What sand is breathable and impermeable, and why is sand and soil impermeable

There are a lot of voids in the sand at present, it is not breathable and impermeable, the sand you said needs to be developed, but there are many waterproof materials, and the current waterproof materials are mainly divided into two categories: 1. Flexible waterproof materials, such as: a kind of material membrane, JS composite materials, polyurethane waterproof materials, waterproof glue and other emulsion polymer waterproof materials.

These materials mainly wrap the base surface and do not allow water to seep out and penetrate, and these materials have a certain elongation and tensile ability. The only drawback is that these materials have a certain waterproof life, that is, waterproof life. These materials are widely used in roofing, toilets, expansion joints, downspouts, masonry and other substrates.

2. Gangsheng waterproof material: as the name suggests, it has high strength, but it lacks elongation and tensile ability, but the waterproof life is the same as concrete after construction, such as: water leakage, cement-based permeable crystallization, permeable waterproofing agent, permanent condensate and so on.

They are the use of the porosity of the concrete structure through the capillary phenomenon, the use of hydrophilicity to water as the carrier to penetrate into the concrete, chemical reaction, the formation of crystals, plugging the capillary pores to achieve waterproof effect, increase the strength of concrete, these materials are widely used in basements, toilets, sewage pools, pools, can also be directly used in drinking water pools and so on. Therefore, now buildings with high waterproof requirements will be designed with a combination of rigidity and flexibility! The base surface that needs to have a certain elongation is suitable for membranes, such as roofing, new construction platforms, etc., and Wanren waterproofing.

Sand impregnated with PTFE is breathable and impermeable.

It's a polymer material, and it's smaller than water, but it's 700 times larger than air, and it's also a non-stick material, and it's the kind of stuff that you use in nonstick pans.

Too little sand: The sand and soil are impermeable, mainly because the content of sand is too small, and the mixture is uneven. Soil clay weight:

If you use soil that is too sticky, the sand will easily stick, which will make the soil less permeable. Improper soil mixing: only two substances, sand and soil, can not play a good breathability and drainage effect.

1. Too little sand

The sand and soil are impermeable, mainly because the content of sand is too small, because the amount of soil is more, less sand is mixed in when mixing the soil, there will be uneven mixing, and the gap between the soil can not be increased.

2. Soil clay weight

When using sand to mix soil, it is necessary to use loose, good structural properties and strong air permeability soil, and not to use too much clay soil, otherwise the sand is easy to stick, resulting in poor soil permeability, and even hardening.

3. Improper soil distribution

When mixing soil, only use sand, soil two kinds of substances, can not play a good breathability, drainage effect, in order to make the plant grow robustly, should also be added to the granular soil, vermiculite, etc., to increase the gap of soil.

4. Precautions

When mixing soil at home, in addition to mixing various substances in a certain proportion, after mixing, it is necessary to disinfect and sterilize the substrate, which can be mixed with carbendazim powder, or spread out in the sun to eliminate bacteria.

The reasons why sand and soil are impervious are as follows:According to the information displayed by the query fortune agriculture network, the reasons for the impervious sand and soil are as follows:

1. Too little sand: The sand brigade is impermeable to the soil, mainly because the content of sand is too small, and the mixture is uneven.

2. Soil clay weight: the use of soil with too much cohesiveness makes the sand easy to stick, resulting in poor soil permeability.

3. Improper soil mixing: only using sand and soil to dismantle the rock to know the two substances, which can not play a good breathable and drainage effect.

What kind of sand is good, what to do without.

What kind of sand is good, how to do it without pro! Hello, I am happy to answer for you<> dear sand is as follows: the sand used in construction is generally the best local oak! The second is stone crushing sand, sea sand is generally not good, it needs to be treated with fresh water, that is, washed sand!

1.Put the sand back in your hand, at this time you will have some remaining sand on your hands, shake off the sand on your hands vigorously, look at some of the remaining sand particles on your hands, as long as the sand remains on your hands, if you see soil, then these sands can not be used, too high soil content will affect the cohesiveness of cement, and the hardness will also be weakened. 2.

Generally, only the cement surface leveling will use fine sand, and we use medium sand for laying tiles at home, and it is good to wash sand, which is called river sand in the south. 3.Sand is mainly divided into natural sand and machine-made sand, natural sand is divided into river sand, sea sand, and mountain sand according to different **, in these three kinds of natural sand, river sand is also suitable for construction projects.

The river sand and gravel are moderate, contain little soil impurities, and are relatively clean, but contain high moisture and must be dried. Due to its high salt content, sea sand is prone to corrosion of steel bars and other building materials, so it must be desalination, so as to increase the cost of sand and not be cost-effective. Mountain sand has high soil content and many impurities.

The machine-made sand next to the tung core is made of stone, which has low strength and high stone powder content, so that the quality of the river sand is highlighted by the comparison. Hope mine can help you <>

Do you have any other questions?

Breathable and impervious sand I have here, it is a kind of sand treated by high-tech materials can be breathable and impermeable, and the breathable and impervious sand can be used for afforestation in arid areas, planting flowers and plants, greenhouse greenhouses, water storage, fish farming, seepage prevention, leakage prevention, water conservation, improve the survival rate of seedlings, and be used for sewage discharge, seepage, leakage, pollution and so on.