span-depth ratio 中文意思是什麼
span-depth ratio
解釋
跨高比-
For reinforcement concrete corbel with the shear span to depth ratio ( a / ho ) less than 1, has its performance of mechanics that is close to cantilever deep beams, it is an important kind of components in architectural structure which sustains roof trusses, brackets, tray " beams, frame " beams, wall " beams and crane " beams
剪跨比a h _ 0 1的短鋼筋混凝土牛腿，其受力性能接近於懸臂深梁，在建築結構中是支承屋架、屋面梁、托架、托架梁、框架梁、墻梁和吊車梁等的重要構件。 -
Based on the research of influenced parameters on constant and varying depth solid web box girder before, the shear lag aroused by the parameters including width - span ratio, outstanding flange on base slab and the position of the tendons are further studied. the investigation show that shear lag values diminish along with the decease of width - span ratio and the departure from the symmetrical axis of anchor position, but outstanding flange is contrary to the former
在前人對等截面、變截面實腹箱梁剪力滯效應影響參數研究的基礎上，本文進一步對腹板開孔的連續箱梁的寬跨比、底板翼緣伸出以及預應力錨固位置改變等參數對箱梁剪力滯的影響進行研究。 -
It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between
在公式推導的基礎上，結合相關試驗資料，研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度（雙折線型體外筋的情況）以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。 -
Table 4. 1 for three-point bend specimens shows that the ratio of support span to specimen depth has a small but definite effect on the results.
表41的三點彎曲試樣表明，支撐跨距對試樣高度的比值對試驗結果有微小而又確定的影響。 -
With the increase of the pile quantity of wharfs, the dimension of pile caps and the depth - span ratio of beams increase gradually
摘要港口碼頭基樁數量的越來越多，導致了高樁碼頭中樁帽尺寸和梁的高跨比逐漸加大。 -
4. as for the design of this kind of structure mentioned above, the thesis " ana1yzed " systematica1ly the inf1uence of the over1ay of the two - - way reinforcement on its u1timate. 1oad capacity, the deciding of such important factors as the depth - - span ratio and the rib spacing etc
針對周邊支承雙向密肋夾心樓蓋的設計，本文結合實例，較為系統地分析了兩向鋼筋重疊對樓蓋極限承載力的影響以及樓蓋高跨比、肋間距等參數的取值等問題，為該類樓蓋的設計提供參考。 -
Finite element simulate analysis of small span - to depth ratio coupling beams with special reiforcement
特殊配筋小跨高比洞口連梁的有限元模擬 -
However, for small span - to - depth ratio coupling beams are counter flexural deep beams restrained at their two ends and points of contraflexure at the center of the span, the rules of their carrying forces and deformation are not like common deep beams
但是，小跨高比連梁屬于兩端被約束，反彎點在跨中的反對稱彎曲深梁，其受力和變形規律不同於一般深梁。 -
In china code for design of concrete structures ( gb 50010 - 2002 ), there are no design methods for coupling beams when the depth - to - span ratio is less than 2. 5, which is one of the critical problems of the code for design of concrete structures unsolved
並且新頒布的《混凝土結構設計規范》 （ gb50010 ? 2002 ）也沒有針對跨高比不大於2 . 5的連梁提出具體的設計方法，小跨高比連梁的設計仍是有待通過試驗研究來澄清的問題之一。 -
At this background, though coupling beams with the small ratio of the span to depth have no sufficient test results, in order to satisfy the needs of engineering design, the code for design of reinforced concrete high - rise structure ( jgj3 - 2002 ) still adopt the design method of decreasing the maximum shear force and increasing the quantity of stirrups. but in china code for design of concrete structures ( gb 50010 - 2002 ) the content of seismic design methods for these kinds of coupling beams continue to be blank
在這一背景下， 《高層建築混凝土結構技術規程》 （ jgj3 - 2002 ）為了滿足工程設計需要，對小跨高比連梁在沒有充分試驗結果的情況下，仍採用降低最大作用剪力和提高箍筋用量的設計方法（雖然這種方法已被國外試驗證明在跨高比小於1 . 50的連梁中是肯定不能保證延性要求的） ，而《混凝土結構設計規范》 （ gb50010 - 2002 ）則把這部分內容繼續留作空缺。 -
Until now, the domestic and overseas scholar has studied the factors that have effect on performance of steel fiber reinforced concrete corbel such as shear span to depth, strength of concrete, reinforcement ratio ( including longitudinal reinforcement and stirrup ) and ratio of horizontal to vertical load. for calculating the cracking load, and ultimate load domestic and foreign scholar has brought forward a series of calculative formulas and methods have been put forward that based on statistical analysis, flexural model and truss model
到目前為止，國內外學者已研究了剪跨比、混凝土強度、配筋率（包括縱向鋼筋和箍筋） 、水平荷載與垂直荷載之比等因素對鋼筋鋼纖維混凝土牛腿受力性能的影響，對牛腿的抗裂計算和承載力的計算，國內外學者曾提出了基於數理統計分析、彎壓模型和桁架模型等的一系列計算方法和計算公式。 -
Abstract : based on the systematic analysis of the shear behavior for r. c. beams, the tests of 11 simple supported beams under the top concentrated loads and the uniform loads are supplemented. the prime variable is shear span ratio, span depth ratio, horizontal web reinforcement ratio and vertical web reinforcement ratio. according to the test results, the working behavior, the prime shear failure modes, the effect of concrete and web reinforcement ( horizontal web reinforcement and vertical web reinforcement ) and other aspects of r. c. beams are analysed. the uniform calculation method for shear capacity of deep beams, short beams and shallow beams for practical is presented
文摘:在對國內外鋼筋混凝土梁的受剪性能進行較系統分析的基礎上，補充了11根鋼筋混凝土簡支短梁在頂部集中荷載和均布荷載作用下的試驗，試驗梁的主要變化參數為剪跨比、跨高比、水平腹筋率和垂直腹筋率.根據試驗結果，對試驗梁的工作性能、主要的剪切破壞形態、混凝土項的抗剪作用、抗剪腹筋（包括水平腹筋、垂直腹筋）的作用等進行了較為深入的分析，提出了可適用鋼筋混凝土深梁、短梁和淺梁相互協調的受剪承載力的統一計算方法 -
In - plane stability performance of portal frame structures with different ratio of depth to span
均布荷載作用下門式剛架的平面內穩定性能 -
Its test specimens are four hollow shear wall of reinforced concrete, which have the different the ratio of shear span to effective depth of section and the ratio of axial compressive force to axial compressive ultimate capacity of section
本課題為鋼筋混凝土空心剪力墻抗震試驗研究及非線性有限元分析，課題的對象為四片不同軸壓比以及不同剪跨比的鋼筋混凝土空心剪力墻板。 -
First, it studies the static experimental study on hollow shear walls of reinforced concrete. its aim is to know hollow shear - walls " performance whose ratio of shear span to effective depth of section is between 1 with 2, based on the studies of ones whose ratio of shear span to effective depth of section is between less than 1. by low - cycle and reverse horizontal loading test, their properties, including with strength property, deformation property and energy property, are studied
本課題的試驗目的是在先前所做的剪跨比小於1的低矮鋼筋混凝土空心剪力墻的基礎上，對剪跨比大於1且小於2的中高空心剪力墻有一系統的認識和了解，通過試驗掌握中高空心剪力墻在低周反復水平荷載作用下的強度、變形、能量方面的特徵。 -
For the purpose of the architecture, sometimes depth - to - span ratio of coupling beams is very little, so coupling beams are subjected to great moment and shear, and distribution of stress and strain is very complex
由於建築構造，常有可能出現跨高比較小的洞口連梁，連梁在地震作用下會同時受到很大彎矩與剪力，其受力狀態十分復雜。 -
Table 4. 1 for three - point bend specimens shows that the ratio of support span to specimen depth has a small but definite effect on the results
表4 1的三點彎曲試樣表明，支撐跨距對試樣高度的比值對試驗結果有微小而又確定的影響。
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