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南湾水库溢洪道闸室底板闸墩为大体积混凝土,且在冬季施工,施工过程中温度场和应力场复杂,如果措施不当极有可能产生裂缝。施工过程中通过几种措施的综合运用,有效地避免了混凝土裂缝的产生,为水闸大体积混凝土工程的温控及防裂措施提供了很好的参考价值。
Nanwan reservoir spillway gate chamber floor pier is a mass concrete, and in winter construction, the construction process of temperature and stress fields are complex, if improper measures are likely to produce cracks. The comprehensive utilization of several measures in the construction process effectively avoided the occurrence of concrete cracks and provided a good reference value for the temperature control and crack prevention measures of sluice mass concrete works.