推荐回答(4个)
单个混凝土块的长宽尺寸在4~6米范围。
以水泥和集料为主要原材料,经加工、振动加压或其他成型工艺制成的,用于铺设城市道路人行道、城市广场等的混凝土路面及地面工程的块、板等。其表面可以是有面层(料)的或无面层(料)的;本色的或彩色的。包括用于铺设城市道路人行道、城市广场的其它产品材料(如地材)。
当路面砖的边长/厚度<5时,产品按其抗压强度分为Cc30、Cc35、Cc40 、Cc50和Cc60五个强度等级;当路面砖的边长/厚度≥5时,产品按其抗折强度分为Cc3.5、Cc4.0 、Cc5.0和Cc6.0四个强度等级。颜色为本色或彩色。用于人行道、车行道、公园小道、停车场以及地面受力较大的场合,如港口集装箱码头、机场停机坪等场所。
分类
按连接分普通型路面砖和联锁型路面砖。其中,联锁型路面砖分为双向联锁型路面砖和单向联锁型路面砖。
按砖的表面形态分为有面层(料)和无面层(料)的,后者也称为通体砖。
混凝土路面,机场停机坪的混凝土地坪,现在均是现浇混凝土成型的,不是混凝土砖拼出来的。
混凝土路面和地坪,在混凝土浇筑一定时间(十几到二十几小时)后,要切割缩缝,切割深度为路面或地坪厚度的三分之一,然后混凝土会沿缩缝收缩断裂,形成块状。缩缝的间距在4~6米范围。最后,缩缝内要填充密封胶或橡胶条等弹性材料,防止水和砂石进入缩缝,保证混凝土自由热涨冷缩,同时水不会进入和危害下部基础。
所以,混凝土路面和地坪,单个混凝土块的长宽尺寸在4~6米范围。
那个不叫 砖 !
地面分几层,做法不一样,分缝也是有区别的。
建 筑 地 面 设 计 规 范 GB 50037-96
6.0.5 底层地面的混凝土垫层,应设置纵向缩缝、横向缩缝,并应符合下列要求:
6.0.5.1 纵向缩缝应采用平头缝或企口缝(图6.0.5(a)、(b)),其间距可采用3~6m。
6.0.5.2 纵向缩缝采用企口缝时,垫层的构造厚度不宜小于150mm,企口拆模时的混凝土抗压强度不宜低于3MPa。
6.0.5.3 横向缩缝宜采用假缝(图6.0.5(c)),其间距可采用6~12m;高温季节施工的地面,假缝间距宜采用6m。假缝的宽度宜为5~20mm;高度宜为垫层厚度的1/3;缝内应填水泥砂浆。
6.0.7 室外地面的混凝土垫层,宜设伸缝,其间距宜采用20~30m,缝宽20~30mm,缝内应填沥青类材料,沿缝两侧的混凝土边缘应局部加强。
6.0.12 铺设在混凝土垫层上的面层分格缝应符合下列要求:
6.0.12.1 沥青类面层、块材面层可不设缝。
6.0.12.2 细石混凝土面层的分格缝,应与垫层的缩缝对齐。
6.0.12.3 水磨石、水泥砂浆、聚合物砂浆等面层的分格缝,除应与垫层的缩缝对齐外,尚应根据具体设计要求缩小间距。主梁两侧和柱周宜分别设分格缝。
根据规范要求,砼路面的分格尺寸是6m*6m,分格缝用填缝材料填实
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