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Preparation method of low-cost high-strength concrete pole base

A high-strength cement and low-cost technology, applied in the field of cement products, can solve problems such as high cost, long time required, and difficulty in ensuring strength, and achieve good strength effects

Inactive Publication Date: 2020-08-28
浙江永达电力实业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the fixed installations at the bottom of street light poles, utility poles and high-voltage wire towers are to dig a pit of different sizes under the ground according to the needs, and then pour reinforced concrete into the pit, and finally put the street lamp poles, utility poles and high-voltage wires into place. The tower is installed on the poured base, the fixed installation takes a long time, the cost is high, and the strength is not easy to guarantee

Method used

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  • Preparation method of low-cost high-strength concrete pole base
  • Preparation method of low-cost high-strength concrete pole base

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for preparing a low-cost high-strength cement rod seat, comprising the following steps:

[0025] A. After mixing the raw materials according to the formula, put them into the rotary mixer and stir evenly. The stirring time is 35 minutes;

[0026] B. Cast the uniformly stirred material into the mold, perform the first constant temperature curing at 65°C, and demould after 10 hours of curing; the base steel plate is installed in the mold; the base steel plate is equipped with There are fixing bolts for fixing the tower base;

[0027] C. Carry out the second constant temperature curing at 32°C, and after 20 hours of curing, the cement rod seat can be obtained.

[0028] In the step A, the material is composed of the following components by weight percentage: 52.5 Portland cement 15%, waste concrete block 55%, recycled refractory brick 15%, expansion agent 1.5%, water reducing agent 2.2% , strengthening additives 0.25% and water balance.

[0029] The particle siz...

Embodiment 2

[0040] A method for preparing a low-cost high-strength cement rod seat, comprising the following steps:

[0041] A. After mixing the raw materials according to the formula, put them into the rotary mixer and stir evenly, and the stirring time is 40min;

[0042] B. Cast the uniformly stirred material into the mold, perform the first constant temperature curing at 60°C, and demould after 12 hours of curing; the base steel plate is installed in the mold; the base steel plate is equipped with There are fixing bolts for fixing the tower base;

[0043] C. Carry out the second constant temperature curing at 30°C, and after 24 hours of curing, the cement rod seat can be obtained.

[0044] In the step A, the material is composed of the following components by weight percentage: 52.5 Portland cement 10%, waste concrete block 60%, recycled refractory brick 8%, expansion agent 3%, water reducing agent 2.5% , strengthening additives 0.2% and water balance.

[0045] The particle size of ...

Embodiment 3

[0056] A method for preparing a low-cost high-strength cement rod seat, comprising the following steps:

[0057] A. Mix the raw materials according to the formula and put them into the rotary mixer to stir evenly. The stirring time is 30min;

[0058] B. Cast the uniformly stirred material into the mold, perform the first constant temperature curing at 70°C, and demould after 8 hours of curing; the base steel plate is installed in the mold; the base steel plate is equipped with There are fixing bolts for fixing the tower base;

[0059] C. Carry out the second constant temperature curing at 35°C, and after 18 hours of curing, the cement rod seat can be obtained.

[0060] In the step A, the material is composed of the following components by weight percentage: 52.5 Portland cement 20%, waste concrete block 50%, recycled refractory brick 20%, expansion agent 1%, water reducing agent 1.5% , strengthening additives 0.3% and water balance.

[0061] The particle size of the waste c...

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Abstract

The invention discloses a preparation method of a low-cost high-strength concrete pole base. The preparation method comprises the following steps: mixing raw materials according to a formula, and putting the mixture into a rotary stirrer to be uniformly stirred for 30-40 minutes; pouring the uniformly stirred materials into a mold, carrying out primary constant-temperature curing at 60-70 DEG C, and demolding after 8-12 hours of curing; and carrying out secondary constant-temperature maintenance at 30-35 DEG C, and carrying out maintenance for 18-24 hours to obtain the concrete pole base. A small amount of Portland cement and a small amount of strengthening auxiliary agents are adopted, waste concrete blocks and recycled refractory bricks are adopted as main raw materials, very good strength can be achieved, the 3d compressive strength after maintenance at the normal temperature is improved to 80 MPa or above, and the 28d compressive strength is improved to 120 MPa or above.

Description

technical field [0001] The invention relates to the technical field of cement products, in particular to a method for preparing a low-cost high-strength cement rod seat. Background technique [0002] At present, most of the fixed installations at the bottom of street light poles, utility poles and high-voltage wire towers are to dig a pit of different sizes under the ground according to the needs, and then pour reinforced concrete into the pit, and finally put the street lamp poles, utility poles and high-voltage wires into place. The tower is installed on the cast base, and the fixed installation takes a long time, the cost is high, and the strength is not easy to guarantee. In order to reduce the cost and increase the strength of the cement rod seat, it is necessary to study a low-cost and high-strength cement rod seat preparation method. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention propo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B24/38B28B11/24
CPCC04B28/04C04B24/38B28B11/245C04B2201/52
Inventor 张发庆许继平张州
Owner 浙江永达电力实业股份有限公司
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