材料导报 Vol. 34   258-260      
										 
				
  
				
					
						
							
								
									
									 
											                            											                            																		
									无机非金属及其复合材料 
											                         			                         			                         			                         										 
									
								         
		  							 
          							
          									  								 
        						 
      						
      					 
  					 
  					
    					 
   										
    					冻融循环对烧结页岩多孔砖砌体抗剪性能的影响  
  					  										
						王锐1 , 黄榜彪1 , 莫济成2 , 李青1 , 朱基珍2  
					 
															
					1 广西科技大学土木建筑工程学院,柳州 545006;  
										
						 
   										
    					Effect of Freeze-thaw Cycle on Shear Performance of Sintered Shale PorousBrick Masonry  
  					  					  					
						WANG Rui1 , HUANG Bangbiao1 , MO Jicheng2 , LI Qing1 , ZHU Jizhen2  
					 
															
						1 School of Civil Engineering and Architecture, Guangxi University of Science and Technology, Liuzhou 545006, China;    
									
				
				
					
						
							
								
									
										
								            
                        					 
												
													
													    
													    	
									 
								 
								
													
													
													    
													    		                            						                            																	    摘要  为了研究烧结页岩多孔砖砌体结构在冻融循环下抗剪强度的变化规律,采用砌体沿通缝截面抗剪强度的试验方法,通过对比分析不同冻融循环次数下砂浆与砌体的强度衰减和损失情况,得到了冻融循环下烧结页岩多孔砖砌体的抗剪强度衰减规律及表达式。试验结果表明,在75次冻融循环后,冻融破坏对砌体抗剪性能的影响较大且不断加深,砌体抗剪性能急剧下降。 
																										     
													    
													    	
															 
														 
												  		
															关键词:  
																																																																砌体结构  
																																																																	冻融循环  
																																																																	耐久性  
																																																																	抗剪强度  
																																  
															 
																																										
															Abstract:  In order to explore the shear strength variation of sintered shale porous brick masonry structure under freeze-thaw cycles, this paper adopted the test method of masonry shear strength along the cross-section. By comparing and analyzing the strength attenuation and loss of mortar and masonry under different freeze-thaw cycles, the law and expression of shear strength attenuation of sintered shale porous brick masonry under freeze-thaw cycles were obtained. The test results show that after 75 freeze-thaw cycles, the effect of freeze-thaw damage on the shear resis-tance of masonry is greater and deeper, and the shear resistance of masonry decreases sharply. 
																																										
															Key words:  
																																																	masonry structure 
																	  																																		freeze-thaw cycle 
																	  																																		durability 
																	  																																		shear strength 
																																																 
																												
														
															
															        
																    
																    
																    
																																	发布日期:   2020-07-01
															    															    	
															 
														 
														 														
															
																
															 
														 
																																										
															基金资助:  广西重点研发计划(桂科AB16380341; AB17129024);柳州市科技重大专项(2018AD40501) 
																											    																												
															作者简介:   王锐,2016年毕业于淮阴工学院,获得工学学士学位。现为广西科技大学土木建筑工程学院硕士研究生,在黄榜彪教授的指导下进行研究,目前主要研究方向为材料与结构工程;黄榜彪,广西科技大学土木建筑工程学院教授、硕士研究生导师。2007年硕士研究生毕业于北京工业大学,工作至今主持完成省市级科研项目30多项,获广西科学技术进步奖三等奖2项,柳州市科学进步奖多项。目前主要从事新型建筑材料的研究。 
																											
							                        
													 
														
															引用本文:      
														
															
																														王锐, 黄榜彪, 莫济成, 李青, 朱基珍. 冻融循环对烧结页岩多孔砖砌体抗剪性能的影响[J]. 材料导报, 2020, 34(Z1): 258-260.	
																																									     												                                                                                                        	                                                             
														 
														
															 
														
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																 1 商效瑀,郑山锁,徐强.实验力学,2015,30(6),810. 
															   
																													
									             
									            									            												
											
														
															
																
																	
																																																																																																																						
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