查询词典 construction paper

Construction methods of large-span reticulated cylindrical shell are studied in this paper, based on variety of existing spacial structure construction methods. A new type of construction method that the structure is formed integrally by sliding support is bring forward in literature [1]. Construction process run-after computation is conducted by Ansys program, and a new type of hinged joint is obtained.

本文在概括总结了现有的各种空间结构施工方法的基础上，着重研究了大跨度柱面网壳结构的施工技术，对文献[1]提出的新施工方法——柱面网壳支座水平滑移结构整体成形施工法进行了施工全过程的跟踪模拟和结构内力分析，给出了具体施工实施方法，并提出了一种可单自由度转动的新型铰接节点。

In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1～0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.

本文采用三维有限元浮动网格法仿真计算程序，对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析，对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析，在此基础上提出了推荐的施工方案；根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案；玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果，对推荐的施工方案进行了温度场和温度徐变应力仿真计算，并对比分析了两种不同骨料情况下的温度场和温度应力，结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求，且灰岩细骨料优于玄武岩细骨料；计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响，夏季蓄水方案与冬季蓄水方案相比，坝体上游变态混凝土区域最大拉应力小0.1～0.3MPa，其他部位最大拉应力无明显变化，夏季蓄水对坝体上游面混凝土的抗裂有利；根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施，对大坝的设计温控措施进行了综合评价，并提出了该工程的温控措施，对温控设计和优化施工方案具有重要参考价值。

In this paper, the rationality of construction plan of deep excavation and the efficiency of measures in the course of stake dug and water douched back during construction are all proved. Also the problems which should be paid attention to during the period of design and construction are brought forward, which provide profitable experience for the future in similar engineering construction.

论文论证了美荔园深基坑施工方案的合理性，施工中所采用的分批挖桩、压力回灌等措施是有效的，并提出了设计和施工中需要注意的问题，为今后类似工程的建设提供了有益的经验。

According to the features of shallow silty soil foundation and aided by real practice of blasting compaction construction,this paper discusses the principle,construction technology and construction parameter selection of blasting compaction for treatment of soft foundation,which may serve as a reference for construction of similar projects.

针对浅淤泥软基的特点，结合爆破挤淤施工实践，介绍了浅淤泥软基爆破挤淤的原理、施工工艺、施工参数等方法。

According to the construction course and finished dead state of the inclined tower cable-stayed bridge without back stay at Tongling Road in Hefei and combining the modern theory and method of the bridge construction control mentioned in this paper, established a space model by large-scale general finite element software ANSYS. It can obtain some valuable result by emulating analysis of the bridge which is under the construction course and finished dead state. It can provide an instruction for the Tongling Road bridge with the result and construction job site monitoring data.

文中根据合肥市铜陵路预应力混凝土无背索斜塔斜拉桥的具体施工过程和成桥状态，结合文中介绍的现代桥梁施工控制理论和方法，运用大型通用有限元软件ANSYS建立了三维空间模型，对该桥进行了施工过程和成桥状态下的结构仿真模拟分析，将模拟计算结果与施工现场振动频率法索力测试数据和分析结果相结合，为铜陵路无背索斜塔斜拉桥拉索张拉施工提供指导，及时调控，确保了该桥在成桥后线形美观，受力性能满足要求。

Based on the differences between the design value and the survey of the bridge deck elevation in constructing the pre-stressed and so on working condition, the model parameters are identified by ANN, and the beam camber of different sections are given. The results demonstrated that the ANN is efficient and the theoretical results fit well with that of forecasting the beam camber in construction.In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, At the same time, the effecting parameter has collected. The paper build the ANN model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ANN model and introducing research process of the improved BNN. According to them, ANN is applied in the construction control of prestressed concrete continuous bridge. It is successful for used in the No. 4 bridge of Xiangfan bridge over-crossing Hanriver brideg. To predict the construction camber of by ANN method is useful and effective.

本文以大桥成桥线形满足设计要求和成桥内力控制在设计容许范围内为目的，运用现代控制理论的思想，引用神经网络基本原理，详细介绍BP神经网络的研究过程，从而建立预应力混凝土连续梁桥施工预拱度的神经网络模型，并详细讨论了模型的神经网络结点信息的提取，在工程实例的基础上进行了数值计武汉理工大学硕士学位论文算，数值表明，将神经网络应用于预应力混凝土连续梁桥施工控制，获得了满意的结果，在预应力混凝土连续梁桥施工控制技术研究方面，具有方便有效、精度高的优点，具有良好的应用前景。

This paper introduces the general situation of the construction of Baijiapo airshaft in Shaqu Coal Mine,Huajin Coking Coal Limited Company,expounds its construction scheme and equipment in the bedrock section ,and illustrates the construction methods and the rapid construction measures.

介绍了华晋焦煤有限责任公司沙曲矿白家坡风井的工程概况和基岩段施工方案与施工设备，对施工方法和快速施工措施进行了阐述。

This paper concludes the questions in stock information construction of gas stations, expounds the methods of modern stock management , analyses the structure of the stock information construction of gas station, points out the trend of the stock information construction of gas station, and then puts forward the suggestion and way to information construction of gas station.

本文总结了加油站信息建设存在的问题，阐述了现代化库存管理的方法，从信息化建设的核心理念出发，对加油站库存信息化结构进行了分析，指出了未来发展的趋势，并对加油站信息化建设提出了建议和对策。

This paper concludes the questions in stock information construction of gas station s, expounds the methods of modern stock management, analyses the structure of the stock information construction of gas station , points out the trend of the stock information construction of gas station , and then puts forward the suggestion and way to information construction of gas station .

本文总结了加油站信息建设存在的问题，阐述了现代化库存管理的方法，从信息化建设的核心理念出发，对加油站库存信息化结构进行了分析，指出了未来发展的趋势，并对加油站信息化建设提出了建议和对策。

Also it points out that, the paper industry sustainable development realizes the Chinese environment economy sustainable development significant influence, and has been clear about the solution paper industry environment question essential outlet in this foundation;2It systematically inspects the China paper industry sustainable development course, the paper industry sustainable development domain, the mainstream forest pulp and paper integration pattern and the practical significant reed pulp paper integration pattern domains and so on, as well as the paper industry circular economy domain research condition has carried on the system narration;3The paper industry circular economy system is an "economical - resources -environment - society "multiplexed system.

同时指出，造纸工业的可持续发展对实现中国环境经济可持续发展的重大影响，并在此基础上明确了解决造纸工业环境问题的基本出路；2系统地考察了中国造纸工业的可持续发展历程，对造纸工业可持续发展领域，主流的林浆纸一体化模式和具有现实意义的苇浆纸一体化模式等领域，以及造纸工业循环经济领域的研究状况进行了系统的评述与总结；3造纸工业循环经济系统(Paper Industry Circular Economy System，简称PICES)是一个经济—资源—环境—社会复合系统，其各子系统之间及各要素之间的相互作用机理复杂，是一个复杂的巨系统。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？