梁抗彎試驗 的英文怎麼說
中文拼音 [liángkàngwānshìyàn]
梁抗彎試驗
英文
beam test- 梁 : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 彎 : Ⅰ形容詞(彎曲) curved; bent; crooked; flexuous; tortuous Ⅱ動詞1 (使彎曲) curved; bend; flex 2 ...
- 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
- 試驗 : trial; experiment; test
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Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值Through the dry and wet cycling experiment on unmarred beam and pre - cracked beam, the position of initial corrosion and influence of crack on the reinforcing bar corrosion are studied in this paper both the flexural bearing capacity performance and the material mechanical performance of the beams are studied on the test of full scale concrete beam a model of 3d fem is established to simulate the state of the actual full - sized rc beam and electronic accelerating test beams, computational results and test results are compared
通過對混凝土梁的干濕循環試驗,研究了在混凝土梁中的鋼筋初始銹蝕情況,以及不同寬度的裂縫對于鋼筋初始銹蝕的影響。通過對足尺銹蝕混凝土梁的試驗,研究了混凝土梁在海洋環境侵蝕作用下的材料性能的變化和抗彎承載能力的變化。The shear mechanism, failure mode, deformation capacity, bearing capacity and the reliability of the anchored angle steels of the wrapped steel concrete cast - in - site frame typical story exterior joints under the middle and high axial compression ratio ( n = 0. 3, 0. 5, 0. 6 ), the working performance, failure mode, and the shear capacity of top story joints under the crack moment, the hysteresis characteristic and the dissipation energy capacity of the test joints are all analysed based on the 1 / 4 model pseudo - static tests of five specimens of wrapped steel concrete cast - in - site frame exterior joints, which varied in axial compression ratio, distribution of the beam angle steels and the stirrup ratio
基於上述分析,本次試驗通過五個外包鋼混凝土邊節點1 4比例模型的偽靜力試驗,以柱的軸壓比、梁角鋼布置形式、配箍率等為主要參數,分析外包鋼混凝土現澆框架一般層邊節點在中高軸壓比( n = 0 . 3 、 0 . 5 、 0 . 6 )條件下,節點的抗剪機理、破壞模式、變形能力、承載能力和角鋼錨固的可靠性;分析了頂層邊節點在張開彎矩作用下的工作性能、破壞模式和抗剪承載力;分析了試驗節點的滯回性能和耗能能力。The basic theory and step of whole process analysis of reinforced concrete beam section flexural rigidity is stated, the realization program is worked out and the academic example is analyzed. 4. based on the static - state load test result of two practical projects, the application of the reinforced concrete beam system bridge structure disease examination and structure damage evaluation method is stated, and satisfaction result is gained
1 、綜述了當前混凝土橋梁結構檢測及損傷識別的各種方法體系,並簡要評價了各方法體系的應用與不足; 2 、論述了基於靜載試驗的梁分段剛度系統識別的基本原理,編制了實現程序,並進行了數值算例分析,提出基於本原理的梁橋結構損傷識別與結構評價方法體系; 3 、闡述了鋼筋混凝土梁截面抗彎剛度全過程分析的基本原理和方法步驟,編制了實現程序,並進行了相關算例分析; 4 、結合兩片工程實例梁的靜載試驗,詳述了梁橋結構損傷識別與結構評價方法的應用過程,得到了預期的效果。The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering
研究表明:本文研究的梁、板構件的延性比遠大於5 ;增加箍筋(鉤筋、分佈筋)含量,可以提高壓區混凝土剝落時的撓度;在適當的受壓筋、箍筋(鉤筋、分佈筋)含量下,可以忽略壓區混凝土剝落瞬間的承載力下降,從而大大提高構件的延性;受彎構件的寬高比對壓區混凝土極限應變的影響不明顯;受彎構件的裂縫間距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載力和變形計算方法是可行的。化爆試驗表明,高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。The results of experimental program clearly indicate that significant strengthening of reinforced concrete beams can be realized by bonding cfrp to the tension face of the beaxn, meanwhile the ductibility of beams decreased
觀察了加固後梁的破壞形式,對破壞形式進行了分析。試驗結果顯示:外貼碳纖維對梁的正截面抗彎能力有明顯提高,加固梁的剛度增加而延性降低。The passed - joint hypo - beam as the first line of defence organization against horizontal force ineluctably bear most curves during the first period under the seismic force, which ca n ' t be balanced by the pre - stressing force of the pre - stressed hypo - beam, therefore, the first crack will occur on it ' s end and at last develop into the plastic - hinge
2 、通過本次試驗,並結合他人的一些研究成果,我們應該可以認為邊梁扭矩對節點的受力性能是有利的。彎、剪、扭的受力機制並不會使節點的抗震性能有明顯的降低。Based on the results of experimental research, we can find that the construction method of joints zone are feasible and safe, the joints between concrete - filled steel tubular core columns and prestressed concrete beams have good ductility and good energy dissipation, and the concrete - filled steel tubular core columns can raise the shear strength of core area of joints and the bending strength of the column ends
試驗研究發現,針對該節點所設計的構造處理方式是可行的、安全的,鋼管混凝土核心柱與預應力混凝土梁框架節點有著很好的延性和能量耗散能力,由於柱為鋼管混凝土核心柱,大大提高了節點核心區的抗剪承載力,同時也使柱端抗彎承載力得到加強。Flexural performance of reinforced high strength specified density concrete beams
高強次輕混凝土梁抗彎性能試驗研究3. based on the bond test for 33 concrete specimens and gfrp and bending test for 15 beams strengthening with gfrp, surface preparation of concrete, type of epoxy adhesives, thickness of adhesives, hardening time of adhesives, cure condition after strengthening are considered, and the effect on concrete structures strengthening with gfrp causing by construction behavior was analyzed. 4
根據gfrp片材加固混凝土結構在施工中常涉及到的一些相關因素,如混凝土基層表面處理情況、所選用的粘結劑類型、塗抹粘結劑的厚度、加固的方式以及養護狀況,進行了33個混凝土試件與gfrp片材的剪切粘結試驗,並進行了採用gfrp片材加固的15根混凝土梁的抗彎試驗,分析了與施工性能相關的因素對gfrp片材加固混凝土結構效果的影響。Tests of flexural behavior of rc beams strengthened by bonding prestressed gfrp plates
板加固混凝土梁抗彎試驗研究This dissertation focuses on the systemic experiments and theoretical analysis on strengthening reinforced concrete beams with high - performance ferrocement. the main research content and achievements can be summed up in the following aspects : 1. experimental study on flexural strengthening of beams with ferrocement : based on the tests of sixty - three beams, the performance of beams flexural strengthening with ferrocement has been tested
本文對採用這種新材料加固的鋼筋混凝土梁進行了系統的試驗研究和理論分析,研究的主要內容和成果如下: 1 .復合砂漿鋼筋(絲)網加固混凝土梁抗彎試驗研究:在63根梁的試驗基礎上,研究了復合砂漿鋼筋(絲)網加固對混凝土梁抗彎性能的影響和作用。On the foundation of analysis a quantity of experiments and theory home and abroad, the paper give a calculation formula for the cross - section anti - bending limit load capacity of reinforced concrete beam. at the same time, the paper discusses the establishment of fatigue load chart for the bridge structure and presents its calculation of stress chart
2 、在分析國內外大量試驗研究和理論分析的基礎上,給出了碳纖維布加固鋼筋混凝土梁正截面抗彎極限承載力的計算公式,詳細闡述了等幅疲勞荷載和變幅疲勞荷載下橋梁結構疲勞強度的計算方法。Experimental study on concrete t - beams strengthened with carbon fiber reinforced polymer sheets on three sides
加固不同損傷度鋼筋砼梁的抗彎試驗Beams are researched, and the relation between strains of corroded re - bars and fatigue life of beams are obtained. the main research contents and conclusions are as following : 1. under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated
鑒于實際工程中大量存在腐蝕鋼筋混凝土結構承受反復荷載作用,但其力學性能研究不多的問題,本論文進行了銹蝕鋼筋混凝土梁抗彎疲勞試驗,研究了應力比和鋼筋銹蝕率對銹蝕鋼筋混凝土梁抗彎疲勞性能的影響,得出了銹蝕鋼筋的應變與構件疲勞壽命之間的關系曲線,主要研究內容及結論如下: ( 1 )在循環荷載下,混凝土殘余變形基本符合三階段變形規律,力學性能劣化,疲勞損傷積累。The experiment scheme has first proposed an idea to strengthen rc beams using hybrid frp sheet, which comes from cfrp sheet and afrp sheet
其次,本文還進行了11根纖維布加固混凝土梁的抗彎試驗研究,第一次採用了碳纖維布、芳綸纖維布混雜加固方案。The results of the bearing bending experiment show that the steel plates can be combined with original beams by the construction gum, which makes the steel plates bearing bending together with original beams. at the same time the gluing steel plates enclose tensed concrete, improve the capability of resisting tension and limit the crack in the concrete
抗彎試驗結果表明:由於加固鋼板通過結構膠與原梁相結合形成組合構件,使鋼板與原梁一起參與受彎作用;同時,所粘鋼板包住受拉混凝土,改善了混凝土的抗拉性能,阻止並限制了混凝土中裂縫的發展。Methods of tests for ancillary components for masonry - part 9 : determination of flexural resistance and shear resistance of lintels ; german version en 846 - 9 : 2000
磚石工程輔助元部件試驗方法.第9部分:門窗過梁抗彎曲In order to investigate the effects of cfrp sheets on flexural bearing capacity and stiffness of the beam, test of 18 rc beams retrofitted with cfrp sheets was carried out. 16 beams were retrofitted while they were bearing loads and there were bending cracks on their surfaces. the parameters of the test include the ratio of the rebar, quantities of cfrp and loading procedure
本文擬通過16根加固梁和兩根對比梁模擬實際構件的加固及受力過程,對持續荷載作用下cfrp加固鋼筋混凝土梁進行抗彎試驗,目的就是為了研究外貼cfrp對梁的承載力和抗彎剛度的影響,為評價服役結構構件的承載力和撓度打下基礎。分享友人