Đang tải... (xem toàn văn)
ĐỀ TÀI: CÁC LOẠI XI MĂNG THEO TIÊU CHUẨN NƯỚC NGOÀI (ASTM)INormalIANormal, airentrainingIIModerate sulfate resistanceIIAModerate sulfate resistance, airentrainingIIIHigh early strengthIIIAHigh early strength, airentrainingIVLow heat of hydrationVHigh sulfate resistance
CÁC LOẠI XI MĂNG THEO TIÊU CHUẨN NƯỚC NGOÀI (ASTM) Types of Portland Cement ASTM C 150 (AASHTO M 85) I IA II IIA Portland, Blended, and Other Hydraulic Cements Normal Normal, air-entraining Moderate sulfate resistance Moderate sulfate resistance, airentraining III High early strength IIIA High early strength, air-entraining IV Low heat of hydration V High sulfate resistance Potential compound composition,% Type of portland cement C3S C2 S C3A C4AF Blaine fineness m2/kg I (mean) 54 18 10 369 II (mean) 55 19 11 377 III (mean) 55 17 548 IV (mean) 42 32 15 340 V (mean) 54 Portland, Blended, and Other Hydraulic White (mean) 63 Cements 22 13 373 18 10 482 Chemical composition, % Type of portland cement SiO2 I (mean) 20.5 5.4 II (mean) 21.2 III (mean) IV (mean) Al2O3 Fe2O3 CaO MgO SO3 Na2Oeq 2.6 63.9 2.1 3.0 0.61 4.6 3.5 63.8 2.1 2.7 0.51 20.6 4.9 2.8 63.4 2.2 3.5 0.56 22.2 4.6 5.0 62.5 1.9 2.2 0.36 V (mean) 21.9 Portland, Blended, and Other Hydraulic White (mean) 22.7 Cements 3.9 4.2 63.8 2.2 2.3 0.48 4.1 0.3 66.7 0.9 2.7 0.18 Portland, Blended, and Other Hydraulic Cements Độ bền bê tông từ loại XM khác môi trường sunfate (Performance of Concretes Made with Different Cements in Sulfate Soil) Portland, Blended, and Other Hydraulic Cements Performance of Concretes Made with Different W/CRatios in Sulfate Soil Portland, Blended, and Other Hydraulic Cements Type II & Type V Sulfate Resistant Cements Portland, Blended, and Other Hydraulic Cements Outdoor Sulfate Test Type V Cement W/C-ratio = 0.65 Portland, Blended, and Other Hydraulic Cements Type V Cement W/C-ratio = 0.39 Moderate and Low Heat Cements Portland, Blended, and Other Hydraulic Cements Blended Hydraulic Cements ASTM C 595 (AASHTO M 240) Type IS Type IP Type P Type I(PM) Portland, Blended, and Other Hydraulic Cements Type S Type I(SM) Portland blast-furnace slag cement Portland-pozzolan cement Portland-pozzolan cement Pozzolan-modified portland cement Slag cement Slag-modified portland cement Hydraulic Cement ASTM C 1157 Type GU Type HE Type MS Type HS Type MH Portland, Blended, and Other Hydraulic Cements Type LH General use High early strength Moderate sulfate resistance High sulfate resistance Moderate heat of hydration Low heat of hydration Cement Applications Resistance to Moderate High Low heat Moderate High alkali-silica Cement General heat of early of sulfate sulfate reactivity specification purpose hydration strength hydration resistance resistance (ASR) ASTM C 150 (AASHTO M 85) portland cements I II (moderate heat option) ASTM C 595 (AASHTO M 240) blended hydraulic cements IS IP I(PM) I(SM) S, P IS(MH) IP(MH) I(PM)(MH) I(SM)(MH) Portland, ASTM C 1157Blended, and Other Hydraulic hydraulic GU cements Cements MH III HE IV II P(LH) IS(MS) IP(MS) P(MS) I(PM)(MS) I(SM)(MS) LH MS V Low alkali option Low reactivity option HS Option R Special cements Type Application White portland cements, I, II, III, V ASTM C 150 White or colored concrete, masonry, mortar, grout, plaster, and stucco White masonry cements, ASTM C 91 M, S, N White mortar between masonry units Masonry cements, ASTM C 91 M, S, N Mortar between masonry units, plaster, and stucco Mortar cements, ASTM C 1329 M, S, N Mortar between masonry units Plastic cements, ASTM C 1328 M, S Plaster and stucco Expansive cements, ASTM C 845 E-1(K), E-1(M), E-1(S) Shrinkage compensating concrete (Bê tông bù co rút) Oil-well cements, APIPortland, Blended, 10 A, B, C, D, E, F, G, H Grouting wells and Other Hydraulic Water-repellent cements Cements Tile grout, paint, and stucco finish coats Special cements Type Application Cements with functional additions, ASTM C 595 (AASHTO M 240), ASTM C 1157 General concrete construction needing special characteristics such as; water-reducing, retarding, air entraining, set control, and accelerating properties Finely ground (ultrafine) cement Geotechnical grouting Calcium aluminate cement Repair, chemical resistance and high temperature exposures Magnesium phosphate cement Repair and chemical resistance Geopolymer cement General construction, repair, waste stabilization Ettringite cements Sulfur cements Waste stabilization Repair and chemical resistance Portland, Blended, General paving where very rapid and Other Hydraulic Rapid hardening hydraulic (about hours) strength VH, MR, GC Cements cement development Masonry Cements Type N — for Type O and Type N mortars and with portland cement for mortar Types S and M Type S — for Type S mortar Portland, Blended, and Other Hydraulic Cements Type M — for Type M mortar Stucco using Masonry or Plastic Cements Portland, Blended, and Other Hydraulic Cements Finely-Ground Cements Grout penetration in soil Portland, Blended, and Other Hydraulic Cements Expansive Cement Concrete Portland, Blended, and Other Hydraulic Cements Drinking Water Applications Portland, Blended, and Other Hydraulic Cements Setting Times for Portland Cements Portland, Blended, and Other Hydraulic Cements Mortar Cubes ASTM C 109 (AASHTO T 106) Portland, Blended, and Other Hydraulic Cements Strength Development of Mortar Cubes Portland, Blended, and Other Hydraulic Cements Strength Development Type I and II Cements Portland, Blended, and Other Hydraulic Cements Strength Development Type III, IV, and V Cements Portland, Blended, and Other Hydraulic Cements