城市综合管沟设计的相关问题研究

发布时间：2018-06-13 08:39

本文选题：综合管沟 + 数学模型　；参考：《西安建筑科技大学》2013年硕士论文

【摘要】：城市中的给水、排水、电力、电信、燃气等地下市政管线工程，俗称生命线工程，它是一个城市的毛细血管，是信息、能源和物质的载体，并将它们输送到千家万户，同时也是生产和生活高效率，高质量运转的保证[1]。越来越多的管线敷设加剧了城市地下空间的紧张，纵横交错的地下管线，给城市改建、城市扩建以及城市地下轨道交通的发展带来了极大的不便，传统的市政管线敷设方式已经不能满足城市发展的要求。综合管沟是一种现代化、集约化的基础设施，迄今为止，综合管沟已经有一百七十多年的历史了，但在我国仍属于新兴事物。欧美发达国家城市发展建设的经验表明，建设综合管沟是解决城市地下管线难题的有效途径，也是市政管线敷设发展的趋势。综合管沟建设设计关系到市政管线的安全性，可靠性和使用寿命等，以往的综合管沟设计主要依靠设计者的经验进行设计，，地区差别大，设计成果缺乏科学的理论分析和计算。本文在调查了大量国内外综合管沟建设现状和布置方案的基础上，通过分析综合管沟的特点和建设影响因素，提出了综合管沟的管线收容原则，根据每种市政管线的特点，深入分析了收容管线之间的相容性问题，并提出解决方案。针对综合管沟内管线如何布置的核心问题，本文根据实际情况，对综合管沟截面作了了简化，建立了相应的数学模型，并利用遗传算法的数学思想，对模型求解。最后结合实例对数学模型和算法进行仿真分析。为了验证算法的正确性，本文使用了MATLAB软件对数据进行仿真分析。（1）本文首先对综合管沟的建设因素进行了研究分析，主要从管沟的建设符合城市发展规划的角度进行阐述，包括与地上建构筑物的关系、地下管线的关系、城市轨道交通及时间的规划。（2）本文对各类管线的特性进行分析，然后对其纳入综合管沟的可行性进行了研究。提出了给水管、电力电缆、通信电缆、热力管线以及燃气管构成纳入综合管沟的基本管线，建议重力流雨水管线和污水管不纳入综合管沟等观点，并对可纳入综合管沟的各类管线相容性进行了研究分析。（3）本文根据国内已建的综合管沟的截面形状大部分采用矩形截面的情况，假设所建管沟截面为矩形，考虑到管沟所收容的5种管线内介质的物理化学性质及压力压强等因素，制定了每种管线的影响范围，并建立了数学模型，包括目标函数和约束条件。（4）最后采用遗传算法解决多目标的数学思想，以Matlab软件为计算平台，结合综合管沟内附属设施，得出合理科学的布置方案，并用实例进行分析验证。
[Abstract]:Underground municipal pipeline projects, such as water supply, drainage, electricity, telecommunications, gas and so on in the city, commonly known as lifeline projects, are the capillaries of a city, the carrier of information, energy and materials, and they are transported to thousands of households. Also is the production and life high efficiency, the high quality operation guarantee [1]. More and more pipeline laying has increased the tension of urban underground space. The crisscross underground pipeline has brought great inconvenience to urban reconstruction, urban expansion and the development of urban underground rail transit. Traditional municipal pipeline laying can not meet the requirements of urban development. Comprehensive pipe ditch is a modern and intensive infrastructure. Up to now, it has a history of more than 170 years, but it is still a new thing in our country. The experience of urban development and construction in developed countries in Europe and America shows that the construction of comprehensive pipe trenches is an effective way to solve the problem of urban underground pipelines, and is also the trend of municipal pipeline laying and development. The design of comprehensive pipe ditch is related to the safety, reliability and service life of municipal pipeline. In the past, the design of comprehensive pipe ditch mainly depends on the designer's experience. The regional difference is great, and the design results are lack of scientific theoretical analysis and calculation. On the basis of investigating the present situation and layout of comprehensive pipe ditch construction at home and abroad, through analyzing the characteristics and influencing factors of comprehensive pipe ditch construction, this paper puts forward the pipeline acceptance principle of comprehensive pipe ditch, according to the characteristics of each kind of municipal pipeline. In this paper, the compatibility of reception pipeline is analyzed, and the solution is put forward. In view of the core problem of how to arrange the pipeline in the integrated pipe ditch, this paper simplifies the section of the integrated pipe channel according to the actual situation, establishes the corresponding mathematical model, and solves the model by using the mathematical idea of genetic algorithm. Finally, the mathematical model and algorithm are simulated and analyzed with an example. In order to verify the correctness of the algorithm, this paper uses MATLAB software to simulate and analyze the data. Mainly from the point of view that the construction of the gutter conforms to the urban development plan, including the relationship with the above ground building structure, the relation of the underground pipeline, Urban rail transit and time planning. 2) this paper analyzes the characteristics of all kinds of pipelines, and then studies the feasibility of integrating them into comprehensive gutters. The basic pipeline composed of water supply pipe, power cable, communication cable, thermal pipeline and gas pipe is put forward. It is suggested that gravity flow Rain Water pipeline and sewage pipe should not be included in integrated pipe ditch. The compatibility of all kinds of pipelines which can be included in the comprehensive pipe trench is studied and analyzed. (3) according to the fact that the cross-section shape of the domestic integrated ditch is mostly rectangular section, the section of the pipe ditch is assumed to be rectangular. Taking into account the physical and chemical properties and pressure of the medium in the five pipelines, the influence range of each pipeline is established and the mathematical model is established. It includes objective function and constraint condition. Finally, using genetic algorithm to solve the mathematical idea of multi-objective, taking Matlab software as the computing platform, combining with the auxiliary facilities in the comprehensive pipe ditch, the reasonable and scientific arrangement scheme is obtained. An example is used to analyze and verify.
【学位授予单位】：西安建筑科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU990.3

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