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一份完整C50空心板配合比 [复制链接]

kongxinmian
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  • 2008-05-06
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发表于 2008-08-11 20:39 |只看楼主
一份完整C50空心板配合比C50空心板砼配合比计算及说明Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
一、试验依据Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
1、《公路工程水泥及水泥混凝土试验规程》JTG E30—2005Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
2、《公路工程集料试验规程》JTG E42—2005Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
3、《普通混凝土配合比设计规程》JGJ55—2000Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
4、《公路桥涵施工技术规范》JTJ041—2000Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
二、设计要求Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
1、该砼配合比设计强度等级：C50，试配强度：59.9MpaÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
2、坍落度设计要求：70—90mmÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
3、该配合比设计单位重量：2452Kg/m3Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
4、该配合比拟用部位：预制空心板梁Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
三、原材料情况Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
1、砂：为江西石城砂场生产的粗砂。经试验检测该批砂各项指标均满足规范要求。具体指标如下：Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

表观密度(g/m3）Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

堆积密度kg/m3）Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

空隙率（%）Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

含泥量（%）Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

细度模数（Mx）Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

泥块含量（%）Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2608Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1499Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

42.5Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1.4Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

3.30Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.5Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2、碎石：为淮土料场生产的4.75—26.5碎石。经试验检测该批碎石4.75-16mm占25%和4.75-26.5mm占75%各项指标均满足规范要求。具体指标如下：Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

表观  密度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
kg/m3 Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

堆积  密度kg/m3Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

空隙 率Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
% Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

含泥  量Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
% Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

针、片状颗粒总含量Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
% Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

泥块 含量 % Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

压碎 值Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
% Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

颗粒   级配Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

小于2.36㎜颗粒含量Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
% Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2610Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1512Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

42.1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.3Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

4.2Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.0Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

6.8Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

4.75-26.5Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.2Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

3、水泥：为江西瑞金生产的“万年青”牌P·O42.5R水泥。经试验检测该批（DP4085 A）水泥各项指标均符合规范要求。具体指标如下：Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

细度 % Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

标准稠度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
用水量 % Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

初凝时间MINÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

终凝时间MINÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

安定性Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

3天抗折强度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

28天抗折强度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

3天抗压强度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

28天压 折强度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2.8Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

27.0Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

140Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

212Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2.8Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

5.1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

7.4Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

28.0Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

47.3Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

4、水：饮用水。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
5、外加剂为广州建宝新型建材有限公司生产的FDN-5B高效减水剂（粉末状颗粒），掺量为胶凝材料的1.4%。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
四、配合比计算Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
初步配合比计算如下：Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
1、试配强度的计算：FC=50+1.645*6=59.9Mpa；Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
2、水灰比的计算：本配合比采用假定法进行选定W/C，0=0.32；Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
3、选定单位用水量：因设计坍落度为70-90则取W=191Kg/m3，但FDN-5B减水率为17%，W，0=191*（1-0.17）=159Kg/m3，，Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
4、计算单位水泥用量：C，0=W/（W/C）=497 Kg/m3；Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
5、根据经验确定砂率：SP=31%；Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
6、计算减水剂用量：497*0.014=6.958 Kg/m3；Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
7、计算砂、石用量MS0、MG0 (采用质量法)Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
假定砼密度为2452Kg/m3得：MS0=555Kg/m3，MG0=1234Kg/m3；Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
8、经初步配合比按8升量进行试拌，该配合比的实测坍落度80mm、78mm，满足设计的70—90mm的设计要求，棍度和含砂情况为中等，保水性和粘聚性均良好。所以该初步配合比做为基准配合比。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
基准配合比各原材料单位用量如下：Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
水泥：砂：碎石(4.75-26.5)：碎石(4.75-16)：水:FDN-5B=497：555：926：308:159:6.958=1：1.117：1.863：0.620:0.32:0.014在基准配合比的基础上，保持用水量不变，水灰比各增加或减少0.02，砂率也相应各增加或减少1%，则对应的W/C=0.30，SP=30%和W/C=0.34，SP=32%。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
则相应的配合比各原材单位用量如下：Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

组号Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

水灰比Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

砂率Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

每m3材料用量（㎏）Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

7天抗压强度MpaÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

28天抗压强度MpaÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

水泥Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

砂Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

碎石4.75-26.5Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

碎石4.75-16Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

水Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

FDN-5BÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

AÒ4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.32Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

31Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

497Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

555Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

926Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

308Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

155Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

6.958Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1109.5Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1248.1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1186.4Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1406.7Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1430.1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1353.7Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

49.3Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

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1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1.117Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1.863Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.620Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

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0.014Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

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62.1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

实测坍落度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

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实测砼密度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2452Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

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0.34Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

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50.0Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

51.6Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

56.7Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

59.4Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

62.1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1.244Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

1.981Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.660Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.34Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

0.014Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

49.7Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

59.4Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

实测坍落度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

83Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

80Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

实测砼密度Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2452Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

2447Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a

根据以上配合比试验结果分析,A组、B组配合比满足试配强度要求，但本配合比为室内配合比，砂及碎石的含水量为零，在现场施工中应实测现场砂及碎石的含水量，并根据砂及碎石的现场含水量换算为施工配合比。恳请试验监理工程师结合施工单位的施工水平以及施工现场的实际情况,选取A组或B组配合比指导现场施工,请贵办审批。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
水泥：砂：碎石（4.75-26.5）：碎石（4.75-19）：水：FDN-5B=Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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最后编辑3c3t 最后编辑于 2008-08-11 20:54:16
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lidexing
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t T
发表于 2008-08-23 10:15 |只看该用户

回复：一份完整C50空心板配合比

谢谢Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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gb70088
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t T
发表于 2008-09-09 22:28 |只看该用户

回复：一份完整C50空心板配合比

配合比的资料，收集起来还是有很大用处的。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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LIUJUN1711
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t T
发表于 2009-03-22 09:17 |只看该用户

回复：一份完整C50空心板配合比

好，顶一下Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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t T
发表于 2009-03-22 14:01 |只看该用户

回复：一份完整C50空心板配合比

谢谢楼主  学习了!Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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t T
发表于 2009-04-02 19:18 |只看该用户

回复：一份完整C50空心板配合比

非常好的一份资料..谢谢楼主啦Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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笨小孩
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t T
发表于 2010-03-05 21:48 |只看该用户

谢谢楼主Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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redrose_3
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t T
发表于 2010-03-10 17:09 |只看该用户

谢谢楼主，不过说积分不够不让下载！Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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t T
发表于 2010-05-22 14:54 |只看该用户

真的是太好了，这下可以节省很多时间了。我们今年正好用上这个C50的配合比Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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t T
发表于 2010-05-23 02:31 |只看该用户

楼主的资料很详细，内容比较真实，而且能够把相应的参考规范名称都写出来，方便其他网友进行细致的学习和改进。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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t T
发表于 2010-05-23 02:35 |只看该用户

因为沙石和水泥品种及外加剂的种类都有所区别，建议"xieshaoche“会员最好不要生搬硬套，最好能够在楼主的配比基础上，自己进行试配。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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czbshl

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t T
发表于 2010-05-27 09:20 |只看该用户

太好了Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
曹贞波
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t T
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good！！！！！Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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支持Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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谢谢谢谢谢谢你啦Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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安宁

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楼主的资料很详细，内容比较真实，而且能够把相应的参考规范名称都写出来，方便其他网友进行细致的学习和改进。Ò4¯Cw³(9ÄÏbbs.3c3t.comG\ü~ß$Q˜9a
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