本文關(guān)鍵詞：新型節(jié)能頁巖燒結(jié)砌塊結(jié)構(gòu)受力性能及設(shè)計方法研究　出處：《西安建筑科技大學(xué)》2014年博士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 頁巖燒結(jié)保溫砌塊 WDF 力學(xué)性能 抗震性能 低周反復(fù)荷載 平面外 振動臺試驗 剛架－等效單斜撐力學(xué)模型 設(shè)計方法

【摘要】：“十一五”期間開發(fā)了單一墻體材料滿足建筑節(jié)能65%的目標(biāo)要求的新型節(jié)能頁巖燒結(jié)砌塊，并已建成國內(nèi)第一條、世界上規(guī)模最大的新型節(jié)能頁巖燒結(jié)砌塊生產(chǎn)線，奠定了新型節(jié)能頁巖燒結(jié)砌塊在我國廣泛推廣應(yīng)用和開展國際合作的良好基礎(chǔ)，但是由于受到時間和應(yīng)用條件的限制，尚未進行力學(xué)性能、抗震性能和設(shè)計方法研究。 本文針對新型節(jié)能頁巖燒結(jié)砌塊——頁巖燒結(jié)保溫砌塊和頁巖燒結(jié)復(fù)合外墻保溫砌塊（WDF）展開系統(tǒng)的試驗研究，并根據(jù)試驗研究成果提出結(jié)構(gòu)設(shè)計方法，為新型節(jié)能頁巖燒結(jié)砌塊的推廣和應(yīng)用提供支撐，本文具體研究內(nèi)容如下： （1）頁巖燒結(jié)保溫砌塊砌體力學(xué)性能試驗研究 針對29排孔和21排孔兩類頁巖燒結(jié)保溫砌塊分別開展了砌體抗壓性能試驗和抗剪性能試驗研究，獲得了頁巖燒結(jié)保溫砌塊砌體基本力學(xué)性能指標(biāo)，掌握了該類砌體破壞特征和破壞機理，提出了抗壓強度和抗剪強度計算表達(dá)式，并對砌體變形性能進行研究，得到砌體應(yīng)力－應(yīng)變關(guān)系式，給出了彈性模量計算表達(dá)式和泊松比建議取值；此外還進行了29排孔頁巖燒結(jié)保溫砌塊砌體在剪壓復(fù)合受力狀態(tài)下的抗剪性能試驗，掌握了剪壓破壞的基本特征，提出了砌體靜力抗剪強度計算公式。 （2）頁巖燒結(jié)保溫砌塊承重墻體抗震性能試驗研究 通過10片足尺頁巖燒結(jié)保溫砌塊墻體試件低周反復(fù)荷載試驗，，分析了該類墻體破壞形態(tài)和破壞特征，同時對墻體各項抗震性能指標(biāo)（滯回曲線、骨架曲線、延性、耗能性能、剛度退化、抗震抗剪承載力等）進行了詳細(xì)的分析和計算，并針對墻體恢復(fù)力模型和抗倒塌性能進行分析，最后提出了頁巖燒結(jié)保溫砌塊墻體抗震抗剪承載力建議公式，為頁巖燒結(jié)保溫砌塊的推廣和應(yīng)用提供了試驗數(shù)據(jù)和理論支持。 （3）頁巖燒結(jié)保溫砌塊框架填充墻平面外振動臺試驗研究 通過對四片足尺單層單跨頁巖燒結(jié)保溫砌塊框架填充墻試件進行平面外模擬地震振動臺試驗，研究了在El-Centro波、Taft波、天津?qū)幒硬ê虳ouble El-Centro波等地震波作用下模型結(jié)構(gòu)反應(yīng)的特點，通過頻率、加速度、相對位移、鋼筋應(yīng)變反應(yīng)分析了填充墻與框架結(jié)構(gòu)之間的連接構(gòu)造措施對模型結(jié)構(gòu)的平面外地震反應(yīng)的影響，建議在實際工程中采用與框架均柔性連接的構(gòu)造方式，水平拉結(jié)帶間距不超過五皮砌塊高度、填充墻與框架梁之間的拉結(jié)筋間距取1m。 （4）剪力墻外貼WDF保溫體系平面外振動臺試驗研究 通過對四片足尺剪力墻外貼WDF保溫體系試件進行平面外模擬地震振動臺試驗，研究了在El-Centro波、Taft波、天津?qū)幒硬ê虳ouble El-Centro波等地震波作用下模型結(jié)構(gòu)反應(yīng)的特點，通過頻率、加速度、相對位移、鋼筋應(yīng)變反應(yīng)分析了錨栓布置數(shù)量及布置形式對模型結(jié)構(gòu)的平面外地震反應(yīng)的影響，建議在工程設(shè)計中可適當(dāng)考慮加強結(jié)構(gòu)頂部構(gòu)造措施，比如增加錨栓個數(shù)等。 （5）頁巖燒結(jié)保溫砌塊墻體剛架－等效單斜撐力學(xué)模型 在頁巖燒結(jié)保溫砌塊墻體低周反復(fù)荷載試驗研究的基礎(chǔ)上，提出了頁巖燒結(jié)保溫砌塊墻體剛架－等效單斜撐力學(xué)模型，并采用SAP2000有限元分析程序分別對該模型在彈性階段和彈塑性階段進行分析驗證。通過分析提出了等效單斜撐有效寬度計算公式，確定了等效單斜撐塑性鉸的基本屬性，提出了等效單斜撐軸向屈服力和屈服位移計算表達(dá)式，并提出了等效單斜撐塑性鉸的力－位移本構(gòu)關(guān)系，通過和試驗結(jié)果比較發(fā)現(xiàn)，利用頁巖燒結(jié)保溫砌塊墻體剛架－等效單斜撐力學(xué)模型可以很好地反映原型結(jié)構(gòu)在彈性階段和彈塑性階段的受力性能。 （6）新型節(jié)能頁巖燒結(jié)砌塊結(jié)構(gòu)設(shè)計方法研究 根據(jù)試驗研究成果和實際工程應(yīng)用資料以及現(xiàn)有規(guī)范規(guī)定，分別提出頁巖燒結(jié)保溫砌塊砌體強度設(shè)計指標(biāo)、頁巖燒結(jié)保溫砌塊墻體抗震設(shè)計方法、新型節(jié)能頁巖燒結(jié)砌塊結(jié)構(gòu)構(gòu)造技術(shù)和新型節(jié)能頁巖燒結(jié)砌塊結(jié)構(gòu)施工技術(shù)，為《頁巖燒結(jié)保溫砌塊結(jié)構(gòu)設(shè)計規(guī)程》、《頁巖燒結(jié)保溫砌塊結(jié)構(gòu)構(gòu)造圖集》和《新型節(jié)能頁巖燒結(jié)砌塊結(jié)構(gòu)施工技術(shù)規(guī)程》的編制提供基本參數(shù)，并為新型節(jié)能頁巖燒結(jié)砌塊的推廣和應(yīng)用提供依據(jù)。
[Abstract]:"The new energy-saving shale sintered block in 11th Five-Year during the development of single wall materials to meet energy-saving 65% of the objectives and requirements, and has completed the first section, the world's largest new energy saving sintered shale brick production line, laid a good foundation of new energy-saving shale sintered block in our country wide application and carry out international cooperation. But due to time and application conditions, not mechanical properties, research performance and seismic design method.
According to the new energy-saving shale sintered block of shale sintering block and shale sintered composite insulation block (WDF) experimental study on the system, and puts forward the structure design method based on the experimental results, to provide support for the promotion and application of new energy-saving shale sintered block, the specific contents are as follows:
(1) experimental study on mechanical properties of shale sintered insulation block masonry
In the 29 row of holes and 21 rows of holes of two types of shale fired heat insulation block were carried out experimental study on the performance of the compressive test and masonry shear, the basic mechanical properties of masonry shale sintering, mastered its failure characteristics and failure mechanism of masonry, compressive strength and shear strength calculation formula is put forward, and Study on deformation behavior of masonry masonry, obtained the stress-strain relationship, given elastic modulus and Poisson's ratio calculation formula recommended values; in addition to the 29 rows of holes in the shale fired heat insulation block masonry shear shear test and compression stress condition, grasp the basic characteristics of shear compression failure, put forward the calculation formula of shear strength of masonry.
(2) experimental study on seismic performance of shales sintered insulation block bearing wall
The 10 pieces of full scale shale fired heat insulation masonry wall specimens under low cyclic loading test, analyzed the morphological damage characteristics and damage the wall, while the index of the seismic performance of the wall (hysteretic curve, skeleton curve, ductility, energy dissipation, stiffness degradation, seismic shear strength etc.) is analyzed and calculated. In detail, and the restoring force of the wall analysis model and anti collapse performance, finally put forward the shale fired heat insulation block wall seismic shear capacity formula, provides support for test data and theory for the popularization and application of the shale fired heat insulation block.
(3) experimental study on the outer shaking table of the filled wall of the shale sintered insulation block frame
The plane through the four full-scale single span shale fired heat insulation block wall filled frame specimens and shaking table test on the El-Centro wave, Taft wave, characteristics, model structure reaction of Tianjin Ninghe wave and Double El-Centro wave under the action of seismic waves by frequency, acceleration, relative displacement, strain of steel reaction analysis of the influence of filling connection measures between the wall and frame structure of plane seismic response to the structure of the model, and the proposed frame are flexible connection structure in practical engineering, the level spacing of not more than five drawknot belt leather block height, filling Rachel reinforcement spacing between 1m. wall and frame beam
(4) experimental study on the outside plane vibrating table of the WDF insulation system outside the shear wall
Based on four full-scale shear wall with WDF insulation system of specimen plane shaking table test on the El-Centro wave, Taft wave, characteristics, model structure reaction of Tianjin Ninghe wave and Double El-Centro wave under the action of seismic waves by frequency, acceleration, relative displacement, strain of steel reaction were analyzed out of plane seismic response of anchor bolt arrangement number and layout of the model structure, suggestions in engineering design may be appropriate to consider strengthening the structure on top of structural measures, such as increasing the number of anchors.
(5) mechanical model of rigid frame equivalent monoclinic bracing of shale sintered insulation block wall
Based on the study of masonry wall under low cyclic loading tests of insulation shale, the shale fired heat insulation block wall rigid frame diagonal equivalent mechanical model, and the SAP2000 finite element analysis program of the model is tested in elastic stage and plastic stage. Through the analysis of the equivalent diagonal effectively the width calculation formula to determine the equivalent diagonal basic properties of the plastic hinge, the equivalent diagonal axial yield force and yield displacement calculation formula, and put forward the equivalent diagonal force displacement plastic constitutive relation, by comparing with the experimental results, using the shale fired heat insulation block wall rigid frame equivalent diagonal mechanical model can well reflect the prototype structure on the mechanical behavior of elastic and elastic-plastic stage.
(6) study on the design method of new energy saving shale sintering block
According to the provisions of the result of the research and the practical application and the existing norms, respectively put forward masonry strength design index of sintering shale, the shale fired heat insulation block wall seismic design method, the new energy-saving shale sintered block structure technology and new energy saving shale sintered block structure construction technology, "the shale fired heat insulation block structure design specification >, < provide the basic parameters for shale fired heat insulation block structure of" and "new energy saving shale sintered block structure construction technology in accordance with the rules, and provide the basis for the new energy-saving shale fircd promotion and application block.

【學(xué)位授予單位】：西安建筑科技大學(xué)
【學(xué)位級別】：博士
【學(xué)位授予年份】：2014
【分類號】：TU364

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 關(guān)國雄,夏敬謙;鋼筋混凝土框架磚填充墻結(jié)構(gòu)抗震性能的研究[J];地震工程與工程振動;1996年01期

2 郭子雄;吳毅彬;黃群賢;;砌體填充墻框架結(jié)構(gòu)抗震性能研究現(xiàn)狀與展望[J];地震工程與工程振動;2008年06期

3 李永平;丁建國;;外墻外保溫結(jié)構(gòu)的抗震有限元分析[J];工程抗震與加固改造;2010年03期

4 王暉;陳麗;陳墾;薛漫清;梁慶;;多指標(biāo)綜合評價方法及權(quán)重系數(shù)的選擇[J];廣東藥學(xué)院學(xué)報;2007年05期

5 祝英杰,尹續(xù)峰,王士風(fēng);新型住宅建筑結(jié)構(gòu)抗震節(jié)能體系應(yīng)用與研究[J];工業(yè)建筑;2004年12期

6 王旋;李碧雄;王哲;薛永亮;;汶川地震中填充墻鋼筋混凝土框架結(jié)構(gòu)抗震性能思考[J];工業(yè)建筑;2009年01期

7 胡秀萍;李成福;;談我國居住建筑的節(jié)能途徑及發(fā)展對策[J];河北建筑工程學(xué)院學(xué)報;2007年01期

8 郭樟根;孫偉民;王辰宇;;低周反復(fù)荷載下預(yù)應(yīng)力砌塊墻體的試驗研究[J];混凝土與水泥制品;2007年06期

9 苑玉鳳;;多指標(biāo)正交試驗分析[J];湖北汽車工業(yè)學(xué)院學(xué)報;2005年04期

10 高小旺;卜慶順;;多層鋼筋砼框架房屋周期折減系數(shù)和層間彈性位移修正系數(shù)的取值[J];建筑結(jié)構(gòu);1993年02期

相關(guān)博士學(xué)位論文 前2條

1 于敬海;新型輕質(zhì)加氣混凝土承重砌體抗震性能的研究[D];天津大學(xué);2008年

2 郝彤;再生骨料混凝土多孔磚及其砌體受力性能研究[D];鄭州大學(xué);2008年

本文編號：1385099