坡段長度 的英文怎麼說
中文拼音 [pōduànzhǎngdù]
坡段長度
英文
length of grade section-
As a southwesten autonomous county with national minority and typical area, the nature condition in youyang is bad and the economy falls behind and the soil erosion is serious. furthermore, the population increases quickly which results to steep slope farming and excessively opening up, so eco - environment accelerates rapidly. in the whole, youyang is an epitome of the area with soil and water erasion in western china
酉陽作為西南少數民族自治縣，區內自然條件差、經濟落後、水土流失嚴重，屬典型的水土流失型生態脆弱區，加之該區生產手段落後、經濟結構單一、而人口增長過快，導致人地矛盾尖銳，陡坡耕作、過度開墾，使生態環境加速惡化，因此，酉陽自治縣土地資源可持續利用可以作為西部水土流失型生態脆弱區的一個縮影。But at the present, because of chronic geomorphy disintegration, altitude and ascent of bank slope have been built down and palliated. especial rock mass mechanics condition has not been existent, so all kinds of rock mass fracturing deformation was stopped to developing and steady
但目前因長期的地貌剝蝕作用，壩肩岸坡的高度及坡度均已大為降低減緩，特殊的巖體力學條件已不復存在，巖體內部的各類張裂變形亦停止發展，處于破裂發展穩定階段。The article structure the landslide prevention and cure, the structure of prestress anchors and its application in detail. basing on the geology condition of fabricating yard, we calculate the solid power and the length of anchor rope. we have worked out the experiment research scheme, and has carried on the earlier stage experiment, field demarcation experiment and has opened pulling the experiment on the spot. ten teams of steel rope to two teams of structure types twist the experimental data that thread internal stress and the total pulling force has been in progress research, and has put forward raising the measure of solid capability of prestress anchor and administering possessing
本文以川藏公路滑坡路段為研究對象，對滑坡的治理、預應力錨索的結構、作用及其在滑坡防治中的應用進行了詳細的分析；基於施工現場的地質條件，對錨索錨固力及錨索最佳錨固段長度進行了理論計算；制定了實驗研究方案，進行了前期實驗、現場標定實驗、實地張拉實驗；對兩組結構型式的十組鋼絞線內應力及總張拉力的實驗數據進行了研究，提出了提高預應力錨索錨固性能的措施，以及具體的施工方案和施工工藝。The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation
本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象，採用傳統生態學的野外調查方法，從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境（土壤含水量、溫度）相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化，取得了如下研究結果： 1 、植被群落組成、多樣性及生活型：沙坡頭地區人工植被經過近50年的演變，從流動沙丘到固定沙地，沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變，從人工植被建立初期的少數幾種引種植物到現有30多種植物，隨著固定沙地時間的延長，植物種類日趨豐富，並且人工植被在15 25年、 40 50年兩個階段，物種的周轉速率最大，即群落結構變化最大。Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given
分上橋和下橋兩種情況，考慮車路耦合和橋面沉降坡差的影響，對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析，得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動值和路面對車的最大作用力，分析了車輛的行進方向、速度和載重，橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響，並編制了相應的計算程序。The 450m long viaduct meets the hill opposite at an elevation of 69m and continues through an area with numerous man - made slopes near siu lang shui. the road passes to the north of the tuen mun west fresh water service reservoir through a 400m long cutting
這段長450米的高架橋從69米的高度接達山丘，並沿小冷水附近的多個人工斜坡而行，再越過400米長的切削路塹，到達屯門西食水配水庫以北的地點。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較，論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點，並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序，以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究，得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論；採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析，重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用，得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論；通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究，得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。In order to restrict the displacement of relaxed rock effectively, the factors affecting the efficacy of anchor measures are analyzed according to mechanism of action of anchor. in terms of principle orthogonal design, the influence of parameters of anchor to displacement of excavation slope are elevated by computing using finite element method simulation, and the optimal scheme of anchoring parameters including length of anchors and space between bolts and thickness of shot concrete are defined. finally, the optimal scheme of anchor parameters are determined with considering results of theory analyse and numerical calculation, which provide theory bases for engineering
為了有效防治邊坡開挖后巖體的鬆弛變形，根據錨桿的作用機理對影響錨固效果的主要因素進行分析，並利用處理多因素試驗的科學方法?正交設計原理，以有限元數值計算為手段，以有效約束邊坡開挖位移為標準，評價了錨桿長度、錨桿間距、混凝土噴層厚度等錨固參數對邊坡變形的影響大小和規律，經過比較分析最終提出了錨固參數的優化設計方案，為工程設計提供了理論指導。By studying the principal types and character of the rocks and soils in fengjie section, the structure of reservoir bank and its combination types and the developing and distributing status of the reservoir bank ' s deformation and breakage. reservoir bank in fengjie section, which is 10. 352 kilometres long from lijia big valley to laolongdong valley, is systemic classified as 12 engineering and geology subsections. the reservoir bank being composed of rock slope is 2142 kilometres, 20. 7 percent of the whole reservoir bank
通過詳細研究庫區巖土體的基本類型及特徵、庫岸結構及其組合類型和庫岸變形破壞發育分佈狀況，對奉節新城區庫岸10 . 352km段進行了系統的工程地質綜合分段，從李家大溝至老龍洞沖溝劃分了12段，其中巖質岸坡庫岸長度2142m ，占整個庫岸段的20 . 7 ；土質岸坡庫岸總長度8210m ，占整個庫岸段的79 . 3 。Through systematic incorporation of various psychological and physiological equipments, this paper finds out : 1 ) available experiment equipments and their adaptive range, which represents the groundwork for asserting distinct analytical method for roadway design ; 2 ) the classification of data though fuzzy clustering based on speed consistency ; 3 ) the correlation between drivers ’ psychology activities and their heart rates ( in this case, through qualitative analysis, the research verifies heart rates as an typical indication of the driving behavior ) ; 4 ) the correlation between roadway alignment and fluctuation of heart rates ; and the issuing of preliminary threshold value of level of intension of driver ( through quantitative spectrum
本文在大量行車實驗數據的基礎上，分析得到: 1 ）在半徑大於某一定值的路段上行駛時，駕駛員的心率變化率與坡度、坡長和運行速度均有關系，其中速度對心率變化率的影響最大。 2 ）坡度相同的條件下，速度越大，駕駛員心率變化率越大;速度相等時，坡度越大，駕駛員心率變化率越大; 3 ）上坡時駕駛員的心率變化率與坡長關系不大，主要受坡度和速度的影響;下坡時，坡長、坡度分享友人