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2 results about "Ravine" patented technology
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A ravine is a landform that is narrower than a canyon and is often the product of streamcutting erosion. Ravines are typically classified as larger in scale than gullies, although smaller than valleys.
A steep fold rock wall cutting single side bridge road method excavation construction method
ActiveCN115652714BEasy and quick passReduce overmineClimate change adaptationTemporary pavingsStructural engineeringDitch
This invention belongs to the field of water conservancy and hydropower construction technology, specifically providing a construction method for excavating a single-sided bridge across a steep folded rock face road cut. The method includes the following steps: measuring and setting out according to design drawings; fabricating steel beams and installing them at the target location in the ditch; using machinery to excavate the slope along the designed route; excavating the slope overburden and upper strongly weathered rock; excavating the lower weakly weathered rock of the pre-splitted slope, using stepped blasting for rock excavation in stages; and completing the excavation of the single-sided bridge across a steep folded rock face road cut after inspection and acceptance. This invention solves the problems of large excavation volume, difficulty for machinery to cross gullies, collapse of upper deposits, and significant construction hazards associated with existing mechanical + blasting methods for excavating steep folded rock faces. This invention features minimal over-excavation, shorter construction period, guaranteed quality, safety and reliability, and reduced ecological impact.
Owner:西北水利水电工程有限责任公司
A collapsible loess area gully high fill foundation deformation monitoring method and system
The application provides a collapsible loess area gully high fill foundation deformation monitoring method and system, relates to the technical field of foundation deformation monitoring, and the method comprises the following steps: acquiring foundation parameter data; acquiring multi-source monitoring data at multiple monitoring moments; acquiring foundation settlement rules according to the foundation parameter data; acquiring fusion settlement prediction values according to the multi-source monitoring data and the foundation settlement rules; acquiring a settlement health index according to the foundation parameter data, the multi-source monitoring data and the fusion settlement prediction values; and performing foundation deformation monitoring according to the settlement health index. According to the application, the accuracy of collapsible loess area gully high fill foundation deformation monitoring is improved.
Owner:LANZHOU JIAOTONG UNIV