天气预报 > 其他 > 一块红砖承重几吨
一块红砖承重几吨
更新时间: 2020-11-02 00:00:00  

一块红砖一般能承重3-4kg,也就是0.004吨。红砖是以粘土,页岩,煤矸石等为原料,经粉碎,混合捏练后以人工或机械压制成型,经干燥后在900摄氏左右的温度下以氧化焰烧制而成的烧结型建筑砖块,由古巴比伦人发明。

红砖既有一定的强度和耐久性,又因其多孔而具有一定的保温绝热、隔音等优点。因此适用于作墙体材料,也可用于砌筑柱、拱、烟囱、地面及基础等。老式建筑多用它作建筑材料。

关键词: 一块 红砖 承重

一块红砖承重几吨相关经验

天气预报

最新推荐

页面:/news/view-757774/ | 耗时:0.5317 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=757774 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=757774 LIMIT 0,1
select * from tbl_Articles_sphinx where id=757774 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(119293,114497,114198,132462,123085,125246,2362229,1111796,112687,128008,122176,114609,130836,1122905,141118,124430,1111382,121172,140692,1111152,138129,122716,1114441,110605,116829,124579,123719,1064291,1127445,134635) ORDER BY field (ArticleID,119293,114497,114198,132462,123085,125246,2362229,1111796,112687,128008,122176,114609,130836,1122905,141118,124430,1111382,121172,140692,1111152,138129,122716,1114441,110605,116829,124579,123719,1064291,1127445,134635)