Unlock instant, AI-driven research and patent intelligence for your innovation.
Crack-resistant and frost-resistant concrete
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A concrete and anti-cracking technology, applied in the field of concrete, can solve the problems of easy cracking, shortened life, and reduced performance, and achieves the effects of increasing fluidity, increasing strength, and reducing voids
Inactive Publication Date: 2018-12-07
蚌埠市方阵商品混凝土有限公司
View PDF6 Cites 11 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
In recent years, with the vigorous development of the domestic construction industry, the requirements for the strength and crack resistance of the concrete consumed in the construction process have been continuously improved. Cracks, the appearance and expansion of cracks will reduce the performance and shorten the life. Under low temperature conditions, the moisture in the concrete will freeze, and the volume increase after freezing will cause the surface of the building structure to peel off, which limits its application.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0018] A kind of anti-crackingantifreeze concrete proposed by the present invention, its raw material comprises by weight: 380 parts of ordinary Portland cement, 400 parts of pumice, 580 parts of coalgangue, 380 parts of medium sand, 7 parts of polypropylene fiber, 1 part of plant fiber 5 parts of basalt fiber, 9 parts of limestone powder, 20 parts of gold tailings powder, 8 parts of iron tailings powder, 3 parts of gypsum, 1 part of red mud, 8 parts of vitrified microbeads, 1 part of calcined diatomite, water 170 parts, 1 part of water reducing agent, 8 parts of rubber powder, 0.2 parts of modifier, 1 part of ethylene glycol, 0.2 parts of polysaccharide, 3 parts of early strength agent.
Embodiment 2
[0020] A kind of anti-crackingantifreeze concrete proposed by the present invention, its raw material comprises by weight: 220 parts of ordinary Portland cement, 550 parts of pumice, 380 parts of coalgangue, 550 parts of medium sand, 5 parts of polypropylene fiber, 3 parts of plant fiber 2 parts of basalt fiber, 20 parts of limestone powder, 8 parts of gold tailings powder, 18 parts of iron tailings powder, 1 part of gypsum, 5 parts of red mud, 2 parts of vitrified microbeads, 3 parts of calcined diatomite, water 150 parts, 2.8 parts of water reducing agent, 2 parts of rubber powder, 1.4 parts of modifier, 0.2 parts of ethylene glycol, 0.33 parts of polysaccharide, 2 parts of early strength agent.
Embodiment 3
[0022] A kind of anti-crackingantifreeze concrete proposed by the present invention, its raw material comprises by weight: 350 parts of ordinary Portland cement, 420 parts of pumice, 550 parts of coal gangue, 400 parts of medium sand, 6.5 parts of polypropylene fiber, 1.4 parts of plant fiber 4 parts of basalt fiber, 11 parts of limestone powder, 17 parts of gold tailings powder, 9 parts of iron tailings powder, 2.6 parts of gypsum, 2 parts of red mud, 7 parts of vitrified microbeads, 1.3 parts of calcined diatomite, water 165 parts, 1.3 parts of water reducing agent, 7 parts of rubber powder, 0.7 parts of modifier, 0.8 parts of ethylene glycol, 0.24 parts of polysaccharide, 2.2 parts of early strength agent;
[0023] Wherein, the average particle size of the medium sand is 0.3mm, and the bulk density is 1400kg / m 3 , the apparent density is 2000kg / m 3 ;
[0024] The plant fiber is jute fiber;
[0025] The specific surface area of the limestone powder is 650m 2 / kg;
[...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Property
Measurement
Unit
particle size
aaaaa
aaaaa
density
aaaaa
aaaaa
density
aaaaa
aaaaa
Login to View More
Abstract
The invention discloses a crack-resistant and frost-resistant concrete. The crack-resistant and frost-resistant concrete contains the following raw materials in parts by weight: 220-380 parts of ordinary portland cement, 400-550 parts of pumice stone, 380-580 parts of coalgangue, 380-550 parts of medium sand, 5-7 parts of polypropylenefiber, 1-3 of plantfiber, 2-5 parts of basaltfiber, 9-20 parts of limestone powder, 8-20 parts of gold tailingspowder, 8-18 parts of iron tailingspowder, 1-3 parts of gypsum, 1-5 parts of red mud, 2-8 parts of vitrified microsphere, 1-3 parts of calcined diatomite, 150-170 parts of water, 1-2.8 parts of water reducing agent, 2-8 parts of rubber powder, 0.2-1.4 parts of modifying agent, 0.2-1 part of ethylene glycol, 0.2-0.33 part of polysaccharide, and2-3 parts of early strength agent. The crack-resistant and frost-resistant concrete provided by the invention has high strength, good toughness, excellent crack-resistant and frost-resistant properties and long service life.
Description
technical field [0001] The invention relates to the technical field of concrete, in particular to a crack-resistant and frost-resistant concrete. Background technique [0002] Concrete is the largest construction material today, and high-performance concrete represents the development direction of concrete technology. In recent years, with the vigorous development of the domestic construction industry, the requirements for the strength and crack resistance of the concrete consumed in the construction process have been continuously improved. Cracks, the appearance and expansion of cracks will reduce the performance and shorten the life. Under low temperature conditions, the moisture in the concrete will freeze, and the volume increase after freezing will cause the surface of the building structure to peel off, which limits its application. . Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a cr...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More