1Analysis on the Present Situation of Water Quota in Tianjin and ProspectsLIU Wei, YU Chen, TIAN Hao-ye6-92Analysis on the Variation Characteristics and the Trend of Precipitation in the Haihe River Basin in Recent 10 YearsYU Yang, LI Chun-li, XIA Da-zhong, BAO Xin-ru34-383Study on the Climatic Characteristics of Areal Rainfall and the Inflow Forecast Mod- el of the Upper Reaches of Panjiakou ReservoirWANG Peng-peng, XUE Si-jia, YI Yong-li, ZHAI Wei-dong, ZHANG Hai-ying39-444Study on Water Resources Utilization Efficiency of Liaoning Province based on Data Envelopment AnalysisREN Meng-meng, LIANG Hao, MA Jian58-625Analysis on Tensile and Compressive Characteristics of Concrete Material for Impervious Structure of Water Delivery CanalBAO Yao, ZHANG Xu66-69,996CFD Simulation and Analysis of Dock Drainage SystemHUO Meng-jia, GONG Ming-xin, WANG Guo-liang, WU Hong-lei72-77,947Experimental Research on the Failure of Asphalt Concrete Material in Water Conservancy Project based on Particle Flow AnalysisGAO Yong78-828Research on Non-destructive Testing Technology of Plastic Concrete Impervious Wall in Water Conservancy ProjectGUO Guangming83-859Analysis on Mechanical Properties of Remolded Soil of Flood Control Wall Foundation of Ximipu Pump and Gate ProjectLI Zhi-hong86-9010Discussion on the Construction Technology of Large Volume Concrete in Xixiayuan Underwater Restoration ProjectWU Jin-wei, JIANG Zhi-an, CUI Wei, WANG Yu, WANG Li-xin91-9411Research on Simulation Design and Analysis of Sluice Reinforcement Structure for Danger Release in Water Conservancy Relief Project of Northern JiangsuQI Chun-fang, WANG Xiao, GU Jing, CHEN Chao, MIAO Cheng-mei95-9912Research on the Application of LID in AirportLUO Xu, LIANG Zhi-feng, PENG Jing104-10713System Design of Cloud Platform for the Management and Protection of Intelligent River and LakeHU Yang, TONG Yang, ZHANG Xiao-yan114-119 