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一份完整C50空心板配合比 [复制链接]

1#
一份完整C50空心板配合比C50空心板砼配合比计算及说明R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
一、试验依据R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
1、《公路工程水泥及水泥混凝土试验规程》JTG E30—2005R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
2、《公路工程集料试验规程》JTG E42—2005R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
3、《普通混凝土配合比设计规程》JGJ55—2000R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
4、《公路桥涵施工技术规范》JTJ041—2000R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
二、设计要求R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
1、该砼配合比设计强度等级:C50,试配强度:59.9MpaR*jC0÷Ôˆbbs.3c3t.comêjSKRdln
2、坍落度设计要求:70—90mmR*jC0÷Ôˆbbs.3c3t.comêjSKRdln
3、该配合比设计单位重量:2452Kg/m3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
4、该配合比拟用部位:预制空心板梁R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
三、原材料情况R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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:R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

表观密度(g/m3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

堆积密度kg/m3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

空隙率(%R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

含泥量(%R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

细度模数(MxR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

泥块含量(%R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2608R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1499R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

42.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1.4R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

3.30R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

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:R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

表观  密度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
kg/m3
R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

堆积  密度kg/m3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

空隙 R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
%
R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

含泥  R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
%
R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

针、片状颗粒总含量R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
%
R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

泥块 含量 % R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

压碎 R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
%
R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

颗粒   级配R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

小于2.36㎜颗粒含量R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
%
R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2610R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1512R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

42.1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

4.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.0R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

6.8R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

4.75-26.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

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:R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

细度 % R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

标准稠度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
用水量 %
R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

初凝时间MINR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

终凝时间MINR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

安定性R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

3天抗折强度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

28天抗折强度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

3天抗压强度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

28天压 折强度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2.8R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

27.0R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

140R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

212R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2.8R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

5.1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

7.4R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

28.0R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

47.3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

4、水:饮用水。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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%。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
四、配合比计算R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
初步配合比计算如下:R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
1、试配强度的计算:FC=50+1.645*6=59.9Mpa;R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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;R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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,,R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
4、计算单位水泥用量:C,0=W/(W/C)=497 Kg/m3;R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
5、根据经验确定砂率:SP=31%;R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
6、计算减水剂用量:497*0.014=6.958 Kg/m3;R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
7、计算砂、石用量MS0、MG0 (采用质量法)R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
假定砼密度为2452Kg/m3得:MS0=555Kg/m3,MG0=1234Kg/m3;R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
基准配合比各原材料单位用量如下:R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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%。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
则相应的配合比各原材单位用量如下:R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

组号R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

水灰比R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

砂率R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

m3材料用量(㎏)R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

7天抗压强度MpaR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

28天抗压强度MpaR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

水泥R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

碎石4.75-26.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

碎石4.75-16R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

FDN-5BR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

AR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.32R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

31R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

497R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

555R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

926R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

308R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

155R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

6.958R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1109.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1248.1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1186.4R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1406.7R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1430.1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1353.7R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

49.3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

55.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

52.7R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

62.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

63.6R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

60.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1.117R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1.863R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.620R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.32R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.014R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

52.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

62.1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

实测坍落度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

80R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

78R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

实测砼密度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2452R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2449R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

BR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.30R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

30R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

530R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

527R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

922R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

307R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

159R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

7.42R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1263.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1231.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1296.9R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1406.7R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1512.4R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1548.R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

56.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

54.7R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

57.6R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

62.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

67.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

68.8R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.994R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1.740R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.579R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.30R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.014R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

56.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

66.2R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

实测坍落度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

73R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

76R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

实测砼密度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2453R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2458R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

CR*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.34R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

32R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

468R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

582R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

927R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

309R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

159R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

6.552R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1069.6R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1125.9R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1160.3R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1276.8R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1335.6R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1396.9R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

47.5R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

50.0R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

51.6R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

56.7R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

59.4R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

62.1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1.244R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

1.981R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.660R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.34R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

0.014R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

49.7R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

59.4R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

实测坍落度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

83R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

80R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

实测砼密度R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2452R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

2447R*jC0÷Ôˆbbs.3c3t.comêjSKRdln

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。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
水泥:砂:碎石(4.75-26.5):碎石(4.75-19):水:FDN-5B=R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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最后编辑3c3t 最后编辑于 2008-08-11 20:54:16
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2#

回复:一份完整C50空心板配合比

谢谢R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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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。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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4#

回复:一份完整C50空心板配合比

好,顶一下R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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5#

回复:一份完整C50空心板配合比

谢谢楼主  学习了!R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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6#

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R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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7#

谢谢楼主R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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8#

谢谢楼主,不过说积分不够不让下载!R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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9#

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R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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10#

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。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
祝愿监理检测论坛越来越壮大
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11#

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。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
祝愿监理检测论坛越来越壮大
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12#

太好了R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
曹贞波
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13#

good!!!!!R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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14#

支持R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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15#

谢谢谢谢谢谢你啦R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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16#

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。R*jC0÷Ôˆbbs.3c3t.comêjSKRdln
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