论文部分内容阅读
本文根据1971年下半年～1976年,我所对南津关河段剪刀水、泡漩水流及其上游至太平溪库区河段航道整治试验研究成果而作的小结。主要是分析研究了南津关几个泡漩区的成因,据此提出了改善这些付流的整治措施,基本上可满足汛期船队自巷子口沿左右岸边顺利地进入三江和大江的引航道。并对库区航道航行条件的水流流速、水面比降和流态等进行了比较,建坝后大多数的洪水滩,能满足航行条件的要求,仅水田角滩的流速大、流态不良,白洞子滩的比降大。按照滩段的具体情况,提出了较合理的整治方案。当三峡大坝和葛洲坝联合运转时,两坝之间的流速流态,只能在流量30000立米/秒时,可满足航行允许流速3.0米/秒的要求。
This article based on the second half of 1971 ~ 1976, I on the South River off the scissors, bubble whirlpool and the upper reaches of the Taiping River reservoir section of the channel regulation test results made the summary. The main reason is to analyze and study the causes of several bubble swirling zones in Nanjin Pass and to put forward the remedial measures to improve these payflows so as to basically meet the need of the navigation channel that the fleet smoothly enters the rivers of Sanjiang and Dajiang . The comparison of water flow rate, water surface ratio and flow regime in the navigation conditions in the reservoir area led to the satisfaction of navigation conditions for most of the flood beaches after dam construction. Only the flow fields at the paddy fields were large with poor flow regime, White hole beach ratio drops. In accordance with the specific circumstances of the beach, put forward a more reasonable remediation program. When the Three Gorges Dam and Gezhouba joint operation, the flow rate between the two dams, only at a flow rate of 30000 cubic meters / second, to meet the requirements of navigation speed of 3.0 m / s.