空心截面 的英文怎麼說
中文拼音 [kōngxīnjiémiàn]
空心截面
英文
hollow section-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。The capacity of normal section for high - strength concrete members
鋼筋混凝土矩形空心截面偏心受壓構件正截面承載力計算Calculation and research of normal section strength of prestressed concrete skew hollow slab
預應力混凝土斜交空心板正截面強度計算研究The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last
採用兩個光電探測器分別檢測光束不同高度上的兩個光斑，在確定光斑中心最大光強值后，根據光斑截面尺寸的1 / e2定義，得到光斑截面邊界點的光強值，並以其為標準判定光斑截面的邊界點，對探測到的邊界點通過最小二乘法進行擬合，得到橢圓光斑截面的方程，根據空間幾何關系求出發散角。In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam
同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸，測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強，實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小，且分佈近似貝塞爾分佈，符合無衍射光束的特性;經過聚焦后，呈現三維分佈中空的光束bottlebeam ，實驗結果與理論分析基本吻合。A precise solution for torsion of bars with hollow elliptical cross section
一類橢圓截面空心柱體扭轉的精確解Hot finished structural hollow sections of non - alloy and fine grain structural steels. part 2 : tolerances, dimensions and sectional properties
非合金熱精軋結構空心型材和細晶粒結構鋼.第2部分:公差尺寸和截面特性Based on the wall temperature of hollow wire, the further calculation program has been given. it account for the complexity of the stator ' s structure and can be used in the calculation of the temperature distributions in arbitrary cross section of windings
在空心導線壁溫分佈計算方法確立的基礎上，充分考慮到定子線棒結構的復雜性，採用有限差分的方法編制了通用性較強的線棒截面溫度分佈計算程序。Indicated from the results : influenced by geometric parameters analyzed above, the effect on tube filler hollow floor is similar with box filler hollow floor ; though differing from section properties between these two structures, the bear bending rigidities in the two perpendicular directions are almost the same
結果表明:薄壁筒芯空心樓板受以上分析的各幾何參數的影響效果與薄壁箱體空心樓蓋很相似;雖然兩種結構的截面特性不同，但抗彎剛度在兩正交方向基本相同。Study on the hollow anti - sliding piles of reinforced concrete
鋼筋砼空心截面抗滑樁的研究Vibration analysis and fem model of hollow circular beam with constrained damping layer
圓形空心截面約束層阻尼梁整體單元建模與振動分析Calculation of reinforced concrete member ' s strenght with hollow rectangular section under eccentric compression
鋼筋混凝土矩形空心截面偏心受壓構件強度計算探討Polyacetale hollow rods of circular cross - section ; dimensions
聚縮醛樹脂圓截面空心棒.尺寸The author, applying the program of ansys, built a nonlinear model of rc bi - direction cellular slab, and, from the comparison of equivalent - span and equivalent - thickness solid plate, drew several important conclusions. meanwhile he also pointed out that the stiffness of cellular slab would become weaker because of the holes of cross - section which make the tare weight 40 % down comparing to solid plate, but if the weakness of tare weight was considered, the cellular slab still remained the excellent features of integration and stiffness, by which the cellular slab can be put into use of large - span
本文利用有限元程序ansys ，建立了鋼筋混凝土雙向空腹板的非線性計算模型，並和等跨等厚度實心板進行分析對比，從而得出了一些重要結論，指出：在空腹板自重比實心板減少40左右後，空腹板的剛度雖然由於截面的開孔而削弱，但考慮自重減少后，空腹板仍表現出整體性好、剛度大的特徵，從而實現較大跨度樓板的工程應用。Parametric analysis was performed on the influences of bearing capacities of the composite members by fiber element method. the selected parameters were hollow section ratio, steel ratio, strength of the materials, etc. simplified models were derived for the member capacities of the composite beam - columns
用纖維模型法系統地分析了截面含鋼率、空心率、鋼材和混凝土強度等因素對構件承載力的影響，提出了軸壓、純彎和壓彎構件承載力的實用計算方法。By introducing the structural design features of large - span prestressed hollow plate with cast - in - situ concrete of shooting gym for beijing olympic games, it is expounded section determination of the hollow plate, and is also described some structural measures and construction requirements
摘要通過介紹奧運射擊館工程中，大跨度現澆混凝土預應力空心板的結構設計特點，闡述空心板截面形式的確定，並且對一些構造措施和施工要求進行說明。The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation ， uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction
但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難；塔柱多為空心變截面，且為高空作業，給模板工程及預應力張拉帶來一定困難；支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫；索塔施工偏位會引起的承臺和基礎的附加應力，對加勁梁的架設影響大；懸吊結構未完體系（架設時）施工階段的風致振動往往影響到施工的安全和質量；實心塔柱部分體積較大，易產生溫度裂縫。Cold form welded structural hollow sections of non - alloy and fine grain steels. part 2 : tolerances, dimensions and sectional properties
非合金細晶粒結構鋼的冷成形結構空心型材.第2部分:公差.尺寸和截面性能Hot finished structural hollow sections of non - alloy and fine grain steels - tolerances, dimensions and sectional properties
細晶結構鋼和非合金熱軋空心型材.公差尺寸和截面特性分享友人