沉砂工程 的英文怎麼說
中文拼音 [chénshāgōngchéng]
沉砂工程
英文
desilting works-
Based on the bedding features of weak intercalations in sandstone plates near the top of underground cavity, the probable failure scale of bedding sliding, the probable settlement, the folding places and the critical length of sandstone beams are computed seperately, then the stability of underground cavity is analysed
針對地下工程頂部層狀砂巖中存在順層發育軟弱夾層的情況，分別對開挖后可能出現的層間滑動破壞范圍、巖板的沉降、折斷和臨界長度進行計算，並分析其穩定性。Taking the measure of uncorking on the steel tube and filling water before sand filling, the installation process of sand compaction piles is optimized, the installation parameters and testing rate under the near shore condition are confirmed, and the control and testing methods for the piles ' quality are summarized
採取樁管壁開孔、先灌水后灌砂的方法，優化了水上擠密砂樁的施工工藝；給出了在近岸無掩護、水流急的施工條件下的施工參數和檢驗比率，總結了沉樁定位、高程式控制制、灌砂率等參數的控制措施和檢驗方法。The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated
本文利用大變形固結有限元分析程序（ lscfea ）中的小變形平面固結分析單元（ sse2 ） ，結合實體工程項目進行了地基固結沉降的有限元計算，分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲線及杭甬高速公路試驗段在高堆載情況下的固結沉降曲線；並對以上曲線特徵進行了分析，得出各時間段曲線斜率、角度在整個斷面的變化規律，以及沉降最大值與斜率、角度變化之間的線性回歸關系。In this field observation we also find an important fact that, even during storm surge period, high tidal flat can still be in sedimentation in some place, no erosion occurred. to tell the typhoon storm surges from cold wave storm surges, 12 monthly sedimentary samples are collected from the modern tidal flat surface at dafeng, jiangsu. palynological analysis of these samples indicates that the seasonal palynological features of the tidal flat sediment are very obvious and some palynological indexes, such as taxon percentage of arboreal, herbaceous pollen and spore, are good indicators to tell the seasonality of the tidal flat deposits
為區分風暴潮沉積是由臺風引致還是由寒流或冷鋒引致，對長期處于淤積狀態的江蘇中部大豐縣斗龍港附近潮灘，採集了一年中每月小潮期間灘面表層泥樣，並在啟東茅家港灘面分別採集了6月、 9月與12月的表層泥樣，在實驗室中，對這些樣品進行孢粉等分析，認為在以粉砂、泥為主的潮灘沉積中，孢粉種類百分比，尤其是木本種類占孢粉總種類的百分比是判別季節性潮灘的重要指標，通過啟東茅家港工程建設區淤積狀況的觀測記錄對這一判別指標進行了驗證。Appraise the test scheme of dynamic consolidation of each test district before test and make optimization suggestions ; 4. the grain - size distrilidation of the underlayer of dynamic consolidation has great on consumption of the energy i, the better the dynamic consolidation effect is ; 5. the deformation effect of dynamic consolidation foundation is that not only the settlement deformation of foundation will decrease greatly after pounding, but residual settlement deformation in each test district are compared, it can be concluded that the deformation stability of foundation of the runway engineering of pu - dong airport can satisfy the design requirment through dynamic consolidation according to optimized test scheme. but the underlayer of dynamic consolidation should be made when pounding
論文的主要工作和研究認識如下： （ 1 ）確定必要的強夯施工參數； （ 2 ）對既有砂性土又有粘性土地基的最佳夯擊次數的確定方法進行了探討； （ 3 ）對試驗前各試驗小區的強夯試驗方案進行了評價，並提出了優化建議； （ 4 ）強夯墊層材料的級配對夯擊能的消耗有很大影響，級配好的墊層對夯擊能的傳遞比級配差的墊層效果好； （ 5 ）強夯地基的變形效應主要是指夯后地基不但沉降變形會大幅度降低，而且剩餘沉降變形會緩慢地發生； （ 6 ）在比較各試驗小區的變形穩定性后，按照優化后的試驗方案進行強夯處理，則浦東機場場道工程地基的變形穩定性能滿足設計要求，但須在處理時施加強夯墊層。To meet the need of settlement calculation with fem when absence of laboratory triaxial test data in common road engineering, methods of determining the five parameters included in tangential elastic module through soil routine tests and the related emendation coefficient are given. at the same time, one approximately substituted formula for tangential poisson ratio is also developed, which is suitable for both sandy soil and cohesive soil. ( 3 ) research on main parameters modification of duncan - chang model based on the improved bp network
對於一般道路工程中不做三軸試驗但須進行沉降有限元計算的情況，給出了依據土體常規試驗的切線彈性模量確定方法和相關修正系數，同時也提出了對砂性土和粘性土均適用的切線泊松比的近似替代式子； （ 3 ）基於改進的bp網路對鄧肯張模型主要參數修正研究。Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils
通過多種技術方案比較，最終選擇了技術先進的砂墊層預抬高分級充水預壓法，論文工作主要由以下兩部分組成： （ 1 ）砂墊層預抬高分級充水預壓法的適用性研究，其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析； （ 2 ）施工監測與地基處理效果檢驗，其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。This paper presents an example of construction project in which the settlement of shallow foundation and the settlement difference between the multi - storey building and the podium on loose fine soil and reduced with methods of treatment of soil, adjustment of founda - tion stiffness and control of time difference in construction
本文結合工程實例討論了在鬆散細砂層天然地基上如何通過地基處理，調整基礎剛度，控制施工時差來達到減少淺基礎的沉降及多層主樓與單層裙房的沉降差的方法。Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given
最後，通過兩個工程實例的分析來說明本文模型的有效性和實用性:一是對berthiervill填土試驗場的軟基實測數據和理論成果進行對比分析，闡明考慮結構性擾動和粘滯性效應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井超載預壓工程進行數值模擬，指出停荷預壓期間下臥層孔壓增加和工后沉降大的原因。Based on four project cases of vibro casing cast - in - place pile in silty sand foundation, the liquefaction of sand and its consequent pile breaking are analyzed, and suggestions on how to adopt values of the design parameters of a single pile are presented
摘要以4個在粉砂地基中均採用振動沉管灌注樁的工程為例，分析了施工中砂土的液化及由此引起的斷樁，並對單樁設計參數的取值提出了建議。The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et
公路沿線廣泛分佈有昔格達地層，昔格達地層能否用作高速公路路基填料，國內沒有先例，本論文就是結合導師的科研項目，在非典期間，現場長達5個月的工作，完成了從試驗、現場施工工藝到路堤分層沉降監測等工作，是面對生產實際，認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有：對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析，研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響，通過地區地震活動頻繁，差異沉降較大，對公路建設、安全運行和沿線構築物設計有較大影響；由於昔格達地層在有些路段作為地基、有些作為路基，對其基本性質進行了研究：包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明：昔格達地層為湖相沉積，主要為砂巖和泥巖，它以細粒組為主，同時粘粒的存在，使其具有一定粘性。Su, s. f. and liao, h. j. " influence of strength anisotropy on piezocone resistance in clay ", journal of geotechnical and geoenvironmental engineering, asce, vol. 128, no. 2, pp. 166 - 173 ( 2002 ) （ sci ）
許世宗和廖洪鈞，沉泥質砂土中錐形擴座地錨之錨碇行為，中國土木水利工程學刊，第14卷，第三期，第393 - 404頁（ 2002 ） 。Su, s. f. and liao, h. j. “ influence of strength anisotropy on piezocone resistance in clay ”, journal of geotechnical and geoenvironmental engineering, asce, vol. 128, no. 2, pp. 166 - 173 ( 2002 ) （ sci ）
許世宗和廖洪鈞，沉泥質砂土中錐形擴座地錨之錨碇行為，中國土木水利工程學刊，第14卷，第三期，第393 ? 404頁（ 2002 ） 。In view of the technical problems of softening of foundation soil and reduction of bearing capacity of the breakwater under the action of repeated wave loads during the execution of the second phase of the deepwater waterway regulation project in the changjiang estuary, tianjin port construction corporation has successfully developed safer, higher quality and highly efficient technology and special - purpose marine craft and machinery for laying deepwater sand blankets and offshore installation of prefabricated drains, which were more suitable for the working conditions in the changjiang estuary, and has also explored the construction technology for prefabrication of caissons with rubber anti - sliding plates, to ensure the efficient implementation of the engineering measures against softening of foundation soil
摘要針對長江口深水航道治理二期工程施工過程中遇到的堤身在波浪重復荷載作用下地基土出現軟化、承載力降低的技術難題，第一航務工程局成功開發了適合長江口工況的安全、優質、高效的深水砂被鋪設和海上塑料排水板打設施工工藝及專用船機設備，探索了一整套帶橡膠阻滑板的沉箱預制施工工藝，確保了抗軟化工程措施的有效實施。The basic uneven settlement problem were controlled well, also the anti - liquefied problem of sand layer nearly was solved in this plan. when increasing the basic gravity after the project completion, the proportional lowering of seepage damage of sand in overburden foundation are greatly improved
基礎不均勻沉降問題也能得到較好控制，防砂層液化問題也基本解決，在工程完建后增加基礎壓重的情況下，覆蓋層基礎中砂層的滲透破壞坡降也大大提高。分享友人