Concrete

**concrete**
	composite construction material Concrete texture
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Subclass of	composite material; malleable material;
Part of	composite construction;
Made from material	cement; mixing water; aggregate; additive;
Different from	concrete surface; asphalt concrete;
Authority file
	Q22657; GND ID: 4006111-5; Library of Congress authority ID: sh85030647; Bibliothèque nationale de France ID: 11931040z; NDL Authority ID: 00566575; BNCF Thesaurus ID: 3567; NL CR AUT ID: ph114136; U.S. National Archives Identifier: 10637757; BabelNet ID: 00021607n; National Library of Israel J9U ID: 987007553055405171
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<nowiki>hormigón; betōng; Bedong; beton; Steinsteypa; കോൺക്രീറ്റ്; betong; beton; konkrit; Beton; Ekhonkrithi; betong; concrete; ګاګره; Бетон; بتون; beton ciment; کنکریٹ; Betono; beton; betón; beton; бетон; Tembok; Бетон; beton; Beton; 콘크리트; Бетон; betono; beton; Beton; Fornigón; কংক্রিট; béton de ciment; Beton; beton; คอนกรีต; beton; beton; בעטאן; hormigoi; бетон; bê tông; Betonas; betons; Beton; бетон; coincréit; formigó; concreto; concrete; Бетон; Khong-kuh-lih; betong; beton; Beton; concrit; ಕಾಂಕ್ರೀಟ್; beetoon; concrete; خرسانة; Betoñs; betão; beton; 石屎; beton; бетон; бетон; Không-kú-li̍t; Beton; formigón; Betonvaney; Urmiyun; Beton; Ciment armaa; Betoni; بتن; 混凝土; Beton; ბეტონი; コンクリート; Beton; Bëtong; բետոն; betoon; בטון; Beton; Бетон; បេតុង; 混凝土; betoŋga; Beton; Petón; betoon; بيطون; calcestruzzo; Beton; Beton; பைஞ்சுதை; бэтон; concrete; betoni; కాంక్రీటు; कंक्रीट; Бетон; Rudus concretum; beton; कंक्रिट; beton; бетон; कंक्रित; beton; Kongkreto; Beton; ბეტონი; Konkreto; Zege; Cruadhtan; beton; کۆنکریت; Бетон; бетон; Бетон; formigón; Beton; σκυρόδεμα; Bèton; material para la construcción; cementből, adalékanyagokból és vízből kevert mesterséges építőanyag; строительный материал; Кампазытны матэрыял; κονίαμα, δηλ. μείγμα ορυκτών αδρανών, νερού, συνδετικών, με συνδετικό το τσιμέντο; matériau composite de construction; material de construcción; material de construcció resultant de la mescla de ciment amb grava, sorra i aigua.; цементҡа ҡом, ҡырсын ҡушып, һыуҙа иҙгән төҙөү материалы; härtendes Gemisch aus Zement, Gesteinskörnung und Zugabewasser; composite construction material; 건설용 자재 중 하나; արհեստական քարե շինանյութ; 複合建築材料; byggemateriale; material compozit de construcție; 建設等に用いられる複合材料; byggnadsmaterial; kompozit yapı malzemesi; bahan bangunan komposit; kompozyt wykorzystywany w budownictwie; חומר המשמש לבנייה; composiet bouwmateriaal; bahan pembinaan komposit; byggemateriale; విభిన్న భవనాలు, నిర్మాణాలు కట్టడానికి ఉపయోగించే ఒక ముఖ్యమైన పదార్థం; rakennusmateriaali; material de construción formado pola mestura de cemento, area, grava e auga; materiale di costruzione; kompozitní stavební materiál; קאנסטרוקציע מאטעריאל; hormigon; aglomerado rígido; aglomerado rigido; microconcreto; concreto; 石矢; Steypa; Konkretu; Betoi; beton; Urmigun; Hormigon; Hormigón; concrid; بتون; 砼; Concrete; 混泥土; 三合土; beton turnat; beton hidraulic; ベトン; 混凝土; コンクリ; Mikrobruk; Vattencementtal; Normalbetong; Vattenbindetal; бетони; товарний бетон; concretum; 콩크리트; 공구리; Құйматас; magra betonmiksaĵo; காங்கிறீட்டு; காங்கிறீற்று; கான்கிரீட்; gettata di cemento; gettata; beton; conglomerato; béton hydraulique; béton; Marka betona; concretados; betao; bêtông; bê-tông; Marka betona; Kungkreto; Kunkreto; Konkreto; Concrete; कङ्क्रिट; Beton; konstruksi beton; konkrit; Betó; Concrete; Gussmörtel; Papercrete; Asphalt/Beton; Betonage; Класове на бетона; Бетонова смес; งานคอนกรีต; Concrete; Armert betong; Tilsetningsstoff; betónové prísady; betónové prímesi; poured concrete; خرسانه; خرساني; الخرسانة; خرسانة وتسليح; بيتون; Μπετόν; hazır beton</nowiki>

Making

foundation slab
Pouring, raking and vibrating of concrete at Nortown Casitas, Toronto, Ontario, Canada.
Trowel machine

Finished structures

Cinder block (showing aggregate), mortar, and cast concrete.
Flower pot, probably made by employees at the norwegian cement mill at Slemmestad
earthquake rubble training

Pump

Pre-casting

Post-casting, broken open

Fractured seismic test specimen.
Burst seismic test specimen.
reinforcement
reinforcement
reinforcement

Post-casting, cut open

Sidewalk, ground down for safety, exposing gravel aggregate.
English: Minor casting defects.
Nederlands: Kleine gietfoutjes.
microstructure
calcite additive
recycled materials

Joints

Perimeter slab edge joint with incomplete firestop.

Through-penetrations

Main Gallery: Firestop

Concrete structures often have a fire-resistance rating, due to concrete's excellent fire-resistance. Openings must be firestopped to comply with building codes in order to restore the rating of the assembly.

Unsealed cable through-penetration in control room of coal-fired power plant.
Unsealed cable through-penetration in control room of coal-fired power plant.
Unsealed cable through-penetration in control room of coal-fired power plant.
Firestopped bathtub drain penetration.
Deutsch: Abschottung des Durchbruches einer Wasserabflußleitung durch Brandschutzmörtel
Cross barrier in a German power plant using firestop mortar.
Cross barrier fire test in Germany
Fire test with a firestop mortar inside a concrete floor slab.

Secondary efflorescence

Secondary efflorescence: Osteoporisis of the concrete.
Secondary efflorescence. The red marks are rust (iron oxide) from rebar.

Counterweights

33 t counterweight

History

Hennebique House (1894-1904 build) first concrete building in France. Bourg-la-Reine
The “Cathedral” building and the Pont Hardi of the Menier chocolate factory, built in 1906 in a specific reinforced concrete (béton fretté), Noisiel, France.
earthquake
earthquake
earthquake