narrower concept butt joint design Concept capping Concept composite action Concept concrete cover Concept concrete surface Concept construction joint Concept fabric reinforcement Concept fibre reinforcement Concept haunching concrete Concept joint Concept large panel construction Concept overlapping joint Concept pin joint Concept plastic reinforcement Concept pressure surge Concept reinforcement junction Concept shotcrete Concept shotcrete construction Concept suddenly applied tension Concept support Concept vibrating Concept