MD2772B1 - Compozitie pentru prepararea betonului usor de inalta rezistenta - Google Patents

Compozitie pentru prepararea betonului usor de inalta rezistenta Download PDF

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Publication number
MD2772B1
MD2772B1 MDA20040215A MD20040215A MD2772B1 MD 2772 B1 MD2772 B1 MD 2772B1 MD A20040215 A MDA20040215 A MD A20040215A MD 20040215 A MD20040215 A MD 20040215A MD 2772 B1 MD2772 B1 MD 2772B1
Authority
MD
Moldova
Prior art keywords
light
preparation
weight
concrete
interval
Prior art date
Application number
MDA20040215A
Other languages
English (en)
Other versions
MD2772C2 (ro
Inventor
Nicolae Pruteanu
Ghers FISMAN
Ariel GOLDMAN
Original Assignee
Nicolae Pruteanu
Ghers FISMAN
Ariel GOLDMAN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nicolae Pruteanu, Ghers FISMAN, Ariel GOLDMAN filed Critical Nicolae Pruteanu
Priority to MDA20040215A priority Critical patent/MD2772C2/ro
Publication of MD2772B1 publication Critical patent/MD2772B1/ro
Publication of MD2772C2 publication Critical patent/MD2772C2/ro

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Abstract

Inventia se refera la materialele de constructie si este utilizata pentru prepararea betonului usor de inalta rezistenta. Esenta inventiei consta in aceea ca compozitia contine un amestec de ingrediente, in % mas. :ciment Portland 15...20nisip 14...20silice fin macinata 3...15pietris cu fractia 5...15 mm 20...40superplastifiant pe baza de policarboxilati eterici 1...3apa restul,si umplutura usoara de forma sferica cu dimensiunea de 5...15 mm in cantitate de 13...41% de la volumul amestecului. Totodata, in calitate de umplutura pot fi utilizati polimeri expandati, bile cave de polimeri sau de sticla. Rezultatul consta in imbunatatirea proprietatilor de baza ale betonului si anume a densitatii in intervalul 1000...2445 kg/m3 si a rezistentei la compresiune in intervalul 12...85 MPa, imbinand astfel proprietatile betoanelor grele (rezistenta inalta) cu ale betoanelor usoare (schimb de caldura mic). ŕ
MDA20040215A 2004-09-09 2004-09-09 Compozitie pentru prepararea betonului usor de inalta rezistenta MD2772C2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20040215A MD2772C2 (ro) 2004-09-09 2004-09-09 Compozitie pentru prepararea betonului usor de inalta rezistenta

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20040215A MD2772C2 (ro) 2004-09-09 2004-09-09 Compozitie pentru prepararea betonului usor de inalta rezistenta

Publications (2)

Publication Number Publication Date
MD2772B1 true MD2772B1 (ro) 2005-05-31
MD2772C2 MD2772C2 (ro) 2006-02-28

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ID=34617493

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20040215A MD2772C2 (ro) 2004-09-09 2004-09-09 Compozitie pentru prepararea betonului usor de inalta rezistenta

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MD (1) MD2772C2 (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022011511A1 (zh) * 2020-07-13 2022-01-20 维德斯新材料(上海)有限公司 一种外墙多功能基材及其制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2031892C1 (ru) * 1991-06-24 1995-03-27 Западно-Сибирский научно-исследовательский геологоразведочный нефтяной институт Бетонная смесь для изготовления конструкционных и конструкционно-теплоизоляционных изделий
RU2182141C2 (ru) * 2000-03-20 2002-05-10 Братский государственный технический университет Композиция для изготовления легкобетонных изделий

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022011511A1 (zh) * 2020-07-13 2022-01-20 维德斯新材料(上海)有限公司 一种外墙多功能基材及其制备方法

Also Published As

Publication number Publication date
MD2772C2 (ro) 2006-02-28

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Legal Events

Date Code Title Description
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees