在住宅建筑施工中,经常遇到厂型的钢筋混凝土内隔墙板。这种板厚一般为8厘米左右。由于板在预制过程中,板上面的两个钢筋吊环位置常常不准确,所以,当塔吊把板吊起后,板在空中时常出现歪斜现象(图1),因此,板不能直接在房间内的指定位置就位,只能斜放入房间内,塔吊不 In the construction of residential buildings, the factory-type reinforced concrete inner wall panels are often encountered. This plate thickness is generally about 8 cm. Due to the inaccurate positioning of the two steel rings on the board during the prefabrication process, when the board is lifted by the tower crane, the boards often appear skewed in the air (Figure 1). Therefore, the board cannot be directly in the room. The designated position is in place and can only be placed diagonally in the room. The tower crane is not