The mud bricks are known as the Clay bricks. It is also called adobe.
The mud or clay is a mixture of water and placing into the molds and then allowing dry in the open air. As a binder straw is sometimes within the bricks, it makes them a composite, if the straw does not use the bricks is easy to break, due to the straw the bricks have redistributed the force throughout the bricks and reduced the chances of breakage.
