After running for 30 years, carbonization, cracks and corrosion of steel have occurred on the surface of the concrete of Sanhe navigation lock which was built in 1970.
三河船闸建于1970年，经过三十多年的运行，混凝土表面出现碳化、裂缝和钢筋外露锈蚀。
According to the result of 15 years monitoring, the deformation, seepage and stress-strain of the high slope and the navigation lock during construction and operation periods are analyzed.
根据15年的监测成果，对施工及运行期高边坡和船闸的变形、渗流和应力应变等进行分析。
The paper studies the influence of solid mass and permeable structure of navigation lock guidance structure to navigation flow condition based on integral model test of power and navigation complex.
本文基于某电航枢纽整体模型试验，研究船闸导航建筑物实体和透空结构型式对通航水流条件的影响。
Temperature control measures for side wall concrete construction in the sixth lock head of the permanent navigation locks at the Three Gorges Project during hot season are briefly given in the paper.
简述了三峡工程永久船闸六闸首边墙混凝土高温季节施工的温控措施。
Tte phenomena of lock-lose occur frequently in GPS navigation based on carrier phases.
采用载波相位观测的GPS导航模式中，导航信号失锁的现象经常发生。
In the navigation buildings of high water head, the cost of ship lift is generally lower than ship lock.
在高水头的通航建筑物中，升船机的造价通常低于船闸。
The ship lock ranks Grade III and has the navigation standard of four kiloton ship in one uplifting.
船闸为Ⅲ级，通航标准为一顶四艘千吨级。
The ship lock ranks Grade III and has the navigation standard of four kiloton ship in one uplifting.
船闸为Ⅲ级，通航标准为一顶四艘千吨级。
应用推荐