本文選題：組合結(jié)構(gòu) + 剪力墻��； 參考：《鄭州大學》2017年碩士論文

【摘要】：剪力墻,是高層建筑結(jié)構(gòu)的基本抗側(cè)力構(gòu)件之一,廣泛應(yīng)用于剪力墻結(jié)構(gòu)、框架-剪力墻結(jié)構(gòu)、筒體結(jié)構(gòu)等多種抗側(cè)力結(jié)構(gòu)體系中。傳統(tǒng)的現(xiàn)澆鋼筋混凝土剪力墻由于其自重大,因此分配的地震作用也大,并且具有施工周期長、濕作業(yè)施工強度高等缺點。因此,目前在學術(shù)界及工程界,對各種類型的預制混凝土剪力墻、鋼板剪力墻、鋼-混凝土組合剪力墻的開發(fā)、研究及應(yīng)用,一直受到廣泛地關(guān)注。波紋鋼板組合剪力墻是一種新型的鋼-混凝土組合剪力墻,是在波紋鋼板剪力墻及平鋼板組合剪力墻的基礎(chǔ)上發(fā)展起來的一種具有創(chuàng)新設(shè)計理念的新型結(jié)構(gòu)構(gòu)件,具有截面尺寸小,抗側(cè)剛度大,承載性能高等優(yōu)點,但目前國內(nèi)對波紋鋼板組合剪力墻的研究基本還處于起步階段,需要對其受力機理、抗震性能、設(shè)計構(gòu)造等進行深入、系統(tǒng)地研究。論文采用數(shù)值模擬方法,應(yīng)用有限元分析軟件ABAQUS,對波紋鋼板組合剪力墻的靜力承載及抗震性能開展研究。首先,根據(jù)所查閱文獻中的對邊連接鋼板剪力墻、四邊連接鋼板剪力墻的幾何尺寸、力學參數(shù)及試驗加載條件,分別建立了相應(yīng)的有限元分析模型,通過數(shù)值模擬結(jié)果與文獻試驗結(jié)果的對比,驗證了本文所采用有限元建模方法的正確性。在此基礎(chǔ)上,將鋼板剪力墻中的平鋼板改為波紋鋼板,分別提出了波紋鋼板剪力墻、波紋鋼板組合剪力墻的設(shè)計概念,對兩邊連接波紋鋼板剪力墻、四邊連接波紋鋼板剪力墻、波紋鋼板組合剪力墻的線性屈曲、靜力極限承載力及低周反復承載力,進行了較為系統(tǒng)的計算與分析。最后,針對前文研究所得力學性能更優(yōu)的豎波紋鋼板組合剪力墻,通過有限元建模計算,對比分析了波形與波距、含鋼率、混凝土強度等主要設(shè)計參數(shù)對其靜力極限承載力及低周反復承載力的影響。論文主要結(jié)論為:(1)波紋鋼板剪力墻:采用兩邊連接時,豎波紋鋼板剪力墻的承載性能及抵抗變形能力較優(yōu),在所研究的3種高寬比情況下,豎波紋鋼板剪力墻的靜力最大承載力比平鋼板剪力墻高3.0%以上,比水平波紋鋼板剪力墻高70%以上;最大面外變形比平鋼板剪力墻小15.0%以上,比水平波紋鋼板剪力墻小3.0%以上。采用四邊連接:當高寬比為0.8時,豎波紋鋼板剪力墻較優(yōu),豎波紋鋼板剪力墻的靜力最大承載力比平鋼板剪力墻高1.2%;高寬比為1.5及2.0時,水平波紋鋼板剪力墻較優(yōu),靜力最大承載力比平鋼板剪力墻高8.5%、17.0%,最大面外變形比平鋼板剪力墻小4.8%、89.7%。(2)波紋鋼板組合剪力墻:高寬比為0.8時,豎波紋鋼板組合剪力墻最大承載力比平鋼板組合剪力墻高7.3%;高寬比為1.5和2.0時,水平波紋鋼板組合剪力墻的最大承載力比平鋼板組合剪力墻高6%和11%。(3)截面含鋼率是對豎波紋鋼板組合剪力墻承載性能影響最大的設(shè)計參數(shù):含鋼率每增加1.0%,組合剪力墻的靜力承載力增大18.3%以上,低周反復承載力提高20.0%以上,抗側(cè)剛度提高9.2%。采用正弦波的鋼板組合剪力墻承載性能不及采用梯形波紋的鋼板組合剪力墻;對3種不同波距的梯形波紋鋼板組合剪力墻進行靜力分析,波距小的波紋鋼板組合剪力墻剛度退化速度較慢。提高混凝土強度等級對豎波紋鋼板組合剪力墻承載力的提高貢獻不大。論文研究結(jié)果表明,波紋鋼板組合剪力墻具有較大的抗側(cè)剛度和抗震承載性能,所得結(jié)論可為波紋鋼板組合剪力墻今后在工程中的應(yīng)用提供一定的參考。
[Abstract]:Shear walls, which are one of the basic side resistance components of tall building structures, are widely used in shear wall structure, frame shear wall structure, tube structure and other anti lateral force structures. The traditional cast-in-place reinforced concrete shear walls are used because of their own importance, so the construction period is long and wet operation construction is long. Therefore, the development, research and application of various types of precast concrete shear walls, steel plate shear walls and steel concrete composite shear walls have been widely concerned at present in the academic and engineering circles. The corrugated steel plate shear wall is a new type of steel concrete composite shear wall, which is a corrugated steel plate shear wall. A new structural member with innovative design concept developed on the basis of flat steel plate composite shear walls has the advantages of small section size, large side stiffness and high bearing performance. However, the research on corrugated steel plate shear walls in China is still in the initial stage at present, and it needs to be subjected to its force mechanism, seismic performance and design structure. The paper uses the numerical simulation method and the finite element analysis software ABAQUS to carry out the research on the static bearing capacity and seismic performance of the corrugated steel plate shear wall. First, the geometric size, mechanical parameters and test of the steel plate shear walls connected with the side connection steel plate shear walls in the literature are based on the literature. According to the loading condition, the corresponding finite element analysis model is set up respectively. Through the comparison of the numerical simulation results and the literature test results, the correctness of the finite element modeling method used in this paper is verified. On this basis, the flat steel plate in the steel plate shear wall is changed to corrugated steel plate, and the corrugated steel plate shear wall and the corrugated steel plate shear wall shear wall are put forward. The design concept of force wall is used to calculate and analyze the linear buckling, static ultimate bearing capacity and low cyclic bearing capacity of corrugated steel plate shear walls connected to both sides, four sides of corrugated steel plate shear walls, corrugated steel plate shear walls, and low cyclic bearing capacity. Finally, the combined shear of vertical corrugated steel plate with better mechanical properties obtained from the previous study has been carried out. The force wall, through the finite element modeling calculation, contrasts and analyzes the influence of the main design parameters such as wave and wave distance, steel ratio, concrete strength and other main design parameters on its static ultimate bearing capacity and low cyclic bearing capacity. The main conclusions are as follows: (1) corrugated steel plate shear walls: bearing performance and resistance to deformation energy of vertical corrugated steel plate shear walls when both sides are connected. The maximum load capacity of the vertical corrugated steel plate shear wall is more than 3% higher than that of the horizontal corrugated steel plate shear wall, which is over 70% higher than that of the horizontal corrugated steel plate shear wall, and the maximum out of plane deformation is more than 15% smaller than that of the flat plate shear wall, and more than 3% smaller than the horizontal corrugated steel plate shear wall. The 3 side connections are higher than that of the horizontal corrugated steel plate shear wall. When the width ratio is 0.8, the vertical corrugated steel plate shear wall is better, the static maximum bearing capacity of the vertical corrugated steel plate shear wall is 1.2% higher than that of the flat plate shear wall. When the height width ratio is 1.5 and 2, the horizontal corrugated steel plate shear wall is better, the static maximum bearing capacity is 8.5%, 17% higher than the flat plate shear wall, and the maximum out of plane deformation is 4.8%, 89.7%. (2) wave smaller than that of the flat plate shear wall. When the height to width ratio is 0.8, the maximum bearing capacity of the vertical corrugated steel plate composite shear wall is 7.3% higher than that of the flat steel plate composite shear wall; the maximum bearing capacity of the horizontal corrugated steel plate composite shear wall is 6% and the 11%. (3) section bearing steel ratio is bearing the bearing capacity of the vertical corrugated steel plate composite shear wall when the height width ratio is 1.5 and 2. The design parameters that have the greatest impact on Performance: the steel ratio is increased by 1%, the static bearing capacity of the composite shear wall is increased by more than 18.3%, the cyclic loading capacity of the low cycle is raised by more than 20%. The bearing performance of the steel plate composite shear wall using the sine wave of 9.2%. is less than that of the trapezoid corrugated steel plate combined shear wall, and the trapezoidal trapezium with 3 different wave distances is made. The combined shear wall of corrugated steel plate is static analysis, and the stiffness degradation of the composite shear wall with small wave distance is slower. The improvement of concrete strength grade has little contribution to the improvement of the bearing capacity of the vertical corrugated steel plate combined shear wall. The results of the paper show that the composite shear wall with corrugated steel plate has greater lateral stiffness and seismic bearing capacity. The conclusions can provide some references for the future application of corrugated steel composite shear walls in engineering.
【學位授予單位】：鄭州大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TU973.16

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