Duan Wenfeng is the first one to carry out the measurement and design of the Hayabusa joint wall and the joint reinforced wall. When building the wall, one side of the grass brick is made into a groove, the other side will be raised, and the grass brick is connected with each other to make the brick body bite. During the forming of the masonry wall, a round hole shall be drilled in the middle of the straw brick. When the masonry is finished, the round hole shall be connected up and down. A steel bar shall be inserted into the through round hole, and the upper and lower ends of the steel bar shall be embedded into the ring beam and the ground beam for anchoring.<br>
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