About Indonesia excavation and rock drill modification manual
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6 FAQs about [Indonesia excavation and rock drill modification manual]
Does rock mass influence the excavation method and tunnel support system?
The type and quality of the rock mass influence all aspects of the tunnel excavation method and support system. Consequently, thorough research on the engineering geological characteristics of the rock mass is required. The purpose of this study is to propose an excavation strategy and tunnel support system for the Riam Kiwa Dam in Indonesia.
Can rock mass classification systems be used to determine excavation method?
This person is not on ResearchGate, or hasn't claimed this research yet. This paper presents the implementation of rock mass classification systems to determine the excavation method and the support design of the Spillway Tunnel, Sidan Dam, Bali, Indonesia.
Which excavation method was proposed by RMR and JSCE?
The top heading with benching (1-3 m advance in top heading) was the proposed excavation method by RMR and JSCE. Each classification system advised the combination of reinforced shotcrete and rock bolt for the primary tunnel support with varying shotcrete thickness (30-400 mm), rock bolt length (2.6-6 m), and rock bolt spacing (1-2.5 m).
Which excavation methods are recommended?
Meanwhile, according to the JSCE method, the recommended excavation techniques are the double bench method for the D I rock category and the full-face method with an auxiliary bench cut 2-4 m for the C II rock category, with the support systems rock bolt, shotcrete, steel ribs, and lining.
What is the best excavation technique for rukoh dam suppletion tunnel?
However, in the Detail Engineering Design of the Rukoh Dam Suppletion Tunnel, there was no study of the most optimal excavation technique in the construction phase. This study aimed to assess the efficiency of excavation capabilities based on engineering geology conditions.
How to determine the tunnel excavation method at a research site?
Determining the tunnel excavation method at the research site consisted of two fundamental parameters. The first parameter used the Rock Mass Rating (RMR) value as a reference in selecting excavation stages.
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