驗算荷載 的英文怎麼說
中文拼音 [yànsuànhézǎi]
驗算荷載
英文
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It can be said that the solution to the space problem of limit load and the calculation of foundation bearing capacity for deformed groundwork have some academic and scientific value. the dynamic pile testing of foundation and batholith as well as deep well load testing system has been put into use in real work environment and gained some social and economic benefit
本文關于界限荷載的空間問題解答,考慮地基變形的地基承載力工程演算法具有一定的學術價值;本文中的地基(及巖基)承載力動測法及深井載荷試驗系統已在工程實踐中應用,並取得了較好的社會和經濟效益,具有一定的工程實用意義。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 analyzed interactions of combined limit pipe load components, simplified check formula for pipe load strength are put forward and the calculation method of relevant allowable pipe load values based on shell finite element analysis is presented as well
通過對組合極限接管載荷分量相互關系的分析,提出了接管載荷強度驗算簡化公式和以殼結構有限元應力分析為基礎的許用接管載荷計算方法。Based on the numerical simulation and accuracy analysis to previous slab ' s test with the ansys program, the study of composite wall, with various detail design under potential load action respectively or jointly is carried on and the wall ' s atress behavior and failure mode is obtained, also the influence to wall ' s stiffness and bearing capacity by kinds of factors, including wall ' s shear span ratio, member ' s section, bar arrangement, etc. based on the hammer blow test and stiffness test, a 1 / 3 scale ten - bay model ' s modality parameter and elastic deformation characteristic is analyzed
在對密肋復合墻板運用ansys ~ ( ( ? ) )程序進行數值模擬、分析驗證的基礎上,對典型組合墻體在不同連接構造和不同荷載效應組合作用下的受力形態和破壞模式進行研究;計算分析了復合墻體剪跨比、邊框柱截面尺寸、邊框柱配筋大小以及墻板內肋梁肋柱配筋等諸多因素對密肋復合墻體承載力及剛度的影響,得出其變化規律。First, the generalized elastic theory is employed into in single pile analysis. the degeneration solution is accordant with poulos " results. analyzing the load - displacement behavior of the battered pile, the results agree well with meyerhof ' s model experiments and zhanglm ' s centrifuge experiments
對于直樁,退化為彈性理論的計算結果同poulos的結果一致,退化為荷載傳遞法與他人的結果基本吻合;然後研究了斜樁的荷載-變形特性,把公式用於計算meyerhof的模型試驗以及zhanglm的離心機試驗的荷載-位移關系,發現同試驗結果吻合較好。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。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。In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。The deformation of the waffle slab can be calcu1ated by using the tab1es of two - - way so1id s1ab. but with a changing flexural rigidity coefficient, which was very c1ose to the test va1ue in the uncracked and cracked stages
根據試驗結果,用極限平衡法可以便捷和較為準確地求得雙向密肋樓蓋的極限平衡荷載;提出了利用雙向板表格計算雙向密肋樓蓋的變形。Lastly, with the fatigue equation, the paper establishes the fatigue stress coefficient which is used in the load stress calculation for lean concrete as undersurface of cement concrete pavement, and the structure coefficient of flexural tensile strength which is used in the flexural stress check for lean concrete as base of asphalt pavement
利用得出的疲勞方程,建立貧混凝土作為水泥混凝土路面下面層荷載應力計算的疲勞應力系數,以及作為瀝青路面基層時,進行層底彎拉應力驗算的彎拉強度結構系數。In this paper at last. the localized anti - collapsing effect of the cave depot of single aircraft under the explosive load is calculated and analyzed. the explosive result shows that 3d ripped steel plate and ribbed shell structure are effective to raise the capacity of anti - collapsing of the protective structures
對飛機單機掩蔽庫工程在爆炸荷載作用下,抗局部震塌效應進行了計算分析,模擬直接命中的爆炸試驗結果表明:鋼筋混凝土內襯三維波紋鋼板組成拱型復合結構,是提高防護結構抗震塌破壞的一種十分有效的措施。The precision of its calculating results has an direct effect on the design, construction and safe usage. in the typical calculation of the settlement of foundation, additional stress incurring by loading is calculated according to elastic theory which has the same characteristics in semi - indefinated space, the condesion of soil is decided by the condesion experiment of one - demension and the settlement is calculated by adding results of respective layer
地基沉降計算一直是困擾巖土工程技術人員的一個難題,其準確與否將直接影響建築物的設計、施工和安全使用。在經典的地基沉降計算方法中,荷載作用下地基中附加應力場是根據半無限空間各向同性彈性體理論計算的,土體壓縮性是根據一維壓縮試驗確定的,並採用分層總和法來計算地基的沉降量。A load - displacement full - process analyzing program of cfrp - confined rc eccentrically loaded columns is given. the computed results of load - displacement coincide with test results
編制荷載-撓度全過程計算程序對碳纖維布約束偏壓柱進行數值分析,程序計算曲線與試驗曲線吻合良好。2. the creep and the concretion of the soil under either the natural conditions or the external loads are considered to approach the actual impact. moreover, several settlement models and their computing methods are studied, including the simple theory method and the semi - theory & semi - experience method
2 .在自然狀態和外界荷載作用下,適當考慮土體的蠕變、固結等實際問題,從而更接近實際效果;分析比較了幾種沉降模型及其計算方法,主要為簡易理論法、半理論半經驗法等。This paper presents the experimental results of typical elements of field works such as reinforced concrete beams, fiber glass reinforced plastic honeycomb sandwich plates, flexible covers ; examines the interrelationship of the loads and deformation under the condition of large deformation ; obtains the laws governing the interaction of the medium and the structure ; solves the design and calculation problems related to shallow buried structures in soil
本文在對大量試驗資料進行整理和作了大量分析計算的基礎上,選取了野戰工事中有代表性的構件即鋼筋混凝土梁,玻璃鋼蜂窩夾層梁式板和帆布被復作為研究對象進行試驗研究。深刻地考察了大變形條件下荷載和變形之間的內在關系,進而掌握了介質與結構相互作用的規律,較好地解決了土中淺埋結構的設計計算問題。The plexiglass model test is carried out by two selective shape, the stress of each test operating loads was obtained in order to validate the correctness of the finite element modeling. in this paper, a regularity of shear lag effect of main sections in two kinds of box girder is given. as the foresight project of double - level - driveway continuous box girder, this research fully utilizes the space of box girder structure and flexural and torsional properties of high - depth box girder, which have innovative significance and applied foregroundin engineering
對所選擇的結構形式進行縮尺有機玻璃模型試驗,得到實腹連續箱梁和空腹箱梁在各種試驗工況荷載下的應力,通過換算分析,驗證了本文所建立的有限元模型的準確性,由此得到兩種箱梁各主要斷面剪力滯效應的變化規律。Dynamic test has been performed on three strengthened girders after they were being put into service. according to the measured data from the dynamic test and the calculated results of the proportion of the load distribution on steel diagonal braces and steel crane girders as well as the increased carrying capacity after strengthening in consideration of the principle of cooperative work between braces and crane girders, the feasibility, rationality, and economy of this strengthening scheme have been verified. this scheme can be applied extensively to strengthen crane girders system including concrete crane girders system hereafter
最後結合對已經加固施工並投產使用的3榀鋼吊車梁的現場實際動測結果,按考慮下部鋼斜撐與鋼吊車梁二者協同工作的原理對鋼吊車梁與下部斜撐之間的荷載分配比例以及加固后鋼吊車梁的承載能力進行了進一步的計算驗證和對比分析,論證了採用鋼斜撐方案加固已有鋼吊車梁的合理與有效性。The test for simulating load spectrum of bridge was done, comparison of the infered load spectrum by means of the electrical resistance changes of two fatigue life gage with the simulated load spectrum showed reasonably good agreement
進行了模擬橋梁荷載譜加載試驗,用雙疲勞壽命計電阻變化所推算荷載譜和模擬荷載譜基本一致,證明了方法的可行性。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。The efficiency of the pile group is about 0. 9. according to the geology of experiments, the results of presented method agree well with those of the experiments. this further proves that the generalized elastic theory is reasonable and reliable
根據原型試驗和模型試驗的地質條件,分別選擇計算參數,計算荷載一變形曲線,同試驗結果取得了比較好的一致,進一步說明計算理論和計算方法的合理性和可靠性。分享友人