砖砌平拱过梁,拱脚应深入墙内不小于多少,拱底应有多大的起拱? A. 10mm,0. 5% B. 15mm,0. 8% C. 20mm,1% D. 25m...

作者: tihaiku 人气: - 评论: 0
问题 砖砌平拱过梁,拱脚应深入墙内不小于多少,拱底应有多大的起拱? A. 10mm,0. 5% B. 15mm,0. 8% C. 20mm,1% D. 25mm,2%
选项
答案 C
解析 提示:依据《砌体工程施工质量验收规范》(GB 50203-2002)中第5. 1. 7条规定,砖砌平拱过梁,拱脚应深入墙内不小于20mm,拱底应有1%的起拱。

相关内容:砖砌,平拱,过梁,拱脚,拱底,起拱,25m...

猜你喜欢

发表评论
更多 网友评论0 条评论)
暂无评论
错误啦!

错误信息

  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
  • 文件: /twcms/kongphp/cache/cache_redis.class.php
  • 位置: 第 85 行
    <?php echo 'KongPHP, Road to Jane.'; ?>