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A platform for research: civil engineering, architecture and urbanism
Construction method for controlling flatness and crack prevention of ultra-large-area terrace
The invention discloses an ultra-large area terrace flatness and anti-cracking control construction method which comprises the steps of base layer treatment, concrete cushion layer pouring, waterproof and waterproof protection layer binding, side formwork support and dowel bar arrangement, concrete pouring and forming, terrace joint cutting, terrace surface layer construction, ground deformation joint construction and the like. The construction method comprises the steps of base layer treatment, concrete cushion layer pouring, waterproof and waterproof protection layer binding, reinforcing mesh binding, side formwork support and dowel bar arrangement, concrete pouring and forming, terrace joint cutting, terrace surface layer construction, ground deformation joint construction and the like. According to the method, the construction thought of a skip warehouse method and false joints is adopted, according to the pouring sequence, even-number plates are poured firstly, odd-number plates are poured later, and lattice joints are cut after ground construction is completed. Due to the arrangement of the dividing joints, the adverse effect of temperature stress caused by temperature change or concrete hardening shrinkage on the concrete terrace structure is eliminated, and meanwhile differential settlement of the two adjacent plates after the steel bars are broken is also avoided. And compared with conventional manual paving and leveling construction, the construction thought not only can save labor force, but also can save construction time. The method has a very strong demonstration effect on large-area floor construction of a large-scale industrial factory building.
本发明公开了一种超大面积地坪平整度与防裂控制施工方法，包括基层处理、浇筑混凝土垫层、防水及防水保护层、绑扎钢筋网片、设置侧模支撑及传力杆、混凝土浇筑和成型、地坪切缝、地坪面层施工和地面变形缝施工等步骤，本方法采用了跳仓法+假缝的施工思路，浇筑的顺序按先浇排列顺序为偶数的板，后浇奇数顺序的板，并且在地面施工完毕后切分格缝。分格缝的设置消除了因温度变化或混凝土硬化收缩造成的温度应力对混凝土地坪结构造成的不利影响，同时也避免了钢筋断开后相邻两块板产生不均匀沉降。且此种施工思路相较于常规人工摊铺、找平施工相比，不仅能节省劳动力，同时节约施工时间。对大型工业厂房大面积地坪施工有很强的示范作用。
Construction method for controlling flatness and crack prevention of ultra-large-area terrace
The invention discloses an ultra-large area terrace flatness and anti-cracking control construction method which comprises the steps of base layer treatment, concrete cushion layer pouring, waterproof and waterproof protection layer binding, side formwork support and dowel bar arrangement, concrete pouring and forming, terrace joint cutting, terrace surface layer construction, ground deformation joint construction and the like. The construction method comprises the steps of base layer treatment, concrete cushion layer pouring, waterproof and waterproof protection layer binding, reinforcing mesh binding, side formwork support and dowel bar arrangement, concrete pouring and forming, terrace joint cutting, terrace surface layer construction, ground deformation joint construction and the like. According to the method, the construction thought of a skip warehouse method and false joints is adopted, according to the pouring sequence, even-number plates are poured firstly, odd-number plates are poured later, and lattice joints are cut after ground construction is completed. Due to the arrangement of the dividing joints, the adverse effect of temperature stress caused by temperature change or concrete hardening shrinkage on the concrete terrace structure is eliminated, and meanwhile differential settlement of the two adjacent plates after the steel bars are broken is also avoided. And compared with conventional manual paving and leveling construction, the construction thought not only can save labor force, but also can save construction time. The method has a very strong demonstration effect on large-area floor construction of a large-scale industrial factory building.
本发明公开了一种超大面积地坪平整度与防裂控制施工方法，包括基层处理、浇筑混凝土垫层、防水及防水保护层、绑扎钢筋网片、设置侧模支撑及传力杆、混凝土浇筑和成型、地坪切缝、地坪面层施工和地面变形缝施工等步骤，本方法采用了跳仓法+假缝的施工思路，浇筑的顺序按先浇排列顺序为偶数的板，后浇奇数顺序的板，并且在地面施工完毕后切分格缝。分格缝的设置消除了因温度变化或混凝土硬化收缩造成的温度应力对混凝土地坪结构造成的不利影响，同时也避免了钢筋断开后相邻两块板产生不均匀沉降。且此种施工思路相较于常规人工摊铺、找平施工相比，不仅能节省劳动力，同时节约施工时间。对大型工业厂房大面积地坪施工有很强的示范作用。
Construction method for controlling flatness and crack prevention of ultra-large-area terrace
一种超大面积地坪平整度与防裂控制施工方法
CHU HAIWEI (author) / LI BO (author) / WANG KAI (author) / GAO YU (author) / PEI XIAOLEI (author) / YANG PEIDA (author)
2023-03-07
Patent
Electronic Resource
Chinese
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