載重比試驗 的英文怎麼說
中文拼音 [zǎizhòngbǐshìyàn]
載重比試驗
英文
bearing ratio test- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 載重 : load; carrying capacity
- 試驗 : trial; experiment; test
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The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus
本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。Nowadays, the ways to detect the piles are various, and all of them are limited in some aspects. for instance, coring test do large scathe on the piles, and static load test will waste much time, money and energy, while some ways are hard to operate as the limitation of the length and the diameter of the piles, and the special condition on the spots, such as high - strain, low - strain, and so on. furthermore, the result can only be gained under the complex analysis of the collected wave, and under the validation of the coring test
目前,工程中常用的樁基檢測方法很多,但都存在著一些弊端:有的對樁破壞性嚴重,例如抽芯檢測;有的耗時、耗財、耗力,例如靜載荷試驗;還有的如低應變、高應變等檢測技術由於受到樁長、樁徑以及現場一些特殊情況的限制,操作很不方便,而且採集到的波形要經過比較復雜的處理分析方能得出結論,而這個結論卻還要輔助取芯手段加以驗證。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。Through developing the comprehensive experiment device with large - scale drum strength and stability, the stress - measuring experiments of various wall thickness of the normal drums of the cranes were performed. the law that the stress of the drums along the circumference and along the axis changes with the load increase of the wire ropes was studies for the first time
通過研製全比尺大型捲筒強度、穩定性綜合試驗裝置,對起重機常用規格的捲筒進行了各種壁厚條件下的應力測量試驗,首次對捲筒體周向和軸向應力隨鋼絲繩逐步加載過程變化的規律進行了研究,發現最大應力產生在鋼絲繩繞過后3 ~ 5圈截面處,該現象與理論分析結果也是符合的。The confirmation also provides foundation to study superposed structure flexual member. 4 ) according to basic equations of strength of concrete, the study of concrete superposed flexural member at ultimate state emphasis on relationship between ultimate load and design parameters - am and ah. contrast with the test results and principles in code gb50010 - 2002, proposal and design method have been tabled
4 )根據混凝土力學的三個基本方程,針對混凝土疊合式受彎構件承載力極限狀態的受力性能進行分析,著重分析疊合式構件的極限承載力與疊合式構件的兩個設計參數( _ m和_ h )之間的關系,並參照已有的試驗結果對力學分析的結果進行了對比。In this paper, a numerical simulation is conducted, which is based on the test data of the model experiment of sloping ground with the help of the marc program. when the bearing capacity characters of level ground and the foundations adjacent to or above slopes are analyzed, the effect is considered, which includes deformation moduli, density, poisson ratio, angle of internal friction, stress - strain relationship, slope angle, relative distance from the edge of slopes and relative depth of footings
本文利用斜坡地基模型試驗的試驗數據,用marc軟體進行了斜坡地基模型試驗的數值模擬,分析了平地地基、臨坡地基和斜坡地基的承載力特性,研究了變形模量、容重、泊松比、內摩擦角、應力應變特性、斜坡坡度、基礎的相對坡頂距及其相對埋深等因素對斜坡地基承載力性能的影響。In combination with the work of < the design and technical construction rules of flexible dolphin pier in port engineering > of designing institute of water transport of transport, the data of some typical experiments of domestic and international pile foundation were analysed emphatically. through comparion of the relation of p - y curves between single pile and pile group under lateral loading and lateral reciprocating loading, the experience formula of p - y curve of single pile under reciprocating loading role is put forward
本文結合中交水運規劃設計院《港口工程柔性靠船墩設計與施工技術規程》的編制工作,著重分析了國內外幾組典型的試樁資料,通過對比水平靜載單樁、群樁和往復荷載單樁p ? y曲線的關系,提出了往復荷載作用下的單樁p ? y曲線的經驗公式。Secondly, a ship undocking process environmental forces testing plan is made by using the orthogonal design theory. measuring the environmental forces with different wind, wave and current combination from 0 ? to 90 ? and analyzing and processing the data are finished by using the analysis of variance method. comparing the experimental results with the results calculated using the ocimf method, the reliability of using the ocimf method is testified
二、利用正交設計方法,制定了船舶出塢過程環境載荷測量方案,完成了船舶在出塢過程中從90到0過程中在不同風、浪、流組合下的環境外力測試和分析處理,利用級差分析方法,重點分析了風、浪、流以及方向對船舶出塢的影響程度大小,並把試驗結果和ocimf方法計算結果作了比較分析,驗證了ocimf方法計算結果的可靠性。And then in detail the paper explains the main technique in sliding construction, which includes jacking scheme, plan layout, assembly, transport and stacking of component, setting of sliding system, setting of track, conformation of falsework, traction facility etc. third, the paper researches on se veral key points which are sum - up about technics flow of sliding construction, the select of falsework by bearing capacity which was calculated through three methods, the theoretic discuss on auto - control, dynamic or static inspect and adjust
然後對其中的重點問題作進一步的討論,包括滑移法工藝流程的總結;對胎架的選型參考腳手架的計算,運用規范、軟體程序等三種方法進行受力特徵分析,與已有腳手架試驗結果進行比較分析,得出較為符合實際的胎架承載力值;對滑移過程中的自動控制及動、靜態控制監測等做出了應用分析和理論上的探討。Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given
最後,通過兩個工程實例的分析來說明本文模型的有效性和實用性:一是對berthiervill填土試驗場的軟基實測數據和理論成果進行對比分析,闡明考慮結構性擾動和粘滯性效應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井超載預壓工程進行數值模擬,指出停荷預壓期間下臥層孔壓增加和工后沉降大的原因。According to our experimental investigations of varying load amplitude, it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles, the ratio of peak value of overload to that of the regular cycles should be over at least 1. 35 to make the retardation taking effect. the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc. )
本文試驗分析了變幅載荷對裂紋擴展的影響,證實了有機玻璃也存在超載遲滯現象,通過金相觀察分析,提出超載遲滯的過程實際上是裂紋前緣萌生新的裂紋的過程的觀點,同時提出超載遲滯的合理的解析,並且給出超載遲滯比,為隨機載荷下疲勞擴展模型的建立提供了一個重要的參數。Abstract : artifical intelligence methods are implemented to simulate thebehaviors of axially and laterally loaded piles using the field observation tests data obtain ed f rom the drilled shafts and driven piles. the optimal neural network model is deve loped using only simple input data of spt - n values and piles ' geometrical featu r es etc. the analysis for r. c piles of some projects is performed adopting the bp n n and grnn models respectively, and the obtained predicated results are compared w ith the data from conventional design method. it demonstrated the obvious advanta ges of neural networks in the design of pile foundations over the traditional me thods. this paper has an important practical significance and a referential worth iness in the design of pile foundations
文摘:根據鉆孔樁和打擊樁的原型試驗觀測的數據,運用人工智慧方法對橫向承載樁和軸向承載樁的工作特性進行模擬,並利用標準貫入試驗( spt - n )值和樁的幾何特性等簡單的輸入數據,開發出相應的優化神經網路模型;然後,運用反向傳播神經網路模型和廣義回歸神經網路模型分別對某工程的鋼筋混凝土樁進行分析,並將求得的預測結果與常規設計法的結果進行比較,結果表明神經網路方法比傳統方法有明顯的優越性,在實際工程設計中具有重要的參考價值和現實意義。Third, a solid lubricant embedded 40cr - ptfe bearing and a bronze c86300 - ptfe bearing were prepared. the comparatively tribological tests were performed in an oscillating sliding tribotester. the conditions were a contact mean pressure of 80 mpa, an oscillating frequency of 0. 13 hz and relative humidity of
選擇40cr - ptfe鑲嵌型軸承與高強銅合金c86300 - ptfe鑲嵌型軸承在nh - 100型重載擺動摩擦試驗機上進行對比摩擦試驗,試驗條件為:承載壓強80mpa 、擺動頻率為0 . 13hz以及相對濕度為( 60 3 ) % 。As a result the relatively reasonable basic data is designed and mathematics model on the firing effectiveness is established. then the c language program is used to solve the model and reasonable data index and relative theory on the basis of the large number of the simulation computation of the set target are obtained. the paper creatively puts forward the theory of the ship - borne artillery terminal guided projectile system and establishes the mathematics model to evaluate its firing efficiency, and creatively discusses the use of the terminal guidance system in the sea - crossing and island - landing battle, providing a theory basis for the future military struggle against taiwan
本文的研究針對末制導炮彈這種新型的精確制導武器系統的特點,以炮兵射擊理論為基礎,以現代戰場上重要的點目標和集群裝甲目標為研究對象,設定了比較合理的基礎數據;建立了射擊效能的數學模型;採用統計試驗法,運用c語言設計計算程序對模型進行求解;對設定的重要目標,進行了大量的模擬計算分析,得出了比較合理的數值指標和相關結論;對其作戰應用進行了探討性研究,創造性地提出了船載炮發射末制導炮彈武器系統的新技術,建立了評定其射擊效率的數學模型;創造性地探討了末制導炮彈武器系統在渡海登島作戰中的應用,為未來戰場上我精確制導武器的使用,做好對臺軍事斗爭準備提供了理論依據。The inelastic finite element solution considering both large - deflection and plastic extension is used to analyze eccentric - loading columns in this paper. the stability capacity of different slendemess ration and eccentricity are calculated, the residual stresses and their influence upon the steel eccentric - loading columns are emphasizedly discussed, at the same time ten steel columns were achieved
本文採用大變形和塑性擴展的兩重非線性有限元方法進行偏心受壓柱子的全過程模擬,分析不同的長細比、不同的偏心率情況下柱子的穩定性能,並著重討論殘余應力對柱子承載能力的影響,完成了10根試件的試驗。Second, engine ' s partial velocity characteristics model and universal characteristics model are built the throttle opening is considered as an essential factor to build the model for reflecting the actual working performance of engine. the situation of the throttle opening change is studied, and a simulation method is given to use torque curved surface and vehicle dynamics equation on base of differential approach method. engine test software is developed for the engine no - load test, variable throttle opening test and throttle step change test
其次,建立了發動機的部分速度特性模型和萬有特性模型;為了更好的反映發動機的實際工作特性,將油門開度作為一個重要參數參與建模,並對發動機變油門的情況進行了研究;結合轉矩曲面和整車動力學方程,採用微區間逼近法確定了發動機變油門過程模擬方法;開發了發動機試驗測控軟體,利用該軟體進行了發動機空載響應試驗、發動機不同油門開度試驗和油門階躍變化試驗,並對實際試驗數據和數學模型計算數據進行對比;在vc + +平臺上開發了發動機特性模擬模塊,在系統中用軟體實現了變油門控制發動機特性的功能。Adopting the deformation harmony theory, the numeric calculation of the curve of load versus settlement is made. the fitting results between the calculated curve of load - settlement and the measured one of piles with different construction process are illustrated. hence, under the condition of few or no static load test data, the performance of bearing capacity of single bored pile in loess may be predicted utilizing indexes of shear wave velocity, static cone penetration test and modification coefficient of depth, so it is remarkable to reduce the blindness of preliminary design of pile
通過室內試驗及原位測試指標進行理論計算與現場實測值的對比,筆者引入了施工工藝修正系數k _ ( c1 )和k _ ( c2 )及深度修正系數,使理論計算值與現場實測值具有良好的一致性,進而通過變形協調理論對荷載?沉降曲線進行數值計算,並用不同施工工藝的實例說明了理論計算荷載?沉降曲線與實測荷載?沉降曲線的擬合效果,從而達到可在不做靜載荷試驗或少做靜載荷試驗的情況下通過剪切波速和靜力觸探試驗指標以及施工工藝修正系數等預測黃土地基中鉆孔灌注樁承載性狀,這對于工程初步設計中減少設計的盲目性具有十分重要的現實意義。This paper discusses the performance of load bearing under different boundary conditions by model test and finite element analysis. the x - side binding of the supporting surface connecting with up - side chord member of slice arch is the most important factor that affects membrane effect of the slab. the load bearig capacity of the slab with fixed end increased forty percent of the capacity of the simple - supported slab, because membrane effect of the slab with fixed end is remarkable
本文通過模型試驗和有限元分析,較深入地探討了在不同邊界條件下微彎板的受力性能,結果發現與拱片上弦桿連接的支承面有側向約束條件是影響微彎板的薄膜效應最重要的因素,當該支承面為固結狀態時,薄膜效應十分顯著,其承載力比簡支約束微彎板的承載力提高了約40 。In the pseudo static tests of the middle joint and border joint, the failure modes, the carrying capacity, the ductility, the hysteresis loops and the stress transfer mechanism of the src column and steel beam joints under seismic loads are researched, which are compared with rc beam - column joints and src beam - column joints
通過中柱節點和邊柱節點的擬靜力試驗,著重分析了勁性柱?鋼梁節點在模擬地震作用下的破壞形態、承載力、延性、滯回特性與應力傳遞機制,並與鋼筋混凝土節點、勁性混凝土節點進行了比較。Second, on the base of large scale integer building model tests, anti - seismic property of structure of multi - rib panel is analyzed, and is contrasted with the property of the masonry structure. the research reveals that buildings in structure of multi - rib panel make shear deformation mainly, whose failure process is similar to the single composite panel and the tests result shows that, contracted to masonry structure, carrying capacity of buildings in this structure is 1. 5 times and deformation capacity is about 3 times. in addition, thanks to the lower self - weight, the seismic response of the buildings is far lower than masonry structure
研究表明:多層密肋壁板結構房屋以剪切變形為主,破壞過程與單塊墻板相似;復合墻板與后澆隱型框架連接成整體結構,協同工作;傳統的底部剪力法適用於本結構體系的抗震計算;試驗結果還表明,該結構房屋最大承載能力是磚混結構的1 . 5倍,變形能力是磚混結構的3倍左右,而房屋自重比砌體結構減少1 4以上,地震反應遠低於砌體結構。分享友人