Device and method for real-time testing of volume deformation of cement-based composite materials after hardening

A composite material and volume deformation technology, which is applied in the direction of mechanical solid deformation measurement, etc., to achieve good expansion deformation, wide application range, and easy operation

Active Publication Date: 2016-07-06
湖南鸿昇科技发展有限责任公司
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a real-time testing device and method for volume deformation of cement-based composite materials after hardening, so as to solve technical problems

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Device and method for real-time testing of volume deformation of cement-based composite materials after hardening
  • Device and method for real-time testing of volume deformation of cement-based composite materials after hardening
  • Device and method for real-time testing of volume deformation of cement-based composite materials after hardening

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] Measurement of Volume Deformation of Fly Ash-Slag-Cement Mortar Specimen

[0081] 1) First assemble the test device according to the following steps:

[0082] The circular inner mold 6, the test probe 3, the base backing plate 7, and the contact surfaces of the base and the outer mold 4 formed by splicing four arc-shaped inner molds are evenly brushed with a thin layer of engine oil, and then embedded in the base backing plate 7 , rotate the T-shaped rotary rod 2 and the bolt connecting rod 10 to clamp the circular inner mold 6 on the round edge of the base plate 7, and fit it tightly, and then pass through the reserved hole on the inner mold in a 90° arc Install the position measuring joint 3 at the splicing part of the internal mold, and the test device is assembled. Among them, the height of the inner mold is 30mm, and the inner diameter is 200mm.

[0083] 2) Form the cement-based composite material specimen in the circular inner mold according to the following raw...

Embodiment 2

[0096] Measurement of Volume Deformation of Wet Fly Ash-Desulfurized Gypsum-Cement Mortar Specimens

[0097] 1) First assemble the test device according to the following steps:

[0098] The circular inner mold 6, the test probe 3, the base backing plate 7, and the contact surfaces of the base and the outer mold 4 formed by splicing four arc-shaped inner molds are evenly brushed with a thin layer of engine oil, and then embedded in the base backing plate 7 , rotate the T-shaped rotary rod 2 and the bolt connecting rod 10 to clamp the circular inner mold 6 on the round edge of the base plate 7, and fit it tightly, and then pass through the reserved hole on the inner mold in a 90° arc Install the position measuring joint 3 at the splicing part of the internal mold, and the test device is assembled. Among them, the height of the inner mold is 25mm, and the inner diameter is 250mm.

[0099] 2) Form the cement-based composite material specimen in the circular inner mold according ...

Embodiment 3

[0111] Measurement of volume deformation of mineral powder-desulfurized gypsum-cement mortar specimen

[0112]1) First assemble the test device according to the following steps:

[0113] The circular inner mold 6, the test probe 3, the base backing plate 7, and the contact surfaces of the base and the outer mold 4 formed by splicing four arc-shaped inner molds are evenly brushed with a thin layer of engine oil, and then embedded in the base backing plate 7 , rotate the T-shaped rotary rod 2 and the bolt connecting rod 10 to clamp the circular inner mold 6 on the round edge of the base plate 7, and fit it tightly, and then pass through the reserved hole on the inner mold in a 90° arc Install the position measuring joint 3 at the splicing part of the internal mold, and the test device is assembled. Among them, the height of the inner mold is 20mm, and the inner diameter is 300mm.

[0114] 2) Form the cement-based composite material specimen in the circular inner mold according...

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

No PUM Login to view more

Abstract

The invention provides a real-time testing device and a real-time testing method of size deformation after cement based composite materials hardening. The real-time testing device and the real-time testing method of the size deformation after the cement based composite materials hardening comprise a measurement component, a detachable component and a fixing component, wherein the fixing component comprises a base and an outer die. The outer die is arranged at an edge of the base and is perpendicular to the base. The detachable component comprises a round inner die which is perpendicular to the base, and the diameter of the round inner die is 0.5-0.8 times as long as the width of the outer die. The measurement component comprises a dial indicator and a test probe, and the dial indicator penetrates through holes formed in the outer die and the round inner die. The test probe is pre-embedded in a test piece, and the position of the test probe corresponds to the dial indicator. Through a round inner forming test piece, wherein the diameter of the round inner forming test piece is far larger than the height of the round inner forming test piece, the test piece is enabled to freely set, harden and deform in the outer die with the diameter larger than that of the inner die, radial deformation quantity of the test piece after preheating is continuously tested by the adoption of the dial indicator, and under the premise that the test piece is not moved, and the deformation of the test piece cannot be restrained by containers around, the testing device can effectively, continuously and accurately test shrinkage and deformation of the cement based composite material after hardening.

Description

technical field [0001] The invention relates to the technical field of building material testing, in particular to a real-time testing device and method for volume deformation of cement-based composite materials after hardening. Background technique [0002] At present, the preparation and testing technology of cement and concrete is constantly leaping forward, and the composition of cement-based materials is becoming more and more complex and diversified. The working performance of concrete is mainly improved by the incorporation of inorganic mineral admixtures, admixtures and different types of organic materials. , durability and strength to form cement-based composite materials; this material system will become one of the important trends in the development of civil engineering materials in the future. In particular, fly ash with good activity effect, morphological effect, and micro-aggregate effect, emulsified asphalt with outstanding rheological properties, and gypsum w...

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
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/30
Inventor 高英力唐斌璨张海伦龙杰高煜
Owner 湖南鸿昇科技发展有限责任公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap