摘要:本文从公路路堤和填筑技术两个方面来进行试验设计,又阐述和分析了冰水堆积物相关的公路的路堤填料设计问题。 关键词:公路路堤;填筑技术;分析 Abstract: This article does the test and design from the highway embankment and reclamation technology these two aspects, and
Effects of the mischmetal addition in range of 0.4 wt.% to 1.7 wt.% on the microstructure and mechanical properties of die-cast magnesium AZ91D were investigate
摘要:随着煤炭资源的大量开采,开采诱发的灾害问题也越来越严重。主要有地表塌陷、地裂缝、山体滑坡、崩塌、泥石流等,对耕地、水资源、建筑物和基础设施造成破坏。近年来,煤炭资源的大量开采诱发的地质灾害及矿山地质环境恶化,已严重影响了我国经济的可持续发展。 关键词:煤田开采;环境灾害;防范措施 Abstract: with the mining of coal resources, mining in