摘   要：基于高大拱形展厅外观效果要求，通过样板模型试验确定了木纹清水混凝土的最佳配合比；针对高大拱形结构的受力特点及外形，设计研发了弧形龙骨+镀锌方钢的双次龙骨体系、高大拱形结构分层浇筑操作台及下料口，运用了气动振捣器并搭配多种型号振捣棒及竹签辅助作业。结果表明：所设计的工艺模架体系可保证施工的稳定性和安全性；所设计的操作平台及振捣方式可有效解决清水混凝土施工作业平面受限、振捣困难、高坠离析等问题。 Abstract: Based on the appearance requirements of the high arch exhibition hall, the optimal mix proportion of wood grain fair-faced concrete was determined through sample model tests. In response to the stress characteristics and appearance of high arch structures, a double keel system consisting of curved keel and galvanized square steel, a layered pouring operation platform and discharge port for high arch structures were designed and developed. Pneumatic vibrators and various types of vibrators and bamboo sticks were used to assist in the operation. The results indicate that the designed process formwork system can ensure the stability and safety of construction. The designed operating platform and vibration method can effectively solve the problems of limited working plane, difficult vibration, high drop and segregation in the construction of fair-faced concrete.

王云升,尹德波,周生部,等.木纹清水混凝土的制备及其一次浇筑应用研究[J].混凝土与水泥制品,2025(6):81-85. WANG Y S,YIN D B,ZHOU S B,et al.Research on the preparation and one-time pouring application of wood grain fair-faced concrete[J].China Concrete and Cement Products,2025(6):81-85.