本文選題：低影響開發(fā)　切入點(diǎn)：居住小區(qū)　出處：《中國(guó)礦業(yè)大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：近年來,隨著城鎮(zhèn)化的推進(jìn),城市不透水地面增加,城市原有的水文循環(huán)系統(tǒng)性破壞,導(dǎo)致地面雨水徑流量增加,引發(fā)了城市內(nèi)澇。我國(guó)學(xué)者借鑒國(guó)外低影響開發(fā)(Low Impact Development,簡(jiǎn)稱LID)理念,提出建設(shè)海綿城市的策略,旨在通過低影響開發(fā)技術(shù)手段應(yīng)對(duì)城市內(nèi)澇問題。LID理念的核心是源頭控制,旨在將大部分徑流控制在排水系統(tǒng)的起端,從而減輕排水管網(wǎng)系統(tǒng)的壓力。居住小區(qū)作為城市中重要的土地類型,是城市雨水排水系統(tǒng)的起端之一,在城市雨洪控制與利用中扮演重要角色,也具備相當(dāng)?shù)牡湫鸵饬x。文章以居住小區(qū)為研究對(duì)象,選取徐州市風(fēng)華園小區(qū)作為實(shí)例,針對(duì)如何通過改造將原有綠地改造為下凹式綠地,提高小區(qū)防澇能力的規(guī)劃設(shè)計(jì)方法。一方面計(jì)算了下凹式綠地的滲蓄性能:根據(jù)植物耐淹時(shí)間和雨水下滲公式計(jì)算溢流口高度的設(shè)計(jì)上限;根據(jù)年徑流總量控制率和水量平衡模型計(jì)算下凹面積;根據(jù)溢流口排水性能和暴雨強(qiáng)度計(jì)算下凹深度及溢流口數(shù)量。另一方面,通過分析下凹式綠地形態(tài)及位置探討下凹式改造區(qū)域的優(yōu)先布局,通過分析改造區(qū)域布置的影響因素提出改造適宜程度等級(jí),然后基于各類綠地的特征,指出居住小區(qū)下凹式綠地改造規(guī)劃設(shè)計(jì)的布局原則。結(jié)合上述兩方面的研究,分析各項(xiàng)因素的互相影響關(guān)系,提出居住小區(qū)下凹式綠地改造規(guī)劃設(shè)計(jì)的流程。研究表明:溢流口高度的計(jì)算主要受植物耐淹時(shí)間和土壤滲透率的影響;下凹面積主要受溢流口高度和設(shè)計(jì)降雨量的影響;下凹深度則主要受設(shè)計(jì)暴雨強(qiáng)度、溢流口規(guī)格、溢流口數(shù)量的影響;下凹式綠地應(yīng)優(yōu)先以帶狀形態(tài),靠近雨水管道和不透水地面設(shè)置;下凹式綠地改造規(guī)劃設(shè)計(jì)過程中,各環(huán)節(jié)的參數(shù)指標(biāo)確定的流程建議為:首先計(jì)算溢流口高度和下凹面積,然后確定下凹式綠地布局,最終確定下凹深度、溢流口數(shù)量、溢流口位置。文章基于下凹式綠地參數(shù)和布局,提出一套完整的針對(duì)居住小區(qū)的綠地改造規(guī)劃設(shè)計(jì)方法,并從政策、實(shí)施、管制方面對(duì)下凹式綠地的建設(shè)工作提出建議。以期為相關(guān)研究和實(shí)踐提供參考和借鑒。
[Abstract]:In recent years, with the development of urbanization, the impermeable surface of the city has increased, and the original hydrological circulation system of the city has been destroyed, resulting in the increase of the surface runoff of Rain Water. Chinese scholars draw lessons from the concept of low Impact Development (lid) in foreign countries, and put forward the strategy of constructing sponge city, which is aimed at controlling the source of the concept of "low impact development technology" to deal with the problem of urban waterlogging. The purpose is to control most of the runoff at the beginning of the drainage system, thereby reducing the pressure on the drainage network system. As an important land type in the city, residential areas are one of the starting points of the urban drainage system of Rain Water. It plays an important role in the control and utilization of urban rain flood. This paper takes the residential district as the research object and selects Fenghua Garden District of Xuzhou City as an example. In view of how to transform the original green space into a concave green space, The planning and design method of improving the waterlogging resistance of residential area. On the one hand, the seepage storage performance of concave green space is calculated: the design upper limit of overflow outlet height is calculated according to the time of plant waterlogging tolerance and Rain Water's infiltration formula; The concave area is calculated according to the annual runoff total control rate and the water balance model, the depth and the number of the overflow outlet are calculated according to the drainage performance of the overflow outlet and the rainstorm intensity, on the other hand, By analyzing the shape and position of the concave green space, the preferential layout of the concave reconstruction area is discussed. By analyzing the influencing factors of the reconstruction area layout, the degree of suitability of the reconstruction is put forward, and then based on the characteristics of all kinds of green space, This paper points out the layout principle of the reconstruction planning and design of the concave green space in the residential district, and analyzes the mutual influence relationship of the various factors in the light of the above two aspects. The research shows that the calculation of overflow outlet height is mainly affected by plant flood tolerance time and soil permeability, and the concave area is mainly affected by overflow outlet height and design rainfall. The depth of the depression is mainly affected by the intensity of the design rainstorm, the specifications of the overflow outlet and the quantity of the overflow outlet; the concave green space should be arranged in the form of belt, close to Rain Water's pipe and impervious ground; in the process of planning and design of the reconstruction and design of the concave green space, The process of determining the parameters of each link is as follows: first, calculate the height and area of the overflow outlet, then determine the layout of the concave green space, finally determine the depth of the depression, the number of the overflow outlet, Based on the parameters and layout of the concave green space, this paper puts forward a set of complete planning and design method for the green land reconstruction of residential district, and implements it from the policy, Some suggestions on the construction of concave green space are put forward in order to provide reference for relevant research and practice.
【學(xué)位授予單位】：中國(guó)礦業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TU985.125;TV213.9

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