Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Precise slope-making seamless construction method for ultra-large concrete flat roof structure
The invention discloses a precise slope-making seamless construction method for an ultra-large concrete flat roof structure. The precise slope-making seamless construction method comprises the following steps of one-time precise slope-making forming of the roof structure, construction section division of a seamless construction method, construction sequence making, concrete preparation, construction joint treatment, construction joint supporting system construction, concrete pouring, smoothing and maintenance and formwork support dismounting. The method has the advantages that the structural concrete is formed through one-time slope making, labor is saved, and many water leakage problems in the later period are avoided; seamless method construction is conducted according to the principlesof partitioning planning, spacer block pouring and integral forming, early stress of concrete is released, constraint of the concrete is fully utilized to reduce strain, a large amount of subsequent work of a post-pouring belt is reduced, and the construction period is shortened; the construction joint support adopts a socket and spigot joint type ring buckle scaffold independent support system, so that the mounting and dismounting of other template support systems are not influenced, and the construction quality of the construction joint is ensured; and concrete is cured in a small self-control water absorption and supply curing mode, cracking of the concrete is prevented, cost is reduced, and the construction period is shortened.
本发明公开了超大混凝土平屋面结构精准找坡无缝施工方法，包括以下步骤：屋面结构一次性精准找坡成型、无缝法施工施工段划分、制定施工顺序、混凝土准备、施工缝处理、施工缝支撑体系、混凝土浇筑、收光与养护、模板支架拆除。本发明的优点在于：结构混凝土一次找坡成形，节省人工，避免后期诸多漏水问题；无缝法施工，按照分块规划、隔块浇筑、整体成型的原则施工，释放混凝土早期应力，充分利用混凝土的约束减小应变，减少后浇带大量后续工作，节省工期；施工缝支撑采用承插式盘扣脚手架独立支撑体系，不影响其他模板支撑体系的安装及拆除，确保施工缝的施工质量；通过小型自控吸水供水养护方式养护混凝土，防止混凝土开裂，降低成本，缩短工期。
Precise slope-making seamless construction method for ultra-large concrete flat roof structure
The invention discloses a precise slope-making seamless construction method for an ultra-large concrete flat roof structure. The precise slope-making seamless construction method comprises the following steps of one-time precise slope-making forming of the roof structure, construction section division of a seamless construction method, construction sequence making, concrete preparation, construction joint treatment, construction joint supporting system construction, concrete pouring, smoothing and maintenance and formwork support dismounting. The method has the advantages that the structural concrete is formed through one-time slope making, labor is saved, and many water leakage problems in the later period are avoided; seamless method construction is conducted according to the principlesof partitioning planning, spacer block pouring and integral forming, early stress of concrete is released, constraint of the concrete is fully utilized to reduce strain, a large amount of subsequent work of a post-pouring belt is reduced, and the construction period is shortened; the construction joint support adopts a socket and spigot joint type ring buckle scaffold independent support system, so that the mounting and dismounting of other template support systems are not influenced, and the construction quality of the construction joint is ensured; and concrete is cured in a small self-control water absorption and supply curing mode, cracking of the concrete is prevented, cost is reduced, and the construction period is shortened.
本发明公开了超大混凝土平屋面结构精准找坡无缝施工方法，包括以下步骤：屋面结构一次性精准找坡成型、无缝法施工施工段划分、制定施工顺序、混凝土准备、施工缝处理、施工缝支撑体系、混凝土浇筑、收光与养护、模板支架拆除。本发明的优点在于：结构混凝土一次找坡成形，节省人工，避免后期诸多漏水问题；无缝法施工，按照分块规划、隔块浇筑、整体成型的原则施工，释放混凝土早期应力，充分利用混凝土的约束减小应变，减少后浇带大量后续工作，节省工期；施工缝支撑采用承插式盘扣脚手架独立支撑体系，不影响其他模板支撑体系的安装及拆除，确保施工缝的施工质量；通过小型自控吸水供水养护方式养护混凝土，防止混凝土开裂，降低成本，缩短工期。
Precise slope-making seamless construction method for ultra-large concrete flat roof structure
超大混凝土平屋面结构精准找坡无缝施工方法
SONG XIAOZHONG (Autor:in) / JIANG LIN (Autor:in) / ZHU YILIN (Autor:in) / JIANG SHENG (Autor:in) / JIANG TINGTING (Autor:in)
26.02.2021
Patent
Elektronische Ressource
Chinesisch
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