推荐回答(3个)
斜砌是砌体工程中顶部砌体的一种砌法,为了使砌体与顶部构件更好地接触。
斜砌砖是为了使填充墙与梁紧密结合,避免裂缝的产生,在一些地方,还要求此位置的水泥砂浆要填加微膨胀剂,目的是为了补偿墙体下沉变形,避免开裂。后砌填充墙应该是在框架结构有足够强竖型度后上去砌筑,空间顺序应该是自上而下,而且在砌筑时要求施工到离梁底20。
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拓展资料
砌体工程是指普通黏土砖,承重黏土空心砖,蒸压灰砂砖首纤姿,粉煤灰砖,各种中小型砌块和石材的砌筑。目前我国正进行墙体改革,为节约农田要不用,少用普通黏土砖,进一步推广应用各种空心砌块,其中以空心砖最为主流。
砖墙的砌筑工艺一般为:抄平--放(弹)线--摆砖样--立皮数杆--盘角--挂线--砌筑--勾缝及清理等。
(1)抄平:为确保砖砌体施工质量,在砌前必须进行抄平。
(2)弹线:在根据图纸要求弹线对砌砖进行定位。
(3)摆砖样:弹好线后根据墙身情况摆好砖样。
(4)立皮数杆:利用皮数杆来控制每皮砖砌筑的竖向尺寸。
(5)盘角、挂线:砌砖前先盘角,盘角就是把角边盘起,成为方正,才可以砌筑。
(6)墙体砌筑:砌筑时根据砖样、皮数杆及盘角挂线进行砌筑,确保跟线。
(7)勾缝及清理:在砌筑完成后为保证成型效者绝果需勾缝及清理。
参考资料砌体工程
填充墙中顶砖应斜砌,主要原因如下:
1、是为了使墙体顶部更密实,抹灰后不易开裂,斜砌汪含能更好的挤紧与梁、板底的空隙。
2、就施工角度来说,45——60度这样砌法更加方便施工。
3、属于规范要求:《砌体结构工程施工质量验收规范》GB50203-2011 9.1.9填充墙砌体砌筑,应待承重主体结构检验批验收合格后进行。填充墙与承重主体结构间的空(缝)隙部位施工,应在填充墙砌筑14d后进行。
4、为了适应框架结构变形:框架梁因为受力而产生变形时其变形部位不会致使砌体墙受压产生破坏;
5、有利抗震:由于砌体墙与顶部梁之间不是刚性连接,当产生水平地困大笑震波时砌仿者体墙不会随框架一起摆动而保证其减小或局部消除地震对墙体的影响。
斜砌砖是为了应付以后可能会发生的沉降。在砌体工程哪梁结束后砌体祥伍下部的受力构件在受力过程中可能会弯曲,部分李宴运混凝土砌块由于含水率过高也可能发生收缩变形,这些会导致墙体沉降。在顶层斜砌一砖可以保持墙体在沉降后的整体性。方便沉降后填缝等施工作业。
角度在45-60是因为小与45的话墙体沉降后斜砌砖会一块下沉,起不到作用,如果大于60度那么这层砖基本等于立砖。在沉降过大时顶部连接处依然会出现沉降缝。所以斜砌砖以45-60为佳。
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