超深基坑支護方案分析與決策研究
發(fā)布時間：2018-10-22 19:51
【摘要】：隨著國內(nèi)經(jīng)濟和城市建設(shè)的飛速發(fā)展，大型高層建筑的建設(shè)如火如荼，市中心地下空間的利用價值越來越高，開挖地下三層以上的大型深基坑工程項目越來越多。一方面深基坑開挖與建設(shè)技術(shù)得到了長足的發(fā)展，出現(xiàn)了許多的建設(shè)技術(shù)和方案；另一方面隨著社會的進步和相關(guān)法律、法規(guī)的完善，對深基坑開挖工程在周邊環(huán)境影響、施工安全、施工質(zhì)量、進度、成本等多方面都提出了更高的要求。 如何在眾多的建設(shè)技術(shù)方案中通過全面科學(xué)的分析選擇出最科學(xué)、經(jīng)濟合理的方案，是項目管理者經(jīng)常遇到的課題。 本文在深入剖析超深基坑支護工程現(xiàn)狀以及存在問題的基礎(chǔ)上，，全面探討了各種支護技術(shù)的優(yōu)點、不足，通過較全面的評價和分析，以實際案例為依據(jù)，對除常見因素如工程可靠度、工程造價、工期外，還有施工難易程度、環(huán)境影響等因素進行全面分析研究，建立較完整的評價分析與決策體系，為類似問題提供較好的解決方案。 論文主要做了以下工作： （一）首先對國內(nèi)常見深基坑施工技術(shù)進行分析研究； （二）對南益廣場項目進行分析研究； （三）采用層次分析法（AHP法）進行方案決策研究。
[Abstract]:With the rapid development of domestic economy and urban construction, the construction of large high-rise buildings is in full swing, the utilization value of underground space in the city center is more and more high, and there are more and more large-scale deep foundation pit projects excavating more than three underground floors. On the one hand, the excavation and construction technology of deep foundation pit has been greatly developed, and many construction techniques and schemes have emerged; on the other hand, with the progress of society and the improvement of relevant laws and regulations, the excavation of deep foundation pit has been affected on the surrounding environment. Construction safety, construction quality, schedule, cost and other aspects have put forward higher requirements. How to choose the most scientific and economical scheme through comprehensive and scientific analysis in many construction technical schemes is a subject often encountered by project managers. On the basis of deeply analyzing the present situation and existing problems of the supporting engineering of ultra-deep foundation pit, this paper discusses the advantages and disadvantages of various supporting technologies in an all-round way. Through comprehensive evaluation and analysis, based on the actual cases, In addition to the common factors such as engineering reliability, project cost, time limit, construction difficulty, environmental impact and so on, this paper makes a comprehensive analysis and study on the factors, such as engineering reliability, project cost, time limit, and so on, and establishes a relatively complete evaluation, analysis and decision system. To provide a better solution to similar problems. The main work of this paper is as follows: (1) analysis and research on common deep foundation pit construction technology in China; (2) analysis and research on Nanyi Square project; (3) Analytic hierarchy process (AHP) is used to study the scheme decision.
【學(xué)位授予單位】：華僑大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU753
本文編號：2288146
[Abstract]:With the rapid development of domestic economy and urban construction, the construction of large high-rise buildings is in full swing, the utilization value of underground space in the city center is more and more high, and there are more and more large-scale deep foundation pit projects excavating more than three underground floors. On the one hand, the excavation and construction technology of deep foundation pit has been greatly developed, and many construction techniques and schemes have emerged; on the other hand, with the progress of society and the improvement of relevant laws and regulations, the excavation of deep foundation pit has been affected on the surrounding environment. Construction safety, construction quality, schedule, cost and other aspects have put forward higher requirements. How to choose the most scientific and economical scheme through comprehensive and scientific analysis in many construction technical schemes is a subject often encountered by project managers. On the basis of deeply analyzing the present situation and existing problems of the supporting engineering of ultra-deep foundation pit, this paper discusses the advantages and disadvantages of various supporting technologies in an all-round way. Through comprehensive evaluation and analysis, based on the actual cases, In addition to the common factors such as engineering reliability, project cost, time limit, construction difficulty, environmental impact and so on, this paper makes a comprehensive analysis and study on the factors, such as engineering reliability, project cost, time limit, and so on, and establishes a relatively complete evaluation, analysis and decision system. To provide a better solution to similar problems. The main work of this paper is as follows: (1) analysis and research on common deep foundation pit construction technology in China; (2) analysis and research on Nanyi Square project; (3) Analytic hierarchy process (AHP) is used to study the scheme decision.
【學(xué)位授予單位】：華僑大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU753
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本文編號：2288146
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