天津?yàn)I海新區(qū)地下空間規(guī)劃地質(zhì)環(huán)境影響因素分析和評(píng)價(jià)方法研究
本文選題:地質(zhì)環(huán)境 + 影響因素分析; 參考:《中國(guó)地質(zhì)大學(xué)(北京)》2014年碩士論文
【摘要】:地下空間作為一種有限不可再生性資源,其合理開(kāi)發(fā)利用顯得尤為重要。天津?yàn)I海新區(qū)依托北京、天津兩大直轄市,擁有最具潛力的消費(fèi)市場(chǎng)和最完善的城市配套設(shè)施,擁有無(wú)限的發(fā)展機(jī)遇,隨著天津?yàn)I海新區(qū)被列入國(guó)家發(fā)展戰(zhàn)略,大規(guī)模的開(kāi)發(fā)建設(shè)活動(dòng)迅速開(kāi)展起來(lái),使得土地資源的供需矛盾進(jìn)一步凸顯出來(lái),而如何合理充分的開(kāi)發(fā)利用地下空間資源,減少或防范因不合理開(kāi)發(fā)可能引起的工程及環(huán)境地質(zhì)問(wèn)題成為當(dāng)前天津?yàn)I海新區(qū)開(kāi)發(fā)建設(shè)的一項(xiàng)重要任務(wù)。 根據(jù)國(guó)內(nèi)外對(duì)地下空間開(kāi)發(fā)利用經(jīng)驗(yàn)結(jié)合天津?yàn)I海新區(qū)的地質(zhì)環(huán)境條件及規(guī)劃建設(shè)方向,分析地下空間建設(shè)開(kāi)發(fā)深度主要集中于地表以下30m內(nèi)的淺層和次淺層,分析未來(lái)地下空間開(kāi)發(fā)建設(shè)的特點(diǎn)和方向主要包括三個(gè),即地下交通線逐步實(shí)現(xiàn)網(wǎng)絡(luò)化;城市地下管網(wǎng)綜合化;地下設(shè)施綜合化、互通化。據(jù)此,對(duì)地下空間開(kāi)發(fā)工程根據(jù)按工程特點(diǎn)和深度進(jìn)行分類,大體可分為明開(kāi)挖的給排水等地下管網(wǎng)形式的線工程(埋深一般小于5m)、非明開(kāi)挖及時(shí)支護(hù)的城市地下交通隧道形式的線工程(埋深一般8-25m)、明開(kāi)挖基坑形式的點(diǎn)工程(埋深一般30m以淺)三類。 本文分別對(duì)上述三類工程按照施工過(guò)程中和運(yùn)行期間可能產(chǎn)生的工程地質(zhì)問(wèn)題進(jìn)行了分析,分別確定了可能影響三類不同工程建設(shè)和運(yùn)營(yíng)期間安全的地質(zhì)環(huán)境因素,在結(jié)合天津?yàn)I海新區(qū)地質(zhì)環(huán)境特點(diǎn)的基礎(chǔ)上,進(jìn)行了地質(zhì)環(huán)境影響評(píng)價(jià)因素選取,并在評(píng)價(jià)要素選取的基礎(chǔ)上采用綜合指數(shù)法、層次分析法和模糊數(shù)學(xué)法三類常用評(píng)價(jià)模型進(jìn)行評(píng)價(jià),,最后綜合天津?yàn)I海新區(qū)地下空間開(kāi)發(fā)工程中出現(xiàn)的問(wèn)題和地段情況對(duì)評(píng)價(jià)成果進(jìn)行了對(duì)比驗(yàn)證分析,最終確定在天津?yàn)I海新區(qū)進(jìn)行三類不同工程類型規(guī)劃和建設(shè)時(shí)適宜選取的評(píng)價(jià)要素和評(píng)價(jià)模型。
[Abstract]:As a limited non-renewable resource, it is very important to develop and utilize underground space reasonably. Relying on Beijing and the two municipalities directly under the Central Government of Tianjin, Tianjin Binhai New area has the most potential consumer market and the most perfect urban facilities, with unlimited development opportunities. As Tianjin Binhai New area is listed in the national development strategy, Large-scale development and construction activities have been carried out rapidly, which makes the contradiction between supply and demand of land resources more prominent, and how to develop and utilize underground space resources reasonably and fully, It is an important task to reduce or prevent the engineering and environmental geological problems caused by unreasonable development in Tianjin Binhai New area. According to the experience of exploitation and utilization of underground space at home and abroad, combined with the geological environment conditions and planning and construction direction of Tianjin Binhai New area, it is analyzed that the depth of underground space construction and development is mainly concentrated in shallow and sub-shallow layers within 30 meters below the surface of the earth's surface. This paper analyzes the characteristics and direction of the development and construction of underground space in the future, which includes three aspects: the gradual realization of the network of underground traffic lines, the integration of urban underground pipe networks, and the integration and interoperability of underground facilities. Accordingly, the underground space development projects are classified according to the characteristics and depth of the project. It can be divided into underground pipeline works (buried depth is less than 5m), urban underground traffic tunnel type (8-25m) and excavation foundation pit type (buried depth is 8-25m), which can be divided into underground pipeline works (buried depth is usually 8-25m) and underground pipe network (buried depth is usually less than 5m), which is not supported by urban underground traffic tunnel (8-25m). Cheng (the depth of burying is generally 30 m to shallow) three types. In this paper, the engineering geological problems that may arise during the construction and during the operation of the three types of projects are analyzed, and the geological environmental factors which may affect the safety of the construction and operation of the three kinds of different projects are determined. Based on the characteristics of geological environment in Tianjin Binhai New area, the factors of geological environmental impact assessment are selected, and the comprehensive index method is adopted on the basis of the selection of evaluation elements. Analytic hierarchy process (AHP) and fuzzy mathematics are used to evaluate the evaluation results. Finally, the problems in the underground space development project of Binhai New area in Tianjin and the location situation are compared and verified. Finally, the suitable evaluation elements and evaluation models for the planning and construction of three different types of projects in Tianjin Binhai New area are determined.
【學(xué)位授予單位】:中國(guó)地質(zhì)大學(xué)(北京)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TU984.113;X141
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