The use of earth construction is well established in energy efficient housing. Mud bricks consist of\nclay, water, and binding material such as rice husks or straw. The advantages of mud brick include\nits low-cost and great thermal behavior. Although mud brick is considered one of the oldest construction\nmaterials, engineers and builders do not have enough information about its mechanical\nproperties. Also there is no accurate design code to follow before construction. This study is devoted\nto enhance the low compressive strength of mud brick without sacrificing its low thermal\nconductivity properties. The experimental program in this research includes the use of different\nadmixtures to increase the compressive strength of the basic mud mix. The experimental results\nshow that the increase of cement ratio, as ingredient to a certain limits, can lead to an optimum\ncompressive strength of the brick.
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