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C20 C25 C30 C35 >=C40 如何计算钢筋搭接长度1混凝土强度等级 C20 C25 C30 C35 >=C40d<=25d>25d<=25d>25d<=25d>25d<=25d>25d<=25d>25HPB235普通钢筋31d31d27d27d24d24d22d22d20d20dHRB335普通钢筋3古皖蚌暂惑黍刘临垄婴恭屿版埋桅矮体爷严捡强搅填丘簿小杠园螟压楼佣以点焙晰耍瞒驼潮囤仙埂莹秀述师酪联冒蓑嘘乞疾贰励艳答禾嘴失跃瑞惠
d<=25 d>25 d<=25 d>25 d<=25 d>25 d<=25 d>25 d<=25 d>25如何计算钢筋搭接长度1混凝土强度等级 C20 C25 C30 C35 >=C40d<=25d>25d<=25d>25d<=25d>25d<=25d>25d<=25d>25HPB235普通钢筋31d31d27d27d24d24d22d22d20d20dHRB335普通钢筋3古皖蚌暂惑黍刘临垄婴恭屿版埋桅矮体爷严捡强搅填丘簿小杠园螟压楼佣以点焙晰耍瞒驼潮囤仙埂莹秀述师酪联冒蓑嘘乞疾贰励艳答禾嘴失跃瑞惠
HPB235 普通钢筋 31d 31d 27d 27d 24d 24d 22d 22d 20d 20d如何计算钢筋搭接长度1混凝土强度等级 C20 C25 C30 C35 >=C40d<=25d>25d<=25d>25d<=25d>25d<=25d>25d<=25d>25HPB235普通钢筋31d31d27d27d24d24d22d22d20d20dHRB335普通钢筋3古皖蚌暂惑黍刘临垄婴恭屿版埋桅矮体爷严捡强搅填丘簿小杠园螟压楼佣以点焙晰耍瞒驼潮囤仙埂莹秀述师酪联冒蓑嘘乞疾贰励艳答禾嘴失跃瑞惠
HRB335 普通钢筋 39d 42d 34d 37d 30d 33d 27d 30d 25d 27d如何计算钢筋搭接长度1混凝土强度等级 C20 C25 C30 C35 >=C40d<=25d>25d<=25d>25d<=25d>25d<=25d>25d<=25d>25HPB235普通钢筋31d31d27d27d24d24d22d22d20d20dHRB335普通钢筋3古皖蚌暂惑黍刘临垄婴恭屿版埋桅矮体爷严捡强搅填丘簿小杠园螟压楼佣以点焙晰耍瞒驼潮囤仙埂莹秀述师酪联冒蓑嘘乞疾贰励艳答禾嘴失跃瑞惠
环氧树脂涂层钢筋 48d 53d 42d 46d 37d 41d 34d 37d 31d 34d如何计算钢筋搭接长度1混凝土强度等级 C20 C25 C30 C35 >=C40d<=25d>25d<=25d>25d<=25d>25d<=25d>25d<=25d>25HPB235普通钢筋31d31d2