板底厚度 的英文怎麼說
中文拼音 [bǎndehòudù]
板底厚度
英文
minimum depth on filler and under filler-
Sedimentary control of coalbed methane in this region were expounded according to the control and influence of sedimentation on coal gathering action ( thickness of coal reservoirs, distributing and coal - bearing characteristics ), on forming and distributing, maceral, organic facies and coalfacies, cap formation types and their sealing capability of adjoining rock
根據沉積作用對聚煤作用(煤儲層的厚度、分佈及含煤性特徵) ,對煤儲層的形成與展布、煤巖組成、有機相和煤相、頂底板蓋層類型與封蓋性能的控制和影響,討論了沉積作用的控氣特徵。Critical thickness analysis of base plate gushing in cylindrical foundation pit with confined water
承壓水作用下圓形基坑底板突涌的臨界厚度計算公式Through analyzing on the different phenomena of gas pouring amount at different coal seam, different area at the same seam, different position at the same area, the coal thicknss, inclined angle, structure, roof and floor rock character and water content in coal est. geology factor are regarded as the main reason of effecting the gas pouring amount
通過對不同煤層,同一煤層不同區域,同一區域不同地點瓦斯湧出量有很大差異現象的分析,認為煤層厚度、傾角、構造、頂底板巖性、煤中水分等地質因素是影響瓦斯湧出大小的主要原因。When the energy converters and the thickness of the steel plate are settled, the attenuation speed of the repetitious pulse reflected wave from the underside is only related to the reflectivity of the reinforced concrete interface
在鋼板厚度和換能器確定的情況下,多次脈沖底面反射波的衰減速度只與鋼-混凝土界面的反射率有關。The results indicate that if the value of press stress is over certain figure, press stress and al plate ’ s thickness have little influence on sawtooth distortion for the same kind of sawtooth ; sawtooth distortion is well - regulated under static press, while it is irregular under impact press. bottom coating make great influence on bond strength of samples which can improve the value remarkably ; bonding mechanism of clad steel is mechanism of mechanical effect that sawtooth which is hooked occludes with al plate
結果表明:同種齒型,當壓應力大於一定的值時,壓應力和覆板的厚度對齒形的變化影響不大;靜壓下齒形變化比較規則,鋸齒頂端向一側彎曲成鉤狀;沖壓下齒形比較凌亂,鋸齒的頂端沒有明顯的變形;后處理對試樣的結合強度影響很大,打底試樣由於粘結層的作用,結合強度較高;機械作用機制是復合鋼板的主要復合機理,鋸齒彎曲成鉤狀和鋁板形成機械咬合。Catastrophic analysis on the thickness of consolidation for the water retarding formation at the bottom of shaft above the loaded water body
承壓水上井筒底板隔水層加固厚度的突變分析In this paper, an optimization design cad system of detached foundation of transmitting electricity iron tower has been studied. the system uses an easy and efficient method named grid search to find out the minimum cost of an detached foundation. at the same time, the depth and width of foundation, the width of column, the thickness of foundation plan have been ascertained
本論文研究開發的輸電鐵塔獨立基礎優化設計cad系統,以最小費用為目標,採用簡單、有效、易於編程的有約束非線性規劃方法? ?網格搜索法,對輸電鐵塔獨立基礎進行優化設計,確定出基礎埋深、基柱寬度、底板寬度、底板厚度等合理截面尺寸,並開發出計算、出圖一體化的優化設計計算機輔助設計系統。The wuhan university of technology and dongzhou sfrc inc bring forward lsfrc pavement together. lsfrc pavement is a type of new composite pavement by putting certain quantity of steel fiber in the bottom and top of the pavement
該路面是在普通混凝土路面板的底部和頂部一定厚度內撒布一定量的鋼纖維鋪築而成的路面,是一種新的復合路面形式。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。The next this text is based on the appearance theories, according to the characteristics that the temperature dispersion of super thick mass concrete planceer of high - rise building primarily is an even difference in temperature and an even constringency, suppose the level shears are line with the displacement, adopting a big physical volume concrete of planceer in flexibility foundation for plank computing model, from theoretically deducing the difference in temperature of mass concrete contracting should basic formula of dint, and analysis the crack rule and the influence factor of mass concrete temperature contract, and bringing up the theory calculation method about temperature stress of mass concrete and the biggest whole method that sprinkle the length, at the same time according to basic formula of the temperature stress of mass concrete and the concrete construction experience, bringing five technique measures to prevent the temperature crack of mass concrete
其次本文以唯象理論為基礎,根據高層建築超厚底板大體積混凝土承受的溫差主要是均勻溫差和均勻收縮的特點,闡述了大體積混凝土溫度應力理論計算的簡化方法和最大整澆長度的計算方法,同時根據大體積混凝土溫度收縮應力基本公式和大體積混凝土結構施工經驗,提出了防止大體積混凝土溫度裂縫的五項技術措施。最後本文以廈門郵電大廈3 . 5m超厚底板施工為實例,從大體積混凝土溫度應力計算、混凝土保溫材料厚度計算、混凝土配合比的確定,鋼筋工程、模板工程、混凝土的泵送和澆築以及大體積混凝土內部溫度的監測和後期養護等方面進行了理論應用。Shankou spillway project has many specific characteristics, for example, the gate frusta and weir body have equivalent thickness, the weir body is low and have corridor, the foundation of the weir body is " high - low foot " " and the side frusta is also used as retain wall. in view of the characteristics, to better analyze the stress distribution on weir body, gate frusta, the joints between gate chamber and weir body, under the condition that the gate chamber is applied with asymmetrical loads and complicated constraints, three dimensional finite element method is applied in this paper
本文針對山口溢洪道閘墩與堰體底板厚度相當,堰體為低堰且設有廊道、堰體建基面「高低腳」及邊墩兼作擋土墻等具體特點,在閘室設計中采山口水利樞紐工程溢洪道閘室三維有限元整體應力計算分析用三維有限元整體應力計算方法分析閘室的受力狀態,分析閘室在荷載不對稱。Taking advantage of hear forces current theory ? this paper deduces the formula of bending shear stresses, in which the influences of axial force, bending moment, variable section depth and the variable thickness of top slab, bottom slab and webs are taken into account
本文利用「剪力流理論」推導出了彎曲剪應力的公式,該公式不僅計及了軸力和彎矩對彎曲剪應力的影響,還計及了截面高度、頂板、底板及腹板厚度變化對彎曲剪應力的影響。The works included 24 bored piles of 2. 5 meters in diameter and 55 meters in depth, 500 meters long underground concrete diaphragm wall of 0. 8 meters thick and 25 meters deep, 450 pre - cast concrete pile of 0. 5 meters in diameter, 12 meters deep soil excavation with multi - layer post - tensioning shoring system, reinforced concrete pile caps and basement slabs
其工程內容包括了24支直徑2 . 5米,深達55米直入巖層的鉆孔樁,周長500米,深度25米,厚度0 . 8米的地下連續混凝土墻, 450支直徑0 . 5米預制混凝土樁, 12米深開挖,多層水平鋼支撐系統,混凝土樁承臺及地庫底板結構。Research on choosing minimal rock cover and analysing stability of xiamen subsea tunnel
廈門海底隧道頂板厚度選擇及其開挖穩定性分析3 - wire strands with tensile strength of 1570 mpa were collocated in the lower precast concrete slabs of superposed floor. the manner of reinforcement lap and other detailing were brought forward. plane dimensions of the tested floor are 9m and 12m, and height is 180mm
本論文通過對前期試驗的分析總結,選用1570mpa的三股鋼絞線作預制底板的預應力鋼筋,提出了合理的板側橫向鋼筋搭接方式和其它構造措施,並按照現行規范設計並製作了試驗結構,樓蓋平面尺寸9 12m ,樓板厚度180mm 。In upper level optimization, the thickness and geometry factors of composite skins and webs as well as other structural dimensions are taken as design variables. then, considering the behavior constraints and the side constraints, the structural mass is minimized by the mathematical programming technique. in lower level optimization, the mathematical programming technique or the genetic algorithm ( ga ) is used to search the practical stacking sequence of composite skins and webs to realize the given thickness and geometry factors from upper level optimization
底層優化設西北工業大學博士學位論文計以復合材料蒙皮和腹板等層合板各分層的厚度(或鋪層數) 、鋪層角和鋪層順序為設計變量,以層合板的幾何因子與頂層優化設計給出的最優幾何因子之間的誤差最小為目標,考慮層合板厚度和製造工藝性約束,採用數學規劃方法或遺傳演算法( geneticalgorithm ,簡稱ga )求出底層最優設計變量。In 1993, a formula for critical production rate of oil well in bottom water reservoir with partition board was proposed by dr
摘要1993年李傳亮提出的帶隔板底水油藏油井臨界產量的計算公式中不含油井打開程度的參數,即沒有考慮油井打開厚度的影響。And the best scheme among them has been proposed. in the last, with design opt of ansys, assigning roof plate ' s and base plate ' s thickness as design variables, making them meet the constraints of displacement of roof plate and base plate, and assigning the maximum stress of the structure as the goal function, the pile - boots structure has been optimized
最後利用ansys自帶的優化求解器designopt ,以對樁靴結構強度和變形影響較大的頂板和底板厚度為設計變量,在滿足重要部件?頂板和底板豎向位移的約束條件下,把結構的最大等效應力設為目標函數,採用一階優化方法,對樁靴結構進行了優化設計,並得到了最優解。Since the vertical stress distribution of coal and rock can reflect the risk of rock burst, the influence of hardness and thickness of coal seams with a hard roof and a hard floor on the vertical stress distribution of coal and rock was simulated
摘要在堅硬頂板和底板的「兩硬」條件下,對不同煤層厚度和硬度對煤巖體中的垂直應力分佈的影響,也即反映了對煤巖體中發生沖擊礦壓危險性的影響進行了模擬。By research done on a structural model with numerical calculation method, the effects of some factors, such as superstructure stiffness, thickness of raft, compressive modular constant of soil, suspended width of raft and raft concrete intensity, on the working behavior of thick - raft foundation are analyzed
然後,通過建立結構模型,用數值計算的方法研究了上部結構、筏板厚度、地基壓縮模量、筏板懸挑寬度和筏板砼等級五個因素對基礎沉降、基底反力和筏板內力的影響,分析了厚筏基礎的基本受力特性。分享友人