Reinforced Concrete Blocks

Description
 are craftable building materials. It is one of the most durable building blocks in the game. Destroying a Reinforced Concrete block will yield 25 Cobblestone Rocks. Since A17 they will no longer downgrade to Concrete Blocks, instead will just be destroyed.

A Reinforced Concrete block can be upgraded to Steel Blocks with ten (10) Forged Steel using any construction tool.

Crafting
can be created by upgrading a Concrete Block, this process is a little different than others. When the Concrete Block is upgraded it first goes through a Poured Concrete Blocks phase that then automatically upgrades to in a number of game hours.

Upgrading
A Reinforced Concrete block can be upgraded to a Steel Blocks block with ten (10) Forged Steel using any construction tool.

Required Items
is created by upgrading Concrete Blocks. itself can be further upgraded into Steel Blocks by using one of the following tools and the required items:

Video
The video below shows how to get reinforced concrete walls as of alpha 13, as well as the upgrade path for blocks. If you know how to make cement mix and rebar frames, then just skip to 1:38 of the video for the actual making of reinforced concrete. The beginning was only included to be thorough.

Also

 * Concrete

Stahlbeton Hormigón armado Béton Armé Żelbeton Железобетон