nations 1969 to 1970

11km north of Lima, Lima, Peru

Master Planning, Low Cost Housing, Realized , Invited Competition, Proposal submitted in 1970

Client:

Mr. Peter Land, United Nations coordinator of PREVI project

C.E.S. staff:

Christopher Alexander, Sanford Hirshen, Sara Ishikawa, Christie Coffin, Shlomo Angel

Sponsor:

United Nations

Project cost:

$1,800-$3,800 / house

Project stages:

Pattern language for the project by C.E.S. Generic rules for choice process Preliminary Design Innovative construction methods

Master plan for a community of 1500 houses, submitted as one out of twelve other competition entries for the United Nations sponsored international housing competition PREVI (Proyecto Experimental de Vivienda). The Center for Environmental Structure was chosen as the ...