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1、砼实体结构裂缝的成因及处理办法简介:砼因其取材广泛、价格低廉,抗压强度高、可浇注成各种形状,并且耐火性好、不易风化、养护费用低,成为当今世界建筑结构中使用最广泛的建筑材料。其蠕变特性是在常温25c0下保持不变,但大于或小于25c0就会膨胀或冷缩变形,缺点是:在温度变化过程中产生内应力表面裂缝,在力的作用下产生拉应力容易开裂。关键字:裂缝特性成因abstract:theconcreteforthematerialswidely,lowprice,highcompressivestrength,canbepouringintovariousshapes,andw
2、aterygood,noteasyweatheringresistance,lowcostofmaintenance,totheworldbuildingstructureisthemostwidelyusedinbuildingmaterial.thecreepcharacteristicsisinroomtemperatureunder25c0remainsthesame,butthegreaterorlessthan25c0willexpandorcolddeformation,thedisadvantageis:thetemperaturechang
3、esoccurringintheprocessofsurfacecrackstress,undertheactionofforcesproducestresseasycraze.keyword:crackformationcharacteristics中图分类号:tv543+.6文献标识码:a砼实体结构裂缝的成因及处理办法简介:砼因其取材广泛、价格低廉,抗压强度高、可浇注成各种形状,并且耐火性好、不易风化、养护费用低,成为当今世界建筑结构中使用最广泛的建筑材料。其蠕变特性是在常温25c0下保持不变,但大于或小于25c0就会膨胀或冷缩变形,缺点是:在温度变化过
4、程中产生内应力表面裂缝,在力的作用下产生拉应力容易开裂。关键字:裂缝特性成因abstract:theconcreteforthematerialswidely,lowprice,highcompressivestrength,canbepouringintovariousshapes,andwaterygood,noteasyweatheringresistance,lowcostofmaintenance,totheworldbuildingstructureisthemostwidelyusedinbuildingmaterial.thecreepcha
5、racteristicsisinroomtemperatureunder25c0remainsthesame,butthegreaterorlessthan25c0willexpandorcolddeformation,thedisadvantageis:thetemperaturechangesoccurringintheprocessofsurfacecrackstress,undertheactionofforcesproducestresseasycraze.keyword:crackformationcharacteristics中图分类号:tv5
6、43+.6文献标识码:a砼实体结构裂缝的成因及处理办法简介:砼因其取材广泛、价格低廉,抗压强度高、可浇注成各种形状,并且耐火性好、不易风化、养护费用低,成为当今世界建筑结构中使用最广泛的建筑材料。其蠕变特性是在常温25c0下保持不变,但大于或小于25c0就会膨胀或冷缩变形,缺点是:在温度变化过程中产生内应力表面裂缝,在力的作用下产生拉应力容易开裂。关键字:裂缝特性成因abstract:theconcreteforthematerialswidely,lowprice,highcompressivestrength,canbepouringintovariou
7、sshapes,andwaterygood,noteasyweatheringresistance,lowcostofmaintenance,totheworldbuildingstructureisthemostwidelyusedinbuildingmaterial.thecreepcharacteristicsisinroomtemperatureunder25c0remainsthesame,butthegreaterorlessthan25c0willexpandorcolddeformation,thedisadvantageis:thetemp
8、eraturechangesoccurringint