P20652: 3D Concrete Printer
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Subsystem Build & Test

Table of Contents

Team Vision for Subsystem Level Build & Test Phase

The team was focused on building and testing the first (X) dimension. Additionally, supplies for the second (Y) dimension was ordered.

Accomplishments during this phase include...

Test Results Summary

Various tests from the test plans were performed. Additionally, some objective experiments were performed to assess the feasibility of the concrete and electro-mechanical systems.

Concrete Material Testing

From all testing, it was determined that 25.5% is a good concrete to water by mass ratio.

Extrusion Tests

This stage included the first example of stacked extruded concrete. The images below show the extrusion samples.
Printing Sample

Printing Sample

Printing Sample

Printing Sample

Printing Sample

Printing Sample

Cured Sample (side)

Cured Sample (side)

Cured Sample (Front)

Cured Sample (Front)

Slump Tests

A set of slump tests were performed. The document (TODO: Add Mixture Qualification Procedures) details how the concrete mixtures were tested. A number of the tests were omitted based on learnings from other tests.

Sample A (15% Water to Concrete Ratio) Test 1

Sample A (15% Water to Concrete Ratio) Test 1

Sample A (15% Water to Concrete Ratio) Test 2

Sample A (15% Water to Concrete Ratio) Test 2

Sample A (15% Water to Concrete Ratio) Test 3

Sample A (15% Water to Concrete Ratio) Test 3

Sample E (25% Water to Concrete Ratio) Test 1

Sample E (25% Water to Concrete Ratio) Test 1

Sample E (25% Water to Concrete Ratio) Test 2

Sample E (25% Water to Concrete Ratio) Test 2

Sample E (25% Water to Concrete Ratio) Test 3

Sample E (25% Water to Concrete Ratio) Test 3

Sample E (25% Water to Concrete Ratio) Test 1

Sample E (25% Water to Concrete Ratio) Test 1

Cured Sample (side)

Cured Sample (side)

Cured Sample (side)

Cured Sample (side)

Cured Sample (side)

Cured Sample (side)

Cured Sample (side)

Cured Sample (side)

Penetration Tests

Risk and Problem Tracking

Plans for next phase


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