CMA biomass ash-doped phosphate cement for rescue and disaster relief

A technology of phosphate cement and biomass ash, applied in the direction of cement production, etc., can solve the problems such as cost reduction of modification of phosphate cement-based materials without CMA biomass ash, and achieve the effects of simple construction, cost reduction and obvious economic effect.

Inactive Publication Date: 2018-11-30
LOGISTICS UNIV OF CAPF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Judging from the status quo of phosphate modification research and cost reduction research at home and abroad, there are reports on the use of other industrial wastes to modify phosphate cement-based repair materials and reduce costs, but there are no reports on the use of CMA biomass ash for phosphate repair. Report on modification of cement-based materials and cost reduction

Method used

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  • CMA biomass ash-doped phosphate cement for rescue and disaster relief
  • CMA biomass ash-doped phosphate cement for rescue and disaster relief
  • CMA biomass ash-doped phosphate cement for rescue and disaster relief

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Phosphate cement for rescue and disaster relief mixed with CMA biomass ash, dead-burned magnesia, borax, NH in a weight ratio of 1:0.05:0.2:0.15:0.01 4 h 2 PO 4 、KH 2 PO 4 and CMA500 composition.

[0023] The test results and benchmark cement results are shown in Table 1. The benchmark cement is phosphate cement without CMA.

[0024] Table 1 Performance comparison between phosphate cement mixed with CMA500 and phosphate cement without CMA (reference cement)

[0025]

Embodiment 2

[0027] Phosphate cement for rescue and disaster relief mixed with CMA biomass ash, dead-burned magnesia, borax, NH in a weight ratio of 1:0.04:0.2:0.15:0.05 4 h 2 PO 4 、KH 2 PO 4 And CMA650 composition. The test results and benchmark phosphate cement results are shown in Table 2.

[0028] Table 2 The performance comparison between the phosphate cement mixed with CMA650 and the phosphate cement without CMA (reference cement)

[0029]

Embodiment 3

[0031] Phosphate cement for rescue and disaster relief mixed with CMA biomass ash, dead-burned magnesia, borax, NH in a weight ratio of 1:0.02:0.2:0.15:0.05:0.1 4 h 2 PO 4 、KH 2 PO 4 and CMA800 composition. The test results and benchmark phosphate cement results are shown in Table 3.

[0032] Table 2 Performance comparison between phosphate cement mixed with CMA800 and phosphate cement without CMA (reference cement)

[0033]

[0034] (1) Compared with phosphate cement without CMA (base phosphate cement), the protected phosphate cement has fast setting and rapid hardening performance, and the setting time can be controlled within ten minutes, which can fully meet the requirements of rapid repair projects Need; the strength can reach more than 35.8MPa in 3 hours; it is used in cracks and holes in airport runways, concrete roads with heavy traffic, etc. It has simple construction, excellent performance, cheap price and obvious advantages.

[0035] (2) Studies have shown ...

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Abstract

The invention discloses a CMA biomass ash-doped phosphate cement for rescue and disaster relief. The CMA biomass ash-doped phosphate cement for rescue and disaster relief comprises dead-burned magnesia, borax, NH4H2PO4, KH2PO4 and CMA according to a weight ratio 1:(0.02-0.0675):(0.15-0.2):(0.15-0.2):(0.01-0.1). A part of phosphate cement is replaced with industrial waste CMA biomass ash, so compared with reference phosphate cements, the CMA biomass ash-doped phosphate cement has the advantages of slightly reduced fluidity, control of the setting time to be 10 min or more, realization of the 1h strength reaching 14.7 MPa or above, realization of the 3 d strength reaching 35.8 MPa or above, cost reduction, obvious economic effect, and simplicity in construction.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to phosphate cement mixed with CMA biomass ash for disaster relief. Background technique [0002] Today, when natural disasters such as earthquakes and mudslides occur frequently, there are many factors affecting the delay of rescue speed. How to rush to the accident area faster and more quickly to carry out rescue is an important topic that needs in-depth research. Among them, rushing through the road and opening up the lifeline of emergency rescue and disaster relief is undoubtedly one of the key links to realize the delivery of rescue troops and the distribution of relief materials. Therefore, it is of great military and practical significance to carry out in-depth research on rapid repair materials with fast setting, rapid hardening and early strength properties, and it is also an urgent need for emergency rescue and disaster relief tasks in the new era. [0003] P...

Claims

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Application Information

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IPC IPC(8): C04B12/02C04B7/28C04B9/11
CPCC04B7/28C04B9/11C04B12/027Y02P40/10
Inventor 周述光冯鹏王浩回月彤申将江张双忠
Owner LOGISTICS UNIV OF CAPF
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