Steel slag sand-straw ash co-doped mortar and preparation method thereof
A technology of straw ash and steel slag sand is applied in the field of thermal insulation mortar, which can solve the problems of strong random uncertainty, excessive time-consuming, volume expansion, etc., and achieves the effect of good utilization prospect and cost saving.
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Embodiment 1
[0032] The steel slag sand-straw ash composite mortar in this implementation includes the following raw materials in parts by weight: 5 parts of cement; 35 parts of river sand; 60 parts of steel slag sand; 10 parts of straw ash; 20 parts of fiber;
[0033] In order to understand the specific chemical composition and content of the steel slag sand, the present embodiment has carried out component testing to the steel slag sand, and the results are as follows:
[0034] The composition detection result of steel slag sand described in table 1
[0035] Element
SiO 2
Al 2 o 3
CaO
FeO
MgO
S
content(%)
9.76
2.29
37.25
7.23
7.67
0.11
Element
MnO
P 2 o 5
M.Fe
f—CaO
T.Fe
——
content(%)
3.18
0.95
0.28
3.95
24.11
——
[0036] Wherein, the particle size of the steel slag sand is 4.75mm, and the apparent density is 3629Kg / m 3 , the fineness modulus is 3.6, and the mud...
Embodiment 2
[0053] The steel slag sand-straw ash composite mortar in this implementation includes the following raw materials in parts by weight: 30 parts of cement; 20 parts of river sand; 40 parts of steel slag sand; 1 part of straw ash; 1 part of fiber; 0 part of mortar admixture.
[0054] The preparation method of the steel slag sand-straw ash composite mortar is as follows: take cement, river sand, steel slag sand, straw ash, and fiber in parts by weight, and mix them evenly to obtain the product.
Embodiment 3
[0056] The steel slag sand-straw ash mixed mortar in this implementation includes the following raw materials in parts by weight: 17 parts of cement; 50 parts of river sand; 20 parts of steel slag sand; 20 parts of straw ash; 10 parts of fiber;
[0057] The preparation method of the steel slag sand-straw ash mixed mortar is as follows: take cement, river sand, steel slag sand, straw ash, fiber, and mortar admixture in parts by weight, and mix them evenly.
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