CÁC LOẠI XI MĂNG THEO TIÊU CHUẨN NƯỚC NGOÀI (ASTM)

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)

Portland, Blended,

and Other Hydraulic

Cements

Types of Portland Cement

I Normal

IA Normal, air-entraining

II Moderate sulfate resistance

IIA Moderate sulfate resistance,

air-entraining

III High early strength

IIIA High early strength, air-entraining

IV Low heat of hydration

V High sulfate resistance

ASTM C 150 (AASHTO M 85)

I (mean) 20.5 5.4 2.6 63.9 2.1 3.0 0.61

II (mean) 21.2 4.6 3.5 63.8 2.1 2.7 0.51 III (mean) 20.6 4.9 2.8 63.4 2.2 3.5 0.56

IV (mean) 22.2 4.6 5.0 62.5 1.9 2.2 0.36

V (mean) 21.9 3.9 4.2 63.8 2.2 2.3 0.48 White (mean) 22.7 4.1 0.3 66.7 0.9 2.7 0.18

Portland, Blended, and Other Hydraulic Cements

Portland, Blended,

and Other Hydraulic

Cements

Độ bền của bê tông từ các loại XM

khác nhau trong 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/C- Ratios in Sulfate Soil

Portland, Blended,

and Other Hydraulic

Cements

Outdoor Sulfate Test

Type V Cement W/C-ratio = 0.65 Type V Cement W/C-ratio = 0.39

Portland, Blended,

and Other Hydraulic

Cements

Moderate and Low Heat

Cements

Portland, Blended,

and Other Hydraulic

Cements

Type III High

Early Strength Cements

Portland, Blended,

and Other Hydraulic

Cements

White Portland Cement

Portland, Blended,

and Other Hydraulic

Cements

Blended Cements

Clinker Gypsum Portland cement Fly ash

Slag Silica Fume Calcined Clay

Portland, Blended,

and Other Hydraulic

Cements

Blended Hydraulic Cements

Type IS Portland blast-furnace

Type S Slag cement

Type I(SM) Slag-modified portland

cement

ASTM C 595 (AASHTO M 240)

Portland, Blended,

and Other Hydraulic

Cements

Hydraulic Cement

Type GU General use

Type HE High early strength

Type MS Moderate sulfate

resistance

Type HS High sulfate resistance

Type MH Moderate heat of

hydration

Type LH Low heat of hydration

ASTM C 1157

Moderate heat of hydration

High early strength

Low heat of hydration

Moderate sulfate resistance

High sulfate resistance

Resistance

to alkali-silica reactivity (ASR)

S, P

IS(MH) IP(MH) I(PM)(MH) I(SM)(MH)

P(LH)

IS(MS) IP(MS) P(MS) I(PM)(MS) I(SM)(MS)

Low reactivity option

ASTM C 1157

hydraulic

cements

Portland, Blended,

and Other Hydraulic

Cements

White portland cements,

ASTM C 150 I, II, III, V White or colored concrete, masonry, mortar, grout, plaster,

and stuccoWhite masonry

Masonry cements,

ASTM C 91 M, S, N Mortar between masonry units, plaster, and stuccoMortar cements, ASTM

Plastic cements, ASTM

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, API-

Portland, Blended,

and Other Hydraulic

Cements

Cements with functional

accelerating properties

Finely ground (ultrafine)

Calcium aluminate cement Repair, chemical resistance and high temperature exposures

Magnesium phosphate

stabilization

Rapid hardening hydraulic

Portland, Blended,

and Other Hydraulic

Cements

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

Type M — for Type M mortar

Portland, Blended,

and Other Hydraulic

Cements

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

Mortar Cubes

ASTM C 109 (AASHTO T 106)

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