許容應力 的英文怎麼說
中文拼音 [xǔróngyīnglì]
許容應力
英文
allowavle stress-
Standard specification for maximum permissible thermal residual stress in annealed glass laboratory apparatus
在退火的玻璃實驗室器皿中最大容許熱殘留應力In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, at the same time, the effecting parameter has collected. the paper build the ann model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn. according to them, ann is applied in the construction control of prestressed concrete continuous bridge
本文以大橋成橋線形滿足設計要求和成橋內力控制在設計容許范圍內為目的，運用現代控制理論的思想，引用神經網路基本原理，詳細介紹bp神經網路的研究過程，從而建立預應力混凝土連續梁橋施工預拱度的神經網路模型，並詳細討論了模型的神經網路結點信息的提取，在工程實例的基礎上進行了數值計武漢理工大學碩士學位論文算，數值表明，將神經網路應用於預應力混凝土連續梁橋施工控制，獲得了滿意的結果，在預應力混凝土連續梁橋施工控制技術研究方面，具有方便有效、精度高的優點，具有良好的應用前景。By structural analysis and calculation for original highway structure without permeable layer, the critical modulus of base have been obtained which makes asphalt pavement fill different allowable stress criterion. by structural analysis and calculation for different highway structure with permeable layer, critical modulus of permeable base course are obtained to make asphalt pavement fill different allowable stress criterion. the paper also presents the tendency of structure response of different highway structure with drainable layers mainly depends on the thickness of asphalt pavement, the thickness and the critical modulus of permeable base
對于不設排水層的原路面結構，通過結構計算得出對應于不同的瀝青面層容許應力值時所需的基層臨界模量值；對于加設排水層的路面結構，通過結構計算得出對應于不同的瀝青面層容許應力值時所需的排水基層臨界模量值；加設排水層的路面結構的結構反應的變化趨勢主要取決于瀝青面層厚度、排水基層厚度和排水基層臨界模量值。The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact
軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到，仰斜式擋土墻基底偏心應力較大和軟基土地基容許承載力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻設計中有關計算參數的選擇、公式的選用應該注意的問題進行了研究，對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法，就其計算理論、設計驗算中各荷載的具體處理方法進行了較為細致的研究，提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法，並對有水情況下粘土等效內摩擦角_ d 、凸榫被動土壓力e _ p等在計算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化設計，得出了符合實際的結果，與其它重力式擋土墻形式進行比較，取得了明顯的經濟效益。Based on understanding of many practices of asphalt overlay on old cement concrete pavement in our country and rehabilitation of boai road in zhongshan city, this paper analyzes and studies the rehabilitation technology of old cement concrete pavement systematically, includes : ( 1 ) the assessment for structure characteristic of old cement concrete pavement a correct assessment for pavement distress and structure characteristic of old cement concrete pavement before overlay is the stick point of preventing reflection cracking and guarantee the success of rehabilitation, which requires understanding how the structure characteristic of old pavement effects the stress and reflection cracking of the asphalt overlay
本文在調查了解國內許多舊路改造實踐工程的前提下，基於中山市博愛一路的改造實踐，對舊水泥混凝土路面瀝青罩面改造進行了系統的分析研究。主要的研究內容包括： （ 1 ）原有路面結構性能的評估在瀝青混凝土加鋪罩面之前對舊水泥混凝土路面的損壞情況和結構狀況進行正確的評價是解決反射裂縫和保證加罩成功至關重要的一環，其前提就是要了解舊水泥混凝土路面的結構特性對瀝青罩面層中的應力和反射裂縫的影響。Allowable contact unit stress
容許單位接觸應力The original emm is adjusted. the new emm not only retains the simple expression, but also has a satisfied precision for calculating the restraining stress of the scc walls. the shrinkage compensation coefficient y is proposed for quantitatively estimating the effectiveness of die expansion at early age compensating the shrinkage at later stage
基於以上認識，修正了原有的等效模量法，將總約束應力表示為早期膨脹和後期收縮兩個單調變形過程引起的分項應力之和，在保留其簡單形式的同時，使之在容許誤差下，適用於補償收縮混凝土墻的約束應力計算。Local buckling capacity of steel composite beam subjected to combined bending, shear and patch loading is one of key problem in steel structures design. the computational formula for local stability of web was based on the assumption of infinite - elastic perfect plates in the steel structures design code ( gbj17 - 88 ). but in the revised code ( gb50017 - 2003 ), this formula was made big change with reference to british code ( bs5950, partl ) and australian code ( as4100 ), the related research result of our country was included as well. in the modified formula, influence of early geometric imperfection and elastic - plastic buckling stage were considered, which is compatible with both actual circumstance of engineering and the strength formula of beams under bending stresses ( considering partial plasticity of the section ). in this paper, the preceding problem is deeply analyzed and studied, considering the effects of various geometric parameters and stress combinations on buckling critical stress of web, the revised local buckling correlative formula for transverse and longituded stiffened web panels under combined stresses is analyzed and verified by finite element method
組合鋼梁腹板在彎、剪及局壓復合應力作用下的局部屈曲承載能力是鋼結構設計中需考慮的問題，新的《鋼結構設計規范》 （ gb50017 ? 2003 ）對此部分內容作了較大改動，原規范中關于腹板局部穩定的計算公式是基於無限彈性的完善板假定；新的規范則參考了英國規范（ bs5950 part1 ）及澳大利亞規范（ as4100 ）並結合我國相關研究成果，考慮了屈曲進入彈塑性階段以及初始幾何缺陷的影響。這不僅與工程實際情況相符，而且也與鋼梁在彎曲應力作用下允許截面部分進入塑性的計算公式相協調。Allowable torsional stress
容許扭應力However, the pre - stressed anchor cables on the upper part of the piles make the whole stabilizing system like freely supported beams or some other h yperstatic structures. with the number of restraints increasing, it makes much easier to control the displacement of the piles and to reduce the bending moments and shearing forces along the piles to a certain extent
增加預應力錨索后，整個結構體系接近簡支梁或其它超靜定結構，隨著約束的增加樁身的位移控制變得容易許多，同時樁身內力值也在一定程度上減少較多。Safe allowable stress
安全容許應力Allowablebuckling unit stress
容許單位扭曲應力In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, genetic algorithms is applied in the construction control of prestressed concrete continuous rigid frame " bridge. it is successful for used in caidian bridge in wuhan. on the bridge construction control technique, attempted a new method
本文以大橋成橋線形滿足設計要求和成橋內力控制在設計容許范圍內為目的，運用現代控制理論的思想，將遺傳演算法應用於預應力混凝土連續剛構橋施工控制，獲得了滿意的結果，在預應力混凝土連續剛構橋施工控制技術研究方面，進行了一種新的嘗試。Yili capacitive touch screens are the first choice for many industries
意力電容觸摸屏在許多應用領域均是首選的觸摸屏。In harsh climate region, mere exists obvious local stress concentration near the upstream and downstream of the exposed - in - winter horizontal surface of the rcc dam, and the surface of spillway bucket though heat insulation is applied on the surfaces, tensile stress still exceeds the allowable one of concrete. this paper puts forward to adopt preset crack to avoid occurring more cracks. the special crack model is applied to simulate the dam preset crack, and the joint model of fracture mechanics is induced into strain - soften model
在結構措施方面，針對嚴寒地區高碾壓混凝土重力壩壩體越冬層面的上、下游面附近及溢流壩堰面反弧段表面有明顯的局部應力集中象現，在已採取一定的表面保溫防護的條件下，拉應力仍然超過混凝土容許拉應力，開裂難以避免，進而提出設置碾壓混凝土壩表面預留縫結構措施並對該措施進行深入研究，包括預留縫的擴展穩定和壩體沿預留縫的穩定性，以避免大壩在無措施部位開裂，解決大壩越冬層面水平施工縫的開裂問題。Allowable flexural stress
容許彎曲應力Allowable twisting unit stress
容許單位扭轉應力Allowable bond unitstress
容許單位結合應力" allowable stress design. " aisc manual of steel construction
容許應力設計見《 aisc鋼結構手冊》 。Allowable tensile stress
容許拉應力分享友人