نتایج جستجو برای: active grouted rockbolts
تعداد نتایج: 440032 فیلتر نتایج به سال:
Slope reinforcement and the use of structural pile elements can be an effective slope remediation alternative when conventional remediation practices (e.g., improved drainage) fail to consider the causal factors leading to slope instability (e.g., strength loss due to weathering). An experimental research program was aimed at developing a rapid, cost-effective, and simple remediation system tha...
Rehabilitation of a watermain by grouted sliplining is usually carried out when the existing pipe is only partially deteriorated. Although designs that neglect the structural contributions from the existing pipe and the grout are generally conservative, the performance of the rehabilitated pipe needs to be better understood for effective design and management of buried water pipes. Presented in...
The offshore wind energy market is developing fast. Turbines, substations and offshore sites are increasing in size and they are in more challenging environments. Therefore, the industry requires vigilance in maintaining standards to keep pace with technology developments, enabling safe deployment and long term operation. Certification of wind farms, wind turbines and their components is state-...
A pressure-grouted helical pile (PGHP) is a stiffened installed by using the simultaneous drilling and grouting technique. The formation of soil-cement column surrounded influenced multiple installation parameters, including helix number, size, speed. series small-scale model tests was carried out in clay to investigate influence parameters on axial behavior PGHP load transfer mechanism. piles ...
In order to study the damage mechanism of fissure-grouted rocks in abandoned mine pumped storage, uniaxial compression tests were conducted using rock specimens after dry and wet cycles. Additionally, acoustic emission sensors used track specimens. The results demonstrate a negative correlation between peak strength elastic modulus linear decrease wave velocity mechanical characteristics fractu...
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