道路工程專業(yè)外文翻譯---軟土路基處理方法概述-文庫吧
2025-04-16 15:19 本頁面
【正文】 后深，前方相對(duì)有利。在這樣大面積超軟弱的淤泥地基上筑路需作軟基深層處理，以防止施工期軟基沉降緩慢，引起工程完工后仍有較大剩余沉降量，同時(shí)不致因加載引起地基失穩(wěn) 破壞。這一帶因軟基不當(dāng)而出現(xiàn)工程質(zhì)量或安全事故是較常見的，就設(shè)計(jì)采用Ф 7cm 袋裝砂井加砂墊層堆載預(yù)壓排水固結(jié)進(jìn)行軟基加固，目的是通過打設(shè)砂井使第二、四層淤泥土排水固結(jié)后，土質(zhì)強(qiáng)度獲得提高、減少工程投產(chǎn)后的沉降，保證工程的正常使用，滿足工程設(shè)計(jì)要求。 塑料排水板：排水原理與袋裝砂井相同，由于是工廠制作，它的質(zhì)量穩(wěn)定、重量輕、運(yùn)輸保管方便，施工工藝比較簡(jiǎn)單，投入勞力少，費(fèi)用相對(duì)較低，并且滲濾吸水性好，具有一定的強(qiáng)度和延伸率，對(duì)土的擾動(dòng)小，預(yù)壓時(shí)間較長(zhǎng)，在工程中得到廣泛應(yīng)用，但對(duì)于提高土層的抗剪能力不如袋裝砂井。 Overview of Soft Subgrade Treatment Abstract: The reinforcement of soft soil roadbed There are many ways, several to explain the reinforcement mechanism of the role, scope, and individual project example elaboration. New reinforcement materials and new technology development and utilization of soft subgrade reinforcement played an important role to do with the simple description. When road works are often encountered in soft soil subgrade, the carrying capacity of the foundation have bee increasingly demanding due to the development of highway, railway, natural soft ground is far from meeting these highgrade structures are the foundation bearing force requirements. 1980s and 1990s, due to population expansion of land resources are being increasingly tense, soft soil subgrade reinforcement technology has made great progress, and economic conditions have improved, a variety of soft soil reinforcement theory has been fully Application and verification of soft base reinforcement technology has made rapid progress in different areas are covered。 to the 1990s, a variety of soft foundation treatment technology has been widely used in various road projects. Foundation in soft soil, usually in soft new moon or under the state of the flow of new moon of the clay. Which is characterized by the natural water content, void ratio, pressibility factor, low strength and creep, thixotropy, and other special engineering geological properties, poor engineering geological conditions. Selection of soft soil roadbed application must be put forward practical measures. Soil, such as in the construction of the base of the embankment or bridge and culvert structures, optimum moisture content is not easy to grasp, is extremely difficult to achieve the required degree of paction can not meet the density requirements after the opening, often a roadbed instability or excessive settlement. Its obvious dangers, therefore prohibiting the use. Construction of embankment on soft ground, especially Bridge Approach, if not take effective measures for the reinforcement, it will have varying degrees of collapse slip or subsidence, resulting in road damage or is not working is known as the Bump. In general, in addition to ensure that the new subgrade Using density to reduce the settlement In addition, the total settlements of the foundations of the original ground must meet the basic stability of the settlement roughly more than 80% of the total settlement amount, to allow resurfacing. Serious settlement of soft ground, not only to increase the amount of fill, and subsidence or horizontal displacement of the bridge near the filling, retaining walls, culverts, and even the technical standards of the nearby residential, farmland, and the route will have a huge impact . To this end, according to the engineering properties of foundation soil, the selection of appropriate measures to deal with. After a long practice, the formation of roads, railways, various forms of soft ground, bined with a lot of construction panies man
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