A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ship lock chamber wall mass concrete crack control method
The invention discloses a ship lock chamber wall mass concrete crack control method. The crack control method comprises the following steps: (1) calculating a crack risk coefficient of a ship lock chamber wall based on a multi-field coupling crack evaluation model according to structural characteristics of the ship lock chamber wall, and quantitatively evaluating crack risk influence factors; (2) determining raw material and concrete performance control indexes according to evaluation calculation results; (3) before concrete is poured, temperature and strain sensors are arranged at key positions of a lock chamber wall; (4) controlling the temperature of concrete entering a mold; (5) vibrating the concrete; (6) temperature and strain parameters are monitored in real time at the beginning of concrete pouring; and (7) determining the form removal time of the lock chamber wall and carrying out maintenance. According to the method, the lock chamber wall concrete cracking risk is accurately evaluated by adopting the theoretical model, the lock chamber wall concrete cracking risk is reduced in a mode of combining theory and test and material and construction, the service life of the ship lock structure concrete is prolonged, and the method has important significance in improving the engineering quality.
本发明公开了一种船闸闸室墙大体积混凝土裂缝控制方法。本发明所述裂缝控制方法包括：(1)根据船闸闸室墙结构特征，基于多场耦合开裂评估模型计算其开裂风险系数，定量评估开裂风险影响因素；(2)根据评估计算结果确定原材料及混凝土性能控制指标；(3)混凝土浇筑前，在闸室墙关键位置布置温度及应变传感器；(4)控制混凝土入模温度；(5)混凝土振捣；(6)混凝土浇筑起温度、应变参数实时监测；(7)确定闸室墙拆模时间并进行养护。本发明方法采用理论模型准确评估了闸室墙混凝土开裂风险，通过理论与试验、材料与施工相结合的方式，降低了闸室墙混凝土开裂风险，延长了船闸结构混凝土服役寿命，对提升工程质量具有重要意义。
Ship lock chamber wall mass concrete crack control method
The invention discloses a ship lock chamber wall mass concrete crack control method. The crack control method comprises the following steps: (1) calculating a crack risk coefficient of a ship lock chamber wall based on a multi-field coupling crack evaluation model according to structural characteristics of the ship lock chamber wall, and quantitatively evaluating crack risk influence factors; (2) determining raw material and concrete performance control indexes according to evaluation calculation results; (3) before concrete is poured, temperature and strain sensors are arranged at key positions of a lock chamber wall; (4) controlling the temperature of concrete entering a mold; (5) vibrating the concrete; (6) temperature and strain parameters are monitored in real time at the beginning of concrete pouring; and (7) determining the form removal time of the lock chamber wall and carrying out maintenance. According to the method, the lock chamber wall concrete cracking risk is accurately evaluated by adopting the theoretical model, the lock chamber wall concrete cracking risk is reduced in a mode of combining theory and test and material and construction, the service life of the ship lock structure concrete is prolonged, and the method has important significance in improving the engineering quality.
本发明公开了一种船闸闸室墙大体积混凝土裂缝控制方法。本发明所述裂缝控制方法包括：(1)根据船闸闸室墙结构特征，基于多场耦合开裂评估模型计算其开裂风险系数，定量评估开裂风险影响因素；(2)根据评估计算结果确定原材料及混凝土性能控制指标；(3)混凝土浇筑前，在闸室墙关键位置布置温度及应变传感器；(4)控制混凝土入模温度；(5)混凝土振捣；(6)混凝土浇筑起温度、应变参数实时监测；(7)确定闸室墙拆模时间并进行养护。本发明方法采用理论模型准确评估了闸室墙混凝土开裂风险，通过理论与试验、材料与施工相结合的方式，降低了闸室墙混凝土开裂风险，延长了船闸结构混凝土服役寿命，对提升工程质量具有重要意义。
Ship lock chamber wall mass concrete crack control method
一种船闸闸室墙大体积混凝土裂缝控制方法
PAN LI (author) / JI XUHONG (author) / WANG YUJIANG (author) / LI HUA (author) / RAO ZHIGANG (author) / YAO TING (author) / ZHOU ZECONG (author) / WANG RUI (author) / LI MING (author)
2024-06-18
Patent
Electronic Resource
Chinese
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