Do you know if there is any way to fix the concrete cracking in the cesspool?

If there is a concrete cracking problem in the sewage pool, it is necessary to repair it, and the permanent condensate DPS of Kolo can be repaired, which has a very good repair effect and is truly non-toxic and tasteless.

1. The surface repair method is used to treat surface cracks that have no impact on the bearing capacity, and can also be used for large-area fine crack leakage prevention;

2. Glue pouring method, when the concrete crack affects the integrity of the structure or it has certain requirements for anti-seepage, it can be repaired by glue potting. Because the pressure equipment is used to press the joint filling glue into the concrete cracks, the cementation hardens and forms a whole with the concrete to achieve the effect of reinforcement and plugging.

3. For ordinary concrete cracks, local repair methods are adopted, including filling method, prestressing method, partial chiseling and re-pouring of concrete, etc., so as to achieve the effect.

What should I do if there are cracks in the concrete floor of my home? After the cracks in the concrete pavement of the road occur, it is mainly repaired by the pavement unit in charge, and after the cracks occur in the concrete floor of the home, we usually need to solve it by ourselves. Ordinary people who are not professional pavement repairers have limited repair skills or even no repair experience.

In such cases, we need to take a simple and practical approach to repair. Is there an easy way to repair cracks in your home? If you want to repair the concrete floor at home, we must first buy concrete pavement crack repair material, and in order to repair the crack at one time and improve the durability of the working surface, we can not be blind when choosing materials, we must choose a material itself with high technical content, raw materials of concrete pavement repair material.

After purchasing concrete pavement repair material, we may also need to know the width of the crack, why should we know the width of the crack first? The main purpose is to determine the amount of material to be used and avoid mixing too much or too little material. There is a direct correlation between the width of the cracks used in the material.

After determining the width of the crack, the next thing we need to do is to clean the crack, at home, we can use tools such as hair dryers, brooms, brushes, etc., to clean the inside of the crack and the surface of the work to clean the stains, impurities, etc. Then rinse and soak the cracks and working surface with water. The main purpose of cleaning cracks is to make the later repair mortar better bonded to the cracks.

Avoid impurities and stains that affect the adhesion of the mortar. Stir the materials. For non-professional repairers, it is important to understand the amount of water added to the material before mixing it.

If you choose Henan Dunmei Road and Bridge, the water addition of the material should be controlled between 15% and 16%, in order to make the material have better flow and permeability, the water addition can be close to 16%. The next step is the grouting operation. After the concrete pavement repair material is stirred, we need to fill the repair mortar into the cracks, and the tools needed at this time are mainly putty, and the materials are poured into the cracks with tools until the cracks are filled, it is worth noting that the grouting time is controlled between 25-30 minutes, if the time is too long, the material may have begun to set at the beginning, and it is difficult to achieve the ideal repair effect.

After that, it's time for maintenance. The curing process is the process of gradual hardening of the material, and only after the material is completely hardened can the working surface be stepped on.

For the treatment of cracks, it must be based on the premise of correctly analyzing the nature of cracks. The determination of the nature of the crack should be based on careful and careful observation of the crack on site, and the length, width, depth, penetration, water leakage, crack development, and foundation condition should be studied, so as to draw the final correct conclusion. For dry shrinkage cracks, micro-cracks, etc., which do not affect the safety of the structure, general sealing treatment can be carried out, and epoxy resin glue sealing or filling, chemical glue filling treatment; For cracks that affect the safety and bearing capacity of the structure, it is necessary to take structural reinforcement measures, such as pasting steel plate reinforcement, special methods to increase the size of the beam structure, etc.

Although the current construction level is constantly improving, the construction level of many sites is still in the primitive stage, and some workers and masters are still stuck in the stage of self-mixing, which is far from enough.

Generally large-area concrete pouring, many maintenance means are still treated like pouring general small-area buildings, large-area pouring concrete, must do "dry a piece, maintain a piece", and can not be poured all and then turn back to the first pouring part to maintain. In particular, the hot and dry weather is more serious, the back has not been poured, the front has cracked, and there are many permeable cracks in the later stage.

The hydration reaction of cement concrete will release a lot of heat, especially the tricalcium aluminate in the cement composition, the hydration reaction speed is the fastest, and the heat of hydration will be very high, but it contributes a lot to the early strength;

followed by tricalcium silicate and tetracalcium ferroaluminate; Therefore, in the cement concrete dam of the Three Gorges Dam project, there are high requirements for the content of tricalcium aluminate in cement selection, which should be less, and more calcium dicalcium silicate should be used to reduce the peak of hydration heat.

Cracks in concrete are inevitable, and their microscopic cracks are determined by their physical and mechanical properties, but their harmful degree can be controlled, and the standard of harmful degree is determined according to the conditions of use. At present, the regulations are not exactly the same in all countries of the world, but they are roughly the same. For example, from the requirements of structural durability, bearing capacity and normal use, the most stringent allowable crack width is.

In recent years, many countries have broadened it to a large number of trials and experiences with pumping concrete. When the environment of the structure is normal, the thickness of the protective layer meets the design requirements, there is no erosion medium, and the crack width of reinforced concrete can be relaxed to; in moisture and soil; In seawater and alternating wet and dry. Cracks along the reinforcement are highly harmful and must be treated.

In recent years, the application range of prestressed concrete has gradually been extended to more structural fields, such as long-span, ultra-thick and ultra-statically determined frame structures, and its concrete strength grade must be increased to C50. Under the pumping conditions, the shrinkage and heat of hydration are greatly increased, and the restraint stress crack is difficult to avoid, and the crack is cracked before tensioning and not closed after tensioning, and the difficulty of crack control is more difficult. The allowable width of the crack table of the prestressed structure is strict, and the corrosion of the prestressed tendon is "stress corrosion" and may be brittle fracture, with less predictability and fast crack propagation.

The relationship between crack depth h and structural thickness h is as follows: h surface cracks; Penetrating and deep cracks should be avoided as much as possible, and chemical grouting treatment should be taken to ensure the strength of such cracks, that is, the tensile strength of the through joint must exceed the tensile strength of concrete.

Early cracks generally appear within one month, mid-stage cracks are about b months, and the next 1v2 years or more belong to late cracks.

Cracks in concrete pools should be implemented according to the characteristics of pool cracks with reference to the following opinions.

1. For the cracks with a large number of cracks, the crack width is not large and most of the cracks are not penetrated, the waterproof cement mortar can be added on the surface of the water, and the five-layer waterproof method with better effect is especially suitable for the condition that the water head is not high. This is a treatment method with good results and convenient construction.

2. For wide and seepage cracks, plugging measures should be taken. The principle is to change the large leak to a small leak, the line leak to a point leak, and the piece leak to an empty leak, so that the leakage is concentrated at one or several points, and finally blocked. The commonly used plugging material is coagulant mortar, that is, an appropriate amount of coagulant is added to cement slurry or cement mortar (at present, the commonly used coagulant is mainly water glass, and a certain proportion of copper sulfate and potassium dichromate are added).

For the plugging of leaks without strength requirements, it can also be treated with coagulation materials such as cyanide slurry and propylene slurry.

3. Chemical grouting method. It can be prepared by using epoxy resin slurry, mainly epoxy resin, adding curing agent, thinner, coagulant, etc. This material has the characteristics of high strength and strong adhesion, but under wet conditions, the use effect is poor.

Methyl slurry can be used to form methyl methacrylate (main agent) and other additives. The viscosity of the slurry is lower than that of water, the fluidity is very good, the cracks can be poured very fine, and the bond strength is high, and the compressive and tensile strength of the aggregate exceeds the strength of general concrete. It is suitable for the repair of fine cracks in concrete.

4. Cyanide slurry can also be used, and chemical grouting materials based on polyurethane can also be used. According to the day of grouting , change the cyanide coagulation with different additives and formulas to obtain slurries with different properties.

The main treatment methods for seepage water on the wall of concrete pool (tank) are: silica water brushing method, waterproof mortar plastering method, "902" treatment method and chlorine bias copolymer emulsion treatment method.

1. Silicate water brushing method.

If the water seepage of the pool (tank) is not very serious, but there are wet marks on the outside of the pool (tank) wall, it can be treated by silica water brushing. When processing, the pool water is cleaned first, brush off the floating ash and dirt on the surface of the pool wall, clean the base layer, and then paint the pool wall with silica water

Water = 1:7 (weight ratio).

Second, waterproof mortar plastering method.

If there is a large area of leakage in the pool (tank), and the leakage is serious, the waterproof mortar plastering method can be used to deal with it. Before treatment, drain the water in the pool water, chisel out the pool wall, and then rinse the floating ash and dust, and apply a layer of 2 3mm thick cement slurry while wet

Silica water = 1:0 5, after the initial setting, then wipe a layer of 5 6mm thick bottom waterproof mortar, the mix ratio is: cement:

Sand:silica = 1:2 5:

o 5, after the initial setting of the waterproof mortar at the bottom layer, then wipe a layer of cement slurry with a thickness of 2 3mm The mix ratio is: cement: silica water = 1:

o 5, after the initial setting, wipe 6 7mm thick surface layer waterproof mortar, the mix ratio is: cement: sand:

Silicate water = 1:2 5:o 5.

After the final setting, watering and curing for 14 days.

3. "902" treatment.

The base layer without obvious water seepage can be treated by brushing. That is, after the base layer is cleaned first, in the "902''The quick-acting plugging agent is mixed with water O 4 0 55, stirred into a paste, and evenly brushed on the base layer with a brush or a hair roller. The second time can be coated after the water meter is dry, 3kg of material per square meter, and a stirring should be used up within 0 5.

If there is obvious water leakage, it can be treated by wiping and pressing. Before treatment, the base layer is cleaned, and the water of o 3 0 4 is mixed into the "902" quick-acting plugging agent, and then the paste is evenly and sequentially smeared on the surface of the pool wall with a mortar knife and rubber scraper, and attention is paid to the tight joint. Each layer is 3 ram thick, and the second layer is wiped after the first layer is dry, and the material per square meter is 5 8kg.

It is necessary to consider the depth of the pool and the material of the structure.

If it is all through-seams, the scheme needs to be carefully considered.

You add some materials, and I will give you a reference.

Should be slotted with inorganic materials to deal with, different materials together, want to have a long-term may be difficult, more information, better advice, free concrete waterproof leakage repair technical advice, free repair today, tomorrow leakage, repair every year, every year leakage troubles.

It's OK to put a layer of waterproof mortar as long as it's not a through seam.

To analyze it specifically, the temperature cracks will be grouting and plugged, and the cracks in the structure will be reinforced.