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Risk Identification in the Chilean Tunneling Industry

机译:智利隧道行业风险识别

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摘要

This article aims to identify the main risk factors that are threats to meet the objectives of tunnel construction projects by using the Chilean construction industry as a case study and proposes a methodology to evaluate risk factors in this type of project. Surveys were used to generate probability and severity indexes to rank 36 risk factors. Data were collected from 14 companies that are members of the International Tunneling and Underground Space Association. The results indicate that the main risk factors that hinder achieving the tunneling construction project objectives are (1) inaccurate cost estimation or lack of detail in budget preparation, (2) unexpected geological conditions, (3) inaccurate deadline estimation or insufficient breakdown of the project schedule, (4) frequent malfunction of construction equipment, (5) excessive delays in approval processes by government entities, and (6) unexpected soil conditions and water table. Furthermore, a comprehensive literature review is provided to compare these results to international perspectives to confirm the existence of risks inherent to tunnel construction projects. This article concludes with revisiting the risk factors, which are common for the construction industry in general.
机译:本文旨在确定智利建筑工业作为案例研究的威胁危害危害隧道建设项目的威胁,并提出了一种评估这种项目风险因素的方法。调查用于产生概率和严重指标,以排名36个风险因素。从14家公司收集数据,该公司是国际隧道和地下空间协会的成员。结果表明,妨碍实现隧道建设项目目标的主要风险因素是(1)预算准备中不准确的成本估算或缺乏细节,(2)意外地质条件,(3)项目的截止日期估计或项目崩溃不足附表,(4)建筑设备频繁故障,(5)政府实体批准过程的过度延误,(6)意外的土壤条件和水位。此外,提供了全面的文献综述,以将这些结果与国际观点进行比较,以确认存在隧道建设项目固有的风险。本文核准了重新审视危险因素,这是一般的建筑业常见的。

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