沙特阿拉伯王国大部分地区属热带沙漠气候,夏季炎热干燥,最高气温可达50℃以上,现浇混凝土因气温高、水分蒸发快易产生收缩裂缝。介绍沙特南北铁路在夏季高温条件下如何确保现浇混凝土施工质量的控制措施,通过有效控制原材料温度、设备温度及环境温度,达到延缓混凝土凝结时间、确保混凝土泵送和浇筑质量的目的。 Most of the Kingdom of Saudi Arabia is a tropical desert climate, hot and humid in summer, the maximum temperature up to 50 ℃ above, cast-in-place concrete due to high temperatures, water evaporation prone to shrinkage cracks. This paper introduces how to ensure the construction quality of cast - in - place concrete under the high temperature in summer in North and South of Saudi Arabia. By controlling the raw material temperature, equipment temperature and ambient temperature effectively, it can delay the setting time of concrete and ensure the quality of concrete pumping and pouring.