浅谈西宁市实现路灯微机智能监控的必要性

随着西宁市城市建设的不断发展，城市照明已成为体现城市形象的综合市政工程。文章叙述了西宁市目前路灯控制“以分散时控方式”为主的种种弊端，提出了路灯智能监控的必要性，并阐述了智能监控的功能和系统构成，路灯微机智能监控技术的实施有利于城市监管。     

防渗渠道的防冻胀措施

介绍了哈尔滨市防渗渠道的衬砌型式；分析了防渗渠道的破坏原因，并提出了抗冻胀措施。     

北安市的节水灌溉与效益分析

北安市是严重缺水区，水资源短缺，水源工程少，旱灾是农业发展的主要制约因素。修建水源工程，推广节水灌溉是北安农业可持续发展的出路。     

鸡西市地表水资源量计算与分析

对鸡西市降水量、蒸发量、径流量的多年平均值及不同频率的降水量、径流量进行了分析计算。     

沈阳市建成区树种结构分析

通过对沈阳市建成区城市树木的调查分析发现。沈阳市的各土地利用类型中的树木种类和数量分布不均匀，其中。被调查的2．56块样地中每公顷树种≤5种的样地有113块。占总调查样地的44．14％；每公顷≤lO株的样地共43块．占总样地的16．80％。利用树种多度重要性排序及累积贡献率获得了不同土地类型中的主要树种。多个生物多样性指数表明．公园性质绿地的树种多样性最高．企事业单位用地与居住区用地次之．街道类用地较低。而商业金融用地最低。在此基础上对沈阳市的树种发展提出建议。     

溧阳市城市空间形态设计引导

通过对溧阳市城市空间形态发展的历史演变及存在问题进行分析,以及根据溧阳市城市空间形态特点及自然景观特质,对溧阳城市空间形态设计进行定位,并确定溧阳城市空间形态设计引导的框架、设计引导原则以及设计要点和措施。     

寒地城市街旁绿地植物景观的设计研究

寒地城市具有特殊的气候特点和人文特色,植物景观在寒地城市街旁绿地设计过程中具有重要的作用.本文对寒地城市、植物景观等相关概念进行论述,并提出了寒地城市街旁绿地植物景观的规划设计原则与要点,以期克服寒冷气候对园林造景的不利影响,充分挖掘寒地城市的特色,并将其体现在街旁绿地的植物景观设计过程中.     

Research on vertical deformation during construction of Shanghai World Financial Center

Shanghai World Financial Center is one of the highest buildings in the world, of which cumulation of vertical deformation during construction is significant and worth investigating. A refined finite element model was developed to conduct full-process analysis of construction of super-high rise buildings like Shanghai World Financial Center, in which the discrete analysis method of time-varying structures and age-adjusted effective modulus method were both used. In the finite element analysis, the whole construction process was divided into a series of stages, each with a structural system that is a part of the whole structure and with different material parameters, geometrical parameters, loading and boundary conditions. The whole construction process of Shanghai World Financial Center in consideration of creep of concrete was simulated successfully by using the finite element model and the analytical method developed. With respect to different construction stage, the total vertical deformation, inter-floor compression deformation and the relative deformation between the outer frame and the core-wall were obtained through the analysis. The comparison between the results from the stage-wise full-process analysis of construction with and without considering the creep and the results from the conventional analysis of the whole building under the total load from all self-weight and construction applied to the structure "in one go" shows that the cumulative effect on the deformation from the construction process and the creep effect need to be considered in analyzing the deformation of Shanghai World Financial Center, and the super-high rise buildings suchlike. Finally, the simulation results correlate well with the monitoring results-a proof of the feasibility and the validity of this paper.     

北安市地下水资源状况与保护对策

概述了北安市地下水的分类、储量、区域分布与地下水水质状况;同时,提出地下水资源开发利用与保护对策.     

城市变电所与电缆接口设计常见问题与对策

城网建设与改造的特点之一是变电所的小型化和采用电缆出线。本文对近几年城网建设和改造中遇到的变电和送电专业配合、变电所和电缆出线建设不同期、变电所周边现状和未来规划不一致、地下物和规划勘察资料不符、市政道路建设时已预埋进所过路管线、相序核查不准而造成的六种设计接口问题进行了分析,并逐一提出了解决办法。