Science Fiction Dictionary
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

 

Martian Concrete, Rich In Sulphur, Made After Arrival

Once on the Red Planet, human explorers will need a base of operations. Rather than bring building materials all the way from Earth, it makes much more sense to make them on site.


(Martian Concrete)
a, Three point bending setup;
b, fracture surface;
c, typical cracks after bending test.

A significant step in space exploration during the 21st century will be human settlement on Mars. Instead of transporting all the construction materials from Earth to the red planet with incredibly high cost, using Martian soil to construct a site on Mars is a superior choice.

Knowing that Mars has long been considered a "sulfur-rich planet", a new construction material composed of simulated Martian soil and molten sulfur is developed. In addition to the raw material availability for producing sulfur concrete, while its strength reaches similar levels to conventional cementitious concrete, fast curing, low temperature sustainability, acid and salt environment resistance, 100% recyclability are appealing superior characteristics of the developed Martian Concrete.

In this study, different percentages of sulfur are investigated to obtain the optimal mixing proportions. Three point bending, unconfined compression and splitting tests were conducted to determine strength development, strength variability, and failure mechanisms. The test results are compared with sulfur concrete utilizing regular sand. It is observed that the particle size distribution plays a significant role in the mixture's final strength.

Furthermore, since Martian soil is metal rich, sulfates and, potentially, polysulfates are also formed during high temperature mixing, which contribute to the high strength. The optimal mix developed as Martian Concrete has an unconfined compressive strength of above 50 MPa, which corresponds to a roughly 150 MPa concrete on Mars due to the difference in gravity between Mars and Earth.

The formulated Martian Concrete is then simulated by the Lattice Discrete Particle Model (LDPM), which exhibits excellent ability in modeling the material response under various loading conditions.

Science fiction readers are already familiar with the idea of making what you need once you arrive on a new planet. In his 1951 novel The Moon is Hell, John W. Campbell wrote about marooned members of the second lunar expedition surviving by manufacturing solar cells using lunar materials.

"We have been mining steadily, and making some photocells... Another bank of photocells built, and set up. Our clockwork that keeps the cells facing the sun is overloaded. Rice to the rescue - with an electric torque amplifier...

More recently, William Gibson wrote about lunar concrete for use, not on the Moon itself, but in Earth orbit, in his 1988 novel Mona Lisa Overdrive:

Tessier-Ashpool ascended to high orbit's archipelago... And here they began to build... Ashpool borrowed heavily and the wall of lunar concrete that would be Freeside grew and curved, enclosing its creators.

From A Novel Material for In Situ Construction on Mars: Experiments and Numerical Simulations via the always excellent BLDGBLOG (haven't seen you in a while!).

Scroll down for more stories in the same category. (Story submitted 1/8/2016)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 0 )

Related News Stories - (" Space Tech ")

NASA 'Holoports' Doctor Onto Space Station
Star Trek Voyager Emergency Medical Hologram

Six Ships Are Now Docked At The International Space Station!
It's getting crowded up there!

Vast Cosmic Structures And Spooky Alignments
'This postulates a force-field of partly electromagnetic character, generated by gyromagnetic action within atomic nuclei near the center of the galaxy.' - Poul Anderson, 1953.

Superfast Energetic Electron 'Precipitation' Pelts Our Earth!
'On the three-dimensional map at weather headquarters on the planet Kaider III, the storm was colored orange.' - AE van Vogt, 1943.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

Science Fiction Timeline
1600-1899
1900-1939
1940's   1950's
1960's   1970's
1980's   1990's
2000's   2010's

Current News

Your Martian Dream Home, Made By Fungi
'... it was the cheapest building material known.'

The Dune Ornithopter, Movie And Book
'The wings were at full spread-rest, their delicate metal interleavings extended.'

100X Improvement In DNA Information Storage
'A record that wouldn't get lost and couldn't be destroyed.'

NASA 'Holoports' Doctor Onto Space Station
Star Trek Voyager Emergency Medical Hologram

Should We Train AIs To Imagine A Future Of Horrific Disasters
'LET ME TELL YOU HOW MUCH I'VE COME TO HATE YOU SINCE I BEGAN TO LIVE.'

Mouth Haptics Invented By Frederik Pohl In 1965, CMU Now Has Prototype
'What he got was indeed a kiss. It was disconcerting. No kissing lips were visible.'

Two Towns Linked By Sculpture Portal In Real Time
'I am the Guardian of Forever.'

3D Printed Robotic Tentacles
'... articulate ropes of steel dangling'

Update: Musk Doubles Down On Optimus Prime Humanoid Robot
'I shall introduce myself. I am R. Daneel Olivaw... I am a robot. Were you not told?'

Elon Musk: Production Of Robotaxis In 2024
'How about the steering wheel... I don't need one.'

True Crime Live Podcasting In Fiction
'And loving it too, those millions. Bloodthirsty to the last one of them.'

AI Employment Decision Software Reconsidered By California Lawmakers
'They had screwed up and been blacklisted by Manna. They were back living with their parents or sleeping on the sofa with a friend.'

Six Ships Are Now Docked At The International Space Station!
It's getting crowded up there!

SUCHO Saving Ukraine's Libraries Digitally
'No human mind could ever hope to master even a small portion of what was being received every second, Sam thought, but it would all be there...'

Optimus Prime Tesla Robot Overall Humanoid Software Architecture
'I shall introduce myself. I am R. Daneel Olivaw... I am a robot. Were you not told?'

Vast Cosmic Structures And Spooky Alignments
'This postulates a force-field of partly electromagnetic character, generated by gyromagnetic action within atomic nuclei near the center of the galaxy.'

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.