龙滩水电工程施工设备系统布置与使用综述

An Overview on Layout and Utilization of Construction Equipment System for Longtan Hydropower Project

龙滩水电站大坝为碾压混凝土重力坝,大坝混凝土总量约736万m3,其中碾压混凝土约480万m3。因工程混凝土总量大,混凝土持续浇筑高峰时间长(约10个月),混凝土持续浇筑强度高(最高年浇筑强度为340万m3)的特点,与大坝浇筑相关的砂石骨料加工系统、混凝土生产系统、混凝土垂直和水平运输系统的规模和生产能力都居在建电站的前列,为保证上述系统的稳定生产,龙滩水电开发有限公司采购了一批具有世界先进水平的设备与之配套。文章对上述系统设备的布置进行了详细的介绍,并对运行中发现的问题和采取的措施也进行了阐述,其经验对今后大型水电站的施工有一定的借鉴作用。

The dam for Longtan Hydropower Project is a RCC gravity dam. The total amount of concrete used for the dam is 7,360,000m^3, among which there is 4,800,000m^3 of RCC. Given the characteristics of large amount of concrete to be used, long peak hours of concrete pouring （about ten months）, and high intensity of continuous concrete pouring （the maximum annual pouring intensity is 3,400,000m^3）, the scales and productivities of artificial aggregate processing system, concrete production system, as well as vertical and horizontal concrete conveyance system related to dam pouring take the lead in a number of hydropower projects under construction. In order to ensure the stable production of aforementioned systems, Longtan Hydropower Development Co., Ltd purchases a number of internationally advanced equipments configured with these systems. This paper presents a detailed account of aforementioned systems and equipments as well as problems found and measures adopted in operation, whose experiences may be referred to for large-scale hydropower station construction in the future.