铁路增建二线路堑石方控制爆破施工定额浅析

An analysis of construction norms for controlled blasting of cutting stonework for the second track added to existing railway electric line

既有电气化铁路增建二线路堑石方控制爆破施工补充定额,近年来一直是工程造价管理、设计及施工部门普遍关心的问题。笔者就参与施工的内昆铁路引入六盘水枢纽梅花山站石方控制爆破工程为例,重点对既有电气化铁路增建二线路堑石方控制爆破施工方法、施工组织、补充定额进行分析。

The construction norms for controlled blasting of cutting stonework for the second track added to existing railway electric line is always one of the concerns in recent years of the departments of engineering cost management, engineering design and construction. The author, based on the controlled blasting of stonework for Mei Hua Shan Station of Liu Pan Shui Hub introduced into Neijiang - Kunming railway project of which he participated in the construction, makes an analysis mainly on the controlled blasting method, construction organization and additional norms for the cutting stone work of the second track to the existing railway electric line.