梁的強度試驗 的英文怎麼說
中文拼音 [liángdeqiángdùshìyàn]
梁的強度試驗
英文
beam strength 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 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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It canbe determined the enhancing effect of new steel fiber to shear resistance of beams by the test of tensile strength of steel fiber reinforced concrete, it is important to reduce test cose and increase research efficiency
可以通過鋼纖維混凝土抗拉強度試驗來確定新品種鋼纖維對梁斜截面上混凝土受剪承載力的增強作用,這對于降低試驗成本和提高研究效率具有重要工程價值。Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete
通過變化受拉筋含筋率和受壓筋、箍筋(鉤筋、分佈筋)含量,或摻加纖維使之成為鋼纖維高強混凝土( sfrhsc )和聚丙烯纖維高強混凝土( pfrhsc ) ,對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究,試圖改善高強混凝土受彎構件的延性,使其延性比大於5 ;並在相同配筋情況下,通過變化截面寬度,研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響;並對試驗構件的裂縫發展情況進行了觀測。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。The experimental study of twelve push - out specimens with different hole molds and different materials filled in holes and two composite steel - fdpcp ( full - depth precast concrete panels ) beams of a full shear connection and different hole mold, as well as a composite steel - fdpcp beams of a partial shear connection and square holes was conducted in this paper, the authors gain following results : three composite steel - fdpcp beams all have good composite action and perfect work behaviors as a whole and the composite steel - fdpcp beams is a new - style structure which should get further research and development
摘要對12個不同預留孔形、孔內不同填充材料的推出試件及2根不同預留孔形的完全剪力連接與1根部分剪力連接的鋼混凝土預制板組合梁進行了試驗,結果表明,只要預留孔形設計合理,灌孔混凝土強度得當,鋼混凝土預制板組合梁就具有良好的組合效應和整體工作性能,是一種有發展前途和廣泛應用領域的新型組合結構。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 effects to beam for its normal section flexural capacity and rigidity and ductibility as well as other properties is discussed with different polypropylene fiber and different concrete strength by the bending test study herein on the reinforced concrete beams and the polypropylene fiber reinforced beams
本文通過對摻聚丙烯纖維砼配筋梁的試驗研究,分析討論了單筋矩形截面梁配筋率相同時,分別考慮聚丙烯纖維摻量和混凝土強度等級等因素對梁的正截面承載力、剛度及延性等幾個方面的影響。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。The difference between axial compressive capacity of beam - column joints and that of columns is introduced when joints are strengthened by various measures. influence of shapes, spiral hoops and ratio of beam depth to side dimension of square column upon axial compressive capacity of beam - column joints is discussed. then economy and security of the relative article in current code are demonstrated and the design recommendations of beam - column joints are given
本文通過6個不同強度等級混凝土樑柱節點試驗,了解在不同的加強措施情況下,節點區的軸心抗壓承載力與柱的理論軸心抗壓承載力的差異,探討了角鋼、螺旋箍筋及梁高與柱截面尺寸的比值h c對節點區軸心抗壓承載性能的影響,驗證了我國現行規范有關條款的安全性和經濟性,並且在此基礎上,為不同強度等級混凝土樑柱節點的設計提出了相關建議。Abstract : the paper presents the evaluation procedures and the major tests carried out on gangwan bridge in dalian port, illustrating the scope and methods of tests necessary for the evaluation and assessment of the strength and useful life of an aged steel bridge
文摘:通過介紹大連港港灣橋的檢定試驗過程與主要項目內容,說明對老齡鋼結構橋梁的強度負荷與壽命評估所必須實施的內容與手段。This paper first present a study on the bond properties of furan resin concrete reinforced with gfrp bars, in which the pull - out test was adopted to investigate the bond performance between gfrp bars and furan resin concrete, compare the bond strength of gfrp bars of different surface disposal and validated the feasibility by test the gfrp bars reinforced furan resin concrete beam. then the paper provides a micro - mechanical model for the splitting failure analysis of gfrp reinforced concrete member and deducted the relation between splitting failure load and parameter of gfrp rod
本文首先對gfrp筋加強呋喃樹脂混凝土及普通混凝土的界面粘結性能進行了實驗研究,對玻璃鋼筋表面採取了三種處理方法,用拔出試驗研究分析了gfrp筋和呋喃混凝土、普通水泥混凝土之間的粘結強度,比較了用不同方法進行表面處理的效果,確定了合適的表面處理方案,並通過對gfrp筋加強呋喃混凝土梁進行了彎曲試驗,進一步驗證了方案的可行性。Standard test method for short - beam strength of polymer matrix composite materials and their laminates
聚合母體組合材料及其層壓製件的短梁強度的標準試驗方法Experimental study of shear strength of restrained beams with post - casting section under concentrated loads
帶后澆段的約束梁在集中力作用下的抗剪強度試驗研究Standard test method for comparing bond strength of steel reinforcing bars to concrete using beam - end specimens
用梁端試樣比較混凝土和鋼筋棒粘結強度的標準試驗方法Standard test method for flexural strength of soil - cement using simple beam with third - point loading
用簡支梁三點負荷法測定摻土水泥抗撓強度的標準試驗方法Standard test method for compressive strength of soil - cement using portions of beams broken in flexure modified cube method
用橫梁彎曲斷裂部分測定摻土水泥抗壓強度的標準試驗方法Standard test method for apparent horizontal shear strength of pultruded reinforced plastic rods by the short - beam method
用短梁法測定擠拉制增強塑料棒表觀水平剪切強度的標準試驗方法Through the experimental and theoretical analyzing results, the conclusion can be summarized as follows. 1 ) the yielding load and ultimate bearing capacity of the beam are not affected by the value of the load under that load the cfrp sheets were retrofitted, but the value will affect the stiffness of the beam, especially the average tangent stiffness after rebar yielding. 2 ) the stiffness of cracked beams retrofitted with cfrp sheets is larger than that of the normal rc beams
通過試驗結果分析發現,採用cfrp加固的鋼筋混凝土梁的剛度較普通鋼筋混凝土梁的剛度有明顯提高,纖維布對承受以抗彎為主的構件具有增強剛度、控制撓度的作用;纖維加固時梁所承受的荷載大小,即加固時梁內已存在的彎曲裂縫的寬度對梁的屈服荷載及極限承載力影響不是很大,但對梁的剛度有較大影響,特別是對縱筋屈服后的剛度影響較大。In this paper, by the accelerated corrosion methods of man - made climate and galvanostatic to corrode the bars, experiments were carried out to study the different structure behavior of corroded reinforced concrete beams, and it was learned that the condition of man - made climate was closer to practice than galvanostatic method
摘要通過採用人工氣候和通電快速銹蝕模擬方法,對銹蝕鋼筋混凝土梁進行試驗,以對比研究結構性能退化機理,結果發現銹蝕后鋼筋混凝土梁的強度、延性和破壞形態發生了急劇變化,而且人工氣候環境下的混凝土內鋼筋銹蝕比通電條件能更好的貼近實際情況。Seven chapters are included in this thesis. the first chapter is the introduction about the necessity of bridge detection and common defect of the bridge. the second chapter introduces the structural basic condition and defect details of the bridge. the third chapter describes the preparation for the detection work. including the overall investigation of the diseases and the condition at operation, the set - up of loading test and control measures and structural computation. the 4th chapter is on - the - site detection, which consists of static and dynamic tests and necessary data collecting for analysis and evaluation. the 5th chapter is the analysis of detention data. according to collected data of loading tests, the results of static and dynamic tests are analyzed. the 6th chapter evaluates the strengths, rigidity. stability and dynamic characteristics of the bridge, so that the conclusion can be reached. the 7th chapter is summarization
第六章是檢測評定結論,全面評定該橋的強度、剛度、穩定性和動力特性,從而給出檢測評定結論。第七章是總結,在對本項目的工作內容和工作特點進行總結的基礎上,指出了舊橋檢測存在的問題以及今後發展的方向。同時,通過對本次檢測工作的研究,初步形成了一套特大跨徑舊鋼橋的檢測評定方法,即:全面的病害和運營狀況調查、現實狀況計算分析、制定加載試驗方案和加載控制措施、加載試驗、綜合橋梁分析專家評定。This paper investigates 15 r. c. beams under different conditions of cfrp amount, anchor condition and load history. the experiment results show that the flexural strength, stiffness and cracking behavior of rc beams can be improved. a failure mode caused by epoxy - concrete interface bond abating is observed and analyzed in this paper
本文進行了15根鋼筋混凝土適筋梁在不同碳纖維粘貼量、錨固方式和加載歷史條件下的試驗,試驗結果表明,粘貼碳纖維加固後梁的正截面承載力提高,裂縫寬度減小,抗彎剛度有所增強;在試驗中觀察到了膠層?混凝土界面粘結失效導致的試件破壞形式。分享友人