KesadaPrice of advanced small conduitPrinciple and solution of product problems

The inner core of the grouting pipe is rigid, which can ensure that it will not be crushed under the concrete pressure. The non-woven filter cloth layer outside the framework only allows water and grouting fluid to pass through, and other materials such as cement slurry in concrete are blocked outside the grouting pipe to fully ensure the smooth use of the whole section of the grouting pipe.

Weight per linear meter = (outer diameter - wall thickness) * wall thickness * 0.0246615 where the outer diameter refers to the outer circumferential diameter of the grouting pipe; The wall thickness is the difference between the outer diameter and the inner diameter; The above content is the calculation method of the specification and weight of the grouting pipe introduced. I hope it will be helpful to you in the future.

Kesada.However, not all grouting pipe products can achieve this effect. Some inferior grouting pipe products not only fail to achieve the expected effect in use, but also have problems such as low grouting efficiency, pipe burst and pipe bending, which seriously affect the grouting effect of the grouting pipe and the progress of the whole project. The quality of grouting effect comes from the selection of high-quality grouting pipe products. Shengpeng grouting pipe is a good choice for you to choose grouting pipe products because of its high strength, simple connection and high cost performance! Grouting pipe the grouting pipe is a kind of geosynthetic material formed by ultrasonic welding, which is composed of a steel plastic composite reinforced belt (built-in high-strength carbon spring steel wire (stress material) and wrapped with polyethylene resin (protective material) and arranged at right angles to the plane longitude and latitude. It is a comprehensive product of existing rigid reinforcement (flat steel strip, ribbed steel strip, galvanized steel strip, stainless steel strip, reinforced concrete strip, etc.) and flexible reinforcement (polypropylene strip, plastic grouting pipe, warp knitted grouting pipe, etc.). Because of its high tensile strength, low elongation (≤ 3%), and strong interlocking and occlusive effect on the soil, it can effectively treat the soft soil foundation, restrict the lateral displacement of the soil, overcome the uneven settlement of the soil, greatly enhance the bearing capacity of the foundation and improve the overall performance of the foundation; It can be widely used in road engineering,KesadaLeading small conduit manufacturer, railway engineering, retaining structure, dam engineering,Kesadamanufacturer of composite anchor rod, water conservancy engineering and tunnel engineering; It has remarkable safeguard effect and good social and economic benefits against rutting and pavement cracking.

[claim] A fast cutting device in a hole of a underground grouting pipe, which is characterized in that the fast cutting device in the hole mainly consists of a fixed cutting device , a tension blade device and a cutting rotating device . The tension blade device is sleeved in the cutting rotating device and screw threads are respectively set on the outer surface of the cutting rotating device and the upper end of the tension blade device , The tension blade device and the cutting rotating device are connected by threads. The tension blade nut is arranged at one end of the tension blade device protruding from the cutting rotating device. The fixed cutting device is mainly composed of a cutting blade and a pulley . The cutting blade and the pulley are respectively connected to both sides of the cutting rotating device through slots. Flange plates (I) and bearings are arranged on the outer surface of the cutting rotating device , The fast cutting device in the hole is installed in the grouting pipe hole through a flange plate, and the fixed cutting device is connected with the flange plate through bolts.

.2 the polymer grouting materials of the machine are mainly applied to acrylamide, polyurethane, lignin,KesadaAdvance small conduit in tunnel construction, epoxy resin, unsaturated ester, etc. Generally, when the sand particle size is ≤ 0.5 mm or the rock crack opening is ≤ 0.2 mm and the groundwater flow rate is > 500 mm / min, the use of organic polymer chemical grouting materials can solve the engineering problems that cannot be solved by ordinary cement slurry [5].

The grouting pipe has good flexibility. When the pipe is produced, it can be coiled so that the number of joints in the pipe network can be reduced. It can be laid according to the terrain, easily bypass obstacles, and is convenient for construction.

The grout stop plug grouting method is generally used for Rock Fissure Grouting. The grouting pipe is provided with a grout stop plug, which can close the upper part of the grouting section. The main construction steps are as follows: the rotary drill is generally used for drilling the grouting hole. All grouting holes in the rock stratum are required to be cored for drilling, so as to find out the development and distribution of fractures in the rock stratum. The coring rate should reach 80-90% in hard rock stratum and 70% in broken rock stratum. The drilling cleaning fluid is mainly clean water. If the rock is broken and the hole collapses seriously, the mud slurry can also be used as the circulating fluid.

After the sodium hydroxide solution is poured in the calcium chloride solution is poured in, which is called the two liquid method. Alkali solution method has the advantages of simple construction equipment, low reinforcement cost, and elimination of collapsibility of loess.

The length can be matched according to the construction requirements, without loss.

Grouting pipe is a kind of embedded grouting pipe system, which is used for permanent sealing of construction joints, cold joints, pipe seepage joints and gaps between ground walls in concrete. It is very suitable to install grouting pipes between the joints of new and old concrete. When water penetrates into the joint, it can be sealed by injecting slurry into the PVC port set on the surface. The proper grouting time can be selected after the concrete curing. Leakage joints can also be permanently sealed in this way.

Good quality. Select appropriate transmission voltage and amplifier gain and keep them unchanged during retest.

However, its setting time is not stable enough, the controllable range is small, the strength of the condensate is low, and the stability is poor. It is mainly used in temporary or semi permanent projects [4].

Process flow: the drilling machine is in place → drilling → mud injection → casing running → continuing drilling → slag removal → hole cleaning → lifting and placing the reinforcement cage → bottom cleaning by water injection → inserting the concrete conduit → pouring concrete → pulling out the conduit → inserting the pile top reinforcement. There are single liquid silicification, double liquid silicification, aerated silicification and electric double liquid silicification.

[0008] further, the cutting rotating device rotates the cutting blade and pulley through a socket wrench to cut the casing wall.

Total quality assurance.When there are no special requirements in the design, the non prestressed members shall not be less than 50% of the designed standard value of concrete cube compressive strength, and the prestressed members shall not be less than 75% of the designed standard value of concrete cube compressive strength.

The wellhead clamp head is connected to the lower clamp head of the drive head. Some driving of grouting pipe.

[background technology] [0002] at present, some coal mines across the country use the grouting technology of coal seam floor aquifer to control water disasters, and have achieved obvious results. However, the grouting pipe after grouting exceeds the exposed part of the roadway floor and has different lengths. Most mines adopt mechanized coal mining technology, and hydraulic support and scraper conveyor need flat floor. At present, the mine still uses a hacksaw to manually cut the underground grouting pipes. It needs to clear some of the grouting pipes exposed from the roadway floor, which is time-consuming, each person cuts I grouting pipes every 2 hours.

Kesada.Grouting pipe is a tubular waterproof sealing material used for grouting of concrete construction joints.

The installation will not affect the characteristics of the building grouting pipe itself; The installation or grouting process will not harm the concrete; Permanent sealing can be ensured after grouting; If there is no leakage, grouting is not allowed; Ccll-y series grouting pipe: grouting once, not reusable ccll-d series grouting pipe: multiple times of grouting, tunnel and basement. If there is water leakage, grout can be injected into the pipe body to fill and seal. It is very suitable to install grouting pipes between the joints of new and old concrete. Various materials such as cement slurry, polymer slurry and polyurethane chemical slurry can be injected. When water penetrates into the joint the joint can be sealed by injecting slurry into the PVC port or spring skeleton port set on the surface. The proper grouting time can be selected after the concrete curing. Leakage joints can also be permanently sealed in this way.

Cement water glass slurry overcomes the shortcomings of single liquid cement slurry, difficult control and low stone rate, improves the effect of cement grouting and expands the scope of application of cement grouting [1].