稳定浆液灌浆（GIN）法在糯扎渡水电站的实践  

The Practice of GIN Method in Nuozhadu Hydropower Station

作　　者：李宝全[1] 杜飞翔[2] 

机构地区：[1]中国水电顾问集团昆明勘测设计研究院,云南昆明650051 [2]昆明理工大学,云南昆明650093

出　　处：《云南水电技术》2008年第3期5-8,共4页

摘　　要：糯扎渡水电站坝基花岗岩风化复杂，尤其是右岸的构造软弱岩带附近，岩体完整性破坏严重，对坝基的工程地质处理增加难度。本文从稳定浆液灌浆（GIN）法理念入手，就稳定浆液的配制、灌浆强度（GIN）值的确定，以及现场试验进行介绍，并对试验结果进行分析，坝基花岗岩风化、破碎、软弱岩带岩体完整性和抗变形能力明显提高，透水率显著降低，可供其他工程试验借鉴。It＇s complicated to handle the engineering geology of the dam foundation, due to the complex weathering of dam foundation granite of the Nuozhadu Hydropower Station, particularly severe overall rock mass damage nearby the weak fractured rock zone at the right bank. Based on the concept of the GIN method, the paper presents the preparing for the stable grouting, verifies the grouting intensity number （GIN）, introduces the on-site tests, and analyzes the test results. The weathering and breaking of the dam foundation granite, rock mass integrity and deformation resistance of the weak fractured rock zone are obviously improved, and the permeability rate is reduced remarkably, which can be the experience reference for other works.

关 键 词：稳定浆液灌浆法 实践 糯扎渡水电站 软弱岩带 灌浆强度值(GIN) 

分 类 号：TV223.31[水利工程—水工结构工程] TV543.5