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Updated: Jun 6, 2025

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
10:27

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

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爆破操作和斜坡稳定性之间的关系:在婆罗洲Indo Bara开采煤矿的一个案例研究

Ganda Marihot Simangunsong1, Simon Heru Prassetyo2, Riadi Simka Pinem3

  • 1Mining Engineering Study Program, Institut Teknologi Bandung, Bandung, Indonesia. ganda@itb.ac.id.

Scientific reports
|December 2, 2024
PubMed
概括

在露天采矿中,板式爆炸可能会导致由于振动而导致斜坡失效. 本研究引入了一种使用Newmark的新方法.

关键词:
和强度降低因子.板爆炸 板爆炸安全的动态因素安全.纽马克的滑动块方法开放式煤矿是开放式的煤矿.签名孔分析的分析

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Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
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Quarrying is the process of extracting stone from a quarry, where specialized techniques are employed to remove large blocks of stone safely and efficiently. This process can involve controlled explosions or more precision-oriented methods such as cutting and drilling.
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Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete.
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