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Combined supporting structure system for realizing large-span and small-clear-distance tunnel and construction method thereof
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Semi-rigid base material tubular cracking test annular test piece compaction forming device
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Test method for testing ecological water demand relationship between underground water and vegetation
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Solid insulation switch cabinet with interlocking device
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Driver boarding area protection system for full-automatic driving maintenance area of subway train
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Combined limiting device for top of tunnel mid-partition and construction method thereof
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Underground excavation arch cover method interface structure and construction method thereof
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Toothed step surface road bed board under large-gradient condition
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Visual intercom method for train maintenance
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Electric phase-splitting device for contact network
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Toothed step face beam body structure under large-gradient condition
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Distribution parameter extraction method for stressed deformation overhead line multi-conductor system
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High-energy-consumption double-curved-surface seismic reduction and isolation support
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Railway sand wind plane micro-seepage drip irrigation system in desertification region and construction method thereof
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Ballast track with adjustable rigid foundation and sleeper thereof
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Method for mixed planting of shrubs on railway side slope in desertification region
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Groundwater seepage control method for water-rich soft plastic loess tunnel based on drainage of dewatering well
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Method for acquiring change rule of water content of water-rich soft plastic loess tunnel under seepage effect
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Two-section type power transformation and voltage regulation device for taking electricity from contact network
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Voltage stabilizing transformer based on self-adaptive on-load tap-changer
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