側壁強度 的英文怎麼說
中文拼音 [zhāibìqiángdù]
側壁強度
英文
side wall strength-
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。By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並對氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變氣體的氣路是非常有效的,模擬值與實驗值基本得到吻合。The change of the micro - hardness along the radial direction approximately coincides with the exponential decay, that is at the edge of the crater the hardness is the highest and decreases with the increase of the distance from the crater and to the normal value at last
彈孔側壁硬度的徑向分佈近似符合負指數規律,即在緊鄰側壁處,材料因劇烈變形而強化,隨到側壁距離的增加,硬度值降低,直至降到基體材料硬度水平。According to the fea model of 110, 000dwt oil tank, the distribution of the stresses of the model in more than ten kinds of load cases is calculated. the structural strength of the ship is assessed. the buckling assessment of the main ship plating such as the deck, bottom, side shell, inner shell, longitudinal and transversal bulkhead is undertaken
針對各種規定的計算載荷工況,對該船船體結構進行了強度校核。並對其主要的船體板如甲板、底板、舷側、內殼和縱橫向艙壁板等板格進行了平板屈曲校核。The shear strength increases by 3 - 6 times after improvement through vane shear test and the resistance increases largely through cpt. the soft foundation treated by vacuum combined with surcharge preloading is very effective. second, the mechanism and some problems of vacuum combined with surcharge preloading were analyzed
通過十字板剪切試驗與靜力觸探試驗,加固後土體的抗剪強度一般可提高3 6倍,錐尖阻力與側壁阻力也有大幅增長,說明真空聯合堆載預壓加固軟土地基的效果顯著。Aiming at reducing the roughness of the sidewalls in the manufacturing of the pmma liquid pool by co _ 2 lasers, in the hypothesis that the intensity of the laser has a guassian distribution, the temperature distribution in slab material with limited thickness is studied according to traditional thermal conductive formulas, and the condensing progress of the melted surface of sidewalls is researched. it is concluded from the discussion of temperature distribution that the air bulbs is the major reason for the roughness of the sidewalls
為降低co _ 2激光加工pmma材料儲液池側壁粗糙度,本文根據傳統的熱傳導方程,假定激光強度為高斯分佈,對有限厚板狀材料的溫度場進行分析;並考察側壁表面熔化層凝固過程的特徵;結果表明,側壁粗糙度形成的主要原因在於側壁表面熔化層凝固前氣泡未及時析出。Tunnel vault and the surface of the side wall, play a firing prevention and heat insulation protecting roles, prevent the armored concrete reducing its intensity when the temperature rapidly heating up because of fire, avoid the tunnel from exploding and protect effectively the lining reinforcing steel bar not to lose supporting capacity so as to avoid the tunnel collapsing
隧道防火塗料塗噴在隧道內的拱頂和側壁的表面,起防火隔熱保護作用,防止隧道內鋼筋混凝土在火災中迅速升溫而降低強度,避免混凝土炸裂、有效保護襯內鋼筋不會失去支撐能力而避免隧道垮塌。There are a lot of advantages when inner trachea applied in air pre - heater, such as the improvement of the temperature of pipe, the low consumption of metal, except for the increment of flow resistance. according to many related papers, it is more proper inner trachea with the structure of short distant between two whorls and shallow depth of whorl. it can enhance heat transfer with smaller flow loss
內螺紋管是一種異形管,和光管相比,管內側的換熱系數大大增強了,應用於空氣預熱器可以起到提高總傳熱系數、節約受熱面金屬消耗量的目的;同時提高了管壁溫度,能夠減輕低溫腐蝕的程度和速度;不足之處是帶來了更大的阻力損失。On the basis of detailed comparison and analysis, the paper proposed ways of using the k2 bogie and hdsa light - duty solid wheel, getting through the partition wall, canceling the longitudinal sill of the roof and decreasing the thickness of the board where the value of stress is low, using high intensity steel, increasing section dimensions of center sill and side sill, to improve the whole carrying capacity
本文在比較分析的基礎上,提出了裝轉k2轉向架,採用hdsa輕型碾鋼輪,打通隔墻,取消車頂縱向梁,在應力小的部位減薄壁厚的減重對策;採用高強度耐候鋼,加大中梁、側梁的截面尺寸等措施,提高車輛的承載能力。The simulation and experiment result indicate that the dual pole tool weakens the electric field at the side wall of the machined hole and hence leads to the reduction of hole taper and the improvement of the machining accuracy
模擬計算和加工試驗表明,輔助陽極可以顯著減弱孔側面間隙區域的電場強度,從而有效地抑制發生在側壁的雜散腐蝕,減小孔錐度,提高加工精度。分享友人