Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Large-diameter hyperbolic cooling tower cylinder wall construction method
The invention discloses a large-diameter hyperbolic cooling tower cylinder wall construction method. The large-diameter hyperbolic cooling tower cylinder wall construction method comprises the following steps that a ring base is poured in the outer circumferential direction of a circular bottom plate of a cooling tower foundation pit, and a construction elevator tower frame, a lift car and a construction platform are mounted in a to-be-constructed cooling tower; herringbone columns inclined towards the central axis direction are constructed through a total station and a vertical alignment instrument which are placed in the center of the ring base, and the projection of the circle center of the circumference formed by the circle center connecting lines of the top faces of all the herringbone columns in the vertical direction coincides with the circle center of the bottom plate; the center point of the vertical alignment instrument coincides with the cross center of a disc-shaped receiving target; and a circle of lower ring beam is poured at the tops of the herringbone columns. Cylinder wall concrete of the cooling tower is poured on the lower ring beam in a segmented mode through abent frame till the height of the cylinder wall of the cooling tower is one tenth of the height of the cylinder wall of the cooling tower, and then cylinder wall concrete is poured in sequence in a staged mode through a suspension triangular frame and a formwork till the height of the cylinder wall of the cooling tower is one tenth of the height of the cylinder wall of the cooling tower. By adopting the large-diameter hyperbolic cooling tower cylinder wall construction method, accurate and high-quality construction of the whole cooling tower can be ensured.
本发明公开了一种大直径双曲线冷却塔筒壁施工方法，包括以下步骤：在冷却塔基坑圆形底板外圆周方向浇筑环基，在待施工的冷却塔内安装施工电梯塔架和轿厢及施工平台。利用在环基中心安放的全站仪和垂准仪施工向中轴线方向倾斜的人字柱，全部人字柱的顶面的圆心连线形成的圆周的圆心沿竖直方向的投影与底板的圆心重合；垂准仪的中心点与圆盘形接收靶的十字中心重合；人字柱顶部浇筑一圈下环梁。在所述的下环梁上利用排架分节浇筑冷却塔的筒壁混凝土直至冷却塔的塔壁壁高十分之一位置,接着利用悬挂三角架及模板依次分阶段浇筑筒壁混凝土直至冷却塔的筒壁顶端。采用本方法可以保证整个冷却塔的精准高质量施工。
Large-diameter hyperbolic cooling tower cylinder wall construction method
The invention discloses a large-diameter hyperbolic cooling tower cylinder wall construction method. The large-diameter hyperbolic cooling tower cylinder wall construction method comprises the following steps that a ring base is poured in the outer circumferential direction of a circular bottom plate of a cooling tower foundation pit, and a construction elevator tower frame, a lift car and a construction platform are mounted in a to-be-constructed cooling tower; herringbone columns inclined towards the central axis direction are constructed through a total station and a vertical alignment instrument which are placed in the center of the ring base, and the projection of the circle center of the circumference formed by the circle center connecting lines of the top faces of all the herringbone columns in the vertical direction coincides with the circle center of the bottom plate; the center point of the vertical alignment instrument coincides with the cross center of a disc-shaped receiving target; and a circle of lower ring beam is poured at the tops of the herringbone columns. Cylinder wall concrete of the cooling tower is poured on the lower ring beam in a segmented mode through abent frame till the height of the cylinder wall of the cooling tower is one tenth of the height of the cylinder wall of the cooling tower, and then cylinder wall concrete is poured in sequence in a staged mode through a suspension triangular frame and a formwork till the height of the cylinder wall of the cooling tower is one tenth of the height of the cylinder wall of the cooling tower. By adopting the large-diameter hyperbolic cooling tower cylinder wall construction method, accurate and high-quality construction of the whole cooling tower can be ensured.
本发明公开了一种大直径双曲线冷却塔筒壁施工方法，包括以下步骤：在冷却塔基坑圆形底板外圆周方向浇筑环基，在待施工的冷却塔内安装施工电梯塔架和轿厢及施工平台。利用在环基中心安放的全站仪和垂准仪施工向中轴线方向倾斜的人字柱，全部人字柱的顶面的圆心连线形成的圆周的圆心沿竖直方向的投影与底板的圆心重合；垂准仪的中心点与圆盘形接收靶的十字中心重合；人字柱顶部浇筑一圈下环梁。在所述的下环梁上利用排架分节浇筑冷却塔的筒壁混凝土直至冷却塔的塔壁壁高十分之一位置,接着利用悬挂三角架及模板依次分阶段浇筑筒壁混凝土直至冷却塔的筒壁顶端。采用本方法可以保证整个冷却塔的精准高质量施工。
Large-diameter hyperbolic cooling tower cylinder wall construction method
一种大直径双曲线冷却塔筒壁施工方法
WANG LIMEI (Autor:in) / ZHANG XIQIANG (Autor:in) / ZHANG ZHENYU (Autor:in) / LIU HONGYANG (Autor:in) / GUO JIANDONG (Autor:in)
10.04.2020
Patent
Elektronische Ressource
Chinesisch
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