本文選題：燕尾榫 + 單跨、雙跨木結(jié)構(gòu)�。� 參考：《太原理工大學(xué)》2017年碩士論文

【摘要】：中國木結(jié)構(gòu)古建筑精巧的外觀、復(fù)雜的組合形式和優(yōu)良的抗震性能,無不向后人展示著古人的智慧、傳遞著中華民族的文化。研究木結(jié)構(gòu)的抗震性能,對于保護(hù)木結(jié)構(gòu)古建筑是非常有必要的。許多木結(jié)構(gòu)古建筑均為多跨結(jié)構(gòu)形式,而目前學(xué)界多針對單跨木構(gòu)架進(jìn)行研究,較少涉及雙跨及多跨木構(gòu)架結(jié)構(gòu)性能,其相關(guān)的受力性能及抗震性能需要進(jìn)一步研究。本文基于樟子松材料性能試驗(yàn),以《營造法式》中四等材木構(gòu)架為原型,利用有限元軟件Abaqus建立了燕尾榫榫頭尺寸不同的三種單跨木構(gòu)架模型及有、無斗拱的單、雙跨木構(gòu)架模型,并對其進(jìn)行模擬計(jì)算分析。對三種燕尾榫榫頭尺寸不同的單跨木構(gòu)架在不同的柱頂配重下進(jìn)行了擬靜力試驗(yàn)?zāi)M研究,了解其在水平位移往復(fù)加載下的結(jié)構(gòu)變形特征,根據(jù)模擬結(jié)果得出了結(jié)構(gòu)的P-?滯回曲線、骨架曲線、剛度退化曲線,建立了單跨木構(gòu)架的恢復(fù)力模型。分析結(jié)果表明木結(jié)構(gòu)具有良好的滯回耗能性能,且隨著柱頂配重的增大,結(jié)構(gòu)的抗側(cè)移剛度和總耗能增大。燕尾榫榫頭尺寸變化會影響結(jié)構(gòu)的抗側(cè)移剛度:榫頭較小時由于柱頂截面變化,增大了對榫頭的握持力,結(jié)構(gòu)抗側(cè)移剛度大于榫頭較大的木構(gòu)架;而燕尾榫端部有微小縫隙時,其骨架曲線與燕尾榫端部無縫隙木構(gòu)架的骨架曲線接近重合。對有、無斗拱的單、雙跨木構(gòu)架在不同配重下進(jìn)行了擬靜力及動力試驗(yàn)?zāi)M。分析了四種木構(gòu)架在低周變幅往復(fù)加載下的滯回特性,對其骨架曲線進(jìn)行了對比。在El Centro地震波作用下,得出了位于結(jié)構(gòu)不同高度處相對位移時程曲線、加速度時程曲線。結(jié)果表明結(jié)構(gòu)的地震響應(yīng)會受到結(jié)構(gòu)頂部配重的影響:結(jié)構(gòu)上、下部分的相對位移峰值隨配重增大而增大;結(jié)構(gòu)頂部的加速度時程曲線的周期隨配重的增大而增大。對比了單、雙跨木構(gòu)架在El Centro地震波荷載下結(jié)構(gòu)相對位移響應(yīng)。無斗拱雙跨木構(gòu)架結(jié)構(gòu)最高點(diǎn)柱頂相對底板位移峰值在柱均配重為3t時大于無斗拱單跨木構(gòu)架柱頂相對底板位移峰值,而當(dāng)柱均配重增大到6和9時,無斗拱雙跨木構(gòu)架的柱頂相對底板位移峰值小于無斗拱單跨柱頂相對底板位移峰值。帶斗拱的雙跨木構(gòu)架在三級配重下結(jié)構(gòu)最高點(diǎn)耍頭相對底板位移峰值均大于帶斗拱單跨木構(gòu)架相應(yīng)值。
[Abstract]:The delicate appearance, complex combination form and excellent seismic performance of the ancient Chinese wooden structure show the wisdom of the ancients and the culture of the Chinese nation. It is necessary to study the seismic performance of wood structure to protect the ancient building of wood structure. Many ancient wooden structures are multi-span structures, but at present, the academic circles mostly focus on the single span wooden frame, less about the performance of double-span and multi-span wooden frame, and the related mechanical performance and seismic performance need to be further studied. Based on the material performance test of Pinus sylvestris var. mongolica, taking the middle and fourth grade wood frame as the prototype, using the finite element software Abaqus, three kinds of single span wood frame models with different sizes of tenon and tenon are established, and the single frame with no bucket arch is established. The model of double span wood frame is simulated and analyzed. In this paper, three kinds of single span wooden frames with different tenon and tenon sizes are simulated by pseudostatic test under different column top weight, and the structural deformation characteristics under reciprocating loading of horizontal displacement are understood. According to the simulation results, the structure P-? Hysteretic curve, skeleton curve and stiffness degradation curve are used to establish the restoring force model of single span wood frame. The results show that wood structure has good hysteretic energy dissipation performance, and with the increase of column top weight, the anti-lateral stiffness and total energy dissipation increase. The change of the size of the tenon and tenon will affect the lateral stiffness of the structure: when the tenon is small, the holding force of the tenon is increased because of the change of the section of the top of the column, and the stiffness of the structure is higher than that of the wood frame with the bigger tenon, while when there is a small gap at the end of the tenon, The skeleton curve is close to the skeleton curve of the slotted wood frame at the end of the dovetail tenon. The pseudostatic and dynamic tests of single and double span wooden frame with or without bucket arch are simulated under different counterweights. The hysteretic characteristics of four wood frames under low cycle cyclic loading are analyzed and the skeleton curves are compared. Under the action of El Centro seismic wave, the relative displacement time history curve and acceleration time history curve are obtained at different heights of the structure. The results show that the seismic response of the structure is affected by the weight distribution at the top of the structure: the peak relative displacement of the lower part of the structure increases with the increase of the weight, and the period of the acceleration time history curve increases with the increase of the weight. The relative displacement responses of single and double span wooden frames under El Centro seismic wave loading are compared. The peak displacement of the top of the column relative to the bottom plate of the double-span wooden frame structure without bucket arch is greater than that of the top of the wooden frame without the bucket arch when the average weight of the column is 3 t, but when the average weight of the column increases to 6 and 9, the maximum displacement of the column against the bottom plate is larger than that of the single span wooden frame with no bucket arch. The peak displacement of the column top relative to the bottom plate is smaller than that of the single span column roof without the bucket arch compared with the bottom plate. The peak displacement of double-span wooden frame with bucket arch is higher than that of single-span wooden frame with bucket arch under three-stage counterweight.
【學(xué)位授予單位】：太原理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TU366.2;TU352.11

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 陳金永;師希望;牛慶芳;魏劍偉;李鐵英;趙燕霞;;宋式木構(gòu)屋蓋自重及材份制相似關(guān)系[J];土木建筑與環(huán)境工程;2016年05期

2 曹麗芳;陳金永;牛慶芳;師希望;李鐵英;;5種木材橫紋局部承壓性能試驗(yàn)研究[J];中國科技論文;2016年13期

3 薛建陽;李義柱;夏海倫;隋?;;不同松動程度的古建筑燕尾榫節(jié)點(diǎn)抗震性能試驗(yàn)研究[J];建筑結(jié)構(gòu)學(xué)報;2016年04期

4 孟憲杰;陳金永;師希望;牛慶芳;魏劍偉;李鐵英;;木材橫紋全表面受壓性能試驗(yàn)研究[J];中國科技論文;2016年01期

5 謝啟芳;杜彬;李雙;向偉;鄭培君;;殘損古建筑木結(jié)構(gòu)燕尾榫節(jié)點(diǎn)抗震性能試驗(yàn)研究[J];振動與沖擊;2015年04期

6 吳海兵;;古建筑木結(jié)構(gòu)燕尾榫節(jié)點(diǎn)剛度有限元分析[J];四川建材;2015年01期

7 謝啟芳;杜彬;張風(fēng)亮;鄭培君;許清風(fēng);;古建筑木結(jié)構(gòu)燕尾榫節(jié)點(diǎn)彎矩-轉(zhuǎn)角關(guān)系理論分析[J];工程力學(xué);2014年12期

8 謝啟芳;鄭培君;向偉;崔雅珍;張風(fēng)亮;;殘損古建筑木結(jié)構(gòu)單向直榫榫卯節(jié)點(diǎn)抗震性能試驗(yàn)研究[J];建筑結(jié)構(gòu)學(xué)報;2014年11期

9 徐朝陽;徐德良;賈，

本文編號：2051105