本文關(guān)鍵詞： 深基坑工程 優(yōu)化設(shè)計(jì) 樁錨支護(hù) 土釘墻　出處：《河北工程大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：深基坑工程是一個古老而又具有時代特點(diǎn)的課題,同時也是一個綜合性的巖土工程難題,深基坑支護(hù)是一項(xiàng)涉及面廣泛的技術(shù)領(lǐng)域,既涉及到有關(guān)工程結(jié)構(gòu)的課題,也涉及到有關(guān)地基基礎(chǔ)和巖土力學(xué)等方面的內(nèi)容,同時與環(huán)境保護(hù)也有關(guān)聯(lián)。隨著經(jīng)濟(jì)水平的的高速發(fā)展、各項(xiàng)工程技術(shù)的發(fā)展和新型材料的應(yīng)用,深基坑的支護(hù)結(jié)構(gòu)形式也越來越多樣化。 然而,現(xiàn)在有關(guān)于深基坑支護(hù)結(jié)構(gòu)的設(shè)計(jì)存在兩個問題：一是在對基坑支護(hù)結(jié)構(gòu)設(shè)計(jì)時,設(shè)計(jì)的過于保守,滿足不了經(jīng)濟(jì)合理的要求,從而造成材料及資金的浪費(fèi)；另一個問題是理論落后于實(shí)踐,理論不能指導(dǎo)實(shí)踐,造成因設(shè)計(jì)施工不當(dāng)導(dǎo)致的嚴(yán)重工程事故。目前基坑支護(hù)工程中的支護(hù)結(jié)構(gòu)設(shè)計(jì)不合理的問題出現(xiàn)的較多,因此針對基坑工程的支護(hù)的優(yōu)化設(shè)計(jì)研究意義重大。 本文結(jié)合邯鄲地區(qū)深基坑工程實(shí)例,主要進(jìn)行以下幾個方面的研究： (1)綜述該領(lǐng)域的發(fā)展現(xiàn)狀,并提出深基坑支護(hù)結(jié)構(gòu)優(yōu)化設(shè)計(jì)的思路,就是支護(hù)結(jié)構(gòu)方案的優(yōu)化選擇和支護(hù)結(jié)構(gòu)細(xì)部的優(yōu)化設(shè)計(jì)。 (2)介紹幾種具有代表性的基坑支護(hù)形式及其使用范圍,結(jié)合工程實(shí)例,確定各個剖面的支護(hù)結(jié)構(gòu)形式。 (3)利用理正軟件對各個支護(hù)結(jié)構(gòu)進(jìn)行優(yōu)化設(shè)計(jì),分析一些參數(shù)在設(shè)計(jì)中的作用和意義,并給出最優(yōu)的支護(hù)結(jié)構(gòu)的設(shè)計(jì)。
[Abstract]:Deep foundation pit engineering is an ancient subject with the characteristics of the times, but also a comprehensive geotechnical engineering problem, deep foundation pit support is a wide range of technical fields. It is not only related to the engineering structure, but also related to the foundation and geotechnical mechanics, and also related to the environmental protection. With the rapid development of economic level. With the development of engineering technology and the application of new materials, the support structure of deep foundation pit is becoming more and more diversified. However, there are two problems in the design of deep foundation pit support structure. One is that the design of foundation pit support structure is too conservative to meet the economic and reasonable requirements. Thus causing waste of materials and funds; Another problem is that theory lags behind practice, theory can not guide practice, resulting in serious engineering accidents caused by improper design and construction. Therefore, it is of great significance to study the optimum design of foundation pit support. Based on the example of deep foundation pit engineering in Handan area, this paper mainly studies the following aspects: 1) the development of this field is summarized, and the idea of optimal design of deep foundation pit supporting structure is put forward, that is, the optimal selection of supporting structure scheme and the optimization design of supporting structure detail. This paper introduces several representative supporting forms of foundation pit and their application scope, and determines the supporting structure form of each section combining with engineering examples. 3) the optimal design of each supporting structure is carried out by using the software of straightening, the function and significance of some parameters in the design are analyzed, and the optimal design of the supporting structure is given.
【學(xué)位授予單位】：河北工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU473.2

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