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In the construction of vertical shafts, what are the installation standards for support structures and guardrails?
In the construction of vertical shafts, what are the installation standards for support structures and guardrails?
2025-07-18
During the shaft construction process, the installation standards of the sup
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How are the standards for rock hardness classification established?
How are the standards for rock hardness classification established?
2025-07-17
Shield Tunneling Machine is a heavy mechanical equipment used for tunneling.
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What is the difference between soft rock and hard rock? What impact do soft rock and hard rock have on engineering construction?
What is the difference between soft rock and hard rock? What impact do soft rock and hard rock have on engineering construction?
2025-07-16
Soft rock and hard rock are two common types of rocks in geology. They have
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How are the standards for rock hardness classification established?
How are the standards for rock hardness classification established?
2025-07-15
The standards for rock hardness classification are usually based on a variet
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What is a Shield Tunnel Boring Machine? Introduction to the two types of Shield Tunnel Boring Machines
What is a Shield Tunnel Boring Machine? Introduction to the two types of Shield Tunnel Boring Machines
2025-07-14
What is a shield tunnel boring machine? A shield tunneling machine is an adv
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What is open cut method? Characteristics, advantages and limitations of open cut method
What is open cut method? Characteristics, advantages and limitations of open cut method
2025-07-11
Open cut method is a common underground engineering construction method. The
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What are the advantages and disadvantages of drilling and blasting tunneling equipment when working?
What are the advantages and disadvantages of drilling and blasting tunneling equipment when working?
2025-07-10
Drilling and blasting is a traditional rock excavation method that uses a dr
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Classification of three special types of geological faults, as well as the characteristics and causes of these three types of faults
Classification of three special types of geological faults, as well as the characteristics and causes of these three types of faults
2025-07-09
In geological structures, special faults can also be divided into three cate
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Characteristics, working principles, application scenarios and development trends of open tunnel boring machines
Characteristics, working principles, application scenarios and development trends of open tunnel boring machines
2025-07-09
敞开式掘进机是一种广泛应用于矿山、隧道和地下工程中的机械设备，它主要用于岩石和土壤的开挖作业。与封闭式掘进机（如盾构机）相比，敞开式掘进机在操作过程中不
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