A kind of anti-seepage concrete and preparation method thereof

A technology of impervious concrete and temperature control, which is applied in the direction of chemical instruments and methods, layered products of hydraulic substances, layered products, etc. Rigid waterproofing of the roof and other issues, to achieve the effect of prolonging the life, prolonging the service life, and better impermeability

Inactive Publication Date: 2020-10-09
HUANGHUAI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the impermeability of concrete is affected by many factors, and each factor needs to be within a reasonable range to obtain concrete with good impermeability. Too much or too little may have adverse effects. For example, although pozzolan cement is resistant It has good permeability, but its frost resistance and heat resistance are poor, and its shrinkage size changes greatly, so it is not suitable for rigid waterproofing of roofs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] An anti-seepage concrete, comprising a cement mortar layer and a waterproof layer, and the waterproof layer is laid on the upper layer of the cement mortar layer;

[0031] The composition of the cement mortar layer is in parts by mass: 230 parts of cement, 803 parts of gravel, 1022 parts of medium sand, 46 parts of fly ash, 130 parts of water, and 0.46 part of standard mortar masterbatch;

[0032]The composition of the waterproof layer is in parts by mass: 0.6 parts of wood calcium superplasticizer, 1.7 parts of calcium chloride, 1.2 parts of sodium nitrite, 0.1 part of triethanolamine, 24 parts of calcium oxide-calcium sulfoaluminate, 1.2 parts of molasses, 0.7 parts of silica fume, 335 parts of cement, 1245 parts of gravel, 656 parts of river sand, 40 parts of fly ash, and 150 parts of water.

Embodiment 2

[0034] An anti-seepage concrete, comprising a cement mortar layer, a waterproof layer and a waterproof reinforcement layer, and the waterproof layer is laid between the cement mortar layer and the waterproof reinforcement layer;

[0035] The composition of the cement mortar layer is in parts by mass: 275 parts of cement, 830 parts of gravel, 1090 parts of medium sand, 42 parts of fly ash, 140 parts of water, 0.8 part of standard mortar master batch;

[0036] The composition of the waterproof layer is in parts by mass: 1 part of wood calcium water reducer, 3.3 parts of calcium chloride, 1.2-3.1 parts of sodium nitrite, 0.2 part of triethanolamine, 27 parts of calcium oxide-calcium sulfoaluminate, 2.5 parts Molasses, 1.1 parts of silica fume, 340 parts of cement, 1265 parts of gravel, 681 parts of river sand, 47 parts of fly ash, 162 parts of water.

[0037] The composition of the waterproof reinforcement layer is as follows in parts by mass: 220 parts of fly ash, 210 parts of f...

Embodiment 3

[0039] An anti-seepage concrete, comprising a cement mortar layer, a waterproof layer and a waterproof reinforcement layer, and the waterproof layer is laid between the cement mortar layer and the waterproof reinforcement layer;

[0040] The composition of the cement mortar layer is in parts by mass: 255 parts of cement, 812 parts of gravel, 1056 parts of medium sand, 44 parts of fly ash, 135 parts of water, and 1.1 parts of standard mortar masterbatch;

[0041] The composition of the waterproof layer is in parts by mass: 0.7 parts of wood calcium water reducer, 2.3 parts of calcium chloride, 19 parts of sodium nitrite, 0.2 parts of triethanolamine, 25 parts of calcium oxide-calcium sulfoaluminate, 1.8 parts of molasses, 0.8 parts of silica fume, 336 parts of cement, 1255 parts of gravel, 676 parts of river sand, 46 parts of fly ash, and 152 parts of water.

[0042] The composition of the waterproof reinforcement layer is in parts by mass: 53 parts of fly ash, 40 parts of fluo...

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PUM

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Abstract

The invention relates to impermeable concrete and a preparation method thereof. The impermeable concrete comprises a cement mortar layer at a bottom layer and a waterproof layer at an upper layer, wherein a waterproof base layer is firstly paved and then the waterproof layer is paved within 1-2h after the cement mortar layer is poured. The impermeable concrete has the beneficial effects that (1) the impermeable concrete comprises the cement mortar layer and the waterproof layer, so that the concrete has good waterproof effect, cohesiveness and miscibility and high strength and is suitable for use in a low-temperature environment through controlling a water cement ratio, controlling the stirring temperature and adding an assistant and other conditions; (2) a waterproof reinforcing layer is further crack-resistant and impermeable, so that the anti-permeability effect is better and the service life is prolonged; and (3) the preparation material of concrete is easily available and low in cost.

Description

technical field [0001] The invention relates to an anti-seepage concrete and a preparation method thereof, belonging to the technical field of building material preparation. Background technique [0002] With the rapid development of cities, construction projects, bridge projects, water conservancy projects, etc. have increased. Most of the construction projects include concrete projects with anti-seepage requirements, and there are certain requirements for anti-seepage effects. However, there is a lot of water and humidity in the ground or water bodies, so waterproofing is very important. And once a leak occurs, it will cost a lot of money to repair it, and it will not achieve a good effect. Therefore, when choosing concrete at the beginning, you should choose concrete with good anti-seepage effect. The impermeability of concrete directly affects the resistance of concrete. Freeze and corrosion resistance. Building impervious concrete is developed on the basis of ordinary...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B28/14B32B13/04B32B37/02C04B111/27
CPCB32B13/04B32B37/02B32B2307/7265C04B28/00C04B28/142C04B2111/00612C04B2111/27C04B14/02C04B14/06C04B18/08C04B24/18C04B22/124C04B22/085C04B24/122C04B22/142C04B22/06C04B24/001C04B14/068C04B18/145C04B7/00C04B2103/302C04B2103/0068
Inventor 李勇冯森李三运李书山李宝张新华韩国峰王永刚牛风云马亮武磊
Owner HUANGHUAI UNIV
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