【摘 要】
：
一、乌卡斯砼防渗墙概述:一九五八年以前,对浅层复盖层采用开挖及回填粘土截水槽的处理办法,对复盖层埋藏较深的则采用水平防渗。一九五八年后创造了一些垂直防渗的措施如湖
论文部分内容阅读
一、乌卡斯砼防渗墙概述:一九五八年以前,对浅层复盖层采用开挖及回填粘土截水槽的处理办法,对复盖层埋藏较深的则采用水平防渗。一九五八年后创造了一些垂直防渗的措施如湖北明山水库学习武汉长江大桥的管柱桩方法创造了连锁
First, the outline of the wall of the concrete waterproofing wall of Uccas: Before 1958, the method of excavation and backfill of clay enclosed aqueduct was adopted for the shallow cover, and the horizontal seepage prevention was used for the deep buried layer of the covering layer. Some vertical anti-seepage measures were created after 1958. For example, the pipe string method of studying the Wuhan Yangtze River Bridge at the Ming Shan Reservoir in Hubei Province has created a chain
其他文献
由北爱尔兰工业大学等单位研制成功的可弯曲的混凝土,可拿在手上任意弯曲,强度不变,比普遍混凝土轻四倍多,并具有绝缘性能。弯曲混凝土是选用一种由聚丙烯编制材料作为衬布,
遥感技术综合了空间、电子、光学、计算机等学科的最新成就,正在被广泛应用于各个专业领域。黄委会经过八年探索与实践,黄河遥感应用研究工作取得了可喜的进展。初步形成了
Clearing up sediment and regolith on the foundation of the dam in the Three Gorges of the Yangtze River in 1999, riverbed were exposed. On the basis of weatheri
柴河水库电站安装两台机组,总容量6400KW。发电机型号为TS235/36—20,P_e=3200KW,U_e=6.3KV,I_e=365A,cosφ_e=0.8,电站及电力系绕单线图如图一。本电站为季节性电站,每年只
2014年9月22日晚,吉林省第七届大学生戏剧节的开幕大戏——《游戏》首演,它描写了五个即将走出大学校园的90后大学生的故事,通过展现青春与爱情、财富、门第、权势之间的激烈
请下载后查看，本文暂不支持在线获取查看简介。
Please download to view, this article does not support online access to view profile.
Extensional basins include mainly grabens and half grabens displaced along a lower detachment. Based on area balance theory, there is a linear relationship betw
Results of Mossbauer spectroscopy and ICP-AES measurement revealed a special distribution pattern of iron species in four crossing profiles of the Tertiary For
A fossil theropod dinosaur discovered in China is thought to be vegetarian, in sharp contrast with its meat-eating cousins, according to research published in
李少春传承谭、余一脉,是京剧生行中颇具代表性的艺术家。李少春先生的演唱艺术,有着强烈的悲剧意味,形成了独特的风格。京剧最主要的表现形式——演唱艺术中的悲剧意味,是京