Cement

Cement - Portland, Blended, and Other Hydraulic Cements...

Info iconThis preview shows pages 1–26. Sign up to view the full content.

View Full Document Right Arrow Icon
Portland, Blended, and Other Hydraulic Cements
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic Oldest Concrete Found To Date dates around 7000 BC a lime concrete floor found during the construction of a road at Yiftah El in Galilee, Israel.
Background image of page 2
Portland, Blended, and Other Hydraulic Beginning of the Industry Portland cement was first patented in 1824 Named after the natural limestone quarried on the Isle of Portland in the English Channel
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic Portland Cement First Produced North America 1871— Coplay, Pennsylvania Canada 1889 — Hull, Quebec
Background image of page 4
Portland, Blended, and Other Hydraulic
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic Primary Components of Raw Materials Necessary for Portland Cement Manufacture Calcium Silica Alumina Iron
Background image of page 6
Blended, and Other Hydraulic Calcium Iron Silica Alumina Sulfate Alkali waste Aragonite Calcite Cement-kiln dust Cement rock Chalk Clay Fuller’s earth Limestone Marble Marl Seashells Shale Slag Blast- furnace flue dust Clay Iron ore Mill scale Ore washings Pyrite cinders Shale Calcium silicate Cement rock Clay Fly ash Fuller’s earth Limestone Loess Marl Ore washings Quartzite Rice-hull ash Sand Sandstone Shale Slag Traprock Aluminum- ore refuse Bauxite Cement rock Clay Copper slag Fly ash Fuller’s earth Granodiorit e Limestone Loess Ore washings Shale Slag Anhydrit e Calcium sulfate Gypsum
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic Quarry
Background image of page 8
Portland, Blended, and Other Hydraulic Traditional Manufacture of Portland Cement 1. Stone is first reduced to 125 mm (5 in.) size, then to 20 mm (3/4 in.), and stored.
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic 2. Raw materials are ground to powder and blended. or 2. Raw materials are ground, mixed with water to form slurry, and blended.
Background image of page 10
Portland, Blended, and Other Hydraulic 3. Burning changes raw mix chemically into cement clinker.
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic 4. Clinker with gypsum is ground into portland cement and shipped.
Background image of page 12
Portland, Blended, and Other Hydraulic
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic
Background image of page 14
Portland, Blended, and Other Hydraulic
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic Dry Process Manufacture of Portland Cement 1. Stone is first reduced to 125 mm (5 in.) size, then to 20 mm (3/4 in.), and stored.
Background image of page 16
Portland, Blended, and Other Hydraulic 2. Raw materials are ground, to powder and blended.
Background image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic 3. Burning changes raw mix chemically into clinker. Note four stage preheater, flash furnaces, and shorter kiln.
Background image of page 18
Portland, Blended, and Other Hydraulic 4. Clinker with gypsum is ground into portland cement and shipped
Background image of page 19

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic
Background image of page 20
Portland, Blended, and Other Hydraulic Clinke r Gypsu m
Background image of page 21

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic Process of Clinker Production (1)
Background image of page 22
Portland, Blended, and Other Hydraulic (2)
Background image of page 23

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Portland, Blended, and Other Hydraulic (3)
Background image of page 24
Portland, Blended, and Other Hydraulic Portland Cement By definition — a hydraulic cement produced by pulverizing clinker consisting essentially of hydraulic calcium silicates, usually containing one or more of the forms of calcium sulfate as an interground addition.
Background image of page 25

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 26
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 91

Cement - Portland, Blended, and Other Hydraulic Cements...

This preview shows document pages 1 - 26. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online