CN1199905C - 一种预拌混凝土制品及其制造方法 - Google Patents
一种预拌混凝土制品及其制造方法 Download PDFInfo
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- CN1199905C CN1199905C CNB011320400A CN01132040A CN1199905C CN 1199905 C CN1199905 C CN 1199905C CN B011320400 A CNB011320400 A CN B011320400A CN 01132040 A CN01132040 A CN 01132040A CN 1199905 C CN1199905 C CN 1199905C
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- 239000004567 concrete Substances 0.000 title claims abstract description 113
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000004568 cement Substances 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 50
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 36
- 239000011707 mineral Substances 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002893 slag Substances 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 5
- 239000010881 fly ash Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 17
- 239000000047 product Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000011398 Portland cement Substances 0.000 claims description 6
- 239000003469 silicate cement Substances 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 15
- 239000000654 additive Substances 0.000 abstract description 7
- 230000036571 hydration Effects 0.000 abstract description 7
- 238000006703 hydration reaction Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 5
- 239000004575 stone Substances 0.000 abstract description 4
- 230000015271 coagulation Effects 0.000 abstract description 3
- 238000005345 coagulation Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 2
- 239000010883 coal ash Substances 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 25
- 238000012360 testing method Methods 0.000 description 15
- 238000003763 carbonization Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- -1 yellow ground Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
- C04B14/068—Specific natural sands, e.g. sea -, beach -, dune - or desert sand
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
编号 | 胶结料kg/m3 | 胶结料组成% | 外加剂FTH-2C | 水灰比W/C | 坍落度保留值mm | 抗压强度(MPa) | 拌和物和易性 | ||||||
P.O | F | 0h | 0.5h | 1.oh | R3 | R7 | R28 | R60 | |||||
P.O1 | 500 | 50 | 50 | 9.00 | 0.37 | 200 | 130 | 110 | 24.3 | 38.2 | 57.8 | 61.0 | 一般 |
P.O2 | 500 | 60 | 40 | 9.00 | 0.37 | 190 | 150 | 130 | 26.1 | 40.9 | 59.6 | 63.0 | 好 |
P.O3 | 500 | 70 | 30 | 9.00 | 0.37 | 200 | 165 | 150 | 28.5 | 43.1 | 62.4 | 65.7 | 好 |
P.O4 | 500 | 80 | 20 | 9.00 | 0.37 | 200 | 175 | 145 | 30.5 | 45.1 | 63.7 | 65.8 | 好 |
P.O5 | 500 | 100 | 0 | 9.00 | 0.37 | 190 | 180 | 160 | 38.5 | 56.4 | 65.4 | 67.0 | 好 |
编号 | 胶结料kg/m3 | 胶结料组成% | 外加剂FTH-2C | 水灰比W/C | 坍落度保留值mm | 抗压强度(MPa) | 拌和物和易性 | ||||||
P.II | F | 0h | 0.5h | 1.oh | R3 | R7 | R28 | R60 | |||||
P.II1 | 400 | 50 | 50 | 6.0 | 0.45 | 150 | 120 | 90 | 13.9 | 21.2 | 42.1 | 52.0 | 好 |
P.II2 | 400 | 60 | 40 | 6.0 | 0.45 | 180 | 150 | 110 | 15.2 | 25.3 | 48.6 | 55.2 | 好 |
P.II3 | 400 | 70 | 30 | 6.0 | 0.45 | 175 | 140 | 120 | 17.3 | 27.3 | 47.4 | 54.4 | 好 |
P.II4 | 400 | 80 | 20 | 6.0 | 0.45 | 180 | 175 | 150 | 20.5 | 30.8 | 46.7 | 56.2 | 好 |
P.II5 | 400 | 100 | 0 | 6.0 | 0.45 | 195 | 180 | 145 | 30.5 | 39.1 | 50.4 | 58.8 | 较好 |
P.II1 | 500 | 50 | 50 | 9.0 | 0.35 | 170 | 120 | 105 | 25.4 | 44.1 | 51.6 | 60.4 | 一般 |
P.II2 | 500 | 60 | 40 | 9.0 | 0.35 | 180 | 150 | 120 | 31.3 | 44.1 | 60.4 | 65.0 | 好 |
P.II3 | 500 | 70 | 30 | 9.0 | 0.35 | 200 | 160 | 145 | 34.8 | 48.6 | 62.0 | 67.1 | 好 |
P.II4 | 500 | 80 | 20 | 9.0 | 0.35 | 200 | 170 | 165 | 38.4 | 56.9 | 65.1 | 68.5 | 好 |
P.II5 | 500 | 100 | 0 | 9.0 | 0.35 | 210 | 185 | 170 | 42.2 | 58.9 | 69.8 | 73.8 | 较好 |
编号 | 胶结料kg/m3 | 掺量% | 胶结料组成% | 外加剂FTH-2C | 水灰比W/C | 坍落度保留值mm | 抗压强度(MPa) | 拌和物和易性 | |||||||
P.O | F | KF | 0h | 0.5h | 1.oh | R3 | R7 | R28 | R60 | ||||||
P.O1 | 430 | 28 | 72 | 28 | O | 6.4 | 0.42 | 205 | 190 | 170 | 20.9 | 23.2 | 42.1 | 51.2 | 好 |
P.O2 | 430 | 49 | 51 | 28 | 21 | 6.4 | 0.42 | 200 | 195 | 185 | 19.4 | 21.0 | 39.4 | 52.4 | 好 |
P.O3 | 460 | 25 | 75 | 25 | 0 | 8.3 | 0.39 | 195 | 185 | 170 | 23.1 | 34.9 | 52.6 | 57.0 | 好 |
P.O4 | 460 | 48 | 52 | 25 | 23 | 8.3 | 0.39 | 190 | 170 | 165 | 22.5 | 33.1 | 51.4 | 56.7 | 好 |
P.O5 | 500 | 22 | 78 | 22 | 0 | 10.0 | 0.36 | 205 | 190 | 175 | 25.5 | 40.1 | 60.4 | 62.8 | 好 |
P.O6 | 500 | 46 | 54 | 22 | 24 | 10.0 | 0.36 | 210 | 195 | 180 | 24.6 | 37.8 | 58.6 | 67.0 | 好 |
编号 | 胶结料kg/m3 | 掺量% | 胶结料组成% | 外加剂FTH-2C | 水灰比W/C | 坍落度保留值mm | 抗压强度(MPa) | 拌和物和易性 | |||||||
P.II | F | KF | 0h | 0.5h | 1.oh | R3 | R7 | R28 | R60 | ||||||
P.II1 | 400 | 40 | 60 | 40 | 0 | 6.4 | 0.45 | 185 | 175 | 155 | 17.2 | 27.8 | 40.5 | 47.3 | 好 |
P.II2 | 400 | 58 | 42 | 40 | 18 | 6.4 | 0.45 | 180 | 170 | 165 | 16.1 | 25.3 | 38.4 | 48.2 | 好 |
P.II3 | 430 | 30 | 70 | 30 | 0 | 7.7 | 0.42 | 175 | 165 | 150 | 21.4 | 33.0 | 53.2 | 58.3 | 好 |
P.II4 | 430 | 55 | 45 | 30 | 25 | 7.7 | 0.42 | 175 | 170 | 165 | 19.1 | 30.3 | 54.4 | 60.5 | 好 |
P.II5 | 480 | 20 | 80 | 20 | 0 | 10.0 | 0.38 | 190 | 175 | 160 | 26.1 | 36.5 | 57.5 | 63.3 | 好 |
P.II6 | 480 | 46 | 54 | 20 | 26 | 10.0 | 0.38 | 195 | 180 | 170 | 23.6 | 35.3 | 55.9 | 59.1 | 好 |
序号 | 强度等级 | 外加剂牌号 | 配合比(kg/m3) | 掺合比例% | ||||||
水 | 水泥 | 黄砂 | 碎石 | 粉煤灰 | 矿渣微粉 | 外加剂 | ||||
1 | C20 | EA-1 | 180 | 145 | 820 | 1030 | 80 | 80 | 1.35 | 52.4 |
2 | C20 | EA-1 | 180 | 160 | 820 | 1030 | 80 | 65 | 1.35 | 47.5 |
3 | C25 | EA-1 | 185 | 175 | 803 | 1017 | 70 | 90 | 1.59 | 47.8 |
4 | C25 | EA-1 | 185 | 202 | 803 | 1017 | 70 | 63 | 1.59 | 39.7 |
5 | C30 | EA-1 | 186 | 206 | 771 | 1027 | 80 | 91 | 1.77 | 45.3 |
6 | C30 | EA-1 | 186 | 236 | 771 | 1027 | 80 | 61 | 1.77 | 37.4 |
7 | C35 | EA-1 | 186 | 231 | 737 | 1024 | 81 | 101 | 1.98 | 44.0 |
8 | C35 | EA-1 | 186 | 261 | 737 | 1024 | 81 | 61 | 1.98 | 35.2 |
9 | C40 | EA-1 | 191 | 256 | 696 | 1028 | 80 | 111 | 2.19 | 42.7 |
10 | C40 | EA-1 | 191 | 291 | 696 | 1028 | 80 | 76 | 2.19 | 34.9 |
11 | C50 | FTH-2C | 171 | 307 | 715 | 1027 | 60 | 120 | 8.50 | 36.9 |
12 | C50 | FTH-2C | 171 | 332 | 715 | 1027 | 60 | 95 | 8.50 | 31.8 |
13 | C55 | FTH-2C | 172 | 343 | 686 | 1029 | 60 | 120 | 11.04 | 34.4 |
14 | C55 | FTH-2C | 172 | 363 | 686 | 1029 | 60 | 100 | 11.04 | 30.5 |
15 | C60 | FTH-2C | 172 | 392 | 652 | 1024 | 50 | 120 | 12.28 | 30.0 |
16 | C60 | FTH-2C | 172 | 432 | 652 | 1024 | 50 | 80 | 12.28 | 23.1 |
序号 | 强度等级 | 新拌混凝土性能 | 混凝土凝结时间(h:min) | 混凝土抗压强度(MPa) | |||
和易性 | 坍落度损失水泥 | 初凝时间 | 终凝时间 | 3天 | 28天 | ||
1 | C20 | 好 | 145/130/110 | 6:20 | 10:30 | 16.7 | 30.1 |
2 | C20 | 好 | 150/120/100 | 6:45 | 10:40 | 15.8 | 31.2 |
3 | C25 | 较好 | 150/140/130 | 7:08 | 10:56 | 18.3 | 32.1 |
4 | C25 | 较好 | 145/130/120 | 6:50 | 10:47 | 19.2 | 33.6 |
5 | C30 | 较好 | 150/120/115 | 6:47 | 11:20 | 21.4 | 35.6 |
6 | C30 | 较好 | 155/130/110 | 7:22 | 11:56 | 20.6 | 36.1 |
7 | C35 | 好 | 150/140/120 | 7:18 | 11:02 | 25.1 | 42.2 |
8 | C35 | 好 | 150/130/115 | 7:25 | 11:15 | 23.9 | 44.6 |
9 | C40 | 好 | 145/110/90 | 8:30 | 11:32 | 29.1 | 47.1 |
10 | C40 | 好 | 150/120/95 | 8:15 | 10:42 | 27.9 | 48.5 |
11 | C50 | 好 | 185/165/135 | 8:30 | 11:26 | 38.4 | 60.2 |
12 | C50 | 好 | 180/160/150 | 8:10 | 10:47 | 36.1 | 61.5 |
13 | C55 | 好 | 180/170/150 | 8:21 | 11:27 | 46.6 | 65.6 |
14 | C55 | 好 | 185/170/145 | 8:40 | 11:51 | 47.2 | 63.2 |
15 | C60 | 好 | 190/180/165 | 8:56 | 12:18 | 52.1 | 68.2 |
16 | C60 | 好 | 200/190/165 | 8:37 | 11:45 | 49.2 | 70.1 |
混凝土等级 | 每立方米混凝土原材料用量(kg) | ||||||
水 | 水泥 | 矿渣微粉 | 粉煤灰 | 黄砂 | 碎石 | 外加剂 | |
C30 | 186 | 206 | 80 | 91 | 771 | 1027 | 1.77 |
经时坍落度(mm) | 混凝土凝结时间(h:min) | 混凝土含气量 | 混凝土和易性 | |||
出机时 | 0.5h | 1.0h | 初凝 | 终凝 | ||
160 | 145 | 120 | 7:16 | 11:43 | 1.6% | 好 |
混凝土试块龄期 | 3天 | 7天 | 28天 | 60天 |
混凝土抗压强度 | 14.3 | 26.6 | 37.2 | 43.4 |
序号 | 指标名称 | 单位 | 试验结果 |
1 | 劈裂抗拉强度 | MPa | 3.5 |
2 | 抗折强度 | MPa | 6.9 |
3 | 轴心抗压强度 | MPa | 27.5 |
4 | 弹性模量 | MPa | 3.5×104 |
混凝土强度等级 | 抗渗等级(S) | 抗冻性能 | |
D100重量损失率(%) | D100强度损失率(%) | ||
C30 | S>6 | 1.5 | 6.5 |
强度等级 | 混凝土不同龄期收缩值ε×10-6 | ||||||||
1天 | 3天 | 7天 | 14天 | 28天 | 45天 | 60天 | 90天 | 120天 | |
C30 | 25 | 66 | 102 | 187 | 252 | 276 | 329 | 371 | 436 |
混凝土强度等级 | 快速碳化龄期(天) | 相当碳化自然年限(年) | 碳化后试件平均碳化深度(mm) |
28 | 50 | 7.8 | |
C30 | 56 | 100 | 12.5 |
注:混凝土人工碳化试验条件:温度:20±5℃,相对湿度70±5%,CO2浓度20±3% |
Claims (7)
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CNB011320400A CN1199905C (zh) | 2001-10-29 | 2001-10-29 | 一种预拌混凝土制品及其制造方法 |
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CNB011320400A CN1199905C (zh) | 2001-10-29 | 2001-10-29 | 一种预拌混凝土制品及其制造方法 |
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CN1417153A CN1417153A (zh) | 2003-05-14 |
CN1199905C true CN1199905C (zh) | 2005-05-04 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101575194B (zh) * | 2008-05-08 | 2012-11-07 | 上海建工材料工程有限公司 | 一种c80泵送混凝土及其制备方法 |
CN103304204B (zh) * | 2013-06-28 | 2015-04-22 | 上海建工材料工程有限公司 | 一种用于特大型桥梁建造的超缓凝、高泊松比、可调保坍性的c55预应力张拉混凝土 |
CN105948619A (zh) * | 2016-04-28 | 2016-09-21 | 十九冶成都建设有限公司 | 利用粉煤灰和矿粉双掺技术配制的抗裂大体积混凝土 |
CN108569871A (zh) * | 2018-04-25 | 2018-09-25 | 临泉县凯晟建筑工程有限公司 | 一种基层建筑专用稳定型混凝土熟料 |
CN109270255A (zh) * | 2018-09-30 | 2019-01-25 | 珠海春禾新材料研究院有限公司 | 一种预测预拌混凝土强度的方法 |
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