监理检测网论坛

注册

 

返回列表
发新话题 回复该主题
查看: 1908|回复: 1

[公路] 水运工程混凝土质量控制标准》(JTJ 269—96） [复制链接]

3c3t
头像

  • 管理员
  • 10476
  • 57054
  • 2006-01-01
监理工程师勋章检测工程师勋章副管理员网校学员论坛元老
1#
t T
发表于 2011-06-25 23:56 |只看楼主
3、《水运工程混凝土质量控制标准》(JTJ 269—96)ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．1．1* 混凝土拌合物质量指标的检验应符合下列规定：ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
(1)各种混凝土拌合物均检验其稠度；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
(2)有抗冻要求的混凝土拌合物检验其含气量；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
(3)流动性和大流动性混凝土拌合物检验其稠度损失；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
(4)根据需要检验混凝土拌合物的均匀性；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
(5)有温度控制要求的混凝土拌合物，检测其温度。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．2．1 混凝土的强度等级应按立方体抗压强度标准值fcu，k(N／mm2)划分，其分级如表3．2．1。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
混凝土强度等级ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
表3．2．1ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

普通混凝土ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C10ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C15ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C20ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C25ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C30ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C35ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C40ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C45ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C50ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C55ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C60ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C70ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C80ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

引气混凝土ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

—ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C15ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C20ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C25ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C30ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C35ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

C40ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

—ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

—ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

—ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

—ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

—ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

—ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
注：立方体抗压强度标准值系指按标准方法制作和养护的边长为150mm的立方体试件，在28d龄期，用标准试验方法测得的抗压强度总体分布中的一个值，强度低于该值的百分率不超过5％。 ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．2 海水环境混凝土在建筑物上部位的划分应符合表3．3．2的规定。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
海水环境混凝土部位划分ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
表3．2．2ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

大气区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

浪溅区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水位变动区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水下区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

设计高水位加1.5m以上ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

设计高水位加1.5m至设计高水位减1.0m之间ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

设计高水位减1.0m至设计低水位减1.0m之间ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

设计低水位减1.0m以下ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
　注：①对开敞式建筑物，其浪溅区上限，可根据受浪的具体情况适当调高；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
　　　　②对掩护条件良好的建筑物，其浪溅区上限可适当调低。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．3 淡水环境混凝土在建筑物上部位的划分，应符合表3．3．3的规定ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
淡水环境混凝土部位划分ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
表3．3．3ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水上区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水下区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水位变动区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

设计高水位以上ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

设计低水位以下ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水上区与水下区之间ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
注：水上区也可按历年平均最高水位以上划分。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．5 海水环境钢筋混凝土的保护层最小厚度应符合表3．3．5的规定。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
海水环境钢筋混凝土保护层最小厚度(mm) 表3．3．5ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

建筑物所处地区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

大气区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

浪溅区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水位变动区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水下区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

北方ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

50ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

50ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

50ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

30ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

南方ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

50ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

65ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

50ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

30ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
　注：①混凝土保护层厚度系指主筋表面与混凝土表面的最小距离；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
　　　　②表中数值系箍筋直径为6mm时主钢筋的保护层厚度，当箍筋直径超过6mm时，保护层厚度应按表中规定增加5mm；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
　　　　③位于浪溅区的码头面板、桩等细薄构件的混凝土保护层，南、北方一律取用50mm；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
　　　　④南方指历年最冷月月平均气温大于0℃的地区。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．6* 海水环境预应力混凝土的保护层最小厚度应符合下列规定。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．6．1* 当构件厚度为0．5m以上时应符合表3．3．6的规定。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
海水环境预应力筋的混凝土保护层最小厚度值(mm) 表3．3．6ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

所以部位ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

大气区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

浪溅区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水位变动区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水下区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

保护层厚度ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

75ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

90ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

75ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

75ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
注：①构件厚度系指规定保护层最小厚度的方向上的构件尺寸；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
②后张法的预应力筋保护层厚度系指预留孔道壁至构件表面的最小距离；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
③制作构件时，如采取特殊工艺或专门防腐措施，应经充分技术论证，对钢筋的防腐蚀作用确有保证时，保护层厚度方可不受上述规定的限制；ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
④永存应力小于400N／mm2的预应力筋的保护层厚度，按本标准表3．3．5执行。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．6．2* 当构件厚度小于0．5m时，预应力筋的混凝土保护层最小厚度应为2．5倍预应力筋直径，但不得小于50mm。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．7* 淡水环境受力钢筋的混凝土保护层最小厚度应符合表3．3．7的规定。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
淡水环境主筋混凝土保护层最小厚度(mm) 表3．3．7ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

建筑物ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
所处环境ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水上区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水位ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
变动区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水下区ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

水汽积聚ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

不受水汽积聚ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

北方ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

40ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

30ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

40ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

25ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

南方ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

40ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

30ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

30ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

25ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ

ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
注：①箍筋直径超过6mm时，保护层厚度应按表中规定增加5mm。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
3．3．9 水位变动区有抗冻要求的混凝土，其抗冻等级不应低于表3．3．9 的规定。ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
水位变动区混凝土抗冻等级选定标准ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
表3．3．9ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
...........ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
附件:您需要登录才可以下载或查看附件。没有帐号? 注册
分享 转发
TOP
zmhpub
头像

  • 助理工程师
  • 66
  • 486
  • 2007-03-30
2#
t T
发表于 2011-08-10 07:07 |只看该用户

有哪些区别啊ÅÏæk¤Y©<ø—bbs.3c3t.comÉEÌ9bpÔÜWÉ
TOP
上一主题| 下一主题
返回列表
发主话题 回复该主题
高级编辑器高级编辑器